:root{
  --bg:#0b0d12;
  --bg2:#11141b;
  --card:#151922;
  --card2:#1b2029;
  --line:#252b37;
  --txt:#eef2f8;
  --dim:#8f9aab;
  --jd:#e93b3b;
  --pdd:#f0503c;
  --used:#2fc4a8;
  --accent:#4c8dff;
  --ok:#33d69f;
  --warn:#ffb648;
  --err:#ff6b6b;
  --radius:18px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{
  margin:0;padding:0;background:var(--bg);color:var(--txt);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
body{
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(76,141,255,.16), transparent 60%),
    radial-gradient(800px 500px at -10% 10%, rgba(47,196,168,.10), transparent 55%);
  background-attachment:fixed;
  padding-bottom:118px;
}
.wrap{max-width:760px;margin:0 auto}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}

/* 顶栏 */
.hd{position:sticky;top:0;z-index:30;background:rgba(11,13,18,.88);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);padding:calc(env(safe-area-inset-top) + 10px) 14px 10px}
.hd-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:700;letter-spacing:.4px}
.logo-svg{width:28px;height:28px;flex:0 0 auto;filter:drop-shadow(0 4px 12px rgba(76,141,255,.35))}
.brand-name em{font-style:normal;color:#7db4ff}
.hd-btns{display:flex;gap:8px}
.btn{border-radius:12px;padding:9px 13px;font-size:13.5px;font-weight:600}
.btn.ghost{background:var(--card2);border:1px solid var(--line)}
.btn.ghost:active{background:#232936}
.btn.primary{background:linear-gradient(140deg,#4c8dff,#3b73e0);color:#fff;box-shadow:0 6px 18px rgba(76,141,255,.3)}
.btn.primary:active{filter:brightness(.94)}

/* 价格口径 */
.switch{display:flex;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:5px;margin-top:11px}
.switch button{flex:1;text-align:center;padding:8px 4px;border-radius:10px;font-size:13px;color:var(--dim)}
.switch button.on{background:var(--card2);color:var(--txt);font-weight:700;box-shadow:inset 0 0 0 1px var(--line)}
.switch button.on[data-b="jd"]{color:#ffbdbd}
.switch button.on[data-b="pdd"]{color:#ffc2b8}
.switch button.on[data-b="used"]{color:#a8f0e2}
.switch button.on[data-b="tray"]{color:#cbd8ff}

.chips{display:flex;gap:8px;overflow-x:auto;padding:11px 0 1px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:7px 13px;font-size:13px;white-space:nowrap;color:var(--txt)}
.chip:active{border-color:var(--accent)}

/* 主区 */
main{padding:14px 14px 0}
.stats{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:9px;margin-bottom:12px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:11px 12px}
.stat .k{font-size:11.5px;color:var(--dim)}
.stat .v{font-size:16px;font-weight:700;margin-top:3px}
.stat .v small{font-size:11.5px;font-weight:500;color:var(--dim)}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compat{margin-bottom:12px;padding:13px 14px;font-size:13.5px}
.compat.ok{border-color:rgba(51,214,159,.34)}
.compat.bad{border-color:rgba(255,107,107,.4)}
.compat .row{display:flex;gap:9px;align-items:flex-start;margin:5px 0}
.dot{width:7px;height:7px;border-radius:50%;margin-top:7px;flex:0 0 auto}
.dot.e{background:var(--err)}.dot.w{background:var(--warn)}.dot.o{background:var(--ok)}

/* 配件行 */
.slot{display:flex;gap:12px;padding:13px 14px;border-bottom:1px solid var(--line);align-items:flex-start}
.slot:last-child{border-bottom:0}
.art{width:46px;height:46px;flex:0 0 auto;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#1d2432,#161b24);border:1px solid var(--line)}
.art svg{width:26px;height:26px;stroke:#8fb3ff;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.art.k-mb svg{stroke:#a9d1ff}
.art.k-ram svg{stroke:#9fe0c9}
.art.k-gpu svg{stroke:#ffb48f}
.art.k-ssd svg{stroke:#c8b3ff}
.art.k-psu svg{stroke:#ffd08a}
.art.k-case svg{stroke:#9fd8ff}
.art.k-cooler svg{stroke:#b6e2ff}
.art.k-mon svg{stroke:#ffbfe3}
.mid{flex:1;min-width:0}
.cat{font-size:11.5px;color:var(--dim);display:flex;align-items:center;gap:6px}
.badge{font-size:10.5px;padding:1px 6px;border-radius:6px;background:var(--card2);border:1px solid var(--line);color:var(--dim)}
.nm{font-size:14.5px;font-weight:650;margin-top:2px}
.nm.empty{color:var(--dim);font-weight:400}
.sp{font-size:12px;color:var(--dim);margin-top:3px}
.prices{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}
.p{font-size:11.5px;padding:3px 7px;border-radius:8px;background:var(--card2);border:1px solid var(--line);color:var(--dim)}
.p b{font-weight:700;color:var(--txt)}
.p.jd b{color:#ff9a9a}.p.pdd b{color:#ffab9c}.p.used b{color:#8fe8d6}.p.tray b{color:#b9c9ff}
.p.now{box-shadow:inset 0 0 0 1px rgba(76,141,255,.5)}
.acts{display:flex;flex-direction:column;gap:6px;align-items:flex-end;flex:0 0 auto}
.mini{font-size:11.5px;padding:5px 9px;border-radius:9px;background:var(--card2);border:1px solid var(--line);color:var(--dim)}
.mini:active{border-color:var(--accent);color:var(--txt)}
.mini.cmp{color:var(--accent)}
.price-big{font-size:15px;font-weight:800;text-align:right}
.price-big small{display:block;font-size:10.5px;color:var(--dim);font-weight:500}
.note{color:var(--dim);font-size:12.5px;padding:14px 4px 6px;line-height:1.75}

/* 底部结算 */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:rgba(13,16,22,.94);backdrop-filter:blur(16px);
  border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom))}
.bar-in{max-width:760px;margin:0 auto;display:flex;align-items:center;gap:12px}
.bar-info{flex:1;min-width:0}
.bar-total{font-size:23px;font-weight:800;letter-spacing:.3px}
.bar-sub{font-size:11.5px;color:var(--dim);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 弹层 */
.sheet-wrap{position:fixed;inset:0;z-index:60;display:none;background:rgba(0,0,0,.55)}
.sheet-wrap.on{display:block}
.sheet{position:absolute;left:0;right:0;bottom:0;max-height:88vh;background:var(--bg2);
  border-radius:22px 22px 0 0;border-top:1px solid var(--line);display:flex;flex-direction:column;
  padding-bottom:env(safe-area-inset-bottom);animation:up .22s ease}
@keyframes up{from{transform:translateY(28px);opacity:.6}to{transform:none;opacity:1}}
.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 8px}
.sheet-title{font-size:16px;font-weight:700}
.filters{display:flex;gap:7px;overflow-x:auto;padding:2px 14px 8px;scrollbar-width:none}
.filters::-webkit-scrollbar{display:none}
.filters .chip{padding:6px 11px;font-size:12.5px}
.filters .chip.on{border-color:var(--accent);color:#cfe0ff}
.search{margin:0 14px 9px;background:var(--card);border:1px solid var(--line);border-radius:13px;
  padding:12px 13px;color:var(--txt);font-size:14px;outline:none;width:calc(100% - 28px)}
.search:focus{border-color:var(--accent)}
.sheet-list{overflow-y:auto;padding:0 14px 12px;-webkit-overflow-scrolling:touch}
.opt{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);
  border-radius:14px;background:var(--card);margin-bottom:8px}
.opt.on{border-color:var(--accent);background:rgba(76,141,255,.10)}
.opt .om{flex:1;min-width:0}
.opt .on1{font-size:14px;font-weight:640}
.opt .on2{font-size:11.5px;color:var(--dim);margin-top:3px}
.opt .op{font-size:13.5px;font-weight:750;flex:0 0 auto;text-align:right}
.opt .op small{display:block;font-size:10.5px;color:var(--dim);font-weight:500}
.sheet-foot{display:flex;gap:10px;padding:10px 14px 14px;border-top:1px solid var(--line)}
.sheet-foot .btn{flex:1;text-align:center}
.form label{display:block;font-size:12px;color:var(--dim);margin:11px 2px 5px}
.form input{width:100%;background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:12px;color:var(--txt);font-size:14px;outline:none}
.form input:focus{border-color:var(--accent)}
.go{width:100%;margin-top:16px;background:linear-gradient(140deg,#4c8dff,#3b73e0);color:#fff;font-weight:700;
  border-radius:13px;padding:13px 0;text-align:center;font-size:14.5px}
.tips{font-size:12px;color:var(--dim);margin:6px 2px 0;line-height:1.7}
.toast{position:fixed;left:50%;bottom:112px;transform:translateX(-50%) translateY(12px);
  background:#242b38;border:1px solid var(--line);color:#fff;font-size:13.5px;padding:10px 16px;
  border-radius:12px;opacity:0;pointer-events:none;transition:.2s;z-index:90;max-width:88vw;text-align:center}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- v3：每件配件独立选平台 ---------- */
.hd-btns{gap:6px;flex-wrap:wrap;justify-content:flex-end}
.hd-btns .btn{padding:8px 10px;font-size:12.5px}

.slot{display:flex;flex-wrap:wrap;gap:12px;padding:13px 14px;align-items:flex-start}
.slot .mid{flex:1;min-width:0}
.right{display:flex;flex-direction:column;align-items:flex-end;gap:7px;flex:0 0 auto}
.acts-row{display:flex;gap:6px}
.slot .prices{flex:0 0 100%;margin-top:2px}

.pp{font-size:11.5px;padding:4px 9px;border-radius:9px;background:var(--card2);
  border:1px solid var(--line);color:var(--dim);white-space:nowrap}
.pp b{font-weight:700;color:var(--txt)}
.pp.jd b{color:#ff9a9a}
.pp.pdd b{color:#ffab9c}
.pp.used b{color:#8fe8d6}
.pp.tray b{color:#b9c9ff}
.pp.on{border-color:var(--accent);background:rgba(76,141,255,.12);color:var(--txt);
  box-shadow:inset 0 0 0 1px rgba(76,141,255,.35)}
.pp:active{border-color:var(--accent)}

.opt{display:block;padding:12px}
.opt-top{display:flex;gap:10px;align-items:flex-start}
.opt-top .om{flex:1;min-width:0}
.opt-prices{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}
.opt .op{text-align:right;flex:0 0 auto}

.compat{font-size:13.5px}
.note{color:var(--dim);font-size:12.5px;padding:14px 4px 6px;line-height:1.8}

/* ---------- 区间价格 / 最终价 ---------- */
.pr-row{display:grid;grid-template-columns:88px 1fr 1fr;gap:8px;align-items:center;margin-bottom:8px}
.pr-label{font-size:12.5px;color:var(--dim)}
.pr-row input{width:100%;background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:10px;color:var(--txt);font-size:13.5px;outline:none}
.pr-row input:focus{border-color:var(--accent)}
.pr-row input[data-part="final"]{border-color:rgba(51,214,159,.3)}
.mode-row{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:2px 0 8px}
.mode-row .mr-t{font-size:12px;color:var(--dim)}
.mode-row .chip{padding:6px 11px;font-size:12.5px}
.mode-row .chip.on{border-color:var(--accent);color:#cfe0ff}
.bulk-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:11px 12px;margin-bottom:9px}
.bi-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.bi-name{font-size:13.5px;font-weight:640;line-height:1.35}
.bi-fields{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px}
.bi-fields.cpu6{grid-template-columns:1fr 1fr 1fr}
.bf{display:block}
.bf span{display:block;font-size:11px;color:var(--dim);margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bf .fin{color:#8fe8d6;font-style:normal}
.bf input{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:9px;
  padding:9px 8px;color:var(--txt);font-size:13px;outline:none}
.bf input:focus{border-color:var(--accent)}
.bulk-item.one .bi-fields{grid-template-columns:1fr}
.bulk-item.one .bf input{font-size:15px;padding:11px 10px}
input.big{width:100%;background:var(--card);border:1px solid var(--accent);border-radius:14px;
  padding:16px 14px;color:var(--txt);font-size:22px;font-weight:700;letter-spacing:.5px;
  text-align:center;outline:none;margin:12px 0 4px}
input.big::placeholder{font-size:14px;font-weight:400;letter-spacing:0}
.filters{flex-direction:column;gap:6px;overflow:visible;align-items:stretch}
.frow{display:flex;gap:6px;align-items:center;overflow-x:auto;scrollbar-width:none}
.frow::-webkit-scrollbar{display:none}
.flabel{font-size:11.5px;color:var(--dim);flex:0 0 auto;width:26px}
.sel,.ta{width:100%;background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:11px 12px;color:var(--txt);font-size:14px;outline:none;font-family:inherit}
.ta{min-height:150px;line-height:1.5;resize:vertical}

/* ---------- AI 点评 ---------- */
.btn.ai{background:linear-gradient(140deg,#7b5cff,#4c8dff);color:#fff;box-shadow:0 6px 18px rgba(123,92,255,.3)}
.rv{font-size:13.5px}
.rv-score{display:flex;align-items:center;gap:14px;padding:14px;border-radius:16px;
  border:1px solid var(--line);background:var(--card);margin-bottom:11px}
.rv-score.good{border-color:rgba(51,214,159,.45);box-shadow:inset 0 0 0 1px rgba(51,214,159,.12)}
.rv-score.ok{border-color:rgba(76,141,255,.45)}
.rv-score.warn{border-color:rgba(255,182,72,.45)}
.rv-num{font-size:34px;font-weight:800;letter-spacing:-1px;flex:0 0 auto}
.rv-num small{font-size:12px;color:var(--dim);font-weight:500}
.rv-head{font-size:12.5px;line-height:1.55;color:var(--txt)}
.rv-block{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:10px}
.rv-t{font-size:13.5px;font-weight:700;margin-bottom:7px}
.rv-t.bad{color:#ff8d8d}
.rv-t.warn{color:#ffc774}
.rv-t.good{color:#7ce6bd}
.rv-li{display:flex;gap:8px;align-items:flex-start;margin:6px 0;line-height:1.65}
.rv-dot{width:6px;height:6px;border-radius:50%;margin-top:7px;flex:0 0 auto;background:var(--dim)}
.rv-li.bad .rv-dot{background:var(--err)}
.rv-li.warn .rv-dot{background:var(--warn)}
.rv-li.good .rv-dot{background:var(--ok)}
.rv-li.info .rv-dot{background:var(--accent)}
.rv-game{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line)}
.rv-game:last-child{border-bottom:0}
.rv-gn{font-size:13px}
.rv-gv{font-size:13px;font-weight:700;color:#9fd8ff;margin-left:auto}
.rv-tag{font-size:10.5px;color:var(--warn);border:1px solid rgba(255,182,72,.35);border-radius:6px;padding:1px 5px}

/* ---------- 主机 / 外设 切换 ---------- */
.tabs{display:flex;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:5px;margin-bottom:12px}
.tabs .tab{flex:1;text-align:center;padding:9px 4px;border-radius:10px;font-size:14px;font-weight:600;color:var(--dim)}
.tabs .tab.on{background:#232a37;color:var(--txt);box-shadow:inset 0 0 0 1px var(--line)}
.art.k-kb svg{stroke:#a8e6ff}
.art.k-mouse svg{stroke:#c9b8ff}
.art.k-headset svg{stroke:#ffc9a8}

/* ---------- 整机示意图 ---------- */
.art-card{margin-top:12px;padding:14px}
.art-wrap{background:linear-gradient(160deg,#141926,#0f131c);border:1px solid var(--line);
  border-radius:14px;padding:6px}
.build-svg{width:100%;height:auto;display:block}
.art-legend{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}
.al{font-size:11.5px;color:var(--txt);background:var(--card2);border:1px solid var(--line);
  border-radius:8px;padding:4px 8px}
.al.empty{color:var(--dim);border-style:dashed}
.al.peri{background:rgba(47,196,168,.08);border-color:rgba(47,196,168,.28)}

/* 页脚 */
.site-foot{max-width:760px;margin:22px auto 26px;padding:0 16px;color:#6b7688;font-size:11.5px;
  line-height:1.7;display:flex;flex-direction:column;gap:4px;text-align:center}