.page-contact {
  --pc-glow: radial-gradient(900px 520px at 76% -12%, rgba(53, 227, 196, .16), transparent 72%);
  --pc-lines: repeating-linear-gradient(115deg, rgba(232, 241, 236, .045) 0 1px, transparent 1px 15px);
}

/* ---------- 首屏：对折双栏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(30px, 4.6vw, 54px) 0 clamp(42px, 6vw, 76px);
  background-image: var(--pc-glow), var(--pc-lines);
  border-bottom: 1px solid var(--hair);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(22px, 3vw, 34px);
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(30px, 4.4vw, 60px);
    align-items: start;
  }
}

.page-contact .hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .kicker-line {
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .hero-sub {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-contact .channel-list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid var(--hair);
}

.page-contact .channel-no {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: .02em;
  color: var(--orange);
}

.page-contact .channel-name {
  margin: 0;
  font-size: var(--fs-17);
  font-weight: 600;
  color: var(--paper);
}

.page-contact .channel-desc {
  margin: 6px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}

/* 玻璃速览卡 */
.page-contact .contact-quick {
  padding: clamp(20px, 3vw, 30px);
  background: var(--glass);
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.page-contact .quick-label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-contact .quick-item {
  padding: 14px 0;
  border-top: 1px solid var(--hair);
}

.page-contact .quick-item:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-contact .quick-key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .quick-val {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(19px, 3.2vw, 26px);
  letter-spacing: .01em;
  line-height: 1.25;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .quick-val--sm {
  font-family: var(--font-body);
  font-size: var(--fs-17);
}

.page-contact .quick-note {
  margin: 16px 0 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 通用章节 ---------- */
.page-contact .flow {
  padding: clamp(46px, 6.6vw, 84px) 0;
  border-top: 1px solid var(--hair);
}

.page-contact .flow--tint {
  background: var(--ink-2);
}

.page-contact .lead-text {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 01 三条通道 ---------- */
.page-contact .route-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 38px);
}

@media (min-width: 840px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 22px;
  background: var(--ink-2);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-contact .flow--tint .route-card {
  background: var(--ink);
}

.page-contact .route-card:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-contact .route-icon {
  width: 30px;
  height: 30px;
  color: var(--cyan);
}

.page-contact .route-no {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .route-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .route-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .route-foot {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--cyan-soft);
}

.page-contact .route-visual {
  margin: clamp(28px, 3.6vw, 42px) 0 0;
}

/* ---------- 02 联系方式 ---------- */
.page-contact .contact-sheet {
  margin-top: clamp(24px, 3.2vw, 36px);
  background: var(--ink);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .sheet-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 20px;
  border-top: 1px solid var(--hair);
}

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

@media (min-width: 660px) {
  .page-contact .sheet-row {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 4px 26px;
    padding: 20px 26px;
  }
}

.page-contact .sheet-key {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--orange);
}

.page-contact .sheet-val {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 03 处理节奏 ---------- */
.page-contact .timeline {
  list-style: none;
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 900px) {
  .page-contact .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-contact .tl-item {
  position: relative;
  padding: 24px 20px 22px;
  background: var(--ink-2);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
}

.page-contact .tl-item::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), transparent 78%);
}

.page-contact .tl-step {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .tl-title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-17);
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .tl-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 04 影像投稿 ---------- */
.page-contact .spec-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(24px, 3.2vw, 36px);
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-contact .spec-item {
  padding: 22px 22px 24px;
  background: var(--ink-2);
}

.page-contact .spec-key {
  display: inline-block;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--cyan);
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--fs-17);
  letter-spacing: .04em;
  color: var(--paper);
}

.page-contact .spec-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* ---------- 05 合作共建 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.2vw, 36px);
}

@media (min-width: 800px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-contact .coop-card {
  padding: 26px 24px 28px;
  background: var(--ink-2);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
}

.page-contact .coop-stat {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(52px, 9vw, 84px);
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-contact .coop-label {
  margin: 8px 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--orange);
}

.page-contact .coop-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-22);
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .coop-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .coop-steps {
  margin-top: clamp(28px, 3.6vw, 44px);
  padding: 24px 22px 26px;
  background: var(--glass);
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius);
}

.page-contact .coop-steps-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-22);
  color: var(--paper);
}

.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .steps > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .steps > li > span {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--fs-17);
  line-height: 1.6;
  color: var(--cyan);
}

/* ---------- 收尾 ---------- */
.page-contact .closing {
  padding: clamp(40px, 6vw, 72px) 0 clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--hair);
}

.page-contact .closing-visual {
  margin: 0;
}

.page-contact .meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .meta-item {
  position: relative;
  padding-left: 14px;
}

.page-contact .meta-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .coop-card,
.page-contact .tl-item,
.page-contact .route-card,
.page-contact .spec-item,
.page-contact .contact-sheet,
.page-contact .contact-quick {
  overflow-wrap: anywhere;
}