/* ============================================================
   page-contact — 联系通道
   ============================================================ */
.page-contact {
  --ct-line: rgba(199, 210, 228, 0.18);
  --ct-line-soft: rgba(199, 210, 228, 0.10);
  --ct-surface: rgba(199, 210, 228, 0.05);

  position: relative;
  isolation: isolate;
  background: var(--c-deep);
  color: var(--c-silver);
  padding: clamp(28px, 5vw, 64px) 0 clamp(56px, 9vw, 112px);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(56% 40% at 6% 2%, var(--glow-b), transparent 68%),
    radial-gradient(50% 44% at 97% 8%, var(--glow-a), transparent 70%);
}

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

.page-contact .figure__frame {
  overflow: hidden;
  border-radius: var(--radius-m);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-gray);
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-contact .breadcrumb a {
  color: var(--c-gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-contact .breadcrumb__sep {
  color: rgba(134, 152, 178, 0.6);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
  padding-bottom: clamp(32px, 4.5vw, 64px);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-hero__main .tag {
  display: inline-block;
  margin-bottom: 18px;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(31px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--c-paper);
  margin: 0 0 20px;
  max-width: 15em;
}

.page-contact .ct-hero__lead {
  margin: 0 0 clamp(24px, 3vw, 34px);
  max-width: 44em;
  font-size: clamp(15px, 1.5vw, 17.5px);
  line-height: 1.8;
  color: var(--c-silver);
}

/* ---------- 联系信息牌 ---------- */
.page-contact .ct-board {
  margin: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-board__row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-board__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-gray);
}

.page-contact .ct-board__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-paper);
  word-break: break-word;
}

.page-contact .ct-board__val--hot {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.3vw, 24px);
  letter-spacing: -0.01em;
  color: var(--c-orange);
}

.page-contact .ct-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--c-gray);
}

/* ---------- 首屏侧栏 ---------- */
.page-contact .ct-hero__side {
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}

.page-contact .ct-hero__side .ct-note {
  margin: 0;
}

.page-contact .ct-nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-nodes__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 15px;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-pill);
  background: var(--ct-surface);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-silver);
}

.page-contact .ct-nodes__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(61, 217, 192, 0.16);
}

.page-contact .ct-nodes__item--live {
  border-color: rgba(255, 107, 44, 0.42);
}

.page-contact .ct-nodes__item--live .ct-nodes__dot {
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 44, 0.16);
}

/* ---------- 行内链接 ---------- */
.page-contact .ct-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 217, 192, 0.4);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

/* ---------- 章节 ---------- */
.page-contact .section {
  padding: clamp(38px, 5.5vw, 76px) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .section__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 3.2vw, 42px);
}

.page-contact .section__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-orange);
}

.page-contact .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.3vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-contact .section__lead {
  margin: 0;
  max-width: 52em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-gray);
}

/* ---------- 安装步骤 ---------- */
.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-contact .ct-steps > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 24px);
  align-items: start;
  padding-bottom: clamp(18px, 2.6vw, 30px);
  border-bottom: 1px dashed var(--ct-line-soft);
}

.page-contact .ct-steps > li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-contact .ct-steps__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-orange);
  padding-top: 5px;
  min-width: 2.4em;
}

.page-contact .ct-steps__body {
  display: grid;
  gap: 8px;
}

.page-contact .ct-steps__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-contact .ct-steps__text {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-silver);
}

/* ---------- 折叠面板 ---------- */
.page-contact .ct-fold {
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-m);
  background: var(--ct-surface);
  overflow: hidden;
}

.page-contact .ct-fold summary {
  cursor: pointer;
  list-style: none;
  padding: 16px clamp(16px, 2.4vw, 24px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

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

.page-contact .ct-fold summary::after {
  content: "+";
  float: right;
  font-size: 15px;
  color: var(--c-orange);
}

.page-contact .ct-fold[open] summary::after {
  content: "−";
}

.page-contact .ct-fold__body {
  padding: 16px clamp(16px, 2.4vw, 24px) clamp(18px, 2.4vw, 24px);
  border-top: 1px solid var(--ct-line-soft);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: 5.6em minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-contact .ct-checklist__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-contact .ct-checklist__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-silver);
}

/* ---------- 招商三卡 ---------- */
.page-contact .ct-cards {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .ct-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-m);
  background: linear-gradient(158deg, rgba(199, 210, 228, 0.075), rgba(11, 27, 51, 0.28));
}

.page-contact .ct-card__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--c-orange);
}

.page-contact .ct-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-contact .ct-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-silver);
}

/* ---------- 招商图文 ---------- */
.page-contact .ct-partner {
  display: grid;
  gap: clamp(20px, 2.8vw, 34px);
  margin-top: clamp(26px, 3.6vw, 44px);
  align-items: center;
}

.page-contact .ct-partner__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-silver);
}

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

/* ---------- 保修表 ---------- */
.page-contact .ct-warranty {
  display: grid;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-warranty__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-warranty__line {
  font-size: 15.5px;
  color: var(--c-paper);
}

.page-contact .ct-warranty__val {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: -0.01em;
  color: var(--c-green);
}

/* ---------- 到访与工单 ---------- */
.page-contact .ct-visit {
  display: grid;
  gap: clamp(20px, 2.8vw, 34px);
  align-items: start;
}

.page-contact .ct-visit__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

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

.page-contact .ct-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--c-orange);
  transform: rotate(45deg);
}

.page-contact .ct-list strong {
  color: var(--c-paper);
  font-weight: 700;
}

.page-contact .ct-region {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid rgba(61, 217, 192, 0.3);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(61, 217, 192, 0.13), rgba(11, 27, 51, 0.45) 58%, rgba(255, 107, 44, 0.09));
}

.page-contact .ct-region__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
  margin-bottom: 12px;
}

.page-contact .ct-region__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-contact .ct-region__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-contact .ct-region__meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(61, 217, 192, 0.22);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--c-cyan);
}

/* ---------- 页尾行 ---------- */
.page-contact .ct-tail {
  margin-top: clamp(34px, 5vw, 64px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--ct-line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: center;
  justify-content: space-between;
}

.page-contact .ct-tail__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-contact .ct-top {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gray);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .ct-top:hover,
.page-contact .ct-top:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .ct-board__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    column-gap: clamp(28px, 4vw, 64px);
  }

  .page-contact .ct-partner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .ct-visit {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (max-width: 420px) {
  .page-contact .ct-checklist li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-contact .ct-steps > li {
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .breadcrumb a,
  .page-contact .ct-link,
  .page-contact .ct-top {
    transition: none;
  }
}
<<<END>>>