.page-contact{
  --c-surface: #0B1220;
  --c-surface-2: #0F1A2B;
  --c-hair: rgba(169, 184, 200, 0.14);
  --c-gap: clamp(40px, 6vw, 80px);
  overflow-x: clip;
  color: var(--text);
  background:
    radial-gradient(720px 420px at 94% 3%, rgba(255, 61, 154, 0.10), transparent 68%),
    radial-gradient(760px 460px at 0% 14%, rgba(62, 242, 224, 0.07), transparent 70%);
}

.page-contact .contact-shell{
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.page-contact h2{
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.24;
  letter-spacing: 0.04em;
  margin: 0.3em 0 0;
  color: #F4F9FF;
}

.page-contact .section-label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--magenta);
}

.page-contact .btn{
  text-decoration: none;
  letter-spacing: 0.04em;
}

/* 面包屑 */
.page-contact .breadcrumbs{
  margin-block: 20px 0;
}
.page-contact .breadcrumbs__list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--ice);
}
.page-contact .breadcrumbs__list a{
  color: var(--cyan);
  text-decoration: none;
}
.page-contact .breadcrumbs__list a:hover{
  color: var(--orange);
}
.page-contact .breadcrumbs__list li + li::before{
  content: "/";
  margin-inline-end: 8px;
  color: rgba(169, 184, 200, 0.45);
}

/* 首屏 */
.page-contact .contact-hero{
  display: grid;
  gap: 32px;
  padding-block: clamp(28px, 4vw, 48px) clamp(40px, 6vw, 76px);
}
.page-contact .contact-hero h1{
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.95rem, 5.4vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: 0.05em;
  margin: 0.32em 0 0;
  color: #F4F9FF;
  text-shadow: 0 0 40px rgba(62, 242, 224, 0.22);
}
.page-contact .contact-hero__lead{
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ice);
}
.page-contact .contact-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block-start: 26px;
}
.page-contact .contact-hero__meta{
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ice);
}
.page-contact .contact-hero__visual{
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: linear-gradient(150deg, var(--grad-a), var(--grad-b));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.page-contact .contact-hero__visual img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.86;
  filter: contrast(1.06) saturate(1.12);
}
.page-contact .contact-hero__visual::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(180deg, rgba(62, 242, 224, 0.08) 0 1px, transparent 1px 4px),
    linear-gradient(115deg, transparent 42%, rgba(255, 122, 26, 0.18) 50%, transparent 58%);
}
.page-contact .contact-hero__tag{
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(7, 11, 20, 0.78);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* 联系卡 */
.page-contact .channels{
  padding-block: clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--c-hair);
}
.page-contact .channels__head{
  max-width: 62ch;
}
.page-contact .channels__grid{
  display: grid;
  gap: 16px;
  margin-block-start: 28px;
}
.page-contact .channel{
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: linear-gradient(160deg, var(--c-surface-2), var(--c-surface) 72%);
  transition: border-color 0.18s var(--ease);
}
.page-contact .channel::before{
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
  opacity: 0.85;
}
.page-contact .channel:hover{
  border-color: rgba(255, 122, 26, 0.5);
}
.page-contact .channel__label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
}
.page-contact .channel__value{
  display: inline-block;
  margin-block-start: 10px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.4vw, 1.6rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.page-contact .channel__value:hover{
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.page-contact .channel__value--tel{
  letter-spacing: 0.06em;
}
.page-contact .channel__hint{
  margin: 10px 0 0;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ice);
}
.page-contact .channel__row{
  margin-block-start: 22px;
  padding-block-start: 20px;
  border-top: 1px dashed var(--c-hair);
}
.page-contact .channel--side{
  background: var(--c-surface);
}
.page-contact .channel__hours{
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.75rem, 6vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--orange);
}
.page-contact .channel__sub{
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ice);
}
.page-contact .channel__list{
  list-style: none;
  margin: 20px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--c-hair);
  display: grid;
  gap: 10px;
}
.page-contact .channel__list li{
  position: relative;
  padding-inline-start: 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ice);
}
.page-contact .channel__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--magenta);
}

/* 咨询主题切换 */
.page-contact .topics{
  padding-block: var(--c-gap);
  border-top: 1px solid var(--c-hair);
}
.page-contact .topics__head{
  max-width: 60ch;
}
.page-contact .topics__lead{
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
}
.page-contact .topic{
  position: relative;
  margin-block-start: 26px;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(14, 22, 38, 0.92), rgba(7, 11, 20, 0.92));
  overflow: hidden;
}
.page-contact .topic__radio{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-contact .topic__tabs{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .topic__tab{
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(62, 242, 224, 0.04);
  color: var(--cyan);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.page-contact .topic__tab:hover{
  border-color: var(--orange);
  color: var(--orange);
}
.page-contact #topic-sub:checked ~ .topic__tabs label[for="topic-sub"],
.page-contact #topic-legacy:checked ~ .topic__tabs label[for="topic-legacy"],
.page-contact #topic-partner:checked ~ .topic__tabs label[for="topic-partner"]{
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04120F;
}
.page-contact #topic-sub:focus-visible ~ .topic__tabs label[for="topic-sub"],
.page-contact #topic-legacy:focus-visible ~ .topic__tabs label[for="topic-legacy"],
.page-contact #topic-partner:focus-visible ~ .topic__tabs label[for="topic-partner"]{
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}
.page-contact .topic__panels{
  margin-block-start: 22px;
}
.page-contact .topic__panel{
  display: none;
}
.page-contact #topic-sub:checked ~ .topic__panels #panel-sub,
.page-contact #topic-legacy:checked ~ .topic__panels #panel-legacy,
.page-contact #topic-partner:checked ~ .topic__panels #panel-partner{
  display: block;
}
.page-contact .topic__panel h3{
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  line-height: 1.42;
  letter-spacing: 0.03em;
  color: #F4F9FF;
}
.page-contact .topic__panel p{
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ice);
}
.page-contact .topic__panel ul{
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-contact .topic__panel li{
  padding: 10px 14px;
  border: 1px solid var(--c-hair);
  border-left: 2px solid var(--cyan);
  border-radius: 0 4px 4px 0;
  background: rgba(62, 242, 224, 0.03);
  font-size: 14px;
  line-height: 1.72;
  color: var(--text);
}

/* 准备清单 */
.page-contact .prep{
  padding-block: var(--c-gap);
  border-top: 1px solid var(--c-hair);
}
.page-contact .prep__intro{
  max-width: 56ch;
}
.page-contact .prep__intro p{
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ice);
}
.page-contact .prep-list{
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .prep-list li{
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--c-hair);
  border-radius: 6px;
  background: var(--c-surface);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.page-contact .prep-list li:hover{
  border-color: var(--line-strong);
}
.page-contact .prep-list li:has(.prep-list__box:checked){
  border-color: rgba(62, 242, 224, 0.45);
  background: rgba(62, 242, 224, 0.06);
}
.page-contact .prep-list__box{
  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: rgba(62, 242, 224, 0.05);
  cursor: pointer;
  transition: background-color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}
.page-contact .prep-list__box:checked{
  background: var(--cyan);
  box-shadow: inset 0 0 0 4px var(--ink), inset 0 0 0 5px var(--cyan);
}
.page-contact .prep-list__box:focus-visible{
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}
.page-contact .prep-list__item{
  display: block;
  cursor: pointer;
}
.page-contact .prep-list__title{
  display: block;
  margin-block-end: 4px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.03em;
  color: #F4F9FF;
}
.page-contact .prep-list__desc{
  display: block;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ice);
}

/* 处理节奏 */
.page-contact .timing{
  display: grid;
  gap: 28px;
  padding-block: var(--c-gap);
  border-top: 1px solid var(--c-hair);
}
.page-contact .timing__figure{
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
  background: linear-gradient(200deg, var(--grad-b), var(--grad-a));
}
.page-contact .timing__figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.85;
  filter: contrast(1.05) saturate(1.05);
}
.page-contact .timing__figure::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(190deg, rgba(7, 11, 20, 0.6), transparent 58%);
}
.page-contact .timing__body > p{
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ice);
}
.page-contact .timing__steps{
  list-style: none;
  counter-reset: step;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-contact .timing__steps li{
  position: relative;
  min-height: 30px;
  padding-inline-start: 44px;
}
.page-contact .timing__steps li::before{
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.page-contact .timing__steps strong{
  display: block;
  margin-block-end: 3px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: #F4F9FF;
}
.page-contact .timing__steps span{
  display: block;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ice);
}

/* 地址与见面 */
.page-contact .remote{
  padding-block: var(--c-gap);
  border-top: 1px solid var(--c-hair);
}
.page-contact .remote__card{
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 6px;
  background:
    radial-gradient(520px 240px at 100% 0%, rgba(255, 61, 154, 0.12), transparent 70%),
    linear-gradient(160deg, var(--c-surface-2), var(--c-surface));
}
.page-contact .remote__card::after{
  content: "";
  position: absolute;
  right: -46px;
  bottom: -46px;
  width: 220px;
  height: 220px;
  border: 1px solid var(--line-strong);
  transform: rotate(24deg);
  pointer-events: none;
}
.page-contact .remote__lead{
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ice);
}
.page-contact .remote__address{
  display: block;
  margin-block-start: 20px;
  padding: 14px 18px;
  border-left: 3px solid var(--orange);
  border-radius: 0 4px 4px 0;
  background: rgba(255, 122, 26, 0.08);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text);
}
.page-contact .remote__note{
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 13px;
  line-height: 1.76;
  color: var(--ice);
}

/* 收尾 */
.page-contact .contact-close{
  margin-block-start: clamp(16px, 3vw, 32px);
  padding-block: clamp(56px, 9vw, 120px);
  border-top: 1px solid var(--c-hair);
  text-align: center;
  background: radial-gradient(620px 320px at 50% 100%, rgba(62, 242, 224, 0.10), transparent 72%);
}
.page-contact .contact-close h2{
  font-size: clamp(1.6rem, 4.2vw, 2.6rem);
}
.page-contact .contact-close__lead{
  margin: 14px auto 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ice);
}
.page-contact .contact-close .btn{
  margin-block-start: 26px;
}
.page-contact .contact-close__links{
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 2;
  color: var(--ice);
}
.page-contact .contact-close__links a{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 242, 224, 0.35);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.page-contact .contact-close__links a:hover{
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 响应式 */
@media (min-width: 640px){
  .page-contact .prep-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 940px){
  .page-contact .contact-hero{
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
  }
  .page-contact .contact-hero__visual{
    clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
  }
  .page-contact .channels__grid{
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: stretch;
  }
  .page-contact .prep{
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
  }
  .page-contact .prep-list{
    margin-block-start: 4px;
  }
  .page-contact .timing{
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(30px, 5vw, 64px);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact *{
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>