.page-contact {
  --contact-radius: 26px;
  --contact-gap: clamp(24px, 4vw, 56px);
  background:
    radial-gradient(1100px 600px at 92% -10%, rgba(43, 27, 74, 0.82), transparent 62%),
    radial-gradient(880px 520px at 2% 104%, rgba(90, 31, 51, 0.5), transparent 66%),
    var(--deep-sea);
  color: var(--mist);
  padding-bottom: clamp(46px, 7vw, 92px);
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding-block: clamp(16px, 2.6vw, 30px) 0;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--line-strong);
}

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

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--signal-cyan);
  border-bottom-color: var(--signal-cyan);
}

/* ---------- 首屏分屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  padding-block: clamp(18px, 3vw, 36px) clamp(34px, 5vw, 70px);
  align-items: start;
}

.page-contact .lamp-stage {
  position: relative;
  margin: 0;
  min-height: 260px;
  border-radius: 30px 30px 108px 30px;
  overflow: hidden;
  background: linear-gradient(158deg, var(--indigo), var(--deep-sea) 58%, var(--wine));
  isolation: isolate;
}

.page-contact .lamp-stage img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  opacity: 0.74;
}

.page-contact .lamp-stage::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -24%;
  width: 66%;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 32% 68%, rgba(55, 245, 212, 0.32), transparent 62%);
  pointer-events: none;
}

.page-contact .stage-caption {
  position: absolute;
  left: clamp(14px, 2.4vw, 26px);
  right: clamp(14px, 2.4vw, 26px);
  bottom: clamp(14px, 2.4vw, 26px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .region-tag {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 6px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: rgba(6, 28, 47, 0.78);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
  cursor: help;
  transition: border-color var(--ease), background var(--ease);
}

.page-contact .region-tag:hover,
.page-contact .region-tag:focus-visible {
  border-color: var(--signal-cyan);
  background: rgba(11, 43, 69, 0.92);
}

.page-contact .region-pop {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: max-content;
  max-width: min(268px, 68vw);
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--wine);
  color: var(--mist);
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--ease), transform var(--ease);
  pointer-events: none;
  z-index: 4;
}

.page-contact .region-tag:hover .region-pop,
.page-contact .region-tag:focus-visible .region-pop {
  opacity: 1;
  transform: translateY(0);
}

.page-contact .stage-note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ink-70);
}

.page-contact .hero-copy {
  min-width: 0;
}

.page-contact .band-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal-cyan);
}

.page-contact .band-eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: currentColor;
}

.page-contact .hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 4.3vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--mist);
}

.page-contact .hero-lede {
  max-width: 46ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-80);
}

.page-contact .big-channels {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .big-channel {
  padding: 16px 0 15px;
  border-top: 1px solid var(--line);
}

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

.page-contact .big-label {
  display: block;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .big-value {
  display: inline-block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.1vw, 25px);
  letter-spacing: -0.01em;
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 245, 212, 0.32);
  transition: color var(--ease), border-color var(--ease);
  word-break: break-word;
}

.page-contact .big-value:hover,
.page-contact .big-value:focus-visible {
  color: var(--signal-orange);
  border-bottom-color: var(--signal-orange);
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 10px;
  padding: 5px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink-70);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  color: var(--deep-sea);
  background: var(--signal-cyan);
  border-color: var(--signal-cyan);
}

/* ---------- 通用段落节奏 ---------- */
.page-contact .band {
  padding-block: clamp(30px, 4.6vw, 62px);
}

.page-contact .band-head {
  margin-bottom: clamp(14px, 2vw, 24px);
}

.page-contact .band-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.1vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .band-text {
  max-width: 64ch;
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink-80);
}

/* ---------- 渠道总览 ---------- */
.page-contact .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "idx name act"
    "desc desc desc";
  gap: 5px 14px;
  padding-block: 19px;
  border-top: 1px solid var(--line);
  align-items: center;
}

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

.page-contact .ch-index {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-contact .ch-name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .ch-desc {
  grid-area: desc;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-contact .ch-act {
  grid-area: act;
  justify-self: end;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 245, 212, 0.34);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .ch-act:hover,
.page-contact .ch-act:focus-visible {
  color: var(--signal-orange);
  border-bottom-color: var(--signal-orange);
}

/* ---------- 邮箱 ---------- */
.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 46px);
  align-items: start;
}

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

.page-contact .fold {
  margin-top: 12px;
  padding: 14px 17px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(11, 43, 69, 0.62);
  transition: border-color var(--ease), background var(--ease);
}

.page-contact .fold:hover {
  border-color: var(--line-strong);
}

.page-contact .fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--mist);
}

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

.page-contact .fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--signal-cyan);
  transition: transform var(--ease), color var(--ease);
}

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

.page-contact .fold-body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-70);
}

.page-contact .mail-visual {
  position: relative;
  margin: 0;
  border-radius: 30px 30px 30px 104px;
  overflow: hidden;
  background: linear-gradient(202deg, var(--indigo), var(--night-blue));
}

.page-contact .mail-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  max-height: 380px;
  object-fit: cover;
  opacity: 0.86;
}

.page-contact .visual-note {
  position: relative;
  margin: 0;
  padding: 13px 18px 17px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--ink-70);
  background: rgba(6, 28, 47, 0.78);
}

/* ---------- 电话 ---------- */
.page-contact .phone-band .phone-inner {
  position: relative;
  border-radius: var(--contact-radius);
  padding: clamp(24px, 4vw, 52px);
  background: linear-gradient(118deg, var(--wine), var(--indigo) 54%, var(--night-blue));
  overflow: hidden;
}

.page-contact .phone-band .phone-inner::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -8%;
  width: 42%;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle, rgba(255, 122, 47, 0.34), transparent 64%);
  pointer-events: none;
}

.page-contact .phone-head {
  position: relative;
}

.page-contact .phone-head .band-eyebrow {
  color: var(--signal-orange);
}

.page-contact .phone-number {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.4vw, 50px);
  letter-spacing: -0.02em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 2px solid rgba(234, 246, 247, 0.24);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .phone-number:hover,
.page-contact .phone-number:focus-visible {
  color: var(--signal-orange);
  border-bottom-color: var(--signal-orange);
}

.page-contact .phone-scenes {
  position: relative;
  display: grid;
  gap: 0;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .phone-scenes li {
  padding-block: 16px;
  border-top: 1px solid rgba(234, 246, 247, 0.16);
}

.page-contact .scene-tag {
  display: inline-block;
  margin-bottom: 7px;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  background: rgba(6, 28, 47, 0.6);
  font-family: var(--font-index);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--signal-cyan);
}

.page-contact .phone-scenes p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-80);
}

/* ---------- 地址 ---------- */
.page-contact .address-panel {
  position: relative;
  padding: clamp(24px, 4vw, 50px);
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
  background: linear-gradient(184deg, rgba(11, 43, 69, 0.94), rgba(6, 28, 47, 0.96));
  overflow: hidden;
}

.page-contact .ridge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 96px;
  color: var(--signal-cyan);
  opacity: 0.24;
  pointer-events: none;
}

.page-contact .address-body {
  position: relative;
  z-index: 1;
}

.page-contact .address-line {
  margin: 4px 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.5vw, 28px);
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--signal-cyan);
  word-break: break-word;
}

.page-contact .region-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(55, 245, 212, 0.34);
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .region-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal-cyan);
  box-shadow: 0 0 0 4px rgba(55, 245, 212, 0.16);
}

/* ---------- 合作 ---------- */
.page-contact .collab-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-contact .collab-copy {
  min-width: 0;
}

.page-contact .collab-act {
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(43, 27, 74, 0.94), rgba(11, 43, 69, 0.94));
  border: 1px solid var(--line);
}

.page-contact .collab-act .act-note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-70);
}

/* ---------- 快速入口 ---------- */
.page-contact .quick-band {
  border-top: 1px solid var(--line);
}

.page-contact .quick-title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-index);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .quick-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .quick-links a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  transition: border-color var(--ease);
}

.page-contact .quick-links a:hover,
.page-contact .quick-links a:focus-visible {
  border-top-color: var(--signal-cyan);
}

.page-contact .quick-name {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--mist);
  transition: color var(--ease);
}

.page-contact .quick-links a:hover .quick-name,
.page-contact .quick-links a:focus-visible .quick-name {
  color: var(--signal-cyan);
}

.page-contact .quick-desc {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-70);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-contact .quick-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(20px, 3vw, 38px);
  }

  .page-contact .phone-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(18px, 2.6vw, 32px);
  }
}

@media (min-width: 820px) {
  .page-contact .channel-row {
    grid-template-columns: 62px 190px minmax(0, 1fr) auto;
    grid-template-areas: "idx name desc act";
    gap: 0 20px;
  }

  .page-contact .collab-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    gap: clamp(34px, 4.4vw, 72px);
  }

  .page-contact .lamp-stage {
    min-height: 520px;
  }

  .page-contact .lamp-stage img {
    min-height: 520px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .region-pop,
  .page-contact .copy-btn,
  .page-contact .big-value,
  .page-contact .ch-act,
  .page-contact .quick-name {
    transition: none;
  }
}
<<<END>>>