:root{--g:var(--accent,#245f46);--g2:var(--accent2,#5f9eb7);--softc:var(--soft,#dceae0);--bg:var(--pagebg,#eef4ef);--ink:#173126;--mut:#687a70;--line:rgba(23,49,38,.10);--h:58px;--n:76px;--st:env(safe-area-inset-top,0px);--sb:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box}html,body{margin:0;width:100%;min-height:100%;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}button{font:inherit}.app{min-height:100vh;background:linear-gradient(180deg,var(--bg),#f8faf7)}header{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;background:rgba(250,252,250,.92);border-bottom:1px solid var(--line)}header .back{text-decoration:none;color:var(--g);font-size:28px;width:30px}.brand{display:flex;align-items:center;gap:8px;flex:1}.brandmark{width:29px;height:29px;border-radius:10px;background:var(--g);color:white;display:grid;place-items:center}.brand b{display:block;font-size:12px}.brand small{display:block;color:#849188;letter-spacing:0;font-weight:400}.brand+button,header>button{width:34px;height:34px;border:1px solid var(--line);background:white;border-radius:50%;color:var(--g)}.screen{display:block;padding-bottom:18px}.scroll{min-height:100%}.homepad{padding:10px 14px 26px}.hero{min-height:430px;position:relative;overflow:hidden;border-radius:29px;background:linear-gradient(180deg,color-mix(in srgb,var(--g2) 28%,white) 0 45%,color-mix(in srgb,var(--g) 35%,white) 45%);box-shadow:0 18px 45px rgba(30,60,45,.12)}.hero-visual{position:absolute;inset:0;display:grid;place-items:center;color:var(--g)}.hero-symbol{width:160px;height:160px;color:var(--g);opacity:.88;filter:drop-shadow(0 18px 18px rgba(20,50,35,.12))}.orb{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.65);animation:float 5s ease-in-out infinite}.orb1{width:180px;height:180px;right:-55px;top:25px}.orb2{width:95px;height:95px;left:20px;top:70px;animation-delay:-2s}.particles i{position:absolute;width:8px;height:8px;border-radius:50%;background:white;opacity:.55;animation:rise 4s linear infinite}.particles i:nth-child(1){left:22%;top:45%}.particles i:nth-child(2){left:68%;top:26%;animation-delay:-1s}.particles i:nth-child(3){left:76%;top:58%;animation-delay:-2s}.particles i:nth-child(4){left:35%;top:20%;animation-delay:-3s}@keyframes float{50%{transform:translateY(12px)}}@keyframes rise{0%{transform:translateY(30px);opacity:0}50%{opacity:.7}100%{transform:translateY(-50px);opacity:0}}.hero-card{position:absolute;left:13px;right:13px;bottom:13px;padding:17px;border-radius:21px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px)}small{font-size:9px;letter-spacing:.14em;color:var(--g);font-weight:900}.hero h1{font-size:clamp(29px,8vw,40px);line-height:1.04;margin:7px 0 9px}.hero p,.intro p,.head p{font-size:12px;line-height:1.62;color:var(--mut);margin:0}.hero-actions button{border:0;border-radius:999px;background:var(--g);color:#fff;padding:9px 13px;margin-top:12px;font-size:11px}.hero-actions .ghost{background:#edf5ef;color:var(--g);margin-left:6px}.intro{padding:20px 3px 8px}.intro h2,.head h2{font-size:clamp(21px,6vw,28px);line-height:1.18;margin:6px 0 7px}.cards{display:flex;gap:9px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -14px;padding:8px 14px;scrollbar-width:none}.cards article{min-width:81%;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:21px;padding:15px}.cards h3{font-size:17px;margin:8px 0 6px}.cards p{font-size:11px;line-height:1.5;color:var(--mut)}.cards button{border:0;background:none;color:var(--g);font-size:11px;font-weight:800;padding:0}.fixed{min-height:620px}.head{padding:10px 16px 8px}.step-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:2px 13px 9px}.step-tabs button{border:0;background:color-mix(in srgb,var(--softc) 75%,white);border-radius:13px;padding:7px 4px;color:#718179;position:relative;overflow:hidden}.step-tabs button b{display:block;font-size:12px}.step-tabs button span{font-size:8px}.step-tabs button.on{background:#fff;color:var(--g);box-shadow:0 5px 14px rgba(30,60,45,.08)}.stage{padding:0 11px 12px}.panel{background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:0 12px 28px rgba(30,60,45,.08)}.process-panel{min-height:470px}.process-visual{height:210px;background:linear-gradient(145deg,color-mix(in srgb,var(--softc) 80%,white),color-mix(in srgb,var(--g2) 25%,white));display:grid;place-items:center;color:var(--g)}.process-visual svg{width:115px;height:115px}.process-visual img,.device-media img{width:100%;height:100%;object-fit:cover}.process-body{padding:16px}.process-body h3{font-size:22px;margin:6px 0 8px}.process-body p{font-size:12px;line-height:1.65;color:var(--mut)}.callout{padding:10px 11px;border-radius:14px;background:color-mix(in srgb,var(--softc) 65%,white);font-size:11px;line-height:1.5}.seg{display:flex;overflow-x:auto;gap:5px;margin:3px 13px 9px;padding:4px;background:color-mix(in srgb,var(--softc) 75%,white);border-radius:999px}.seg button{border:0;background:none;border-radius:999px;padding:8px 11px;font-size:10px;white-space:nowrap}.seg button.on{background:#fff;color:var(--g);font-weight:800}.device-panel{min-height:500px}.device-media{height:220px;background:linear-gradient(145deg,color-mix(in srgb,var(--softc) 80%,white),color-mix(in srgb,var(--g2) 25%,white));position:relative;display:grid;place-items:center;color:var(--g)}.device-media svg{width:105px;height:105px}.device-media label{position:absolute;left:10px;bottom:10px;background:rgba(255,255,255,.9);border-radius:11px;padding:7px 9px;font-size:9px}.device-info{padding:15px}.device-info h3{font-size:22px;margin:6px 0 8px}.device-info p{font-size:12px;line-height:1.6;color:var(--mut)}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}.metrics div{background:#f3f7f4;border-radius:13px;padding:10px}.metrics b{display:block;font-size:11px}.metrics span{font-size:9px;color:var(--mut)}.actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}.actions button{border:0;border-radius:12px;padding:10px;font-size:10px}.actions button:last-child{background:var(--g);color:white}.coop{padding:15px}.coop-item{display:grid;grid-template-columns:30px 1fr;gap:9px;margin:11px 0}.coop-item i{width:28px;height:28px;border-radius:50%;background:color-mix(in srgb,var(--softc) 70%,white);color:var(--g);display:grid;place-items:center;font-style:normal;font-size:10px;font-weight:800}.coop-item p{font-size:11px;line-height:1.5;color:var(--mut);margin:3px 0}.data-panel{overflow:hidden}.metric-box{background:linear-gradient(145deg,color-mix(in srgb,var(--g) 92%,black),var(--g));color:white;padding:16px}.metric-box small{color:#d9eadf}.metric-window{height:90px;position:relative;overflow:hidden}.metric-slide{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;transition:.45s}.metric-slide.in{transform:translateY(100%);opacity:0}.metric-slide.out{transform:translateY(-100%);opacity:0}.metric-slide b{font-size:31px}.metric-slide span{font-size:10px;opacity:.75}.dots{display:flex;gap:5px}.dots button{border:0;width:14px;height:3px;background:rgba(255,255,255,.25);padding:0;border-radius:999px}.dots button.on{width:28px;background:#fff}.chart-area{padding:13px}.chart-title{display:flex;justify-content:space-between}.chart-title b{font-size:13px}.chart-title span{font-size:9px;color:var(--mut)}#chart{aspect-ratio:16/8.5}#chart svg{width:100%;height:100%}.insight{background:#f3f7f4;border-radius:14px;padding:11px}.insight b{font-size:11px}.insight p{font-size:10px;line-height:1.55;color:var(--mut);margin:4px 0 0}.quiz-meta{display:flex;justify-content:space-between;font-size:9px;color:var(--mut);padding:0 15px 5px}.bar{height:5px;margin:0 15px 9px;background:#dce6df;border-radius:999px}.bar i{display:block;height:100%;background:var(--g);border-radius:999px}.quiz-panel{padding:17px;min-height:430px}.quiz-panel h3{font-size:21px;line-height:1.3}.choice{width:100%;text-align:left;border:1px solid var(--line);background:#f8faf8;border-radius:14px;padding:11px;margin:5px 0;font-size:11px}.choice.good{background:#e4f2e7}.choice.bad{background:#f8e9e9}.feedback{display:none;background:#f1f6f2;padding:10px;border-radius:13px;font-size:10px;line-height:1.5;margin-top:8px}.feedback.show{display:block}.next{display:none;width:100%;border:0;background:var(--g);color:white;border-radius:13px;padding:10px;margin-top:8px}.next.show{display:block}.result{text-align:center;padding:20px}.score{width:120px;height:120px;border-radius:50%;display:grid;place-items:center;margin:8px auto 15px;background:conic-gradient(var(--g) var(--deg),#e4ece6 0);position:relative}.score:after{content:"";position:absolute;inset:10px;background:#fff;border-radius:50%}.score b{font-size:30px;z-index:1}.mask{position:fixed;inset:0;background:rgba(10,24,17,.35);display:none;z-index:80}.mask.show{display:block}.sheet{position:fixed;left:0;right:0;bottom:0;background:#fff;border-radius:26px 26px 0 0;z-index:90;max-height:75vh;overflow-y:auto;padding:8px 17px 22px;transform:translateY(105%);transition:.25s}.sheet.show{transform:none}.sheet>i{display:block;width:40px;height:4px;border-radius:999px;background:#d7dfda;margin:0 auto 13px}.sheet p,.sheet td{font-size:11px;line-height:1.6;color:var(--mut)}.sheet table{width:100%;border-collapse:collapse}.sheet td{padding:8px 0;border-bottom:1px solid var(--line)}body.interactive{overflow:hidden}.interactive .app{height:100vh;height:100dvh;min-height:100vh;position:relative;overflow:hidden}.interactive header{position:absolute;top:0;left:0;right:0;height:calc(var(--h) + var(--st));padding:var(--st) 14px 0;z-index:50}.interactive .screen{position:absolute;inset:calc(var(--h) + var(--st)) 0 calc(var(--n) + var(--sb));display:none;overflow:hidden;padding:0}.interactive .screen.active{display:block}.interactive .scroll{height:100%;overflow-y:auto}.interactive .fixed{height:100%;min-height:0;display:grid;grid-template-rows:auto auto minmax(0,1fr)}.interactive .stage{min-height:0}.interactive .panel{height:100%;min-height:0}.interactive .process-panel{display:grid;grid-template-rows:minmax(160px,44%) minmax(0,1fr);min-height:0}.interactive .process-visual{height:auto}.interactive .process-body{overflow-y:auto}.interactive .device-panel{overflow-y:auto;min-height:0}.interactive nav{position:absolute;left:0;right:0;bottom:0;height:calc(var(--n) + var(--sb));padding:5px 4px var(--sb);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-top:1px solid var(--line);z-index:60}.interactive nav button{border:0;background:none;color:#7b8b83;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:20px}.interactive nav button span{font-size:10px}.interactive nav button.on{color:var(--g);font-weight:800}.interactive .datafixed{grid-template-rows:auto minmax(0,1fr)}.interactive .quizfixed{grid-template-rows:auto auto auto minmax(0,1fr)}body:not(.interactive) nav{display:none}@media(max-width:360px){:root{--h:54px;--n:70px}.hero{min-height:355px}.hero-symbol{width:125px;height:125px}.head h2{font-size:21px}.process-visual,.device-media{height:180px}}@media(max-height:700px){:root{--h:52px;--n:68px}.hero{min-height:325px}.hero-card{padding:13px}.hero h1{font-size:28px}.head{padding-top:5px}.head h2{font-size:20px}.head p{font-size:10px}.interactive .process-panel{grid-template-rows:minmax(135px,36%) minmax(0,1fr)}.device-media{height:165px}}@media(min-width:700px){body.interactive{display:grid;place-items:center;padding:18px}.interactive .app{width:100%;max-width:430px;min-height:0;height:calc(100vh - 36px);height:min(900px,calc(100dvh - 36px));border-radius:30px;box-shadow:0 20px 70px rgba(20,50,35,.2)}}
/* Comfortable reading on phones, including short and enlarged viewports. */
button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #88a858;outline-offset:3px}.brand b{font-size:14px}.brand small{font-size:10px}.hero p,.intro p,.head p,.process-body p,.device-info p{font-size:15px;line-height:1.85}.hero h1{line-height:1.25}.hero{min-height:480px}.hero-symbol{align-self:start;margin-top:45px}.hero-card{padding:22px}.hero-actions button{font-size:14px;min-height:44px}.cards p,.callout,.coop-item p,.insight p,.sheet p,.sheet td{font-size:14px;line-height:1.8}.cards button{font-size:14px;min-height:44px}.cards article{min-width:87%}.step-tabs button span{font-size:12px}.step-tabs button{min-height:52px}.seg{border-radius:14px}.seg button{font-size:13px;min-height:44px}.metrics b{font-size:14px}.metrics span{font-size:12px}.actions button,.choice,.next{font-size:14px;min-height:46px}.device-media label{font-size:12px}.interactive .fixed{display:block;overflow-y:auto}.interactive .panel{height:auto;min-height:0}.interactive .process-panel{display:block}.interactive .process-visual{height:190px}.interactive .process-body{overflow:visible}.interactive nav button span{font-size:12px}.feedback{font-size:14px}.quiz-meta{font-size:12px}.dots button{height:16px;min-width:28px;background-clip:content-box;padding:6px 0}.metric-slide span{font-size:12px}.chart-title span{font-size:12px}.hero-visual{background-size:cover;background-position:center}.sheet{padding-bottom:calc(22px + env(safe-area-inset-bottom))}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

/* Keep illustrations above the text, including long titles and uploaded GIFs. */
.hero{min-height:0;background:linear-gradient(145deg,var(--softc),#fff);padding-bottom:1px}
.hero-visual{position:relative;inset:auto;height:210px;overflow:hidden}
.hero-symbol{align-self:center;margin:0;width:140px;height:140px;animation:illustration-float 5s ease-in-out infinite}
.hero-card{position:relative;inset:auto;margin:0 13px 13px;padding:22px}
.hero-photo{display:block;width:100%;height:100%;object-fit:cover}
.process-visual svg{animation:illustration-float 4s ease-in-out infinite}
.process-body{animation:content-enter .35s ease-out}
.metric-window{height:112px}
.metric-slide{transition:none}
.metric-slide b{font-size:clamp(24px,7vw,31px);line-height:1.3;overflow-wrap:anywhere}
.metric-slide small{font-size:12px;letter-spacing:.04em}
.metric-enter{animation:metric-enter .4s ease-out both}
.playback-control{min-height:36px;border:1px solid var(--line);border-radius:9px;padding:6px 12px;background:#fff;color:var(--g);font-size:12px;margin-top:10px}
.metric-box .playback-control{background:transparent;border-color:#ffffff60;color:white}
@keyframes metric-enter{from{transform:translateY(28px);opacity:0}to{transform:translateY(0);opacity:1}}
@keyframes illustration-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes content-enter{from{opacity:.4}to{opacity:1}}
@media(prefers-reduced-motion:reduce){.hero-symbol,.process-visual svg,.process-body,.metric-enter{animation:none!important}}

.hero-visual.has-photo{height:auto;aspect-ratio:3/2}.hero-visual.has-photo .hero-photo{height:100%;object-fit:contain}.process-visual,.device-media{position:relative}.process-visual img,.device-media img{object-fit:contain;background:#eef5eb}.media-note{position:absolute;right:9px;top:9px;background:rgba(255,255,255,.92);border:1px solid #dae6d3;color:#4f6a54;border-radius:8px;padding:5px 8px;font-size:11px;line-height:1.4;z-index:2}