.page-contact {
  background:
    radial-gradient(900px 520px at 88% -8%, rgba(75, 224, 198, 0.09), transparent 62%),
    radial-gradient(720px 460px at 4% 12%, rgba(200, 255, 74, 0.07), transparent 60%),
    var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: 104px;
  overflow-x: hidden;
}

.page-contact .container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--paper);
  margin: 0;
}

.page-contact h1 {
  font-size: clamp(30px, 6.4vw, 58px);
  margin-top: 14px;
}

.page-contact h2 {
  font-size: clamp(23px, 3.6vw, 36px);
  margin-top: 10px;
}

.page-contact h3 {
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.3;
}

.page-contact p {
  margin: 0;
  line-height: 1.75;
}

.page-contact .text-cyan {
  color: var(--cyan);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  padding-top: clamp(22px, 4vw, 40px);
  padding-bottom: clamp(38px, 6vw, 72px);
}

.page-contact .c-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .c-hero-lead {
  margin-top: 18px;
  max-width: 52ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
}

.page-contact .c-hero-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
  max-width: 520px;
}

.page-contact .c-hero-facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 11px 14px;
  background: rgba(16, 28, 24, 0.72);
  font-size: 13px;
}

.page-contact .c-fact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--line);
  color: var(--cyan);
  min-width: 34px;
}

.page-contact .c-fact-val {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  word-break: break-word;
}

/* 联系信息卡 */
.page-contact .c-card-info {
  background: linear-gradient(158deg, var(--panel) 0%, #0a1210 100%);
  border: 1px solid var(--line-soft);
  box-shadow: 0 22px 60px -34px rgba(0, 0, 0, 0.9);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  position: relative;
}

.page-contact .c-card-info::after {
  content: "CONTACT";
  position: absolute;
  top: 14px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.34em;
  color: rgba(242, 245, 238, 0.42);
}

.page-contact .c-card-info-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-bottom: 1px solid var(--line-faint);
  background:
    repeating-linear-gradient(0deg, var(--line-faint) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, var(--line-faint) 0 1px, transparent 1px 34px),
    #0d1714;
}

.page-contact .c-card-info-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .c-card-info-body {
  padding: clamp(20px, 3vw, 28px);
}

.page-contact .c-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-contact .c-mail {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 20px);
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(75, 224, 198, 0.4);
  word-break: break-all;
}

.page-contact .c-mail:hover,
.page-contact .c-mail:focus-visible {
  border-bottom-color: var(--lime);
  color: var(--lime);
}

.page-contact .c-card-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13.5px;
}

.page-contact .c-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .btn-sig {
  background: var(--lime);
  color: #0b0f0d;
  clip-path: polygon(0 0, 100% 0, 100% 68%, calc(100% - 12px) 100%, 0 100%);
  font-weight: 700;
}

.page-contact .btn-sig:hover,
.page-contact .btn-sig:focus-visible {
  background: var(--lime-dim);
  transform: translateY(-1px);
}

.page-contact .btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-soft);
}

.page-contact .btn-ghost:hover,
.page-contact .btn-ghost:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .btn-line {
  background: transparent;
  color: var(--lime);
  border-color: rgba(200, 255, 74, 0.55);
}

.page-contact .btn-line:hover,
.page-contact .btn-line:focus-visible {
  background: rgba(200, 255, 74, 0.1);
}

/* ---------- 通用区块 ---------- */
.page-contact .c-section {
  padding-block: clamp(34px, 5vw, 62px);
  border-top: 1px solid var(--line-faint);
}

.page-contact .c-section--tight {
  padding-block: clamp(24px, 3.4vw, 40px);
}

.page-contact .section-head {
  max-width: 66ch;
}

.page-contact .c-section-lead {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14.5px;
}

.page-contact .mono-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .mono-tag--lime { color: var(--lime); }
.page-contact .mono-tag--cyan { color: var(--cyan); }
.page-contact .mono-tag--orange { color: var(--orange); }

/* ---------- 通道卡 ---------- */
.page-contact .c-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .c-channel {
  position: relative;
  display: block;
  padding: 22px 22px 20px;
  background: rgba(16, 28, 24, 0.66);
  border: 1px solid var(--line-faint);
  border-left: 3px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-contact .c-channel:hover,
.page-contact .c-channel:focus-visible {
  border-left-color: var(--lime);
  background: rgba(23, 62, 51, 0.42);
  transform: translateY(-2px);
}

.page-contact .c-channel--accent {
  border-left-color: var(--orange);
}

.page-contact .c-channel--accent:hover,
.page-contact .c-channel--accent:focus-visible {
  border-left-color: var(--orange);
  background: rgba(255, 122, 47, 0.08);
}

.page-contact .c-channel-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-contact .c-channel h3 {
  margin-top: 10px;
}

.page-contact .c-channel p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13.5px;
}

.page-contact .c-channel-go {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

/* ---------- 邮件区块 ---------- */
.page-contact .c-section--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .c-body {
  margin-top: 16px;
  color: var(--muted);
  font-size: 14.5px;
}

.page-contact .c-body--muted {
  font-size: 13.5px;
}

.page-contact .c-big-mail {
  display: block;
  margin-top: 22px;
  padding: 18px 20px;
  background: rgba(75, 224, 198, 0.07);
  border: 1px solid rgba(75, 224, 198, 0.34);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.2vw, 18px);
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .c-big-mail:hover,
.page-contact .c-big-mail:focus-visible {
  background: rgba(75, 224, 198, 0.14);
  border-color: var(--cyan);
}

.page-contact .c-big-mail-hint {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .c-list-title {
  font-size: 15px;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0;
  color: var(--lime);
}

.page-contact .c-prep {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-contact .c-prep li {
  display: flex;
  gap: 14px;
  padding: 15px 16px;
  background: rgba(11, 15, 13, 0.86);
}

.page-contact .c-prep-num {
  flex: none;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  background: var(--lime);
}

.page-contact .c-prep strong {
  display: block;
  font-size: 14px;
  color: var(--paper);
}

.page-contact .c-prep p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

/* ---------- 电话与地址 ---------- */
.page-contact .c-section--phone {
  background: linear-gradient(180deg, rgba(23, 62, 51, 0.34), transparent 78%);
}

.page-contact .c-phone-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  margin-top: 26px;
}

.page-contact .c-phone-media {
  position: relative;
  border: 1px solid var(--line-soft);
  background:
    repeating-linear-gradient(0deg, var(--line-faint) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, var(--line-faint) 0 1px, transparent 1px 40px),
    #0c1512;
  padding: 10px 10px 0;
}

.page-contact .c-phone-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .media-caption {
  padding: 10px 4px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .c-phone-info {
  display: grid;
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
  align-content: start;
}

.page-contact .c-info-block {
  padding: 20px 20px 22px;
  background: rgba(16, 28, 24, 0.92);
}

.page-contact .c-info-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-contact .c-info-value {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 3vw, 26px);
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .c-info-value--num {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  font-weight: 700;
}

.page-contact a.c-info-value:hover,
.page-contact a.c-info-value:focus-visible {
  color: var(--lime);
}

.page-contact .c-info-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.page-contact .c-details {
  background: rgba(11, 15, 13, 0.92);
  border-top: 1px solid var(--line-faint);
}

.page-contact .c-details summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.page-contact .c-details summary::before {
  content: "+";
  font-size: 14px;
  color: var(--lime);
}

.page-contact .c-details[open] summary::before {
  content: "−";
}

.page-contact .c-details:hover summary,
.page-contact .c-details summary:focus-visible {
  color: var(--lime);
}

.page-contact .c-details-body {
  padding: 0 20px 20px;
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

/* ---------- 赛前十分钟 ---------- */
.page-contact .c-lineup {
  position: relative;
  padding: clamp(22px, 3.6vw, 38px);
  background:
    linear-gradient(120deg, rgba(255, 122, 47, 0.14), transparent 58%),
    var(--panel);
  border: 1px solid rgba(255, 122, 47, 0.34);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-contact .c-lineup-lead {
  margin-top: 16px;
  max-width: 62ch;
  color: var(--muted);
  font-size: 14px;
}

.page-contact .c-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .c-steps li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-faint);
}

.page-contact .c-step-num {
  flex: none;
  width: 62px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
  padding-top: 2px;
}

.page-contact .c-steps strong {
  display: block;
  font-size: 14px;
  color: var(--paper);
}

.page-contact .c-steps p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.page-contact .c-lineup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 合作主题 ---------- */
.page-contact .c-topics {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .c-topics li {
  padding: 18px;
  background: rgba(16, 28, 24, 0.6);
  border: 1px solid var(--line-faint);
  border-top: 2px solid var(--zone);
}

.page-contact .c-topic-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--lime);
  border: 1px solid rgba(200, 255, 74, 0.32);
  padding: 4px 9px;
}

.page-contact .c-topics p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.page-contact .c-coop-mail {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(75, 224, 198, 0.4);
  word-break: break-all;
  padding-bottom: 3px;
}

.page-contact .c-coop-mail:hover,
.page-contact .c-coop-mail:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 到访提示 ---------- */
.page-contact .c-visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--zone);
  border-left: 4px solid var(--lime);
}

.page-contact .c-visit h2 {
  font-size: clamp(19px, 2.6vw, 26px);
  margin-top: 0;
}

.page-contact .c-visit p {
  margin-top: 12px;
  color: #cfdcd4;
  font-size: 13.5px;
}

.page-contact .c-visit .btn {
  justify-self: start;
  align-self: center;
  border-color: rgba(242, 245, 238, 0.5);
}

/* ---------- 快捷链接 ---------- */
.page-contact .c-more-links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-contact .c-more-links a {
  display: block;
  padding: 16px 18px;
  background: rgba(11, 15, 13, 0.9);
  text-decoration: none;
  transition: background 0.2s var(--ease);
}

.page-contact .c-more-links a:hover,
.page-contact .c-more-links a:focus-visible {
  background: rgba(23, 62, 51, 0.5);
}

.page-contact .c-more-links span {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .c-more-links em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 底部快捷条 ---------- */
.page-contact .c-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  background: rgba(16, 28, 24, 0.97);
  border-top: 1px solid var(--line-soft);
  box-shadow: 0 -18px 40px -30px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(8px);
}

.page-contact .c-dock-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  align-items: center;
  padding-block: 10px;
}

.page-contact .c-dock-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .c-dock-mail {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .c-dock-mail:hover,
.page-contact .c-dock-mail:focus-visible {
  color: var(--lime);
}

.page-contact .c-dock-actions {
  display: flex;
  gap: 8px;
}

.page-contact .c-dock-actions .btn {
  padding: 8px 14px;
  font-size: 11.5px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .c-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .c-chip-grid,
  .page-contact .c-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .c-more-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .c-dock-inner {
    grid-template-columns: auto 1fr auto;
    gap: 18px;
  }

  .page-contact .c-dock-mail {
    text-align: left;
  }
}

@media (min-width: 900px) {
  .page-contact .c-hero-grid {
    grid-template-columns: 1.02fr 0.98fr;
    align-items: start;
  }

  .page-contact .c-card-info {
    margin-top: 8px;
  }

  .page-contact .c-section--split {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-contact .c-phone-grid {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: start;
  }

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

  .page-contact .c-visit {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .page-contact .c-card-info::after {
    display: none;
  }

  .page-contact .c-step-num {
    width: 52px;
    font-size: 10px;
  }

  .page-contact .c-dock-actions .btn {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .btn,
  .page-contact .c-channel {
    transition: none;
  }

  .page-contact .c-channel:hover,
  .page-contact .btn-sig:hover {
    transform: none;
  }
}