.page-contact {
  --contact-rotate-a: -0.9deg;
  --contact-rotate-b: 0.7deg;
  --contact-rotate-c: -0.5deg;
  --contact-gap: clamp(18px, 2.6vw, 28px);
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(24px, 5vw, 60px) 0 clamp(44px, 7vw, 92px);
  background: radial-gradient(120% 90% at 88% 0%, rgba(33, 230, 214, 0.16), transparent 62%),
              radial-gradient(90% 80% at 6% 100%, rgba(255, 122, 41, 0.12), transparent 60%);
  isolation: isolate;
}

.page-contact .contact-hero-visual {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.page-contact .contact-hero-visual img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(0.85);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(7, 16, 35, 0.55) 0%, rgba(7, 16, 35, 0.88) 62%, var(--abyss-900) 100%);
}

.page-contact .contact-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
}

.page-contact .contact-hero-copy .breadcrumb {
  margin-bottom: 18px;
}

.page-contact .contact-hero-copy .eyebrow {
  color: var(--pulse-cyan);
}

.page-contact .contact-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  margin: 10px 0 18px;
  color: var(--chalk-050);
  text-wrap: balance;
}

.page-contact .contact-hero-copy .lede {
  max-width: 44em;
  color: var(--mist-400);
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.75;
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 通道卡 ---------- */
.page-contact .channel-list {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  border: 3px solid var(--hairline-500);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--panel-700) 0%, var(--abyss-800) 100%);
  box-shadow: var(--shadow-hard);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .channel-card--mail {
  border-left: 3px solid var(--pulse-cyan);
}

.page-contact .channel-card--phone {
  border-left: 3px solid var(--flare-orange);
}

.page-contact .channel-card--time {
  border-left: 3px solid var(--mint-live);
}

.page-contact .channel-tag {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist-400);
}

.page-contact .channel-title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 500;
  color: var(--mist-400);
  letter-spacing: 0.04em;
}

.page-contact .channel-value {
  margin: 0 0 10px;
  font-size: clamp(17px, 4.4vw, 22px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--chalk-050);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid var(--pulse-cyan);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .channel-card--phone .channel-value a {
  border-bottom-color: var(--flare-orange);
}

.page-contact .channel-value a:hover,
.page-contact .channel-value a:focus-visible {
  color: var(--pulse-cyan);
}

.page-contact .channel-card--phone .channel-value a:hover,
.page-contact .channel-card--phone .channel-value a:focus-visible {
  color: var(--flare-orange);
}

.page-contact .channel-desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prepare {
  padding: clamp(48px, 8vw, 104px) 0;
  background: var(--abyss-900);
}

.page-contact .prepare-head {
  max-width: 46em;
  margin-bottom: clamp(30px, 5vw, 52px);
}

.page-contact .prepare-head .eyebrow {
  color: var(--flare-orange);
}

.page-contact .prepare-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5.4vw, 44px);
  line-height: 1.2;
  margin: 10px 0 14px;
  color: var(--chalk-050);
}

.page-contact .prepare-head .lede {
  color: var(--mist-400);
  font-size: 16px;
  line-height: 1.75;
  margin: 0;
}

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

.page-contact .checklist-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 3vw, 32px);
  align-items: start;
  padding: clamp(22px, 3.4vw, 34px) 0;
  border-top: 3px solid var(--abyss-800);
  transition: background-color 200ms var(--ease);
}

.page-contact .checklist-item:last-child {
  border-bottom: 3px solid var(--abyss-800);
}

.page-contact .checklist-index {
  font-size: clamp(28px, 6vw, 46px);
  font-weight: 600;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px var(--hairline-500);
  letter-spacing: -0.02em;
  transition: -webkit-text-stroke-color 200ms var(--ease);
}

.page-contact .checklist-item:hover .checklist-index,
.page-contact .checklist-item:focus-within .checklist-index {
  -webkit-text-stroke-color: var(--pulse-cyan);
}

.page-contact .checklist-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 500;
  color: var(--chalk-050);
}

.page-contact .checklist-body p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-400);
}

/* ---------- 响应节奏 ---------- */
.page-contact .contact-sla {
  padding: clamp(46px, 8vw, 100px) 0;
}

.page-contact .sla-copy .eyebrow {
  color: var(--pulse-cyan);
}

.page-contact .sla-copy h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 5vw, 40px);
  line-height: 1.22;
  margin: 10px 0 18px;
  color: var(--chalk-050);
}

.page-contact .sla-copy .prose {
  color: var(--mist-400);
  line-height: 1.8;
  margin: 0 0 14px;
}

.page-contact .sla-panel {
  padding: clamp(20px, 3vw, 30px);
  background: var(--abyss-800);
}

.page-contact .sla-panel-title {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--mist-400);
}

.page-contact .sla-scale {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 26px;
  padding-top: 6px;
}

.page-contact .sla-scale::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12%;
  right: 12%;
  height: 3px;
  background: linear-gradient(90deg, var(--pulse-cyan) 0%, var(--pulse-cyan) 55%, var(--flare-orange) 100%);
}

.page-contact .sla-node {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-contact .sla-dot {
  display: block;
  width: 15px;
  height: 15px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--abyss-900);
  border: 3px solid var(--pulse-cyan);
  animation: contact-pulse 2.4s ease-in-out infinite;
}

.page-contact .sla-node:last-child .sla-dot {
  border-color: var(--flare-orange);
  animation-delay: 0.6s;
}

.page-contact .sla-time {
  display: block;
  font-size: clamp(12px, 2.8vw, 14px);
  color: var(--chalk-050);
  white-space: nowrap;
}

.page-contact .sla-note {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist-400);
}

@keyframes contact-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(33, 230, 214, 0.45); }
  50% { box-shadow: 0 0 0 7px rgba(33, 230, 214, 0); }
}

/* ---------- 两类来件 ---------- */
.page-contact .contact-cases {
  padding: clamp(46px, 8vw, 100px) 0;
  background: var(--abyss-900);
}

.page-contact .contact-cases .eyebrow {
  color: var(--flare-orange);
}

.page-contact .contact-cases h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 5vw, 40px);
  line-height: 1.22;
  margin: 10px 0 clamp(28px, 4vw, 44px);
  color: var(--chalk-050);
}

.page-contact .case-grid {
  align-items: stretch;
}

.page-contact .case-card {
  padding: clamp(20px, 3vw, 30px);
  background: var(--abyss-800);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .case-card h3 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 24px);
  font-weight: 900;
  color: var(--chalk-050);
}

.page-contact .case-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .case-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .case-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--chalk-050);
}

.page-contact .case-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  background: var(--pulse-cyan);
  transform: rotate(45deg);
}

.page-contact .case-card .tag--orange + h3 + p + .case-list li::before {
  background: var(--flare-orange);
}

/* ---------- 天津团队 ---------- */
.page-contact .contact-tianjin {
  padding: clamp(46px, 8vw, 100px) 0;
}

.page-contact .tianjin-head .eyebrow {
  color: var(--mint-live);
}

.page-contact .tianjin-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 5vw, 40px);
  line-height: 1.22;
  margin: 10px 0 clamp(24px, 4vw, 38px);
  color: var(--chalk-050);
}

.page-contact .contact-city-media {
  margin: 0 0 clamp(26px, 4vw, 42px);
  border: 3px solid var(--hairline-500);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
  background: var(--abyss-800);
}

.page-contact .contact-city-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .contact-city-media .media-caption {
  padding: 12px 18px;
  font-size: 13px;
  color: var(--mist-400);
  border-top: 3px solid var(--hairline-500);
}

.page-contact .tianjin-grid {
  align-items: start;
}

.page-contact .tianjin-address {
  padding: clamp(20px, 3vw, 30px);
  background: var(--abyss-800);
}

.page-contact .address-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--pulse-cyan);
}

.page-contact .address-line {
  margin: 0 0 16px;
  font-size: clamp(16px, 3vw, 19px);
  line-height: 1.7;
  color: var(--chalk-050);
}

.page-contact .address-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .tianjin-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--contact-gap);
}

.page-contact .tianjin-stats .stat {
  padding: 16px 18px;
  border: 3px solid var(--hairline-500);
  border-radius: var(--radius);
  background: var(--panel-700);
}

.page-contact .tianjin-stats .stat-value {
  display: block;
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 600;
  line-height: 1;
  color: var(--pulse-cyan);
}

.page-contact .tianjin-stats .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--mist-400);
}

/* ---------- 反白色带：运营与备案 ---------- */
.page-contact .contact-legal {
  padding: clamp(40px, 7vw, 84px) 0;
  background: var(--chalk-050);
  color: var(--ink-950);
}

.page-contact .legal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .legal-copy h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1.22;
  margin: 0 0 12px;
  color: var(--ink-950);
}

.page-contact .legal-copy p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: #2A3A50;
}

.page-contact .legal-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .legal-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 2px solid #C9D6E4;
}

.page-contact .legal-row:first-child {
  border-top: 2px solid #C9D6E4;
}

.page-contact .legal-key {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: #4C6180;
}

.page-contact .legal-val {
  margin: 0;
  font-size: clamp(15px, 2.8vw, 17px);
  color: var(--ink-950);
  overflow-wrap: anywhere;
}

.page-contact .legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 3px solid var(--ink-950);
}

.page-contact .legal-links .pill-link {
  border-color: var(--ink-950);
  color: var(--ink-950);
  background: transparent;
  box-shadow: 4px 4px 0 var(--ink-950);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .legal-links .pill-link:hover,
.page-contact .legal-links .pill-link:focus-visible {
  transform: translateY(-4px);
  box-shadow: 2px 2px 0 var(--ink-950);
  background: var(--flare-orange);
  color: var(--ink-950);
  border-color: var(--ink-950);
}

/* ---------- 显现动画 ---------- */
.page-contact [data-reveal] {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact [data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 520ms var(--ease), transform 520ms var(--ease);
  }
  .page-contact [data-reveal][data-visible="true"] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-contact .legal-grid {
    grid-template-columns: 8fr 4fr;
    align-items: start;
  }
  .page-contact .legal-row {
    grid-template-columns: 130px 1fr;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-contact .channel-card {
    transform: rotate(var(--contact-rotate-a));
  }
  .page-contact .channel-card:nth-child(2) {
    transform: rotate(var(--contact-rotate-b));
    margin-left: clamp(0px, 2vw, 26px);
  }
  .page-contact .channel-card:nth-child(3) {
    transform: rotate(var(--contact-rotate-c));
  }
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: translateY(-4px) rotate(0deg);
    box-shadow: var(--shadow-hard-sm);
    border-color: var(--pulse-cyan);
  }
  .page-contact .channel-card--phone:hover,
  .page-contact .channel-card--phone:focus-within {
    border-color: var(--flare-orange);
  }
  .page-contact .channel-card--time:hover,
  .page-contact .channel-card--time:focus-within {
    border-color: var(--mint-live);
  }

  .page-contact .case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hard-sm);
  }

  .page-contact .checklist-item {
    padding-left: 8px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(30px, 5vw, 72px);
  }
  .page-contact .checklist-item:nth-child(2n) {
    border-top-color: var(--abyss-800);
  }
  .page-contact .checklist-item:nth-last-child(-n+2) {
    border-bottom: 3px solid var(--abyss-800);
  }
  .page-contact .checklist-item:last-child {
    border-bottom: 3px solid var(--abyss-800);
  }
}

@media (max-width: 560px) {
  .page-contact .sla-scale {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 8px;
  }
  .page-contact .sla-scale::before {
    display: none;
  }
  .page-contact .sla-node {
    text-align: left;
  }
  .page-contact .sla-dot {
    margin: 0 0 10px;
  }
  .page-contact .contact-hero-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .sla-dot {
    animation: none;
  }
  .page-contact .channel-card,
  .page-contact .case-card,
  .page-contact .checklist-item,
  .page-contact .legal-links .pill-link {
    transition: none;
  }
}
<<<END>>>