:root{--bg: #f6f3ed;--panel: #ffffff;--panel-soft: #fffaf3;--ink: #20242a;--muted: #68717d;--line: #e7dccb;--brand: #e84d3d;--brand-dark: #b9362e;--teal: #0f9d8e;--gold: #f0aa2f;--soft-red: #fff0ec;--shadow: 0 16px 34px rgba(48, 36, 26, .08)}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:radial-gradient(circle at 0% 0%,rgba(232,77,61,.08),transparent 24rem),linear-gradient(180deg,#fbf6ed 0%,var(--bg) 42%,#f8f7f4 100%);font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{cursor:pointer}.desktop-app{min-width:1120px;min-height:100vh}.topbar{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:260px 1fr auto;gap:24px;align-items:center;padding:14px 36px;background:#fffaf3e6;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand,.top-nav,.top-actions,.card-head,.summary-strip,.section-toolbar,.meta-line,.order-item{display:flex;align-items:center}.brand{gap:10px}.brand-mark{display:grid;width:38px;height:38px;place-items:center;overflow:hidden;background:#fff4e6;border-radius:8px;box-shadow:0 10px 22px #e84d3d33}.brand-mark img{display:block;width:100%;height:100%;object-fit:cover}.brand strong{display:block;font-size:17px;line-height:1.1}.brand span,.panel-label,.search-card p,.filter-card span,.summary-strip span,.meta-line,.price-cell span,.cash-cell span,.order-item span,.ledger-row span,.mini-empty span,.tips-panel p{color:var(--muted)}.brand span,.panel-label,.summary-strip span,.price-cell span,.cash-cell span{font-size:12px}.top-nav{justify-content:center;gap:4px;width:fit-content;justify-self:center;padding:5px;background:#ffffffb8;border:1px solid var(--line);border-radius:8px}.top-nav button{color:#59626e;border:0;background:transparent;padding:9px 14px;border-radius:6px;font-size:14px;white-space:nowrap}.top-nav button.active{color:var(--brand-dark);background:var(--soft-red);font-weight:800}.legacy-user-nav{display:none}.top-actions{gap:10px}.ghost-button,.dark-button{min-height:38px;border-radius:8px;padding:0 14px;font-weight:800}.ghost-button{color:#4f5865;background:#fff;border:1px solid var(--line)}.dark-button{color:#fff;background:var(--ink);border:0;box-shadow:0 10px 20px #20242a24}.workspace{display:grid;grid-template-columns:288px minmax(520px,1fr) 340px;gap:18px;padding:22px 36px 40px}.workspace-coupons{align-items:start}.workspace-coupons:has(.workspace-activity) .left-panel{grid-column:1;grid-row:1 / span 2}.workspace-coupons .workspace-activity{grid-column:2 / 4;grid-row:1}.workspace-coupons:has(.workspace-activity) .main-panel{grid-column:2;grid-row:2}.workspace-coupons:has(.workspace-activity) .right-panel{grid-column:3;grid-row:2}.workspace-orders,.workspace-ledger{grid-template-columns:minmax(0,1180px);justify-content:center;padding-top:28px}.workspace-cashback{grid-template-columns:320px minmax(0,1fr);max-width:1500px;margin:0 auto;padding-top:28px}.home-page{display:grid;gap:20px;padding:28px 36px 46px}.home-hero{display:grid;grid-template-columns:minmax(520px,.95fr) minmax(420px,.75fr);gap:24px;align-items:stretch;min-height:420px}.home-copy,.home-visual,.home-metrics article,.feature-card,.flow-section{background:#ffffffe6;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.home-copy{display:grid;align-content:center;padding:42px}.home-eyebrow{width:fit-content;color:var(--brand-dark);background:var(--soft-red);border:1px solid rgba(232,77,61,.2);border-radius:999px;padding:8px 12px;font-size:13px;font-weight:900}.home-copy h1{max-width:650px;margin:18px 0 14px;font-size:46px;line-height:1.12;letter-spacing:0}.home-copy p{max-width:680px;margin:0;color:#4f5a66;font-size:17px;line-height:1.8}.home-search{display:grid;grid-template-columns:1fr 118px;gap:10px;max-width:640px;margin-top:24px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:8px}.home-search input{min-height:46px;border:0;outline:0;padding:0 12px}.home-search button,.primary-action{border:0;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-dark));border-radius:7px;font-weight:900}.home-actions{display:flex;gap:10px;margin-top:16px}.primary-action,.secondary-action{min-height:42px;padding:0 16px}.secondary-action{color:#4f5865;background:#fff;border:1px solid var(--line);border-radius:7px;font-weight:800}.home-visual{position:relative;overflow:hidden;min-height:420px;background:radial-gradient(circle at 16% 14%,rgba(232,77,61,.12),transparent 12rem),#fffaf3}.visual-image{position:absolute;top:24px;right:24px;bottom:24px;left:86px;background:linear-gradient(90deg,#fffaf32e,#fffaf300),url(/assets/deal-hero.png) center / cover;border-radius:8px}.visual-card{position:absolute;display:grid;gap:6px;min-width:164px;padding:14px;background:#ffffffe6;border:1px solid rgba(231,220,203,.9);border-radius:8px;box-shadow:0 16px 30px #30241a1f;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.visual-card.top{left:26px;top:38px}.visual-card.bottom{left:26px;bottom:38px}.visual-card span{color:var(--muted);font-size:12px;line-height:1.55}.visual-card strong{font-size:18px;line-height:1.35}.home-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.home-metrics article{display:grid;gap:8px;padding:18px}.home-metrics span{color:var(--muted);font-size:13px}.home-metrics 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strong{font-size:14px}.bar{height:8px;overflow:hidden;background:#f0e6d8;border-radius:999px}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--gold))}.tips-panel{display:grid;gap:8px;background:radial-gradient(circle at 100% 0%,rgba(15,157,142,.12),transparent 9rem),#fff}.tips-panel strong{font-size:16px}.tips-panel p{margin:0;font-size:13px;line-height:1.65}.login-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:24px;background:#20242a57;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.login-dialog{position:relative;width:min(420px,100%);padding:26px;background:radial-gradient(circle at 100% 0%,rgba(232,77,61,.1),transparent 10rem),#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 28px 60px #20242a38}.login-close{position:absolute;top:14px;right:14px;width:34px;height:34px;color:#6a7480;background:#fbf7f0;border:1px solid var(--line);border-radius:7px;font-size:20px;line-height:1}.login-dialog h2{margin:0 0 10px;font-size:26px}.login-dialog p{margin:0 0 18px;color:var(--muted);line-height:1.7}.login-form{display:grid;gap:10px}.auth-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:4px;background:#f7f1e8;border:1px solid var(--line);border-radius:8px}.auth-tabs button{min-height:34px;color:var(--muted);background:transparent;border:0;border-radius:6px;font-weight:900}.auth-tabs button.active{color:var(--brand-dark);background:#fff;box-shadow:0 8px 20px #2c241914}.login-form input{min-height:44px;padding:0 12px;background:#fff;border:1px solid var(--line);border-radius:7px;outline:none}.login-form input:focus{border-color:#e84d3d8c;box-shadow:0 0 0 3px #e84d3d1a}.login-error{color:var(--brand-dark);font-size:13px;font-weight:800}.login-form small{color:var(--teal);font-size:13px;font-weight:800}.code-row{display:grid;grid-template-columns:1fr 118px;gap:8px}.login-form button{min-height:44px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-dark));border:0;border-radius:7px;font-weight:900}.login-form .auth-tabs button{min-height:34px;color:var(--muted);background:transparent}.login-form .auth-tabs button.active{color:var(--brand-dark);background:#fff}.login-link{width:100%;min-height:40px;margin-top:10px;color:#57616d;background:transparent;border:0;font-weight:800}@media(max-width:1280px){.workspace{grid-template-columns:260px minmax(480px,1fr)}.right-panel{grid-column:1 / -1;grid-template-columns:repeat(3,minmax(0,1fr))}}