.page-contact {
  --ct-edge: 1px solid rgba(var(--silver-rgb), .18);
  --ct-edge-strong: 1px solid rgba(var(--silver-rgb), .3);
  --ct-gap: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  background:
    radial-gradient(1100px 500px at 84% -10%, rgba(var(--flame-rgb), .13), transparent 62%),
    radial-gradient(900px 460px at 0% 8%, rgba(var(--night-rgb), .1), transparent 60%),
    var(--ink);
  color: var(--light);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}

.page-contact h2 {
  font-size: clamp(1.45rem, 2.6vw, 2.05rem);
}

.page-contact h3 {
  font-size: clamp(1.12rem, 1.9vw, 1.4rem);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-top: clamp(1.5rem, 4vw, 2.75rem);
  padding-bottom: clamp(2.25rem, 6vw, 4.5rem);
  align-items: center;
}

.page-contact .ct-hero h1 {
  font-size: clamp(2.1rem, 6vw, 4.3rem);
  margin: .45rem 0 0;
}

.page-contact .ct-hero .lede {
  max-width: 44ch;
  margin: 1.1rem 0 0;
  font-size: clamp(1rem, 1.15vw, 1.08rem);
  line-height: 1.8;
  color: rgba(var(--light-rgb), .82);
}

.page-contact .ct-quick {
  display: grid;
  gap: .75rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
}

.page-contact .ct-quick__item {
  display: grid;
  gap: .25rem;
  padding: .95rem 1.05rem;
  text-decoration: none;
  color: var(--light);
  background: rgba(var(--stand-rgb), .92);
  border-left: 3px solid var(--flame);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background-color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .ct-quick__item:nth-child(2) {
  border-left-color: var(--night);
}

.page-contact .ct-quick__item:hover,
.page-contact .ct-quick__item:focus-visible {
  background: var(--stand);
}

.page-contact .ct-quick__label {
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--silver);
}

.page-contact .ct-quick__value {
  font-size: .98rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.page-contact .ct-quick__hint {
  font-size: .82rem;
  color: rgba(var(--light-rgb), .62);
}

.page-contact .ct-hero__figure {
  margin: 0;
}

.page-contact .ct-hero__media {
  overflow: hidden;
  background: var(--stand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  border-left: 3px solid var(--flame);
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05);
}

.page-contact .ct-hero__figure figcaption {
  margin-top: .7rem;
  font-size: .8rem;
  line-height: 1.65;
  color: var(--silver);
}

/* ---------- 主栅格 ---------- */
.page-contact .ct-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3.25rem);
  padding-block: clamp(2rem, 5vw, 3.25rem);
  border-top: var(--ct-edge);
}

/* ---------- 编号与区块头 ---------- */
.page-contact .ct-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.3rem;
  padding: .18rem .38rem;
  font-size: .92rem;
  line-height: 1.3;
  letter-spacing: .04em;
  color: var(--flame);
  border: 1px solid rgba(var(--flame-rgb), .48);
  border-radius: 3px;
  align-self: start;
}

.page-contact .ct-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  align-items: start;
  margin-bottom: 1.1rem;
}

.page-contact .ct-block__sub {
  margin: .5rem 0 0;
  font-size: .92rem;
  line-height: 1.7;
  color: rgba(var(--light-rgb), .66);
  max-width: 46ch;
}

.page-contact .ct-block p {
  max-width: 46ch;
  line-height: 1.8;
  color: rgba(var(--light-rgb), .84);
}

.page-contact .ct-block + .ct-block {
  margin-top: clamp(2.25rem, 6vw, 3.5rem);
  padding-top: clamp(2.25rem, 6vw, 3.5rem);
  border-top: var(--ct-edge);
}

/* ---------- 提交前准备清单 ---------- */
.page-contact .ct-prep {
  counter-reset: prep;
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-contact .ct-prep li {
  counter-increment: prep;
  position: relative;
  padding: .85rem .9rem .85rem 2.4rem;
  font-size: .93rem;
  line-height: 1.7;
  color: rgba(var(--light-rgb), .84);
  background: rgba(var(--stand-rgb), .9);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact .ct-prep li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: .9rem;
  top: .92rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--turf);
  letter-spacing: .02em;
}

/* ---------- 合作方向标签页 ---------- */
.page-contact .ct-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.35rem;
}

.page-contact .ct-tabs__tab {
  font: inherit;
  font-size: .88rem;
  line-height: 1.4;
  padding: .55rem 1.05rem;
  border-radius: var(--pill);
  border: var(--ct-edge-strong);
  background: transparent;
  color: rgba(var(--light-rgb), .76);
  cursor: pointer;
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .ct-tabs__tab:hover {
  color: var(--light);
  border-color: rgba(var(--flame-rgb), .6);
}

.page-contact .ct-tabs__tab[aria-selected="true"] {
  background: var(--flame);
  border-color: var(--flame);
  color: var(--ink);
  font-weight: 700;
}

.page-contact .ct-tabs__tab:focus-visible {
  outline: 2px solid var(--linkblue);
  outline-offset: 3px;
}

.page-contact .ct-panel {
  padding: clamp(1.15rem, 3vw, 1.9rem);
  background: linear-gradient(158deg, rgba(var(--stand-rgb), .96), rgba(var(--ink-rgb), .9));
  border-left: 3px solid var(--night);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .ct-panel[hidden] {
  display: none;
}

.page-contact .ct-panel p {
  max-width: 48ch;
  margin: .75rem 0 0;
  line-height: 1.82;
  color: rgba(var(--light-rgb), .84);
}

.page-contact .ct-panel__label {
  margin-top: 1.3rem !important;
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--flame);
}

.page-contact .ct-panel__list {
  list-style: none;
  margin: .6rem 0 1.4rem;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-contact .ct-panel__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .92rem;
  line-height: 1.72;
  color: rgba(var(--light-rgb), .78);
}

.page-contact .ct-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  background: var(--turf);
  border-radius: 50%;
}

.page-contact .ct-panel a:not(.btn) {
  color: var(--linkblue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系信息卡 ---------- */
.page-contact .ct-side {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-contact .ct-card {
  padding: clamp(1.2rem, 3vw, 1.85rem);
}

.page-contact .ct-card__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  align-items: start;
}

.page-contact .ct-rows {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
}

.page-contact .ct-row {
  display: grid;
  gap: .3rem;
  padding: 1rem 0;
  border-top: var(--ct-edge);
}

.page-contact .ct-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .ct-row__key {
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--silver);
}

.page-contact .ct-row__val {
  font-size: 1rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.page-contact .ct-row__val--text {
  line-height: 1.6;
  font-weight: 600;
}

.page-contact .ct-row__note {
  font-size: .83rem;
  line-height: 1.7;
  color: rgba(var(--light-rgb), .6);
}

.page-contact .ct-link {
  color: var(--linkblue);
  text-decoration: none;
  border-bottom: 1px solid rgba(var(--linkblue), .5);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  color: var(--light);
  border-color: var(--flame);
}

.page-contact .ct-link:focus-visible {
  outline: 2px solid var(--linkblue);
  outline-offset: 3px;
}

/* ---------- 地址示意图 ---------- */
.page-contact .ct-coord {
  margin: 0;
  border: var(--ct-edge);
  background: var(--stand);
}

.page-contact .ct-coord img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .ct-coord figcaption {
  padding: .65rem .8rem;
  font-size: .77rem;
  line-height: 1.6;
  color: var(--silver);
  border-top: var(--ct-edge);
}

/* ---------- 处理流程 ---------- */
.page-contact .ct-response {
  padding-block: clamp(2rem, 5vw, 3.25rem);
  border-top: var(--ct-edge);
}

.page-contact .ct-flow {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(var(--silver-rgb), .16);
  border-top: 2px solid rgba(var(--flame-rgb), .55);
}

.page-contact .ct-flow li {
  display: grid;
  gap: .4rem;
  align-content: start;
  padding: 1.15rem 1.05rem;
  background: var(--ink);
}

.page-contact .ct-flow strong {
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -.01em;
  color: var(--light);
}

.page-contact .ct-flow span {
  font-size: .88rem;
  line-height: 1.72;
  color: rgba(var(--light-rgb), .68);
}

.page-contact .ct-flow a {
  color: var(--linkblue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-response__fine {
  margin: 1.2rem 0 0;
  font-size: .82rem;
  line-height: 1.75;
  color: rgba(var(--light-rgb), .55);
}

.page-contact .ct-response__fine a {
  color: var(--linkblue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 底部反馈带 ---------- */
.page-contact .ct-band {
  margin-top: clamp(2.25rem, 6vw, 3.5rem);
  background:
    linear-gradient(105deg, rgba(var(--flame-rgb), .18), rgba(var(--night-rgb), .2)),
    var(--stand);
  border-top: 1px solid rgba(var(--flame-rgb), .45);
  border-bottom: 1px solid rgba(var(--night-rgb), .4);
}

.page-contact .ct-band__inner {
  display: grid;
  gap: 1.5rem;
  padding-block: clamp(1.75rem, 5vw, 3rem);
  align-items: center;
}

.page-contact .ct-band__eyebrow {
  margin: 0 0 .6rem;
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--flame);
}

.page-contact .ct-band__copy h2 {
  max-width: 22ch;
}

.page-contact .ct-band__copy p {
  max-width: 44ch;
  margin: .8rem 0 0;
  font-size: .94rem;
  line-height: 1.8;
  color: rgba(var(--light-rgb), .8);
}

.page-contact .ct-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- 移动端吸底入口 ---------- */
.page-contact .ct-sticky {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  padding: .72rem 1.1rem;
  font-size: .88rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--flame);
  border-radius: var(--pill);
  text-decoration: none;
  box-shadow: 0 14px 26px -14px rgba(0, 0, 0, .85);
}

.page-contact .ct-sticky:focus-visible {
  outline: 2px solid var(--light);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .ct-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-band__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 2.5rem;
  }

  .page-contact .ct-band__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-contact .ct-side {
    position: sticky;
    top: 7rem;
  }

  .page-contact .ct-sticky {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-quick__item,
  .page-contact .ct-tabs__tab,
  .page-contact .ct-link {
    transition: none;
  }
}
<<<END>>>