/* ==========================================
   联系江南竞界 / page-contact
   ========================================== */
.page-contact {
  --cut-size: 26px;
  --card-border: rgba(69, 123, 157, 0.5);
  --card-bg: linear-gradient(157deg, rgba(26, 58, 92, 0.66) 0%, rgba(11, 29, 58, 0.84) 100%);
  position: relative;
  overflow-x: hidden;
  background: linear-gradient(155deg, var(--bg-deep) 0%, var(--bg-mid) 68%, var(--bg-deep) 100%);
  color: var(--text-light);
}

/* ---------- Hero ---------- */
.contact-hero {
  position: relative;
  padding: clamp(40px, 8vw, 88px) 0 clamp(44px, 6vw, 76px);
}

.contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(69, 123, 157, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(69, 123, 157, 0.16) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(circle at 78% 22%, #000 0%, transparent 74%);
  mask-image: radial-gradient(circle at 78% 22%, #000 0%, transparent 74%);
  pointer-events: none;
}

.contact-hero .container {
  position: relative;
  z-index: 1;
}

.contact-hero__breadcrumb {
  margin-bottom: clamp(32px, 6vw, 72px);
}

.contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 64px);
}

.contact-hero__content {
  max-width: 640px;
}

.contact-hero .section-index {
  margin-bottom: 18px;
}

.contact-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(44px, 8vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--text-light);
  text-transform: uppercase;
}

.contact-hero__lead {
  margin: 0 0 18px;
  font-size: clamp(14px, 2vw, 17px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.contact-hero__desc {
  max-width: 520px;
  margin: 0 0 28px;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.75;
  color: var(--text-secondary);
}

.contact-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.contact-hero__visual {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(69, 123, 157, 0.6);
}

.contact-hero__visual::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 12px;
  width: 40px;
  height: 40px;
  border-left: 3px solid var(--gold);
  border-top: 3px solid var(--gold);
  z-index: 2;
  pointer-events: none;
}

.contact-hero__visual::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 40px;
  height: 40px;
  border-right: 3px solid var(--primary);
  border-bottom: 3px solid var(--primary);
  z-index: 2;
  pointer-events: none;
}

.contact-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.05);
}

/* ---------- 联系卡片区 ---------- */
.contact-board {
  padding: clamp(24px, 6vw, 64px) 0 clamp(48px, 8vw, 104px);
}

.contact-board__head {
  margin-bottom: clamp(32px, 5vw, 64px);
  max-width: 680px;
}

.contact-board__head .section-index {
  margin-bottom: 14px;
}

.contact-board__head h2 {
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--text-light);
}

.contact-board__intro {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.contact-board__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.5vw, 40px);
}

/* 联系信息卡片 = 作品说明牌 */
.contact-card {
  position: relative;
  padding: clamp(26px, 4vw, 44px);
  background: var(--card-bg);
  transition: transform 0.22s ease, filter 0.22s ease, -webkit-filter 0.22s ease;
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: inherit;
  box-shadow: inset 0 0 0 1px var(--card-border);
  pointer-events: none;
}

.contact-card:hover {
  --card-border: rgba(230, 57, 70, 0.7);
  transform: translateY(-4px);
  filter: brightness(1.12);
}

.contact-card--email {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-size)), calc(100% - var(--cut-size)) 100%, 0 100%);
}

.contact-card--hotline {
  clip-path: polygon(0 0, calc(100% - var(--cut-size)) 0, 100% var(--cut-size), 100% 100%, 0 100%);
}

.contact-card--address {
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--cut-size) 100%, 0 calc(100% - var(--cut-size)));
}

.contact-card--biz {
  clip-path: polygon(var(--cut-size) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut-size));
}

.contact-card__mark {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 32px);
  position: relative;
  z-index: 1;
}

.contact-card__num {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0.14em;
  padding: 6px 9px;
  border: 1px solid rgba(255, 215, 0, 0.45);
  color: var(--gold);
}

.contact-card__kind {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.contact-card__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: clamp(18px, 2vw, 24px);
  margin: 0 0 14px;
  color: var(--text-light);
}

.contact-card__value {
  position: relative;
  z-index: 1;
  display: block;
  font-size: clamp(18px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-light);
  text-decoration: none;
  word-break: break-word;
  transition: color 0.18s ease;
}

.contact-card__value:hover {
  color: var(--primary);
}

.contact-card__value--gold {
  color: var(--gold);
}

.contact-card__value--gold:hover {
  color: var(--primary);
}

.contact-card__addr {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  font-size: clamp(18px, 2.6vw, 26px);
  font-weight: 600;
  line-height: 1.45;
  font-style: normal;
  color: var(--text-light);
}

.contact-card__note {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---------- 辅助入口 ---------- */
.contact-aside {
  padding: clamp(32px, 6vw, 72px) 0 clamp(48px, 8vw, 96px);
}

.contact-aside__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.contact-aside__content {
  order: 1;
}

.contact-aside__figure {
  order: 2;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}

.contact-aside__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid rgba(69, 123, 157, 0.45);
}

.contact-aside .section-index {
  margin-bottom: 14px;
}

.contact-aside h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  margin: 0;
  color: var(--text-light);
}

.contact-aside__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.contact-aside__list li {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(69, 123, 157, 0.4);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.contact-aside__list li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.contact-aside__list a {
  font-weight: 600;
  color: var(--text-light);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.contact-aside__list a:hover {
  color: var(--gold);
  border-bottom-color: var(--primary);
}

.contact-aside__note {
  margin-top: 26px;
  padding: 16px 18px;
  background: rgba(29, 53, 87, 0.42);
  border-left: 3px solid var(--gold);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 900px) {
  .contact-hero__grid {
    grid-template-columns: 0.78fr 1.22fr;
    align-items: center;
    gap: clamp(32px, 5vw, 72px);
  }

  .contact-board__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(28px, 4vw, 48px) clamp(24px, 3.5vw, 56px);
  }

  .contact-card--email {
    margin-top: 0;
  }

  .contact-card--hotline {
    margin-top: clamp(48px, 8vw, 120px);
  }

  .contact-card--address {
    margin-top: clamp(14px, 3vw, 40px);
  }

  .contact-card--biz {
    margin-top: clamp(64px, 9vw, 140px);
  }

  .contact-aside__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: clamp(32px, 5vw, 72px);
  }

  .contact-aside__figure {
    margin: 0;
  }
}