/* 亿万号官网 · 科技风视觉体系
   主色 #00E6E0 / 辅助 #6B24F5 / 底色 #030610 / 主文 #F4F8FF / 辅文 #8496B2
*/
:root{
  --cy:#00E6E0;
  --cy-d:#00b3ae;
  --pu:#6B24F5;
  --bg:#030610;
  --bg2:#070C18;
  --tx:#F4F8FF;
  --mt:#8496B2;
  --line:rgba(0,230,224,.16);
  --line2:rgba(107,36,245,.24);
  --card:rgba(10,18,32,.72);
  --r:14px;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"SF Mono","JetBrains Mono","DIN Alternate",Consolas,"Courier New",monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--tx);font-family:var(--sans);
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 50% -8%,rgba(0,230,224,.10),transparent 62%),
    radial-gradient(760px 460px at 88% 8%,rgba(107,36,245,.13),transparent 66%),
    linear-gradient(180deg,#030610 0%,#04070f 40%,#030610 100%);
}
.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(0,230,224,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,230,224,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 12%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 12%,#000 0%,transparent 72%);
}
img{max-width:100%;height:auto;border:0}
a{color:var(--cy);text-decoration:none}
a:hover{color:#7ff7f4}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:.02em}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.skip{position:absolute;left:-9999px;top:0;background:var(--cy);color:#02120f;padding:10px 16px;z-index:99}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:2px solid var(--cy);outline-offset:3px;border-radius:6px}

/* ---------- 顶部导航 ---------- */
.hd{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(3,6,16,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(0,230,224,.10)}
.hd-in{display:flex;align-items:center;gap:18px;height:66px}
.logo{display:inline-flex;align-items:center;gap:9px;color:var(--tx);flex:none}
.logo:hover{color:var(--tx)}
.mark{width:34px;height:34px;flex:none;color:var(--cy);filter:drop-shadow(0 0 6px rgba(0,230,224,.55))}
.mark .wm{fill:var(--tx)}
.logo-tx{font-size:19px;font-weight:800;letter-spacing:.06em}
.logo-sub{font-size:11px;color:var(--mt);letter-spacing:.04em;border-left:1px solid rgba(132,150,178,.35);padding-left:9px;margin-left:2px}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav a{color:var(--mt);font-size:15px;padding:8px 12px;border-radius:8px;transition:.18s}
.nav a:hover{color:var(--tx);background:rgba(0,230,224,.07)}
.nav a.is-active{color:var(--cy);background:rgba(0,230,224,.09)}
.hd-cta{flex:none;padding:9px 18px;border-radius:999px;font-size:14px;font-weight:700;
  color:#02120f;background:linear-gradient(100deg,var(--cy),#6ff3ef 55%,var(--cy));
  box-shadow:0 0 0 1px rgba(0,230,224,.35),0 6px 22px -8px rgba(0,230,224,.8)}
.hd-cta:hover{color:#02120f;filter:brightness(1.08)}
.burger{display:none;width:42px;height:38px;margin-left:auto;background:none;border:0;padding:9px 8px;cursor:pointer}
.burger i,.burger i:before,.burger i:after{display:block;height:2px;background:var(--tx);border-radius:2px;transition:.2s}
.burger i{position:relative;width:22px}
.burger i:before,.burger i:after{content:"";position:absolute;left:0;width:22px}
.burger i:before{top:-7px}.burger i:after{top:7px}
.burger[aria-expanded="true"] i{background:transparent}
.burger[aria-expanded="true"] i:before{transform:rotate(45deg);top:0}
.burger[aria-expanded="true"] i:after{transform:rotate(-45deg);top:0}
/* 流光条 */
.flow{position:fixed;top:66px;left:0;right:0;height:2px;z-index:59;overflow:hidden;
  background:rgba(0,230,224,.07)}
.flow:before{content:"";position:absolute;top:0;left:-40%;width:40%;height:2px;
  background:linear-gradient(90deg,transparent,var(--cy),#b48cff,transparent);
  animation:flow 5.5s linear infinite}
@keyframes flow{0%{left:-40%}100%{left:100%}}

/* ---------- 通用 ---------- */
main{position:relative;z-index:1;padding-top:68px}
.sec{padding:74px 0}
.sec-tight{padding:54px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.18em;
  color:var(--cy);text-transform:uppercase;margin-bottom:14px}
.eyebrow:before{content:"";width:22px;height:1px;background:var(--cy);box-shadow:0 0 8px var(--cy)}
h2.t{font-size:clamp(24px,3.2vw,34px);margin-bottom:14px}
h2.t .g{background:linear-gradient(96deg,var(--cy),#b48cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--mt);max-width:760px;font-size:16.5px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;position:relative;overflow:hidden}
.panel:before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 180px at 12% 0%,rgba(0,230,224,.10),transparent 70%)}
.chip{display:inline-block;font-size:12.5px;color:var(--cy);border:1px solid var(--line);
  background:rgba(0,230,224,.06);padding:4px 11px;border-radius:999px;margin:0 6px 8px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:10px;font-size:15.5px;font-weight:700;border:1px solid transparent;
  transition:.2s;cursor:pointer;font-family:inherit}
.btn-main{color:#02120f;background:linear-gradient(100deg,var(--cy),#7ff7f4);
  box-shadow:0 10px 30px -12px rgba(0,230,224,.9),0 0 0 1px rgba(0,230,224,.5)}
.btn-main:hover{color:#02120f;transform:translateY(-1px);box-shadow:0 14px 36px -12px rgba(0,230,224,1)}
.btn-ghost{color:var(--tx);border-color:rgba(107,36,245,.55);background:rgba(107,36,245,.14)}
.btn-ghost:hover{color:#fff;border-color:var(--pu);background:rgba(107,36,245,.28)}
.crumbs{font-size:13px;color:var(--mt);padding:14px 0 0}
.crumbs a{color:var(--mt)}
.crumbs a:hover{color:var(--cy)}
.crumbs span{opacity:.6;margin:0 7px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 78px;text-align:center;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 320px at 50% 0%,rgba(0,230,224,.14),transparent 70%),
    radial-gradient(520px 300px at 78% 22%,rgba(107,36,245,.16),transparent 72%)}
.hero .wrap{z-index:2}
.h1{font-size:clamp(25px,4.6vw,46px);letter-spacing:.02em;margin-bottom:10px}
.h1 .a,.h1 .b{display:inline-block}
.h1 .a{color:var(--tx)}
.h1 .sep{color:var(--pu);padding:0 6px}
.h1 .b{background:linear-gradient(96deg,var(--cy),#b48cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:var(--mt);font-size:15.5px;margin:12px 0 26px}
.hero-sub b{color:#cfe6ff;font-weight:600}

.codebox{position:relative;max-width:660px;margin:0 auto 26px;border-radius:16px;
  background:linear-gradient(180deg,rgba(0,230,224,.10),rgba(3,6,16,.85) 60%);
  border:1px solid rgba(0,230,224,.42);
  box-shadow:0 0 0 1px rgba(0,230,224,.12),0 0 60px -18px rgba(0,230,224,.55),inset 0 0 40px -22px rgba(0,230,224,.9);
  padding:22px 22px 18px;animation:pulse 3.6s ease-in-out infinite}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 1px rgba(0,230,224,.12),0 0 46px -20px rgba(0,230,224,.5),inset 0 0 40px -22px rgba(0,230,224,.85)}
  50%{box-shadow:0 0 0 1px rgba(0,230,224,.3),0 0 74px -12px rgba(0,230,224,.8),inset 0 0 52px -18px rgba(0,230,224,1)}
}
.codebox .cb-hd{font-size:12.5px;color:var(--cy);letter-spacing:.16em;margin-bottom:12px}
.crow{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-top:1px dashed rgba(0,230,224,.18)}
.crow:first-of-type{border-top:0}
.crow .lb{font-size:14.5px;color:#cfe6ff;white-space:nowrap}
.crow .lb em{font-style:normal;color:var(--cy);font-weight:700}
.cnum{font-family:var(--mono);font-size:clamp(24px,4.2vw,34px);font-weight:700;color:#fff;
  letter-spacing:.06em;text-shadow:0 0 18px rgba(0,230,224,.65);font-variant-numeric:tabular-nums}
.copy{border:1px solid rgba(0,230,224,.5);background:rgba(0,230,224,.10);color:var(--cy);
  font-size:13px;padding:8px 14px;border-radius:8px;cursor:pointer;font-family:inherit;flex:none;transition:.18s}
.copy:hover{background:rgba(0,230,224,.22);color:#fff}
.copy.is-done{background:var(--cy);color:#02120f;border-color:var(--cy)}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.hero-note{margin-top:18px;font-size:13px;color:var(--mt);opacity:.9}

/* ---------- 邀请码详情 ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.info h3{font-size:19px;margin:0 0 10px}
.info p{color:var(--mt);margin-bottom:12px}
.code-inline{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;
  padding:14px 16px;border-radius:12px;background:rgba(0,230,224,.07);border:1px solid var(--line)}
.code-inline .k{font-size:13.5px;color:#cfe6ff}
.code-inline .v{font-family:var(--mono);font-size:26px;font-weight:700;color:#fff;letter-spacing:.05em;
  text-shadow:0 0 16px rgba(0,230,224,.6)}
.steps{position:relative;padding-left:6px}
.steps li{position:relative;padding:0 0 26px 44px;color:var(--mt)}
.steps li:last-child{padding-bottom:0}
.steps li:before{content:"";position:absolute;left:12px;top:28px;bottom:-2px;width:1px;
  background:linear-gradient(180deg,rgba(0,230,224,.55),rgba(0,230,224,.06))}
.steps li:last-child:before{display:none}
.steps .n{position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;
  color:#02120f;background:var(--cy);box-shadow:0 0 16px -2px rgba(0,230,224,.8)}
.steps .n:after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(0,230,224,.4);
  animation:ring 2.6s ease-out infinite}
@keyframes ring{0%{transform:scale(.85);opacity:.8}100%{transform:scale(1.35);opacity:0}}
.steps b{display:block;color:var(--tx);font-size:15.5px;margin-bottom:2px;font-weight:700}
.steps span{font-size:14px}
.tip{font-size:12.5px;color:var(--mt);opacity:.85;margin-top:14px}

/* ---------- 业务芯片卡 ---------- */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.chipcard{position:relative;padding:26px 22px;background:linear-gradient(180deg,rgba(0,230,224,.07),rgba(8,14,26,.9));
  border:1px solid var(--line);border-radius:12px;transition:.22s}
.chipcard:before{content:"";position:absolute;top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,transparent,var(--cy),transparent);opacity:.55}
.chipcard:hover{transform:translateY(-4px);border-color:rgba(0,230,224,.45);
  box-shadow:0 18px 40px -22px rgba(0,230,224,.75)}
.chipcard .ico{width:38px;height:38px;color:var(--cy);margin-bottom:14px}
.chipcard h3{font-size:17px;margin-bottom:8px}
.chipcard p{color:var(--mt);font-size:14.5px;margin:0}

/* ---------- 手机样机 ---------- */
.appbox{display:grid;grid-template-columns:minmax(260px,.85fr) 1fr;gap:34px;align-items:center}
.phone{position:relative;width:100%;max-width:280px;margin:0 auto;border-radius:32px;
  background:linear-gradient(180deg,#0b1322,#060b14);border:1px solid rgba(0,230,224,.28);
  box-shadow:0 30px 70px -30px rgba(0,230,224,.5),inset 0 0 0 1px rgba(255,255,255,.04);
  padding:12px 12px 16px}
.phone:before{content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);
  width:74px;height:5px;border-radius:3px;background:rgba(132,150,178,.35)}
.phone .scr{margin-top:16px;border-radius:22px;background:#050a14;border:1px solid rgba(0,230,224,.14);padding:12px}
.ph-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.ph-hd b{font-size:12.5px;color:#cfe6ff;font-weight:600}
.ph-hd i{font-size:9.5px;font-style:normal;color:var(--cy);border:1px solid rgba(0,230,224,.4);
  border-radius:4px;padding:1px 5px}
.ph-kpi{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}
.ph-kpi div{background:rgba(0,230,224,.07);border-radius:8px;padding:8px 9px}
.ph-kpi em{display:block;font-style:normal;font-size:9px;color:var(--mt)}
.ph-kpi strong{font-family:var(--mono);font-size:14px;color:var(--cy)}
.ph-row{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 2px;border-top:1px solid rgba(132,150,178,.12);font-size:10.5px;color:#a9bcd6}
.ph-row span{color:var(--mt);font-size:9.5px}
.ph-row .ok{color:var(--cy);font-size:9.5px}
.ph-bar{margin-top:10px;height:6px;border-radius:4px;background:rgba(132,150,178,.15);overflow:hidden}
.ph-bar:after{content:"";display:block;height:100%;width:72%;
  background:linear-gradient(90deg,var(--cy),var(--pu))}
.apptxt h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:12px}
.apptxt p{color:var(--mt)}
.apptxt .chips{margin-top:16px}

/* ---------- 合作对象 ---------- */
.partners .grid4{grid-template-columns:repeat(4,1fr)}
.pcard{text-align:center;padding:26px 16px;border:1px solid var(--line);border-radius:12px;
  background:rgba(10,18,32,.6);transition:.2s}
.pcard:hover{border-color:rgba(107,36,245,.6);background:rgba(107,36,245,.12)}
.pcard svg{width:34px;height:34px;color:var(--cy);margin-bottom:10px}
.pcard b{display:block;font-size:15.5px;margin-bottom:4px}
.pcard span{font-size:13px;color:var(--mt)}

/* ---------- 商务对接 ---------- */
.contactbox{display:grid;grid-template-columns:1fr 1fr;gap:26px;
  background:linear-gradient(140deg,rgba(0,230,224,.09),rgba(107,36,245,.10) 55%,rgba(3,6,16,.9));
  border:1px solid rgba(0,230,224,.24);border-radius:18px;padding:32px}
.cb-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  border-bottom:1px dashed rgba(132,150,178,.18);font-size:15.5px}
.cb-list li:last-child{border-bottom:0}
.cb-list .k{color:var(--mt);font-size:13.5px;min-width:52px;padding-top:2px}
.cb-list .v{color:#fff;font-weight:600}
.cb-list .v a{color:var(--cy);font-family:var(--mono)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .full{grid-column:1/-1}
.form label{display:block;font-size:13px;color:var(--mt);margin-bottom:6px}
.form input{width:100%;padding:12px 13px;border-radius:9px;border:1px solid rgba(132,150,178,.3);
  background:rgba(3,6,16,.65);color:var(--tx);font-size:15px;font-family:inherit;transition:.16s}
.form input:focus{outline:none;border-color:var(--cy);box-shadow:0 0 0 3px rgba(0,230,224,.14)}
.form .btn{width:100%;margin-top:4px}
.form-note{grid-column:1/-1;font-size:12px;color:var(--mt);opacity:.85}
.form-ok{display:none;grid-column:1/-1;padding:12px 14px;border-radius:9px;
  background:rgba(0,230,224,.12);border:1px solid rgba(0,230,224,.45);color:#bff7f5;font-size:13.5px}
.form-ok.on{display:block}

/* ---------- FAQ ---------- */
.faq li{border:1px solid var(--line);border-radius:11px;background:rgba(10,18,32,.55);margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:16px 20px;font-size:16px;font-weight:600;
  display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--cy);font-size:20px;font-weight:400;line-height:1;transition:.2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details[open] summary{color:var(--cy)}
.faq .a{padding:0 20px 18px;color:var(--mt);font-size:15px}
.faq .a b{color:#cfe6ff}

/* ---------- 延伸阅读 ---------- */
.more{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.more a{display:block;padding:20px;border:1px solid var(--line);border-radius:12px;
  background:rgba(10,18,32,.55);color:var(--tx);transition:.2s}
.more a:hover{border-color:rgba(0,230,224,.45);transform:translateY(-2px)}
.more b{display:block;font-size:16px;margin-bottom:6px;color:var(--cy)}
.more span{font-size:13.5px;color:var(--mt)}

/* ---------- 页脚 ---------- */
.ft{border-top:1px solid rgba(0,230,224,.12);background:linear-gradient(180deg,rgba(3,6,16,.4),rgba(2,4,10,.95));
  padding:48px 0 96px;margin-top:20px;position:relative;z-index:1}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:28px}
.ft-grid p{color:var(--mt);font-size:13.5px;margin-top:12px;line-height:1.8}
.ft h4{font-size:14px;color:#cfe6ff;margin-bottom:12px;letter-spacing:.04em}
.ft li{font-size:13.5px;color:var(--mt);margin-bottom:9px}
.ft li a{color:var(--mt)}
.ft li a:hover{color:var(--cy)}
.ft-btm{margin-top:30px;padding-top:18px;border-top:1px solid rgba(132,150,178,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--mt)}
.ft-btm a{color:var(--mt)}
.ft-kw{margin-top:16px;font-size:12.5px;color:#5d6d85;line-height:1.9}

/* ---------- 移动吸底 ---------- */
.mbar{display:none}

/* ---------- 动效 ---------- */
/* 仅在 JS 可用时启用隐藏；无 JS 或脚本报错时内容照常可见 */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .flow:before,.codebox,.steps .n:after{animation:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav{gap:0}
  .nav a{padding:8px 9px;font-size:14px}
  .logo-sub{display:none}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1.4fr 1fr 1fr;gap:22px}
  .ft-grid > div:last-child{grid-column:1/-1}
}
@media (max-width:860px){
  .hd-in{height:60px;gap:12px}
  .flow{top:60px}
  main{padding-top:62px}
  .burger{display:block}
  .hd-cta{display:none}
  .nav{position:fixed;top:60px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    background:rgba(4,8,16,.985);border-bottom:1px solid var(--line);padding:10px 16px 18px;gap:2px;
    box-shadow:0 24px 40px -20px #000}
  .nav.is-open{display:flex}
  .nav a{padding:13px 12px;font-size:15.5px;border-radius:8px}
  .sec{padding:52px 0}
  .hero{padding:40px 0 52px}
  .two,.appbox,.contactbox{grid-template-columns:1fr}
  .appbox{gap:26px}
  .phone{max-width:250px}
  .more{grid-template-columns:1fr}
  .ft{padding-bottom:104px}
  .ft-grid{grid-template-columns:1fr 1fr}
  .ft-grid > div:first-child{grid-column:1/-1}
  .codebox{padding:18px 16px 14px}
  .crow{flex-wrap:wrap;justify-content:center;text-align:center;gap:8px}
  .crow .lb{width:100%}
  .cnum{font-size:clamp(26px,8vw,34px)}
  .copy{width:100%}
  .mbar{display:grid;grid-template-columns:1.1fr 1fr .8fr;gap:8px;position:fixed;left:0;right:0;bottom:0;
    z-index:70;padding:9px 12px calc(9px + env(safe-area-inset-bottom));
    background:rgba(4,8,16,.96);border-top:1px solid rgba(0,230,224,.28);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
  .mbar button,.mbar a{display:flex;align-items:center;justify-content:center;height:44px;border-radius:9px;
    font-size:14px;font-weight:700;font-family:inherit;border:1px solid rgba(0,230,224,.45);
    background:rgba(0,230,224,.1);color:var(--cy)}
  .mbar .m-go{background:linear-gradient(100deg,var(--cy),#7ff7f4);color:#02120f;border-color:transparent}
  .mbar .m-tel{border-color:rgba(107,36,245,.7);background:rgba(107,36,245,.2);color:#dac9ff}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  /* 首屏标题改为上下两行，避免「亿万号／官方邀请码」被拦腰断开 */
  .h1{font-size:clamp(24px,7.4vw,32px);line-height:1.42}
  .h1 .a,.h1 .b{display:block}
  .h1 .sep{display:none}
  .grid4,.partners .grid4{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .contactbox{padding:22px 18px}
  .panel{padding:20px 18px}
  .logo-tx{font-size:17px}
  .mark{width:30px;height:30px}
  .ft-grid{grid-template-columns:1fr}
}