.page-contact {
  --ct-line: rgba(25, 245, 198, .2);
  --ct-line-soft: rgba(25, 245, 198, .1);
  --ct-amber-line: rgba(255, 122, 47, .45);
  --ct-amber-soft: rgba(255, 122, 47, .18);
  display: block;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--bone);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 clamp(40px, 7vw, 76px);
  background:
    radial-gradient(88% 70% at 88% 2%, rgba(25, 245, 198, .14), transparent 62%),
    radial-gradient(72% 62% at 0% 100%, rgba(11, 74, 60, .55), transparent 72%),
    var(--ink);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(25, 245, 198, .07) 0 1px, transparent 1px 52px);
  -webkit-mask-image: linear-gradient(90deg, transparent 42%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 42%, #000 100%);
  pointer-events: none;
}

.page-contact .ct-hero__shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  align-items: center;
}

.page-contact .ct-hero .breadcrumb {
  margin: 0 0 20px;
  font-size: 13px;
  color: var(--grey);
}

.page-contact .ct-hero .breadcrumb a {
  color: var(--grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .ct-hero .breadcrumb a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-contact .ct-eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 15px 6px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--lime);
  background: rgba(201, 255, 94, .08);
  border: 1px solid rgba(201, 255, 94, .3);
  clip-path: polygon(0 0, 100% 0, 100% 68%, calc(100% - 9px) 100%, 0 100%);
}

.page-contact .ct-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.04;
  letter-spacing: -.022em;
  font-weight: 900;
  color: var(--bone);
}

.page-contact .ct-hero__lede {
  margin: 0 0 26px;
  max-width: 36em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--grey);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 1px solid var(--ct-line);
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  overflow: hidden;
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.85) contrast(1.06);
}

/* ---------- 章节骨架 ---------- */

.page-contact .ct-section {
  position: relative;
  padding: clamp(52px, 8.5vw, 100px) 0;
}

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

.page-contact .ct-section--flow {
  background: linear-gradient(180deg, transparent, rgba(11, 74, 60, .3) 16%, rgba(11, 74, 60, .3) 84%, transparent);
}

.page-contact .ct-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .ct-index {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--neon);
}

.page-contact .ct-head h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.14;
  letter-spacing: -.016em;
  font-weight: 900;
  color: var(--bone);
}

.page-contact .ct-head p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--grey);
}

.page-contact .ct-head p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-head a {
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid var(--neon);
}

.page-contact .ct-head a:hover {
  color: var(--neon);
}

/* ---------- 使用场景 ---------- */

.page-contact .ct-value {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact .ct-value__lead {
  padding: 26px 22px 28px;
  background: var(--ink-2);
  border: 1px solid var(--ct-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .ct-value__lead p {
  margin: 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--bone);
}

.page-contact .ct-value__lead a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 245, 198, .5);
}

.page-contact .ct-value__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-value__list li {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 16px 0 16px 28px;
  border-top: 1px solid var(--ct-line-soft);
}

.page-contact .ct-value__list li:last-child {
  border-bottom: 1px solid var(--ct-line-soft);
}

.page-contact .ct-value__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25px;
  width: 14px;
  height: 1px;
  background: var(--neon);
}

.page-contact .ct-value__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--lime);
}

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

/* ---------- 流程示意与四步轨道 ---------- */

.page-contact .ct-flowmap {
  margin: 0 0 clamp(30px, 4.6vw, 54px);
}

.page-contact .ct-flowmap img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--ct-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .ct-flowmap figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--grey);
}

.page-contact .ct-track {
  position: relative;
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-contact .ct-track::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--neon) 0%, rgba(25, 245, 198, .34) 45%, rgba(11, 74, 60, .22) 100%);
  opacity: .75;
  pointer-events: none;
}

.page-contact .ct-step {
  position: relative;
  padding-left: 68px;
}

.page-contact .ct-step__mark {
  position: absolute;
  left: 0;
  top: 18px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--ink-2);
  border: 1px solid var(--ct-line);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--neon);
}

.page-contact .ct-step__body {
  padding: 20px 20px 22px;
  background: linear-gradient(140deg, rgba(7, 51, 42, .95) 0%, rgba(11, 74, 60, .5) 100%);
  border: 1px solid var(--ct-line);
  border-left: 3px solid rgba(25, 245, 198, .55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .ct-step__body h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 800;
  color: var(--bone);
}

.page-contact .ct-step__body > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--grey);
}

.page-contact .ct-step__more {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--ct-line);
}

.page-contact .ct-step__more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lime);
}

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

.page-contact .ct-step__more summary::before {
  content: "+";
  font-size: 14px;
  line-height: 1;
  color: var(--amber);
}

.page-contact .ct-step__more[open] summary::before {
  content: "–";
}

.page-contact .ct-step__more ul {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 交付格式 ---------- */

.page-contact .ct-formats {
  display: grid;
  gap: 18px;
}

.page-contact .ct-format {
  padding: 26px 24px 30px;
  background: rgba(7, 51, 42, .72);
  border: 1px solid var(--ct-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .ct-format__tag {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .ct-format h3 {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 21px);
  font-weight: 700;
  color: var(--bone);
}

.page-contact .ct-format p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--grey);
}

.page-contact .ct-lead-time {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin-top: clamp(20px, 3vw, 32px);
  padding: 22px 24px;
  background: linear-gradient(90deg, rgba(255, 122, 47, .16), rgba(255, 122, 47, .02) 72%);
  border: 1px solid var(--ct-amber-line);
  border-left-width: 4px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-contact .ct-lead-time__num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 5.4vw, 48px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-lead-time p {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone);
}

.page-contact .ct-lead-time strong {
  font-weight: 800;
  color: var(--amber);
}

/* ---------- 媒体与社团 ---------- */

.page-contact .ct-partners {
  display: grid;
  gap: 18px;
}

.page-contact .ct-partner {
  padding: 24px 22px 28px;
  background: rgba(7, 51, 42, .6);
  border: 1px solid var(--ct-line);
  border-top: 3px solid var(--neon);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .ct-partner:nth-child(2) {
  border-top-color: var(--lime);
}

.page-contact .ct-partner h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.4vw, 21px);
  font-weight: 800;
  color: var(--bone);
}

.page-contact .ct-partner p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--grey);
}

.page-contact .ct-partner-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: clamp(20px, 3vw, 30px);
  padding: 18px 22px;
  border: 1px dashed rgba(201, 255, 94, .35);
  background: rgba(201, 255, 94, .05);
}

.page-contact .ct-partner-band p {
  margin: 0;
  flex: 1 1 260px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bone);
}

/* ---------- 联系方式 ---------- */

.page-contact .ct-contact-grid {
  display: grid;
  gap: 18px;
}

.page-contact .ct-card--contact {
  padding: 24px 22px 26px;
  background: linear-gradient(158deg, rgba(255, 122, 47, .12), rgba(4, 33, 28, .92) 64%);
  border: 1px solid var(--ct-amber-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .ct-line {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(255, 122, 47, .24);
}

.page-contact .ct-line:first-child {
  padding-top: 4px;
}

.page-contact .ct-line:last-child {
  padding-bottom: 4px;
  border-bottom: 0;
}

.page-contact .ct-line__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--grey);
}

.page-contact .ct-line__v {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 19px);
  line-height: 1.5;
  color: var(--bone);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .ct-card--note {
  padding: 24px 22px 26px;
  background: rgba(7, 51, 42, .55);
  border: 1px solid var(--ct-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .ct-card--note h3 {
  margin: 0 0 14px;
  font-size: clamp(18px, 2.4vw, 21px);
  font-weight: 800;
  color: var(--bone);
}

.page-contact .ct-note-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-note-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--grey);
}

.page-contact .ct-note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 1px;
  background: var(--lime);
}

.page-contact .ct-note-list a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 245, 198, .5);
}

/* ---------- 本地协作 ---------- */

.page-contact .ct-local {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 9vw, 104px);
}

.page-contact .ct-local::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(25, 245, 198, .06) 0 1px, transparent 1px 36px),
    repeating-linear-gradient(90deg, rgba(25, 245, 198, .06) 0 1px, transparent 1px 36px),
    radial-gradient(56% 72% at 76% 34%, rgba(25, 245, 198, .1), transparent 72%);
  -webkit-mask-image: radial-gradient(72% 84% at 68% 42%, #000, transparent 80%);
  mask-image: radial-gradient(72% 84% at 68% 42%, #000, transparent 80%);
  pointer-events: none;
}

.page-contact .ct-local__inner {
  position: relative;
  z-index: 1;
}

.page-contact .ct-local .ct-head {
  margin-bottom: 0;
}

/* ---------- 断点 ---------- */

@media (max-width: 599px) {
  .page-contact .ct-track::before {
    display: none;
  }

  .page-contact .ct-step {
    padding-left: 0;
    padding-top: 60px;
  }

  .page-contact .ct-step__mark {
    top: 0;
  }

  .page-contact .ct-value__list li {
    padding-left: 22px;
  }
}

@media (min-width: 600px) {
  .page-contact .ct-value__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-contact .ct-value__list li:nth-child(2) {
    border-top: 1px solid var(--ct-line-soft);
  }
}

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

  .page-contact .ct-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .ct-contact-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-value {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-contact .ct-value__list {
    grid-template-columns: minmax(0, 1fr);
    column-gap: 0;
  }

  .page-contact .ct-step__body {
    padding-right: 30px;
  }

  .page-contact .ct-step:nth-child(1) .ct-step__body {
    padding-bottom: 22px;
  }

  .page-contact .ct-step:nth-child(2) .ct-step__body {
    padding-bottom: 28px;
  }

  .page-contact .ct-step:nth-child(3) .ct-step__body {
    padding-bottom: 34px;
  }

  .page-contact .ct-step:nth-child(4) .ct-step__body {
    padding-bottom: 40px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__shell {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-hero::after {
    background-image: none;
  }
}
<<<END>>>