/* finesse · register=product · shell=welcome-six-modules · A=six-user-requested-colors+violet-controls · B=NotoSansSC-bold · C=2+4-vector-overview+two-starts+side-player · D=feedback-only · E=flat-ui-prototypes · SOUL=6 SPECTACLE=2 DENSITY=5 */
@font-face{font-family:GuideNoto;src:url('./assets/NotoSansSC-VF.ttf') format('truetype');font-weight:100 900;font-display:swap}
:root{
--page:#f6f7f9;--panel:#fdfcfe;--ink:#252334;--body:#625c6d;--accent:#7050b3;--accent-hover:#5e3e9e;--accent-soft:#ede7f5;--border:rgba(46,34,69,.12);
--newtab:#f6f2fb;--workbench:#f2f7fd;--dock:#f2faf5;--cleanup:#fdf4f5;--tasks:#fdf8f0;--ai:#fafaf1;
--ui-sheet:#fdfcfe;--ui-line:#d7d6e1;--ui-stroke:rgba(45,38,73,.16);--ui-shadow:rgba(45,38,73,.12);--bubble-one:#d8e9f3;--bubble-two:#dbccf2;--bubble-three:#d6e6dc;--bubble-four:#efe2c7;
--chrome-blue:#0b57d0;--chrome-light:#d3e3fd;--chrome-ink:#122d55;--warning:#b32d3e;--warning-bg:#fff0f1;--warning-border:rgba(186,42,62,.22);--success:#345e4f;--font:GuideNoto,'Noto Sans SC','Microsoft YaHei',sans-serif
}
*{box-sizing:border-box}
html,body{overflow-x:clip}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:radial-gradient(ellipse 68% 650px at 5% 0%,#eae4f7aa,transparent),radial-gradient(ellipse 62% 850px at 100% 29%,#ddeaf3aa,transparent),var(--page);color:var(--ink);font:14px/1.7 var(--font);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3{min-width:0;overflow-wrap:anywhere;text-wrap:balance}p{text-wrap:pretty}
a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{touch-action:manipulation}
a:focus-visible,button:focus-visible,video:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
button:active{transform:translateY(1px)}
.wrap{width:calc(100% - 88px);max-width:1220px;margin-inline:auto}
.header{height:88px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:17px;min-height:44px}
.brand img{display:block;width:238px;height:auto}
.brand-cn{border-left:1px solid var(--border);padding-left:17px;white-space:nowrap;font-size:15px}
.language-switch{display:flex;padding:4px;border:1px solid var(--border);border-radius:12px;background:var(--panel)}
.language-switch button{border:0;border-radius:8px;background:transparent;color:var(--body);width:44px;min-height:36px;font-size:13px;font-weight:600;white-space:nowrap}
.language-switch button[aria-pressed=true]{color:var(--panel);background:var(--accent)}
.welcome{text-align:center;padding:42px 0 72px}
.welcome-note{font-size:16px;color:var(--accent);font-weight:550;margin-bottom:16px}
h1{font-size:clamp(34px,4.3vw,58px);line-height:1.3;font-weight:760;letter-spacing:-1.8px}
.welcome-description{font-size:17px;color:var(--body);margin:20px auto 0;max-width:880px}
.overview{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.feature{border-radius:20px;min-width:0;display:flex;flex-direction:column;border:1px solid var(--ui-stroke)}
.feature-wide{grid-column:span 2}
.newtab{background:var(--newtab)}.workbench{background:var(--workbench)}.dock{background:var(--dock)}.cleanup{background:var(--cleanup)}.tasks{background:var(--tasks)}.ai{background:var(--ai)}
.feature-copy{padding:23px 23px 0}
.feature h2{font-size:20px;line-height:1.5;letter-spacing:-.4px;font-weight:690}
.feature p{font-size:13px;line-height:1.75;margin-top:6px}
.feature-wide .feature-copy{padding:26px 29px 0}
.feature-wide h2{font-size:24px}
.feature-wide p{font-size:14px}
.module-art{padding:12px 10px 17px;margin-top:auto;min-width:0}
.module-art svg{display:block;width:100%;height:auto;overflow:visible}
.feature-wide .module-art{padding:9px 19px 16px}
.module-art .sheet,.module-art .floating-sheet,.module-art .preview-sheet{fill:var(--ui-sheet);stroke:var(--ui-stroke);stroke-width:1.2}
.module-art .floating-sheet,.module-art .preview-sheet{filter:drop-shadow(0 4px 3px var(--ui-shadow))}
.module-art .soft-sheet{fill:var(--accent-soft)}
.module-art .ui-line{fill:var(--ui-line)}
.module-art text{font-family:var(--font);fill:var(--ink);font-size:12px;font-weight:550}
.module-art .svg-label{font-size:12px}
.module-art .svg-note{font-size:10px}
.module-art .svg-prompt{font-size:11px}
.module-art .bubble-one{fill:var(--bubble-one)}.module-art .bubble-two{fill:var(--bubble-two)}.module-art .bubble-three{fill:var(--bubble-three)}.module-art .bubble-four{fill:var(--bubble-four)}
.module-art .cursor{fill:var(--ink);stroke:var(--ui-sheet);stroke-width:2}
.module-art .action-fill,.module-art .check{fill:var(--accent)}
.module-art .tick{fill:none;stroke:var(--ui-sheet);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.module-art .svg-button{fill:var(--ui-sheet);font-size:11px}
.module-art .connector{fill:none;stroke:var(--ink);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.module-art .draft-sheet{fill:var(--ui-sheet);stroke:var(--accent);stroke-width:1.5;stroke-dasharray:4 4}
.module-art .saved-sheet{fill:var(--ui-sheet);stroke:var(--accent);stroke-width:1.5}
.module-art .spark{fill:var(--accent)}
.onboarding{padding-top:104px}
.section-title{font-size:30px;line-height:1.4;font-weight:680;letter-spacing:-.7px}
.starter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}
.starter{background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:28px 30px;min-width:0}
.starter-heading{display:flex;gap:12px;align-items:center}
.step{display:flex;align-items:center;justify-content:center;border:1px solid var(--border);width:27px;height:27px;flex-shrink:0;border-radius:50%;font-size:13px;color:var(--body)}
.starter h3{font-size:20px;font-weight:640;line-height:1.5}
.trigger-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:30px 0}
.trigger-options>div{display:flex;min-width:0;align-items:center;justify-content:center;flex-direction:column;gap:18px;padding:18px 0}
.trigger-options kbd{font-family:var(--font);color:var(--ink)}
.trigger-options svg{height:46px;width:38px;fill:none;stroke:var(--body);stroke-width:1.6}
.trigger-options svg .wheel{fill:var(--accent);stroke:var(--accent)}
.trigger-label{font-size:11px;text-align:center;line-height:1.4;min-height:30px;display:flex;align-items:center}
.button{min-height:46px;border:1px solid transparent;border-radius:10px;padding:11px 19px;display:inline-flex;justify-content:center;gap:18px;align-items:center;font-size:14px;white-space:nowrap;font-weight:550}
.primary{background:var(--accent);color:var(--panel)}.primary:hover{background:var(--accent-hover)}
.preview-notice{font-size:11px;color:var(--body);margin-top:10px}
.open-status{font-size:12px;color:var(--accent);margin-top:12px}
.important-note{margin-top:18px;padding:13px 15px;background:var(--warning-bg);border:1px solid var(--warning-border);border-radius:11px;display:flex;align-items:flex-start;gap:10px;color:var(--warning)}
.important-label{font-size:10px;font-weight:700;line-height:18px;border:1px solid var(--warning);border-radius:5px;padding:1px 6px;background:var(--warning);color:var(--panel);white-space:nowrap;margin-top:1px}
.important-note h4{font-size:13px;line-height:1.6;font-weight:700}
.chrome-choice{border:1px solid var(--border);border-radius:15px;margin-top:15px;padding:18px 20px;background:var(--panel);box-shadow:0 3px 12px -5px var(--ui-shadow)}
.chrome-title{display:flex;align-items:center;gap:14px;font-size:17px;color:var(--chrome-ink)}
.chrome-title img{width:24px;height:24px}
.chrome-choice>p{font-size:12px;color:var(--chrome-ink);margin-top:10px;line-height:1.7}
.chrome-buttons{display:flex;justify-content:flex-end;gap:14px;margin-top:30px;align-items:center}
.restore-choice,.keep-choice{display:block;font-size:12px;line-height:1.5;border-radius:24px;padding:10px 16px;white-space:nowrap}.keep-highlight{position:relative;display:block;padding:7px;border:2px solid var(--warning);border-radius:5px}
.restore-choice{color:var(--panel);background:var(--chrome-blue)}
.keep-choice{color:var(--chrome-ink);background:var(--chrome-light);outline:2px solid var(--chrome-blue);outline-offset:3px}
.choice-pointer{position:absolute;z-index:1;top:-30px;right:16px;display:flex;align-items:flex-start;gap:4px;width:max-content;color:var(--warning);font-size:12px;line-height:16px;font-weight:700;pointer-events:none}.choice-pointer svg{width:34px;height:28px;flex:none;stroke:var(--warning);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.recovery{margin-top:18px;padding-top:14px;border-top:1px solid var(--border)}.recovery summary{display:flex;align-items:center;justify-content:space-between;gap:15px;list-style:none;cursor:pointer;min-height:44px;font-size:12px;font-weight:600}.recovery summary::-webkit-details-marker{display:none}.recovery-toggle{display:flex;flex:none;line-height:16px;align-items:center;gap:8px;color:var(--accent);white-space:nowrap;font-size:11px}.recovery-chevron{display:block;width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.recovery .when-open,.recovery[open] .when-closed{display:none}.recovery[open] .when-open{display:inline}.recovery[open] .recovery-chevron{transform:rotate(180deg)}summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.recovery p{font-size:12px;color:var(--body);margin-top:5px;line-height:1.9}
.scenarios{padding-top:104px}
.scenario-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px;margin-top:27px;align-items:stretch}
.scene-nav{display:flex;flex-direction:column;gap:8px}
.scene-nav button{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 18px;min-height:76px;border:1px solid var(--border);border-radius:13px;color:var(--body);background:var(--panel);text-align:left;font-size:14px;transition:background .15s,color .15s,border-color .15s}.scene-copy{display:flex;min-width:0;flex-direction:column;gap:6px}.scene-copy strong{font-size:14px;font-weight:650;color:var(--ink);line-height:1.4}.scene-copy small{font-size:11px;line-height:1.6;white-space:normal}.scene-nav button[aria-current=true] .scene-copy strong{color:var(--accent)}
.scene-nav button:hover{background:var(--accent-soft);color:var(--accent)}
.scene-nav button[aria-current=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-hover);box-shadow:inset 3px 0 var(--accent)}
.scene-arrow{opacity:0}.scene-nav button[aria-current=true] .scene-arrow{opacity:1}
.scene-player{min-width:0}.scene-player video{display:block;width:100%;aspect-ratio:16/9;border-radius:16px;background:var(--accent-soft)}
#video-error{padding:12px;color:var(--accent)}
footer{padding:32px 0 26px;margin-top:96px!important;border-top:1px solid var(--border);color:var(--body);font-size:12px;text-align:center}
.skip{position:absolute;left:20px;top:-100px;background:var(--panel);padding:10px 16px;z-index:50}.skip:focus{top:10px}
html[lang=en] h1{font-size:clamp(32px,4.1vw,56px);letter-spacing:-1.8px}
html[lang=en] .feature:not(.feature-wide) h2{font-size:18px}
html[lang=en] .feature p{min-height:46px}

html[lang=en] .scene-nav button{font-size:13px}
@media(max-width:1000px){
.wrap{width:calc(100% - 48px)}.feature-copy{padding:20px 16px 0}.feature h2{font-size:18px}.feature p{min-height:46px;font-size:12px}.feature-wide .feature-copy{padding:22px 24px 0}.starter{padding:23px}.trigger-options{gap:7px}.trigger-options kbd{font-size:18px}.scenario-layout{grid-template-columns:190px minmax(0,1fr);gap:18px}.scene-nav button{padding:11px 14px;font-size:13px;min-height:45px}
}
@media(max-width:760px){
.wrap{width:calc(100% - 32px)}.header{height:74px}.brand img{width:194px}.brand{gap:10px}.brand-cn{font-size:12px;padding-left:10px}.welcome{padding:30px 0 52px}h1{font-size:36px;letter-spacing:-1px}.welcome-note{font-size:14px}.welcome-description{font-size:14px;margin-top:15px}.overview{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.feature-wide{grid-column:span 2}.feature{border-radius:17px}.feature-copy{padding:19px 18px 0}.feature h2{font-size:19px}.feature p{min-height:44px}.feature-wide p{min-height:0}.feature-wide h2{font-size:22px}.feature-wide .module-art{padding:10px 12px 14px}.starter-grid{grid-template-columns:minmax(0,1fr);gap:16px}.onboarding,.scenarios{padding-top:68px}.section-title{font-size:25px}.starter{padding:24px}.trigger-options{margin:24px 0}.trigger-label{font-size:11px}.scenario-layout{grid-template-columns:minmax(0,1fr);gap:16px;margin-top:20px}.scene-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.scene-nav button{font-size:12px;padding:10px 12px;min-height:44px}.scene-arrow{display:none}.scene-player video{border-radius:12px}footer{margin-top:64px!important;padding:25px 0}
}
@media(max-width:400px){
.brand img{width:170px}.brand-cn{display:none}.language-switch{padding:3px}.language-switch button{width:38px;min-height:36px}.welcome{padding-top:20px}h1{font-size:30px}.welcome-description{font-size:13px}.feature-copy{padding:17px 12px 0}.feature h2{font-size:17px}.feature p{font-size:12px;min-height:63px}.feature-wide .feature-copy{padding:20px 20px 0}.feature-wide h2{font-size:21px}.feature-wide p{min-height:0}.module-art{padding:9px 4px 11px}.starter{padding:19px}.starter h3{font-size:18px}.trigger-options{gap:5px}.trigger-options kbd{font-size:16px}.trigger-label{font-size:10px}.chrome-choice{padding:15px 13px}.chrome-title{font-size:16px}.restore-choice,.keep-choice{font-size:11px;padding:9px 12px}.section-title{font-size:23px}html[lang=en] h1{font-size:30px}html[lang=en] .feature:not(.feature-wide) h2{font-size:16px}html[lang=en] .scene-nav button{font-size:11px;padding-inline:10px}.button{font-size:13px}
}
@media(max-width:400px){.important-note{display:block}.important-label{display:inline-block;margin:0 0 7px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
/* 2026-09-10: restrained color + dimensional inputs; responsive refinements stay local. */
.task-connector{fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.key-stage{height:98px;display:flex;align-items:center;justify-content:center;gap:5px;width:100%}
.trigger-options .keycap{display:flex;flex-direction:column;justify-content:center;align-items:center;width:78px;height:74px;border:1px solid #c7bfda;border-bottom:6px solid #c0b7d1;border-radius:13px;background:linear-gradient(145deg,#fdfcfe,#e9e3f3);box-shadow:inset 0 2px 1px #fdfcfe,0 5px 0 #d7d0e1,0 9px 12px -7px #75618d66;font-size:24px;font-weight:650;line-height:1.2;white-space:nowrap}
.keycap small{display:block;font-size:12px;color:var(--body);font-weight:500;margin-top:6px}.key-combo b{font-size:15px;color:var(--body);font-weight:500}.trigger-options .key-q{width:37px;font-size:20px}
.mouse-model{position:relative;width:61px;height:91px;border-radius:29px 29px 25px 25px;background:linear-gradient(115deg,#faf8fc,#e6e1ed);border:1px solid #c7bfda;border-bottom:5px solid #c0b7d1;box-shadow:inset 3px 1px 2px #fdfcfe,0 7px 10px -7px #75618d99}
.mouse-seam{position:absolute;top:0;left:50%;height:38px;border-left:1px solid #c7bfda}.mouse-model:after{content:"";position:absolute;left:4px;right:4px;top:36px;border-top:1px solid #c7bfda;border-radius:50%}
.mouse-wheel{position:absolute;z-index:1;top:10px;left:24px;width:11px;height:23px;border-radius:7px;border:1px solid #674693;background:repeating-linear-gradient(0deg,#8c6db8 0 3px,#aa8acb 3px 4px);box-shadow:0 0 0 4px #e3d8f0}
@media(max-width:1100px) and (min-width:761px){.trigger-options{gap:4px}.trigger-options .keycap{width:59px;height:66px;font-size:21px}.trigger-options .key-q{width:30px}.keycap small{font-size:10px}.key-stage{gap:3px}.chrome-choice{padding:16px 12px}.restore-choice,.keep-choice{padding:9px 10px;font-size:11px}}
@media(max-width:760px){.scene-nav{gap:10px}.scene-nav button{padding:13px;min-height:84px;white-space:normal}.scene-copy strong{font-size:13px}.scene-copy small{font-size:11px}.welcome h1{max-width:640px;margin:auto}}
@media(max-width:400px){.trigger-options .keycap{width:55px;height:64px;font-size:20px}.trigger-options .key-q{width:29px;font-size:18px}.keycap small{font-size:9px}.key-combo{gap:3px}.key-combo b{font-size:12px}.trigger-options>div{gap:8px}.mouse-model{width:52px;height:80px}.mouse-wheel{left:20px}.chrome-buttons{gap:7px}.restore-choice,.keep-choice{font-size:10px;padding:9px}.choice-pointer{font-size:11px;right:10px}.keep-highlight{padding:6px}.scene-copy strong{font-size:12px}.scene-copy small{font-size:10px}}
/* Primary action: dock icon, stable text, transform-only color drift. */
#open-workbench{position:relative;isolation:isolate;overflow:hidden;display:flex;width:280px;max-width:100%;min-height:62px;margin-inline:auto;padding:16px 24px;gap:13px;border:1px solid #c4b4e466;border-radius:15px;background:#524193;color:#fdfcfe;font-size:16px;font-weight:650;box-shadow:0 7px 19px -9px #54428c80;transition:transform .18s}
#open-workbench::before{content:"";position:absolute;z-index:-1;inset:0 auto 0 0;width:200%;background:linear-gradient(110deg,#594092 0%,#315b98 24%,#226878 48%,#66509b 72%,#594092 100%);transform:translateX(-24%);animation:workbench-color-flow 6s ease-in-out infinite alternate;pointer-events:none}
#open-workbench::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(120deg,transparent 20%,#fdfcfe14 47%,transparent 66%);pointer-events:none}
#open-workbench>svg,#open-workbench>span{position:relative;z-index:1;flex:none}
#open-workbench .workbench-button-icon{display:block;width:27px;height:27px}
#open-workbench:hover{transform:translateY(-2px)}
#open-workbench:active{transform:translateY(1px)}
#open-workbench:disabled{cursor:wait;transform:none}
#open-workbench:disabled::before{animation-play-state:paused}
@keyframes workbench-color-flow{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){#open-workbench::before{animation:none;transform:translateX(-24%)}#open-workbench{transition:none}}
@media(max-width:400px){#open-workbench{font-size:14px;padding:15px 16px;gap:10px;min-height:58px}#open-workbench .workbench-button-icon{width:25px;height:25px}}
@media(min-width:1181px){.scene-nav{contain:size;display:grid;grid-template-rows:repeat(6,minmax(0,1fr));gap:8px}.scene-nav button{min-height:0;padding:9px 14px}.scene-copy{gap:4px}.scene-copy small{line-height:1.4}}
@media(min-width:761px) and (max-width:1180px){.scenario-layout{grid-template-columns:minmax(0,1fr);gap:18px}.scene-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.scene-nav button{min-height:78px;padding:12px 16px}}
.module-art .figma-labels text{font-size:4.5px;fill:#6b7080;font-weight:500}
/* Card copy inherits its own hue; prototype artwork keeps its original palette. */
.newtab{--copy-title:#51366f;--copy-body:#705587}.workbench{--copy-title:#294d75;--copy-body:#496888}.dock{--copy-title:#285b42;--copy-body:#48735c}.cleanup{--copy-title:#843d50;--copy-body:#935d6d}.tasks{--copy-title:#775022;--copy-body:#88683f}.ai{--copy-title:#5a612d;--copy-body:#6c733f}
.feature-copy h2{color:var(--copy-title)}.feature-copy p{color:var(--copy-body)}
#start-title,#scenarios-title{text-align:center}
html[lang=en] .cleanup .svg-label{font-size:10px}
.scene-player{position:relative}
#video-error{position:absolute;inset:auto 12px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel);font-size:12px}