/* ===== 合作联系页 ===== */
.page-contact {
  --contact-hair: rgba(17, 17, 17, 0.14);
  --contact-ink-soft: #3B3733;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--paper-warm);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(201, 162, 39, 0.16), transparent 62%),
    linear-gradient(162deg, var(--ink) 0%, var(--charcoal) 64%, #131110 100%);
  padding: clamp(22px, 5vw, 52px) 0 clamp(40px, 7vw, 92px);
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: grayscale(0.45) contrast(1.06);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(96deg, rgba(17, 17, 17, 0.94) 0%, rgba(17, 17, 17, 0.72) 48%, rgba(20, 18, 16, 0.5) 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -10%;
  width: min(74vw, 760px);
  height: 152%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(200deg, rgba(179, 58, 43, 0.6), rgba(179, 58, 43, 0) 64%);
  clip-path: polygon(62% 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(30px, 5vw, 52px);
}

.page-contact .contact-hero__lead {
  min-width: 0;
  max-width: 820px;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(20px, 3.6vw, 40px);
}

.page-contact .contact-hero .breadcrumb__link,
.page-contact .contact-hero .breadcrumb__sep {
  color: var(--paper-52);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.page-contact .contact-hero .breadcrumb__link:hover,
.page-contact .contact-hero .breadcrumb__link:focus-visible {
  color: var(--gold);
}

.page-contact .contact-hero .breadcrumb__current {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .eyebrow::before {
  content: "";
  flex: none;
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.page-contact .contact-hero h1 {
  margin: 0.34em 0 0.56em;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(32px, 7vw, 74px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--paper-warm);
}

.page-contact .contact-hero h1 em {
  font-style: normal;
  color: var(--gold);
  font-weight: 500;
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--paper-72);
}

/* 首屏玻璃联系卡 */
.page-contact .contact-card {
  min-width: 0;
  padding: clamp(20px, 3vw, 30px);
  background: rgba(20, 18, 16, 0.62);
  border: 1px solid var(--gold-line);
  box-shadow: 0 28px 60px -32px rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-contact .contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
  padding-bottom: 14px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--gold-line-soft);
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--paper-warm);
}

.page-contact .contact-card__tag {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .contact-line {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--paper-16);
  text-decoration: none;
}

.page-contact .contact-line__key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--paper-52);
}

.page-contact .contact-line__val {
  font-family: var(--serif);
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--paper-warm);
  overflow-wrap: anywhere;
  transition: color 0.22s var(--ease);
}

.page-contact .contact-line:hover .contact-line__val,
.page-contact .contact-line:focus-visible .contact-line__val {
  color: var(--gold);
}

.page-contact .contact-card__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--paper-72);
}

/* ---------- 正文区 ---------- */
.page-contact .contact-body {
  background: var(--paper);
  color: var(--ink);
  padding-block: clamp(40px, 7vw, 84px) clamp(40px, 6vw, 76px);
}

.page-contact .section {
  padding-block: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--contact-hair);
}

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

.page-contact .section .eyebrow {
  color: var(--gold-deep);
}

.page-contact .section-head {
  max-width: 60ch;
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-contact .section-title {
  margin: 0.28em 0 0.4em;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-contact .section-lede {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.82;
  color: var(--fog);
}

.page-contact .link-more {
  display: inline-flex;
  margin-top: clamp(16px, 2.4vw, 24px);
  font-size: 14px;
  letter-spacing: 0.04em;
}

/* ---------- 01 咨询范围 ---------- */
.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .scope-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  padding-block: clamp(14px, 2.2vw, 22px);
  border-top: 1px solid var(--contact-hair);
}

.page-contact .scope-list .scope-item:last-child {
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .scope-item__num {
  grid-column: 1;
  grid-row: 1;
  padding-top: 0.35em;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
}

.page-contact .scope-item__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .scope-item__text {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--contact-ink-soft);
}

/* ---------- 02 联系渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 34px);
}

.page-contact .channel {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  padding-block: 18px;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .channel-list .channel:last-child {
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .channel__key {
  grid-column: 1;
  grid-row: 1;
  padding-top: 0.35em;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fog);
}

.page-contact .channel__value {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
  justify-self: start;
  font-family: var(--serif);
  font-size: clamp(17px, 2.1vw, 22px);
  color: var(--ink);
  text-decoration: none;
  overflow-wrap: anywhere;
  background-image: linear-gradient(var(--gold), var(--gold));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 0.3s var(--ease), color 0.2s var(--ease);
}

.page-contact .channel__value:hover,
.page-contact .channel__value:focus-visible {
  color: var(--gold-deep);
  background-size: 100% 1px;
}

.page-contact .channel__address {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 2.05;
  letter-spacing: 0.02em;
  color: var(--contact-ink-soft);
}

.page-contact .channel__note {
  grid-column: 2;
  grid-row: 2;
  margin: 2px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--fog);
}

.page-contact .channel:has(.channel__address) .channel__note {
  grid-row: 3;
}

.page-contact .channel-aside {
  padding: clamp(18px, 2.8vw, 26px);
  background: var(--paper-warm);
  border: 1px solid var(--contact-hair);
  border-left: 3px solid var(--cinnabar);
}

.page-contact .channel-aside__label {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cinnabar);
}

.page-contact .channel-aside__time {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .channel-aside__time span {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: clamp(15px, 1.8vw, 18px);
  letter-spacing: 0.06em;
  color: var(--gold-deep);
}

.page-contact .channel-aside__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 03 沟通准备 ---------- */
.page-contact .brief-panel {
  padding: clamp(16px, 3vw, 30px);
  background: var(--paper-warm);
  border: 1px solid var(--contact-hair);
}

.page-contact .brief-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .brief-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  column-gap: 14px;
  padding-block: 16px;
  border-bottom: 1px dashed rgba(17, 17, 17, 0.16);
}

.page-contact .brief-list .brief-item:first-child {
  padding-top: 4px;
}

.page-contact .brief-list .brief-item:last-child {
  padding-bottom: 4px;
  border-bottom: 0;
}

.page-contact .brief-item__num {
  padding-top: 0.2em;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
}

.page-contact .brief-item__body {
  min-width: 0;
}

.page-contact .brief-item__title {
  margin: 0 0 0.32em;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .brief-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
  overflow-wrap: anywhere;
}

/* ---------- 04 推进节奏 ---------- */
.page-contact .flow {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-contact .flow::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold), var(--gold-line-soft));
}

.page-contact .flow__step {
  position: relative;
  padding-left: 40px;
}

.page-contact .flow__node {
  position: absolute;
  left: 0;
  top: 4px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--gold);
  display: grid;
  place-items: center;
  transition: background-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-contact .flow__node::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold-deep);
  transition: background-color 0.25s var(--ease);
}

.page-contact .flow__step:hover .flow__node,
.page-contact .flow__step:focus-within .flow__node {
  background: var(--gold);
  transform: scale(1.1);
}

.page-contact .flow__step:hover .flow__node::after,
.page-contact .flow__step:focus-within .flow__node::after {
  background: var(--ink);
}

.page-contact .flow__no {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
}

.page-contact .flow__title {
  margin: 0.4em 0 0.36em;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--ink);
}

.page-contact .flow__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--contact-ink-soft);
}

/* ---------- 05 服务地区 ---------- */
.page-contact .coverage {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .coverage__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--contact-ink-soft);
}

.page-contact .coverage-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .coverage-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .coverage-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--cinnabar);
  transform: rotate(45deg);
}

.page-contact .coverage__media {
  margin: 0;
  min-width: 0;
  background: var(--paper-warm);
  border: 1px solid var(--contact-hair);
  overflow: hidden;
}

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

.page-contact .coverage__media .figure-caption {
  display: block;
  padding: 10px 14px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--fog);
  border-top: 1px solid var(--contact-hair);
}

/* ---------- 06 常见场景 ---------- */
.page-contact .scene-list {
  border-bottom: 1px solid var(--contact-hair);
}

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

.page-contact .scene__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(16px, 2.4vw, 20px) 2px;
  cursor: pointer;
  list-style: none;
}

.page-contact .scene__summary::-webkit-details-marker {
  display: none;
}

.page-contact .scene__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.5;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

.page-contact .scene__summary:hover .scene__title,
.page-contact .scene__summary:focus-visible .scene__title {
  color: var(--gold-deep);
}

.page-contact .scene[open] .scene__title {
  color: var(--cinnabar);
}

.page-contact .scene__hint {
  flex: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
  white-space: nowrap;
}

.page-contact .scene__hint::after {
  content: "展开";
}

.page-contact .scene[open] .scene__hint::after {
  content: "收起";
}

.page-contact .scene__body {
  display: grid;
  gap: 6px;
  padding: 0 2px clamp(18px, 2.6vw, 24px);
}

.page-contact .scene__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--contact-ink-soft);
}

.page-contact .scene__body .link-more {
  margin-top: 8px;
}

/* ---------- 收束条 ---------- */
.page-contact .contact-tail {
  display: grid;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 46px);
  padding: clamp(18px, 3vw, 28px);
  background: var(--paper-warm);
  border: 1px solid var(--contact-hair);
  border-left: 3px solid var(--cinnabar);
}

.page-contact .contact-tail__title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(16px, 1.9vw, 19px);
  color: var(--ink);
}

.page-contact .contact-tail__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .contact-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero__lede {
    font-size: 17px;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    align-items: end;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, 0.85fr);
    align-items: start;
  }

  .page-contact .coverage {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-contact .scope-item {
    grid-template-columns: 34px 220px minmax(0, 1fr);
    column-gap: 28px;
  }

  .page-contact .scope-item__num {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .scope-item__title {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .scope-item__text {
    grid-column: 3;
    grid-row: 1;
    padding-top: 0.15em;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero {
    padding-bottom: clamp(64px, 7vw, 110px);
  }

  .page-contact .flow__step {
    padding-left: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-line__val,
  .page-contact .channel__value,
  .page-contact .flow__node,
  .page-contact .flow__node::after,
  .page-contact .scene__title {
    transition: none;
  }
}
<<<END>>>