.page-contact {
  --contact-hair: rgba(11, 42, 58, 0.16);
  --contact-hair-soft: rgba(11, 42, 58, 0.08);
  --contact-cream: rgba(247, 241, 230, 0.86);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding-block: 1.1rem 0.3rem;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  background: var(--abyss);
  color: var(--paper);
  padding-block: clamp(1.4rem, 4vw, 2.6rem) clamp(2.4rem, 7vw, 5rem);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: auto -18% -58% 26%;
  height: 105%;
  background: var(--abyss-700);
  border-radius: 48% 0 0 0;
  transform: rotate(-13deg);
  opacity: 0.9;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: 8%;
  width: 72%;
  height: 2px;
  background: linear-gradient(90deg, rgba(242, 106, 46, 0), var(--signal));
  transform: rotate(-7deg);
  opacity: 0.7;
  pointer-events: none;
}

.page-contact .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.8rem, 4.5vw, 3rem);
  align-items: center;
}

.page-contact .hero-title {
  margin: 0.7rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 8.6vw, 4.3rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .hero-lede {
  margin: 0;
  max-width: 46ch;
  color: var(--contact-cream);
  font-size: clamp(0.96rem, 2.4vw, 1.1rem);
  line-height: 1.8;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .hero-meta li {
  position: relative;
  padding-left: 0.85rem;
}

.page-contact .hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--signal);
}

/* ---------- 登机牌式联系卡 ---------- */
.page-contact .pass {
  position: relative;
  background: var(--paper-hi);
  color: var(--ink);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.25rem 1.15rem;
  box-shadow: 0 30px 55px -34px rgba(0, 0, 0, 0.9);
  transform: rotate(-1deg);
}

.page-contact .pass-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding-bottom: 0.85rem;
  border-bottom: 2px dashed var(--contact-hair);
}

.page-contact .pass-kicker {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  color: var(--stone);
}

.page-contact .pass-name {
  margin: 0.9rem 0 0.2rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.page-contact .pass-rows {
  display: grid;
  gap: 0.7rem;
  margin: 0.85rem 0 0;
}

.page-contact .pass-row {
  display: grid;
  gap: 0.15rem;
}

.page-contact .pass-row dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-contact .pass-row dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .pass-note {
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--contact-hair-soft);
  font-size: 0.79rem;
  line-height: 1.65;
  color: var(--stone);
}

.page-contact .mono-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--abyss);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
  word-break: break-word;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .mono-link:hover,
.page-contact .mono-link:focus-visible {
  color: var(--signal);
  border-color: var(--clay);
}

.page-contact .mono-plain {
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--abyss);
}

/* ---------- 通用段落节奏 ---------- */
.page-contact .band {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-contact .band .section-head {
  max-width: 62ch;
}

.page-contact .section-title {
  color: var(--abyss);
}

.page-contact .band--channels {
  border-top: 1px solid var(--contact-hair);
}

/* ---------- 合作入口 ---------- */
.page-contact .gate-board {
  position: relative;
  display: grid;
  gap: 1.4rem;
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
}

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

.page-contact .gate-list {
  display: grid;
  gap: 0.7rem;
}

.page-contact .gate {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 1.05rem;
  background: var(--paper-hi);
  border: 1px solid var(--contact-hair);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .gate:hover {
  border-color: var(--signal);
}

.page-contact .gate-no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-contact .gate-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--abyss);
}

.page-contact .gate-desc {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-contact :is(
    #gate-1:checked ~ .gate-list .gate--1,
    #gate-2:checked ~ .gate-list .gate--2,
    #gate-3:checked ~ .gate-list .gate--3,
    #gate-4:checked ~ .gate-list .gate--4
  ) {
  background: var(--abyss);
  border-color: var(--abyss);
  transform: translateX(4px);
  box-shadow: 0 16px 30px -24px rgba(11, 42, 58, 0.9);
}

.page-contact :is(
    #gate-1:checked ~ .gate-list .gate--1,
    #gate-2:checked ~ .gate-list .gate--2,
    #gate-3:checked ~ .gate-list .gate--3,
    #gate-4:checked ~ .gate-list .gate--4
  ) .gate-name {
  color: var(--paper);
}

.page-contact :is(
    #gate-1:checked ~ .gate-list .gate--1,
    #gate-2:checked ~ .gate-list .gate--2,
    #gate-3:checked ~ .gate-list .gate--3,
    #gate-4:checked ~ .gate-list .gate--4
  ) .gate-desc {
  color: var(--mist);
}

.page-contact :is(
    #gate-1:checked ~ .gate-list .gate--1,
    #gate-2:checked ~ .gate-list .gate--2,
    #gate-3:checked ~ .gate-list .gate--3,
    #gate-4:checked ~ .gate-list .gate--4
  ) .gate-no {
  color: var(--signal);
}

.page-contact .gate-board:focus-within .gate-list {
  outline: 2px dashed var(--signal);
  outline-offset: 6px;
  border-radius: var(--radius-md);
}

.page-contact .gate-panels {
  position: relative;
}

.page-contact .gate-panel {
  display: none;
  background: var(--sand);
  color: var(--ink);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--signal);
  padding: clamp(1.25rem, 3.2vw, 2rem);
  animation: page-contact-panel-in var(--dur) var(--ease) both;
}

.page-contact :is(
    #gate-1:checked ~ .gate-panels .gate-panel--1,
    #gate-2:checked ~ .gate-panels .gate-panel--2,
    #gate-3:checked ~ .gate-panels .gate-panel--3,
    #gate-4:checked ~ .gate-panels .gate-panel--4
  ) {
  display: block;
}

@keyframes page-contact-panel-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-contact .gate-panel-title {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--abyss);
}

.page-contact .gate-panel p {
  margin: 0 0 1rem;
  font-size: 0.93rem;
  line-height: 1.8;
}

.page-contact .gate-points {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.page-contact .gate-points li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.88rem;
  line-height: 1.65;
}

.page-contact .gate-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.55rem;
  height: 2px;
  background: var(--clay);
}

/* ---------- 联系渠道 ---------- */
.page-contact .channels-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.8rem);
  align-items: center;
}

.page-contact .channel-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--abyss-700);
}

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

.page-contact .channel-list {
  display: grid;
  gap: 0.85rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.1rem;
  background: var(--paper-hi);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--mist);
  box-shadow: 0 14px 26px -26px rgba(11, 42, 58, 0.8);
}

.page-contact .channel--signal {
  border-left-color: var(--signal);
}

.page-contact .channel--clay {
  border-left-color: var(--clay);
}

.page-contact .channel-key {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-contact .channel-desc {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--stone);
}

/* ---------- 响应流程 ---------- */
.page-contact .band--flow {
  position: relative;
  background: var(--abyss);
  color: var(--paper);
  overflow: hidden;
}

.page-contact .band--flow::before {
  content: "";
  position: absolute;
  right: -14%;
  top: -30%;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 106, 46, 0.24), rgba(242, 106, 46, 0));
  pointer-events: none;
}

.page-contact .band--flow .section-title {
  color: var(--paper);
}

.page-contact .band--flow .lede {
  color: var(--mist);
}

.page-contact .flow {
  position: relative;
  display: grid;
  gap: 1.3rem;
  margin: clamp(1.6rem, 3.5vw, 2.4rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
}

.page-contact .flow-no {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-contact .flow-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-contact .flow-text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .flow-figure {
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--abyss-700);
}

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

/* ---------- 区域与伙伴 ---------- */
.page-contact .band--partners {
  background: var(--sand);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.6rem);
}

.page-contact .partner-copy .section-title {
  color: var(--abyss);
}

.page-contact .partner-text {
  margin: 1rem 0 1.4rem;
  max-width: 46ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .stat {
  display: grid;
  gap: 0.2rem;
  padding: 0.95rem 1rem 1.05rem;
  background: var(--paper-hi);
  border-radius: var(--radius-md);
  border-bottom: 3px solid var(--moss);
}

.page-contact .stat-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 6vw, 2.4rem);
  line-height: 1;
  color: var(--abyss);
}

.page-contact .stat-label {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--stone);
}

/* ---------- 资料准备清单 ---------- */
.page-contact .band--prep {
  border-top: 1px solid var(--contact-hair);
}

.page-contact .prep-copy {
  max-width: 76ch;
}

.page-contact .prep-list {
  display: grid;
  gap: 0.6rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  background: var(--paper-hi);
  border: 1px solid var(--contact-hair-soft);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.6;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .prep:hover {
  border-color: var(--mist);
}

.page-contact .prep-box {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  margin: 0.18rem 0 0;
  border: 1.5px solid var(--stone);
  border-radius: 0.35rem;
  background: var(--paper);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .prep-box:checked {
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: inset 0 0 0 2px var(--paper-hi);
}

.page-contact .prep-box:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-contact .prep-text {
  min-width: 0;
}

.page-contact .prep-note {
  margin: 1.2rem 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .inline-link {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--signal);
}

/* ---------- 延伸入口 ---------- */
.page-contact .band--next {
  background: var(--paper);
  border-top: 1px solid var(--contact-hair);
}

.page-contact .next-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  margin: 0 0 0.5rem;
}

.page-contact .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .next-link {
  display: inline-block;
  padding: 0.55rem 1.05rem;
  border: 1px solid var(--contact-hair);
  border-radius: var(--radius-pill);
  background: var(--paper-hi);
  color: var(--abyss);
  font-size: 0.86rem;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible {
  background: var(--abyss);
  border-color: var(--abyss);
  color: var(--paper);
}

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

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

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .gate-board {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: start;
    gap: clamp(1.6rem, 3.5vw, 2.8rem);
  }

  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  }

  .page-contact .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-contact .flow::before {
    content: "";
    position: absolute;
    top: 0.45rem;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--signal), rgba(242, 106, 46, 0.22));
  }

  .page-contact .flow-step {
    padding-top: 1.95rem;
  }

  .page-contact .flow-step::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0.9rem;
    height: 0.9rem;
    box-sizing: border-box;
    border-radius: 50%;
    background: var(--abyss);
    border: 2px solid var(--signal);
  }

  .page-contact .flow-no {
    position: absolute;
    top: 1.95rem;
    left: 1.35rem;
    margin: 0;
    opacity: 0.8;
  }

  .page-contact .flow-title {
    margin-top: 0.1rem;
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-contact .stat-grid {
    gap: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .gate,
  .page-contact .prep,
  .page-contact .next-link,
  .page-contact .mono-link {
    transition: none;
  }

  .page-contact .gate-panel {
    animation: none;
  }
}