/* CubiCubi · Contact Us — production stylesheet
   品牌色：橙 #F39801 · 深色 #231816 · 米白 #FDF9EE */

:root{
  --ink:#231816; --ink2:#6E655F; --ink3:#9C948E;
  --line:#EAE3D9;
  --sand:#FBF8F2;
  --brand:#F39801; --brand-d:#D98600; --brand-l:#FEF3E0; --brand-t:#A86200;
  --dark:#231816; --dark2:#3B2C26;
  --link:#A86200;
  --accent:#C0392B;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Noto Sans JP","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---- 顶栏：地区 / 语言切换器 ---- */
.topbar{border-bottom:1px solid var(--line);font-size:13px}
.topbar .in{max-width:1280px;margin:0 auto;padding:11px 28px;display:flex;align-items:center;justify-content:flex-end;gap:16px}

.sw{position:relative}
.swbtn{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink2);padding:5px 8px;border-radius:7px;margin-right:-8px}
.swbtn:hover{color:var(--ink);background:var(--sand)}
.swflag{width:16px;height:12px;border-radius:2px;overflow:hidden;flex:0 0 auto;box-shadow:0 0 0 1px rgba(0,0,0,.13)}
.swflag svg{display:block;width:100%;height:100%}
.swchev{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.swpanel{position:absolute;right:0;top:calc(100% + 12px);width:300px;max-width:calc(100vw - 36px);background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 34px rgba(0,0,0,.13);padding:20px;display:none;z-index:80}
.swpanel.show{display:block}
.swlbl{font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--ink3);margin-bottom:8px}
.swfield{position:relative;margin-bottom:18px}
.swfield>.swflag{position:absolute;left:12px;top:50%;transform:translateY(-50%);pointer-events:none;z-index:1}
.swfield select{width:100%;appearance:none;-webkit-appearance:none;border:1px solid #D8D5CF;border-radius:7px;background:#fff;font-family:inherit;font-size:13.5px;color:var(--ink);padding:10px 32px 10px 36px;cursor:pointer}
.swfield.nof select{padding-left:13px}
.swfield select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(243,152,1,.18)}
.swcaret{position:absolute;right:11px;top:50%;transform:translateY(-50%);width:12px;height:12px;stroke:var(--ink3);fill:none;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.swsave{width:100%;background:var(--brand);color:var(--dark);border-radius:7px;padding:11px 0;font-size:13.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.swsave:hover{background:var(--brand-d)}

header.site{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);z-index:60}
.hin{max-width:1280px;margin:0 auto;padding:0 28px;height:74px;display:flex;align-items:center;gap:44px}
.logo{display:flex;align-items:center;flex:0 0 auto}
.logo img{height:30px;width:auto;display:block}
.mnav{display:flex;gap:30px;font-size:14.5px;flex:1}
.mnav a{color:var(--ink)}
.mnav a:hover{color:var(--brand-d);text-decoration:none}
.mnav a[aria-current]{color:var(--brand-d);font-weight:600}
.hicons{display:flex;gap:20px;align-items:center;color:var(--ink2)}
.hicons svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.hicons button:hover,.hicons a:hover{color:var(--brand-d)}

/* ---- 首次访问自动定位提示条 ---- */
.banner{background:var(--brand-l);border-bottom:1px solid #F6E4C2;padding:13px 28px;display:none}
.banner.show{display:block}
.banner .in{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:15px;flex-wrap:wrap;font-size:13.5px;color:var(--dark)}
.banner svg{width:18px;height:18px;stroke:var(--brand-d);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.banner .tx{flex:1;min-width:220px}
.banner button{background:var(--brand);color:var(--dark);border-radius:6px;padding:6px 14px;font-size:13px;font-weight:600}
.banner button.gh{background:transparent;color:var(--brand-t);border:1px solid var(--brand-t)}

/* ---- 品牌主视觉横幅 ---- */
.hero{width:100%;height:360px;overflow:hidden;background:var(--sand);border-bottom:1px solid var(--line)}
.hero img{width:100%;height:100%;object-fit:cover;object-position:center 42%;display:block}

main{max-width:820px;margin:0 auto;padding:62px 28px 108px}
h1{font-size:38px;font-weight:600;text-align:center;letter-spacing:-.015em;margin-bottom:58px;color:var(--ink)}
.blk{margin-bottom:28px}
.blk p{margin-bottom:12px;color:var(--ink);font-size:17px}
.lbl{color:var(--ink2)}
.hrs{color:var(--ink2)}

footer.site{background:var(--dark);color:#C4B8B2}
.fin{max-width:1280px;margin:0 auto;padding:52px 28px 30px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:64px}
footer.site h4{color:#fff;font-size:14.5px;font-weight:600;margin-bottom:16px}
footer.site a{display:block;color:#C4B8B2;font-size:14.5px;padding:4px 0}
footer.site a:hover{color:#fff;text-decoration:none}
footer.site .blurb{font-size:14.5px;line-height:1.9;color:#C4B8B2;max-width:560px}
.fbot{max-width:1280px;margin:0 auto;padding:20px 28px 0;border-top:1px solid var(--dark2);font-size:12.5px;color:#9A8C86;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
/* 底栏里的链接要恢复成行内 —— 否则 footer.site a{display:block} 会把
   邮箱和电话竖排，「·」分隔符还会被挤成单独一行。
   这里必须写足特异性（footer.site .fbot a = 0,2,2），
   只写 .fbot a（0,1,1）会被上面的 footer.site a（0,1,2）压掉 */
footer.site .fbot a{display:inline;padding:0}

/* ---- 提交案件入口 ---- */
.cta{margin-top:64px;padding-top:48px;border-top:1px solid var(--line)}
.cta h2{font-size:25px;font-weight:600;letter-spacing:-.01em;color:var(--ink);margin-bottom:16px}
.cta p{color:var(--ink2);font-size:16.5px;max-width:620px;margin-bottom:30px}
.btnCase{background:var(--brand);color:var(--dark);border-radius:999px;padding:15px 42px;font-size:16px;font-weight:600;letter-spacing:.01em;display:inline-block}
.btnCase:hover{background:var(--brand-d)}

/* ---- 案件表单弹层 ---- */
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.show{display:block}
.mback{position:absolute;inset:0;background:rgba(18,22,20,.5)}
.mbox{position:relative;background:#fff;width:680px;max-width:calc(100vw - 32px);max-height:calc(100vh - 72px);overflow-y:auto;margin:36px auto;border-radius:12px;box-shadow:0 24px 60px rgba(0,0,0,.24)}
.mhd{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:26px 30px 0}
.mhd h3{font-size:23px;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
.mx{font-size:27px;line-height:1;color:var(--ink3);padding:0 2px}
.mx:hover{color:var(--ink)}
.mbd{padding:22px 30px 6px}
.fld{margin-bottom:20px}
.fld label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.fld label .opt{font-weight:400;color:var(--ink3)}
.req{color:var(--accent);font-weight:700;margin-left:2px}
.fld input[type=text],.fld input[type=email],.fld input[type=tel],.fld textarea,.fld select{width:100%;border:1px solid #D8D5CF;border-radius:7px;padding:11px 13px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fff}
.fld textarea{resize:vertical;line-height:1.7;min-height:130px}
.fld input:focus,.fld textarea:focus,.fld select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(243,152,1,.18)}
.fld .bad,.fld .bad:focus{border-color:#C0392B}
.fld .bad:focus{box-shadow:0 0 0 3px rgba(192,57,43,.12)}
.prow{display:grid;grid-template-columns:200px 1fr;gap:12px}
.err{color:#C0392B;font-size:12.5px;margin-top:6px;display:none}
.err.show{display:block}
.att{font-size:13px;color:var(--ink3);margin-bottom:10px}
.browse{border:1px solid #2A2E2C;border-radius:6px;padding:11px 22px;font-size:12.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--ink)}
.browse:hover{background:var(--sand)}
.mft{display:flex;justify-content:flex-end;gap:12px;padding:14px 30px 28px}
.prim{background:var(--brand);color:var(--dark);border-radius:8px;padding:12px 30px;font-size:15px;font-weight:600}
.prim:hover{background:var(--brand-d)}
.prim[disabled]{opacity:.55;cursor:not-allowed}
.prim[disabled]:hover{background:var(--brand)}
.ghost{border:1px solid #D8D5CF;border-radius:8px;padding:12px 26px;font-size:15px;font-weight:600;color:var(--ink2)}
.ghost:hover{background:var(--sand)}
.done{padding:8px 30px 46px;text-align:center}
.done .tick{width:54px;height:54px;margin:0 auto 18px;border-radius:50%;background:var(--brand-l);display:flex;align-items:center;justify-content:center}
.done .tick svg{width:27px;height:27px;stroke:var(--brand-d);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.done h4{font-size:19px;font-weight:600;color:var(--dark);margin-bottom:10px}
.done p{color:var(--ink2)}

/* ---- 生产版新增 ---- */
.srvErr{background:#FCEBEB;border:1px solid #F7C1C1;color:#A32D2D;border-radius:7px;padding:11px 14px;font-size:13.5px;line-height:1.6;margin-bottom:18px;display:none}
.srvErr.show{display:block}
.turn{margin-bottom:20px}

@media(max-width:900px){
  .mnav{display:none}
  .hin{gap:20px;padding:0 18px;height:64px}
  .hero{height:190px}
  main{padding:44px 18px 72px}
  h1{font-size:28px;margin-bottom:40px}
  .blk p{font-size:16px}
  .topbar .in,.banner .in{padding-left:18px;padding-right:18px}
  .fin{grid-template-columns:1fr;padding:40px 18px 24px;gap:34px}
  .fbot{padding:18px 18px 0}
  .cta{margin-top:46px;padding-top:36px}
  .cta h2{font-size:21px}
  .cta p{font-size:15.5px}
  .btnCase{padding:14px 32px;font-size:15px}
  .mbox{margin:16px auto;max-height:calc(100vh - 32px)}
  .mhd{padding:22px 20px 0}
  .mhd h3{font-size:20px}
  .mbd{padding:18px 20px 4px}
  .mft{padding:12px 20px 24px}
  .done{padding:6px 20px 38px}
  .prow{grid-template-columns:1fr}
}
@media(max-width:560px){
  .btnCase{width:100%;text-align:center}
  .mft{flex-direction:column-reverse}
  .mft button{width:100%}
}