.page-contact {
  --ct-gutter: clamp(16px, 4vw, 40px);
  --ct-gap: clamp(20px, 3vw, 36px);
  --ct-section-y: clamp(44px, 6vw, 84px);
  position: relative;
  overflow-x: clip;
  padding-top: clamp(56px, 9vw, 104px);
  padding-bottom: clamp(40px, 6vw, 72px);
  background:
    radial-gradient(90% 55% at 88% -8%, rgba(47, 227, 224, 0.12), transparent 62%),
    radial-gradient(70% 42% at 2% 6%, rgba(77, 124, 254, 0.1), transparent 66%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
}

.page-contact .ct-inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--ct-gutter);
}

.page-contact .ct-crumbs {
  padding-bottom: clamp(12px, 2vw, 20px);
}

.page-contact .ct-section {
  position: relative;
  padding-block: var(--ct-section-y);
}

.page-contact .ct-section + .ct-section::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline: var(--ct-gutter);
  height: 1px;
  background: linear-gradient(90deg, var(--line) 0 58%, transparent 58%);
}

.page-contact .ct-index {
  display: inline-block;
  min-width: 2.4em;
  margin-inline-end: 10px;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.82em;
  letter-spacing: 0.14em;
}

.page-contact .ct-head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-contact .ct-head__title {
  margin: 8px 0 14px;
  font-size: clamp(25px, 4vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--bright);
}

.page-contact .ct-head__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-block: clamp(8px, 2vw, 24px) var(--ct-section-y);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-contact .ct-hero__title {
  margin: 10px 0 20px;
  font-size: clamp(38px, 8.6vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--bright);
}

.page-contact .ct-hero__mark {
  display: block;
  margin-top: 0.08em;
  font-family: var(--font-cond);
  font-size: 0.68em;
  letter-spacing: 0.03em;
  color: var(--lime);
  transform: skewX(-8deg);
  transform-origin: left bottom;
  padding-bottom: 0.06em;
}

.page-contact .ct-hero__lead {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

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

.page-contact .ct-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .ct-hero__figure::after {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: clamp(44px, 8vw, 72px);
  height: clamp(44px, 8vw, 72px);
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
  pointer-events: none;
}

.page-contact .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  background: var(--raised);
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-contact {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-contact .ct-contact__main {
  background: var(--panel);
  padding: clamp(22px, 3.4vw, 40px);
}

.page-contact .ct-contact__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .ct-contact__mail,
.page-contact .ct-contact__tel {
  display: block;
  margin: 8px 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: clamp(19px, 4.1vw, 38px);
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--bright);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .ct-contact__mail:hover,
.page-contact .ct-contact__tel:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .ct-contact__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 52ch;
}

.page-contact .ct-contact__side {
  background: var(--raised);
  display: grid;
  gap: 0;
}

.page-contact .ct-contact__row {
  padding: clamp(16px, 2.4vw, 22px) clamp(20px, 3.4vw, 32px);
  border-block-end: 1px solid var(--line);
}

.page-contact .ct-contact__row:last-child {
  border-block-end: 0;
}

.page-contact .ct-contact__k {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .ct-contact__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--bright);
}

/* ---------- 提交前请准备 ---------- */
.page-contact .ct-prep-list {
  display: grid;
  gap: 10px;
}

.page-contact .ct-prep {
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-contact .ct-prep[open] {
  border-color: rgba(47, 227, 224, 0.42);
  background: var(--raised);
}

.page-contact .ct-prep__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: clamp(15px, 2.4vw, 20px) clamp(16px, 2.6vw, 26px);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-prep__num {
  font-size: 12px;
  color: var(--lime);
  letter-spacing: 0.12em;
}

.page-contact .ct-prep__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--bright);
}

.page-contact .ct-prep__meta {
  margin-inline-start: auto;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .ct-prep__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .ct-prep[open] .ct-prep__summary::after {
  content: "–";
  color: var(--lime);
}

.page-contact .ct-prep__list {
  margin: 0;
  padding: 0 clamp(16px, 2.6vw, 26px) clamp(18px, 2.6vw, 24px) clamp(34px, 5vw, 54px);
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-prep__list li {
  position: relative;
  padding-inline-start: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .ct-prep__list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 问题分类 ---------- */
.page-contact .ct-routes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-routes__link {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px 18px;
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--panel);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: background 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-contact .ct-routes__link:hover {
  background: var(--raised);
  border-color: var(--cyan);
}

.page-contact .ct-routes__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
  padding-top: 0.25em;
}

.page-contact .ct-routes__body {
  flex: 1 1 240px;
  min-width: 0;
  display: grid;
  gap: 6px;
}

.page-contact .ct-routes__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--bright);
  letter-spacing: -0.01em;
}

.page-contact .ct-routes__desc {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-routes__go {
  flex: 0 0 auto;
  align-self: center;
  margin-inline-start: auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 服务时间 ---------- */
.page-contact .ct-hours__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .ct-hours__lead {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
  max-width: 56ch;
}

.page-contact .ct-hours__scale {
  position: relative;
  height: clamp(48px, 8vw, 68px);
  border: 1px solid var(--line);
  border-inline-start: 2px solid var(--cyan);
  background:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 11.111%),
    linear-gradient(180deg, rgba(47, 227, 224, 0.16), rgba(47, 227, 224, 0.02));
}

.page-contact .ct-hours__scale::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--lime));
}

.page-contact .ct-hours__legend {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .ct-hours__legend span:nth-child(2) {
  color: var(--lime);
}

.page-contact .ct-hours__facts {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-hours__facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-block: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .ct-hours__fact-num {
  flex: 0 0 auto;
  min-width: 1.6em;
  font-size: 24px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .ct-hours__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .ct-hours__figure .media-frame__img {
  aspect-ratio: 1 / 1;
}

/* ---------- 合作与供稿 ---------- */
.page-contact .ct-partner {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-contact .ct-partner__text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
  max-width: 60ch;
}

.page-contact .ct-partner__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 224, 0.45);
}

.page-contact .ct-partner__text a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .ct-partner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

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

.page-contact .ct-partner__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-block: clamp(14px, 2.4vw, 20px);
  border-block-end: 1px solid var(--line);
}

.page-contact .ct-partner__num {
  flex: 0 0 auto;
  width: 1.8em;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--magenta);
}

.page-contact .ct-partner__body {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 延伸入口 ---------- */
.page-contact .ct-outro {
  padding-block: clamp(30px, 4vw, 48px) 0;
}

.page-contact .ct-outro__inner {
  display: grid;
  gap: 18px;
  padding-block: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
  align-items: center;
}

.page-contact .ct-outro__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 78ch;
}

.page-contact .ct-outro__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 224, 0.45);
}

.page-contact .ct-outro__text a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-contact__main {
    padding: clamp(28px, 3.6vw, 42px);
  }

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

  .page-contact .ct-contact__row:nth-last-child(-n + 2) {
    border-block-end: 0;
  }

  .page-contact .ct-outro__inner {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .ct-contact {
    grid-template-columns: 7fr 4fr;
  }

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

  .page-contact .ct-contact__row {
    border-block-end: 1px solid var(--line);
  }

  .page-contact .ct-contact__row:last-child {
    border-block-end: 0;
  }

  .page-contact .ct-routes {
    gap: 12px;
  }

  .page-contact .ct-routes__item:nth-child(even) .ct-routes__link {
    margin-inline-start: clamp(28px, 6vw, 92px);
  }

  .page-contact .ct-hours__grid {
    grid-template-columns: 7fr 4fr;
  }

  .page-contact .ct-partner {
    grid-template-columns: 6fr 5fr;
  }

  .page-contact .ct-partner__list {
    margin-top: 0.8em;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-hero__title {
    font-size: clamp(72px, 7.4vw, 112px);
  }

  .page-contact .ct-contact__mail,
  .page-contact .ct-contact__tel {
    font-size: clamp(26px, 2.8vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-routes__link,
  .page-contact .ct-prep,
  .page-contact .ct-contact__mail,
  .page-contact .ct-contact__tel {
    transition: none;
  }
}
<<<END>>>