.page-contact {
  background: var(--ink);
  color: var(--slate);
  overflow-x: hidden;
}

.page-contact .ct-hero {
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(2rem, 5vw, 4rem);
  border-bottom: var(--frame) solid var(--line-strong);
  position: relative;
  background:
    linear-gradient(180deg, rgba(27, 58, 46, 0.45) 0%, rgba(11, 15, 13, 0) 62%),
    var(--ink);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-hero__lede {
  min-width: 0;
}

.page-contact .breadcrumbs {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--mist);
  margin-bottom: clamp(1rem, 2.5vw, 1.75rem);
}

.page-contact .breadcrumbs a {
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--lava-soft);
  border-bottom-color: var(--lava);
}

.page-contact .ct-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cool);
  margin-bottom: 0.85rem;
}

.page-contact .ct-hero__eyebrow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  padding: 0.15rem 0.4rem;
  background: var(--lava);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0;
}

.page-contact .ct-hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-72);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.01em;
  color: var(--slate);
  margin-bottom: clamp(0.9rem, 2vw, 1.35rem);
}

.page-contact .ct-hero__lead {
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--slate);
  max-width: 46ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

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

.page-contact .ct-hero__meta-item {
  background: var(--moss);
  padding: 0.7rem 0.85rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.page-contact .ct-hero__meta-k {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .ct-hero__meta-v {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--slate);
}

.page-contact .ct-side {
  min-width: 0;
  display: grid;
  gap: clamp(1rem, 2vw, 1.35rem);
}

.page-contact .ct-side__media {
  margin: 0;
  box-shadow: var(--hard-shadow);
}

.page-contact .ct-board {
  border: var(--frame) solid var(--line-strong);
  background: var(--moss);
  box-shadow: var(--hard-shadow);
  padding: clamp(1rem, 2.5vw, 1.5rem);
}

.page-contact .ct-board__title {
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--slate);
  margin: 0 0 0.35rem;
}

.page-contact .ct-board__note {
  font-family: var(--font-body);
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--mist);
  margin: 0 0 1rem;
}

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

.page-contact .ct-channel {
  background: var(--moss);
  border-left: 3px solid transparent;
  padding: 0.85rem 0.9rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "key copy"
    "val copy"
    "use use";
  align-items: center;
  column-gap: 0.6rem;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  border-left-color: var(--lava);
  background: var(--moss-mid);
}

.page-contact .ct-channel__key {
  grid-area: key;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--cool);
}

.page-contact .ct-channel__val {
  grid-area: val;
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.5;
  color: var(--slate);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__val--mono {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: -0.01em;
}

.page-contact .ct-channel__copy {
  grid-area: copy;
  align-self: start;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  padding: 0.3rem 0.55rem;
  background: transparent;
  color: var(--lava-soft);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-contact .ct-channel__copy:hover,
.page-contact .ct-channel__copy:focus-visible {
  color: var(--ink);
  background: var(--lava);
  border-color: var(--lava);
}

.page-contact .ct-channel__copy.is-done {
  color: var(--ink);
  background: var(--verify);
  border-color: var(--verify);
}

.page-contact .ct-channel__use {
  grid-area: use;
  margin-top: 0.45rem;
  font-family: var(--font-body);
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 邮件规范 ---------- */

.page-contact .ct-mail {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--ink);
}

.page-contact .ct-mail__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .ct-mail__prose {
  min-width: 0;
}

.page-contact .ct-mail__prose > p {
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--slate);
  max-width: 60ch;
  margin: 0 0 1.5rem;
}

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

.page-contact .ct-mail__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1rem 0 1.05rem;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  padding-left: 0;
  transition: border-color 0.18s ease, padding-left 0.18s ease;
}

.page-contact .ct-mail__step:hover {
  border-left-color: var(--lava);
  padding-left: 0.75rem;
}

.page-contact .ct-mail__step-num {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  font-weight: 600;
  line-height: 1.1;
  color: var(--lava);
  letter-spacing: -0.02em;
}

.page-contact .ct-mail__step-body {
  min-width: 0;
}

.page-contact .ct-mail__step-title {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--slate);
  margin: 0 0 0.4rem;
}

.page-contact .ct-mail__step-body p {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
  margin: 0;
}

.page-contact .ct-mail__figure {
  margin: 0;
  align-self: start;
  box-shadow: var(--hard-shadow);
}

/* ---------- 响应时效 ---------- */

.page-contact .ct-response {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--moss);
  border-top: var(--frame) solid var(--line);
  border-bottom: var(--frame) solid var(--line);
}

.page-contact .ct-response__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-response__lead {
  border-left: 4px solid var(--lava);
  padding-left: clamp(0.9rem, 2vw, 1.35rem);
}

.page-contact .ct-response__big {
  font-family: var(--font-mono);
  font-size: var(--fs-96);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--lava);
  margin: 0 0 0.6rem;
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.page-contact .ct-response__unit {
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 700;
  letter-spacing: 0;
  color: var(--slate);
}

.page-contact .ct-response__caption {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
  margin: 0;
  max-width: 30ch;
}

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

.page-contact .ct-response__item {
  background: var(--moss);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.9rem 0.95rem;
}

.page-contact .ct-response__item p {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--slate);
  margin: 0;
}

.page-contact .ct-response__dot {
  width: 10px;
  height: 10px;
  margin-top: 0.5rem;
  background: var(--verify);
  box-shadow: 0 0 0 3px rgba(70, 199, 155, 0.16);
}

.page-contact .ct-response__dot--pending {
  background: var(--pending);
  box-shadow: 0 0 0 3px rgba(224, 163, 60, 0.16);
}

/* ---------- 媒体与研究合作 ---------- */

.page-contact .ct-media-lab {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--ink);
}

.page-contact .ct-media-lab__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .ct-media-lab__col {
  min-width: 0;
  border-top: 2px solid var(--deep-blue);
  padding-top: clamp(1rem, 2vw, 1.35rem);
}

.page-contact .ct-media-lab__sub {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--lava-soft);
  margin: 0 0 0.85rem;
}

.page-contact .ct-media-lab__col p {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--slate);
  margin: 0 0 1rem;
}

.page-contact .ct-media-lab__col p:last-of-type {
  margin-bottom: 1.25rem;
}

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

.page-contact .ct-media-lab__facts li {
  background: var(--ink);
  display: grid;
  grid-template-columns: minmax(5.5rem, auto) minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.7rem 0.85rem;
  align-items: baseline;
}

.page-contact .ct-media-lab__k {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--cool);
}

.page-contact .ct-media-lab__v {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .ct-media-lab__tail {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
  margin: 0;
}

.page-contact .ct-media-lab__tail a {
  color: var(--lava-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-contact .ct-media-lab__tail a:hover,
.page-contact .ct-media-lab__tail a:focus-visible {
  color: var(--lava);
  border-bottom-color: var(--lava);
}

.page-contact .ct-media-lab__btn {
  display: inline-block;
}

/* ---------- 呼吸带 ---------- */

.page-contact .ct-breathe {
  background: var(--moss-mid);
  border-top: var(--frame) solid var(--line-strong);
  border-bottom: var(--frame) solid var(--line-strong);
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .ct-breathe__inner {
  text-align: center;
}

.page-contact .ct-breathe__line {
  font-family: var(--font-display);
  font-size: var(--fs-44);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--slate);
  margin: 0 0 0.5rem;
}

.page-contact .ct-breathe__sub {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--cool);
  margin: 0;
}

/* ---------- 场景清单 ---------- */

.page-contact .ct-scenes {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--ink);
}

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

.page-contact .ct-scene {
  background: var(--ink);
}

.page-contact .ct-scene__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num body"
    "go go";
  gap: 0.5rem 0.9rem;
  align-items: start;
  padding: 1.05rem 0.95rem;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-contact .ct-scene__link:hover,
.page-contact .ct-scene__link:focus-visible {
  border-left-color: var(--lava);
  background: var(--moss);
}

.page-contact .ct-scene__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  font-weight: 600;
  line-height: 1.15;
  color: var(--deep-blue);
  transition: color 0.18s ease;
}

.page-contact .ct-scene__link:hover .ct-scene__num,
.page-contact .ct-scene__link:focus-visible .ct-scene__num {
  color: var(--lava);
}

.page-contact .ct-scene__body {
  grid-area: body;
  min-width: 0;
  display: grid;
  gap: 0.35rem;
}

.page-contact .ct-scene__title {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--slate);
}

.page-contact .ct-scene__desc {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-scene__go {
  grid-area: go;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--cool);
  transition: color 0.18s ease;
}

.page-contact .ct-scene__link:hover .ct-scene__go,
.page-contact .ct-scene__link:focus-visible .ct-scene__go {
  color: var(--lava-soft);
}

/* ---------- 备案与联络信息 ---------- */

.page-contact .ct-legal {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--moss);
  border-top: var(--frame) solid var(--line);
}

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

.page-contact .ct-legal__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx label"
    "idx val";
  gap: 0.3rem 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.page-contact .ct-legal__idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--lava);
  letter-spacing: -0.02em;
}

.page-contact .ct-legal__label {
  grid-area: label;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--cool);
}

.page-contact .ct-legal__val {
  grid-area: val;
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--slate);
  overflow-wrap: anywhere;
}

.page-contact .ct-legal__val--mono {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: -0.01em;
}

/* ---------- 全宽备案色带 ---------- */

.page-contact .ct-icp-band {
  background: var(--lava);
  color: var(--ink);
  border-top: var(--frame) solid var(--ink);
  padding-block: clamp(0.85rem, 2vw, 1.15rem);
}

.page-contact .ct-icp-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 1rem;
  text-align: center;
}

.page-contact .ct-icp-band__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(11, 15, 13, 0.72);
}

.page-contact .ct-icp-band__value {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .ct-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-hero__meta-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }

  .page-contact .ct-response__grid {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .ct-media-lab__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .ct-scene__link {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas: "num .page-contact go";
    align-items: center;
    padding-inline: 1rem 1.15rem;
  }

  .page-contact .ct-scene__go {
    justify-self: end;
    align-self: center;
  }

  .page-contact .ct-legal__row {
    grid-template-columns: auto minmax(8rem, 12rem) minmax(0, 1fr);
    grid-template-areas: "idx label val";
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-contact .ct-mail__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

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

@media (min-width: 1400px) {
  .page-contact .ct-hero__lead {
    font-size: var(--fs-20);
  }
}
<<<END>>>