:root{--text:#2b2b2b;--dim:#8b8b8b;--card:#fff}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--page-bg);color:var(--text);line-height:1.7;padding:16px 14px 34px}
.wrap{max-width:560px;margin:0 auto}
h1{font-size:1.55rem;font-weight:900;text-align:center;margin:6px 0 18px}
.card{background:var(--card);border-radius:18px;padding:16px 16px 18px;margin-bottom:14px;box-shadow:0 6px 20px var(--shadow)}
.intro p{font-size:.95rem;color:#3f3f46;margin-bottom:10px}
.intro p:last-child{margin-bottom:0}
.intro strong,.step-desc b,.step-desc strong,.hot-title,.hot-foot,.shot-tip-title,.uploadZone b,.step-warn{color:var(--accent)}
.step-head{display:flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:800;margin-bottom:8px}
.num{width:26px;height:26px;flex:none;border-radius:50%;background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;font-size:.9rem;display:flex;align-items:center;justify-content:center;font-weight:800}
.step-desc{font-size:.92rem;color:#52525b}
.step-warn{margin-top:6px;font-size:.86rem;font-weight:700}
.poster-box{position:relative;margin-top:12px;border-radius:16px;overflow:hidden;background:#2a2a33 center/cover no-repeat}
.poster-box canvas{width:100%;display:block}
.save-btn{display:block;width:100%;margin-top:12px;border:none;background:linear-gradient(135deg,#7ee0b8,#4cc38a);color:#0b3a26;font-weight:800;font-size:.98rem;padding:13px;border-radius:30px;cursor:pointer}
.hot-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.hot-title{font-size:1.05rem;font-weight:800}
.hot-tag{font-size:.72rem;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent-2),var(--accent));padding:2px 9px;border-radius:20px}
.hot-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.hot-item img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;display:block}
.hot-item span{display:block;text-align:center;font-size:.72rem;font-weight:600;color:var(--dim);margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hot-foot{text-align:center;font-size:.82rem;font-weight:700;margin-top:10px}
.shot-tip{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--tint);border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-top:12px}
.shot-tip-title{font-size:.95rem;font-weight:700}
.shot-tip-sub{font-size:.78rem;color:var(--dim);margin-top:2px}
.shot-tip-btn{flex:none;border:none;background:linear-gradient(135deg,var(--accent-2),var(--accent-deep));color:#fff;font-weight:800;font-size:.85rem;padding:10px 16px;border-radius:10px;cursor:pointer}
.shot-mask{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:9998;display:none;align-items:center;justify-content:center;padding:14px}
.shot-mask.show{display:flex}
.shot-mask img{width:100%;max-width:430px;border-radius:14px}
.shot-close{position:fixed;bottom:16px;left:0;right:0;text-align:center;color:rgba(255,255,255,.78);font-size:.8rem}
.proof-toast{position:fixed;right:12px;bottom:15%;z-index:900;display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:9px 14px 9px 9px;box-shadow:0 8px 24px rgba(0,0,0,.12);max-width:76vw;transform:translateX(28px) scale(.96);opacity:0;pointer-events:none;transition:.38s}
.proof-toast.show{transform:none;opacity:1}
.proof-avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.proof-name{font-size:13px;font-weight:800}
.proof-text{font-size:12.5px;color:#8a8a8a}
.platforms{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px}
.plat{border:1px solid var(--line);background:#fff;border-radius:16px;padding:18px 8px;font-size:.95rem;font-weight:700;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer}
.plat span{font-size:2rem;line-height:1}
.uploadZone{position:relative;margin-top:12px;padding:26px 16px;border:2px dashed var(--line);border-radius:14px;background:var(--tint);text-align:center;color:var(--dim)}
.uploadZone input{position:absolute;inset:0;opacity:0;cursor:pointer}
.upload-status{display:block;text-align:center;font-size:.88rem;font-weight:700;margin-top:10px;color:var(--accent)}
.submitBtn{width:100%;margin-top:12px;padding:15px 0;border:none;border-radius:14px;font-size:1.05rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--accent-2),var(--accent-deep));cursor:pointer}
.submitBtn:disabled{background:#ececf1;color:#a1a1aa;cursor:default}
.warn-line{text-align:center;font-size:.82rem;color:#9ca3af;margin-top:10px}
footer{text-align:center;color:#b9b9c6;font-size:.82rem;padding-top:8px}
footer .f-brand{font-size:1.1rem;font-weight:800;color:#d7d7e0;letter-spacing:4px;margin-bottom:6px}
.mask{position:fixed;inset:0;background:#000;z-index:9999;display:none}
.mask.show{display:block}
.mask canvas{display:block;width:100vw;height:100vh;height:100dvh}
body.fs-on{overflow:hidden}
#jumpToast{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(20,20,20,.9);color:#fff;padding:13px 24px;border-radius:40px;font-size:.92rem;font-weight:600;display:none;z-index:8888;max-width:86vw;text-align:center}
#jumpToast.show{display:block}