.page-contact {
  --ct-line: rgba(232, 242, 236, 0.15);
  --ct-solid: #0A2A22;
  --ct-solid-2: #0E342A;
  --ct-text: rgba(232, 242, 236, 0.82);
  --ct-text-dim: rgba(232, 242, 236, 0.68);
  color: var(--mist);
}

.page-contact .ct-crumb-wrap {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-contact .ct-kicker {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-kicker--clay {
  color: var(--clay);
  opacity: 0.95;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-intro {
  padding: clamp(36px, 5vw, 72px) 0 clamp(28px, 4vw, 56px);
}

.page-contact .ct-intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}

.page-contact .ct-intro-main {
  min-width: 0;
}

.page-contact .ct-h1 {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .ct-h1::after {
  content: "";
  display: block;
  width: clamp(56px, 13vw, 112px);
  height: 5px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
  transform: skewX(-16deg);
}

.page-contact .ct-lede {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: clamp(15px, 1.7vw, 17.5px);
  line-height: 1.85;
  color: var(--ct-text);
}

.page-contact .ct-note {
  margin: 0;
  max-width: 56ch;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .ct-intro-media {
  margin: 0;
}

.page-contact .ct-intro-media img,
.page-contact .ct-yunnan-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--r-sm);
}

/* ---------- 通用小节头 ---------- */

.page-contact .ct-head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 3.6vw, 44px);
}

.page-contact .ct-h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .ct-sub {
  margin: 0;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.85;
  color: var(--ct-text-dim);
}

/* ---------- 渠道卡片 ---------- */

.page-contact .ct-channels {
  padding: clamp(24px, 3.6vw, 56px) 0 clamp(40px, 6vw, 88px);
}

.page-contact .ct-chan-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .ct-chan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ct-solid);
  border: 1px solid var(--ct-line);
  border-radius: var(--r);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-chan::before {
  content: "";
  position: absolute;
  top: clamp(20px, 2.6vw, 30px);
  bottom: clamp(20px, 2.6vw, 30px);
  left: -1px;
  width: 3px;
  background: var(--ct-accent, var(--lime));
  border-radius: 0 2px 2px 0;
}

.page-contact .ct-chan--mail { --ct-accent: var(--lime); }
.page-contact .ct-chan--phone { --ct-accent: var(--cyan); }
.page-contact .ct-chan--addr { --ct-accent: var(--orange); }

.page-contact .ct-chan:hover {
  transform: translateY(-2px);
  border-color: var(--ct-accent, var(--lime));
  background: var(--ct-solid-2);
}

.page-contact .ct-chan-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .ct-chan-idx {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(232, 242, 236, 0.26);
}

.page-contact .ct-chan-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.28;
  color: var(--mist);
}

.page-contact .ct-chan-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ct-text-dim);
}

.page-contact .ct-chan-val {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding: 12px 14px;
  background: var(--glass);
  border: 1px solid var(--ct-line);
  border-radius: var(--r-sm);
  min-width: 0;
}

.page-contact .ct-chan-code {
  flex: 1 1 170px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--lime);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-chan--phone .ct-chan-code {
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .ct-chan--addr .ct-chan-code {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-chan-meta {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 斜切色带：用途分流 ---------- */

.page-contact .ct-usage {
  position: relative;
  padding: clamp(60px, 8vw, 104px) 0;
  background: var(--stand);
  clip-path: polygon(0 30px, 100% 0, 100% calc(100% - 30px), 0 100%);
}

.page-contact .ct-usage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 34px);
}

.page-contact .ct-usage-item {
  padding-top: 18px;
  border-top: 1px solid rgba(232, 242, 236, 0.16);
}

.page-contact .ct-usage-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16.5px, 1.9vw, 19.5px);
  line-height: 1.35;
  color: var(--lime);
}

.page-contact .ct-usage-item:nth-child(2) h3 { color: var(--cyan); }
.page-contact .ct-usage-item:nth-child(3) h3 { color: var(--orange); }
.page-contact .ct-usage-item:nth-child(4) h3 { color: var(--mist); }

.page-contact .ct-usage-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ct-text-dim);
}

.page-contact .ct-band-note {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-2);
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 折叠：标题模板 ---------- */

.page-contact .ct-correct {
  padding: clamp(56px, 7vw, 100px) 0 clamp(30px, 4vw, 56px);
}

.page-contact .ct-correct-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .ct-disc {
  min-width: 0;
  background: var(--glass);
  border: 1px solid var(--ct-line);
  border-radius: var(--r);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-disc:hover {
  border-color: rgba(53, 242, 192, 0.4);
}

.page-contact .disclosure-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px clamp(16px, 2.2vw, 24px);
  background: transparent;
  border: 0;
  color: var(--mist);
  font: inherit;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.page-contact .disclosure-trigger:hover {
  background: var(--glass-2);
}

.page-contact .ct-disc-idx {
  flex: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-contact .ct-disc-label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .disclosure-trigger::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-contact .disclosure-trigger[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.page-contact .disclosure-panel {
  padding: 0 clamp(16px, 2.2vw, 24px) 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ct-text);
  border-top: 1px solid var(--ct-line);
  padding-top: 16px;
}

.page-contact .disclosure-panel p {
  margin: 0 0 10px;
}

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

.page-contact .ct-code-inline {
  display: inline-block;
  margin: 2px 0;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--lime);
  background: rgba(199, 255, 74, 0.08);
  border: 1px solid rgba(199, 255, 74, 0.24);
  border-radius: 4px;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-disc-tip {
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 云南线下提示 ---------- */

.page-contact .ct-yunnan {
  padding: clamp(40px, 6vw, 80px) 0;
}

.page-contact .ct-yunnan-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

.page-contact .ct-yunnan-text {
  min-width: 0;
  padding: clamp(20px, 3vw, 32px);
  background: var(--glass);
  border: 1px solid var(--ct-line);
  border-left: 4px solid var(--clay);
  border-radius: var(--r);
}

.page-contact .ct-yunnan-text .ct-sub {
  font-size: 14.5px;
}

.page-contact .ct-yunnan-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-yunnan-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ct-text-dim);
}

.page-contact .ct-yunnan-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clay);
  opacity: 0.85;
}

.page-contact .ct-yunnan-media {
  margin: 0;
}

/* ---------- 备案与站点信息 ---------- */

.page-contact .ct-site {
  padding: clamp(40px, 6vw, 88px) 0;
}

.page-contact .ct-facts {
  margin: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-fact dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .ct-fact dd {
  margin: 0;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-text);
  overflow-wrap: anywhere;
}

.page-contact .ct-icp {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--ct-line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.05em;
  color: rgba(127, 154, 143, 0.8);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-icp:hover,
.page-contact .ct-icp:focus-visible {
  color: var(--mist);
  border-color: rgba(232, 242, 236, 0.34);
  background: var(--glass);
}

/* ---------- 底部双向入口 ---------- */

.page-contact .ct-outro {
  padding: clamp(30px, 4vw, 56px) 0 clamp(80px, 10vw, 132px);
}

.page-contact .ct-outro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 1.8vw, 18px);
}

.page-contact .ct-jump {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--glass);
  border: 1px solid var(--ct-line);
  border-radius: var(--r);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-jump:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
  background: rgba(199, 255, 74, 0.06);
}

.page-contact .ct-jump-idx {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .ct-jump-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--mist);
}

.page-contact .ct-jump-desc {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 焦点反馈 ---------- */

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact [tabindex]:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .ct-usage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(22px, 3vw, 34px) clamp(24px, 4vw, 48px);
  }

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

  .page-contact .ct-fact {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-intro-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .ct-yunnan-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

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

@media (min-width: 1040px) {
  .page-contact .ct-chan-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-chan--addr {
    transform: translateY(clamp(6px, 1vw, 14px));
  }

  .page-contact .ct-chan--addr:hover {
    transform: translateY(calc(clamp(6px, 1vw, 14px) - 2px));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-chan,
  .page-contact .ct-jump,
  .page-contact .disclosure-trigger::after,
  .page-contact .ct-icp {
    transition: none;
  }

  .page-contact .ct-chan:hover,
  .page-contact .ct-jump:hover {
    transform: none;
  }
}