.page-contact {
  --contact-gap: clamp(16px, 2.4vw, 32px);
  --contact-line: var(--line-dark);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-mute);
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--graphite);
}

.page-contact .breadcrumbs a {
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 44px) 0 clamp(52px, 8vw, 104px);
  background: var(--ink);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  left: -10%;
  width: 120%;
  height: 132%;
  background:
    linear-gradient(120deg, rgba(30, 107, 255, 0.44), rgba(30, 107, 255, 0) 54%),
    linear-gradient(300deg, rgba(255, 122, 26, 0.3), rgba(255, 122, 26, 0) 48%);
  clip-path: polygon(0 0, 100% 0, 100% 56%, 0 88%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 14%;
  right: -10%;
  width: 48%;
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 122, 26, 0), var(--orange));
  transform: rotate(-22deg);
  opacity: 0.75;
  pointer-events: none;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

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

.page-contact .contact-hero-copy h1 {
  margin: 0.4rem 0 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 18ch;
}

.page-contact .contact-lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 58ch;
  font-size: clamp(0.98rem, 1.3vw, 1.1rem);
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-index {
  position: relative;
  border: 1px solid var(--line-dark);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius);
  background: rgba(17, 27, 46, 0.86);
  box-shadow: var(--shadow-1);
  padding: clamp(16px, 2.4vw, 26px);
}

.page-contact .contact-index-label {
  margin: 0 0 14px;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .contact-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .contact-index-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-soft);
}

.page-contact .contact-index-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-index-list .mono {
  flex: none;
  font-size: 0.76rem;
  color: var(--orange);
}

.page-contact .contact-index-foot {
  margin: 16px 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}

/* ---------- 通用章节头 ---------- */
.page-contact .section-head {
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-contact .section-head h2 {
  margin: 0.35rem 0 0.7rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.6vw, 2.9rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-contact .lede {
  margin: 0;
  max-width: 62ch;
  line-height: 1.75;
}

/* ---------- 问题分流 ---------- */
.page-contact .contact-route {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--ink);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-route .section-head h2 {
  color: var(--paper);
}

.page-contact .contact-route .lede {
  color: var(--text-soft);
  font-size: clamp(0.96rem, 1.1vw, 1.06rem);
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 0;
}

.page-contact .filter-btn {
  padding: 0.52rem 1rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(17, 27, 46, 0.6);
  color: var(--text-soft);
  font-family: var(--body);
  font-size: 0.9rem;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.18s var(--ease), background 0.18s var(--ease),
    border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .filter-btn:hover {
  border-color: var(--blue);
  color: var(--paper);
}

.page-contact .filter-btn[aria-pressed="true"] {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
  transform: translateY(-2px);
}

.page-contact .filter-status {
  margin: 12px 0 20px;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--text-mute);
}

.page-contact .contact-route-list {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-route-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-dark);
  border-left: 2px solid var(--blue);
  border-radius: var(--radius);
  background: var(--ink-2);
  box-shadow: var(--shadow-1);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-contact .contact-route-card:hover {
  border-color: rgba(30, 107, 255, 0.6);
  border-left-color: var(--orange);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-route-no {
  margin: 0 0 8px;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .contact-route-card h3 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-route-card > p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .contact-route-meta {
  display: grid;
  gap: 10px;
  margin: 16px 0 14px;
}

.page-contact .contact-route-meta > div {
  padding-left: 12px;
  border-left: 1px solid var(--line-dark);
}

.page-contact .contact-route-meta dt {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .contact-route-meta dd {
  margin: 4px 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .link-arrow {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 181, 71, 0.4);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .link-arrow:hover,
.page-contact .link-arrow:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 渠道面板 ---------- */
.page-contact .contact-channels {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--ink-2);
}

.page-contact .contact-channels .section-head h2 {
  color: var(--paper);
}

.page-contact .contact-channels .lede {
  color: var(--text-soft);
}

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

.page-contact .contact-channel-cards {
  display: grid;
  gap: 12px;
}

.page-contact .contact-channel-card {
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(11, 15, 20, 0.55);
  box-shadow: var(--shadow-1);
  transition: border-color 0.18s var(--ease);
}

.page-contact .contact-channel-card:hover {
  border-color: var(--cyan);
}

.page-contact .contact-channel-no {
  margin: 0 0 6px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--graphite);
}

.page-contact .contact-channel-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .contact-channel-value {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: clamp(0.92rem, 1.5vw, 1.05rem);
  line-height: 1.5;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .contact-channel-card > p:last-child {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-soft);
}

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

.page-contact .contact-channel-side .media,
.page-contact .contact-place .media {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-3);
}

.page-contact .contact-channel-side .media img,
.page-contact .contact-place .media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-contact .media-caption {
  padding: 10px 14px 12px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-mute);
}

.page-contact .contact-clock {
  padding: clamp(16px, 2vw, 20px);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(11, 15, 20, 0.6);
}

.page-contact .contact-clock-title {
  margin: 0 0 12px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .clock-track {
  position: relative;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--cyan) 58%, var(--orange) 100%);
  box-shadow: 0 0 14px rgba(56, 214, 255, 0.22);
}

.page-contact .clock-marks {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.72rem;
  color: var(--text-mute);
}

.page-contact .contact-clock p:last-child {
  margin: 14px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--text-soft);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-partner {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--ink);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-partner .section-head h2 {
  color: var(--paper);
}

.page-contact .contact-partner .lede {
  color: var(--text-soft);
  font-size: clamp(0.96rem, 1.1vw, 1.06rem);
}

.page-contact .contact-partner-list {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-partner-card {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--ink-2);
  box-shadow: var(--shadow-1);
  border-top: 2px solid var(--violet);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-contact .contact-partner-card:hover {
  border-color: rgba(124, 92, 255, 0.75);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-partner-card .tag {
  display: inline-block;
  margin-bottom: 10px;
}

.page-contact .contact-partner-card h3 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: clamp(1.12rem, 1.9vw, 1.35rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .contact-partner-card > p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .contact-partner-card ul {
  display: grid;
  gap: 6px;
  margin: 14px 0 0;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-mute);
}

/* ---------- 提交准备 ---------- */
.page-contact .contact-prepare {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--mist);
  color: var(--text-on-light);
}

.page-contact .contact-prepare .section-head h2 {
  color: var(--ink);
}

.page-contact .contact-prepare .eyebrow {
  color: var(--blue-deep);
}

.page-contact .contact-prepare .lede {
  color: var(--text-on-light);
  font-size: clamp(0.96rem, 1.1vw, 1.06rem);
}

.page-contact .prepare-grid {
  display: grid;
  gap: 12px;
}

.page-contact .contact-prepare .disclosure {
  border: 1px solid var(--line-ink);
  border-left: 2px solid var(--blue);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 4px 14px rgba(11, 15, 20, 0.06);
}

.page-contact .contact-prepare .disclosure[open] {
  border-left-color: var(--orange);
}

.page-contact .contact-prepare .disclosure summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .contact-prepare .disclosure summary::after {
  content: "+";
  flex: none;
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--blue-deep);
}

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

.page-contact .contact-prepare .disclosure-body {
  padding: 0 16px 16px;
}

.page-contact .contact-prepare .disclosure-body p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--text-on-light);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-place {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--ink);
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .contact-place-copy h2 {
  margin: 0.35rem 0 0.8rem;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3.4vw, 2.7rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-place-lede {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .contact-place-list {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
}

.page-contact .contact-place-list > div {
  padding: 6px 0 6px 14px;
  border-left: 2px solid var(--blue);
}

.page-contact .contact-place-list > div:nth-child(2n) {
  border-left-color: var(--orange);
}

.page-contact .contact-place-list dt {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--text-mute);
}

.page-contact .contact-place-list dd {
  margin: 4px 0 0;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-coords {
  display: block;
  width: 100%;
  max-width: 380px;
  height: auto;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(17, 27, 46, 0.6);
}

.page-contact .contact-next {
  display: grid;
  gap: 10px;
  margin-top: clamp(30px, 4.4vw, 54px);
}

.page-contact .contact-next-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(17, 27, 46, 0.5);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease),
    background 0.18s var(--ease);
}

.page-contact .contact-next-item:hover,
.page-contact .contact-next-item:focus-visible {
  border-color: var(--blue);
  background: rgba(30, 107, 255, 0.12);
  transform: translateY(-3px);
}

.page-contact .contact-next-item .mono {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .contact-next-item strong {
  font-size: 0.98rem;
  color: var(--paper);
}

.page-contact .contact-next-item span:last-child {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .prepare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-contact .contact-index {
    margin-top: 12px;
  }

  .page-contact .contact-channel-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

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

  .page-contact .contact-place-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-contact .contact-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .filter-btn,
  .page-contact .contact-next-item,
  .page-contact .contact-route-card,
  .page-contact .contact-partner-card,
  .page-contact .contact-channel-card {
    transition: none;
  }

  .page-contact .filter-btn[aria-pressed="true"],
  .page-contact .contact-next-item:hover,
  .page-contact .contact-next-item:focus-visible {
    transform: none;
  }
}
<<<END>>>