.page-contact {
  --ct-gap: clamp(1.25rem, 3vw, 2.5rem);
  --ct-radius: 14px;
  color: var(--text);
  overflow-x: clip;
}

.page-contact .ct-crumbs {
  padding-top: 1rem;
  padding-bottom: .25rem;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(1.75rem, 5vw, 3.75rem) 0 clamp(2.25rem, 6vw, 4.5rem);
  background:
    radial-gradient(120% 80% at 88% -10%, rgba(27, 107, 255, .22), transparent 62%),
    radial-gradient(80% 60% at 4% 110%, rgba(255, 61, 174, .10), transparent 70%),
    linear-gradient(180deg, rgba(17, 26, 46, .75), rgba(8, 11, 18, 0));
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  position: relative;
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-hero__frame {
  position: relative;
  border: 1px solid var(--line);
  border-top-color: rgba(49, 215, 255, .5);
  background: rgba(8, 11, 18, .6);
  padding: clamp(1.35rem, 4vw, 2.75rem);
}

.page-contact .ct-hero__corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--cyan);
}

.page-contact .ct-hero__corner--tl {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .ct-hero__corner--br {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
  border-color: var(--magenta);
}

.page-contact .ct-hero__eyebrow {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .ct-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2rem, 7.5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -.04em;
  color: #fff;
}

.page-contact .ct-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 46ch;
  font-size: clamp(.98rem, 1.5vw, 1.08rem);
  line-height: 1.85;
  color: var(--text);
}

.page-contact .ct-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 1.75rem 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-hero__facts > div {
  padding: .85rem .9rem;
  background: rgba(8, 11, 18, .72);
}

.page-contact .ct-hero__facts dt {
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--text-dim);
}

.page-contact .ct-hero__facts dd {
  margin: .4rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 4vw, 1.7rem);
  color: #fff;
}

.page-contact .ct-hero__facts dd span {
  margin-left: .2rem;
  font-size: .76rem;
  color: var(--cyan);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.page-contact .ct-hero__side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-contact .ct-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin: 0;
  padding: .8rem 1rem;
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-size: .85rem;
}

.page-contact .ct-status__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(124, 255, 107, .16);
  flex: none;
  animation: ct-pulse 2.6s ease-in-out infinite;
}

@keyframes ct-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(124, 255, 107, .16); }
  50% { box-shadow: 0 0 0 8px rgba(124, 255, 107, .04); }
}

.page-contact .ct-status__text {
  color: #fff;
  font-weight: 600;
}

.page-contact .ct-status__time {
  margin-left: auto;
  font-size: .76rem;
  color: var(--cyan);
  letter-spacing: .08em;
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(17, 26, 46, .55);
  padding: .75rem;
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-hero__figure figcaption {
  margin-top: .7rem;
  font-family: var(--font-serif);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 章节通用 ---------- */
.page-contact .ct-sec {
  position: relative;
  padding: clamp(2.25rem, 6vw, 4.25rem) 0;
  --ct-band: var(--blue);
}

.page-contact .ct-sec::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--ct-band) 0 130px, var(--line) 130px 100%);
}

.page-contact .ct-sec--dirs { --ct-band: var(--cyan); }
.page-contact .ct-sec--flow { --ct-band: var(--green); }
.page-contact .ct-sec--contact { --ct-band: var(--magenta); }
.page-contact .ct-sec--consult { --ct-band: var(--cyan); }
.page-contact .ct-sec--hours { --ct-band: var(--blue); }
.page-contact .ct-sec--faq { --ct-band: var(--green); }

.page-contact .ct-sec__head {
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .ct-sec__index {
  display: inline-block;
  margin: 0;
  padding-bottom: .35rem;
  border-bottom: 2px solid currentColor;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--ct-band);
}

.page-contact .ct-sec__title {
  margin: .85rem 0 .5rem;
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 4.6vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -.03em;
  color: #fff;
}

.page-contact .ct-sec__note {
  margin: 0;
  font-family: var(--font-serif);
  font-size: .9rem;
  letter-spacing: .02em;
  color: var(--text-dim);
}

/* ---------- 01 合作方向 ---------- */
.page-contact .ct-dirs {
  display: grid;
  gap: 1.5rem;
}

.page-contact .ct-dirs__index ol {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-dirs__index a {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .8rem;
  border: 1px solid var(--line);
  color: var(--text-dim);
  text-decoration: none;
  font-size: .88rem;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-contact .ct-dirs__index a .mono {
  font-size: .72rem;
  color: var(--cyan);
}

.page-contact .ct-dirs__index a:hover,
.page-contact .ct-dirs__index a:focus-visible {
  color: #fff;
  border-color: rgba(49, 215, 255, .55);
  background: rgba(49, 215, 255, .08);
}

.page-contact .ct-dir {
  position: relative;
  overflow: hidden;
  padding: clamp(1.15rem, 3.5vw, 1.9rem);
  padding-left: clamp(1.35rem, 4vw, 2.1rem);
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  background: linear-gradient(160deg, rgba(17, 26, 46, .92), rgba(8, 11, 18, .78));
  scroll-margin-top: calc(var(--bar-h) + 1.25rem);
  --ct-accent: var(--blue);
}

.page-contact .ct-dir + .ct-dir {
  margin-top: 1rem;
}

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

.page-contact .ct-dir:nth-of-type(1) { --ct-accent: var(--blue); }
.page-contact .ct-dir:nth-of-type(2) { --ct-accent: var(--cyan); }
.page-contact .ct-dir:nth-of-type(3) { --ct-accent: var(--magenta); }
.page-contact .ct-dir:nth-of-type(4) { --ct-accent: var(--blue); }
.page-contact .ct-dir:nth-of-type(5) { --ct-accent: var(--green); }

.page-contact .ct-dir__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
  margin-bottom: .75rem;
}

.page-contact .ct-dir__title {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 3vw, 1.3rem);
  letter-spacing: -.01em;
  color: #fff;
}

.page-contact .ct-dir__no {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--ct-accent);
}

.page-contact .ct-dir__text {
  margin: 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .ct-dir__points {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
  border-top: 1px dashed var(--line);
  padding-top: 1rem;
}

.page-contact .ct-dir__points li {
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-dir__k {
  display: inline-block;
  min-width: 3.2em;
  margin-right: .5rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--ct-accent);
}

/* ---------- 02 合作流程 ---------- */
.page-contact .ct-flow {
  display: grid;
  gap: 1.75rem;
}

.page-contact .ct-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-steps::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--blue) 55%, transparent);
}

.page-contact .ct-steps__item {
  position: relative;
  padding-left: 3.25rem;
}

.page-contact .ct-steps__item + .ct-steps__item {
  margin-top: .85rem;
}

.page-contact .ct-steps__no {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1px solid rgba(49, 215, 255, .55);
  color: var(--cyan);
  font-size: .74rem;
  letter-spacing: .04em;
}

.page-contact .ct-step {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(17, 26, 46, .6);
  transition: border-color .22s ease, background-color .22s ease;
}

.page-contact .ct-step[open] {
  border-color: rgba(49, 215, 255, .4);
  background: rgba(17, 26, 46, .85);
}

.page-contact .ct-step__summary {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .85rem 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 1.02rem;
  color: #fff;
}

.page-contact .ct-step__summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-step__chev {
  position: relative;
  width: 12px;
  height: 12px;
  margin-left: auto;
  flex: none;
}

.page-contact .ct-step__chev::before,
.page-contact .ct-step__chev::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-contact .ct-step__chev::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-contact .ct-step__chev::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
  transition: transform .2s ease, opacity .2s ease;
}

.page-contact .ct-step[open] .ct-step__chev::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .ct-step__body {
  padding: 0 1rem 1rem;
}

.page-contact .ct-step__body p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .ct-flow__aside {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-contact .ct-flow__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(27, 107, 255, .18), rgba(8, 11, 18, .9));
}

.page-contact .ct-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-flow__tip {
  padding: 1rem 1.15rem;
}

.page-contact .ct-flow__tip-label {
  margin: 0 0 .4rem;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--green);
}

.page-contact .ct-flow__tip p:last-child {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 03 联系渠道 ---------- */
.page-contact .ct-contact {
  display: grid;
  gap: 1.5rem;
}

.page-contact .ct-contact__card {
  position: relative;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border-radius: 6px;
  background-color: var(--paper);
  background-image: repeating-linear-gradient(0deg, rgba(8, 11, 18, .045) 0 1px, transparent 1px 32px);
  color: #171c27;
  box-shadow: 0 26px 60px rgba(0, 0, 0, .5);
}

.page-contact .ct-contact__label {
  margin: 0 0 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 2px solid #171c27;
  font-size: .72rem;
  letter-spacing: .18em;
  color: #5c5445;
}

.page-contact .ct-contact__list {
  margin: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .ct-contact__row {
  display: grid;
  gap: .3rem;
}

.page-contact .ct-contact__row dt {
  font-family: var(--font-serif);
  font-size: .8rem;
  letter-spacing: .1em;
  color: #6d6455;
}

.page-contact .ct-contact__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
  font-size: .98rem;
  line-height: 1.7;
  color: #171c27;
  word-break: break-word;
}

.page-contact .ct-contact__mail,
.page-contact .ct-contact__tel {
  color: #1146b8;
  text-decoration: none;
  border-bottom: 1px solid rgba(17, 70, 184, .35);
  font-family: var(--font-mono);
  font-size: .92rem;
}

.page-contact .ct-contact__mail:hover,
.page-contact .ct-contact__tel:hover,
.page-contact .ct-contact__mail:focus-visible,
.page-contact .ct-contact__tel:focus-visible {
  border-bottom-color: #1146b8;
}

.page-contact .ct-contact__copy {
  flex: none;
}

.page-contact .ct-contact__actions {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px dashed rgba(23, 28, 39, .25);
}

.page-contact .ct-contact__aside {
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--magenta);
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-contact .ct-contact__aside-title {
  margin: 0 0 .7rem;
  font-family: var(--font-head);
  font-size: 1.12rem;
  color: #fff;
}

.page-contact .ct-contact__aside p {
  margin: 0 0 1rem;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .ct-contact__checks {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .55rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.page-contact .ct-contact__checks li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-contact__checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--magenta);
}

.page-contact .ct-contact__aside-note {
  margin: 0 !important;
  font-family: var(--font-serif);
  font-size: .85rem !important;
  color: var(--text-dim) !important;
}

.page-contact .ct-contact__aside-note a {
  color: var(--cyan);
}

/* ---------- 04 数据咨询 ---------- */
.page-contact .ct-consult {
  display: grid;
  gap: 1.75rem;
}

.page-contact .ct-consult__intro p {
  margin: 0 0 1rem;
  font-size: .96rem;
  line-height: 1.9;
  color: var(--text);
}

.page-contact .ct-consult__intro a {
  color: var(--cyan);
}

.page-contact .ct-consult__mono {
  display: inline-block;
  margin: 0 !important;
  padding: .7rem .95rem;
  border: 1px dashed rgba(49, 215, 255, .45);
  background: rgba(49, 215, 255, .06);
  font-size: .78rem !important;
  letter-spacing: .06em;
  color: var(--cyan) !important;
  word-break: break-word;
}

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

.page-contact .ct-consult__item {
  position: relative;
  padding: 1.15rem 1.2rem 1.25rem;
  background: rgba(11, 16, 28, .92);
}

.page-contact .ct-consult__no {
  display: block;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--green);
  margin-bottom: .5rem;
}

.page-contact .ct-consult__item h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-head);
  font-size: 1.02rem;
  color: #fff;
}

.page-contact .ct-consult__item p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 05 服务时间 ---------- */
.page-contact .ct-hours {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hours__row {
  display: grid;
  gap: .5rem;
  padding: 1rem .25rem;
  background: rgba(8, 11, 18, .6);
}

.page-contact .ct-hours__time {
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .ct-hours__what {
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .ct-hours__what strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1rem;
  color: #fff;
  margin-bottom: .25rem;
}

.page-contact .ct-hours__row .tag {
  justify-self: start;
}

.page-contact .ct-hours__foot {
  margin: 1.25rem 0 0;
  font-family: var(--font-serif);
  font-size: .88rem;
  color: var(--text-dim);
}

/* ---------- 06 常见问题 ---------- */
.page-contact .ct-faq {
  display: grid;
  gap: .6rem;
  align-items: start;
}

.page-contact .ct-faq__item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(17, 26, 46, .55);
  transition: border-color .2s ease, background-color .2s ease;
}

.page-contact .ct-faq__item[open] {
  border-color: rgba(124, 255, 107, .4);
  background: rgba(17, 26, 46, .85);
}

.page-contact .ct-faq__item summary {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .95rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: .98rem;
  color: #fff;
}

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

.page-contact .ct-faq__chev {
  position: relative;
  width: 10px;
  height: 10px;
  margin-left: auto;
  flex: none;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .2s ease;
}

.page-contact .ct-faq__item[open] .ct-faq__chev {
  transform: rotate(-135deg) translate(-3px, -3px);
}

.page-contact .ct-faq__body {
  padding: 0 1.1rem 1.1rem;
}

.page-contact .ct-faq__body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .ct-faq__body a {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-hours__row {
    grid-template-columns: 10rem 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem .5rem;
  }

  .page-contact .ct-hours__row .tag {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.12fr .88fr;
    align-items: start;
    gap: clamp(1.5rem, 3vw, 2.75rem);
  }

  .page-contact .ct-flow {
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
    gap: 2.25rem;
  }

  .page-contact .ct-consult {
    grid-template-columns: .95fr 1.05fr;
    align-items: start;
    gap: 2.25rem;
  }

  .page-contact .ct-contact {
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
    gap: 2rem;
  }

  .page-contact .ct-faq {
    grid-template-columns: 1fr 1fr;
    gap: .85rem 1rem;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-dirs {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-contact .ct-dirs__index ol {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-left: 1px solid var(--line);
  }

  .page-contact .ct-dirs__index a {
    border: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: .6rem .9rem;
    font-size: .92rem;
  }

  .page-contact .ct-dirs__index a:hover,
  .page-contact .ct-dirs__index a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(49, 215, 255, .07);
  }

  .page-contact .ct-dirs__index {
    position: sticky;
    top: calc(var(--bar-h) + 1.5rem);
  }
}

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

  .page-contact .ct-step,
  .page-contact .ct-faq__item,
  .page-contact .ct-dirs__index a,
  .page-contact .ct-step__chev::after,
  .page-contact .ct-faq__chev {
    transition: none;
  }
}
</main>