/* 天正软件官方商城 · 前台样式
   设计基调：Apple Store 式留白 + 藏青主色 + 红色点缀
   -------------------------------------------------- */
:root{
  --navy:#0f2540;
  --navy-2:#1b3a5c;
  --navy-3:#2c5578;
  --red:#c33c2e;
  --red-2:#e0483a;
  --ink:#1d1d1f;
  --gray:#6e6e73;
  --gray-2:#86868b;
  --line:#e3e3e8;
  --bg:#f5f5f7;
  --white:#fff;
  --ok:#1a7f4b;
  --warn:#b26a00;
  --radius:16px;
  --radius-lg:22px;
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 8px 28px rgba(15,37,64,.07);
  --shadow-hover:0 2px 6px rgba(0,0,0,.05), 0 18px 46px rgba(15,37,64,.13);
  --maxw:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--gray)}
.small{font-size:13px}
.center{text-align:center}
.hidden{display:none !important}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.nav-in{display:flex;align-items:center;gap:8px;height:56px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;letter-spacing:.2px;color:var(--navy)}
.brand .mark{
  width:26px;height:26px;border-radius:7px;background:var(--navy);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:-.5px;
}
.brand-txt{font-size:15px}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:14px}
.nav-links a{color:var(--navy);opacity:.82;transition:.18s}
.nav-links a:hover{opacity:1;color:var(--red)}
.nav-cta{
  padding:7px 15px;border-radius:999px;background:var(--navy);color:#fff !important;
  font-size:13.5px;opacity:1 !important;transition:.18s;
}
.nav-cta:hover{background:var(--red);color:#fff !important}
.nav-user{font-size:14px;color:var(--navy);display:flex;align-items:center;gap:10px}
.nav-user .out{color:var(--gray);font-size:13px}
.nav-user .out:hover{color:var(--red)}
@media(max-width:620px){
  .nav-links{gap:16px}
  .nav-links .hide-sm{display:none}
  .brand-txt{font-size:14px}
}

/* ---------- 首屏 ---------- */
.hero{padding:74px 0 54px;text-align:center;background:
  radial-gradient(1200px 420px at 50% -140px, #eaf0f6 0%, rgba(245,245,247,0) 70%);}
.hero h1{font-size:44px;line-height:1.2;letter-spacing:-.8px;color:var(--navy);font-weight:700}
.hero .sub{margin-top:16px;font-size:17px;color:var(--gray);max-width:640px;margin-left:auto;margin-right:auto}
.hero .btns{margin-top:30px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
@media(max-width:620px){
  .hero{padding:46px 0 34px}
  .hero h1{font-size:31px}
  .hero .sub{font-size:15px}
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:500;transition:.18s;
}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--red)}
.btn-ghost{background:#fff;color:var(--navy);box-shadow:inset 0 0 0 1px var(--line)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px var(--navy)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-2)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.42;cursor:not-allowed;background:#c9ccd2;color:#fff}
.btn-lg{padding:15px 34px;font-size:16px}

/* ---------- 区块标题 ---------- */
.sec{padding:44px 0}
.sec-head{margin-bottom:24px}
.sec-head h2{font-size:27px;letter-spacing:-.4px;color:var(--navy);font-weight:600}
.sec-head p{margin-top:8px;color:var(--gray);font-size:15px}

/* ---------- 产品卡片 ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:20px}
.card{
  background:#fff;border-radius:var(--radius-lg);padding:26px 24px 22px;
  box-shadow:var(--shadow);transition:.22s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.card .ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(150deg,#eef3f8,#e2ebf4);color:var(--navy);margin-bottom:16px;
}
.card h3{font-size:19px;color:var(--navy);font-weight:600;letter-spacing:-.2px}
.card .desc{margin-top:8px;color:var(--gray);font-size:14px;min-height:42px}
.card .price{margin-top:16px;font-size:14px;color:var(--gray-2)}
.card .price b{font-size:25px;color:var(--navy);font-weight:600;letter-spacing:-.5px;margin-right:2px}
.card .foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:10px}

.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:500}
.badge-ok{background:#e8f4ec;color:var(--ok)}
.badge-warn{background:#fdf2e2;color:var(--warn)}
.badge-edu{background:#eef1fb;color:#3d4ea8}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ---------- 通用面板 ---------- */
.panel{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:28px}
.panel + .panel{margin-top:18px}
.panel h3{font-size:18px;color:var(--navy);font-weight:600;margin-bottom:14px}
hr.sep{border:0;border-top:1px solid var(--line);margin:20px 0}

/* ---------- 规格选择 ---------- */
.spec{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:14px;
  box-shadow:inset 0 0 0 1px var(--line);margin-bottom:12px;transition:.16s;cursor:pointer;background:#fff}
.spec:hover{box-shadow:inset 0 0 0 1px var(--navy-3)}
.spec.sel{box-shadow:inset 0 0 0 2px var(--navy);background:#fbfcfe}
.spec.out{opacity:.5;cursor:not-allowed}
.spec .nm{font-size:15.5px;color:var(--navy);font-weight:500}
.spec .tag{font-size:12.5px;color:var(--gray);margin-top:2px}
.spec .amt{margin-left:auto;text-align:right}
.spec .amt b{font-size:20px;color:var(--navy);font-weight:600}
.spec .amt span{font-size:13px;color:var(--gray)}
.spec .amt .old{font-size:13px;color:var(--gray-2);text-decoration:line-through;margin-right:6px}

/* ---------- 订单/金额 ---------- */
.kv{display:flex;justify-content:space-between;gap:16px;padding:11px 0;font-size:15px}
.kv .k{color:var(--gray)}
.kv .v{color:var(--navy);text-align:right}
.kv.total{border-top:1px solid var(--line);margin-top:8px;padding-top:16px;font-size:17px}
.kv.total .v{font-size:26px;font-weight:600;letter-spacing:-.5px}

/* ---------- 支付方式 ---------- */
.pay-opts{display:grid;gap:12px}
.pay-opt{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:14px;
  box-shadow:inset 0 0 0 1px var(--line);cursor:pointer;transition:.16s;background:#fff}
.pay-opt.sel{box-shadow:inset 0 0 0 2px var(--navy);background:#fbfcfe}
.pay-opt.dis{opacity:.45;cursor:not-allowed}
.pay-opt .pi{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;color:#fff;font-size:15px}
.pi-wx{background:#07c160}
.pi-ali{background:#1677ff}
.pi-bank{background:var(--navy-3)}
.pay-opt .pn{font-size:15.5px;color:var(--navy)}
.pay-opt .pd{font-size:12.5px;color:var(--gray)}
.pay-opt .pk{margin-left:auto;color:var(--navy);font-size:13px}

/* ---------- 表单 ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:var(--gray);margin-bottom:7px}
.input{
  width:100%;padding:13px 15px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:15px;color:var(--ink);outline:none;transition:.16s;
}
.input:focus{border-color:var(--navy-3);box-shadow:0 0 0 3px rgba(44,85,120,.1)}
.row{display:flex;gap:10px}
.row .input{flex:1}
.btn-code{white-space:nowrap;padding:0 16px;border-radius:12px;background:#eef2f7;color:var(--navy);font-size:13.5px}
.btn-code:hover{background:#e2eaf4}
.btn-code[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th{text-align:left;color:var(--gray);font-weight:500;font-size:13px;padding:10px 12px;border-bottom:1px solid var(--line)}
.tbl td{padding:14px 12px;border-bottom:1px solid var(--line);color:var(--navy);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl .code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px;letter-spacing:.4px}
.tbl-wrap{overflow-x:auto}

/* ---------- 二维码 ---------- */
.qr-box{display:flex;flex-direction:column;align-items:center;gap:14px;padding:22px 0}
.qr-frame{padding:14px;background:#fff;border-radius:16px;box-shadow:0 0 0 1px var(--line)}

/* ---------- 提示条 ---------- */
.note{padding:13px 16px;border-radius:12px;font-size:13.5px;line-height:1.7}
.note-info{background:#eef3f9;color:var(--navy-2)}
.note-warn{background:#fdf3e8;color:#8a5200}
.note-ok{background:#eaf5ee;color:#14603a}
.note-red{background:#fdecea;color:#8f2b20}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13.5px;color:var(--gray);padding:20px 0 0}
.crumb a:hover{color:var(--red)}
.crumb span{margin:0 8px;opacity:.5}

/* ---------- 弹窗 ---------- */
.mask{position:fixed;inset:0;background:rgba(15,37,64,.42);backdrop-filter:blur(3px);z-index:100;
  display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:#fff;border-radius:var(--radius-lg);width:100%;max-width:400px;padding:30px 28px;
  box-shadow:0 30px 80px rgba(15,37,64,.3);animation:pop .22s ease-out}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.modal h3{font-size:21px;color:var(--navy);font-weight:600;margin-bottom:6px}
.modal .sub{color:var(--gray);font-size:14px;margin-bottom:20px}
.modal .close{position:absolute;top:14px;right:16px}

/* ---------- 轻提示 ---------- */
.toast{position:fixed;left:50%;bottom:38px;transform:translateX(-50%);z-index:200;
  background:rgba(29,29,31,.94);color:#fff;padding:12px 20px;border-radius:12px;font-size:14px;
  max-width:86vw;text-align:center;line-height:1.55;box-shadow:0 12px 32px rgba(0,0,0,.25);animation:pop .2s}
.toast.ok{background:rgba(20,96,58,.96)}
.toast.err{background:rgba(143,43,32,.96)}

/* ---------- 步骤条 ---------- */
.steps{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--gray);margin:22px 0 6px;flex-wrap:wrap}
.steps .s{display:flex;align-items:center;gap:7px}
.steps .n{width:20px;height:20px;border-radius:50%;background:#e6e9ee;color:var(--gray);
  display:grid;place-items:center;font-size:12px}
.steps .s.on{color:var(--navy)}
.steps .s.on .n{background:var(--navy);color:#fff}
.steps .line{width:26px;height:1px;background:var(--line)}

/* ---------- 卖点 ---------- */
.pts{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px}
.pt{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.pt h4{font-size:15.5px;color:var(--navy);font-weight:600;margin-bottom:7px}
.pt p{font-size:13.5px;color:var(--gray);line-height:1.75}

/* ---------- 折叠说明 ---------- */
.faq{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{padding:17px 24px;cursor:pointer;font-size:15px;color:var(--navy);font-weight:500;list-style:none;
  display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'＋';color:var(--gray);font-size:16px}
.faq details[open] summary::after{content:'－'}
.faq .body{padding:0 24px 18px;color:var(--gray);font-size:14px;line-height:1.8}

/* ---------- 页脚 ---------- */
footer{margin-top:64px;background:#fff;border-top:1px solid var(--line);padding:38px 0 44px;
  font-size:13px;color:var(--gray);text-align:center;line-height:2}
footer .fl a{margin:0 9px;color:var(--gray)}
footer .fl a:hover{color:var(--red)}
footer .org{color:var(--navy);font-size:13.5px}
footer .beian a{color:var(--gray);display:inline-flex;align-items:center;gap:4px}
footer .beian a:hover{color:var(--red)}

/* ---------- 响应式 ---------- */
@media(max-width:820px){
  #pMain{grid-template-columns:1fr !important}
}
@media(max-width:620px){
  .wrap{padding:0 16px}
  .panel{padding:22px 18px}
  .sec{padding:34px 0}
  .sec-head h2{font-size:22px}
  .kv.total .v{font-size:23px}
  .btn-lg{padding:14px 26px;font-size:15px}
  .tbl{font-size:13.5px}
  .tbl th,.tbl td{padding:11px 9px}
  .grid{grid-template-columns:1fr;gap:14px}
}