:root{
  --brand:#C8102E; --brand-dark:#9E0C24; --brand-light:#FDECEE;
  --bg:#F6F6F7; --card:#FFFFFF; --line:#ECECEE;
  --text:#1F1F1F; --sub:#8A8A8E; --ok:#1D9E75;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.5;max-width:480px;margin:0 auto;min-height:100vh}
img{display:block;width:100%}
a{color:inherit;text-decoration:none}

.topbar{position:sticky;top:0;z-index:20;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:12px 16px;min-height:50px}
.topbar .back{font-size:20px;line-height:1;color:var(--text);padding:2px 6px 2px 0;border:none;background:none}
.topbar h1{font-size:17px;font-weight:500;flex:1}
.topbar .link{font-size:13px;color:var(--brand);border:none;background:none;padding:4px 0}
.topbar .link.gray{color:var(--sub)}

.chips{display:flex;gap:8px;overflow-x:auto;padding:12px 16px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:6px 14px;border-radius:999px;font-size:13px;background:var(--card);border:1px solid var(--line);color:var(--sub);cursor:pointer}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:4px 16px 90px}
.tpl-card{background:var(--card);border-radius:12px;overflow:hidden;border:1px solid var(--line);cursor:pointer}
.tpl-card .cover{aspect-ratio:16/10;background:#EFEFF1;position:relative}
.tpl-card .cover img{width:100%;height:100%;object-fit:cover}
.tpl-card .cover .tag{position:absolute;left:8px;top:8px;background:rgba(0,0,0,.55);color:#fff;font-size:11px;padding:2px 8px;border-radius:999px}
.tpl-card .cover .tag.red{background:var(--brand)}
.tpl-card .info{padding:10px 12px 12px}
.tpl-card .name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tpl-card .meta{font-size:12px;color:var(--sub);margin-top:3px;display:flex;gap:8px;align-items:center}

.panel{background:var(--card);border-radius:12px;border:1px solid var(--line);padding:16px;margin:0 16px 12px}
.panel h2{font-size:14px;font-weight:500;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.panel h2 .num{width:18px;height:18px;border-radius:50%;background:var(--brand);color:#fff;font-size:12px;display:inline-flex;align-items:center;justify-content:center}
.panel .hint{font-size:12px;color:var(--sub);margin-top:8px}

.detail-cover{position:relative;margin:0}
.detail-cover img{aspect-ratio:16/9;object-fit:cover;background:#EFEFF1}
.detail-head{padding:14px 16px 4px}
.detail-head h1{font-size:18px;font-weight:500}
.detail-head .meta{font-size:13px;color:var(--sub);margin-top:4px;display:flex;gap:10px;flex-wrap:wrap}

.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:12px 16px 0}
.metric{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 8px;text-align:center}
.metric .n{font-size:22px;font-weight:500;color:var(--brand)}
.metric .l{font-size:12px;color:var(--sub);margin-top:2px}

.slot-strip{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.slot-strip::-webkit-scrollbar{display:none}
.slot-strip .s{flex:0 0 56px;height:56px;border-radius:8px;background:#EFEFF1;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--sub)}

.slots{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.slot{aspect-ratio:1;border-radius:10px;border:1.5px dashed var(--line);background:#FAFAFB;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--sub);font-size:12px;cursor:pointer;overflow:hidden;position:relative}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slot .plus{font-size:22px;line-height:1;color:#C9C9CE}
.slot.filled{border-style:solid;border-color:transparent}
.slot .del{position:absolute;top:4px;right:4px;width:18px;height:18px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;z-index:2}

.field{margin-bottom:12px}
.field label{font-size:13px;color:var(--sub);display:block;margin-bottom:6px}
.field input{width:100%;height:44px;border:1px solid var(--line);border-radius:10px;background:#FAFAFB;padding:0 14px;font-size:15px;color:var(--text);outline:none}
.field input:focus{border-color:var(--brand);background:#fff}

.fold{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.fold .fold-head{width:100%;background:none;border:none;padding:13px 14px;font-size:14px;color:var(--text);display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.fold .fold-head .arrow{transition:transform .2s;font-size:12px;color:var(--sub)}
.fold.open .fold-head .arrow{transform:rotate(90deg)}
.fold .fold-body{display:none;padding:2px 14px 12px}
.fold.open .fold-body{display:block}
.fold .ph-item{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--sub);padding:7px 0;border-top:1px dashed var(--line)}
.fold .ph-item b{color:var(--text);font-weight:500;flex:1}
.ph-input{width:100%;height:38px;border:1px solid var(--line);border-radius:8px;background:#FAFAFB;padding:0 10px;font-size:13px;color:var(--text);outline:none}
.ph-input:focus{border-color:var(--brand);background:#fff}
.edit-panel{padding:4px 16px 90px}

.row-item{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-top:1px dashed var(--line);font-size:13px}
.row-item:first-child{border-top:none}
.row-item .k{color:var(--sub)}
.row-item .v{color:var(--text);max-width:60%;text-align:right}

.bottombar{position:fixed;left:0;right:0;bottom:0;margin:0 auto;max-width:480px;background:var(--card);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:flex;gap:10px;z-index:30}
.btn{flex:1;height:46px;border:none;border-radius:23px;font-size:15px;font-weight:500;cursor:pointer}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:disabled{opacity:.45}
.btn-ghost{background:var(--card);border:1px solid var(--line);color:var(--text)}
.btn-line{background:var(--brand-light);color:var(--brand)}

.work-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin:0 16px 12px;display:flex;gap:12px}
.work-card .thumb{width:92px;height:60px;border-radius:8px;overflow:hidden;background:#EFEFF1;flex:0 0 auto}
.work-card .thumb img{width:100%;height:100%;object-fit:cover}
.work-card .body{flex:1;min-width:0}
.work-card .name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.work-card .time{font-size:12px;color:var(--sub);margin-top:2px}
.work-card .ops{display:flex;gap:8px;margin-top:8px}
.work-card .ops a,.work-card .ops button{font-size:12px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--text);cursor:pointer}
.work-card .ops .main{background:var(--brand);color:#fff;border-color:var(--brand)}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;margin-left:6px;vertical-align:1px}
.badge.run{background:var(--brand-light);color:var(--brand)}
.badge.done{background:#E1F5EE;color:var(--ok)}
.badge.fail{background:var(--brand-light);color:var(--brand)}

.steps{display:flex;align-items:center;justify-content:center;gap:0;padding:14px 16px 6px}
.step{display:flex;flex-direction:column;align-items:center;gap:4px;width:72px}
.step .dot{width:26px;height:26px;border-radius:50%;border:1px solid var(--line);color:var(--sub);font-size:13px;display:flex;align-items:center;justify-content:center;background:var(--card)}
.step.on .dot{background:var(--brand);border-color:var(--brand);color:#fff}
.step.done .dot{background:var(--brand);border-color:var(--brand);color:#fff}
.step .lab{font-size:11px;color:var(--sub)}
.step.on .lab{color:var(--brand)}
.step-line{width:34px;height:1px;background:var(--line);margin-bottom:18px}

.cover-mini{aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--line);margin-bottom:10px}
.cover-mini img{width:100%;height:100%;object-fit:cover}

.empty{text-align:center;color:var(--sub);font-size:13px;padding:60px 20px}
.empty .big{font-size:40px;margin-bottom:10px;color:#D8D8DC}

.toast{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.78);color:#fff;font-size:14px;padding:10px 20px;border-radius:10px;z-index:99;display:none}
.loading{text-align:center;color:var(--sub);font-size:13px;padding:30px 0}

/* ---- BGM 区 ---- */
.bgm-item{font-size:13px;color:var(--text);padding:6px 0;display:flex;align-items:center;gap:8px}
.bgm-item span{font-size:11px;color:var(--sub);background:#F2F2F5;border-radius:999px;padding:1px 8px}
.bgm-item.muted{color:var(--sub)}
.bgm-cur{font-size:13px;color:var(--sub);margin:8px 0 10px;padding:8px 12px;background:#FAFAFB;border:1px dashed var(--line);border-radius:8px}
.bgm-cur b{color:var(--text);font-weight:500}
.btn-sm{height:38px;line-height:38px;padding:0 18px;border-radius:19px;font-size:13px}
.link-btn{background:none;border:none;color:var(--brand);font-size:12px;cursor:pointer;padding:0}

/* ---- 更多文案分组 ---- */
.grp{border:1px solid var(--line);border-radius:10px;margin-bottom:8px;overflow:hidden}
.grp .grp-head{width:100%;display:flex;align-items:center;gap:8px;background:none;border:none;padding:11px 14px;font-size:14px;color:var(--text);cursor:pointer}
.grp .grp-head .grp-name{font-weight:500}
.grp .grp-head .grp-num{font-size:11px;color:var(--sub);background:#F2F2F5;border-radius:999px;padding:1px 8px}
.grp .grp-head .arrow{margin-left:auto;font-size:12px;color:var(--sub);transition:transform .2s}
.grp.open .grp-head .arrow{transform:rotate(90deg)}
.grp .grp-body{display:none;padding:2px 14px 10px}
.grp.open .grp-body{display:block}
.grp .ph-item{font-size:12px;color:var(--sub);padding:7px 0;border-top:1px dashed var(--line)}
.grp .ph-orig{color:#C9C9CE;margin-bottom:6px}

/* ---- 智能文案面板 ---- */
.tag-optional{font-size:10px;color:var(--brand);background:var(--brand-light);border-radius:999px;padding:2px 8px;font-weight:400;margin-left:6px;vertical-align:2px}
.smart-panel textarea{width:100%;min-height:110px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.6;color:var(--text);background:#FAFAFB;font-family:inherit;resize:vertical;box-sizing:border-box}
.smart-panel textarea:focus{outline:none;border-color:var(--brand);background:#fff}
.st-count{text-align:right;font-size:11px;color:var(--sub);margin:4px 0 6px}
.st-tools{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.st-tools select{flex:1;min-width:140px;height:38px;border:1px solid var(--line);border-radius:19px;padding:0 14px;font-size:13px;color:var(--text);background:#fff;font-family:inherit}
.st-tools select:focus{outline:none;border-color:var(--brand)}
.btn-primary{background:var(--brand);color:#fff;border:none;cursor:pointer}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}

/* ---- 高级设置（LOGO / 自动停止 / 起始时间封面） ---- */
.adv-switch{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px;color:var(--text)}
.adv-switch input{display:none}
.adv-slider{position:relative;width:44px;height:26px;border-radius:999px;background:#E4E4E8;transition:background .2s;flex:0 0 auto}
.adv-slider::after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:transform .2s}
.adv-switch input:checked + .adv-slider{background:var(--brand)}
.adv-switch input:checked + .adv-slider::after{transform:translateX(18px)}
.adv-switch em{font-style:normal}
.adv-stepper{display:flex;align-items:center;gap:0}
.adv-stepper button{width:44px;height:44px;border:1px solid var(--line);background:var(--card);font-size:20px;color:var(--text);cursor:pointer}
.adv-stepper button:first-child{border-radius:10px 0 0 10px}
.adv-stepper button:last-child{border-radius:0 10px 10px 0}
.adv-stepper input{flex:1;height:44px;border:1px solid var(--line);border-left:none;border-right:none;text-align:center;font-size:15px;color:var(--text);outline:none;background:#FAFAFB;min-width:0}
.adv-stepper input:focus{background:#fff}
.adv-logo-cur{display:flex;align-items:center;gap:10px;padding:8px 12px;margin-bottom:10px;background:#FAFAFB;border:1px dashed var(--line);border-radius:8px;font-size:13px;color:var(--text)}
.adv-logo-cur img{width:44px;height:44px;object-fit:contain;background:#fff;border-radius:6px;flex:0 0 auto}
.adv-logo-cur span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--sub)}
.adv-empty{font-size:12px;color:var(--sub);background:#FAFAFB;border:1px dashed var(--line);border-radius:8px;padding:10px 12px;margin-bottom:10px}
.panel .st-tools select{flex:1;min-width:0;height:38px;border:1px solid var(--line);border-radius:8px;padding:0 10px;font-size:13px;color:var(--text);background:#fff;font-family:inherit}
.panel .st-tools select:focus{outline:none;border-color:var(--brand)}