/* ===================== 联系渠道页专属样式 ===================== */
.page-contact {
  background:
    radial-gradient(900px 380px at 85% -20%, rgba(0, 229, 255, 0.15), transparent 65%),
    var(--bg-deep);
  color: var(--text);
}

/* ---------- 首屏联系总览 ---------- */
.page-contact__hero {
  position: relative;
  padding: 28px 0 48px;
}

.page-contact__hero::before {
  content: "";
  display: block;
  height: 6px;
  background: linear-gradient(90deg, var(--cyan) 0 34%, var(--orange) 34% 68%, var(--lime) 68% 100%);
}

.page-contact__hero .breadcrumb {
  margin: 34px 0 30px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-contact__hero .breadcrumb__link {
  color: var(--cyan);
  text-decoration: none;
  transition: color .2s var(--ease), text-decoration-color .2s var(--ease);
}

.page-contact__hero .breadcrumb__link:hover {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact__hero .breadcrumb__item::before {
  content: "/";
  margin: 0 10px 0 2px;
  color: var(--text-faint);
}

.page-contact__hero-grid {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.page-contact__hero-copy .eyebrow {
  color: var(--cyan);
  margin-bottom: 14px;
}

.page-contact__hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-style: italic;
  margin: 0 0 16px;
  line-height: 1.12;
  letter-spacing: 0.02em;
}

.page-contact__title-dot {
  color: var(--orange);
}

.page-contact__lead {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.75;
  max-width: 58ch;
  margin: 0 0 28px;
}

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

.page-contact__channel {
  position: relative;
  display: block;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--cyan);
  padding: 18px 20px 16px;
  text-decoration: none;
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}

.page-contact__channel:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hard-cyan);
  background: var(--bg-raised);
  border-left-color: var(--lime);
}

.page-contact__channel--warm {
  border-left-color: var(--orange);
}

.page-contact__channel--warm:hover {
  box-shadow: var(--shadow-hard-orange);
  border-left-color: var(--lime);
}

.page-contact__channel--phone {
  border-left-color: var(--mustard);
}

.page-contact__channel--phone:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hard);
  background: var(--bg-raised);
}

.page-contact__channel-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.page-contact__channel-value {
  display: inline-block;
  position: relative;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
  line-height: 1.4;
}

.page-contact__channel-value::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}

.page-contact__channel:hover .page-contact__channel-value::after {
  transform: scaleX(1);
  background: var(--lime);
}

.page-contact__channel--phone .page-contact__channel-value {
  font-size: 2rem;
  letter-spacing: 0.06em;
  color: var(--mustard);
}

.page-contact__channel--phone .page-contact__channel-value::after {
  display: none;
}

.page-contact__channel-note {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.55;
}

/* 首屏视觉 */
.page-contact__hero-visual {
  position: relative;
  min-width: 0;
}

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

.page-contact__visual-frame .media-frame__slot {
  padding: 12px;
}

.page-contact__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact__visual-frame .media-frame__caption {
  padding: 12px 16px;
  border-top: 2px solid var(--line);
  color: var(--text-dim);
  font-size: 13px;
}

.page-contact__visual-stamp {
  position: absolute;
  top: -14px;
  right: 14px;
  padding: 8px 14px;
  background: var(--orange);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  transform: rotate(2deg);
  box-shadow: var(--shadow-hard);
  text-transform: uppercase;
}

/* ---------- 赛事咨询 ---------- */
.page-contact__support {
  padding: 56px 0;
}

.page-contact__section-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 28px;
}

.page-contact__section-index {
  font-family: var(--font-display);
  font-size: 4.2rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
  white-space: nowrap;
  user-select: none;
  transform: translateY(-4px);
}

.page-contact__section-index--right {
  -webkit-text-stroke: 1px var(--orange);
}

.page-contact__section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 6px;
}

.page-contact__section-head .eyebrow {
  color: var(--cyan);
  margin-bottom: 4px;
}

.page-contact__section-head h2::after {
  content: "";
  display: block;
  width: 54px;
  height: 4px;
  background: var(--orange);
  margin-top: 10px;
}

.page-contact__support-grid {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.page-contact__support-intro {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.75;
}

.page-contact__support-intro p:first-child {
  margin-top: 0;
}

.page-contact__support-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
}

.page-contact__action-note {
  font-size: 14px;
  color: var(--text-dim);
}

.page-contact__support-panel {
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--bg-panel);
}

.page-contact__list-title {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 18px;
}

.page-contact__topic-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-contact__topic-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-dim);
}

.page-contact__topic-list li:last-child {
  border-bottom: 0;
}

.page-contact__topic-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 13px;
  font-size: 10px;
  color: var(--cyan);
}

/* ---------- 合作事宜 ---------- */
.page-contact__partnership {
  padding: 56px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(700px 320px at 18% 100%, rgba(255, 107, 0, 0.12), transparent 60%),
    var(--bg-panel);
}

.page-contact__partnership-grid {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.page-contact__partner-visual {
  margin: 0;
  border: 2px solid var(--line-strong);
  background: var(--bg-raised);
  box-shadow: var(--shadow-hard);
}

.page-contact__partner-visual .media-frame__slot {
  padding: 12px;
}

.page-contact__partner-visual .media-frame__caption {
  padding: 12px 16px;
  border-top: 2px solid var(--line);
  color: var(--text-dim);
  font-size: 13px;
}

.page-contact__partnership-copy .eyebrow {
  color: var(--orange);
  margin-bottom: 4px;
}

.page-contact__partnership-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 6px;
}

.page-contact__partnership-copy h2::after {
  content: "";
  display: block;
  width: 54px;
  height: 4px;
  background: var(--orange);
  margin-top: 10px;
}

.page-contact__partnership-lead {
  color: var(--text-dim);
  line-height: 1.75;
  font-size: 16px;
  margin: 24px 0 0;
}

.page-contact__partnership-box {
  margin: 28px 0;
  padding: 24px;
  border: 2px dashed var(--line-strong);
  background: rgba(255, 107, 0, 0.08);
}

.page-contact__partner-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}

.page-contact__partner-mail {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: border-color .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
  word-break: break-all;
}

.page-contact__partner-mail:hover {
  border-bottom-color: var(--orange);
  color: var(--text);
  transform: translateY(-2px);
}

.page-contact__partner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 位置与备案 ---------- */
.page-contact__location {
  padding: 56px 0 80px;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 34px 34px;
  background-position: center;
}

.page-contact__location-grid {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.page-contact__location-panel {
  padding: 30px;
  border: 2px solid var(--line-strong);
  background: rgba(15, 21, 32, 0.9);
  backdrop-filter: blur(2px);
}

.page-contact__location-panel .eyebrow {
  color: var(--lime);
  margin-bottom: 4px;
}

.page-contact__location-panel h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.6rem);
  line-height: 1.1;
  margin: 0 0 20px;
}

.page-contact__location-panel h2::after {
  content: "";
  display: block;
  width: 54px;
  height: 4px;
  background: var(--lime);
  margin-top: 10px;
}

.page-contact__location-list {
  margin: 0;
}

.page-contact__location-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact__location-item dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.page-contact__location-item dd {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-contact__location-note {
  margin: 20px 0 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact__links {
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  padding: 26px;
}

.page-contact__links-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}

.page-contact__links-list li {
  border-bottom: 1px solid var(--line);
}

.page-contact__links-list a {
  display: block;
  padding: 12px 6px;
  color: var(--text-dim);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color .2s var(--ease), border-left-color .2s var(--ease), padding-left .2s var(--ease), background .2s var(--ease);
}

.page-contact__links-list a:hover {
  color: var(--text);
  border-left-color: var(--cyan);
  padding-left: 14px;
  background: rgba(0, 229, 255, 0.06);
}

.page-contact__links-note {
  font-size: 13px;
  color: var(--text-faint);
  line-height: 1.65;
  margin: 18px 0 0;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 768px) {
  .page-contact__hero {
    padding: 40px 0 64px;
  }

  .page-contact__hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
  }

  .page-contact__support {
    padding: 72px 0;
  }

  .page-contact__section-head {
    gap: 20px;
    margin-bottom: 40px;
  }

  .page-contact__support-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: stretch;
  }

  .page-contact__partnership {
    padding: 72px 0;
  }

  .page-contact__partnership-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: center;
  }

  .page-contact__location {
    padding: 72px 0 96px;
  }

  .page-contact__location-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: stretch;
  }
}

@media (min-width: 1080px) {
  .page-contact__hero {
    padding: 56px 0 88px;
  }

  .page-contact__channels {
    gap: 16px;
  }
}