/* ============================================================
 * 表单页公共样式 (form.css)
 * 供 order.html（在线订单/询盘）与 contact.html（联系/留言）共用。
 * 说明：两栏布局(.layout)、侧栏(.side-card/.side-contact) 等骨架
 *       复用 css/products.css，本文件只写“表单”相关样式。
 * ============================================================ */

/* ---------- 1. 表单卡片 ---------- */
.form-card { background: #fff; border: 1px solid var(--lj-card-border); border-radius: 12px; padding: 34px 38px; }
.form-title { font-size: 20px; color: var(--lj-heading); font-weight: 700; margin-bottom: 6px; }
.form-sub { font-size: 13px; color: var(--lj-text-mute); margin-bottom: 26px; }

/* 两列表单网格；.full 占满整行 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; }
.form-item { display: flex; flex-direction: column; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 14px; color: #555; margin-bottom: 8px; }
.form-item .req { color: var(--lj-accent); margin-left: 3px; }

/* 输入控件统一风格 */
.form-item input,
.form-item select,
.form-item textarea {
  width: 100%; background: #fff;
  border: 1px solid #e8ded8; border-radius: 8px;
  padding: 11px 14px; font-size: 14px; color: #333;
  outline: none; transition: border-color .2s, box-shadow .2s;
  font-family: inherit;
}
.form-item input:focus,
.form-item select:focus,
.form-item textarea:focus { border-color: var(--lj-accent); box-shadow: 0 0 0 3px rgba(232,98,43,0.12); }
.form-item textarea { min-height: 120px; resize: vertical; line-height: 1.7; }
/* 校验不通过时标红 */
.form-item input.invalid,
.form-item textarea.invalid { border-color: #e57373; box-shadow: 0 0 0 3px rgba(229,115,115,0.12); }

/* 数量 + 单位 同一行（数量输入框 + 单位下拉） */
.qty-row { display: flex; gap: 10px; }
.qty-row input { flex: 1; }
.qty-row select { width: 110px; flex-shrink: 0; }

/* 验证码一行：输入框 + 验证码图片（点图片换一张） */
.captcha-row { display: flex; gap: 10px; align-items: stretch; }
.captcha-row input { flex: 1; text-transform: uppercase; letter-spacing: 2px; }
.captcha-row img {
  width: 120px; height: 44px; flex-shrink: 0;
  border: 1px solid #e8ded8; border-radius: 8px;
  background: #f6f3f1; cursor: pointer; user-select: none;
}
.captcha-row img:hover { border-color: var(--lj-accent); }
/* “看不清？点击更换”小字提示 */
.captcha-refresh { margin-top: 6px; font-size: 12px; color: var(--lj-text-mute); cursor: pointer; }
.captcha-refresh:hover { color: var(--lj-accent); }

/* ---------- 2. 提交区 ---------- */
.form-foot { margin-top: 26px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.btn-submit {
  background: var(--lj-accent); color: #fff; border: none; cursor: pointer;
  font-size: 16px; padding: 12px 46px; border-radius: 26px;
  box-shadow: 0 6px 18px rgba(232,98,43,0.3); transition: all .3s;
}
.btn-submit:hover { background: var(--lj-accent-dark); transform: translateY(-2px); }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.form-note { font-size: 12px; color: var(--lj-text-mute); }

/* 提交结果提示条（默认隐藏，加 .ok / .err 显示） */
.form-msg { display: none; margin-top: 20px; padding: 12px 16px; border-radius: 8px; font-size: 14px; line-height: 1.6; }
.form-msg.ok  { display: block; background: #eef8ef; color: #2e7d32; border: 1px solid #cdeacd; }
.form-msg.err { display: block; background: #fdecea; color: #c62828; border: 1px solid #f5c6c0; }

/* ---------- 3. 侧栏：提交须知 ---------- */
.side-tips { padding: 16px 20px; }
.side-tips li { list-style: none; font-size: 13px; color: var(--lj-text-mute); line-height: 1.7; padding: 7px 0 7px 18px; position: relative; border-bottom: 1px dashed #f2ece9; }
.side-tips li:last-child { border-bottom: none; }
.side-tips li::before { content: "✔"; position: absolute; left: 0; top: 7px; color: var(--lj-accent); font-size: 12px; }

/* ---------- 4. 联系页：联系方式三卡片（电话 / QQ / 微信） ---------- */
.ct-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.ct-card { background: #fff; border: 1px solid var(--lj-card-border); border-radius: 12px; padding: 16px 20px; display: flex; align-items: center; gap: 14px; text-decoration: none; cursor: pointer; transition: all .2s; }
.ct-card:hover { border-color: var(--lj-accent); box-shadow: 0 6px 18px rgba(232, 98, 43, .12); transform: translateY(-2px); }
.ct-icon { width: 42px; height: 42px; border-radius: 50%; background: #FFF0EB; color: var(--lj-accent); display: flex; align-items: center; justify-content: center; font-size: 19px; flex-shrink: 0; }
.ct-icon svg { width: 22px; height: 18px; fill: currentColor; display: block; }
.ct-txt { display: flex; flex-direction: column; }
.ct-k { font-size: 12px; color: var(--lj-text-mute); margin-bottom: 2px; }
.ct-v { font-size: 17px; font-weight: 800; color: var(--lj-heading); }

/* ---------- 5. 响应式 ---------- */
@media (max-width: 767px) {
  .ct-cards { grid-template-columns: 1fr; gap: 12px; }
  .form-card { padding: 22px 18px; }
  .form-grid { grid-template-columns: 1fr; gap: 14px; }
  .qty-row select { width: 96px; }
  .btn-submit { width: 100%; }
}