.page-contact {
  --pc-gap: 28px;
  --pc-panel: var(--ink-800);
  --pc-hair: rgba(42, 58, 85, .9);
  background: var(--ink-900);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 40%;
  opacity: .3;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(158deg, rgba(5, 7, 13, .7) 0%, rgba(5, 7, 13, .93) 58%, var(--ink-900) 100%),
    repeating-linear-gradient(115deg, rgba(42, 58, 85, .28) 0 1px, transparent 1px 46px);
}

.page-contact .contact-hero__inner {
  position: relative;
  padding: 34px 0 62px;
}

.page-contact .contact-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 9.5vw, 78px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  max-width: 60ch;
  margin: 20px 0 0;
  color: var(--mute);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 章节骨架 ---------- */

.page-contact .section {
  padding: 58px 0;
}

.page-contact .section-head {
  margin-bottom: 26px;
}

.page-contact .section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6.4vw, 46px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .section-head .lede {
  max-width: 52ch;
  margin: 12px 0 0;
  color: var(--mute);
  font-size: 16px;
  line-height: 1.75;
}

.page-contact .contact-pace__text h2 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6.4vw, 44px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-contact .contact-map__text h2 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 6vw, 42px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

/* ---------- 联系方式大字块 ---------- */

.page-contact .contact-reach {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .contact-reach__main {
  display: grid;
  gap: 14px;
}

.page-contact .contact-line {
  position: relative;
  padding: 22px 20px 24px 26px;
  border: 1px solid var(--pc-hair);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
}

.page-contact .contact-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--line);
}

.page-contact .contact-line--primary::before {
  background: var(--signal);
}

.page-contact .contact-line__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--mute);
}

.page-contact .contact-line__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(16px, 4.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .contact-line__value--text {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(17px, 4.4vw, 23px);
  line-height: 1.5;
  word-break: normal;
}

.page-contact .contact-line__note {
  margin: 12px 0 0;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .contact-reach__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .contact-side-panel {
  padding: 22px;
  background: var(--ink-800);
  border: 1px solid var(--pc-hair);
}

.page-contact .contact-side-panel--flare {
  border-left: 3px solid var(--flare);
}

.page-contact .contact-side-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--signal);
}

.page-contact .contact-side-panel--flare .contact-side-panel__title {
  color: var(--flare);
}

.page-contact .contact-side-panel__text {
  margin: 0;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .contact-shortcuts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .contact-shortcuts a {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
}

.page-contact .contact-shortcuts span {
  display: block;
  margin-top: 4px;
  color: var(--mute);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 问题分流 ---------- */

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

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

.page-contact .contact-item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 0;
  list-style: none;
  cursor: pointer;
}

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

.page-contact .contact-item__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--mute);
  flex: none;
}

.page-contact .contact-item summary h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 4.6vw, 28px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--mute);
}

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

.page-contact .contact-item[open] summary h3 {
  color: var(--signal);
}

.page-contact .contact-item__body {
  padding: 0 0 26px 34px;
  max-width: 70ch;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .contact-item__body p {
  margin: 0 0 12px;
}

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

.page-contact .contact-item__body a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
}

/* ---------- 回复节奏 ---------- */

.page-contact .contact-pace {
  display: grid;
  gap: 32px;
}

.page-contact .contact-pace__text p {
  margin: 0 0 14px;
  color: var(--mute);
  font-size: 16px;
  line-height: 1.78;
  max-width: 56ch;
}

.page-contact .pace-scale {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pace-scale__ticks {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 5px;
}

.page-contact .pace-scale__ticks span {
  height: 30px;
  border-top: 1px solid var(--signal);
  background: linear-gradient(180deg, rgba(200, 255, 61, .55), rgba(200, 255, 61, .04));
}

.page-contact .pace-scale__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mute);
}

.page-contact .contact-pace__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--pc-hair);
  overflow: hidden;
  background: var(--ink-800);
}

.page-contact .contact-pace__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .82;
}

.page-contact .contact-pace__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 13, .15) 40%, rgba(5, 7, 13, .88) 100%);
  pointer-events: none;
}

.page-contact .contact-pace__cap {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 1;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--paper);
}

/* ---------- 合作线索 ---------- */

.page-contact .contact-leads {
  display: grid;
  gap: 1px;
  background: var(--pc-hair);
  border: 1px solid var(--pc-hair);
}

.page-contact .lead-card {
  padding: 24px 22px 26px;
  background: var(--ink-800);
}

.page-contact .lead-card__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-contact .lead-card h3 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .lead-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .lead-card li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 9px;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .lead-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 7px;
  height: 1px;
  background: var(--line);
}

.page-contact .lead-card__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--mute);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 到访与周边 ---------- */

.page-contact .contact-map {
  display: grid;
  gap: 30px;
}

.page-contact .contact-map__text p {
  margin: 0 0 14px;
  color: var(--mute);
  font-size: 16px;
  line-height: 1.78;
  max-width: 52ch;
}

.page-contact .contact-map__frame {
  padding: 12px;
  border: 1px solid var(--pc-hair);
  background: var(--ink-800);
}

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

.page-contact .map-road {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-contact .map-road--dashed {
  stroke-dasharray: 9 9;
  opacity: .62;
}

.page-contact .map-block {
  fill: var(--ink-700);
  stroke: var(--line);
  stroke-width: 1;
}

.page-contact .map-pin-halo {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1;
  opacity: .55;
}

.page-contact .map-pin-dot {
  fill: var(--signal);
}

.page-contact .map-label {
  fill: var(--mute);
  font-family: var(--font-body);
  font-size: 13px;
}

/* ---------- 备案条带 ---------- */

.page-contact .contact-filing {
  border-top: 1px solid var(--pc-hair);
  border-bottom: 1px solid var(--pc-hair);
  background: linear-gradient(100deg, var(--ink-800) 0%, var(--ink-900) 72%);
}

.page-contact .contact-filing__inner {
  padding: 34px 0;
  display: grid;
  gap: 20px;
}

.page-contact .contact-filing__title {
  margin: 10px 0 0;
  font-size: clamp(19px, 4.4vw, 28px);
  line-height: 1.3;
}

.page-contact .contact-filing__hover {
  position: relative;
  display: inline-block;
  font-family: var(--font-mono);
  color: var(--paper);
  letter-spacing: .02em;
  border-bottom: 1px dashed var(--line);
  cursor: help;
}

.page-contact .filing-tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  padding: 8px 12px;
  background: var(--ink-700);
  border: 1px solid var(--signal);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 3;
}

.page-contact .contact-filing__hover:hover .filing-tip,
.page-contact .contact-filing__hover:focus .filing-tip {
  opacity: 1;
}

.page-contact .contact-filing__meta p {
  margin: 0 0 12px;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.75;
  max-width: 58ch;
}

.page-contact .contact-filing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.page-contact .contact-filing__links a {
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
}

/* ---------- 回到顶部 ---------- */

.page-contact .contact-topline {
  display: flex;
  justify-content: flex-end;
  padding: 26px 0 40px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .section {
    padding: 72px 0;
  }

  .page-contact .contact-hero__inner {
    padding: 48px 0 78px;
  }

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

@media (min-width: 940px) {
  .page-contact .contact-reach {
    grid-template-columns: 1.35fr .85fr;
    align-items: start;
  }

  .page-contact .contact-line__value {
    font-size: clamp(20px, 2.3vw, 30px);
  }

  .page-contact .contact-line__value--text {
    font-size: 22px;
  }

  .page-contact .contact-pace {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
  }

  .page-contact .contact-map {
    grid-template-columns: .92fr 1.08fr;
    align-items: center;
    gap: 44px;
  }

  .page-contact .contact-filing__inner {
    grid-template-columns: .95fr 1.05fr;
    align-items: center;
    padding: 42px 0;
  }

  .page-contact .section {
    padding: 86px 0;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-reach {
    grid-template-columns: 1.5fr .8fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .filing-tip {
    transition: none;
  }
}
<<<END>>>