.page-contact {
  --contact-line: rgba(15, 42, 36, 0.13);
  --contact-pad: clamp(22px, 3.4vw, 34px);
  background: var(--paper);
  color: var(--ink);
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  position: relative;
  background: var(--ink-green);
  color: #fff;
  padding: calc(var(--header-h) + 30px) 0 clamp(38px, 5vw, 66px);
  overflow: hidden;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 86% 6%, rgba(201, 162, 74, 0.2), transparent 58%);
  pointer-events: none;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -170px;
  top: -190px;
  border: 1px solid rgba(201, 162, 74, 0.28);
  border-radius: 50%;
  pointer-events: none;
}
.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}
.page-contact .contact-hero .breadcrumb-link,
.page-contact .contact-hero .breadcrumb-item {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}
.page-contact .contact-hero .breadcrumb-link:hover {
  color: var(--gold);
}
.page-contact .contact-hero .breadcrumb-item[aria-current="page"] {
  color: var(--gold);
}
.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(30px, 4.5vw, 52px);
  align-items: start;
  margin-top: clamp(22px, 3.6vw, 36px);
}
.page-contact .contact-hero__intro .section-label {
  color: var(--gold);
}
.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(31px, 5.2vw, 56px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 17ch;
}
.page-contact .contact-hero .lede {
  margin: 20px 0 0;
  font-size: clamp(15.5px, 1.9vw, 18.5px);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.82);
  max-width: 44ch;
}
.page-contact .contact-hero__meta {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(201, 162, 74, 0.92);
}

/* 渠道卡 */
.page-contact .channel-stack {
  display: grid;
  gap: 14px;
}
.page-contact .channel-card {
  border-radius: var(--r-md);
  padding: var(--contact-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-contact .channel-card--sand {
  background: var(--sand);
  color: var(--ink);
}
.page-contact .channel-card--deep {
  background: var(--ink-green-2);
  color: #fff;
  border: 1px solid rgba(201, 162, 74, 0.45);
}
.page-contact .channel-label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink-green-3);
}
.page-contact .channel-card--deep .channel-label {
  color: var(--gold);
}
.page-contact .channel-mail,
.page-contact .channel-phone {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 18px);
  font-weight: 600;
  letter-spacing: -0.01em;
  word-break: break-word;
}
.page-contact .channel-card--deep .channel-phone {
  color: #fff;
  font-size: clamp(21px, 2.8vw, 27px);
}
.page-contact .channel-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--rock);
}
.page-contact .channel-card--deep .channel-desc {
  color: rgba(255, 255, 255, 0.72);
}
.page-contact .channel-time {
  margin: 0;
  font-size: 12.5px;
  color: var(--rock);
}
.page-contact .channel-card--deep .channel-time {
  color: rgba(201, 162, 74, 0.86);
}
.page-contact .channel-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-contact .contact-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1.5px solid var(--red);
  border-radius: var(--pill);
  background: transparent;
  color: var(--red);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), transform var(--ease);
}
.page-contact .contact-copy:hover {
  background: var(--red);
  color: #fff;
}
.page-contact .contact-copy:active {
  transform: translateY(1px);
}
.page-contact .contact-copy-status {
  font-size: 12.5px;
  color: var(--ink-green-3);
  min-height: 1.2em;
}
.page-contact .contact-call {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 26px;
  border-radius: var(--pill);
  background: var(--gold);
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background var(--ease), color var(--ease);
}
.page-contact .contact-call:hover {
  background: var(--sand);
  color: var(--ink-green);
}

/* ============ 首屏下方场景图 ============ */
.page-contact .contact-visual {
  padding: clamp(26px, 4vw, 48px) 0 0;
}
.page-contact .contact-visual__frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--mist);
}
.page-contact .contact-visual__frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ============ 通用章节 ============ */
.page-contact .contact-section {
  padding: clamp(46px, 7vw, 92px) 0;
}
.page-contact .contact-section--mist {
  background: var(--mist);
}
.page-contact .section-head {
  max-width: 720px;
  margin-bottom: clamp(26px, 4vw, 44px);
}
.page-contact .section-head h2 {
  margin: 12px 0 0;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.015em;
}
.page-contact .section-sub {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.66;
  color: var(--rock);
  max-width: 60ch;
}

/* ============ 两类需求 ============ */
.page-contact .route-cards {
  display: grid;
  gap: 16px;
}
.page-contact .route-card {
  background: #fff;
  border-radius: var(--r-md);
  border-left: 4px solid var(--gold);
  padding: clamp(24px, 3.2vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--ease), border-color var(--ease);
}
.page-contact .route-card--alt {
  border-left-color: var(--red);
}
.page-contact .route-card:hover {
  transform: translateY(-3px);
  border-left-color: var(--ink-green);
}
.page-contact .route-card--alt:hover {
  border-left-color: var(--red);
}
.page-contact .route-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold);
}
.page-contact .route-card--alt .route-card__num {
  color: var(--red);
}
.page-contact .route-card h3 {
  margin: 0;
  font-size: clamp(18px, 2.3vw, 22px);
  line-height: 1.34;
  font-weight: 700;
}
.page-contact .route-card > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--rock);
}
.page-contact .route-card__facts {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--contact-line);
  display: grid;
  gap: 12px;
}
.page-contact .route-card__facts > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.page-contact .route-card__facts dt {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--ink-green-3);
}
.page-contact .route-card__facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}
.page-contact .route-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink-green);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1.5px solid var(--gold);
  transition: color var(--ease), border-color var(--ease);
}
.page-contact .route-card__link:hover {
  color: var(--red);
  border-color: var(--red);
}

/* ============ 提交要点 ============ */
.page-contact .submit-grid {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}
.page-contact .submit-main h2 {
  margin: 12px 0 0;
  font-size: clamp(25px, 3.4vw, 36px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.015em;
}
.page-contact .check-list {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .check-item {
  position: relative;
}
.page-contact .check-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}
.page-contact .check-label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: #fff;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: box-shadow var(--ease), background var(--ease);
}
.page-contact .check-label:hover {
  box-shadow: inset 0 0 0 1px var(--gold);
}
.page-contact .check-input:focus-visible + .check-label {
  box-shadow: inset 0 0 0 2px var(--gold);
}
.page-contact .check-box {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  border: 1.5px solid var(--ink-green-3);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ease), border-color var(--ease);
}
.page-contact .check-box::after {
  content: "";
  width: 10px;
  height: 5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
  transition: opacity var(--ease);
}
.page-contact .check-input:checked + .check-label .check-box {
  background: var(--ink-green);
  border-color: var(--ink-green);
}
.page-contact .check-input:checked + .check-label .check-box::after {
  opacity: 1;
}
.page-contact .check-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  padding-top: 3px;
}
.page-contact .check-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-contact .check-body strong {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
}
.page-contact .check-body span {
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--rock);
}
.page-contact .contact-note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--ink-green-3);
}
.page-contact .submit-aside .media-frame {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--sand);
}
.page-contact .submit-aside img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ============ 合作方向 ============ */
.page-contact .coop-grid {
  display: grid;
  gap: 16px;
}
.page-contact .coop-item {
  background: #fff;
  border-radius: var(--r-md);
  border-top: 3px solid var(--ink-green);
  padding: clamp(22px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-contact .coop-item:nth-child(2) {
  border-top-color: var(--gold);
}
.page-contact .coop-item:nth-child(3) {
  border-top-color: var(--red);
}
.page-contact .coop-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--rock);
}
.page-contact .coop-item h3 {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.36;
  font-weight: 700;
}
.page-contact .coop-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--rock);
}
.page-contact .coop-item ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.page-contact .coop-item li {
  position: relative;
  padding-left: 17px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink);
}
.page-contact .coop-item li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}
.page-contact .coop-foot {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--contact-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}
.page-contact .coop-foot a {
  color: var(--ink-green);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1.5px solid var(--gold);
  transition: color var(--ease), border-color var(--ease);
}
.page-contact .coop-foot a:hover {
  color: var(--red);
  border-color: var(--red);
}

/* ============ 信息条 ============ */
.page-contact .contact-strip {
  background: var(--sand);
  padding: clamp(20px, 3vw, 30px) 0;
}
.page-contact .strip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px 26px;
  grid-template-columns: 1fr;
}
.page-contact .strip-list li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.page-contact .strip-key {
  font-size: 11px;
  letter-spacing: 0.13em;
  font-weight: 700;
  color: var(--ink-green-3);
}
.page-contact .strip-val {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-contact .strip-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .route-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
  .page-contact .submit-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr) minmax(0, 0.9fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .strip-list {
    grid-template-columns: repeat(5, auto);
    justify-content: space-between;
    gap: 26px;
  }
}

@media (max-width: 420px) {
  .page-contact .channel-mail {
    font-size: 13.5px;
  }
  .page-contact .check-label {
    padding: 14px 14px;
    gap: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .contact-copy,
  .page-contact .contact-call,
  .page-contact .check-label,
  .page-contact .check-box {
    transition: none;
  }
  .page-contact .route-card:hover {
    transform: none;
  }
}
<<<END>>>