.page-contact {
  --contact-rule: rgba(11, 27, 43, .14);
  --contact-rule-dark: rgba(255, 255, 255, .18);
  --contact-pad: clamp(16px, 2.6vw, 28px);
  background-color: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ── 首屏 ───────────────────────────────────────── */

.page-contact .contact-hero {
  padding-block: clamp(16px, 3vw, 28px) clamp(30px, 5vw, 60px);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 44px);
  align-items: center;
}

.page-contact .hero-copy h1 {
  margin: 12px 0 0;
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.025em;
}

.page-contact .hero-accent {
  color: var(--orange);
}

.page-contact .hero-lead {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .hero-aside {
  position: relative;
  background-color: var(--ink);
  color: var(--white);
  padding: clamp(22px, 3vw, 34px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .hero-aside .eyebrow {
  color: var(--neon);
}

.page-contact .aside-big {
  margin: 12px 0;
  font-family: var(--font-mono);
  font-style: italic;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .aside-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255, 255, 255, .72);
}

/* ── 联系方式板 ─────────────────────────────────── */

.page-contact .channel-board {
  background-color: var(--space);
  color: var(--white);
  padding-block: clamp(34px, 6vw, 70px);
}

.page-contact .channel-title {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(20px, 2.8vw, 30px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .channel-block {
  border-top: 1px solid var(--contact-rule-dark);
  padding-top: clamp(16px, 2.2vw, 22px);
  margin-top: clamp(18px, 2.4vw, 28px);
}

.page-contact .channel-block:first-of-type {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.page-contact .channel-label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, .58);
}

.page-contact .channel-value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-style: italic;
  font-size: clamp(19px, 3.1vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .channel-block:nth-of-type(3) .channel-value {
  color: var(--neon);
}

.page-contact .channel-hint {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(255, 255, 255, .68);
}

.page-contact .contact-figure {
  margin: 0;
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .contact-figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .62);
}

/* ── 问题分类 ───────────────────────────────────── */

.page-contact .issue-section {
  background-color: var(--paper);
}

.page-contact .section-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-contact .section-head h2 {
  margin: 10px 0 0;
  font-weight: 900;
  font-size: clamp(23px, 3.5vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-contact .section-note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .section-note a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .issue-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: var(--contact-rule);
  border: 1px solid var(--contact-rule);
}

.page-contact .issue-item {
  background-color: var(--paper);
  padding: var(--contact-pad);
  transition: background-color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .issue-item:hover {
  background-color: var(--white);
  transform: translateY(-2px);
}

.page-contact .issue-num {
  margin: 0;
  font-family: var(--font-mono);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-contact .issue-item h3 {
  margin: 12px 0 0;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.page-contact .issue-item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .issue-item a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ── 合作共建 ───────────────────────────────────── */

.page-contact .coop-section {
  background-color: var(--paper);
  background-image: linear-gradient(180deg, rgba(221, 235, 250, .55), rgba(221, 235, 250, 0) 72%);
  border-top: 1px solid var(--contact-rule);
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 20px);
}

.page-contact .coop-stat {
  background-color: var(--space);
  color: var(--white);
  padding: clamp(20px, 3vw, 30px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .coop-num {
  margin: 0;
  font-family: var(--font-mono);
  font-style: italic;
  font-size: clamp(32px, 5.2vw, 48px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--neon);
}

.page-contact .coop-label {
  margin: 10px 0 0;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .coop-text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .7);
}

/* ── 咨询准备 ───────────────────────────────────── */

.page-contact .prep-section {
  background-color: var(--paper);
}

.page-contact .prep-section .section-note {
  max-width: 40ch;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: clamp(15px, 2.3vw, 22px) 0;
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .prep-index {
  font-family: var(--font-mono);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 3px;
}

.page-contact .prep-item h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
}

.page-contact .prep-item p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ── 地址横条 ───────────────────────────────────── */

.page-contact .address-band {
  position: relative;
  overflow: hidden;
  background-color: var(--ink);
  color: var(--white);
  padding-block: clamp(36px, 6vw, 76px);
}

.page-contact .address-band::before {
  content: "";
  position: absolute;
  top: -45%;
  right: -18%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at center, rgba(185, 255, 57, .16), transparent 66%);
  pointer-events: none;
}

.page-contact .address-band .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .address-band .eyebrow {
  color: var(--neon);
}

.page-contact .address-title {
  margin: 10px 0 0;
  font-size: clamp(20px, 2.8vw, 30px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .address-text {
  margin: 12px 0 0;
  font-style: normal;
  font-size: clamp(19px, 2.9vw, 28px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .address-note {
  margin: 14px 0 0;
  max-width: 42ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .7);
}

.page-contact .contact-map {
  margin: 0;
}

.page-contact .contact-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-contact .contact-map figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .6);
}

/* ── 收尾 ───────────────────────────────────────── */

.page-contact .cta-band {
  background-color: var(--paper);
  border-top: 3px solid var(--orange);
  padding-block: clamp(32px, 5vw, 64px);
}

.page-contact .cta-inner {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-contact .cta-inner h2 {
  margin: 10px 0 0;
  max-width: 26ch;
  font-size: clamp(22px, 3.2vw, 36px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-contact .cta-note {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .cta-note a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── 响应式 ─────────────────────────────────────── */

@media (min-width: 640px) {
  .page-contact .issue-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 760px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .cta-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, auto);
    justify-content: space-between;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .issue-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 639px) {
  .page-contact .channel-value {
    font-size: clamp(17px, 5vw, 22px);
  }

  .page-contact .prep-item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
  }
}
<<<END>>>