/* ============================================================================
   Cubiker · Contact Us — production stylesheet

   视觉方向：暖白底 + 卡片化信息层 + 分栏主视觉
   品牌色 橙 #FF9700（取自品牌字标）· 中性墨黑 #17171A · 暖砂 #FBF8F4

   结构约定（改动前请先读这里）：
     · .topbar        顶栏（深色）：左侧快速联系电话，右侧地区/语言切换器
     · header.site    页头（吸顶）：logo + 导航 + 商城图标
     · .hero          主视觉：左文案 / 右实景图（≤1040px 变单栏）
     · .info          联系方式卡片（上浮压在 hero 下沿）
     · .cta           提交案件面板
     · footer.site    页脚（深色）
   这些类名被 tools/browser-test.mjs 断言依赖，不要随意更名。
   ========================================================================== */

:root{
  --ink:#17171A; --ink2:#5E5A54; --ink3:#948E85;
  --line:#EBE5DC; --line2:#F4EFE8;
  --paper:#FFFFFF; --sand:#FBF8F4; --sand2:#F6F0E8;
  --brand:#FF9700; --brand-d:#E07F00; --brand-l:#FFF4E4; --brand-t:#96590A;
  --dark:#17171A; --dark2:#2C2C33;
  --link:#A85F00;
  --danger:#C0392B;
  --r:10px; --r-lg:20px; --r-xl:28px;
  --sh1:0 1px 2px rgba(23,23,26,.05),0 6px 18px rgba(23,23,26,.055);
  --sh2:0 2px 8px rgba(23,23,26,.07),0 22px 50px rgba(23,23,26,.12);
  --maxw:1180px;
}

*{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:var(--paper);font-size:15px;line-height:1.8;
  -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:6px}
.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 ============================ */
.topbar{background:var(--dark);color:#EDE9E3}
.topbar .in{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.tphone{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;color:#EDE9E3;min-width:0}
.tphone:hover{color:#fff;text-decoration:none}
.tphone .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(255,151,0,.24);flex:0 0 auto}
.tphone .tlbl{color:#A29B92}
.tphone strong{color:#fff;font-weight:600;letter-spacing:.01em}

/* 切换器（深色底上的浅色胶囊） */
.sw{position:relative;min-width:0;display:flex}
.swbtn{display:flex;align-items:center;gap:8px;max-width:100%;font-size:12.5px;color:#EDE9E3;padding:6px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.17);background:rgba(255,255,255,.06)}
.swbtn:hover{background:rgba(255,255,255,.13);color:#fff}
#swLabel{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52vw}
.swflag{width:16px;height:12px;border-radius:2px;overflow:hidden;flex:0 0 auto;box-shadow:0 0 0 1px rgba(255,255,255,.22)}
.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:306px;max-width:calc(100vw - 36px);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:0 20px 48px rgba(23,23,26,.18);padding:22px;display:none;z-index:80}
.swpanel.show{display:block}
.swlbl{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink3);margin-bottom:9px}
.swfield{position:relative;margin-bottom:18px}
.swfield>.swflag{position:absolute;left:13px;top:50%;transform:translateY(-50%);pointer-events:none;z-index:1;box-shadow:0 0 0 1px rgba(0,0,0,.13)}
.swfield select{width:100%;appearance:none;-webkit-appearance:none;border:1px solid #DFD8CE;border-radius:var(--r);background:#fff;font-family:inherit;font-size:13.5px;color:var(--ink);padding:11px 34px 11px 38px;cursor:pointer}
.swfield.nof select{padding-left:14px}
.swfield select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,151,0,.22)}
.swcaret{position:absolute;right:12px;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:#231400;border-radius:var(--r);padding:12px 0;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.swsave:hover{background:var(--brand-d)}

/* ============================ 页头 ============================ */
header.site{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.93);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.hin{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:78px;display:flex;align-items:center;gap:40px}
.logo{display:flex;align-items:center;flex:0 0 auto}
.logo img{height:34px;width:auto;display:block}
.mnav{display:flex;gap:28px;font-size:14.5px;flex:1}
.mnav a{color:var(--ink2);position:relative;padding:7px 0}
.mnav a:hover{color:var(--ink);text-decoration:none}
.mnav a[aria-current]{color:var(--ink);font-weight:600}
.mnav a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand)}
.hicons{display:flex;align-items:center;gap:4px}
.hic{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--ink2)}
.hic:hover{background:var(--sand2);color:var(--ink);text-decoration:none}
.hic svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ============================ 定位提示条 ============================ */
.banner{background:var(--brand-l);border-bottom:1px solid #F7E3C4;display:none}
.banner.show{display:block}
.banner .in{max-width:var(--maxw);margin:0 auto;padding:14px 28px;display:flex;align-items:center;gap:15px;flex-wrap:wrap;font-size:13.5px;color:#4A3410}
.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:#231400;border-radius:999px;padding:7px 17px;font-size:12.5px;font-weight:700}
.banner button.gh{background:transparent;color:var(--brand-t);border:1px solid #E3BE86}

/* ============================ 主视觉 ============================ */
/* 不加下边框：信息卡片会上浮压住 hero 下沿，
   有边框的话会在卡片左右两侧各露出一小段横线，显得脏。 */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFDFA 0%,var(--sand) 100%)}
.hero::before{content:"";position:absolute;right:-160px;top:-190px;width:660px;height:660px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,151,0,.15),rgba(255,151,0,0) 68%);pointer-events:none}
.hero-in{position:relative;max-width:var(--maxw);margin:0 auto;padding:76px 28px 84px;
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:62px;align-items:center}
.eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-t);margin-bottom:18px}
h1{font-size:46px;line-height:1.15;font-weight:700;letter-spacing:-.028em;color:var(--ink);margin-bottom:22px}
.lede{font-size:17px;line-height:1.78;color:var(--ink2);max-width:520px}
.hero-art{border-radius:var(--r-xl);overflow:hidden;background:var(--sand2);box-shadow:var(--sh2)}
.hero-art img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;object-position:8% 50%}

/* ============================ 联系方式卡片 ============================ */
/* 一张卡、两栏、中间竖分隔 —— 比两张独立卡片更整，
   也不会因为两栏文案行数不同而出现「一边空一截」的观感。 */
.info{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.info-in{position:relative;z-index:2;margin-top:-42px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh1);overflow:hidden;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.citem{display:flex;align-items:flex-start;gap:18px;padding:28px 30px;color:inherit;
  transition:background .18s ease}
.citem+.citem{border-left:1px solid var(--line)}
.citem:hover{background:var(--sand);text-decoration:none}
.ctext{display:flex;flex-direction:column;min-width:0}
.card-ic{width:44px;height:44px;border-radius:13px;background:var(--brand-l);display:flex;align-items:center;
  justify-content:center;flex:0 0 auto;transition:background .18s ease}
.citem:hover .card-ic{background:#FFE9C6}
.card-ic svg{width:21px;height:21px;stroke:var(--brand-d);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card-lbl{font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--ink3);margin-bottom:6px}
.card-val{font-size:19.5px;font-weight:600;letter-spacing:-.012em;color:var(--ink);word-break:break-word}
.card-note{font-size:13px;color:var(--ink3);margin-top:6px}

/* ============================ 提交案件 ============================ */
.cta{max-width:var(--maxw);margin:0 auto;padding:76px 28px 100px}
.cta-in{position:relative;overflow:hidden;border:1px solid #F8E2BE;border-radius:var(--r-xl);
  background:linear-gradient(132deg,#FFFBF4 0%,#FFF3E0 54%,#FFE9CB 100%);
  padding:54px 56px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:center}
.cta-in::after{content:"";position:absolute;right:-90px;bottom:-130px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,151,0,.20),rgba(255,151,0,0) 70%);pointer-events:none}
.cta-copy{position:relative;z-index:1}
.cta h2{font-size:29px;font-weight:700;letter-spacing:-.022em;color:#3A2408;margin-bottom:14px}
.cta p{font-size:16px;line-height:1.8;color:#6E5430;max-width:660px}
.cta-act{position:relative;z-index:1}

.btnCase{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#231400;
  border-radius:999px;padding:17px 42px;font-size:15.5px;font-weight:700;letter-spacing:.01em;
  box-shadow:0 8px 22px rgba(255,151,0,.30);
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease}
.btnCase:hover{background:var(--brand-d);transform:translateY(-1px);box-shadow:0 12px 28px rgba(224,127,0,.34)}
.btnCase:active{transform:translateY(0)}
.btnCase.alt{background:#231400;color:#FFF6E8;box-shadow:0 8px 22px rgba(35,20,0,.22)}
.btnCase.alt:hover{background:#3A2408;box-shadow:0 12px 28px rgba(35,20,0,.26)}

/* ============================ 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(18,16,14,.55);backdrop-filter:blur(3px)}
.mbox{position:relative;background:#fff;width:700px;max-width:calc(100vw - 32px);max-height:calc(100vh - 72px);
  overflow-y:auto;margin:36px auto;border-radius:var(--r-xl);box-shadow:0 30px 70px rgba(0,0,0,.30)}
.mhd{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:30px 34px 0}
.mhd h3{font-size:23px;font-weight:700;letter-spacing:-.022em;color:var(--ink)}
.mx{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:24px;line-height:1;color:var(--ink3);flex:0 0 auto}
.mx:hover{background:var(--sand2);color:var(--ink)}
.mbd{padding:24px 34px 6px}
.fld{margin-bottom:20px}
.fld label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
.fld label .opt{font-weight:400;color:var(--ink3)}
.req{color:var(--danger);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 #DFD8CE;border-radius:var(--r);padding:12px 14px;font-size:14.5px;
  font-family:inherit;color:var(--ink);background:#fff}
.fld textarea{resize:vertical;line-height:1.7;min-height:132px}
.fld input:focus,.fld textarea:focus,.fld select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,151,0,.22)}
.fld .bad,.fld .bad:focus{border-color:var(--danger)}
.fld .bad:focus{box-shadow:0 0 0 3px rgba(192,57,43,.13)}
.prow{display:grid;grid-template-columns:200px 1fr;gap:12px}
.err{color:var(--danger);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 var(--ink);border-radius:999px;padding:11px 24px;font-size:12px;font-weight:700;
  letter-spacing:.09em;text-transform:uppercase;color:var(--ink)}
.browse:hover{background:var(--sand)}
.mft{display:flex;justify-content:flex-end;gap:12px;padding:16px 34px 30px}
.prim{background:var(--brand);color:#231400;border-radius:999px;padding:13px 32px;font-size:15px;font-weight:700}
.prim:hover{background:var(--brand-d)}
.prim[disabled]{opacity:.55;cursor:not-allowed}
.prim[disabled]:hover{background:var(--brand)}
.ghost{border:1px solid #DFD8CE;border-radius:999px;padding:13px 28px;font-size:15px;font-weight:600;color:var(--ink2)}
.ghost:hover{background:var(--sand)}
.done{padding:10px 34px 48px;text-align:center}
.done .tick{width:58px;height:58px;margin:0 auto 20px;border-radius:50%;background:var(--brand-l);display:flex;align-items:center;justify-content:center}
.done .tick svg{width:28px;height:28px;stroke:var(--brand-d);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.done h4{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px}
.done p{color:var(--ink2)}
.srvErr{background:#FCEBEB;border:1px solid #F7C1C1;color:#A32D2D;border-radius:var(--r);padding:12px 15px;
  font-size:13.5px;line-height:1.6;margin-bottom:18px;display:none}
.srvErr.show{display:block}
.turn{margin-bottom:20px}

/* ============================ 页脚 ============================ */
footer.site{position:relative;background:var(--dark);color:#B9B3AB}
footer.site::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand) 0%,#FFC46B 44%,rgba(255,151,0,0) 100%)}
.fin{max-width:var(--maxw);margin:0 auto;padding:64px 28px 36px;
  display:grid;grid-template-columns:200px minmax(0,1fr) minmax(0,1fr);gap:56px}
.fbrand{display:flex;align-items:flex-start}
/* 品牌 logo 是黑字 + 橙标，深色底上直接放会看不见 —— 转成单色白 */
.flogo{height:32px;width:auto;display:block;filter:brightness(0) invert(1);opacity:.94}
.fcol h4{color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;margin-bottom:18px}
footer.site .fcol a{display:block;color:#B9B3AB;font-size:14.5px;padding:5px 0}
footer.site .fcol a:hover{color:var(--brand);text-decoration:none}
footer.site .blurb{font-size:14.5px;line-height:1.85;color:#B9B3AB;max-width:520px}
.fbot{max-width:var(--maxw);margin:0 auto;padding:22px 28px 32px;border-top:1px solid var(--dark2);
  font-size:12.5px;color:#8B857D;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
/* 底栏里的链接要恢复成行内 —— 否则上面 .fcol a{display:block} 的规则会把
   邮箱和电话竖排，「·」分隔符还会被挤成单独一行。
   两条规则特异性相同（0,2,2），靠书写顺序取胜，所以这条必须放在后面。 */
footer.site .fbot a{display:inline;padding:0;color:#B9B3AB}
footer.site .fbot a:hover{color:var(--brand);text-decoration:none}

/* ============================ 响应式 ============================ */
@media(max-width:1040px){
  .hero-in{grid-template-columns:1fr;gap:44px;padding:60px 28px 76px}
  .lede{max-width:none}
  /* 单栏时图会占满整行，不封顶的话高度会到 540px 以上，把正文推得很远 */
  .hero-art img{aspect-ratio:16/10;max-height:430px}
  .fin{grid-template-columns:1fr 1fr;gap:44px}
  .fbrand{grid-column:1 / -1}
  .cta-in{grid-template-columns:1fr;gap:32px;padding:44px 40px}
}
@media(max-width:900px){
  .mnav{display:none}
  .hin{gap:18px;padding:0 18px;height:66px}
  .logo img{height:30px}
  .topbar .in,.banner .in{padding-left:18px;padding-right:18px}
  .hero-in{padding:44px 18px 66px}
  h1{font-size:31px;margin-bottom:18px}
  .lede{font-size:16px}
  .info{padding:0 18px}
  .info-in{grid-template-columns:1fr;margin-top:-34px}
  .citem{padding:22px 22px;gap:15px}
  .citem+.citem{border-left:0;border-top:1px solid var(--line)}
  .card-val{font-size:18px}
  .cta{padding:56px 18px 76px}
  .cta-in{padding:36px 26px;border-radius:var(--r-lg)}
  .cta h2{font-size:22px}
  .cta p{font-size:15.5px}
  .btnCase{padding:15px 34px;font-size:15px}
  .fin{grid-template-columns:1fr;padding:48px 18px 28px;gap:36px}
  .fbot{padding:20px 18px 28px}
  .mbox{margin:16px auto;max-height:calc(100vh - 32px);border-radius:var(--r-lg)}
  .mhd{padding:24px 22px 0}
  .mhd h3{font-size:20px}
  .mbd{padding:20px 22px 4px}
  .mft{padding:14px 22px 26px}
  .done{padding:8px 22px 40px}
  .prow{grid-template-columns:1fr}
}
@media(max-width:760px){
  .tphone .tlbl{display:none}
}
@media(max-width:560px){
  .btnCase{width:100%}
  .cta-act{width:100%}
  .mft{flex-direction:column-reverse}
  .mft button{width:100%}
}
@media(max-width:460px){
  /* 窄屏上切换器本身就很宽，再放电话会横向溢出 —— 电话在信息卡片里还有一份 */
  .tphone{display:none}
  .topbar .in{justify-content:flex-end}
}