/* Standalone public homepage: no dependency on the task app or its data. */
:root{color-scheme:light;--ink:#1d304e;--muted:#596b80;--blue:#2859df;--blue-dark:#1c43b2;--line:#dce3ed;--paper:#f7f9fc;--gold:#e9bb5d;--sans:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif;--serif:"STSong","Songti SC","SimSun",serif;--mono:"Consolas","Liberation Mono",monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:32px}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,a,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px;border-radius:3px}
::selection{background:#dbe6ff;color:#163b9f}
h1,h2,h3,p,figure{margin:0}
.container{width:min(1184px,calc(100% - 96px));margin-inline:auto}
.site-header{border-bottom:1px solid var(--line);background:#fff}
.header-inner{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:13px;flex-shrink:0;line-height:1.5}
.brand img{display:block}
.brand strong{display:block;font-size:17px;letter-spacing:.05em}
.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:.13em;margin-top:3px}
nav{display:flex;align-items:center;gap:30px;font-size:13px}
nav a{padding:11px 0;white-space:nowrap}
.nav-text:hover,.text-link:hover,.footer-links a:hover{color:var(--blue)}
.nav-entry{border:1px solid #b9c8e8;border-radius:7px;padding:9px 17px;color:var(--blue-dark);font-weight:700;display:flex;gap:20px;align-items:center;min-height:44px;transition:background .2s}
.nav-entry:hover{background:#f0f4ff}
.hero{padding-block:92px 94px;display:grid;grid-template-columns:1.07fr 1fr;align-items:center;gap:64px}
.eyebrow{font-size:12px;letter-spacing:.13em;color:var(--blue-dark);font-weight:700;display:flex;align-items:center;gap:11px}
.small-rule{width:24px;height:3px;background:var(--gold)}
h1{font-family:var(--serif);font-size:clamp(42px,4.5vw,65px);line-height:1.4;font-weight:700;letter-spacing:.005em;margin:27px 0 24px}
h1 em{font-style:normal;color:var(--blue)}
.hero-description{font-size:15px;line-height:2.05;color:var(--muted)}
.hero-actions{display:flex;align-items:flex-start;flex-direction:column;gap:14px;margin-top:31px}
.button{min-height:52px;padding:13px 23px;border-radius:7px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:space-between;gap:35px;transition:background .2s,transform .2s}
.primary{color:white;background:var(--blue);box-shadow:0 5px 13px #2859df14}
.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.text-link{font-size:12px;display:inline-flex;align-items:center;gap:17px;padding:8px 0;min-height:40px}
.access-note{color:var(--muted);font-size:11px;margin-top:10px}
.hero-index{display:flex;gap:29px;border-top:1px solid var(--line);padding-top:21px;margin-top:30px;font-size:12px;color:var(--muted)}
.hero-index span{display:flex;gap:8px;align-items:center}
.hero-index b{font:11px var(--mono);color:var(--blue)}
.workbench-preview{position:relative;border:1px solid #d5dfea;border-radius:13px;background:linear-gradient(160deg,#fff 60%,#f4f7ff);box-shadow:0 22px 55px -25px #1e395a35;padding:28px 28px 0;transform:rotate(1deg)}
.workbench-preview::before{content:"";position:absolute;left:25px;right:25px;bottom:-11px;height:15px;border:1px solid var(--line);border-top:0;background:#f3f6fb;border-radius:0 0 11px 11px;z-index:-1}
.preview-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:17px}
.preview-wordmark{font-family:var(--mono);font-weight:700;font-size:22px;letter-spacing:.16em}
.preview-wordmark>span{color:var(--gold)}
.preview-label{font-size:10px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:1px 8px}
.preview-heading{display:flex;justify-content:space-between;align-items:center;margin:26px 0 21px;gap:15px}
.preview-heading p{font-size:11px;color:var(--muted);margin-bottom:5px}
.preview-heading h2{font-size:23px;letter-spacing:.025em}
.week-number{font:9px/1.2 var(--mono);letter-spacing:.09em;color:var(--muted);text-align:right}
.week-number b{font-size:34px;font-weight:400;color:var(--blue);letter-spacing:0}
.week-strip{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:3px;background:#f2f5fb;border:1px solid #e4eaf4;border-radius:7px;padding:5px}
.day{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:11px;height:64px;font-size:10px;white-space:nowrap;border-radius:5px;color:#4f637c}
.day i{display:block;width:5px;height:5px;background:#a8bcef;border-radius:50%}
.day.active{color:#fff;background:var(--blue);box-shadow:0 3px 7px #2859df22}
.day.active i{background:var(--gold)}
.day.weekend{color:#6b7b90}
.day.weekend i{background:transparent}
.sample-tasks{list-style:none;margin:10px 0 0;padding:0}
.sample-tasks li{display:flex;align-items:center;gap:12px;padding:20px 0;border-bottom:1px solid #e5eaf1}
.sample-tasks strong{display:block;font-size:13px;font-weight:600}
.sample-tasks small{display:block;font-size:10px;color:var(--muted);margin-top:2px}
.task-marker{width:19px;height:19px;border:1.5px solid #b8c6d8;border-radius:50%;flex-shrink:0}
.task-marker.done{display:flex;justify-content:center;align-items:center;background:#e9f3ef;border-color:#82ad9c;color:#32775c;font-size:11px}
.task-marker.progressing{border:5px solid #cbd9fc;border-top-color:var(--blue)}
.task-state{margin-left:auto;font-size:10px;white-space:nowrap;color:var(--blue-dark);background:#edf2ff;border-radius:4px;padding:3px 7px}
.task-state.completed{color:#386e58;background:#edf5f0}
.task-state.pending{color:#6f6144;background:#fbf3e2}
.preview-bottom{display:flex;gap:12px;align-items:center;margin:22px 0 16px}
.preview-bottom p{font-size:12px;color:#586b82}
.gold-dash{height:3px;width:26px;background:var(--gold)}
figcaption{font-size:9px;color:#617189;border-top:1px dashed var(--line);padding:10px 0 13px;line-height:1.7}
.section{padding-block:83px}
.features{border-top:1px solid var(--line);display:grid;grid-template-columns:.8fr 1.2fr;gap:88px}
.section-intro h2{font-family:var(--serif);font-size:35px;line-height:1.55;margin-top:20px;letter-spacing:.02em}
.section-description{font-size:13px;line-height:2;color:var(--muted);margin-top:19px}
.feature-row{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:0 0 27px;margin-bottom:25px;border-bottom:1px solid var(--line)}
.feature-row:last-child{margin-bottom:0;padding-bottom:0;border:0}
.feature-number{font:13px var(--mono);color:var(--blue);padding-top:8px}
h3{font-size:18px;letter-spacing:.01em}
.feature-row p{font-size:13px;color:var(--muted);line-height:1.95;margin:9px 0 12px}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px}
.feature-tags span{font-size:10px;padding:2px 8px;background:#f2f5fa;border-radius:3px;color:#506580}
.guide-section{padding-block:76px;background:var(--paper);border-block:1px solid #e3e8f1}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:22px}
.section-heading h2{font-family:var(--serif);font-size:32px;margin-top:16px;line-height:1.5}
.section-heading .text-link{color:var(--blue-dark);white-space:nowrap}
.steps{list-style:none;padding:0;margin:40px 0 32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}
.steps li{border-top:2px solid #bdcdef;padding-top:19px}
.step-no{font:12px var(--mono);color:var(--blue)}
.steps h3{font-size:17px;margin:13px 0 10px}
.steps p{color:var(--muted);font-size:13px;line-height:1.95}
.migration-note{display:flex;gap:16px;padding:21px 24px;background:#fff;border:1px solid var(--line);border-radius:6px}
.note-mark{font:24px var(--mono);color:var(--blue);flex-shrink:0}
.migration-note p{color:var(--muted);font-size:12px;line-height:1.95}
.migration-note strong{color:var(--ink);font-weight:600}
.questions{display:grid;grid-template-columns:.8fr 1.2fr;gap:88px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:first-child{border-top:1px solid var(--line)}
summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0;font-size:14px;font-weight:600;min-height:56px}
summary::-webkit-details-marker{display:none}
summary>span{font-size:22px;font-family:var(--mono);font-weight:400;color:var(--blue);flex-shrink:0;line-height:1;transition:transform .2s}
details[open] summary>span{transform:rotate(45deg)}
.answer{padding:0 28px 23px 0;color:var(--muted);font-size:13px;line-height:1.95}
.answer p+p{margin-top:10px}
.closing{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#eff4ff;border-left:3px solid var(--blue);padding:34px 40px;margin-bottom:80px}
.closing h2{font-family:var(--serif);font-size:30px;line-height:1.6;margin-top:8px}
.closing .button{flex-shrink:0}
.site-footer{border-top:1px solid var(--line);padding:37px 0 24px}
.footer-main{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:29px}
.footer-brand{font-weight:700;font-size:14px}
.footer-brand span{font-family:var(--mono);color:var(--blue);padding-left:7px;letter-spacing:.04em}
.footer-main p{font-size:11px;color:var(--muted);margin-top:6px}
.footer-links{display:flex;gap:25px;font-size:11px;color:var(--muted)}
.footer-links a{padding:11px 0}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;border-top:1px solid var(--line);padding-top:20px;font-size:10px;color:var(--muted)}
.footer-bottom>a{white-space:nowrap;text-decoration:underline;text-underline-offset:4px;padding:8px 0}
.skip-link{position:absolute;left:16px;top:12px;z-index:5;background:white;padding:10px 15px;border:2px solid var(--blue);transform:translateY(-160%)}
.skip-link:focus{transform:translateY(0)}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:901px){.hero-copy{animation:rise-in .55s ease-out both}.workbench-preview{animation:board-in .7s ease-out both}@keyframes rise-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes board-in{from{opacity:0;transform:translateY(16px) rotate(1deg)}to{opacity:1;transform:translateY(0) rotate(1deg)}}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.hero{gap:35px;padding-block:67px 76px}.hero-description{font-size:14px}.desktop-break{display:none}.workbench-preview{padding:22px 21px 0}.preview-heading h2{font-size:21px}.sample-tasks li{gap:9px}.sample-tasks strong{font-size:12px}.features,.questions{gap:50px}.closing{padding:29px}.closing h2{font-size:27px}nav{gap:21px}}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:45px;padding-block:58px 68px}.hero-copy{max-width:650px}h1{font-size:57px;margin-top:20px}.hero-description{max-width:570px;font-size:15px}.hero-actions{flex-direction:row;align-items:center;gap:24px}.hero-index{max-width:480px}.workbench-preview{width:min(100%,520px);justify-self:center;transform:none;padding:26px 28px 0}.features,.questions{grid-template-columns:1fr;gap:35px}.section{padding-block:60px}.section-intro h2 br{display:none}.section-description br{display:none}.section-intro h2{font-size:31px}.section-description{margin-top:12px}.guide-section{padding-block:57px}.section-heading h2{font-size:28px}.steps{gap:24px}.section-heading{align-items:flex-start;flex-direction:column;gap:10px}.steps{margin-top:27px}.closing{margin-bottom:60px}.closing h2{font-size:24px}.closing .button{gap:20px}.footer-main{align-items:flex-start}.footer-bottom{align-items:flex-start;flex-direction:column;gap:5px}nav .nav-text{display:none}}
@media(max-width:540px){.container{width:calc(100% - 40px)}.header-inner{min-height:83px;gap:10px}.brand{gap:9px}.brand img{width:34px;height:34px}.brand strong{font-size:12px;letter-spacing:.02em}.brand small{font-size:9px;letter-spacing:.01em}.nav-entry{font-size:11px;padding:8px 10px;gap:7px;min-height:44px}.hero{padding-block:38px 54px;gap:34px}.eyebrow{font-size:10px;letter-spacing:.08em}h1{font-size:44px;line-height:1.43;margin:18px 0}.hero-description{font-size:13px;line-height:1.95}.hero-actions{flex-direction:column;align-items:flex-start;gap:9px;margin-top:23px}.button{min-height:49px;font-size:13px;padding:12px 20px}.hero-actions .text-link{font-size:11px;padding:7px 0}.access-note{margin-top:6px;font-size:10px}.hero-index{margin-top:21px;padding-top:17px;gap:25px;font-size:11px}.workbench-preview{padding:19px 18px 0;border-radius:10px}.preview-top{padding-bottom:12px}.preview-wordmark{font-size:20px}.preview-heading{margin:20px 0 17px}.preview-heading h2{font-size:22px}.week-number b{font-size:30px}.sample-tasks li{padding:17px 0;gap:10px}.sample-tasks strong{font-size:12px}.task-state{font-size:9px;padding:3px 5px}.sample-tasks small{font-size:9px}.task-marker{width:17px;height:17px}.preview-bottom{margin-top:19px}.preview-bottom p{font-size:11px}figcaption{font-size:9px}.section{padding-block:47px}.section-intro h2{font-size:28px;margin-top:13px}.section-description{font-size:12px}.features,.questions{gap:28px}.feature-row{grid-template-columns:32px 1fr;gap:12px;padding-bottom:24px;margin-bottom:23px}.feature-number{font-size:11px}.feature-row h3{font-size:17px}.feature-row p{font-size:12px}.guide-section{padding-block:45px}.section-heading h2{font-size:27px;max-width:300px}.steps{grid-template-columns:1fr;gap:25px;margin:25px 0}.steps li{display:grid;grid-template-columns:32px 1fr;column-gap:12px;padding-top:17px}.step-no{grid-row:1 / 3;padding-top:6px}.steps h3{margin:0 0 8px;font-size:16px}.steps p{grid-column:2;font-size:12px}.migration-note{padding:17px 15px;gap:9px}.migration-note p{font-size:11px}.note-mark{font-size:20px}summary{font-size:13px;padding:19px 0;gap:13px}.answer{font-size:12px;padding-right:17px}.closing{align-items:flex-start;flex-direction:column;gap:21px;padding:24px;margin-bottom:49px}.closing h2{font-size:25px;max-width:260px}.footer-main{flex-direction:column;gap:16px;padding-bottom:20px}.footer-links{flex-wrap:wrap;gap:21px;font-size:11px}.footer-bottom{font-size:10px;line-height:1.9}.site-footer{padding-top:27px}.footer-brand{font-size:13px}}
@media(max-width:359px){.container{width:calc(100% - 32px)}.brand strong{font-size:11px}.brand img{width:30px;height:30px}.brand small{font-size:8px}.nav-entry{font-size:10px;padding-inline:8px}h1{font-size:39px}.workbench-preview{padding-inline:14px}.sample-tasks li{gap:7px}.sample-tasks strong{font-size:11px}.preview-heading h2{font-size:20px}.hero-index{gap:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.primary:hover{transform:none}}
@media print{.site-header nav,.hero-actions,.closing,.footer-links,.skip-link{display:none}.container{width:100%}.hero,.features,.questions{display:block;padding-block:20px}.workbench-preview{max-width:450px;transform:none;box-shadow:none;margin:25px auto}.guide-section{padding-block:20px}.section-intro{margin-bottom:20px}details .answer{display:block}.footer-bottom{display:block}}