/* ============ 联系我们 · 6688体育·中国站 ============ */
.page-contact {
  --cc-radius: 18px;
  --cc-hairline: rgba(39, 70, 103, .85);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 34px 0 8px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  top: -140px;
  height: 460px;
  background:
    radial-gradient(58% 100% at 78% 0%, rgba(255, 106, 26, .18), transparent 68%),
    radial-gradient(52% 92% at 10% 6%, rgba(77, 216, 230, .12), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero > .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 38px;
  margin-top: 22px;
}

.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 74px);
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--white);
}

.page-contact .contact-hero__title::after {
  content: "";
  display: block;
  width: 76px;
  height: 4px;
  margin-top: 16px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--orange), var(--lime));
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--body-text);
}

/* 大字联系方式 */
.page-contact .contact-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 30px;
  border: var(--edge);
  border-radius: var(--cc-radius);
  overflow: hidden;
  background: var(--line);
}

.page-contact .channel {
  position: relative;
  padding: 22px 20px 20px;
  background: linear-gradient(165deg, rgba(15, 39, 70, .96) 0%, rgba(8, 26, 48, .98) 100%);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--orange);
}

.page-contact .channel--phone::before {
  background: var(--cyan);
}

.page-contact .channel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .channel__value {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(14px, 4.1vw, 26px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .channel__note {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .contact-hero__media {
  margin: 30px 0 0;
}

/* 主题索引 */
.page-contact .topic-index {
  position: relative;
  padding: 24px 20px 18px;
  border: var(--edge);
  border-radius: var(--cc-radius);
  background: linear-gradient(180deg, rgba(15, 39, 70, .74), rgba(8, 26, 48, .88));
  box-shadow: var(--shadow-1);
}

.page-contact .topic-index__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .topic-index__desc {
  margin: 8px 0 16px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .topic-index .accordion__trigger {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  text-align: left;
}

.page-contact .topic-index__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-contact .topic-index__name {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-contact .accordion__panel p {
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--body-text);
}

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

.page-contact .topic-index__link {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 216, 230, .38);
  padding-bottom: 1px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .topic-index__link:hover,
.page-contact .topic-index__link:focus-visible {
  color: var(--orange-soft);
  border-bottom-color: rgba(255, 164, 92, .6);
}

/* ---------- 渠道分工 ---------- */
.page-contact .channel-cards {
  margin-top: 34px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  padding: 26px 24px 22px;
  border-top: 2px solid var(--orange);
}

.page-contact .channel-card--phone {
  border-top-color: var(--cyan);
}

.page-contact .channel-card__tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  padding: 3px 10px;
  border-radius: 999px;
  color: var(--orange);
  border: 1px solid rgba(255, 106, 26, .42);
}

.page-contact .channel-card--phone .channel-card__tag {
  color: var(--cyan);
  border-color: rgba(77, 216, 230, .42);
}

.page-contact .channel-card .card__title {
  margin: 16px 0 0;
  font-size: 21px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .channel-card__addr {
  margin: 8px 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.4vw, 19px);
  font-weight: 600;
  letter-spacing: -.005em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .channel-card p {
  font-size: 14px;
  line-height: 1.82;
  color: var(--body-text);
}

.page-contact .channel-card__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-text);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-contact .channel-card--phone .channel-card__list li::before {
  background: var(--cyan);
}

.page-contact .channel-card .card__meta {
  margin-top: auto;
  padding-top: 18px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 地址 ---------- */
.page-contact .address-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-contact .address-line {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(16px, 4.2vw, 23px);
  line-height: 1.5;
  letter-spacing: -.005em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .address-note {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-contact .address-grid__map {
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-contact .map-figure {
  width: min(100%, 380px);
  height: auto;
  filter: drop-shadow(0 18px 42px rgba(2, 8, 18, .6));
}

/* ---------- 赛事数据反馈 ---------- */
.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 34px;
}

.page-contact .feedback-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .feedback-step {
  position: relative;
  padding: 20px 0 20px 54px;
  border-top: 1px solid var(--line);
}

.page-contact .feedback-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .feedback-step__num {
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-contact .feedback-step__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .feedback-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--body-text);
}

.page-contact .feedback-figure {
  margin: 0;
}

/* ---------- 合作沟通 ---------- */
.page-contact .coop-band__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 32px 24px;
  border: 1px solid rgba(255, 106, 26, .28);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(70% 120% at 92% 0%, rgba(255, 106, 26, .16), transparent 62%),
    linear-gradient(150deg, rgba(15, 39, 70, .92), rgba(8, 26, 48, .96));
  overflow: hidden;
}

.page-contact .coop-band__inner::after {
  content: "";
  position: absolute;
  right: -72px;
  bottom: -72px;
  width: 224px;
  height: 224px;
  border-radius: 50%;
  border: 1px solid rgba(184, 255, 77, .16);
  pointer-events: none;
}

.page-contact .coop-band__text {
  position: relative;
  z-index: 1;
}

.page-contact .coop-band__text .section__title {
  margin-bottom: 14px;
}

.page-contact .coop-band__text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-contact .coop-band__action {
  position: relative;
  z-index: 1;
  align-self: center;
}

.page-contact .coop-band__hint {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--body-text);
}

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

@media (min-width: 880px) {
  .page-contact .coop-band__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: center;
    gap: 44px;
    padding: 44px 46px;
  }
}

@media (min-width: 940px) {
  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 60px;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-hero {
    padding-top: 44px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-channels {
    margin-top: 34px;
  }
}

@media (max-width: 480px) {
  .page-contact .channel {
    padding: 18px 16px 16px;
  }

  .page-contact .coop-band__inner {
    padding: 26px 18px;
  }

  .page-contact .feedback-step {
    padding-left: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topic-index__link {
    transition: none;
  }
}