:root{
  --cream:#FFFAF0; --card:#FFFFFF; --ink:#2D2A26; --sub:#5C5147; --hint:#8A8272;
  --yellow:#FFC857; --coral:#FF8C7A; --blue:#6BB6E0; --green:#7BB661;
  --border:#F5E5BD; --border2:#E5D198;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei","Inter",system-ui,sans-serif;background:var(--cream);color:var(--ink)}
h1,h2,h3,.num{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-weight:600}
.hidden{display:none!important}
button{font-family:inherit;cursor:pointer;border:none;background:none}
a{color:inherit;text-decoration:none;cursor:pointer}

/* ===== 通用 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:600;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--yellow);color:var(--ink);padding:12px 24px;font-size:15px}
.btn-primary:hover{box-shadow:0 6px 18px rgba(255,200,87,.45)}
.btn-ghost{background:#fff;border:1px solid var(--border2);color:var(--ink);padding:12px 24px;font-size:15px}
.btn-white{background:#fff;color:var(--ink);padding:12px 24px;font-size:15px}
.btn-lg{padding:16px 32px;font-size:16px}
.btn.sm{padding:8px 16px;font-size:13px}
.btn.block{width:100%;margin-top:8px}
.badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--sub)}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--yellow)}
.badge-coral{background:#FFDCD6;border:none;color:#B0432F;font-weight:600}
.badge-green{background:#DFF0D2;border:none;color:#4A7A34;font-weight:600}
.link{color:#B0432F;font-weight:500;font-size:15px}
.link.center{display:block;text-align:center;margin-top:10px;font-size:13px}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}
.logo-icon{display:grid;grid-template-columns:1fr 1fr;gap:2px;width:22px;height:22px}
.logo-icon i{border-radius:5px;display:block}
.logo-icon i:nth-child(1){background:var(--yellow)}.logo-icon i:nth-child(2){background:var(--coral)}
.logo-icon i:nth-child(3){background:var(--blue)}.logo-icon i:nth-child(4){background:var(--green)}
.section{padding:72px 64px;max-width:1440px;margin:0 auto;text-align:center}
.section h2{font-size:34px;margin-bottom:10px}
.section-sub{color:var(--sub);font-size:16px;margin-bottom:36px}
.hint{color:var(--hint);font-size:13px;line-height:1.7}
.hint.center{text-align:center;display:block;margin-top:8px}

/* ===== 落地页 ===== */
.nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:16px 64px;background:rgba(255,250,240,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav-links{display:flex;gap:36px;font-size:15px;color:var(--sub)}
.nav-links a:hover{color:var(--ink)}
.hero{display:flex;align-items:center;gap:56px;padding:72px 64px;max-width:1440px;margin:0 auto}
.hero-left{flex:1}
.hero h1{font-size:52px;line-height:1.2;margin:22px 0 18px}
.hero .sub{font-size:18px;color:var(--sub);line-height:1.7;margin-bottom:28px}
.hero-cta{display:flex;gap:16px;align-items:center;margin-bottom:20px}
.trust{font-size:13px;color:var(--sub)}
.trust::first-letter{color:var(--coral)}
.hero-right{position:relative}
.hero-right canvas{border-radius:32px;box-shadow:0 24px 60px rgba(66,53,20,.14);display:block}
.float-card{position:absolute;left:-40px;bottom:32px;background:#fff;border-radius:16px;padding:12px 18px;display:flex;gap:12px;align-items:center;box-shadow:0 10px 30px rgba(66,53,20,.16)}
.float-card .fc-icon{font-size:26px}
.float-card small{display:block;color:var(--sub);font-size:12px}
.float-card b{font-size:14px}
.cards3{display:flex;gap:24px;text-align:left}
.card{flex:1;background:var(--card);border-radius:24px;padding:32px;box-shadow:0 8px 24px rgba(66,53,20,.06)}
.card h3{font-size:20px;margin:14px 0 10px}
.card p{color:var(--sub);font-size:14px;line-height:1.7;margin-bottom:6px}
.card-icon{font-size:30px;margin-top:14px}
.step-badge{display:inline-block;border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600}
.step-badge.b1{background:#FFE9B8;color:#8A5A2B}
.step-badge.b2{background:#FFDCD6;color:#B0432F}
.step-badge.b3{background:#D6EBF8;color:#2F6EA3}
.row-between{display:flex;justify-content:space-between;align-items:center;max-width:1312px;margin:0 auto 28px}
.row-between h2{margin:0}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gallery-grid .gcard{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 8px 24px rgba(66,53,20,.06)}
.gallery-grid canvas{width:100%;display:block}
.gallery-grid .gcap{padding:12px 16px;font-size:14px;font-weight:500;text-align:left}
.split{display:flex;align-items:center;gap:64px;text-align:left}
.split-left{flex:1}
.split-left h2{margin:16px 0 10px}
.feat-list{list-style:none;margin:24px 0}
.feat-list li{margin-bottom:18px}
.feat-list b{display:block;font-size:16px;margin-bottom:4px}
.feat-list span{color:var(--sub);font-size:14px}
.split-right canvas{border-radius:32px;box-shadow:0 24px 60px rgba(66,53,20,.14)}
.card.price .num{font-size:36px;margin:8px 0 12px}
.card.price.hot{background:#FFF6DE;border:2px solid var(--yellow);box-shadow:0 12px 32px rgba(255,200,87,.3)}
.cta-final{padding-top:24px}
.cta-card{background:var(--yellow);border-radius:32px;padding:72px 80px}
.cta-card h2{font-size:38px}
.cta-card p{margin:12px 0 24px;color:#5C4A1F}
.cta-card small{display:block;margin-top:14px;color:#5C4A1F}
.footer{background:var(--ink);color:#E8E0D0;padding:64px}
.footer-top{display:flex;justify-content:space-between;max-width:1312px;margin:0 auto 40px;gap:40px;flex-wrap:wrap}
.logo.white{color:#FFFAF0}
.tagline{color:#B8AE9E;font-size:14px;margin-top:12px}
.fcol{display:flex;flex-direction:column;gap:12px;font-size:14px}
.fcol b{color:#8A8272;font-size:13px}
.footer-bottom{display:flex;justify-content:space-between;max-width:1312px;margin:0 auto;padding-top:28px;border-top:1px solid #453f36;color:#8A8272;font-size:13px}

/* ===== 应用页 ===== */
.appbar{display:flex;align-items:center;justify-content:space-between;padding:14px 48px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.steps{display:flex;gap:8px}
.step-pill{border-radius:999px;padding:7px 16px;font-size:13px;font-weight:500;background:#F7EFDD;color:var(--hint)}
.step-pill.active{background:var(--yellow);color:var(--ink)}
.avatar{width:32px;height:32px;border-radius:50%;background:radial-gradient(circle at 50% 35%,#FF8C7A 32%,transparent 33%),radial-gradient(circle at 50% 110%,#FF8C7A 58%,transparent 59%),#FFDCD6}
.app-view{max-width:1440px;margin:0 auto;padding:40px 64px;text-align:center}
.app-view h2{font-size:28px;margin-bottom:8px}
.dropzone{max-width:760px;margin:28px auto 0;background:#fff;border:2px dashed var(--border2);border-radius:24px;padding:56px 32px;display:flex;flex-direction:column;align-items:center;gap:12px;cursor:pointer;transition:border-color .15s,background .15s}
.dropzone.drag{border-color:var(--yellow);background:#FFF9E8}
.dz-icon{font-size:40px;color:var(--yellow)}
.dropzone small{color:var(--hint)}
.gen-row{max-width:760px;margin:20px auto 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.chk{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--sub);cursor:pointer}
.chk input{accent-color:var(--yellow);width:16px;height:16px}
.gen-row select{padding:10px 14px;border-radius:12px;border:1px solid var(--border2);background:#fff;font-size:14px;margin-left:8px;font-family:inherit}
.pattern-layout{display:flex;gap:28px;align-items:flex-start;justify-content:center;text-align:left}
.panel{background:#fff;border-radius:24px;padding:20px;box-shadow:0 8px 24px rgba(66,53,20,.06);display:flex;flex-direction:column;gap:12px}
.panel-label{color:var(--hint);font-size:13px;font-weight:500}
.panel canvas{border-radius:16px;display:block}
.arrow{font-size:32px;color:var(--yellow);align-self:center;font-weight:700}
.panel.side{width:280px}
.kv{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--sub)}
.kv b{color:var(--ink)}
.kv.total b{color:#B0432F;font-size:20px}
.game-toolbar{display:flex;align-items:center;gap:14px;margin-bottom:20px;text-align:left}
.game-layout{display:flex;gap:24px;align-items:flex-start;text-align:left}
.panel.palette{width:220px}
.palette-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.swatch{width:100%;aspect-ratio:1;border-radius:10px;border:2px solid transparent;cursor:pointer;transition:transform .1s}
.swatch:hover{transform:scale(1.08)}
.swatch.active{border-color:var(--ink)}
.board-wrap{background:#fff;border-radius:24px;padding:20px;box-shadow:0 8px 24px rgba(66,53,20,.06)}
#board{border-radius:12px;cursor:crosshair;touch-action:none}
.bar{height:10px;border-radius:999px;background:#F7EFDD;overflow:hidden}
.bar-fill{height:100%;width:0;background:var(--yellow);border-radius:999px;transition:width .2s}
.panel.side hr{border:none;border-top:1px solid var(--border)}
.order-layout{display:flex;gap:32px;justify-content:center;align-items:flex-start;text-align:left}
.order-right{display:flex;flex-direction:column;gap:16px;width:400px}
.chips{display:flex;gap:10px}
.chip{border-radius:999px;padding:10px 16px;font-size:13px;font-weight:500;background:#fff;border:1px solid var(--border2);color:var(--sub)}
.chip.active{background:var(--yellow);color:var(--ink);border-color:var(--yellow)}
.stepper{display:inline-flex;align-items:center;border:1px solid var(--border2);border-radius:999px;overflow:hidden}
.stepper button{padding:6px 14px;font-size:15px;color:var(--sub)}
.stepper b{padding:0 8px}
.panel input{border:1px solid var(--border2);border-radius:12px;padding:12px 14px;font-size:14px;font-family:inherit;background:#FFFCF5}
.panel input:focus{outline:2px solid var(--yellow)}
.free-badge{background:#DFF0D2;color:#4A7A34;border-radius:999px;padding:4px 12px;font-size:13px;font-weight:600}
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#FFFAF0;border-radius:999px;padding:12px 28px;font-size:14px;z-index:99;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.modal{position:fixed;inset:0;background:rgba(45,42,38,.45);display:flex;align-items:center;justify-content:center;z-index:100}
.modal-card{background:#fff;border-radius:28px;padding:48px 56px;text-align:center;max-width:460px}
.modal-icon{font-size:48px;margin-bottom:12px}
.modal-card h2{margin-bottom:10px}
.modal-card p{color:var(--sub);line-height:1.8;margin-bottom:12px}
.modal-card .btn{margin-top:12px}

@media (max-width:1000px){
  .hero,.split,.pattern-layout,.game-layout,.order-layout{flex-direction:column;align-items:center}
  .cards3{flex-direction:column}
  .gallery-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .section,.hero{padding:40px 24px}
  .app-view{padding:24px}
}