/* ============ 联系方式 ContactSection ============ */
.contact {
  background:
    radial-gradient(55rem 28rem at 8% 100%, rgba(212,175,55,0.06), transparent 60%),
    var(--bg-1);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4.5rem;
  align-items: start;
}

.info-row {
  display: flex;
  gap: 1.3rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.info-icon {
  flex-shrink: 0;
  width: 3rem; height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--gold);
  border-radius: 50%;
  transition: all 0.5s var(--ease-lux);
}
.info-row:hover .info-icon {
  background: rgba(212,175,55,0.12);
  box-shadow: 0 0 22px rgba(212,175,55,0.25);
}
.info-key { font-size: 0.76rem; letter-spacing: 0.3em; color: var(--ink-faint); }
.info-value { margin-top: 0.45rem; font-size: 0.95rem; line-height: 1.9; color: var(--ink); }

.contact-form {
  padding: 2.6rem;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(236,229,216,0.03), transparent);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.field { display: block; margin-bottom: 1.5rem; }
.field span {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.3em;
  color: var(--ink-dim);
  margin-bottom: 0.7rem;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: rgba(8,8,10,0.5);
  border: 1px solid var(--line-soft);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.92rem;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color 0.45s, box-shadow 0.45s;
  resize: vertical;
}
.field select { appearance: none; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(212,175,55,0.6);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.08);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }

.form-submit { width: 100%; justify-content: center; }
.form-submit:disabled { opacity: 0.55; cursor: wait; }
.form-tip { margin-top: 1.1rem; font-size: 0.85rem; color: var(--gold-hi); letter-spacing: 0.08em; }
.form-tip.error { color: #d97706; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 1.8rem; }
}

@media (max-width: 560px) {
  .info-row { gap: 1rem; padding: 1.1rem 0; }
  .info-icon { width: 2.5rem; height: 2.5rem; }
  .info-value { font-size: 0.86rem; line-height: 1.8; }
  .contact-form { padding: 1.4rem 1.1rem; }
  .field { margin-bottom: 1.1rem; }
  .field input, .field select, .field textarea { font-size: 16px; } /* 防止 iOS 聚焦自动放大 */
}

/* ============ 页脚 SiteFooter ============ */
.footer {
  position: relative;
  background: #060608;
  padding: 5.5rem 0 2.4rem;
  overflow: hidden;
}
.footer-glow {
  position: absolute;
  top: -14rem; left: 50%;
  transform: translateX(-50%);
  width: 60rem; height: 20rem;
  background: radial-gradient(ellipse, rgba(212,175,55,0.09), transparent 65%);
  pointer-events: none;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 1.1fr 1.1fr;
  gap: 3rem;
  margin-bottom: 3.4rem;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 900;
  letter-spacing: 0.4em;
  background: linear-gradient(115deg, var(--gold-hi), var(--gold) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-logo-en {
  margin-top: 0.4rem;
  font-family: var(--latin);
  font-size: 0.66rem;
  letter-spacing: 0.5em;
  color: var(--ink-faint);
}
.footer-slogan { margin-top: 1.4rem; color: var(--ink-dim); font-size: 0.88rem; letter-spacing: 0.1em; }

.footer-col-title {
  font-size: 0.76rem;
  letter-spacing: 0.34em;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
.footer-nav { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-nav a {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--ink-dim);
  padding: 0.45rem 0;
  transition: color 0.4s, transform 0.4s var(--ease-lux);
}
.footer-nav a:hover { color: var(--gold-hi); transform: translateX(6px); }
.footer-service-line { font-size: 0.86rem; color: var(--ink-dim); line-height: 2.1; }
.footer-contact p { font-size: 0.88rem; color: var(--ink-dim); line-height: 2; }
.footer-addr { font-size: 0.8rem !important; }

.footer-bottom {
  margin-top: 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.76rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}
.footer-scope { max-width: 46rem; line-height: 1.8; }

@media (max-width: 960px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer { padding: 4rem 0 2rem; }
  .footer-main { grid-template-columns: 1fr; gap: 2.2rem; margin-bottom: 2.4rem; }
  .footer-logo { font-size: 1.55rem; letter-spacing: 0.32em; }
  .footer-bottom { flex-direction: column; gap: 0.8rem; }
}

.footer-motion-link {
  color: var(--ink-faint);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 1px;
  transition: color 0.4s, border-color 0.4s;
}
.footer-motion-link:hover { color: var(--gold-hi); border-color: var(--gold); }

/* ============ 自定义需求类型下拉（黑金，替代原生 select 系统弹窗） ============ */
.custom-select { position: relative; }
.custom-select-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8,8,10,0.5);
  border: 1px solid var(--line-soft);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.92rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: border-color 0.45s, box-shadow 0.45s;
}
.custom-select.open .custom-select-trigger,
.custom-select-trigger:hover {
  border-color: rgba(212,175,55,0.6);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.08);
}
.custom-select-value { letter-spacing: 0.04em; }
.custom-select-arrow {
  color: var(--gold);
  transition: transform 0.35s var(--ease-lux);
}
.custom-select.open .custom-select-arrow { transform: rotate(180deg); }

/* 下拉面板：深色 + 金色描边，盖在表单之上 */
.custom-select-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  z-index: 40;
  max-height: 268px;
  overflow-y: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  background: #141109;
  border: 1px solid rgba(212,175,55,0.35);
  box-shadow: 0 24px 60px rgba(0,0,0,0.7);
  list-style: none;
  /* 细金滚动条 */
  scrollbar-width: thin;
  scrollbar-color: rgba(212,175,55,0.4) transparent;
}
.custom-select-panel::-webkit-scrollbar { width: 5px; }
.custom-select-panel::-webkit-scrollbar-thumb { background: rgba(212,175,55,0.35); }
.custom-select-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  color: var(--ink-dim);
  cursor: pointer;
  border-bottom: 1px solid rgba(212,175,55,0.08);
  transition: background 0.25s, color 0.25s, padding-left 0.25s;
}
.custom-select-option:last-child { border-bottom: none; }
.custom-select-option:hover {
  background: rgba(212,175,55,0.1);
  color: var(--ink);
  padding-left: 1.2rem;
}
.custom-select-option.active {
  color: var(--gold);
  background: rgba(212,175,55,0.08);
}
.custom-select-option.active svg { color: var(--gold); }

/* 展开/收起动画 */
.select-drop-enter-active, .select-drop-leave-active {
  transition: opacity 0.28s, transform 0.28s var(--ease-lux);
}
.select-drop-enter-from, .select-drop-leave-to {
  opacity: 0;
  transform: translateY(-8px);
}


/* ============ 联系二维码（真实二维码） ============ */
.contact-qr {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1.3rem;
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--line);
  background: linear-gradient(115deg, rgba(212, 175, 55, 0.05), transparent 60%);
}
.contact-qr img {
  width: 5.4rem; height: 5.4rem;
  object-fit: contain;
  border: 1px solid var(--line-soft);
  background: #fff;
  padding: 0.25rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.contact-qr-text { display: flex; flex-direction: column; gap: 0.45rem; }
.qr-title { font-family: var(--serif); font-size: 1rem; letter-spacing: 0.2em; color: var(--gold); }
.contact-qr-text p { color: var(--ink-dim); font-size: 0.82rem; line-height: 1.8; }
@media (max-width: 560px) {
  .contact-qr { padding: 1rem; }
  .contact-qr img { width: 4.6rem; height: 4.6rem; }
}

/* ---------- 表单校验状态（新增） ---------- */
.field.has-error input,
.field.has-error textarea {
  border-color: rgba(217, 119, 6, 0.75);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.08);
}
.field-error {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: #d97706;
}
/* 键盘高亮项：与 hover 视觉一致（金色底 + 左移），保证键盘可达 */
.custom-select-option.focus {
  background: rgba(212, 175, 55, 0.12);
  color: var(--ink);
  padding-left: 1.2rem;
}