.page-contact {
  --ct-line: rgba(35, 24, 15, .16);
  --ct-line-strong: rgba(35, 24, 15, .3);
  --ct-line-dark: rgba(221, 235, 227, .18);
  --ct-ink-soft: rgba(221, 235, 227, .76);
  background: var(--paper-50);
  color: var(--espresso-950);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .ct-crumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-4) 0 var(--sp-3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lead-500);
}

.page-contact .ct-crumb a {
  color: var(--ink-500);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .ct-crumb a:hover,
.page-contact .ct-crumb a:focus-visible {
  color: var(--orange-500);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--mint-100);
  padding: var(--sp-6) 0 var(--sp-7);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: 66%;
  height: 142%;
  background: linear-gradient(152deg, var(--ink-700) 0%, rgba(18, 70, 57, 0) 74%);
  transform: skewX(-11deg);
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-6);
}

.page-contact .ct-hero__tag {
  margin: 0;
  color: var(--volt-400);
}

.page-contact .ct-hero__title {
  margin: var(--sp-4) 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 7.4vw, 66px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: .01em;
  color: #FFFFFF;
}

.page-contact .ct-hero__intro {
  margin: var(--sp-5) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-hero__points {
  margin: var(--sp-5) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-3);
  max-width: 48ch;
}

.page-contact .ct-hero__points li {
  position: relative;
  padding-left: var(--sp-5);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ct-ink-soft);
}

.page-contact .ct-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 11px;
  height: 2px;
  background: var(--orange-500);
}

.page-contact .ct-channels {
  display: grid;
  border: 1px solid var(--ct-line-dark);
  background: rgba(11, 43, 34, .58);
}

.page-contact .ct-channel {
  padding: var(--sp-5);
  border-top: 1px solid var(--ct-line-dark);
  min-width: 0;
}

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

.page-contact .ct-channel__label {
  margin: 0;
  color: var(--slate-400);
}

.page-contact .ct-channel__value {
  margin: var(--sp-3) 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 3.4vw, 18px);
  line-height: 1.45;
  color: var(--orange-500);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .ct-channel__value--plain {
  color: var(--mint-100);
  font-size: clamp(14px, 2.8vw, 16px);
  line-height: 1.6;
}

.page-contact .ct-channel__note {
  margin: var(--sp-3) 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

/* 时间带 */

.page-contact .ct-clock {
  position: relative;
  z-index: 1;
  margin-top: var(--sp-6);
  padding: var(--sp-5);
  border: 1px solid var(--ct-line-dark);
  background: rgba(18, 70, 57, .34);
}

.page-contact .ct-clock__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
}

.page-contact .ct-clock__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-contact .ct-clock__range {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  color: var(--volt-400);
}

.page-contact .ct-clock__track {
  position: relative;
  margin-top: var(--sp-4);
  height: 12px;
  border: 1px solid var(--ct-line-dark);
  background-color: rgba(221, 235, 227, .06);
  background-image: repeating-linear-gradient(90deg,
      rgba(221, 235, 227, .2) 0,
      rgba(221, 235, 227, .2) 1px,
      transparent 1px,
      transparent 6.25%);
}

.page-contact .ct-clock__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, var(--orange-500), var(--amber-300));
}

.page-contact .ct-clock__foot {
  display: flex;
  justify-content: space-between;
  margin-top: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-400);
}

.page-contact .ct-clock__note {
  margin: var(--sp-4) 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

/* ---------- 图片带 ---------- */

.page-contact .ct-strip {
  padding: var(--sp-6) 0 0;
  background: var(--paper-50);
}

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

.page-contact .ct-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 通用章节 ---------- */

.page-contact .ct-section {
  padding: var(--sp-8) 0;
}

.page-contact .ct-section--mint {
  background: var(--mint-100);
}

.page-contact .ct-section--paper {
  background: var(--paper-50);
}

.page-contact .ct-section--ink {
  background: var(--ink-900);
  color: var(--mint-100);
}

.page-contact .ct-head {
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
  max-width: 76ch;
}

.page-contact .ct-head .index-tag {
  margin: 0;
  color: var(--ink-500);
}

.page-contact .ct-section--ink .ct-head .index-tag {
  color: var(--volt-400);
}

.page-contact .ct-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.14;
  font-weight: 700;
  color: var(--espresso-950);
}

.page-contact .ct-section--ink .ct-head__title {
  color: #FFFFFF;
}

.page-contact .ct-head__lead {
  margin: 0;
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.85;
  color: var(--lead-500);
}

.page-contact .ct-section--ink .ct-head__lead {
  color: var(--ct-ink-soft);
}

.page-contact .ct-split {
  display: grid;
  gap: var(--sp-6);
}

/* ---------- 邮件写法 ---------- */

.page-contact .ct-mail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ctstep;
  display: grid;
  gap: var(--sp-5);
}

.page-contact .ct-mail__list > li {
  position: relative;
  padding-left: var(--sp-7);
  counter-increment: ctstep;
}

.page-contact .ct-mail__list > li::before {
  content: counter(ctstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange-500);
}

.page-contact .ct-mail__list h3 {
  margin: 0 0 var(--sp-2);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--espresso-950);
}

.page-contact .ct-mail__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--lead-500);
}

.page-contact .ct-sample {
  margin-top: var(--sp-6);
  border: 1px solid var(--ct-line-strong);
  background: rgba(255, 255, 255, .66);
}

.page-contact .ct-sample__summary {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-900);
}

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

.page-contact .ct-sample__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--orange-500);
}

.page-contact .ct-sample[open] .ct-sample__summary::after {
  content: "–";
}

.page-contact .ct-sample__body {
  padding: 0 var(--sp-5) var(--sp-5);
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-sample__subj {
  margin: var(--sp-4) 0 0;
  padding: var(--sp-3) var(--sp-4);
  background: var(--ink-900);
  color: var(--mint-100);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.page-contact .ct-sample__key {
  margin-right: var(--sp-2);
  letter-spacing: .14em;
  color: var(--volt-400);
}

.page-contact .ct-sample__text {
  margin: var(--sp-4) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--espresso-950);
}

.page-contact .ct-mark {
  background: linear-gradient(180deg, transparent 58%, var(--volt-400) 58%);
  color: inherit;
  padding: 0 .12em;
}

.page-contact .ct-sample__tip {
  margin: var(--sp-4) 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--lead-500);
}

.page-contact .ct-shot--mail {
  align-self: start;
}

/* ---------- 疑问处理 ---------- */

.page-contact .ct-flow {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-flow__row {
  display: grid;
  gap: var(--sp-3);
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-flow dt {
  position: relative;
  padding-left: var(--sp-4);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-900);
}

.page-contact .ct-flow dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 3px;
  height: 16px;
  background: var(--orange-500);
}

.page-contact .ct-flow dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--lead-500);
}

/* ---------- 合作 ---------- */

.page-contact .ct-coop {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-5);
}

.page-contact .ct-coop__item {
  padding: var(--sp-5);
  border: 1px solid var(--ct-line-dark);
  background: rgba(18, 70, 57, .3);
}

.page-contact .ct-coop__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--volt-400);
}

.page-contact .ct-coop__title {
  margin: var(--sp-3) 0 var(--sp-3);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: #FFFFFF;
}

.page-contact .ct-coop__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-coop__meta {
  margin: var(--sp-4) 0 0;
  padding-top: var(--sp-3);
  border-top: 1px dashed var(--ct-line-dark);
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate-400);
}

/* ---------- 归属信息 ---------- */

.page-contact .ct-filing {
  display: grid;
  gap: var(--sp-6);
  align-items: center;
}

.page-contact .ct-filing__text .index-tag {
  margin: 0 0 var(--sp-3);
  color: var(--ink-500);
}

.page-contact .ct-filing__text .ct-head__title {
  font-size: clamp(22px, 3.8vw, 32px);
}

.page-contact .ct-filing__text p {
  margin: var(--sp-4) 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--lead-500);
}

.page-contact .ct-filing__seals {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5);
}

.page-contact .ct-seal {
  position: relative;
  display: grid;
  place-items: center;
  width: 136px;
  height: 136px;
  padding: var(--sp-5);
  border: 1px solid var(--ink-500);
  border-radius: 50%;
  background: rgba(30, 107, 82, .07);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: .04em;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .ct-seal::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(30, 107, 82, .55);
  border-radius: 50%;
}

.page-contact .ct-seal--region {
  width: 108px;
  height: 108px;
  font-size: 16px;
  border-color: var(--orange-500);
  background: rgba(242, 96, 31, .08);
  color: var(--orange-500);
}

.page-contact .ct-seal--region::after {
  border-color: rgba(242, 96, 31, .5);
}

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

/* ---------- 结尾 ---------- */

.page-contact .ct-outro {
  padding: var(--sp-7) 0;
  background: var(--ink-900);
  border-top: 4px solid var(--orange-500);
  color: var(--mint-100);
}

.page-contact .ct-outro__bar {
  display: grid;
  gap: var(--sp-4);
}

.page-contact .ct-outro__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-contact .ct-outro__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-6);
}

.page-contact .ct-outro__links a {
  display: inline-block;
  padding: var(--sp-2) 0;
  font-size: 15px;
  color: var(--mint-100);
  text-decoration: none;
  border-bottom: 1px solid rgba(221, 235, 227, .3);
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}

.page-contact .ct-outro__links a:hover,
.page-contact .ct-outro__links a:focus-visible {
  color: var(--volt-400);
  border-color: var(--volt-400);
}

/* ---------- 动画 ---------- */

.page-contact [data-reveal].is-visible {
  animation: ct-rise .55s var(--ease-out) both;
}

@keyframes ct-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-contact .ct-hero {
    padding: var(--sp-7) 0 var(--sp-8);
  }

  .page-contact .ct-clock {
    padding: var(--sp-6) var(--sp-5);
  }
}

@media (min-width: 860px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-channel {
    border-top: 0;
    border-left: 1px solid var(--ct-line-dark);
  }

  .page-contact .ct-channel:first-child {
    border-left: 0;
  }

  .page-contact .ct-flow__row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--sp-6);
    align-items: start;
    padding: var(--sp-6) 0;
  }

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

  .page-contact .ct-coop__item:first-child {
    grid-column: 1 / -1;
  }

  .page-contact .ct-filing {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--sp-7);
  }

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

  .page-contact .ct-outro__bar {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    align-items: center;
    gap: var(--sp-6);
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 9fr) minmax(0, 14fr);
    gap: var(--sp-8);
    align-items: start;
    padding-top: var(--sp-6);
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--sp-7);
    align-items: start;
  }

  .page-contact .ct-section {
    padding: var(--sp-9) 0;
  }

  .page-contact .ct-head {
    margin-bottom: var(--sp-7);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal].is-visible {
    animation: none;
  }

  .page-contact .ct-outro__links a {
    transition: none;
  }
}