/* 1stLLC — mobile-first styles (no external fonts/CDNs, loads fast in mainland China) */
:root{
  --brand:#1d4ed8; --brand-d:#1e3a8a; --brand-l:#eff4ff;
  --cta:#ff6a00; --cta-d:#e85d00; --wx:#07c160; --wx-d:#06ad56;
  --ink:#0f172a; --ink2:#334155; --muted:#64748b; --line:#e5e7eb; --bg:#f5f7fb; --card:#fff;
  --ok:#059669; --warn:#d97706; --err:#dc2626;
  --r:14px; --sh:0 6px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;padding-bottom:calc(62px + env(safe-area-inset-bottom))}
a{color:var(--brand);text-decoration:none}
img{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
.hidden{display:none!important}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
h1,h2,h3{margin:0;line-height:1.3}
.muted{color:var(--muted)} .small{font-size:13px} .xs{font-size:12px}
.center{text-align:center}
.row{display:flex;gap:12px;align-items:center}
.grow{flex:1;min-width:0}

/* header */
.hd{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;height:56px;gap:16px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;color:var(--ink)}
.logo i{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;font-style:normal;font-size:14px}
.logo small{font-weight:500;font-size:12px;color:var(--muted);display:none}
.nav{display:none;gap:22px;margin-left:24px}
.nav a{color:var(--ink2);font-size:15px}
.nav a:hover,.nav a.on{color:var(--brand)}
.hd-right{margin-left:auto;display:flex;gap:8px;align-items:center}
.hd-user{display:none;font-size:13px;color:var(--muted);max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 18px;border-radius:999px;border:1px solid transparent;cursor:pointer;font-weight:600;font-size:15px;white-space:nowrap;transition:.15s}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-sm{height:32px;padding:0 12px;font-size:13px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-block{display:flex;width:100%}
.btn-cta{background:var(--cta);color:#fff} .btn-cta:hover{background:var(--cta-d)}
.btn-pri{background:var(--brand);color:#fff} .btn-pri:hover{background:var(--brand-d)}
.btn-wx{background:var(--wx);color:#fff} .btn-wx:hover{background:var(--wx-d)}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink2)} .btn-line:hover{border-color:#cbd5e1;background:#f8fafc}
.btn-ghost{background:transparent;color:var(--brand)}

/* hero */
.hero{background:linear-gradient(160deg,#0b2a8a 0%,#1d4ed8 55%,#3b82f6 100%);color:#fff;padding:36px 0 44px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.07)}
.hero h1{font-size:28px;font-weight:800;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:#ffd27a}
.hero p.sub{margin:12px 0 18px;color:#dbe6ff;font-size:15px}
.hero .chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.hero .chips span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2)}
.hero .acts{display:flex;gap:10px;flex-wrap:wrap}
.hero .btn-line{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.trust{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:-18px;position:relative;z-index:2}
.trust div{background:#fff;border-radius:12px;padding:12px;box-shadow:var(--sh);display:flex;gap:10px;align-items:center;font-size:13px}
.trust b{display:block;font-size:14px}
.trust .ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--brand-l);color:var(--brand);font-weight:800;flex:none}

/* sections */
.sec{padding:34px 0}
.sec-hd{text-align:center;margin-bottom:20px}
.sec-hd h2{font-size:22px;font-weight:800}
.sec-hd p{margin:6px 0 0;color:var(--muted);font-size:14px}
.tabs{display:flex;gap:8px;justify-content:center;margin-bottom:16px;flex-wrap:wrap}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 16px;font-size:14px;cursor:pointer;color:var(--ink2)}
.tabs button.on{background:var(--brand);border-color:var(--brand);color:#fff}

.cards{display:grid;grid-template-columns:1fr;gap:14px}
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);border:1px solid #eef1f6}
.pad{padding:18px}
.svc{display:flex;flex-direction:column;position:relative;padding:20px 18px 18px}
.svc.hot{border:2px solid var(--cta)}
.svc .tag{position:absolute;top:-1px;right:16px;background:var(--brand-l);color:var(--brand);font-size:12px;padding:3px 10px;border-radius:0 0 8px 8px;font-weight:600}
.svc.hot .tag{background:var(--cta);color:#fff}
.svc h3{font-size:17px;padding-right:72px}
.svc .desc{color:var(--muted);font-size:13px;margin:6px 0 12px}
.price{color:var(--cta);font-weight:800;font-size:28px;line-height:1}
.price small{font-size:15px;margin-right:1px}
.unit{font-size:12px;color:var(--muted);margin-top:4px}
.svc ul{list-style:none;margin:14px 0 16px;padding:0;font-size:13.5px;color:var(--ink2);flex:1}
.svc li{padding:4px 0 4px 22px;position:relative}
.svc li:before{content:"";position:absolute;left:2px;top:10px;width:12px;height:7px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}

.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;counter-reset:s}
.steps div{background:#fff;border-radius:12px;padding:16px 14px;box-shadow:var(--sh);position:relative}
.steps div:before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;font-size:14px;margin-bottom:8px}
.steps b{display:block;font-size:15px}
.steps span{font-size:12.5px;color:var(--muted)}

.why{display:grid;grid-template-columns:1fr;gap:12px}
.why div{background:#fff;border-radius:12px;padding:16px;box-shadow:var(--sh)}
.why b{font-size:15px}
.why p{margin:4px 0 0;font-size:13px;color:var(--muted)}

.faq details{background:#fff;border-radius:12px;margin-bottom:10px;box-shadow:var(--sh);padding:0 16px}
.faq summary{cursor:pointer;padding:14px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--muted);font-weight:400;font-size:20px;line-height:1}
.faq details[open] summary:after{content:"−"}
.faq details p{margin:0 0 14px;color:var(--ink2);font-size:14px}

.contact{display:grid;grid-template-columns:1fr;gap:16px;align-items:center}
.contact .qr{width:180px;height:180px;border-radius:12px;background:#f1f5f9;margin:0 auto;display:block;object-fit:cover}
.contact ul{list-style:none;padding:0;margin:0;font-size:14px}
.contact li{padding:6px 0;border-bottom:1px dashed var(--line)}

.ft{background:#0f172a;color:#94a3b8;font-size:12.5px;padding:24px 0 28px;margin-top:20px}
.ft a{color:#cbd5e1}
.ft .wrap{display:flex;flex-direction:column;gap:6px}

/* bottom tab bar (mobile) */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--line);display:flex;padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;height:56px;font-size:11px;color:var(--muted);gap:2px}
.tabbar a svg{width:22px;height:22px}
.tabbar a.on{color:var(--brand)}
.tabbar a.cta{color:var(--cta);font-weight:700}

/* forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field label .req{color:var(--err);margin-left:2px}
.inp{width:100%;height:44px;border:1px solid #d6dbe4;border-radius:10px;padding:0 12px;background:#fff;outline:none;font-size:15px}
textarea.inp{height:auto;min-height:72px;padding:10px 12px}
.inp:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.hint.error,.err-text{color:var(--err)}
.ok-text{color:var(--ok)}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg label{flex:1;min-width:120px;border:1px solid #d6dbe4;border-radius:10px;padding:10px 12px;cursor:pointer;font-weight:500;font-size:14px;display:flex;gap:8px;align-items:center;background:#fff}
.seg input{accent-color:var(--brand)}
.seg label.on{border-color:var(--brand);background:var(--brand-l);color:var(--brand-d)}
.code-row{display:flex;gap:8px}
.code-row .inp{flex:1}

/* page views */
.view{padding-top:18px;padding-bottom:28px}
.page-title{font-size:20px;font-weight:800;margin:4px 0 14px;display:flex;align-items:center;gap:8px}
.back{display:inline-flex;align-items:center;gap:4px;color:var(--muted);font-size:14px;margin-bottom:8px;cursor:pointer;background:none;border:0;padding:0}
.flow{display:flex;justify-content:space-between;margin:4px 0 18px;position:relative}
.flow:before{content:"";position:absolute;top:13px;left:12%;right:12%;height:2px;background:var(--line)}
.flow div{position:relative;flex:1;text-align:center;font-size:12px;color:var(--muted)}
.flow i{display:grid;place-items:center;width:28px;height:28px;margin:0 auto 4px;border-radius:50%;background:#e2e8f0;color:#64748b;font-style:normal;font-weight:700;font-size:13px;position:relative}
.flow div.on{color:var(--brand);font-weight:600} .flow div.on i{background:var(--brand);color:#fff}
.flow div.done i{background:var(--ok);color:#fff}
.pick{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;cursor:pointer;background:#fff}
.pick.on{border-color:var(--brand);background:#f7f9ff}
.pick input{margin-top:4px;width:18px;height:18px;accent-color:var(--brand);flex:none}
.pick b{display:block;font-size:15px}
.pick .grow{min-width:0}
.pick .p{color:var(--cta);font-weight:700;white-space:nowrap;margin-left:auto}
.sumbar{position:sticky;bottom:calc(56px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);padding:10px 16px;display:flex;align-items:center;gap:12px;margin:16px -16px 0;z-index:5}
.sumbar .tot{font-size:13px;color:var(--muted)} .sumbar .tot b{font-size:22px;color:var(--cta)}
.grid2{display:grid;grid-template-columns:1fr;gap:16px}
.grid2>*{min-width:0}
.box-title{font-size:16px;font-weight:700;margin:0 0 12px;display:flex;align-items:center;gap:8px}
.box-title:before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}

/* pay */
.pay-amt{text-align:center;padding:10px 0 4px}
.pay-amt .price{font-size:38px}
.pay-way{display:flex;align-items:center;gap:10px;padding:14px;border:2px solid var(--wx);border-radius:12px;background:#f0fdf5;margin:16px 0}
.pay-way svg{width:30px;height:30px;flex:none}
.qrbox{text-align:center;padding:10px 0}
.qrbox img{width:220px;height:220px;border:1px solid var(--line);border-radius:12px;padding:8px;background:#fff;image-rendering:pixelated}
.paid-ok{text-align:center;padding:24px 0}
.paid-ok .ic{width:64px;height:64px;border-radius:50%;background:var(--ok);color:#fff;display:grid;place-items:center;margin:0 auto 12px;font-size:34px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.kv dt{color:var(--muted)} .kv dd{margin:0;word-break:break-all}

/* orders */
.badge{display:inline-block;font-size:12px;padding:2px 9px;border-radius:999px;font-weight:600;white-space:nowrap}
.b-pending{background:#fff4e5;color:#b45309}.b-doing{background:#e8efff;color:var(--brand)}.b-done{background:#e7f8ef;color:var(--ok)}.b-cancel{background:#f1f5f9;color:#64748b}
.ord{padding:16px;margin-bottom:12px;cursor:pointer}
.ord .top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.ord h3{font-size:16px}
.bar{height:6px;border-radius:3px;background:#e2e8f0;overflow:hidden;margin:10px 0 6px}
.bar i{display:block;height:100%;background:var(--brand);border-radius:3px}
.tl{position:relative;padding-left:26px}
.tl .it{position:relative;padding:0 0 18px}
.tl .it:before{content:"";position:absolute;left:-18px;top:6px;bottom:-6px;width:2px;background:var(--line)}
.tl .it:last-child:before{display:none}
.tl .dot{position:absolute;left:-26px;top:2px;width:18px;height:18px;border-radius:50%;background:#e2e8f0;border:3px solid #fff;box-shadow:0 0 0 1px #e2e8f0}
.tl .it.done .dot{background:var(--ok);box-shadow:0 0 0 1px var(--ok)}
.tl .it.cur .dot{background:var(--brand);box-shadow:0 0 0 4px rgba(29,78,216,.18)}
.tl b{font-size:14.5px} .tl p{margin:2px 0 0;font-size:13px;color:var(--muted)}
.doc{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #f1f5f9}
.doc:last-child{border-bottom:0}
.doc .ic{width:38px;height:38px;border-radius:10px;background:#fee2e2;color:#b91c1c;display:grid;place-items:center;font-size:11px;font-weight:800;flex:none}
.empty{text-align:center;color:var(--muted);padding:28px 10px;font-size:14px}
.notice{padding:10px 12px;border-radius:10px;font-size:13px;margin-bottom:12px;background:#fff8eb;color:#92400e;border:1px solid #fde7c2}
.notice.info{background:var(--brand-l);color:var(--brand-d);border-color:#d6e2ff}

/* modal / toast */
.mask{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:60;display:flex;align-items:flex-end;justify-content:center}
.sheet{background:#fff;width:100%;max-width:440px;border-radius:18px 18px 0 0;padding:20px 18px calc(20px + env(safe-area-inset-bottom));max-height:90vh;overflow:auto}
.sheet h3{font-size:17px;margin-bottom:12px;text-align:center}
.toast{position:fixed;left:50%;top:76px;transform:translate(-50%,0) scale(.96);background:rgba(15,23,42,.88);color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;z-index:99;opacity:0;pointer-events:none;transition:.18s;max-width:80vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0) scale(1)}
.toast-error{background:rgba(185,28,28,.92)}
.spin{display:inline-block;width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .7s linear infinite;vertical-align:-3px}
@keyframes sp{to{transform:rotate(360deg)}}

@media (min-width:768px){
  body{padding-bottom:0}
  .tabbar{display:none}
  .nav{display:flex}
  .logo small{display:inline}
  .hero{padding:64px 0 60px}
  .hero h1{font-size:42px}
  .hero p.sub{font-size:17px;max-width:640px}
  .trust{grid-template-columns:repeat(4,1fr);margin-top:-28px}
  .sec{padding:56px 0}
  .sec-hd h2{font-size:28px}
  .cards{grid-template-columns:repeat(3,1fr);gap:18px}
  .steps{grid-template-columns:repeat(5,1fr)}
  .why{grid-template-columns:repeat(4,1fr)}
  .contact{grid-template-columns:220px 1fr}
  .grid2{grid-template-columns:1.4fr 1fr;align-items:start}
  .sumbar{position:static;margin:16px 0 0;border:0;padding:0}
  .mask{align-items:center}
  .sheet{border-radius:18px}
  .view{padding-top:28px;padding-bottom:48px}
  .hd-user{display:inline}
}

.ft-legal{margin-top:8px;padding-top:10px;border-top:1px solid #1e293b;display:flex;flex-direction:column;gap:4px}
.ft-beian{display:flex;flex-wrap:wrap;gap:4px 16px}
.ft-beian a{color:#94a3b8;text-decoration:none}
.ft-beian a:hover{color:#e2e8f0;text-decoration:underline}

/* ---------- announcement bar (editable in /admin) ---------- */
.announce { background: #fff7e6; color: #8a4b00; border-bottom: 1px solid #ffe2b3; font-size: 13px; }
.announce .wrap { display: flex; align-items: center; gap: 10px; padding-top: 8px; padding-bottom: 8px; }
.announce #announce-text { flex: 1; min-width: 0; word-break: break-word; }
.announce a { color: #c25e00; font-weight: 600; white-space: nowrap; }
.announce button { border: 0; background: none; color: #8a4b00; font-size: 18px; line-height: 1; cursor: pointer; padding: 0 2px; }