.page-contact {
  --contact-grid-size: 44px;
  --contact-grid-line: rgba(57, 255, 20, 0.07);
  --contact-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  position: relative;
  background-color: var(--color-base);
  background-image:
    linear-gradient(var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px);
  background-size: var(--contact-grid-size) var(--contact-grid-size);
  color: var(--color-white);
  min-height: 100vh;
  overflow-x: hidden;
}

/* 面包屑 */
.page-contact .contact-breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-gray);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity 0.2s;
}

.page-contact .contact-breadcrumb a:hover {
  opacity: 0.75;
}

.page-contact .breadcrumb-sep {
  color: var(--color-gray);
  opacity: 0.6;
}

/* 首屏 */
.page-contact .contact-hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 0 56px;
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-contact .contact-hero-copy {
  position: relative;
}

.page-contact .eyebrow {
  display: inline-block;
  background: rgba(57, 255, 20, 0.12);
  border-left: 3px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
  padding: 8px 12px;
  transform: skewX(var(--slant));
  margin-bottom: 18px;
  text-transform: uppercase;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  max-width: 720px;
}

.page-contact .contact-hero-lead {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(248, 250, 252, 0.78);
  max-width: 580px;
  margin: 0 0 28px;
}

.page-contact .contact-hero .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* 首屏图片 */
.page-contact .contact-hero-media {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--contact-shadow);
}

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

.page-contact .contact-hero-media figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(10, 31, 68, 0.82);
  border: 1px solid rgba(57, 255, 20, 0.35);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 8px 12px;
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
}

/* 通用章节 */
.page-contact .section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 0 48px;
  scroll-margin-top: 110px;
}

.page-contact .section-head {
  margin-bottom: 30px;
  position: relative;
}

.page-contact .section-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(57, 255, 20, 0.5);
  position: absolute;
  top: -14px;
  left: -4px;
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
}

.page-contact .section-head .eyebrow {
  margin-left: 0;
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.15;
  margin: 20px 0 8px;
  color: var(--color-white);
  position: relative;
  z-index: 1;
  letter-spacing: -0.01em;
}

.page-contact .section-desc {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.72);
  max-width: 560px;
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-contact .section-desc a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 20, 0.4);
}

/* 官方联系方式 */
.page-contact .contact-channel-grid {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.page-contact .contact-channel-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
  backdrop-filter: blur(8px);
}

.page-contact .contact-channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent);
  transform: skewX(-12deg);
  transform-origin: top;
}

.page-contact .contact-channel-card--phone::before {
  background: var(--color-hot);
}

.page-contact .contact-channel-card--address::before {
  background: var(--color-base-3);
}

.page-contact .channel-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(57, 255, 20, 0.1);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 24px;
  border-radius: 50%;
  margin-bottom: 18px;
  border: 1px solid rgba(57, 255, 20, 0.25);
}

.page-contact .contact-channel-card--phone .channel-icon {
  background: rgba(255, 107, 0, 0.12);
  border-color: rgba(255, 107, 0, 0.3);
  color: var(--color-hot);
}

.page-contact .contact-channel-card--address .channel-icon {
  background: rgba(30, 58, 138, 0.35);
  border-color: rgba(30, 58, 138, 0.5);
  color: var(--color-white);
}

.page-contact .channel-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-bottom: 6px;
}

.page-contact .channel-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-white);
  text-decoration: none;
  word-break: break-all;
  margin-bottom: 10px;
}

.page-contact a.channel-value:hover {
  color: var(--color-accent);
}

.page-contact .channel-note {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.6);
  margin: 0;
}

/* 服务时间 */
.page-contact .contact-hours-grid {
  display: grid;
  gap: 20px;
}

.page-contact .hours-card {
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  margin: 0;
}

.page-contact .hours-card h3 {
  font-size: 20px;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--color-white);
}

.page-contact .hours-card p {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.72);
  margin: 6px 0 0;
}

.page-contact .hours-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(57, 255, 20, 0.18);
  border: 1px solid rgba(57, 255, 20, 0.4);
  color: var(--color-accent);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 18px;
}

.page-contact .hours-badge--hot {
  background: rgba(255, 107, 0, 0.18);
  border-color: rgba(255, 107, 0, 0.4);
  color: var(--color-hot);
}

.page-contact .hours-card .hours-time {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
  margin: 14px 0 6px;
}

/* 商务合作 */
.page-contact .partnership-banner {
  margin: 28px 0 32px;
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

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

.page-contact .partnership-grid {
  display: grid;
  gap: 20px;
}

.page-contact .partnership-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--color-accent);
  padding: 22px 20px;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.page-contact .partnership-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.page-contact .partnership-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-accent);
  margin-bottom: 8px;
  letter-spacing: 0.1em;
}

.page-contact .partnership-item h3 {
  font-size: 18px;
  color: var(--color-white);
  margin: 0 0 6px;
}

.page-contact .partnership-item p {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.7);
  margin: 0;
}

.page-contact .partnership-action {
  margin: 30px 0 0;
  padding: 20px 24px;
  background: rgba(255, 107, 0, 0.1);
  border: 1px dashed rgba(255, 107, 0, 0.4);
  border-radius: var(--radius);
  color: rgba(248, 250, 252, 0.8);
  font-size: 15px;
  line-height: 1.6;
}

/* 留言反馈 */
.page-contact .feedback-layout {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.page-contact .feedback-template {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-contact .feedback-template h3,
.page-contact .feedback-topics h3 {
  font-size: 20px;
  color: var(--color-white);
  margin: 0 0 12px;
}

.page-contact .feedback-template p,
.page-contact .feedback-topics p {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.72);
}

.page-contact .feedback-template-code {
  display: block;
  background: rgba(10, 31, 68, 0.85);
  border: 1px solid rgba(57, 255, 20, 0.25);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-accent);
  padding: 16px;
  margin: 16px 0 20px;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

.page-contact .feedback-topics {
  background: rgba(30, 58, 138, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.page-contact .feedback-topic-list {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
}

.page-contact .feedback-topic-list li {
  padding: 10px 0 10px 20px;
  border-left: 2px solid rgba(57, 255, 20, 0.5);
  margin-bottom: 10px;
  font-size: 15px;
  color: rgba(248, 250, 252, 0.85);
}

.page-contact .feedback-topic-list a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-contact .feedback-topic-list a:hover {
  border-bottom-color: var(--color-accent);
}

.page-contact .feedback-note {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.6);
}

.page-contact .feedback-note a {
  color: var(--color-accent);
  text-decoration: none;
}

/* 按钮 */
.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transform: skewX(var(--slant));
}

.page-contact .btn-label {
  display: inline-block;
  transform: skewX(calc(var(--slant) * -1));
}

.page-contact .btn--primary {
  background: var(--color-accent);
  color: var(--color-base);
}

.page-contact .btn--hot {
  background: var(--color-hot);
  color: var(--color-white);
}

/* 响应式布局 */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 44px;
    padding: 56px 0 72px;
  }

  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .contact-hours-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-contact .partnership-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-contact .feedback-layout {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (min-width: 1024px) {
  .page-contact .partnership-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .contact-hero {
    padding-top: 64px;
  }

  .page-contact .section {
    padding: 56px 0 64px;
  }
}

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