.page-contact {
  --cc-gap: clamp(16px, 2.4vw, 28px);
  --cc-line: 2px solid var(--line-600);
  --cc-card-bg: rgba(16, 51, 31, 0.62);
  --cc-panel-bg: rgba(10, 35, 24, 0.62);
  background: var(--pitch-950);
  color: var(--ink-50);
  overflow-x: clip;
}

.page-contact a {
  color: inherit;
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-contact .hero-frame {
  position: relative;
  border: var(--cc-line);
  padding: clamp(30px, 5vw, 60px) clamp(22px, 4vw, 52px);
  background:
    radial-gradient(circle at 86% 10%, rgba(255, 106, 31, 0.1), transparent 58%),
    radial-gradient(circle at 8% 92%, rgba(139, 92, 246, 0.1), transparent 55%),
    linear-gradient(158deg, rgba(16, 51, 31, 0.92), rgba(4, 21, 14, 0.55));
  overflow: hidden;
}

.page-contact .hero-frame::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 22px;
  right: 22px;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--line-600) 0 2px, transparent 2px 15px);
  pointer-events: none;
}

.page-contact .hero-frame::after {
  content: "";
  position: absolute;
  left: -2px;
  bottom: -2px;
  width: clamp(60px, 12vw, 140px);
  height: 10px;
  background: var(--lime-400);
  pointer-events: none;
}

.page-contact .hero-frame h1 {
  margin: clamp(14px, 2vw, 22px) 0 clamp(14px, 2vw, 20px);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 5.2vw, 3.9rem);
  line-height: 1.07;
  letter-spacing: -0.02em;
  font-stretch: 110%;
  max-width: 17ch;
}

.page-contact .hero-frame .lead {
  max-width: 62ch;
  color: var(--ink-400);
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .hero-meta__jump {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--lime-400);
  text-decoration: none;
  border-bottom: 1px dashed rgba(200, 255, 61, 0.45);
  padding-bottom: 2px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .hero-meta__jump:hover,
.page-contact .hero-meta__jump:focus-visible {
  color: var(--lime-200);
  border-color: var(--lime-200);
}

/* ---------- 三条渠道 ---------- */
.page-contact .contact-channels {
  position: relative;
  overflow: hidden;
}

.page-contact .channel-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.15;
  pointer-events: none;
}

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

.page-contact .contact-channels > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cc-gap);
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--cc-card-bg);
  border: var(--cc-line);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 26px;
  height: 26px;
  border-top: 2px solid var(--lime-400);
  border-left: 2px solid var(--lime-400);
  pointer-events: none;
  transition: width 220ms var(--ease), height 220ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--lime-400);
  box-shadow: var(--shadow-lift);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  width: 44px;
  height: 44px;
}

.page-contact .channel-card__idx {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--ink-400);
}

.page-contact .channel-card__title {
  margin: 2px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.15rem, 2.1vw, 1.4rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .channel-card__body {
  margin: 0;
  color: var(--ink-400);
  font-size: 0.98rem;
  line-height: 1.75;
}

.page-contact .channel-card__value {
  display: inline-block;
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(0.98rem, 1.6vw, 1.16rem);
  color: var(--lime-400);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px dashed rgba(200, 255, 61, 0.4);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  color: var(--lime-200);
  border-color: var(--lime-200);
}

.page-contact .channel-card__cta {
  align-self: flex-start;
  margin-top: auto;
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--ink-400);
}

/* ---------- 斜切色带 ---------- */
.page-contact .cc-band {
  height: 10px;
  margin: clamp(40px, 6vw, 76px) 0;
  background: linear-gradient(90deg, var(--lime-400) 0 40%, var(--orange-500) 40% 78%, var(--violet-500) 78% 100%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 26px) 100%, 0 100%);
}

.page-contact .cc-band--alt {
  background: linear-gradient(90deg, var(--violet-500) 0 26%, var(--cyan-400) 26% 64%, var(--lime-400) 64% 100%);
  clip-path: polygon(26px 0, 100% 0, 100% 100%, 0 100%);
}

/* ---------- 渠道选择表 ---------- */
.page-contact .route-table {
  display: grid;
  margin-top: clamp(22px, 3vw, 34px);
  border: var(--cc-line);
  background: var(--cc-panel-bg);
}

.page-contact .route-row {
  display: grid;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 24px);
  border-top: var(--cc-line);
  transition: background-color 180ms var(--ease);
}

.page-contact .route-row:first-child {
  border-top: 0;
}

.page-contact .route-row:not(.route-row--head):hover {
  background: rgba(30, 87, 56, 0.28);
}

.page-contact .route-row p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
}

.page-contact .route-row p:last-child {
  color: var(--ink-400);
  font-size: 0.92rem;
}

.page-contact .route-row .plate {
  justify-self: start;
}

.page-contact .route-row--head {
  background: rgba(16, 51, 31, 0.7);
  color: var(--ink-400);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
}

/* ---------- 提交信息清单 ---------- */
.page-contact .checklist-main h2 {
  margin: clamp(12px, 2vw, 18px) 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.page-contact .checklist-lead {
  margin: 14px 0 0;
  max-width: 54ch;
  color: var(--ink-400);
  line-height: 1.78;
}

.page-contact .checklist {
  list-style: none;
  padding: 0;
  margin: clamp(20px, 3vw, 30px) 0 0;
  display: grid;
  border: var(--cc-line);
  background: var(--cc-panel-bg);
}

.page-contact .checklist li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--line-600);
  font-size: 0.98rem;
  line-height: 1.68;
}

.page-contact .checklist li:first-child {
  border-top: 0;
}

.page-contact .checklist__num {
  flex: none;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--lime-400);
}

.page-contact .checklist-side .media-frame {
  margin: 0;
}

/* ---------- 合作与内容共建 ---------- */
.page-contact .partner-main h2 {
  margin: clamp(12px, 2vw, 18px) 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-contact .partner-main > p {
  margin: 16px 0 0;
  max-width: 60ch;
  color: var(--ink-400);
  line-height: 1.78;
}

.page-contact .partner-list {
  list-style: none;
  padding: 0;
  margin: clamp(20px, 3vw, 30px) 0 0;
  display: grid;
  gap: 14px;
}

.page-contact .partner-list li {
  position: relative;
  padding-left: 24px;
  line-height: 1.75;
  color: var(--ink-400);
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 2px;
  background: var(--lime-400);
}

.page-contact .partner-list strong {
  color: var(--ink-50);
  font-weight: 700;
}

.page-contact .partner-side {
  margin-top: clamp(24px, 3vw, 0px);
}

.page-contact .partner-note {
  border: var(--cc-line);
  background: rgba(139, 92, 246, 0.08);
  padding: clamp(20px, 2.6vw, 30px);
  display: grid;
  gap: 12px;
}

.page-contact .partner-note__k {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--violet-tint);
}

.page-contact .partner-note__v {
  margin: 0;
  color: var(--ink-400);
  font-size: 0.94rem;
  line-height: 1.75;
}

/* ---------- 联系地址 ---------- */
.page-contact .address-board {
  position: relative;
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(28px, 4.4vw, 52px);
  border: var(--cc-line);
  background-image:
    repeating-linear-gradient(90deg, transparent 0 40px, rgba(200, 255, 61, 0.07) 40px 42px),
    repeating-linear-gradient(0deg, transparent 0 40px, rgba(200, 255, 61, 0.07) 40px 42px);
  background-color: rgba(10, 35, 24, 0.7);
  overflow: hidden;
}

.page-contact .address-board::before,
.page-contact .address-board::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  pointer-events: none;
}

.page-contact .address-board::before {
  top: 10px;
  left: 10px;
  border-top: 2px solid var(--orange-500);
  border-left: 2px solid var(--orange-500);
}

.page-contact .address-board::after {
  bottom: 10px;
  right: 10px;
  border-bottom: 2px solid var(--orange-500);
  border-right: 2px solid var(--orange-500);
}

.page-contact .address-board__line {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
}

.page-contact .address-board__hint {
  margin: 0;
  max-width: 52ch;
  color: var(--ink-400);
  line-height: 1.75;
}

/* ---------- 回复节奏 ---------- */
.page-contact .sla-strip {
  display: grid;
  gap: 2px;
  margin-top: clamp(20px, 3vw, 30px);
  border: var(--cc-line);
  background: var(--line-600);
}

.page-contact .sla-cell {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--pitch-900);
}

.page-contact .sla-cell .stat__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.6vw, 1.95rem);
  line-height: 1.12;
  color: var(--lime-400);
}

.page-contact .sla-cell .stat__label {
  color: var(--ink-400);
  font-size: 0.94rem;
  line-height: 1.55;
}

/* ---------- 继续看看 ---------- */
.page-contact .more-grid {
  display: grid;
  gap: 12px;
}

.page-contact .more-card {
  position: relative;
  display: grid;
  gap: 8px;
  padding: clamp(20px, 2.6vw, 28px);
  border: var(--cc-line);
  background: rgba(10, 35, 24, 0.5);
  text-decoration: none;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .more-card:hover,
.page-contact .more-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--lime-400);
  background: rgba(200, 255, 61, 0.06);
}

.page-contact .more-card__k {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--ink-400);
}

.page-contact .more-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.1rem;
  line-height: 1.28;
}

.page-contact .more-card p {
  margin: 0;
  color: var(--ink-400);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-contact .more-card__arrow {
  position: absolute;
  top: clamp(18px, 2.4vw, 26px);
  right: clamp(18px, 2.4vw, 26px);
  color: var(--lime-400);
  font-size: 1rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .route-row {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.6fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 20px;
  }

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

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

@media (min-width: 900px) {
  .page-contact .grid--7-5 {
    align-items: start;
  }

  .page-contact .grid--8-4 {
    align-items: start;
  }
}

@media (max-width: 759px) {
  .page-contact .cc-band {
    clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
  }

  .page-contact .cc-band--alt {
    clip-path: polygon(16px 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-contact .route-row--head {
    display: none;
  }

  .page-contact .address-board {
    background-image:
      repeating-linear-gradient(90deg, transparent 0 28px, rgba(200, 255, 61, 0.06) 28px 30px),
      repeating-linear-gradient(0deg, transparent 0 28px, rgba(200, 255, 61, 0.06) 28px 30px);
  }
}