.page-contact {
  --contact-line: rgba(232, 241, 242, .14);
  --contact-body: rgba(232, 241, 242, .78);
  overflow-wrap: anywhere;
}

/* ===== 首屏 ===== */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  padding: calc(var(--header-h) + clamp(2.2rem, 8vw, 4.6rem)) 0 clamp(2.8rem, 8vw, 5rem);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
}

.page-contact .contact-hero-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .4;
}

.page-contact .contact-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90% 72% at 6% 0%, rgba(95, 224, 208, .18), transparent 62%),
    radial-gradient(78% 62% at 94% 14%, rgba(242, 87, 63, .16), transparent 60%),
    linear-gradient(180deg, rgba(7, 26, 31, .58) 0%, rgba(7, 26, 31, .88) 60%, var(--ink) 100%);
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero h1 {
  margin: .85rem 0 0;
  font-size: clamp(1.85rem, 6.6vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 20ch;
}

.page-contact .contact-hero .lead {
  margin: 1rem 0 0;
  max-width: 64ch;
  font-size: clamp(.95rem, 2.5vw, 1.08rem);
  line-height: 1.8;
  color: var(--contact-body);
}

.page-contact .hero-mail {
  margin-top: clamp(1.6rem, 5vw, 2.6rem);
  font-family: var(--font-num);
  line-height: 1;
  overflow-wrap: anywhere;
}

.page-contact .hero-mail .mail-prefix {
  display: block;
  font-size: clamp(2.4rem, 12vw, 6.4rem);
  font-weight: 700;
  letter-spacing: -.045em;
  background: linear-gradient(100deg, var(--paper) 4%, var(--cyan) 56%, var(--signal) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact .hero-mail .mail-domain {
  display: block;
  margin-top: .55rem;
  font-size: clamp(.85rem, 3.4vw, 1.32rem);
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-contact .hero-actions {
  margin-top: clamp(1.6rem, 4.5vw, 2.3rem);
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-contact .hero-stats {
  list-style: none;
  margin: clamp(1.8rem, 5vw, 2.8rem) 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
  grid-template-columns: 1fr;
}

.page-contact .hero-stats li {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  padding-left: .8rem;
  border-left: 2px solid rgba(95, 224, 208, .38);
  font-size: .875rem;
  color: var(--mist);
}

.page-contact .hero-stats .num {
  font-family: var(--font-num);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--signal);
}

/* ===== 章节通用 ===== */
.page-contact .section-head {
  max-width: 64ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.4rem);
}

.page-contact .section-head .section-title {
  margin: .5rem 0 .7rem;
}

.page-contact .section-head .muted {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .filter-bar {
  margin-bottom: 1.4rem;
}

/* ===== 合作类型 ===== */
.page-contact .coop-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.page-contact .coop-item {
  position: relative;
  padding: 1.4rem 1.3rem 1.5rem;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(155deg, rgba(18, 59, 58, .66) 0%, rgba(14, 42, 58, .52) 100%);
  overflow: hidden;
}

.page-contact .coop-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan), var(--signal) 60%, var(--flare));
  opacity: .68;
}

.page-contact .coop-index {
  margin: 0 0 .55rem;
  font-family: var(--font-num);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .coop-item h3 {
  margin: 0 0 .6rem;
  font-size: 1.14rem;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .coop-item p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--contact-body);
}

.page-contact .coop-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: 1.05rem 0 0;
  padding: 0;
}

.page-contact .coop-tags li {
  padding: .26rem .68rem;
  border-radius: var(--r-pill);
  border: 1px solid rgba(95, 224, 208, .3);
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .05em;
  color: var(--cyan);
}

/* ===== 联系方式 ===== */
.page-contact .channel-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.page-contact .channel-card {
  padding: clamp(1.3rem, 4.4vw, 1.95rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(14, 42, 58, .88), rgba(7, 26, 31, .72));
}

.page-contact .channel-key {
  margin: 0 0 .75rem;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--signal);
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(1.05rem, 3.6vw, 1.45rem);
  line-height: 1.4;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--mail {
  font-family: var(--font-num);
  font-size: clamp(.94rem, 3.3vw, 1.38rem);
  letter-spacing: -.01em;
}

.page-contact .channel-value--phone {
  font-family: var(--font-num);
  font-size: clamp(1.7rem, 7.6vw, 2.7rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--signal);
}

.page-contact .channel-note {
  margin: .95rem 0 0;
  font-size: .87rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .channel-card--addr {
  display: grid;
  gap: 1.3rem;
}

.page-contact .addr-map {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
}

.page-contact .channel-media {
  margin: clamp(1.4rem, 4vw, 2.2rem) 0 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(18, 59, 58, .62), rgba(7, 26, 31, .62));
  overflow: hidden;
}

.page-contact .channel-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  opacity: .82;
}

.page-contact .channel-media .media-caption {
  padding: .85rem 1.1rem 1rem;
  font-size: .8rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ===== 邮件标题 ===== */
.page-contact .mail-layout {
  display: grid;
  gap: clamp(1.5rem, 4.5vw, 2.6rem);
  grid-template-columns: 1fr;
}

.page-contact .mail-copy p {
  margin: 0 0 .95rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--contact-body);
}

.page-contact .mail-copy .section-title {
  margin: .5rem 0 .95rem;
}

.page-contact .mail-template {
  padding: clamp(1.3rem, 4.4vw, 1.95rem);
  border-radius: var(--r-lg);
  border: 1px solid rgba(95, 224, 208, .22);
  background:
    radial-gradient(120% 92% at 100% 0%, rgba(95, 224, 208, .15), transparent 58%),
    linear-gradient(160deg, rgba(14, 42, 58, .94), rgba(7, 26, 31, .88));
}

.page-contact .template-key {
  margin: 0 0 .75rem;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .template-code {
  margin: 0;
  padding: .75rem .95rem;
  border-radius: var(--r-sm);
  border-left: 3px solid var(--signal);
  background: rgba(7, 26, 31, .62);
  font-family: var(--font-num);
  font-size: clamp(1.1rem, 4.6vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--signal);
  overflow-wrap: anywhere;
}

.page-contact .template-hint {
  margin: .75rem 0 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .template-examples {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-contact .template-examples li {
  display: grid;
  gap: .2rem;
  padding: .72rem .88rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-soft);
  background: rgba(18, 59, 58, .45);
}

.page-contact .tpl-string {
  font-family: var(--font-num);
  font-size: .9rem;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .tpl-desc {
  font-size: .8rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ===== 服务时间 ===== */
.page-contact .hours-board {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.4rem, 5vw, 2.3rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(92% 120% at 100% 0%, rgba(242, 87, 63, .18), transparent 58%),
    linear-gradient(140deg, rgba(18, 59, 58, .78), rgba(14, 42, 58, .62));
}

.page-contact .hours-copy p {
  margin: 0 0 .9rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--contact-body);
}

.page-contact .hours-copy .section-title {
  margin: .5rem 0 .95rem;
}

.page-contact .hours-clock {
  padding: 1.1rem 1.2rem;
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 200, 87, .26);
  background: rgba(7, 26, 31, .58);
}

.page-contact .clock-label {
  margin: 0 0 .55rem;
  font-family: var(--font-num);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .clock-value {
  margin: 0;
  display: flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--font-num);
  font-size: clamp(1.5rem, 7vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--signal);
}

.page-contact .clock-value span {
  font-weight: 400;
  color: var(--mist);
}

.page-contact .clock-sub {
  margin: .5rem 0 0;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ===== 碰头约看 ===== */
.page-contact .meetup-panel {
  padding: clamp(1.5rem, 5vw, 2.6rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(110% 130% at 0% 0%, rgba(95, 224, 208, .16), transparent 56%),
    radial-gradient(90% 110% at 100% 100%, rgba(242, 87, 63, .14), transparent 58%),
    linear-gradient(150deg, rgba(14, 42, 58, .94), rgba(7, 26, 31, .9));
}

.page-contact .meetup-panel .section-title {
  margin: .5rem 0 .95rem;
}

.page-contact .meetup-panel p {
  margin: 0;
  max-width: 68ch;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--contact-body);
}

.page-contact .meetup-actions {
  margin-top: 1.45rem;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ===== 响应式 ===== */
@media (min-width: 600px) {
  .page-contact .hero-stats {
    grid-template-columns: repeat(3, minmax(0, auto));
    justify-content: start;
    gap: .8rem 2rem;
  }
}

@media (min-width: 760px) {
  .page-contact .coop-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .channel-card--mail {
    grid-column: span 7;
  }

  .page-contact .channel-card--phone {
    grid-column: span 5;
  }

  .page-contact .channel-card--addr {
    grid-column: span 12;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: 2rem;
  }

  .page-contact .mail-layout {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .hours-board {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: center;
    gap: 2.2rem;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero h1 {
    max-width: 18ch;
  }
}

@media (max-width: 420px) {
  .page-contact .hero-stats li {
    font-size: .82rem;
  }

  .page-contact .coop-item,
  .page-contact .channel-card {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }
}