/* ============================================================
   ROM 归档 · 前台
   ============================================================ */
.rom-page{max-width:1160px;margin:0 auto;padding:26px 20px 50px}
.rom-crumb{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--md-on-surface-variant)}
.rom-crumb a{color:inherit;text-decoration:none}
.rom-crumb .sep{color:var(--md-outline)}
.rom-crumb .gs{font-size:15px}
.rom-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.rom-head h1{font-family:var(--font-brand);font-size:38px;font-weight:700;letter-spacing:-1.4px;line-height:1.05;margin:10px 0 0}
.rom-head h1 span{color:var(--md-primary)}
.rom-sub{font-size:12px;color:var(--md-on-surface-variant);margin-top:8px;line-height:1.7}
.rom-head-actions{display:flex;gap:8px;flex-wrap:wrap}
.rom-head-actions form{margin:0}
.rom-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:999px;padding:10px 17px;font:inherit;font-size:12.5px;font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background var(--motion-fast),box-shadow var(--motion-fast)}
.rom-btn .gs{font-size:17px}
.rom-btn.ghost{background:var(--md-surface-container-low);border-color:color-mix(in srgb,var(--md-outline-variant) 60%,transparent);color:var(--md-on-surface)}
.rom-btn.ghost:hover{background:var(--md-surface-container)}
.rom-btn.fill{background:var(--md-primary);color:var(--md-on-primary);box-shadow:0 10px 22px -16px color-mix(in srgb,var(--md-primary) 80%,transparent)}
.rom-btn.sm{padding:7px 12px;font-size:11.5px}
.rom-btn.sm .gs{font-size:15px}
/* 搜索 */
.rom-searchbar{position:relative;display:flex;align-items:center;gap:9px;background:var(--md-surface-container-low);border:1px solid color-mix(in srgb,var(--md-outline-variant) 55%,transparent);border-radius:999px;padding:7px 7px 7px 18px;box-shadow:var(--elev-1)}
.rom-searchbar > .gs{color:var(--md-on-surface-variant);font-size:21px}
.rom-searchbar input{flex:1;width:0;min-width:0;border:0;outline:0;background:none;color:var(--md-on-surface);font:inherit;font-size:14px}
.rom-searchbar .rom-btn{padding:11px 22px}
.rom-searchbar:focus-within{border-color:var(--md-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--md-primary) 15%,transparent)}
.rom-suggest{position:absolute;left:0;right:0;top:calc(100% + 8px);background:var(--md-surface-container-low);border:1px solid color-mix(in srgb,var(--md-outline-variant) 55%,transparent);border-radius:18px;box-shadow:var(--elev-3);overflow:hidden;display:none;z-index:30}
.rom-suggest.is-open{display:block}
.rom-suggest-item{display:flex;align-items:center;gap:10px;padding:11px 16px;text-decoration:none;color:inherit;border-bottom:1px solid color-mix(in srgb,var(--md-outline-variant) 40%,transparent)}
.rom-suggest-item:last-child{border-bottom:0}
.rom-suggest-item:hover{background:var(--md-surface-container)}
.rom-suggest-name{font-size:12.5px;font-weight:600}
.rom-suggest-meta{font-size:11px;color:var(--md-on-surface-variant)}
.rom-suggest-brand{margin-left:auto;font-size:10.5px;color:var(--md-primary);font-weight:600}
/* chips */
.rom-chips,.rom-filter{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.rom-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:999px;background:var(--md-surface-container-low);border:1px solid color-mix(in srgb,var(--md-outline-variant) 55%,transparent);font:inherit;font-size:11.5px;color:var(--md-on-surface-variant);text-decoration:none;cursor:pointer}
.rom-chip i{width:6px;height:6px;border-radius:50%}
.rom-chip.on,.rom-chip.is-active{background:var(--md-on-surface);border-color:var(--md-on-surface);color:var(--md-surface);font-weight:600}
.rom-filter-sub{margin-top:8px}
/* band */
.rom-band{display:grid;grid-template-columns:1.15fr .95fr 1.15fr;gap:12px;margin-top:18px}
.rom-card{background:var(--md-surface-container-low);border:1px solid color-mix(in srgb,var(--md-outline-variant) 50%,transparent);border-radius:24px;padding:18px}
.rom-card-head{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.rom-card-head .gs{font-size:18px;color:var(--md-primary)}
.rom-card-head b{font-size:12.5px;font-weight:600}
.rom-card-head .sub{margin-left:auto;font-size:10px;color:var(--md-on-surface-variant)}
.rom-total{display:flex;align-items:baseline;gap:8px}
.rom-total b{font-family:var(--font-brand);font-size:34px;font-weight:700;letter-spacing:-1.2px;line-height:1}
.rom-total span{font-size:10.5px;color:var(--md-on-surface-variant)}
.rom-mini-stats{display:flex;gap:16px;margin-top:10px}
.rom-mini-stats div b{display:block;font-size:14px;font-weight:600}
.rom-mini-stats div span{font-size:9.5px;color:var(--md-on-surface-variant)}
.rom-spark{margin-top:4px}
.rom-spark svg{width:100%;height:58px;display:block}
.rom-donut-row{display:flex;align-items:center;gap:16px}
.rom-donut{width:118px;height:118px;border-radius:50%;position:relative;flex:none}
.rom-donut:after{content:"";position:absolute;inset:17px;border-radius:50%;background:var(--md-surface-container-low)}
.rom-donut .c{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1}
.rom-donut .c b{font-size:18px;font-weight:600;letter-spacing:-.4px}
.rom-donut .c span{font-size:8.5px;color:var(--md-on-surface-variant)}
.rom-legend{flex:1;display:grid;gap:5px;min-width:0}
.rom-legend div{display:flex;align-items:center;gap:7px;font-size:10.5px;color:var(--md-on-surface-variant)}
.rom-legend i{width:7px;height:7px;border-radius:2px}
.rom-legend b{margin-left:auto;color:var(--md-on-surface);font-weight:600}
.rom-recent-mini{display:flex;flex-direction:column;gap:8px}
.rm{display:flex;align-items:center;gap:9px;text-decoration:none;color:inherit}
.rm .m{width:27px;height:27px;border-radius:8px;display:grid;place-items:center;color:#fff;font-size:10px;font-weight:600;flex:none}
.rm .t{flex:1;min-width:0}
.rm .t b{display:block;font-size:10.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rm .t span{font-size:9px;color:var(--md-on-surface-variant);font-family:var(--font-mono)}
.rm time{font-size:9px;color:var(--md-on-surface-variant)}
/* main */
.rom-main{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:12px;margin-top:16px;align-items:start}
.rom-col{display:flex;flex-direction:column;gap:12px;min-width:0}
.rom-tabs{display:flex;gap:3px;background:var(--md-surface-container);border-radius:999px;padding:3px;margin-left:auto}
.rom-tabs button{border:0;background:none;font:inherit;font-size:10.5px;color:var(--md-on-surface-variant);padding:6px 12px;border-radius:999px;cursor:pointer}
.rom-tabs button.on{background:var(--md-surface-container-low);color:var(--md-primary);font-weight:600;box-shadow:0 4px 10px -9px rgba(0,0,0,.5)}
.rom-fw-list{display:flex;flex-direction:column}
.rom-fw{display:flex;align-items:center;gap:12px;padding:11px 2px;border-bottom:1px solid color-mix(in srgb,var(--md-outline-variant) 40%,transparent);text-decoration:none;color:inherit}
.rom-fw:last-child{border-bottom:0}
.rom-fw:hover{background:color-mix(in srgb,var(--md-primary) 4%,transparent)}
.rom-fw .m{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;font-size:10px;font-weight:600;flex:none}
.rom-fw .nm{width:168px;flex:none;font-size:12px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rom-fw .ver{flex:1;font-family:var(--font-mono);font-size:10.5px;color:var(--md-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rom-tag{font-size:9px;padding:3px 8px;border-radius:999px;background:var(--md-surface-container);color:var(--md-on-surface-variant);white-space:nowrap}
.rom-tag.ota{background:#fff4e0;color:#b45309}
.rom-tag.rec{background:color-mix(in srgb,var(--md-primary) 12%,transparent);color:var(--md-primary)}
.rom-tag.line{background:color-mix(in srgb,#14b8a6 14%,transparent);color:#0d9488}
.rom-tag.bigver{background:color-mix(in srgb,var(--md-secondary) 14%,transparent);color:var(--md-secondary)}
.rom-tag.region{background:color-mix(in srgb,var(--md-tertiary) 12%,transparent);color:var(--md-tertiary)}
.rom-tag.type{background:transparent;border:1px solid color-mix(in srgb,var(--md-outline-variant) 60%,transparent)}
.rom-fw time{width:44px;font-size:9.5px;color:var(--md-on-surface-variant);text-align:right;flex:none}
.rom-fw .go{color:var(--md-outline);display:inline-flex}
.rom-fw .go .gs{font-size:16px}
.rom-empty{padding:36px 20px;text-align:center;color:var(--md-on-surface-variant);font-size:12px}
.rom-sechead{display:flex;align-items:center;gap:8px;margin:18px 4px 10px}
.rom-sechead .gs{color:var(--md-primary);font-size:18px}
.rom-sechead b{font-size:13px;font-weight:600}
.rom-sechead a{margin-left:auto;font-size:11px;color:var(--md-primary);text-decoration:none;font-weight:500}
.rom-brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.rom-bc{display:flex;align-items:center;gap:11px;padding:14px;border-radius:20px;background:var(--md-surface-container-low);border:1px solid color-mix(in srgb,var(--md-outline-variant) 50%,transparent);text-decoration:none;color:inherit}
.rom-bc:hover{background:var(--md-surface-container)}
.rom-bc .lg{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:11px;font-weight:600;background:var(--c);flex:none}
.rom-bc .info{min-width:0;flex:1}
.rom-bc .info b{display:block;font-size:12px;font-weight:600}
.rom-bc .info span{display:block;font-size:9.5px;color:var(--md-on-surface-variant);margin-top:2px}
.rom-bc > .gs{color:var(--md-outline);font-size:17px}
/* right cards */
.rom-regions{display:flex;flex-wrap:wrap;gap:6px}
.rc{font-size:9.5px;padding:4px 9px;border-radius:999px;background:var(--md-surface-container);color:var(--md-on-surface-variant)}
.rc b{color:var(--md-primary);font-weight:600}
.rom-hot{display:flex;flex-direction:column;gap:9px}
.hr{display:flex;align-items:center;gap:8px}
.hr .rk{width:18px;height:18px;border-radius:6px;background:var(--md-surface-container);display:grid;place-items:center;font-size:8.5px;color:var(--md-on-surface-variant);flex:none}
.hr .nm{font-size:10.5px;width:112px;flex:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hb{flex:1;height:6px;border-radius:999px;background:var(--md-surface-container);overflow:hidden}
.hb i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#8b5cf6,#6442d6)}
.hr .v{width:34px;font-size:9.5px;color:var(--md-on-surface-variant);text-align:right;flex:none}
.rom-stack{display:flex;height:10px;border-radius:999px;overflow:hidden;background:var(--md-surface-container);margin:2px 0 10px}
.rom-inline{display:flex;gap:10px;flex-wrap:wrap;font-size:9.5px;color:var(--md-on-surface-variant)}
.rom-inline span{display:inline-flex;align-items:center;gap:4px}
.rom-inline i{width:6px;height:6px;border-radius:2px;display:inline-block}
/* brand view */
.rom-brand-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:20px 0 14px}
.rom-brand-head h2{font-family:var(--font-brand);font-size:22px;font-weight:700;letter-spacing:-.5px}
.rom-brand-head p{font-size:11px;color:var(--md-on-surface-variant);margin-top:5px}
.rom-model-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.rom-model-card{display:flex;align-items:center;gap:11px;padding:14px;border-radius:20px;background:var(--md-surface-container-low);border:1px solid color-mix(in srgb,var(--md-outline-variant) 50%,transparent);text-decoration:none;color:inherit}
.rom-model-card:hover{background:var(--md-surface-container)}
.rom-model-card .mi{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--md-primary-container);color:var(--md-on-primary-container);font-size:11px;font-weight:600;flex:none}
.rom-model-card .mb{min-width:0;flex:1}
.rom-model-card .mb b{display:block;font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rom-model-card .mb span{display:block;font-size:9.5px;color:var(--md-on-surface-variant);margin-top:2px}
.rom-model-card .mb em{display:block;font-style:normal;font-size:10px;color:var(--md-primary);margin-top:4px;font-family:var(--font-mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rom-model-card > .gs{color:var(--md-outline);font-size:17px}
.rom-pager{display:flex;align-items:center;justify-content:center;gap:12px;margin:20px 0;font-size:11px;color:var(--md-on-surface-variant)}
/* model view */
.rom-device-stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.rom-stat-chip{padding:7px 13px;border-radius:999px;background:var(--md-surface-container-low);border:1px solid color-mix(in srgb,var(--md-outline-variant) 50%,transparent);font-size:11px;color:var(--md-on-surface-variant)}
.rom-stat-chip b{color:var(--md-on-surface);font-weight:600}
.rom-vers{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.rom-ver{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;border-radius:18px;background:var(--md-surface-container-low);border:1px solid color-mix(in srgb,var(--md-outline-variant) 50%,transparent)}
.rom-ver-main{min-width:0;flex:1}
.rom-ver-top{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.rom-ver-name{font-family:var(--font-mono);font-size:13px;font-weight:600}
.rom-ver-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:7px;font-size:10.5px;color:var(--md-on-surface-variant)}
.rom-md5{font-family:var(--font-mono);opacity:.85}
.rom-ver-actions{display:flex;gap:6px;flex-wrap:wrap;flex:none}
.rom-ver-actions .rom-btn{padding:7px 11px;font-size:11px}
/* dark tweaks */
[data-dark="true"] .rom-tag.ota{background:#3a2b12;color:#fcd34d}
[data-dark="true"] .rom-bc .lg{color:#fff}
[data-dark="true"] .rom-searchbar,[data-dark="true"] .rom-card,[data-dark="true"] .rom-bc,[data-dark="true"] .rom-model-card,[data-dark="true"] .rom-ver{background:var(--md-surface-container-low)}
[data-dark="true"] .rom-chip.on,[data-dark="true"] .rom-chip.is-active{background:var(--md-primary);border-color:var(--md-primary);color:var(--md-on-primary)}
@media(max-width:1100px){.rom-band{grid-template-columns:1fr 1fr}.rom-band>.rom-card:last-child{grid-column:span 2}.rom-main{grid-template-columns:1fr}}
@media(max-width:1000px){.rom-brand-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.rom-band{grid-template-columns:1fr}.rom-band>.rom-card:last-child{grid-column:auto}}
@media(max-width:640px){.rom-page{padding:18px 14px 40px}.rom-head h1{font-size:30px}.rom-brand-grid{grid-template-columns:1fr}.rom-fw .nm{width:110px}.rom-fw .ver{display:none}.rom-ver{flex-direction:column;align-items:stretch}.rom-ver-actions{justify-content:flex-start}.rom-tabs{margin-left:0}.rom-card-head{flex-wrap:wrap}.rom-head-actions{width:100%}}

@media(min-width:701px) and (max-width:1100px){
  .rom-band>.rom-card:last-child .rom-recent-mini{display:grid;grid-template-columns:1fr 1fr;gap:8px 22px}
}