.page-contact {
  --ct-card: rgba(11, 59, 60, .62);
  --ct-card-soft: rgba(11, 59, 60, .40);
  --ct-glow: rgba(31, 107, 255, .26);
  --ct-amber-soft: rgba(242, 169, 59, .14);
  --ct-ink-text: #1B2A27;
  display: block;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumb {
  padding-top: clamp(16px, 3vw, 30px);
  font-size: 12px;
  color: var(--stone-2);
}
.page-contact .crumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  letter-spacing: .08em;
}
.page-contact .crumb__item a {
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .crumb__item a:hover {
  color: var(--blue-soft);
  border-bottom-color: var(--blue-soft);
}
.page-contact .crumb__current {
  color: var(--stone-2);
}
.page-contact .crumb__item + .crumb__item::before {
  content: "/";
  margin-right: 10px;
  color: var(--stone);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(34px, 5vw, 62px) 0 clamp(54px, 8vw, 112px);
  background: var(--ink);
}
.page-contact .ct-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-contact .ct-hero__backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 50%;
  opacity: .30;
}
.page-contact .ct-hero__backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    118deg,
    var(--ink) 4%,
    rgba(7, 26, 28, .90) 34%,
    rgba(7, 26, 28, .52) 68%,
    rgba(7, 26, 28, .84) 100%
  );
}
.page-contact .ct-hero__slash {
  position: absolute;
  z-index: 1;
  top: 4%;
  right: -12%;
  width: 58%;
  height: 92%;
  background: linear-gradient(152deg, var(--ct-glow), rgba(31, 107, 255, 0) 66%);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-contact .ct-hero__glow {
  position: absolute;
  z-index: 1;
  right: 8%;
  top: 10%;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 169, 59, .30), rgba(242, 169, 59, 0) 70%);
  pointer-events: none;
}
.page-contact .ct-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(26px, 5vw, 58px);
  align-items: end;
}
.page-contact .ct-hero__title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(36px, 8.4vw, 88px);
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--white);
}
.page-contact .ct-hero__title span {
  display: block;
  margin-top: 6px;
  font-weight: 700;
  letter-spacing: .004em;
  color: var(--blue-soft);
}
.page-contact .ct-hero__lead {
  margin: 22px 0 0;
  max-width: 33em;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.85;
  color: var(--cool);
}

/* 首屏右侧浮岛 */
.page-contact .ct-board {
  padding: clamp(18px, 2.3vw, 28px);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--ct-card-soft);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
}
.page-contact .ct-board__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--stone-2);
}
.page-contact .ct-board__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 13px;
}
.page-contact .ct-board__list li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding-bottom: 13px;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
}
.page-contact .ct-board__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .ct-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: .52em;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--ct-amber-soft);
}
.page-contact .ct-dot--blue {
  background: var(--blue-soft);
  box-shadow: 0 0 0 4px rgba(31, 107, 255, .18);
}
.page-contact .ct-dot--moss {
  background: var(--moss-light);
  box-shadow: 0 0 0 4px rgba(143, 178, 138, .16);
}
.page-contact .ct-board__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-2);
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-section {
  position: relative;
  padding: clamp(52px, 8vw, 110px) 0;
}
.page-contact .ct-head {
  max-width: 46em;
  margin-bottom: clamp(26px, 4vw, 50px);
}
.page-contact .ct-head__note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cool);
}

/* ---------- 联络渠道 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}
.page-contact .ct-channel {
  position: relative;
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--ct-card);
  transition: border-color .22s var(--ease), transform .22s var(--ease), background-color .22s var(--ease);
}
.page-contact .ct-channel:hover {
  border-color: rgba(31, 107, 255, .72);
  transform: translateY(-4px);
}
.page-contact .ct-channel--accent {
  border-color: rgba(31, 107, 255, .42);
  background: linear-gradient(164deg, rgba(31, 107, 255, .20), rgba(11, 59, 60, .74) 60%);
}
.page-contact .ct-channel__idx {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .20em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-contact .ct-channel__name {
  margin: 0 0 14px;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--white);
}
.page-contact .ct-channel__value {
  margin: 0 0 15px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 19px);
  line-height: 1.45;
  letter-spacing: -.005em;
  color: var(--amber);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.page-contact .ct-channel__desc {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cool);
}
.page-contact .ct-channel__list {
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  display: grid;
  gap: 9px;
}
.page-contact .ct-channel__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--stone-2);
}
.page-contact .ct-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--moss-light);
}

/* ---------- 站内清单留言（米白纸张） ---------- */
.page-contact .ct-section--paper {
  background: var(--paper);
  color: var(--ct-ink-text);
  clip-path: polygon(0 2.6vw, 100% 0, 100% 100%, 0 100%);
  padding-top: clamp(74px, 11vw, 140px);
  padding-bottom: clamp(66px, 9vw, 122px);
}
.page-contact .ct-section--paper .eyebrow {
  color: var(--clay);
}
.page-contact .ct-section--paper .h2 {
  color: var(--ink);
  font-weight: 300;
  letter-spacing: -.015em;
}
.page-contact .ct-guide {
  display: grid;
  gap: clamp(28px, 5vw, 58px);
  align-items: center;
}
.page-contact .ct-guide__fig {
  margin: 0;
  border: 1px solid rgba(7, 26, 28, .16);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: 10px 10px 0 rgba(7, 26, 28, .10), 22px 22px 0 rgba(11, 59, 60, .07);
}
.page-contact .ct-guide__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.page-contact .ct-guide__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.9;
  color: #35443F;
}
.page-contact .ct-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: ct-step;
}
.page-contact .ct-steps li {
  counter-increment: ct-step;
  position: relative;
  padding: 16px 0 16px 48px;
  border-top: 1px solid rgba(7, 26, 28, .14);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ct-ink-text);
}
.page-contact .ct-steps li:last-child {
  border-bottom: 1px solid rgba(7, 26, 28, .14);
}
.page-contact .ct-steps li::before {
  content: counter(ct-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--blue);
}
.page-contact .ct-guide__link {
  margin: 22px 0 0;
}
.page-contact .ct-link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14.5px;
  text-decoration: none;
  color: var(--blue);
  border-bottom: 1px solid currentColor;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .ct-link:hover {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

/* ---------- 合作与内容建议 ---------- */
.page-contact .ct-partners {
  background: var(--ink);
  overflow: hidden;
}
.page-contact .ct-partners::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(167, 180, 184, .18) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .5;
  pointer-events: none;
}
.page-contact .ct-partners__grid {
  position: relative;
  display: grid;
  gap: clamp(28px, 4.5vw, 56px);
}
.page-contact .ct-partners__lead {
  margin: 18px 0 24px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cool);
}
.page-contact .ct-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-tags li {
  padding: 7px 15px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cool);
  background: rgba(11, 59, 60, .35);
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}
.page-contact .ct-tags li:hover {
  border-color: var(--amber);
  color: var(--white);
  background: var(--ct-amber-soft);
}
.page-contact .ct-coop {
  display: grid;
  border-top: 1px solid var(--line);
}
.page-contact .ct-coop__row {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .ct-coop__row h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--white);
}
.page-contact .ct-coop__row p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--cool);
}

/* ---------- 服务时间 ---------- */
.page-contact .ct-hours {
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-contact .ct-hours__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 58px);
}
.page-contact .ct-hours__time {
  margin: 16px 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(38px, 7.6vw, 82px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -.045em;
  color: var(--amber);
}
.page-contact .ct-hours__time span {
  margin: 0 .06em;
  color: var(--stone);
}
.page-contact .ct-hours__days {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--stone-2);
}
.page-contact .ct-hours__lead {
  margin: 16px 0 22px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cool);
}
.page-contact .ct-hours__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--line);
}
.page-contact .ct-hours__list li {
  position: relative;
  padding: 15px 0 15px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cool);
}
.page-contact .ct-hours__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--blue-soft);
}
.page-contact .ct-hours__list strong {
  color: var(--white);
  font-weight: 600;
}
.page-contact .ct-hours__link {
  margin: 22px 0 0;
}
.page-contact .ct-hours__link .ct-link {
  color: var(--blue-soft);
}
.page-contact .ct-hours__link .ct-link:hover {
  color: var(--amber);
}

/* ---------- 地址与备案窄条 ---------- */
.page-contact .ct-legal {
  padding: clamp(30px, 4vw, 50px) 0 clamp(40px, 5.5vw, 64px);
  background: var(--ink);
}
.page-contact .ct-legal__inner {
  display: grid;
  gap: 22px;
  padding-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid var(--line-2);
}
.page-contact .ct-legal__k {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .20em;
  text-transform: uppercase;
  color: var(--stone-2);
}
.page-contact .ct-legal__v {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cool);
}
.page-contact .ct-legal__v a {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 157, 255, .40);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .ct-legal__v a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.page-contact .ct-legal__v i {
  font-style: normal;
  color: var(--stone);
}

/* ---------- 断点：桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.52fr) minmax(0, .86fr);
  }
  .page-contact .ct-guide {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
  }
  .page-contact .ct-partners__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: clamp(36px, 5vw, 76px);
  }
  .page-contact .ct-hours__grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-channels {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .ct-channel:nth-child(2) {
    margin-top: 34px;
  }
  .page-contact .ct-channel:nth-child(3) {
    margin-top: 68px;
  }
}

@media (min-width: 720px) {
  .page-contact .ct-coop__row {
    grid-template-columns: minmax(0, .46fr) minmax(0, .54fr);
    gap: 26px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-contact .ct-legal__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 560px) {
  .page-contact .ct-hero__glow {
    display: none;
  }
  .page-contact .ct-hero__slash {
    right: -34%;
    width: 86%;
  }
  .page-contact .ct-section--paper {
    clip-path: polygon(0 1.6vw, 100% 0, 100% 100%, 0 100%);
  }
  .page-contact .ct-channel__value {
    font-size: 14.5px;
  }
  .page-contact .ct-steps li {
    padding-left: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-tags li,
  .page-contact .ct-link,
  .page-contact .ct-legal__v a,
  .page-contact .crumb__item a {
    transition: none;
  }
  .page-contact .ct-channel:hover {
    transform: none;
  }
}