.page-contact {
  --ct-panel: rgba(30, 47, 63, .72);
  --ct-glass: rgba(230, 237, 243, .05);
  --ct-glass-line: rgba(230, 237, 243, .18);
  --ct-shadow: 0 18px 40px rgba(0, 0, 0, .34);
  position: relative;
  background:
    radial-gradient(880px 460px at 88% -10%, rgba(255, 159, 28, .10), transparent 62%),
    radial-gradient(720px 520px at -8% 16%, rgba(46, 196, 182, .09), transparent 60%),
    var(--ink);
  color: var(--text);
  padding-bottom: clamp(34px, 5vw, 72px);
}

.page-contact a:focus-visible,
.page-contact [tabindex]:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(18px, 3vw, 40px) 0 clamp(28px, 4.4vw, 54px);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 28px);
}

.page-contact .ct-hero__panel {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 340px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-2);
  isolation: isolate;
}

.page-contact .ct-hero__panel-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .38;
  filter: saturate(.7);
}

.page-contact .ct-hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(11, 27, 43, .34) 0%, rgba(11, 27, 43, .9) 66%, rgba(11, 27, 43, .98) 100%),
    linear-gradient(115deg, rgba(255, 159, 28, .16) 0%, rgba(255, 159, 28, 0) 46%);
  pointer-events: none;
}

.page-contact .ct-hero__panel::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  z-index: 1;
  width: 46%;
  height: 160%;
  background: linear-gradient(200deg, rgba(46, 196, 182, .16), rgba(46, 196, 182, 0) 66%);
  transform: rotate(14deg);
  pointer-events: none;
}

.page-contact .ct-hero__panel-body {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding: clamp(20px, 3.2vw, 40px);
}

.page-contact .ct-hero__panel-body h1 {
  margin: 14px 0 0;
  font-family: var(--ff-display);
  font-size: clamp(29px, 4.4vw, 52px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.015em;
}

.page-contact .ct-hero__panel-body .lede {
  margin: 16px 0 0;
}

.page-contact .ct-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-contact .ct-hero__side {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .ct-viz__title {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-contact .ct-viz {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-3);
}

.page-contact .ct-viz img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  opacity: .55;
  filter: saturate(.6) contrast(1.05);
}

.page-contact .ct-nodes {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .ct-node--a { left: 12%; top: 28%; }
.page-contact .ct-node--b { left: 42%; top: 55%; }
.page-contact .ct-node--c { left: 20%; top: 78%; }

.page-contact .ct-node__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 4px rgba(46, 196, 182, .18);
  transition: box-shadow .25s var(--ease), background .25s var(--ease);
}

.page-contact .ct-node__label {
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: rgba(11, 27, 43, .86);
  color: var(--cream);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .04em;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}

.page-contact .ct-node:hover .ct-node__label,
.page-contact .ct-node:focus .ct-node__label {
  opacity: 1;
  transform: translateX(0);
}

.page-contact .ct-node:hover .ct-node__dot,
.page-contact .ct-node:focus .ct-node__dot {
  background: var(--amber);
  box-shadow: 0 0 0 6px rgba(255, 159, 28, .2);
}

.page-contact .ct-viz__note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--clay);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-sec {
  position: relative;
  padding: clamp(36px, 5.2vw, 70px) 0;
}

.page-contact .ct-sec + .ct-sec,
.page-contact .ct-coop + .ct-sec {
  border-top: 1px solid var(--line);
}

.page-contact .ct-sec__head {
  max-width: 760px;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-contact .ct-sec__head h2,
.page-contact .ct-scope__lead h2 {
  margin: 12px 0 0;
  font-family: var(--ff-display);
  font-size: clamp(25px, 3.2vw, 38px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.01em;
}

.page-contact .ct-sec__intro {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 联系渠道卡片 ---------- */
.page-contact .ct-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ct-panel);
  backdrop-filter: blur(8px);
  transition: transform .25s var(--ease), border-color .25s var(--ease),
              background .25s var(--ease), box-shadow .25s var(--ease);
}

.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(255, 159, 28, .45);
  background: rgba(30, 47, 63, .92);
  box-shadow: var(--ct-shadow);
}

.page-contact .ct-card__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-contact .ct-card__name {
  margin: 0;
  font-family: var(--ff-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-contact .ct-card__val {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  color: var(--cream);
  word-break: break-word;
}

.page-contact .ct-card__val.mono {
  font-size: 15px;
  color: var(--amber);
  letter-spacing: .01em;
}

.page-contact .ct-card__val a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 159, 28, .5);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .ct-card__val a:hover {
  color: var(--sand);
  border-bottom-style: solid;
}

.page-contact .ct-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .ct-card .tag {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 常见场景 ---------- */
.page-contact .ct-sec--alt {
  background: linear-gradient(180deg, rgba(230, 237, 243, .035), rgba(230, 237, 243, 0));
}

.page-contact .ct-scenes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-contact .ct-scene {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: transform .25s var(--ease);
}

.page-contact .ct-scene:hover {
  transform: translateX(4px);
}

.page-contact .ct-scene__no {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--jade);
}

.page-contact .ct-scene__t {
  margin: 0 0 6px;
  font-family: var(--ff-display);
  font-size: 18px;
  font-weight: 700;
}

.page-contact .ct-scene__d {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 咨询范围 ---------- */
.page-contact .ct-scope {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 44px);
}

.page-contact .ct-scope__text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .ct-scope__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .ct-scope__item {
  padding: 16px 18px;
  border-left: 2px solid var(--jade);
  background: linear-gradient(90deg, rgba(46, 196, 182, .08), rgba(46, 196, 182, 0) 74%);
  transition: background .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .ct-scope__item:hover {
  border-color: var(--amber);
  background: linear-gradient(90deg, rgba(255, 159, 28, .1), rgba(255, 159, 28, 0) 74%);
}

.page-contact .ct-scope__item h3 {
  margin: 0 0 7px;
  font-family: var(--ff-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-contact .ct-scope__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 回复节奏 ---------- */
.page-contact .ct-sec--glass {
  background: linear-gradient(180deg, rgba(230, 237, 243, .05), rgba(230, 237, 243, 0));
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-step {
  padding: 20px 0 4px;
  border-top: 1px solid var(--line-strong);
}

.page-contact .ct-step__no {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-contact .ct-step h3 {
  margin: 0 0 8px;
  font-family: var(--ff-display);
  font-size: 18px;
  font-weight: 700;
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 合作与建议（暖砂色块） ---------- */
.page-contact .ct-coop {
  margin-top: clamp(24px, 4vw, 48px);
  padding: clamp(34px, 5vw, 66px) 0;
  background: linear-gradient(122deg, var(--sand) 0%, #cfb896 58%, #c2a880 100%);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 2.6%, 100% 100%, 0 97.4%);
}

.page-contact .ct-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: start;
}

.page-contact .ct-coop__kicker {
  display: inline-block;
  margin: 0;
  padding: 5px 10px;
  border: 1px solid rgba(11, 27, 43, .3);
  border-radius: 2px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-2);
}

.page-contact .ct-coop h2 {
  margin: 14px 0 0;
  font-family: var(--ff-display);
  font-size: clamp(25px, 3.2vw, 37px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .ct-coop__grid > div > p {
  margin: 13px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(11, 27, 43, .78);
}

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

.page-contact .ct-coop__item {
  padding: 17px 19px;
  border: 1px solid rgba(11, 27, 43, .14);
  border-radius: var(--r);
  background: rgba(11, 27, 43, .06);
  transition: transform .25s var(--ease), background .25s var(--ease);
}

.page-contact .ct-coop__item:hover {
  transform: translateY(-3px);
  background: rgba(11, 27, 43, .11);
}

.page-contact .ct-coop__item h3 {
  margin: 0 0 7px;
  font-family: var(--ff-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .ct-coop__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(11, 27, 43, .74);
}

/* ---------- 快速入口 ---------- */
.page-contact .ct-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .ct-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ct-glass);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: transform .2s var(--ease), border-color .2s var(--ease),
              background .2s var(--ease), color .2s var(--ease);
}

.page-contact .ct-next__link > span:last-child {
  font-family: var(--ff-mono);
  font-size: 14px;
  color: var(--text-mute);
  transition: color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .ct-next__link:hover {
  transform: translateY(-2px);
  border-color: rgba(46, 196, 182, .5);
  background: rgba(46, 196, 182, .09);
  color: var(--cream);
}

.page-contact .ct-next__link:hover > span:last-child {
  color: var(--jade);
  transform: translateX(3px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-scope__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .page-contact .ct-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .ct-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }
  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .ct-step {
    padding: 22px clamp(16px, 2.6vw, 30px) 6px 0;
  }
  .page-contact .ct-step + .ct-step {
    padding-left: clamp(16px, 2.6vw, 30px);
    border-left: 1px dashed var(--line);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.2fr .8fr;
    align-items: stretch;
  }
  .page-contact .ct-hero__panel {
    min-height: 470px;
  }
  .page-contact .ct-scope {
    grid-template-columns: .82fr 1.18fr;
  }
  .page-contact .ct-coop__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1120px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.28fr .72fr;
  }
}

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