/* ==========================================================================
   message.html · 在线留言 —— 左右分栏大表单
   ========================================================================== */

/* ---------- 页首 ---------- */
.ms-hero{padding:140px 0 40px}
.ms-hero h1{margin:14px 0 16px}
.ms-hero-desc{color:var(--ink-2);font-size:15.5px;max-width:520px}

/* ---------- 左右分栏 ---------- */
.ms-split{padding:20px 0}
.ms-split-in{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}

/* 左栏 */
.ms-side{background:var(--brown-bg);border-radius:26px;padding:36px 32px;position:sticky;top:100px}
.ms-side h2{font-size:20px;margin-bottom:20px}
.ms-side-list{display:grid;gap:16px;margin-bottom:28px}
.ms-side-list li{padding-left:16px;position:relative}
.ms-side-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brown)}
.ms-side-list b{display:block;font-size:14.5px;color:var(--brown-deep);margin-bottom:3px}
.ms-side-list span{font-size:13px;color:var(--ink-2)}
.ms-side-contact{border-top:1px dashed var(--line);padding-top:22px}
.ms-side-contact h3{font-size:15px;margin-bottom:10px}
.ms-side-contact p{font-size:13.5px;color:var(--ink-2);margin-bottom:6px}
.ms-side-tel{font-family:var(--font-serif);font-size:24px;color:var(--brown);display:block;margin-bottom:10px}

/* 表单 */
.ms-form{background:var(--card);border:1px solid var(--line-2);border-radius:26px;padding:38px 36px;box-shadow:var(--shadow-sm)}
.ms-form-head{margin-bottom:24px}
.ms-form-head h2{font-size:22px}
.ms-form-head p{font-size:13px;color:var(--muted);margin-top:4px}
.ms-form-head i{font-style:normal;color:#b3543f}
.ms-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ms-field{margin-bottom:18px}
.ms-err{display:none;color:#b3543f;font-size:13.5px;margin-bottom:14px;min-height:0}
.ms-err.show{display:block}
.ms-submit{width:100%;justify-content:center;font-size:16px;padding:15px}
.ms-promise{font-size:12.5px;color:var(--muted);text-align:center;margin-top:14px}

/* ---------- 提交后流程 ---------- */
.ms-step{padding:60px 0}
.ms-step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:960px;margin:0 auto}
.ms-step-list li{background:var(--cream);border:1px solid var(--line-2);border-radius:var(--r);padding:26px 24px;position:relative}
.ms-step-list b{font-family:var(--font-serif);font-size:19px;color:var(--brown);display:block;margin-bottom:10px}
.ms-step-list p{font-size:14px;color:var(--ink-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .ms-split-in{grid-template-columns:1fr;gap:28px}
  .ms-side{position:static}
}
@media (max-width:640px){
  .ms-row{grid-template-columns:1fr}
  .ms-step-list{grid-template-columns:1fr}
  .ms-form{padding:28px 22px}
}