.page-contact {
  --pc-line: var(--line);
  --pc-soft: rgba(244, 248, 247, .76);
  --pc-soft-dim: rgba(244, 248, 247, .58);
  background: var(--ink);
  color: var(--fog);
  overflow-x: hidden;
}

/* ── 顶部上下文条 ── */
.page-contact .contact-topbar {
  background: var(--ink);
  border-bottom: 1px solid var(--line-dark);
}
.page-contact .contact-topbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 18px;
  padding: 14px 0;
  font-size: 13px;
}
.page-contact .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--steel);
}
.page-contact .crumbs-link {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease);
}
.page-contact .crumbs-link:hover {
  border-bottom-color: var(--mint);
}
.page-contact .crumbs-sep {
  color: var(--mint);
}
.page-contact .contact-topbar-note {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--steel);
}

/* ── 首屏 ── */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 4.5vw, 58px) 0 clamp(34px, 5.5vw, 72px);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(0, 194, 168, .16) 0%, transparent 58%),
    var(--ink);
}
.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}
.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mint);
}
.page-contact .contact-eyebrow {
  color: var(--lime);
}
.page-contact .contact-hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 5.6vw, 60px);
  line-height: 1.06;
  letter-spacing: -.045em;
  color: var(--fog);
}
.page-contact .contact-hero-title .hl {
  color: var(--mint);
}
.page-contact .contact-hero-lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
  color: var(--pc-soft);
}
.page-contact .contact-hero-links {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .contact-hero-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 300px;
  padding: clamp(18px, 2.6vw, 28px);
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
}
.page-contact .contact-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .48;
}
.page-contact .contact-hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(192deg, rgba(7, 26, 43, .08) 0%, rgba(7, 26, 43, .58) 52%, rgba(7, 26, 43, .96) 100%);
  pointer-events: none;
}
.page-contact .contact-hero-flag {
  position: relative;
  z-index: 2;
  align-self: flex-start;
  margin: 0 0 auto;
  padding: 6px 10px;
  background: var(--lime);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: .16em;
}
.page-contact .contact-hero-card {
  position: relative;
  z-index: 2;
  padding: 16px 18px;
  background: var(--fog);
  color: var(--ink);
  border-left: 4px solid var(--orange);
}
.page-contact .contact-hero-card-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mint-deep);
}
.page-contact .contact-hero-card-addr {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.5;
  letter-spacing: -.01em;
}
.page-contact .contact-hero-card-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ── 联系通道 ── */
.page-contact .contact-channels {
  border-top: 1px solid var(--line);
}
.page-contact .contact-channels-head {
  max-width: 64ch;
}
.page-contact .contact-channels .title-lg {
  margin: 10px 0 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.035em;
}
.page-contact .contact-channels-sub {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}
.page-contact .contact-channels-body {
  margin-top: clamp(22px, 3.4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .channel-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx main"
    ". value";
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .channel-index {
  grid-area: idx;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mint-deep);
}
.page-contact .channel-main {
  grid-area: main;
  min-width: 0;
}
.page-contact .channel-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -.02em;
  color: var(--ink);
}
.page-contact .channel-desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}
.page-contact .channel-value {
  grid-area: value;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.page-contact .channel-num {
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.7vw, 20px);
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 2px solid var(--mint);
  align-self: flex-start;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .channel-num:hover {
  color: var(--mint-deep);
  border-bottom-color: var(--orange);
}
.page-contact .channel-meta {
  font-size: 12.5px;
  color: var(--slate);
}
.page-contact .selectable {
  -webkit-user-select: all;
  user-select: all;
}
.page-contact .channel-figure {
  margin: 0;
  background: var(--ink-2);
  border: 1px solid var(--ink-2);
  align-self: start;
}
.page-contact .channel-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  max-width: 100%;
}
.page-contact .channel-figure figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line-dark);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--pc-soft);
}

/* ── 联系地址 ── */
.page-contact .contact-locate {
  position: relative;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.page-contact .contact-locate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
}
.page-contact .contact-locate .title-lg {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.035em;
  color: var(--fog);
}
.page-contact .locate-addr {
  margin: 0;
  padding-left: 20px;
  border-left: 4px solid var(--orange);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 36px);
  line-height: 1.32;
  letter-spacing: -.03em;
  color: var(--fog);
}
.page-contact .locate-note {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-soft);
}
.page-contact .locate-facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-contact .locate-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px solid var(--line-dark);
}
.page-contact .locate-facts .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--mint);
}
.page-contact .locate-facts span:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-soft);
}

/* ── 问题反馈清单 ── */
.page-contact .contact-feedback .title-lg {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.035em;
  color: var(--ink);
}
.page-contact .contact-feedback-sub {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}
.page-contact .fb {
  margin-top: clamp(20px, 3vw, 32px);
}
.page-contact .fb-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-contact .fb-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .fb-label {
  cursor: pointer;
  padding: 9px 15px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--slate);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.2;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .fb-label:hover {
  border-color: var(--mint-deep);
  color: var(--ink);
}
.page-contact #fb-search:checked ~ .fb-labels [for="fb-search"],
.page-contact #fb-score:checked ~ .fb-labels [for="fb-score"],
.page-contact #fb-video:checked ~ .fb-labels [for="fb-video"],
.page-contact #fb-account:checked ~ .fb-labels [for="fb-account"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--lime);
}
.page-contact .fb-panels {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}
.page-contact .fb-panel {
  display: none;
  padding: 20px 0 0;
}
.page-contact #fb-search:checked ~ .fb-panels .fb-panel-1,
.page-contact #fb-score:checked ~ .fb-panels .fb-panel-2,
.page-contact #fb-video:checked ~ .fb-panels .fb-panel-3,
.page-contact #fb-account:checked ~ .fb-panels .fb-panel-4 {
  display: block;
}
.page-contact .fb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-contact .fb-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 6px 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}
.page-contact .fb-box {
  flex: 0 0 auto;
  width: 13px;
  height: 13px;
  margin-top: 6px;
  border: 1px solid var(--mint-deep);
}
.page-contact .fb-req {
  flex: 0 0 auto;
  padding: 3px 7px;
  background: var(--lime);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: .04em;
  line-height: 1.4;
  white-space: nowrap;
}

/* ── 合作与内容咨询 ── */
.page-contact .contact-coop {
  background: var(--ink);
  border-bottom: 1px solid var(--line-dark);
}
.page-contact .contact-coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}
.page-contact .contact-coop .title-lg {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.035em;
  color: var(--fog);
}
.page-contact .contact-coop-lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-soft);
}
.page-contact .coop-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.page-contact .coop-steps li {
  background: var(--ink);
  padding: 14px 12px;
}
.page-contact .coop-steps .mono {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--mint);
}
.page-contact .coop-steps strong {
  display: block;
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--fog);
}
.page-contact .contact-coop-side {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  border-top: 3px solid var(--mint);
}
.page-contact .coop-side-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--lime);
}
.page-contact .coop-list {
  list-style: none;
  counter-reset: coop;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .coop-list li {
  position: relative;
  counter-increment: coop;
  padding-left: 30px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-soft);
}
.page-contact .coop-list li::before {
  content: counter(coop, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mint);
}
.page-contact .coop-mail {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--lime);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(215, 255, 63, .45);
  transition: border-color .18s var(--ease);
}
.page-contact .coop-mail:hover {
  border-bottom-color: var(--orange);
}
.page-contact .coop-stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line-dark);
}
.page-contact .coop-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--fog);
}
.page-contact .coop-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--steel);
}

/* ── 服务响应 ── */
.page-contact .contact-response {
  background: var(--ink-2);
}
.page-contact .response-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 44px);
}
.page-contact .response-time {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 12px 0 0;
  padding-bottom: 14px;
  border-bottom: 3px solid var(--mint);
  font-family: var(--font-mono);
  font-size: clamp(34px, 6.2vw, 72px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--lime);
}
.page-contact .response-time span {
  font-size: .48em;
  color: var(--mint);
}
.page-contact .response-time-label {
  margin: 14px 0 0;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--steel);
}
.page-contact .response-copy .title-md {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.24;
  letter-spacing: -.03em;
  color: var(--fog);
}
.page-contact .response-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-soft);
}
.page-contact .response-links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}
.page-contact .response-links li {
  border-bottom: 1px solid var(--line-dark);
}
.page-contact .response-links a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fog);
  text-decoration: none;
  transition: color .18s var(--ease);
}
.page-contact .response-links a::after {
  content: "→";
  flex: 0 0 auto;
  color: var(--mint);
  font-family: var(--font-mono);
}
.page-contact .response-links a:hover {
  color: var(--lime);
}

/* ── 断点 ── */
@media (min-width: 560px) {
  .page-contact .coop-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .coop-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .locate-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .channel-row {
    grid-template-columns: 52px minmax(0, 1fr) minmax(0, 250px);
    grid-template-areas: "idx main value";
    align-items: start;
    gap: 6px 24px;
    padding: 24px 0;
  }
  .page-contact .fb-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 30px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-locate-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 44px;
    align-items: start;
  }
  .page-contact .contact-coop-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 44px;
  }
  .page-contact .response-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
  }
  .page-contact .contact-hero-panel {
    min-height: 420px;
  }
  .page-contact .coop-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-contact .contact-channels-body {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: .01ms !important;
  }
}
<<<END>>>