.upgrade{background:var(--cream);color:var(--ink);padding:clamp(82px,10vw,130px) 24px;border-top:1px solid rgba(35,31,28,.08)}
.stack-sec,.memory-sec{background:#e6ddd4}.language-sec{background:#f7f2eb}.emotion-sec{background:#f4eee7}.clone-sec{background:linear-gradient(180deg,#efe7de,#ddd2c7)}.validation-sec{background:#fcfaf7}
.up-inner{max-width:1120px;margin:0 auto}.up-lead{max-width:720px;margin:18px auto 46px;text-align:center;color:var(--ink2);font-size:15px;line-height:1.9}
.upgrade .sh{font-size:clamp(38px,7vw,70px);line-height:1.02}
.up-inner .sh{text-align:center}.up-inner code{font-size:12px;background:rgba(196,168,130,.18);padding:3px 7px;border-radius:7px}
.up-grid,.stack-list,.pipe,.language-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.up-card,.stack-list article,.pipe article,.language-grid article,.clone-card{border:1px solid rgba(35,31,28,.09);background:rgba(253,252,250,.58);border-radius:16px;padding:24px;box-shadow:0 16px 60px rgba(42,36,32,.04)}
.up-card span{display:block;color:var(--gold3);font-size:11px;letter-spacing:.2em;margin-bottom:12px}.up-card h3,.stack-list h3{font-family:'DM Serif Display',serif;font-size:25px;font-weight:400;color:var(--ink);margin-bottom:9px}
.up-card p,.stack-list p,.pipe p,.language-grid p,.clone-result p{font-size:13px;line-height:1.8;color:var(--ink2)}.up-card b,.stack-list small{display:inline-block;margin-top:14px;color:var(--gold3);font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.language-flow{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:0 auto 26px;max-width:980px}.language-flow span{border:1px solid rgba(35,31,28,.12);background:rgba(255,255,255,.52);border-radius:999px;padding:10px 14px;font-size:12px;color:var(--ink2);white-space:nowrap}.language-flow i{width:18px;height:1px;background:rgba(35,31,28,.22);display:block}.language-grid b{display:block;font-family:'DM Serif Display',serif;font-size:25px;font-weight:400;color:var(--ink);margin-bottom:10px}
.emotion-box{display:grid;grid-template-columns:minmax(260px,.85fr) minmax(300px,1.15fr);gap:20px;align-items:stretch}
.emo-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.emo-tab{min-height:44px;border:1px solid rgba(35,31,28,.12);border-radius:999px;background:rgba(253,252,250,.7);color:var(--ink2);cursor:pointer}
.emo-tab.active,.emo-tab:hover{background:var(--dark);color:var(--gold);border-color:var(--gold)}
.emo-preview{border-radius:20px;background:var(--dark);color:var(--cream);padding:30px;min-height:330px}.emo-wave{height:105px;display:flex;align-items:end;gap:9px;margin-bottom:24px}
.emo-wave i{flex:1;border-radius:9px 9px 2px 2px;background:linear-gradient(180deg,var(--gold),var(--sage));animation:ew 1.7s ease-in-out infinite}
.emo-wave i:nth-child(1){height:34px}.emo-wave i:nth-child(2){height:76px;animation-delay:.1s}.emo-wave i:nth-child(3){height:48px;animation-delay:.2s}.emo-wave i:nth-child(4){height:92px;animation-delay:.3s}.emo-wave i:nth-child(5){height:56px;animation-delay:.4s}.emo-wave i:nth-child(6){height:70px;animation-delay:.5s}.emo-wave i:nth-child(7){height:42px;animation-delay:.6s}
@keyframes ew{50%{transform:scaleY(.55);opacity:.65}}.emo-preview h3{font-family:'DM Serif Display',serif;font-size:34px;font-weight:400;margin-bottom:10px}.emo-preview p{font-size:20px;line-height:1.75;color:var(--gold2);margin-bottom:20px}
.emo-preview ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none}.emo-preview li{border:1px solid rgba(196,168,130,.28);border-radius:999px;padding:6px 10px;font-size:11px;color:var(--gold)}
.pipe{grid-template-columns:repeat(6,minmax(0,1fr))}.pipe b{font-family:'DM Serif Display',serif;font-size:22px;color:var(--ink)}
.clone-grid{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(300px,1fr);gap:28px;align-items:center}.clone-grid .sh,.clone-grid .up-lead{text-align:left;margin-left:0}
.clone-card{display:grid;gap:16px}.upload-zone{display:grid;place-items:center;gap:8px;min-height:170px;border:1px dashed rgba(35,31,28,.25);border-radius:16px;background:rgba(255,255,255,.35);cursor:pointer;text-align:center}.upload-zone input{display:none}.upload-zone span{font-family:'DM Serif Display',serif;font-size:25px}.upload-zone small{color:var(--ink3)}
#buildVoice{border:none;border-radius:999px;background:var(--gold3);color:#fff;padding:13px 18px;font-weight:600;cursor:pointer}.clone-result{border-radius:14px;background:rgba(35,31,28,.06);padding:16px}.clone-result b{color:var(--ink)}
.voice-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:12px 0;list-style:none}.voice-metrics li{border:1px solid rgba(35,31,28,.08);border-radius:10px;padding:8px 10px;font-size:12px;color:var(--ink2);background:rgba(255,255,255,.32)}
.similarity-gate{border-top:1px solid rgba(35,31,28,.1);padding-top:18px;margin-top:6px;display:grid;gap:14px}.similarity-gate h3{font-family:'DM Serif Display',serif;font-size:26px;font-weight:400;color:var(--ink)}.similarity-gate p{font-size:13px;line-height:1.75;color:var(--ink2)}.upload-zone.secondary{min-height:118px;background:rgba(237,231,223,.58)}.upload-zone.secondary span{font-size:21px}#compareVoice{border:1px solid rgba(35,31,28,.16);border-radius:999px;background:transparent;color:var(--ink);padding:12px 18px;font-weight:600;cursor:pointer}.live-tts audio{width:100%;margin:10px 0}
.validation-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:22px}.validation-card{border:1px solid rgba(35,31,28,.1);background:rgba(255,255,255,.58);border-radius:16px;padding:20px;min-height:178px}.validation-card span{display:block;color:var(--gold3);font-size:11px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}.validation-card b{display:block;font-family:'DM Serif Display',serif;font-size:36px;font-weight:400;color:var(--ink);margin-bottom:8px}.validation-card b.pass{color:#3d6957}.validation-card b.fail{color:#8b4e3f}.validation-card p{font-size:13px;line-height:1.7;color:var(--ink2)}
.validation-table{border:1px solid rgba(35,31,28,.1);border-radius:16px;overflow:hidden;background:rgba(255,255,255,.58)}.validation-row{display:grid;grid-template-columns:.75fr 1.5fr .8fr 1.4fr 1.15fr;gap:12px;padding:13px 16px;border-top:1px solid rgba(35,31,28,.07);align-items:center}.validation-row:first-child{border-top:none}.validation-row.head{background:rgba(35,31,28,.06);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold3)}.validation-row span{font-size:12px;line-height:1.45;color:var(--ink2);overflow-wrap:anywhere}.validation-row span:nth-child(3){font-weight:700;color:var(--ink)}
@media(max-width:900px){.up-grid,.stack-list,.emotion-box,.clone-grid,.language-grid{grid-template-columns:1fr}.pipe{grid-template-columns:1fr 1fr}.up-lead{text-align:left}.up-inner .sh{text-align:left}.language-flow{justify-content:flex-start}.language-flow i{width:12px}.validation-grid{grid-template-columns:1fr 1fr}.validation-row{grid-template-columns:1fr;border-top:none;border-radius:14px;margin:10px;background:rgba(255,255,255,.52)}.validation-row.head{display:none}.validation-row span{display:grid;grid-template-columns:86px minmax(0,1fr);gap:10px}.validation-row span::before{content:attr(data-label);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold3)}}
@media(max-width:560px){.pipe,.emo-tabs,.voice-metrics,.validation-grid{grid-template-columns:1fr}.upgrade{padding:72px 18px}.upgrade .sh{font-size:34px}.up-card,.stack-list article,.pipe article,.language-grid article,.clone-card,.validation-card{border-radius:12px;padding:18px}.language-flow{display:grid;grid-template-columns:1fr;gap:8px}.language-flow span{white-space:normal;text-align:center}.language-flow i{width:1px;height:12px;margin:0 auto}.clone-card{gap:14px}.upload-zone{min-height:140px}.upload-zone span{font-size:21px}.emo-preview{border-radius:14px;padding:22px}.emo-preview p{font-size:17px}.validation-card{min-height:auto}.validation-card b{font-size:31px}.validation-row span{grid-template-columns:74px minmax(0,1fr)}}