.page-contact {
  --pc-text: #E8F4EF;
  --pc-muted: #9FBDB2;
  --pc-hair: rgba(169, 255, 230, 0.16);
  --pc-hair-strong: rgba(169, 255, 230, 0.34);
  background: var(--ink);
  color: var(--pc-text);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .mono {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  color: var(--pc-text);
}

.page-contact h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 6.2vw, 74px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: 0.01em;
}

.page-contact h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.4vw, 42px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 clamp(18px, 3vw, 28px);
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(137, 175, 163, 0.5);
}

.page-contact .crumbs a {
  color: var(--neon);
  text-decoration: none;
}

.page-contact .crumbs a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 5vw, 60px) 0 clamp(36px, 6vw, 76px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(880px 420px at 78% 6%, rgba(255, 122, 47, 0.16), transparent 70%),
    radial-gradient(680px 380px at 6% 0%, rgba(59, 242, 196, 0.11), transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 5vw, 54px);
  align-items: center;
}

.page-contact .contact-lead {
  max-width: 46ch;
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--pc-muted);
}

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

.page-contact .contact-hero-media {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--pc-hair);
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% 86%, 84% 100%, 0 100%);
}

.page-contact .contact-hero-media img,
.page-contact .steps-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

/* ---------- 联络信息主区 ---------- */
.page-contact .contact-channels {
  padding: clamp(38px, 6.5vw, 84px) 0;
  border-top: 1px solid var(--pc-hair);
  background: linear-gradient(180deg, rgba(18, 51, 42, 0.62), rgba(5, 16, 13, 0.92));
}

.page-contact .channels-grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-contact .channel-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding: 20px 0 18px;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .channel-label {
  flex: 0 0 auto;
  align-self: center;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-contact .channel-value {
  flex: 1 1 210px;
  min-width: 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 3.2vw, 38px);
  font-weight: 500;
  line-height: 1.18;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--phone {
  font-size: clamp(28px, 4.4vw, 52px);
  letter-spacing: 0.05em;
  color: var(--orange);
}

.page-contact .copy-btn {
  flex: 0 0 auto;
  appearance: none;
  cursor: pointer;
  padding: 9px 18px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
  background: transparent;
  border: 1px solid var(--pc-hair-strong);
  border-radius: 999px;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--neon);
  color: var(--on-neon);
  border-color: var(--neon);
  outline: none;
}

.page-contact .copy-btn[data-copied] {
  background: var(--orange);
  color: var(--on-orange);
  border-color: var(--orange);
}

.page-contact .channel-note {
  margin: 20px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-muted);
}

.page-contact .channel-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .side-card {
  padding: 20px 20px 22px;
  border-left: 2px solid var(--neon);
  background: rgba(18, 51, 42, 0.72);
}

.page-contact .side-card--glass {
  margin-left: 16px;
  background: var(--glass);
  border: 1px solid var(--pc-hair);
  border-left: 2px solid var(--orange);
  backdrop-filter: blur(6px);
}

.page-contact .side-card--ghost {
  margin-left: 32px;
  background: transparent;
  border-left: 2px dashed var(--mist);
}

.page-contact .side-card-label {
  margin: 0 0 9px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .side-card-value {
  margin: 0 0 9px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .side-card-note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-muted);
}

.page-contact .side-link {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 3px;
  font-size: 14px;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-hair-strong);
}

.page-contact .side-link:hover {
  color: var(--neon-soft);
}

/* ---------- 反馈三步 ---------- */
.page-contact .contact-steps {
  padding: clamp(44px, 7vw, 96px) 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .steps-grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-contact .steps-media {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--pc-hair);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12% 100%, 0 88%);
}

.page-contact .steps-lead {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pc-muted);
}

.page-contact .step-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .step-item details {
  border-top: 1px solid var(--pc-hair);
}

.page-contact .step-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
}

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

.page-contact .step-num {
  flex: 0 0 auto;
  min-width: 2.1em;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.2px var(--neon);
}

@supports not ((-webkit-text-stroke: 1px red)) {
  .page-contact .step-num {
    color: var(--neon);
  }
}

.page-contact .step-title {
  flex: 1 1 auto;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .step-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--neon);
}

.page-contact .step-item details[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-contact .step-item details[open] summary .step-title {
  color: var(--neon-soft);
}

.page-contact .step-detail {
  margin: 0;
  padding: 0 0 22px calc(2.1em + 16px);
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-muted);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  padding: clamp(40px, 6vw, 80px) 0;
  background: var(--ink-deep);
  border-top: 1px solid var(--pc-hair);
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .flow-grid {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--pc-hair);
}

.page-contact .flow-item {
  padding: 26px 22px 30px;
  background: var(--ink-deep);
}

.page-contact .flow-key {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .flow-item h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.3;
}

.page-contact .flow-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-muted);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-visit {
  padding: clamp(44px, 7vw, 96px) 0;
}

.page-contact .visit-grid {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  align-items: start;
}

.page-contact .visit-addr {
  margin: 0 0 16px;
  font-size: clamp(19px, 2.6vw, 30px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .visit-note {
  margin: 0;
  max-width: 50ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pc-muted);
}

.page-contact .visit-link {
  margin: 18px 0 0;
  font-size: 15px;
  color: var(--pc-muted);
}

.page-contact .visit-link a,
.page-contact .visit-fine a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-hair-strong);
}

.page-contact .visit-link a:hover,
.page-contact .visit-fine a:hover {
  color: var(--neon-soft);
}

.page-contact .visit-meta dl {
  margin: 0;
  border-top: 1px solid var(--pc-hair-strong);
}

.page-contact .meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .meta-row dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .meta-row dd {
  margin: 0;
  font-size: 15px;
  color: var(--pc-text);
  text-align: right;
}

.page-contact .visit-fine {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 服务时间条带 ---------- */
.page-contact .contact-band {
  border-top: 1px solid var(--pc-hair-strong);
  background: linear-gradient(90deg, rgba(59, 242, 196, 0.13), rgba(18, 51, 42, 0.35) 46%, rgba(255, 122, 47, 0.14));
}

.page-contact .band-inner {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  padding-inline: var(--gutter);
}

.page-contact .band-inner::-webkit-scrollbar {
  display: none;
}

.page-contact .band-item {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 178px;
  padding: 20px 22px 22px;
  border-left: 1px solid var(--pc-hair);
}

.page-contact .band-item:first-child {
  border-left: 0;
  padding-left: 0;
}

.page-contact .band-time {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 600;
  color: var(--neon);
  white-space: nowrap;
}

.page-contact .band-time--orange {
  color: var(--orange);
}

.page-contact .band-label {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--pc-muted);
}

/* ---------- 移动端悬浮联系条 ---------- */
.page-contact .contact-dock {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
  display: flex;
  align-items: stretch;
  background: rgba(5, 16, 13, 0.94);
  border-top: 1px solid var(--pc-hair-strong);
  backdrop-filter: blur(8px);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.page-contact .dock-btn {
  flex: 1 1 0;
  appearance: none;
  padding: 14px 6px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--neon);
  text-align: center;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--pc-hair);
  cursor: pointer;
}

.page-contact .dock-btn--phone {
  color: var(--orange);
}

.page-contact .dock-btn[data-copied] {
  background: rgba(255, 122, 47, 0.18);
}

.page-contact .dock-legal {
  flex: 0 0 auto;
  align-self: center;
  padding: 0 14px;
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
  white-space: nowrap;
}

@media (max-width: 899px) {
  .page-contact {
    padding-bottom: 56px;
  }
}

@media (min-width: 760px) {
  .page-contact .channel-value {
    flex: 1 1 auto;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: 56px;
  }

  .page-contact .steps-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 48px;
  }

  .page-contact .steps-media {
    position: sticky;
    top: 96px;
  }

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

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  }

  .page-contact .contact-dock {
    display: none;
  }

  .page-contact {
    padding-bottom: 0;
  }
}

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