.page-contact {
  --pc-cut: 18px;
  --pc-rail-top: calc(var(--hdr-h-shrink) + 28px);
  background: var(--blue-900);
  color: var(--mist);
  padding-bottom: 0;
}

.page-contact .crumbs {
  padding-top: clamp(16px, 2.4vw, 26px);
}

.page-contact .crumbs-item {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--haze);
}

.page-contact .crumbs-item a {
  color: var(--haze);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .crumbs-item a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .crumbs-item li[aria-current] {
  color: var(--gold);
}

/* ---------- 主布局：左窄右宽 ---------- */

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  padding-top: clamp(22px, 3vw, 40px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-contact .contact-main {
  display: grid;
  gap: clamp(40px, 6vw, 84px);
  min-width: 0;
}

.page-contact .contact-rail {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 336px) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
    align-items: start;
  }

  .page-contact .contact-rail {
    order: -1;
    position: sticky;
    top: var(--pc-rail-top);
  }
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 52px) clamp(20px, 3.4vw, 48px);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(0, 229, 255, 0.16), transparent 62%),
    linear-gradient(158deg, rgba(10, 42, 92, 0.96), rgba(6, 24, 47, 0.98));
  border: 1px solid var(--line);
  clip-path: var(--cut-path);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -70px;
  width: 240px;
  height: 240px;
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .contact-hero .sec-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .contact-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-contact .contact-hero-lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--haze);
}

.page-contact .contact-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 16px 20px;
  margin-top: clamp(26px, 3.4vw, 38px);
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .hero-stat {
  display: grid;
  gap: 6px;
}

.page-contact .hero-stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(18px, 2.3vw, 26px);
  letter-spacing: 0.01em;
  color: var(--cyan);
  line-height: 1.15;
}

.page-contact .hero-stat-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--haze);
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

/* ---------- 左侧联系卡 ---------- */

.page-contact .rail-card {
  padding: 22px 20px 24px;
  background: linear-gradient(160deg, rgba(15, 76, 92, 0.6), rgba(6, 24, 47, 0.94));
  border: 1px solid var(--line);
  clip-path: var(--cut-path);
}

.page-contact .rail-card-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-contact .rail-card-title {
  margin: 8px 0 4px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-contact .rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .rail-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line-ghost);
}

.page-contact .rail-item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-contact .rail-tag {
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact .rail-val {
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.4vw, 13.5px);
  line-height: 1.5;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .rail-note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--haze);
}

.page-contact .rail-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 左侧页面索引 ---------- */

.page-contact .rail-index {
  display: none;
  padding: 16px 14px 14px;
  border: 1px solid var(--line-ghost);
  background: rgba(6, 24, 47, 0.5);
}

@media (min-width: 1000px) {
  .page-contact .rail-index {
    display: block;
  }
}

.page-contact .rail-index-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-contact .rail-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-contact .rail-index-list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  padding: 7px 6px;
  font-size: 13px;
  color: var(--haze);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 220ms var(--ease), background 220ms var(--ease), border-color 220ms var(--ease);
}

.page-contact .rail-index-list a .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
}

.page-contact .rail-index-list a:hover {
  color: #ffffff;
  background: rgba(0, 229, 255, 0.07);
}

.page-contact .rail-index-list a.is-active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(0, 229, 255, 0.09);
}

/* ---------- 编号章节 ---------- */

.page-contact .pc-section {
  scroll-margin-top: calc(var(--hdr-h) + 24px);
  padding-top: clamp(26px, 3.4vw, 44px);
  border-top: 1px solid var(--line-ghost);
}

.page-contact .pc-section .sec-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .sec-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.page-contact .sec-lead {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
}

/* ---------- 01 渠道适用 ---------- */

.page-contact .split {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(22px, 3vw, 32px);
}

@media (min-width: 880px) {
  .page-contact .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-contact .channel-list li {
  padding-left: 18px;
  border-left: 2px solid var(--line);
}

.page-contact .channel-list strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15.5px;
  color: #ffffff;
}

.page-contact .channel-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .media-frame {
  display: block;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: rgba(6, 24, 47, 0.6);
}

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

.page-contact .media-frame--wide {
  clip-path: var(--cut-path);
}

/* ---------- 02 反馈与工单 ---------- */

.page-contact .checklist {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-contact .flow {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }
}

.page-contact .flow-step {
  position: relative;
  padding: 18px 16px 20px;
  background: linear-gradient(170deg, rgba(74, 18, 48, 0.42), rgba(6, 24, 47, 0.75));
  border: 1px solid var(--line-ghost);
}

.page-contact .flow-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact .flow-name {
  display: block;
  margin-top: 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  color: #ffffff;
}

.page-contact .flow-step p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

@media (min-width: 720px) {
  .page-contact .flow-step::after {
    content: "";
    position: absolute;
    right: -11px;
    top: 50%;
    width: 11px;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), transparent);
  }

  .page-contact .flow-step:last-child::after {
    display: none;
  }
}

/* ---------- 03 时段与节奏 ---------- */

.page-contact .rhythm {
  margin-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .rhythm-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-ghost);
}

@media (min-width: 640px) {
  .page-contact .rhythm-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

.page-contact .rhythm-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .rhythm-row p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 04 区域分工 ---------- */

.page-contact .region-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3vw, 32px);
}

@media (min-width: 780px) {
  .page-contact .region-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .region {
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line);
  clip-path: var(--cut-path);
}

.page-contact .region--east {
  background: linear-gradient(155deg, rgba(15, 76, 92, 0.9), rgba(6, 24, 47, 0.96));
}

.page-contact .region--south {
  background: linear-gradient(155deg, rgba(46, 26, 94, 0.9), rgba(6, 24, 47, 0.96));
}

.page-contact .region-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-contact .region-name {
  margin: 10px 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.15;
  color: #ffffff;
}

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

.page-contact .region-meta dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .region-meta dd {
  margin: 5px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 05 渠道合作 ---------- */

.page-contact .partner-list {
  margin-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .partner {
  display: grid;
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-ghost);
}

@media (min-width: 760px) {
  .page-contact .partner {
    grid-template-columns: 60px minmax(0, 180px) minmax(0, 1fr);
    gap: 0 20px;
    align-items: baseline;
  }
}

.page-contact .partner-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .partner-name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: #ffffff;
}

.page-contact .partner-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .partner-start {
  margin-top: clamp(24px, 3vw, 34px);
  padding: clamp(20px, 2.6vw, 28px);
  background: rgba(6, 24, 47, 0.72);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut-path);
}

.page-contact .partner-start-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .partner-start p {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .partner-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 06 诉求路径 ---------- */

.page-contact .path-line {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
}

@media (min-width: 820px) {
  .page-contact .path-line {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-contact .path-node {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 22px 20px 24px;
  background: rgba(6, 24, 47, 0.6);
  border: 1px solid var(--line-soft);
  text-decoration: none;
  transition: border-color 240ms var(--ease), background 240ms var(--ease), transform 240ms var(--ease);
}

.page-contact .path-node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 255, 0));
}

.page-contact .path-node:hover {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, 0.07);
  transform: translateY(-2px);
}

.page-contact .path-step {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .path-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: #ffffff;
}

.page-contact .path-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--haze);
}

.page-contact .path-go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .entry-more {
  margin: clamp(24px, 3vw, 34px) 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--haze);
}

.page-contact .entry-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .entry-more a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 收尾宽幅 ---------- */

.page-contact .closing {
  position: relative;
  border-top: 1px solid var(--line);
  margin-top: clamp(8px, 2vw, 24px);
}

.page-contact .closing-media {
  position: relative;
}

.page-contact .closing-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 24, 47, 0.35) 0%, rgba(6, 24, 47, 0.92) 100%);
}

.page-contact .closing-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(220px, 34vw, 440px);
  object-fit: cover;
  filter: saturate(0.9) brightness(0.78);
}

.page-contact .closing-body {
  position: absolute;
  inset: auto 0 0 0;
  padding-bottom: clamp(22px, 4vw, 48px);
}

.page-contact .closing-line {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 3.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.page-contact .closing-sub {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

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

  .page-contact .path-node:hover {
    transform: none;
  }
}
</main>