.page-contact {
  --contact-rhythm: clamp(52px, 7vw, 104px);
  --contact-gap: clamp(22px, 3vw, 44px);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: clip;
}

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

.page-contact .breadcrumb {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px var(--gutter) 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .breadcrumb__sep {
  margin: 0 8px;
  color: rgba(143, 163, 184, 0.55);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(40px, 6vw, 84px) 0 clamp(44px, 6vw, 88px);
  overflow: hidden;
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  z-index: -2;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(5, 7, 14, 0.58) 0%, rgba(5, 7, 14, 0.88) 62%, var(--ink) 100%);
}

.page-contact .contact-hero__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-size: clamp(36px, 8vw, 104px);
  font-weight: 200;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero__lead {
  max-width: 64ch;
  margin: 24px 0 0;
  font-size: 16px;
  color: var(--mist);
}

.page-contact .contact-hero__channels {
  max-width: var(--maxw);
  margin: clamp(36px, 5vw, 64px) auto 0;
  padding: 0 var(--gutter);
  display: grid;
  gap: 18px;
}

.page-contact .contact-hero__channel {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(6, 42, 46, 0.78) 0%, rgba(5, 7, 14, 0.6) 100%);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-hero__channel--hot {
  border-color: var(--line-red);
  background: linear-gradient(158deg, rgba(59, 12, 34, 0.78) 0%, rgba(5, 7, 14, 0.6) 100%);
}

.page-contact .contact-hero__channel::before,
.page-contact .contact-hero__channel::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--cyan);
  pointer-events: none;
}

.page-contact .contact-hero__channel::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.page-contact .contact-hero__channel::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

.page-contact .contact-hero__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .contact-hero__value {
  display: inline-block;
  max-width: 100%;
  margin: 14px 0 0;
  padding-bottom: 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--white);
  border-bottom: 1px dashed var(--line-cyan);
  overflow-wrap: anywhere;
  word-break: break-word;
  cursor: text;
  user-select: all;
  -webkit-user-select: all;
}

.page-contact .contact-hero__value::selection {
  background: var(--cyan);
  color: var(--ink);
}

.page-contact .contact-hero__value--mail {
  font-size: clamp(16px, 4.6vw, 38px);
  line-height: 1.25;
}

.page-contact .contact-hero__value--tel {
  font-size: clamp(34px, 9vw, 82px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--cyan);
  border-bottom-style: solid;
  border-bottom-color: rgba(63, 240, 216, 0.32);
}

.page-contact .contact-hero__meta {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- 跳转条 ---------- */

.page-contact .contact-jump {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px var(--gutter) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-jump__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
  margin-right: 6px;
}

.page-contact .contact-jump__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--white);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: var(--glass);
  transition: color var(--tap) var(--ease), border-color var(--tap) var(--ease),
    transform var(--tap) var(--ease);
}

.page-contact .contact-jump__link:hover,
.page-contact .contact-jump__link:focus-visible {
  color: var(--cyan);
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

/* ---------- 区块骨架 ---------- */

.page-contact .contact-block {
  position: relative;
  padding: var(--contact-rhythm) 0;
}

.page-contact .contact-block--wine {
  background: linear-gradient(180deg, var(--ink) 0%, var(--wine) 34%, var(--wine) 72%, var(--ink) 100%);
}

.page-contact .contact-block--indigo {
  background: linear-gradient(180deg, var(--ink) 0%, var(--indigo) 34%, var(--indigo) 72%, var(--ink) 100%);
}

.page-contact .contact-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-contact .contact-h2 {
  margin: 14px 0 0;
  font-size: clamp(26px, 4.2vw, 50px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--white);
}

/* ---------- 01 邮件 ---------- */

.page-contact .contact-mail__grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-mail__lead {
  margin: 20px 0 0;
  color: var(--mist);
  max-width: 60ch;
}

.page-contact .contact-mail__points {
  counter-reset: mailpoint;
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-mail__points li {
  counter-increment: mailpoint;
  position: relative;
  padding-left: 44px;
  font-size: 15px;
  color: var(--mist);
}

.page-contact .contact-mail__points li::before {
  content: counter(mailpoint, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.12em;
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
}

.page-contact .contact-mail__addr {
  margin: 30px 0 0;
  font-size: 15px;
  color: var(--mist);
}

.page-contact .contact-mail__addr strong {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .contact-mail__figure {
  margin: 0;
  border: 1px solid var(--line-cyan);
  background: var(--glass);
  box-shadow: var(--shadow-glow);
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

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

/* ---------- 02 电话 ---------- */

.page-contact .contact-call__grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-call__lead {
  margin: 20px 0 0;
  color: var(--mist);
  max-width: 62ch;
}

.page-contact .contact-call__number {
  margin: 28px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 8vw, 72px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--red);
  user-select: all;
  -webkit-user-select: all;
}

.page-contact .contact-call__note {
  display: block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .contact-call__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-self: start;
}

.page-contact .contact-call__facts li {
  background: var(--ink-deep);
  padding: 20px 22px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.page-contact .contact-call__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.page-contact .contact-call__txt {
  flex: 1 1 12ch;
  min-width: 0;
  font-size: 14px;
  color: var(--mist);
}

/* ---------- 03 合作 ---------- */

.page-contact .contact-partner__lead {
  margin: 20px 0 0;
  color: rgba(234, 246, 255, 0.76);
  max-width: 68ch;
}

.page-contact .contact-partner__grid {
  margin-top: clamp(28px, 4vw, 52px);
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-partner__checklist {
  margin: 0;
  padding: 22px 22px 26px;
  border: 1px solid var(--line-red);
  background: var(--glass);
}

.page-contact .contact-partner__legend {
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .contact-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: color var(--tap) var(--ease);
}

.page-contact .contact-check:last-of-type {
  border-bottom: none;
}

.page-contact .contact-check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .contact-check__box {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--line-cyan);
  transition: background var(--tap) var(--ease), border-color var(--tap) var(--ease);
}

.page-contact .contact-check input:checked + .contact-check__box {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .contact-check input:checked + .contact-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--ink);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-contact .contact-check input:focus-visible + .contact-check__box {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .contact-check__text {
  font-size: 15px;
  color: var(--white);
}

.page-contact .contact-check input:checked ~ .contact-check__text {
  color: var(--cyan);
}

.page-contact .contact-partner__stages {
  padding: 22px 22px 26px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(34, 26, 71, 0.7), rgba(5, 7, 14, 0.5));
}

.page-contact .contact-partner__subtitle {
  margin: 0 0 18px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-contact .contact-partner__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .contact-partner__timeline li {
  position: relative;
  padding-left: 20px;
  border-left: 1px solid var(--line-cyan);
}

.page-contact .contact-partner__stage {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
  margin-bottom: 6px;
}

.page-contact .contact-partner__timeline p {
  margin: 0;
  font-size: 14px;
  color: rgba(234, 246, 255, 0.78);
}

/* ---------- 04 到访 ---------- */

.page-contact .contact-visit__grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-visit__addr {
  margin: 24px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--line-cyan);
  background: var(--glass);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  box-shadow: var(--shadow-hard);
  overflow-wrap: anywhere;
}

.page-contact .contact-visit__note {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .contact-visit__fold {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-visit__summary {
  cursor: pointer;
  padding: 16px 30px 16px 0;
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  list-style: none;
}

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

.page-contact .contact-visit__summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
  transition: transform var(--tap) var(--ease);
}

.page-contact .contact-visit__fold[open] .contact-visit__summary::after {
  content: "−";
}

.page-contact .contact-visit__fold-body {
  padding: 0 0 20px;
}

.page-contact .contact-visit__fold-body p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .contact-visit__fold-body p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-visit__map {
  position: relative;
  margin: 0;
  padding: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(6, 42, 46, 0.72), rgba(5, 7, 14, 0.62));
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  transition: border-color var(--tap) var(--ease);
}

.page-contact .contact-visit__map:hover,
.page-contact .contact-visit__map:focus-within {
  border-color: var(--line-cyan);
}

.page-contact .contact-visit__blocks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-contact .contact-visit__block {
  position: absolute;
  border: 1px solid rgba(63, 240, 216, 0.22);
  background: rgba(63, 240, 216, 0.05);
}

.page-contact .contact-visit__block--a {
  left: 8%;
  top: 14%;
  width: 30%;
  height: 32%;
}

.page-contact .contact-visit__block--b {
  right: 12%;
  top: 10%;
  width: 26%;
  height: 42%;
  border-color: rgba(255, 138, 43, 0.34);
  background: rgba(255, 138, 43, 0.06);
}

.page-contact .contact-visit__block--c {
  left: 18%;
  bottom: 22%;
  width: 38%;
  height: 26%;
}

.page-contact .contact-visit__block--d {
  right: 22%;
  bottom: 14%;
  width: 20%;
  height: 30%;
  border-color: rgba(255, 46, 77, 0.3);
  background: rgba(255, 46, 77, 0.06);
}

.page-contact .contact-visit__node {
  position: absolute;
  left: 50%;
  top: 46%;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 6px rgba(63, 240, 216, 0.16), 0 0 22px rgba(63, 240, 216, 0.6);
}

.page-contact .contact-visit__tip {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--white);
  background: rgba(5, 7, 14, 0.72);
  border-left: 2px solid var(--cyan);
  padding: 10px 14px;
}

/* ---------- 05 准备清单 ---------- */

.page-contact .contact-prepare__grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-prepare__steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .contact-prepare__steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-prepare__steps li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .contact-prepare__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1.4;
}

.page-contact .contact-prepare__steps strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
}

.page-contact .contact-prepare__steps p {
  margin: 0;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .contact-prepare__aside {
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(34, 26, 71, 0.72), rgba(5, 7, 14, 0.55));
  align-self: start;
}

.page-contact .contact-prepare__subtitle {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-contact .contact-prepare__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .contact-prepare__links li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-prepare__links li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .contact-prepare__links a {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--tap) var(--ease), color var(--tap) var(--ease);
}

.page-contact .contact-prepare__links a:hover,
.page-contact .contact-prepare__links a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
}

.page-contact .contact-prepare__links span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-hero__channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-mail__points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 28px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }

  .page-contact .contact-call__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-visit__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .contact-visit__map {
    min-height: 380px;
  }

  .page-contact .contact-prepare__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }
}

@media (max-width: 519px) {
  .page-contact .contact-hero__channel {
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.5);
  }

  .page-contact .contact-call__facts li {
    padding: 16px 16px;
  }

  .page-contact .contact-prepare__steps li {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-jump__link,
  .page-contact .contact-check__box,
  .page-contact .contact-visit__map,
  .page-contact .contact-visit__summary::after,
  .page-contact .contact-prepare__links a {
    transition: none;
  }

  .page-contact .contact-jump__link:hover,
  .page-contact .contact-jump__link:focus-visible {
    transform: none;
  }
}