/* ============================================
   星云收银系统 · 前台科技风样式
   ============================================ */
:root{
    --bg:#05080f;
    --bg2:#070d1c;
    --panel:rgba(13,22,45,.72);
    --line:rgba(0,229,255,.22);
    --line-strong:rgba(0,229,255,.5);
    --cyan:#00e5ff;
    --cyan-dim:rgba(0,229,255,.12);
    --purple:#7c4dff;
    --text:#e8f1ff;
    --text-dim:#8fa3c7;
    --green:#35f0a0;
    --red:#ff5c7a;
    --font-head:'Orbitron','Rajdhani','PingFang SC','Microsoft YaHei',sans-serif;
    --font-body:'Rajdhani','PingFang SC','Microsoft YaHei',-apple-system,sans-serif;
    --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-body);
    font-size:15px;
    line-height:1.7;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
::selection{background:rgba(0,229,255,.3)}

/* ---------- 背景动效 ---------- */
.bg-fx{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.bg-grid{
    position:absolute;inset:0;
    background-image:
        linear-gradient(rgba(0,229,255,.05) 1px,transparent 1px),
        linear-gradient(90deg,rgba(0,229,255,.05) 1px,transparent 1px);
    background-size:46px 46px;
    mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 40%,transparent 100%);
}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:float 14s ease-in-out infinite}
.orb-1{width:480px;height:480px;background:rgba(0,229,255,.22);top:-140px;left:-100px}
.orb-2{width:420px;height:420px;background:rgba(124,77,255,.24);top:30%;right:-140px;animation-delay:-5s}
.orb-3{width:360px;height:360px;background:rgba(0,120,255,.18);bottom:-120px;left:35%;animation-delay:-9s}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-40px)}}
.scanline{
    position:absolute;left:0;right:0;height:120px;top:-140px;
    background:linear-gradient(180deg,transparent,rgba(0,229,255,.06),transparent);
    animation:scan 9s linear infinite;
}
@keyframes scan{0%{top:-140px}100%{top:110vh}}

/* ---------- 通用 ---------- */
.btn-primary,.btn-ghost{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 22px;border-radius:10px;font-weight:600;font-size:14px;
    transition:.25s;cursor:pointer;border:1px solid transparent;
}
.btn-primary{
    background:linear-gradient(135deg,var(--cyan),var(--purple));
    color:#04121c;box-shadow:0 0 24px rgba(0,229,255,.35);
}
.btn-primary:hover{box-shadow:0 0 40px rgba(0,229,255,.6);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-strong);color:var(--cyan);background:rgba(0,229,255,.04)}
.btn-ghost:hover{background:rgba(0,229,255,.12);box-shadow:0 0 20px rgba(0,229,255,.25)}
.btn-lg{padding:14px 30px;font-size:15px}
.btn-block{width:100%;justify-content:center}
.arr{transition:.25s}
.btn-primary:hover .arr{transform:translateX(4px)}

.section{max-width:1200px;margin:0 auto;padding:90px 24px}
.section-head{text-align:center;margin-bottom:52px}
.section-eyebrow{
    font-family:var(--font-head);font-size:12px;letter-spacing:5px;color:var(--cyan);
    text-shadow:0 0 14px rgba(0,229,255,.8);
}
.section-title{font-family:var(--font-head);font-size:34px;font-weight:700;margin:14px 0 10px}
.section-sub{color:var(--text-dim);font-size:15px}

.grad-text{
    background:linear-gradient(90deg,#00e5ff,#7c4dff,#00e5ff);
    background-size:200% auto;
    -webkit-background-clip:text;background-clip:text;color:transparent;
    animation:shine 4s linear infinite;
}
@keyframes shine{to{background-position:200% center}}

/* ---------- 导航 ---------- */
.nav{
    position:sticky;top:0;z-index:100;
    background:rgba(5,8,15,.75);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:700;font-size:18px}
.brand-mark{color:var(--cyan);text-shadow:0 0 12px var(--cyan);font-size:20px}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{color:var(--text-dim);font-size:14px;transition:.2s}
.nav-links a:hover{color:var(--cyan);text-shadow:0 0 12px rgba(0,229,255,.6)}
.nav-actions{display:flex;gap:10px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--cyan);border-radius:8px;padding:6px 12px;font-size:18px;cursor:pointer}

/* ---------- Hero ---------- */
.hero{padding:110px 24px 40px;text-align:center;position:relative}
.hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    font-family:var(--font-head);font-size:12px;letter-spacing:3px;color:var(--cyan);
    border:1px solid var(--line);border-radius:999px;padding:7px 18px;
    background:rgba(0,229,255,.06);
}
.dot-pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero-title{font-family:var(--font-head);font-size:58px;font-weight:900;line-height:1.15;margin:26px 0 18px}
.hero-sub{color:var(--text-dim);font-size:17px;max-width:640px;margin:0 auto 34px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

.hero-console{
    max-width:520px;margin:56px auto 0;text-align:left;
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:0 0 50px rgba(0,229,255,.1);
    overflow:hidden;
}
.console-head{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(0,0,0,.25)}
.dot{width:11px;height:11px;border-radius:50%}
.dot.red{background:#ff5c7a}.dot.yellow{background:#ffc24d}.dot.green{background:#35f0a0}
.console-title{margin-left:10px;font-size:12px;color:var(--text-dim);letter-spacing:2px}
.console-body{padding:8px 16px;min-height:118px}
.trade-row{display:flex;gap:12px;padding:7px 0;font-size:13px;border-bottom:1px dashed rgba(255,255,255,.06);animation:slideIn .5s}
.trade-row:last-child{border-bottom:none}
@keyframes slideIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1}}
.t-time{color:#5f739b;font-family:var(--font-head);font-size:12px;min-width:70px}
.t-type{color:var(--green)}
.t-amt{margin-left:auto;color:var(--cyan);font-weight:700}

/* ---------- 数据指标 ---------- */
.stats{max-width:1200px;margin:-10px auto 0;padding:0 24px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 20px;text-align:center;position:relative;overflow:hidden;
}
.stat-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;
    background:linear-gradient(90deg,transparent,var(--cyan),transparent);
}
.stat-num{font-family:var(--font-head);font-size:30px;font-weight:700;color:var(--cyan);text-shadow:0 0 18px rgba(0,229,255,.5)}
.stat-label{color:var(--text-dim);font-size:13px;margin-top:6px;letter-spacing:2px}

/* ---------- 功能卡片 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:30px 26px;transition:.3s;position:relative;overflow:hidden;
}
.feature-card::after{
    content:"";position:absolute;inset:0;opacity:0;transition:.3s;
    background:radial-gradient(300px 120px at 50% 0%,rgba(0,229,255,.12),transparent);
}
.feature-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 14px 44px rgba(0,229,255,.12)}
.feature-card:hover::after{opacity:1}
.f-icon{font-size:34px;margin-bottom:16px;filter:drop-shadow(0 0 12px rgba(0,229,255,.6))}
.feature-card h3{font-family:var(--font-head);font-size:17px;margin-bottom:10px;color:#fff}
.feature-card p{color:var(--text-dim);font-size:14px}

/* ---------- 收银台演示 ---------- */
.section-pos{max-width:1200px}
.pos-wrap{display:grid;grid-template-columns:1fr 360px;gap:22px}
.pos-products{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:20px;min-height:520px;
}
.pos-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.pos-tab{
    padding:8px 18px;border-radius:999px;border:1px solid var(--line);cursor:pointer;
    color:var(--text-dim);font-size:14px;transition:.2s;background:none;
}
.pos-tab.active,.pos-tab:hover{background:rgba(0,229,255,.14);color:var(--cyan);border-color:var(--line-strong)}
.pos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.pos-item{
    background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:12px;
    padding:16px 14px;cursor:pointer;transition:.22s;text-align:center;position:relative;
}
.pos-item:hover{border-color:var(--line-strong);background:rgba(0,229,255,.07);transform:translateY(-3px)}
.pos-item .p-price{color:var(--cyan);font-family:var(--font-head);font-weight:700;font-size:18px;margin-top:8px}
.pos-item .p-name{font-size:14px;color:#e8f1ff}
.pos-item .p-stock{font-size:11px;color:#5f739b;margin-top:4px}
.pos-item.out{cursor:not-allowed;opacity:.4}
.pos-item .p-add{
    position:absolute;top:10px;right:10px;width:22px;height:22px;border-radius:50%;
    background:linear-gradient(135deg,var(--cyan),var(--purple));color:#04121c;
    font-size:15px;line-height:22px;text-align:center;font-weight:700;
}
.pos-cart{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:20px;display:flex;flex-direction:column;min-height:520px;
}
.cart-title{font-family:var(--font-head);font-size:16px;margin-bottom:14px;display:flex;justify-content:space-between}
.cart-count{color:var(--cyan);font-size:13px}
.cart-list{flex:1;overflow-y:auto;max-height:240px;margin-bottom:14px}
.cart-empty{color:#5f739b;font-size:13px;text-align:center;padding:36px 0}
.cart-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.07);font-size:14px}
.cr-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cr-price{color:var(--text-dim);font-size:13px;min-width:52px;text-align:right}
.cr-ops{display:flex;align-items:center;gap:6px}
.cr-op{
    width:24px;height:24px;border-radius:6px;border:1px solid var(--line);cursor:pointer;
    background:none;color:var(--cyan);font-size:15px;line-height:1;
}
.cr-op:hover{background:rgba(0,229,255,.14)}
.cr-qty{min-width:22px;text-align:center;font-family:var(--font-head);font-size:14px}
.cr-sub{color:var(--cyan);font-family:var(--font-head);min-width:60px;text-align:right;font-size:14px}
.cr-del{background:none;border:none;color:#5f739b;cursor:pointer;font-size:14px}
.cr-del:hover{color:var(--red)}
.cart-member input{
    width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);
    background:rgba(0,0,0,.25);color:var(--text);font-size:14px;outline:none;
}
.cart-member input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(0,229,255,.1)}
.member-info{margin-top:8px;font-size:13px;color:var(--green);min-height:18px}
.member-info.err{color:var(--red)}
.pay-methods{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.pay-m{
    flex:1;min-width:64px;text-align:center;padding:8px 6px;border-radius:9px;cursor:pointer;
    border:1px solid rgba(255,255,255,.1);color:var(--text-dim);font-size:13px;background:none;transition:.2s;
}
.pay-m.active{border-color:var(--line-strong);color:var(--cyan);background:rgba(0,229,255,.1);box-shadow:0 0 14px rgba(0,229,255,.2)}
.cart-total{border-top:1px dashed var(--line);padding-top:12px;margin-bottom:14px}
.total-row{display:flex;justify-content:space-between;font-size:14px;color:var(--text-dim);padding:3px 0}
.total-row.final{font-size:17px;color:#fff;margin-top:6px}
.total-row.final span:last-child{color:var(--cyan);font-family:var(--font-head);font-size:22px;text-shadow:0 0 16px rgba(0,229,255,.5)}

/* ---------- 代理体系 ---------- */
.tier-wrap{display:flex;align-items:stretch;gap:0;justify-content:center;flex-wrap:wrap}
.tier-col{
    width:300px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:32px 26px;position:relative;transition:.3s;
}
.tier-col:hover{transform:translateY(-6px);box-shadow:0 16px 50px rgba(0,229,255,.14)}
.tier-partner{border-color:rgba(124,77,255,.45)}
.tier-agent{border-color:rgba(0,229,255,.45)}
.tier-store{border-color:rgba(53,240,160,.35)}
.tier-badge{
    position:absolute;top:-14px;left:50%;transform:translateX(-50%);
    padding:5px 16px;border-radius:999px;font-size:12px;letter-spacing:2px;white-space:nowrap;
    background:#0a1428;border:1px solid var(--line-strong);color:var(--cyan);
    box-shadow:0 0 16px rgba(0,229,255,.25);
}
.tier-partner .tier-badge{color:#c9a7ff;border-color:rgba(124,77,255,.6);box-shadow:0 0 16px rgba(124,77,255,.35)}
.tier-store .tier-badge{color:var(--green);border-color:rgba(53,240,160,.5)}
.tier-col h3{font-family:var(--font-head);font-size:16px;margin:6px 0 16px}
.tier-col ul{list-style:none}
.tier-col li{padding:7px 0 7px 20px;position:relative;color:var(--text-dim);font-size:14px}
.tier-col li::before{content:"▸";position:absolute;left:0;color:var(--cyan)}
.tier-col li b{color:var(--cyan)}
.tier-rate{
    margin-top:18px;text-align:center;font-family:var(--font-head);font-size:34px;font-weight:900;
    color:var(--cyan);text-shadow:0 0 22px rgba(0,229,255,.5);
}
.tier-line{display:flex;align-items:center;padding:0 14px;color:var(--text-dim);font-size:13px;white-space:nowrap}
.tier-line span::after{content:"→";margin-left:6px}
.tier-line:nth-of-type(2) span::after{content:"↓";margin-left:6px}

/* ---------- 招募 ---------- */
.section-recruit{max-width:1100px}
.recruit-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:24px}
.recruit-cards{display:flex;flex-direction:column;gap:18px}
.recruit-card{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:28px 26px;position:relative;transition:.3s;
}
.recruit-card:hover{transform:translateY(-4px);box-shadow:0 14px 44px rgba(0,229,255,.12)}
.recruit-card.hot{border-color:rgba(124,77,255,.5);box-shadow:0 0 30px rgba(124,77,255,.12)}
.rc-head{font-family:var(--font-head);font-size:17px;font-weight:700}
.recruit-card.hot .rc-head{color:#c9a7ff}
.rc-price{color:var(--text-dim);font-size:14px;margin:6px 0 14px}
.rc-price b{color:var(--cyan);font-family:var(--font-head);font-size:20px}
.recruit-card ul{list-style:none;margin-bottom:18px}
.recruit-card li{padding:4px 0 4px 20px;position:relative;color:var(--text-dim);font-size:14px}
.recruit-card li::before{content:"✓";position:absolute;left:0;color:var(--green)}
.apply-form{
    background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--radius);
    padding:30px;box-shadow:0 0 40px rgba(0,229,255,.1);
}
.apply-form h3{font-family:var(--font-head);font-size:18px;margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field span{font-size:13px;color:var(--text-dim)}
.field-full{grid-column:1/-1}
.field input,.field select,.field textarea{
    padding:11px 13px;border-radius:10px;border:1px solid var(--line);
    background:rgba(0,0,0,.25);color:var(--text);font-size:14px;outline:none;font-family:inherit;resize:vertical;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(0,229,255,.1)}
.field select option{background:#0a1428}
.apply-form .btn-block{margin-top:20px}
.form-tip{margin-top:12px;font-size:13px;color:var(--green);min-height:18px;text-align:center}
.form-tip.err{color:var(--red)}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line);background:rgba(5,8,15,.8);margin-top:40px}
.footer-inner{max-width:1200px;margin:0 auto;padding:36px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-brand{font-family:var(--font-head);font-weight:700}
.footer-brand p{font-family:var(--font-body);font-size:12px;color:#5f739b;margin-top:4px}
.footer-links{display:flex;gap:20px;color:var(--text-dim);font-size:13px}
.footer-links a:hover{color:var(--cyan)}
.footer-copy{width:100%;text-align:center;color:#44536f;font-size:12px;padding-top:14px;border-top:1px solid rgba(255,255,255,.05)}

/* ---------- 弹窗 ---------- */
.modal-mask{
    position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
    background:rgba(3,6,12,.82);backdrop-filter:blur(6px);
}
.modal-mask.show{display:flex;animation:fadeIn .25s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{
    background:var(--bg2);border:1px solid var(--line-strong);border-radius:var(--radius);
    padding:40px 48px;text-align:center;box-shadow:0 0 60px rgba(0,229,255,.25);min-width:320px;
}
.modal-icon{
    width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
    background:linear-gradient(135deg,var(--cyan),var(--purple));color:#04121c;
    font-size:30px;line-height:64px;font-weight:900;
    box-shadow:0 0 30px rgba(0,229,255,.6);animation:pop .4s;
}
@keyframes pop{0%{transform:scale(.4)}70%{transform:scale(1.12)}100%{transform:scale(1)}}
.modal h3{font-family:var(--font-head);font-size:20px;margin-bottom:10px}
.modal-order{color:var(--text-dim);font-size:14px}
.modal-amount{color:var(--cyan);font-family:var(--font-head);font-size:30px;font-weight:700;margin:10px 0 20px;text-shadow:0 0 18px rgba(0,229,255,.5)}
.modal .btn-primary{margin-top:6px}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
    .feature-grid{grid-template-columns:repeat(2,1fr)}
    .pos-wrap{grid-template-columns:1fr}
    .recruit-wrap{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .hero-title{font-size:40px}
}
@media(max-width:720px){
    .nav-links{display:none}
    .nav-actions .btn-ghost{display:none}
    .nav-toggle{display:block}
    .nav-links.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:rgba(5,8,15,.97);padding:18px 24px;border-bottom:1px solid var(--line)}
    .feature-grid{grid-template-columns:1fr}
    .hero-title{font-size:32px}
    .tier-wrap{flex-direction:column;align-items:center;gap:18px}
    .tier-line{transform:rotate(90deg);height:30px}
    .form-grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
}