.product-plan-dialog{width:min(820px,100% - 32px);max-height:calc(100dvh - 48px);color:var(--ink);background:#fff;border:0;border-radius:24px;padding:0;box-shadow:0 24px 80px #20243c35}.product-plan-dialog[open]{flex-direction:column;display:flex}.product-plan-dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#282c4e66}.plan-dialog-header{border-bottom:1px solid var(--line);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:25px 30px 20px;display:flex}.plan-dialog-header span{color:var(--primary);font-size:12px}.plan-dialog-header h2{margin-top:6px;font-size:24px}.plan-close{width:42px;height:42px;color:var(--muted);background:#f4f5f9;border:0;border-radius:12px;flex-shrink:0;place-items:center;display:grid}.plan-dialog-body{min-height:0;padding:22px 30px 26px;overflow-y:auto}.plan-lead{color:var(--muted);font-size:14px;line-height:1.8}.plan-scenarios{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0 26px;display:grid}.plan-scenarios article{background:#f6f6fc;border-radius:14px;padding:18px 15px}.plan-scenarios svg{color:var(--primary);margin-bottom:12px}.plan-scenarios h3{margin-bottom:8px;font-size:15px}.plan-scenarios p{color:var(--muted);font-size:12px;line-height:1.8}.plan-section{margin-top:25px}.plan-section>h3{margin-bottom:13px;font-size:16px}.plan-section>p{color:var(--muted);margin-top:12px;font-size:13px;line-height:1.8}.plan-system{border:1px solid var(--line);border-radius:14px;align-items:center;gap:12px;padding:18px;display:flex}.plan-system>div{text-align:center;flex:1;justify-items:center;gap:8px;display:grid}.plan-system svg{color:var(--primary)}.plan-system strong{font-size:13px;font-weight:600}.plan-system small{color:var(--muted);font-size:11px}.plan-system>svg{color:#9397ac;flex-shrink:0}.plan-mode-details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:23px;padding:15px 0}.plan-mode-details summary{color:var(--primary);justify-content:space-between;align-items:center;font-size:14px;display:flex}.plan-modes{gap:12px;margin:16px 0 0;display:grid}.plan-modes div{grid-template-columns:100px 1fr;gap:12px;font-size:13px;line-height:1.7;display:grid}.plan-modes dt{font-weight:600}.plan-modes dd{color:var(--muted);margin:0}.plan-steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.plan-steps li>span{color:var(--primary);margin-bottom:10px;font-size:12px;display:block}.plan-steps strong{font-size:13px;font-weight:600}.plan-steps p{color:var(--muted);margin-top:5px;font-size:12px;line-height:1.7}.plan-dialog-footer{border-top:1px solid var(--line);flex-shrink:0;align-items:center;gap:12px;padding:18px 30px;display:flex}.plan-download,.plan-return{border:0;border-radius:10px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 17px;font-size:13px;display:flex}.plan-download{color:#fff;background:var(--primary)}.plan-return{color:var(--primary);background:var(--primary-soft)}@media (width<=600px){.product-plan-dialog{border-radius:20px;width:calc(100% - 24px);max-height:calc(100dvh - 28px)}.plan-dialog-header{padding:20px}.plan-dialog-header h2{font-size:20px}.plan-dialog-body{padding:18px 20px 23px}.plan-scenarios{grid-template-columns:1fr;gap:8px}.plan-scenarios article{grid-template-columns:26px 1fr;gap:4px 9px;padding:14px;display:grid}.plan-scenarios svg{grid-row:span 2;width:21px;margin-bottom:0}.plan-scenarios h3{margin-bottom:0;font-size:14px}.plan-scenarios p{grid-column:2}.plan-system{gap:5px;padding:14px 8px}.plan-system>svg{width:13px}.plan-system strong{font-size:11px}.plan-system small{font-size:10px}.plan-modes div{grid-template-columns:1fr;gap:3px}.plan-steps{grid-template-columns:1fr 1fr;gap:18px}.plan-dialog-footer{gap:8px;padding:14px 20px}.plan-download,.plan-return{padding:10px 13px;font-size:12px}}:root{color:#243045;font-synthesis:none;text-rendering:optimizelegibility;--ink:#243045;--muted:#657084;--canvas:#f0f2f7;--surface:#fff;--primary:#6257ee;--primary-soft:#f0efff;--line:#e9eaf1;--navigation:#b56235;--music:#187b60;--movie:#6864ce;background:#f0f2f7;font-family:Microsoft YaHei,PingFang SC,sans-serif}*{box-sizing:border-box}body{min-width:0;margin:0}button,a,input,summary{font:inherit;-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button,a,summary{touch-action:manipulation}button{transition:background .2s,color .2s,box-shadow .2s,border-color .2s,transform .2s}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #8184ed}a{color:inherit;text-decoration:none}button svg,a svg{flex-shrink:0}h1,h2,h3,p{margin:0}summary{list-style:none}summary::-webkit-details-marker{display:none}.sound-experience{background:radial-gradient(ellipse 640px 300px at 16% 0%, #e8e6fb99, transparent), var(--canvas);min-height:100vh}.minimal-header,.experience-page{width:min(1320px,100% - 64px);margin:auto}.minimal-header{justify-content:space-between;align-items:center;gap:18px;height:82px;display:flex}.minimal-brand{align-items:center;gap:11px;font-size:20px;font-weight:700;display:flex}.brand-symbol{width:42px;height:42px;color:var(--primary);background:#eae9fa;border-radius:14px;place-items:center;display:grid}.headphone-hint{color:var(--muted);align-items:center;gap:8px;font-size:13px;display:flex}.headphone-hint svg{color:var(--primary)}.experience-page{padding:32px 0 38px}.experience-intro{justify-content:space-between;align-items:center;gap:25px;margin-bottom:30px;display:flex}.experience-intro h1{letter-spacing:-.035em;font-size:clamp(34px,3.4vw,48px);font-weight:700;line-height:1.3}.experience-intro h1 span{color:var(--primary);white-space:nowrap}.experience-intro>p{color:var(--muted);font-size:14px;line-height:1.8}.experience-panel{background:#fff;border:1px solid #ffffffc9;border-radius:30px;box-shadow:12px 18px 42px #4e518512,-8px -8px 24px #ffffffb3}.experience-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:23px 30px;display:flex}.experience-toolbar>p{color:var(--muted);font-size:13px}.mode-buttons{background:#eeedf8;border:1px solid #e5e3f5;border-radius:22px;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;width:510px;max-width:100%;padding:7px;display:grid;box-shadow:inset 3px 3px 8px #77749a0e,inset -3px -3px 8px #ffffffd9}.mode-buttons button{color:#525c73;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:16px;min-width:0;min-height:54px;padding:10px 12px;font-size:15px;font-weight:600}.mode-buttons button:hover{color:var(--primary);background:#ffffffa6}.mode-buttons button[aria-pressed=true]{background:var(--primary);color:#fff;border-color:#ffffff26;font-weight:700;box-shadow:0 7px 18px #6257ee38,inset 0 1px #ffffff30}.mode-buttons button[aria-pressed=true]:hover{background:#5548dd}.mode-buttons button:active{transform:scale(.97)}.experience-layout{grid-template-columns:minmax(0,1fr) 314px;align-items:center;padding:28px 0;display:grid}.vehicle-column{min-width:0;padding:10px 30px}.cabin-stage{aspect-ratio:1.96;isolation:isolate;clip-path:inset(9% 0);width:100%;max-width:870px;margin:-25px auto;position:relative}.cabin-photo{width:51.02%;height:auto;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(90deg)}.tone-navigation{--accent:var(--navigation);--tint:#f9efe8}.tone-music{--accent:var(--music);--tint:#eaf5ef}.tone-movie{--accent:var(--movie);--tint:#f0effa}.seat-position--driver{top:23%;left:42.5%}.seat-position--passenger{top:53%;left:42.5%}.seat-position--rearLeft{top:23%;left:23.5%}.seat-position--rearRight{top:53%;left:23.5%}.sound-fields{pointer-events:none;z-index:1;position:absolute;inset:0}.sound-field{background:color-mix(in srgb, var(--accent,#9794c1) 22%, transparent);border:1px solid color-mix(in srgb, var(--accent,#9794c1) 40%, transparent);box-shadow:0 0 22px color-mix(in srgb, var(--accent,#9794c1) 25%, transparent);border-radius:20px;display:none;position:absolute}.field-shared{width:41%;height:59%;top:20%;left:21.5%}.field-front,.field-rear{width:19%;height:58%;top:21%}.field-front{--accent:var(--music);left:42%}.field-rear{--accent:var(--movie);left:22.5%}.field-seat{width:17.5%;height:24%}.mode-shared .field-shared,.mode-rows .field-front,.mode-rows .field-rear,.mode-four .field-seat{display:block}.is-playing .sound-field{animation:2.8s ease-in-out infinite zone-breathe}.seat-control{z-index:2;width:17.5%;height:24%;color:var(--ink);background:0 0;border:2px solid #0000;border-radius:18px;flex-direction:column;justify-content:end;align-items:center;gap:4px;padding:8px 3px;display:flex;position:absolute}.seat-control:hover{background:color-mix(in srgb, var(--accent) 17%, transparent)}.seat-control.is-selected{box-shadow:0 0 0 2px var(--accent), 0 0 0 5px #ffffff50;background:color-mix(in srgb, var(--accent) 12%, transparent);border-color:#fff}.seat-name{color:#344054;white-space:nowrap;background:#fffffff2;border-radius:7px;padding:5px 7px;font-size:12px;font-weight:600}.seat-program{color:var(--accent);white-space:nowrap;background:#ffffffe0;border-radius:5px;align-items:center;gap:4px;padding:2px 4px;font-size:11px;display:flex}.seat-options{display:none}.control-column{min-width:0;padding:15px 30px 15px 24px}.listening-summary h2{font-size:26px;font-weight:600}.source-summary{gap:7px;margin-top:18px;display:flex}.source-chip{color:#727b8e;background:#f5f6f8;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:5px;padding:7px 8px;font-size:12px;display:inline-flex}.source-chip.is-prominent{color:var(--accent);background:var(--tint);border-color:color-mix(in srgb, var(--accent) 12%, transparent)}.listening-note{color:var(--muted);margin-top:13px;font-size:12px;line-height:1.8}.transport{align-items:center;gap:9px;margin-top:24px;display:flex}.transport button{border:0;border-radius:16px;justify-content:center;align-items:center;gap:8px;min-height:50px;display:flex}.play-button{background:var(--primary);color:#fff;flex:1;font-size:14px;font-weight:600;box-shadow:0 8px 20px #6257ee28,inset 0 1px #ffffff26}.play-button:hover:not(:disabled){background:#5548dd}.restart-button{color:var(--muted);background:#f2f3f8;flex:0 0 42px}.restart-button:hover{color:var(--primary);background:#ebeaf8}.mobile-play-summary{display:none}.music-import{margin-top:18px}.music-actions{flex-wrap:wrap;gap:8px;display:flex}.music-actions button{min-height:42px;color:var(--primary);background:0 0;border:0;align-items:center;gap:6px;padding:6px 0;font-size:12px;display:inline-flex}.music-actions button:hover{text-decoration:underline}.imported-song{text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:12px;overflow:hidden}.audio-error{color:#a83434;background:#fff0f0;border-radius:10px;margin-top:12px;padding:12px;font-size:13px;line-height:1.6}.product-cta{justify-content:space-between;align-items:center;gap:20px;padding:22px 4px 0;display:flex}.product-cta>p{color:var(--muted);font-size:13px}.product-plan-button{background:var(--primary);color:#fff;white-space:nowrap;border:1px solid #ffffff26;border-radius:20px;justify-content:center;align-items:center;gap:18px;min-width:236px;min-height:62px;padding:16px 26px;font-size:16px;font-weight:700;display:flex;box-shadow:0 12px 28px #6257ee38,inset 0 1px #ffffff30}.product-plan-button svg{width:20px;height:20px}.product-plan-button:hover{background:#5548dd;transform:translateY(-2px);box-shadow:0 15px 32px #6257ee45,inset 0 1px #ffffff30}.product-plan-button:active{transform:translateY(0)scale(.98)}@keyframes zone-breathe{0%,to{opacity:.65}50%{opacity:1;box-shadow:0 0 30px color-mix(in srgb, var(--accent,#9794c1) 40%, transparent)}}@media (width<=1150px){.minimal-header,.experience-page{width:calc(100% - 40px)}.experience-layout{grid-template-columns:minmax(0,1fr) 284px}.vehicle-column{padding:15px 20px}.control-column{padding:15px 22px 15px 15px}.seat-name{padding:4px;font-size:11px}.seat-program{display:none}.cabin-stage{margin-top:-15px;margin-bottom:-15px}}@media (width<=850px){.sound-experience{padding-bottom:calc(80px + env(safe-area-inset-bottom,0px))}.experience-intro{flex-direction:column;align-items:start;gap:10px}.experience-layout{grid-template-columns:1fr;gap:16px;padding:20px 0}.experience-toolbar{padding:18px 22px}.experience-toolbar>p{font-size:12px}.mode-buttons{width:390px}.vehicle-column{padding:12px 22px}.seat-name{padding:5px 7px;font-size:12px}.seat-program{display:flex}.control-column{grid-template-columns:1fr auto;align-items:center;gap:10px 18px;padding:0 22px;display:grid}.listening-summary{display:none}.source-summary{margin-top:0}.listening-note{grid-row:2;margin-top:0}.music-import{grid-area:1/2/span 2;max-width:210px;margin:0}.audio-error{grid-area:3/1/auto/-1}.transport{z-index:20;padding:12px 14px calc(12px + env(safe-area-inset-bottom,0px));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff5;border-top:1px solid #e3e2ef;margin:0;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -5px 20px #35377608}.mobile-play-summary{flex:0 0 76px;gap:4px;display:grid}.mobile-play-summary strong{font-size:13px;font-weight:600}.mobile-play-summary span{color:var(--muted);font-size:11px}}@media (width<=600px){.minimal-header,.experience-page{width:calc(100% - 28px)}.minimal-header{gap:9px;height:70px}.minimal-brand{gap:9px;font-size:17px}.brand-symbol{border-radius:12px;width:35px;height:35px}.headphone-hint{gap:5px;font-size:11px}.headphone-hint svg{width:14px}.experience-page{padding-top:18px}.experience-intro{gap:9px;margin-bottom:22px;padding:0 3px}.experience-intro h1{letter-spacing:-.045em;font-size:clamp(27px,7.5vw,38px)}.experience-intro>p{font-size:12px}.experience-panel{border-radius:20px}.experience-toolbar{border:0;flex-direction:column;align-items:stretch;gap:12px;padding:14px 16px}.experience-toolbar>p{display:none}.mode-buttons{border-radius:18px;gap:3px;width:100%;padding:5px}.mode-buttons button{border-radius:13px;min-height:50px;padding:8px 3px;font-size:13px}.experience-layout{gap:18px;padding:0 0 18px}.vehicle-column{padding:0 16px}.cabin-stage{width:calc(100% + 14px);margin:-10px -7px 0}.seat-control{border-radius:10px;justify-content:center;padding:0}.seat-name{display:none}.seat-program{gap:0;padding:5px;font-size:0}.seat-program svg{width:17px;height:17px}.sound-field{border-radius:10px}.seat-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;display:grid}.seat-options button{border:1px solid var(--line);color:#596579;background:#fff;border-radius:10px;justify-content:center;align-items:center;gap:7px;min-height:44px;padding:6px;font-size:14px;display:flex}.seat-options button>svg{color:var(--accent)}.seat-options button[aria-pressed=true]{color:var(--accent);border-color:color-mix(in srgb, var(--accent) 30%, transparent);background:var(--tint);font-weight:600}.control-column{flex-wrap:wrap;justify-content:space-between;gap:10px;padding:0 16px;display:flex}.source-summary{display:none}.listening-note{font-size:12px}.music-import{flex:1 0 100%;max-width:100%}.music-actions{gap:16px}.audio-error{flex:1 0 100%;margin-top:0}.transport button{border-radius:11px;min-height:48px}.play-button{font-size:13px}.restart-button{flex-basis:38px}.product-cta{justify-content:center;padding-top:18px}.product-cta>p{display:none}.product-plan-button{border-radius:17px;width:100%;min-width:0;min-height:58px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}