.page-contact {
  --pc-rule: 1px solid var(--hair);
  --pc-card: linear-gradient(150deg, rgba(14, 33, 28, .94), rgba(5, 16, 13, .94));
}

.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-contact .breadcrumb {
  margin-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 5vw, 52px) clamp(34px, 6vw, 68px);
  border-bottom: var(--pc-rule);
  background:
    radial-gradient(120% 95% at 8% 0%, rgba(43, 240, 198, .10), transparent 58%),
    radial-gradient(95% 85% at 102% 8%, rgba(155, 107, 255, .10), transparent 62%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 55, 51, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 55, 51, .55) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .75), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .75), transparent 88%);
  opacity: .45;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--gold) 55%, transparent 92%);
  opacity: .75;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(38px, 9vw, 70px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 10px 0 0;
}

.page-contact .contact-hero .lead {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 40ch;
  color: var(--muted);
}

.page-contact .contact-hero__facts {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-top: 18px;
  border-top: var(--pc-rule);
}

.page-contact .hero-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .hero-fact:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .hero-fact dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .hero-fact dd {
  margin: 0;
  font-size: 14px;
  color: var(--text);
}

.page-contact .hero-fact dd.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan-soft);
  letter-spacing: .01em;
}

/* ---------- 主体骨架 ---------- */
.page-contact .contact-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  padding-block: clamp(30px, 5vw, 66px) clamp(48px, 7vw, 90px);
}

.page-contact .contact-main {
  min-width: 0;
}

.page-contact .c-section {
  padding-block: clamp(24px, 4vw, 40px);
  border-bottom: var(--pc-rule);
}

.page-contact .c-section:first-child {
  padding-top: 0;
}

.page-contact .c-section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .c-section__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(16px, 2.5vw, 24px);
}

.page-contact .c-section__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  border: 1px solid rgba(43, 240, 198, .35);
  border-radius: var(--r-sm);
  padding: 3px 7px;
  flex: 0 0 auto;
}

.page-contact .c-section h2 {
  font-family: var(--font-head);
  font-size: clamp(21px, 4vw, 29px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}

.page-contact .c-section__intro,
.page-contact .c-section p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 14px;
  max-width: 38ch;
}

.page-contact .c-section__intro {
  color: var(--text);
  margin-bottom: 20px;
}

.page-contact .c-section__foot {
  margin-top: 18px;
}

.page-contact .c-section a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(141, 247, 223, .35);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .c-section a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 渠道条目 ---------- */
.page-contact .channel {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .channel:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .channel__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--muted);
  margin: 3px 0 0;
}

.page-contact .channel__body {
  min-width: 0;
}

.page-contact .channel__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 8px;
}

.page-contact .channel__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 3.4vw, 18px);
  letter-spacing: .01em;
  color: var(--cyan);
  margin: 0 0 10px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel__val--plain {
  color: var(--gold);
}

.page-contact .channel__desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 12px;
  max-width: 40ch;
}

.page-contact .channel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .channel__tags li {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-soft);
  border: 1px solid rgba(141, 247, 223, .26);
  border-radius: var(--r-cap);
  padding: 4px 11px;
}

/* ---------- 值守时段 ---------- */
.page-contact .timing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
  align-items: start;
}

.page-contact .timing__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .timing__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .timing__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .wait-figure {
  margin: 0;
  border: var(--pc-rule);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--panel);
}

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

.page-contact .wait-figure figcaption {
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--muted);
  padding: 10px 14px;
  border-top: 1px solid var(--hair-soft);
}

/* ---------- 合作四步 ---------- */
.page-contact .steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  list-style: none;
  margin: 0 0 clamp(22px, 3.5vw, 32px);
  padding: 0;
  background: var(--hair);
  border: var(--pc-rule);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-contact .step {
  background: var(--panel);
  padding: 16px 16px 18px;
}

.page-contact .step__n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
  margin: 0 0 8px;
}

.page-contact .step__t {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 6px;
}

.page-contact .step__d {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

/* ---------- 合作类型 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .coop {
  border: var(--pc-rule);
  border-radius: var(--r-card);
  padding: 18px 16px 20px;
  background: var(--pc-card);
  box-shadow: var(--shadow-card);
}

.page-contact .coop--violet {
  box-shadow: inset 0 2px 0 0 var(--violet), var(--shadow-card);
}

.page-contact .coop--cyan {
  box-shadow: inset 0 2px 0 0 var(--cyan), var(--shadow-card);
}

.page-contact .coop--gold {
  box-shadow: inset 0 2px 0 0 var(--gold), var(--shadow-card);
}

.page-contact .coop__title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
}

.page-contact .coop__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 12px;
}

.page-contact .coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .coop__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--cyan-soft);
}

.page-contact .coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--hair);
  background: var(--night);
  transform: rotate(45deg);
}

/* ---------- 地址 ---------- */
.page-contact .addr-figure {
  margin: 0 0 clamp(18px, 3vw, 26px);
  border: var(--pc-rule);
  border-radius: var(--r-card);
  overflow: hidden;
}

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

.page-contact .addr-block {
  border-left: 2px solid var(--gold);
  padding-left: clamp(14px, 2.5vw, 22px);
}

.page-contact .addr-value {
  font-family: var(--font-head);
  font-size: clamp(17px, 3.6vw, 22px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin: 0 0 14px;
  max-width: 24ch;
}

.page-contact .addr-block .addr-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 10px;
  max-width: 42ch;
}

.page-contact .addr-block .addr-note:last-child {
  margin-bottom: 0;
}

/* ---------- 反馈列表 ---------- */
.page-contact .fb-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: var(--pc-rule);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-contact .fb-list li {
  background: var(--panel);
  padding: 13px 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 提交清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .checklist li:first-child {
  border-top: 1px solid var(--hair-soft);
}

.page-contact .checklist__n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .checklist__t {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 侧栏 ---------- */
.page-contact .contact-aside {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-contact .aside-card {
  border: var(--pc-rule);
  border-radius: var(--r-card);
  background: var(--pc-card);
  box-shadow: var(--shadow-card);
  padding: 20px 18px;
}

.page-contact .aside-card__eyebrow {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
  margin: 0 0 6px;
}

.page-contact .aside-row {
  padding: 13px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .aside-row__k {
  display: block;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 6px;
}

.page-contact .aside-row__v {
  display: block;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .aside-row__v.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  letter-spacing: .01em;
}

.page-contact .aside-status {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--hair);
}

.page-contact .status-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(43, 240, 198, .14);
  animation: pc-pulse 2.6s var(--ease) infinite;
}

@keyframes pc-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(43, 240, 198, .14); }
  50% { box-shadow: 0 0 0 9px rgba(43, 240, 198, .04); }
}

.page-contact .aside-links {
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: var(--pc-rule);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-contact .aside-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 0 16px;
  background: var(--night);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  transition: background .25s var(--ease), color .25s var(--ease);
}

.page-contact .aside-links a::after {
  content: "→";
  color: var(--cyan);
  opacity: .7;
}

.page-contact .aside-links a:hover {
  background: var(--panel);
  color: var(--cyan-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .timing {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-contact .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(250px, .7fr);
    align-items: end;
  }

  .page-contact .contact-hero__facts {
    padding-top: 22px;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(0, 1fr) 318px;
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .status-dot {
    animation: none;
  }

  .page-contact .c-section a,
  .page-contact .aside-links a {
    transition: none;
  }
}