.page-contact {
  --pc-gap: clamp(24px, 4vw, 48px);
  color: var(--c-white);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .contact-shell {
  padding-top: clamp(20px, 4vw, 44px);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(24px, 5vw, 44px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-bottom: clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--c-line);
  margin-bottom: clamp(32px, 6vw, 64px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: clamp(90px, 24%, 240px);
  height: 3px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-violet));
}

.page-contact .contact-hero__index {
  margin: 0 0 14px;
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 7vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--c-white);
  background: linear-gradient(96deg, #EAF6FF 22%, #22E0FF 72%, #7A5CFF 98%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-contact .contact-hero__lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: clamp(1rem, 2vw, 1.08rem);
  line-height: 1.8;
  color: var(--c-steel);
}

.page-contact .contact-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .88rem;
  color: var(--c-steel);
}

.page-contact .contact-hero__marks li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-hero__marks .mono {
  color: var(--c-cyan);
}

/* ---------- 状态点 ---------- */

.page-contact .dot {
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-steel);
}

.page-contact .dot--live {
  background: var(--c-green);
  animation: pc-breathe 2.6s var(--ease) infinite;
}

@keyframes pc-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(53, 227, 155, .5); }
  70% { box-shadow: 0 0 0 8px rgba(53, 227, 155, 0); }
}

/* ---------- 主体双栏 ---------- */

.page-contact .contact-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  margin-bottom: clamp(44px, 8vw, 88px);
}

.page-contact .rail__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, 1.85rem);
  color: var(--c-white);
}

.page-contact .rail__note {
  margin: 0 0 clamp(18px, 4vw, 30px);
  font-size: .95rem;
  color: var(--c-steel);
}

.page-contact .chan {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: clamp(16px, 3vw, 24px) 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .chan:last-of-type {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .chan__label {
  margin: 0;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-steel);
}

.page-contact .chan__value {
  margin: 0;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 4.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--c-white);
  overflow-wrap: anywhere;
  word-break: break-word;
  user-select: all;
}

.page-contact .chan__value--mail {
  font-size: clamp(1rem, 3.6vw, 1.55rem);
  color: var(--c-cyan);
}

.page-contact .chan__value--addr {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1.08rem, 3.2vw, 1.4rem);
  letter-spacing: .01em;
}

.page-contact .rail__status {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: clamp(20px, 4vw, 28px);
  padding: 15px 18px;
  border-left: 2px solid var(--c-cyan);
  border-radius: var(--radius);
  background: linear-gradient(100deg, rgba(34, 224, 255, .1), rgba(122, 92, 255, .05));
}

.page-contact .rail__status .dot {
  margin-top: 7px;
}

.page-contact .rail__status p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--c-white);
}

.page-contact .contact-side {
  display: grid;
  gap: clamp(16px, 3vw, 22px);
  align-content: start;
}

.page-contact .contact-side__media,
.page-contact .guangxi__media {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--c-line);
}

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

.page-contact .contact-side__panel {
  position: relative;
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .contact-side__panel-index {
  margin: 0 0 12px;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.page-contact .window-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .92rem;
  color: var(--c-steel);
}

.page-contact .window-list .mono {
  margin-right: 8px;
  color: var(--c-cyan);
}

/* ---------- 响应时间与范围 ---------- */

.page-contact .respond {
  margin-bottom: clamp(44px, 8vw, 88px);
}

.page-contact .section__index {
  margin: 0 0 12px;
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-contact .respond__head,
.page-contact .partner__head,
.page-contact .scenes__head {
  margin-bottom: clamp(20px, 4vw, 32px);
}

.page-contact .respond__title,
.page-contact .partner__title,
.page-contact .scenes__title,
.page-contact .guangxi__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 4vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--c-white);
}

.page-contact .respond__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-contact .respond__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 18px;
  padding: clamp(18px, 3.5vw, 26px) 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .respond__num {
  grid-row: span 2;
  padding-top: .3em;
  font-size: .78rem;
  color: var(--c-cyan);
}

.page-contact .respond__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.02rem, 2.4vw, 1.18rem);
  color: var(--c-white);
}

.page-contact .respond__text {
  margin: 0;
  max-width: 68ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--c-steel);
}

/* ---------- 广西本地服务与备案 ---------- */

.page-contact .guangxi {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 5vw, 52px);
  align-items: center;
  margin-bottom: clamp(44px, 8vw, 88px);
}

.page-contact .guangxi__media {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 15% 100%, 0 80%);
}

.page-contact .guangxi__text {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 60ch;
  font-size: .97rem;
  line-height: 1.8;
  color: var(--c-steel);
}

.page-contact .guangxi__facts {
  display: grid;
  gap: 1px;
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-line);
}

.page-contact .guangxi__facts > div {
  display: grid;
  grid-template-columns: minmax(78px, auto) minmax(0, 1fr);
  gap: 14px;
  padding: 12px 16px;
  background: var(--c-deep);
}

.page-contact .guangxi__facts dt {
  align-self: center;
  margin: 0;
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-steel);
}

.page-contact .guangxi__facts dd {
  margin: 0;
  font-size: .94rem;
  line-height: 1.6;
  color: var(--c-white);
}

/* ---------- 合作与反馈 ---------- */

.page-contact .partner {
  margin-bottom: clamp(44px, 8vw, 88px);
}

.page-contact .partner__lead {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--c-steel);
}

.page-contact .partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.6vw, 22px);
}

.page-contact .partner__card {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(16, 40, 74, .92), rgba(10, 27, 54, .55));
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}

.page-contact .partner__card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-violet));
  transition: width .4s var(--ease);
}

.page-contact .partner__card:hover {
  transform: translateY(-3px);
  border-color: var(--c-cyan);
}

.page-contact .partner__card:hover::after {
  width: 100%;
}

.page-contact .partner__tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 9px;
  font-size: .66rem;
  letter-spacing: .14em;
  color: var(--c-orange);
  border: 1px solid rgba(255, 107, 44, .45);
  border-radius: var(--radius);
}

.page-contact .partner__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--c-white);
}

.page-contact .partner__card p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--c-steel);
}

/* ---------- 常见联络场景 ---------- */

.page-contact .scenes__list {
  counter-reset: pc-scene;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-line);
}

.page-contact .scene {
  display: grid;
  gap: 5px;
  padding: clamp(15px, 3vw, 21px) clamp(18px, 3vw, 26px);
  background: var(--c-deep);
  text-decoration: none;
  transition: background .3s var(--ease), padding-left .3s var(--ease);
}

.page-contact .scene:hover {
  background: var(--c-panel);
  padding-left: clamp(24px, 4.5vw, 40px);
}

.page-contact .scene__name {
  color: var(--c-white);
  font-size: clamp(.98rem, 2.2vw, 1.06rem);
  font-weight: 600;
}

.page-contact .scene__name::before {
  counter-increment: pc-scene;
  content: counter(pc-scene, decimal-leading-zero);
  margin-right: 12px;
  font-family: var(--font-mono);
  font-size: .82em;
  color: var(--c-cyan);
}

.page-contact .scene__meta {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--c-steel);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact .partner__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-contact .contact-main {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-side {
    position: sticky;
    top: clamp(80px, 12vh, 120px);
  }

  .page-contact .respond__item {
    grid-template-columns: 56px minmax(0, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .guangxi {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .dot--live {
    animation: none;
  }

  .page-contact .partner__card,
  .page-contact .scene,
  .page-contact .partner__card::after {
    transition: none;
  }
}