.page-contact {
  --contact-line: rgba(175, 192, 185, 0.28);
  --contact-panel: rgba(220, 231, 225, 0.06);
  --contact-glow: rgba(198, 242, 78, 0.14);
  background: var(--night);
  color: var(--paper);
  overflow-x: clip;
}

.page-contact a:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .section {
  padding: clamp(56px, 7vw, 104px) 0;
}

.page-contact .section--tight {
  padding: clamp(40px, 5vw, 76px) 0;
}

.page-contact .section--light {
  background: var(--mist);
  color: var(--graphite);
}

.page-contact .section--light .eyebrow {
  color: var(--grass);
}

.page-contact .section--deep {
  background: var(--deep);
}

.page-contact .section--dark {
  background: var(--night);
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-size: var(--step-section);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 clamp(12px, 1.6vw, 18px);
}

.page-contact .eyebrow {
  font-family: var(--font-num);
  font-size: var(--step-note);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 12px;
}

.page-contact .lede {
  font-size: var(--step-body);
  line-height: 1.75;
  margin: 0;
  max-width: 66ch;
}

.page-contact .section-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

/* 面包屑 */
.page-contact .crumbs {
  padding: clamp(16px, 2.6vw, 30px) 0 0;
  color: var(--fog);
  font-size: var(--step-note);
}

.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--grass);
}

.page-contact .crumbs a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .crumbs a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(24px, 4vw, 52px) 0 clamp(56px, 7vw, 104px);
  background:
    radial-gradient(circle at 78% 8%, var(--contact-glow), transparent 58%),
    linear-gradient(158deg, var(--night) 0%, var(--deep) 58%, var(--night) 100%);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: auto -12% 0 auto;
  width: min(560px, 62%);
  height: 66%;
  background: repeating-linear-gradient(135deg, rgba(14, 107, 92, 0.38) 0 2px, transparent 2px 14px);
  clip-path: polygon(20% 0, 100% 0, 80% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-size: var(--step-hero);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(16px, 2vw, 24px);
}

.page-contact .hero-copy .lede {
  color: rgba(244, 247, 244, 0.82);
}

.page-contact .hero-channels {
  list-style: none;
  margin: clamp(26px, 3.2vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--contact-line);
  border: var(--bd-strong) solid var(--contact-line);
}

.page-contact .channel-row {
  background: rgba(8, 61, 54, 0.62);
  padding: clamp(14px, 2vw, 20px);
  display: grid;
  gap: 5px;
}

.page-contact .channel-label {
  font-size: var(--step-note);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-contact .channel-value {
  font-family: var(--font-num);
  font-size: clamp(1.05rem, 2.6vw, 1.6rem);
  font-weight: 700;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 2.8vw, 32px);
}

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

/* 事项分类 */
.page-contact .grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}

.page-contact .span-3,
.page-contact .span-4,
.page-contact .span-5,
.page-contact .span-6,
.page-contact .span-7,
.page-contact .span-8,
.page-contact .span-12 {
  grid-column: 1 / -1;
}

.page-contact .topic-grid {
  counter-reset: topic;
}

.page-contact .topic-card {
  background: var(--contact-panel);
  border: var(--bd-strong) solid var(--contact-line);
  padding: clamp(20px, 2.6vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .topic-card::before {
  counter-increment: topic;
  content: "0" counter(topic);
  font-family: var(--font-num);
  font-size: var(--step-note);
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-contact .topic-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.3;
  margin: 0;
}

.page-contact .topic-card p {
  margin: 0;
  font-size: var(--step-note);
  line-height: 1.75;
}

.page-contact .tag {
  align-self: flex-start;
  display: inline-block;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  padding: 4px 10px;
  border: 2px solid currentColor;
}

.page-contact .tag--amber {
  color: var(--amber);
}

.page-contact .tag--lime {
  color: var(--lime);
}

.page-contact .section--light .tag {
  color: var(--grass);
}

.page-contact .topic-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.page-contact .topic-link:hover,
.page-contact .topic-link:focus-visible {
  border-bottom-color: var(--lime);
}

.page-contact .section--light .topic-card {
  background: rgba(244, 247, 244, 0.72);
  border-color: rgba(16, 24, 23, 0.16);
  box-shadow: 5px 5px 0 0 rgba(14, 107, 92, 0.2);
}

.page-contact .section--light .topic-card p {
  color: rgba(16, 24, 23, 0.82);
}

.page-contact .section--light .topic-link {
  color: var(--deep);
  border-bottom-color: rgba(14, 107, 92, 0.35);
}

.page-contact .section--light .topic-link:hover {
  border-bottom-color: var(--deep);
}

/* 邮箱、电话与地址 */
.page-contact .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .contact-rows {
  list-style: none;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-contact .contact-row {
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.4vw, 26px) clamp(18px, 2.6vw, 32px);
  border-left: var(--bd-strong) solid var(--lime);
  background: linear-gradient(90deg, rgba(198, 242, 78, 0.09), rgba(11, 31, 51, 0));
}

.page-contact .contact-label {
  font-size: var(--step-note);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-contact .contact-value {
  font-family: var(--font-num);
  font-size: clamp(1.05rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-hint {
  font-size: var(--step-note);
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .channels-side {
  align-self: start;
  border: var(--bd-strong) solid var(--contact-line);
  background: rgba(11, 31, 51, 0.72);
  padding: clamp(20px, 2.6vw, 32px);
  box-shadow: var(--shadow-hard);
}

.page-contact .channels-side h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  margin: 0 0 12px;
  color: var(--lime);
}

.page-contact .side-address {
  font-family: var(--font-num);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--paper);
  margin: 0 0 14px;
}

.page-contact .side-note {
  font-size: var(--step-note);
  line-height: 1.75;
  color: var(--fog);
  margin: 0;
}

/* 数据纠错 */
.page-contact .fix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .fix-steps {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .fix-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
  padding-bottom: clamp(12px, 1.8vw, 18px);
  border-bottom: 1px dashed rgba(16, 24, 23, 0.24);
}

.page-contact .step-num {
  font-family: var(--font-num);
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  line-height: 1.15;
  color: var(--grass);
}

.page-contact .fix-steps h3 {
  font-size: 1.02rem;
  margin: 0 0 4px;
}

.page-contact .fix-steps p {
  margin: 0;
  font-size: var(--step-note);
  line-height: 1.7;
  color: rgba(16, 24, 23, 0.78);
}

.page-contact .fix-note {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--amber);
  font-size: var(--step-note);
  line-height: 1.75;
  color: rgba(16, 24, 23, 0.78);
}

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

.page-contact .media-caption {
  font-size: var(--step-note);
  line-height: 1.65;
  color: rgba(16, 24, 23, 0.72);
  margin: 12px 0 0;
}

/* 合作与内容共建 */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .partner-main .lede {
  color: rgba(244, 247, 244, 0.82);
}

.page-contact .partner-list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .partner-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(244, 247, 244, 0.86);
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 11px;
  height: 11px;
  background: var(--lime);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.page-contact .partner-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-contact .partner-side {
  align-self: start;
  border: var(--bd-strong) solid var(--contact-line);
  background: var(--contact-panel);
  padding: clamp(20px, 2.6vw, 32px);
  box-shadow: var(--shadow-hard);
}

.page-contact .partner-side h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  margin: 0;
  color: var(--amber);
}

.page-contact .partner-side ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: var(--step-note);
  line-height: 1.75;
  color: rgba(244, 247, 244, 0.84);
}

.page-contact .partner-side li {
  position: relative;
  padding-left: 18px;
}

.page-contact .partner-side li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--amber);
}

.page-contact .partner-side .side-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--contact-line);
}

/* 响应时间与快速入口 */
.page-contact .contact-close {
  background: linear-gradient(180deg, var(--deep) 0%, var(--night) 100%);
}

.page-contact .response-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 3.4vw, 40px) 0;
  border-top: var(--bd-strong) solid var(--contact-line);
  border-bottom: var(--bd-strong) solid var(--contact-line);
}

.page-contact .band-head .section-title {
  margin-bottom: 0;
  font-size: clamp(1.5rem, 2.6vw, 2.4rem);
}

.page-contact .band-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2vw, 24px);
}

.page-contact .band-track li {
  position: relative;
  padding-top: 20px;
}

.page-contact .band-track li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--lime), var(--amber));
}

.page-contact .band-time {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(1.05rem, 2.2vw, 1.45rem);
  font-weight: 700;
  color: var(--lime);
}

.page-contact .band-text {
  display: block;
  margin-top: 4px;
  font-size: var(--step-note);
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .band-foot {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  max-width: 72ch;
  font-size: var(--step-note);
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 36px);
}

@media (min-width: 700px) {
  .page-contact .band-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .response-band {
    grid-template-columns: minmax(0, 0.5fr) minmax(0, 1.5fr);
    align-items: center;
  }

  .page-contact .span-4 {
    grid-column: span 4;
  }

  .page-contact .span-6 {
    grid-column: span 6;
  }

  .page-contact .span-12 {
    grid-column: span 12;
  }
}

@media (min-width: 980px) {
  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .fix-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (max-width: 640px) {
  .page-contact h1 {
    font-size: clamp(2.1rem, 9.5vw, 3rem);
  }

  .page-contact .contact-value {
    font-size: clamp(1rem, 5.2vw, 1.35rem);
  }

  .page-contact .fix-steps li {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    animation: none !important;
    transition: none !important;
  }
}