:root{--ink:#20291e;--muted:#697064;--line:#e4e7df;--bg:#fafbf7;--accent:#5d792e;--display:'Geist','PingFang SC',sans-serif;--body:'Geist','PingFang SC',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,textarea{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img,video{max-width:100%;display:block}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #8bab50;outline-offset:5px}::selection{background:#d8eaa9}.wrap{width:min(1160px,calc(100% - 64px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0)}.skip{position:fixed;top:-70px;left:16px;background:white;padding:12px;z-index:999}.skip:focus{top:8px}.site-header{position:sticky;top:0;z-index:20;background:rgba(250,251,247,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(224,229,215,.7)}.nav{height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:8px;font-size:27px;font-weight:720;letter-spacing:-1.6px;line-height:1}.brand img{object-fit:contain}.brand-dot{color:#718f39}.desktop-nav{display:flex;gap:25px;font-size:12px;font-weight:500}.desktop-nav a{color:#656b60}.desktop-nav a:hover,.desktop-nav [aria-current]{color:#334c1b}.nav-actions{display:flex;align-items:center;gap:20px;font-size:12px;white-space:nowrap}.lang-link{color:var(--muted)}.nav-start{padding:10px 16px;border:1px solid #d9dfd0;border-radius:9px;background:#fff}.nav-start span{margin-left:9px}.hero{padding:77px 0 33px;position:relative;text-align:center}.hero-orbit{position:absolute;inset:5% 12% 15%;background:radial-gradient(ellipse at 50% 45%,#e4edcf88,transparent 65%);pointer-events:none;z-index:-1}.eyebrow{font-size:10px;font-weight:650;letter-spacing:1.8px;display:block;color:var(--accent);margin:0 0 20px}.hero .eyebrow{display:flex;align-items:center;justify-content:center;gap:8px}.status-dot{width:6px;height:6px;border-radius:50%;background:#839d50;box-shadow:0 0 0 4px #eaf0df}h1,h2,h3,p{margin-top:0}h1{font-family:var(--display);font-size:clamp(43px,5.5vw,70px);font-weight:520;line-height:1.08;letter-spacing:-3.6px;margin:0 auto 25px}h1 em{font-style:normal;color:var(--accent)}.hero-sub{max-width:585px;margin:0 auto 29px;color:var(--muted);font-size:15px;line-height:1.8;text-wrap:balance}.start-panel{width:min(700px,100%);margin:auto;text-align:left;background:#fff;border:1px solid #d9dfd1;border-radius:19px;box-shadow:0 10px 40px -20px #5a702650,0 2px 5px #3a4d1710;overflow:hidden;transition:border-color .2s,box-shadow .2s}.start-panel:focus-within{border-color:#829b54;box-shadow:0 0 0 4px #dbe8c248,0 15px 40px -25px #506d3050}#heroForm{padding:19px 20px 14px}textarea{display:block;width:100%;resize:none;min-height:75px;max-height:230px;border:0;background:transparent;outline:0;font-size:15px;line-height:1.65;color:var(--ink)}textarea::placeholder{color:#8a9083}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}.input-hint{font-size:11px;color:#89917e}.submit{border:0;background:#253c20;color:#fff;border-radius:10px;padding:10px 12px;display:flex;align-items:center;gap:18px;font-size:12px;font-weight:550;transition:background .2s}.submit:hover{background:#4a6528}.submit span:last-child{font-size:21px;line-height:1}.submit:disabled{opacity:.55}.mode-row{display:flex;gap:6px;flex-wrap:wrap;padding:10px 14px;background:#f7f9f3;border-top:1px solid #edf0e6}.mode{border:1px solid transparent;border-radius:7px;background:none;color:#79816e;padding:7px 10px;font-size:11px;display:flex;align-items:center;gap:7px}.mode.active{background:#fff;color:#364e24;border-color:#e1e7d7;box-shadow:0 1px 3px #24361608}.mode span{font-size:15px;line-height:1}.hero-below{display:flex;justify-content:center;align-items:center;gap:11px;margin:16px 0 33px;font-size:11px;color:#858b7d}.example{border:0;background:none;color:#536943;font-size:11px;padding:4px}.dot-divider{color:#b8beae}.channels{padding:23px 0 0;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:center;gap:32px;font-size:10px;color:#909586}.channels b{font-size:17px;font-weight:650;letter-spacing:-.5px;color:#6c7561}.channels-note{margin-left:24px}.section{padding-top:81px;padding-bottom:78px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:36px}.section-head .eyebrow{margin-bottom:16px}h2{font-family:var(--display);font-size:clamp(29px,3.3vw,42px);font-weight:500;line-height:1.17;letter-spacing:-1.7px;margin:0}.section-head>p{max-width:325px;margin:0;color:var(--muted);font-size:13px;line-height:1.8}.examples{background:#f1f4eb;border-top:1px solid #e8eddf;border-bottom:1px solid #e8eddf;padding-top:60px;padding-bottom:36px}.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:19px}.video-card{position:relative;margin:0;background:#d8ddcf;border-radius:15px;overflow:hidden;aspect-ratio:9/16;box-shadow:0 5px 15px #27371c09}.video-card video{width:100%;height:100%;object-fit:cover}.video-card figcaption{position:absolute;left:0;right:0;top:0;display:flex;justify-content:space-between;padding:15px;color:#fff;background:linear-gradient(#0006,transparent);font-size:11px;pointer-events:none}.caption{font-size:10px;color:#7b8372;margin:17px 0 0}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.path-card{display:flex;flex-direction:column;align-items:start;padding:28px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:transform .2s,border-color .2s}.path-card:hover{transform:translateY(-4px);border-color:#a5b88c}.path-icon{font-size:23px;width:44px;height:44px;display:grid;place-items:center;background:#edf3e3;border-radius:12px;color:#63813d;margin-bottom:25px}h3{font-size:19px;font-weight:550;letter-spacing:-.55px;margin-bottom:12px}.path-card p,.step p,.proof p{font-size:13px;line-height:1.85;color:var(--muted)}.text-link{font-size:12px;color:#4d6634;font-weight:550}.path-card .text-link{margin-top:auto;padding-top:23px}.workflow{border-top:1px solid var(--line)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}.step-no{display:block;padding-bottom:21px;margin-bottom:22px;border-bottom:1px solid #d9dfce;color:#8d9b7b;font-size:12px;font-variant-numeric:tabular-nums}.step h3{font-size:17px}.faq{display:grid;grid-template-columns:1fr 1.5fr;gap:80px;border-top:1px solid var(--line)}.faq h2{margin-bottom:25px}.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}.faq-list details:first-child{padding-top:0}summary{list-style:none;cursor:pointer;font-size:14px;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary span{color:#819466}details[open] summary span{transform:rotate(45deg)}details p{font-size:13px;color:var(--muted);line-height:1.85;margin:15px 25px 0 0}.closing{background:#263b23;color:#f6faef;border-radius:21px;display:flex;align-items:center;justify-content:space-between;gap:35px;padding:49px 55px;margin-top:10px;margin-bottom:63px;position:relative;overflow:hidden}.closing:after{content:'';position:absolute;width:240px;height:240px;border:1px solid #88a75622;border-radius:50%;right:26%;top:-100px;pointer-events:none}.closing .eyebrow{color:#adc18d}.closing h2{font-size:36px}.button-light{background:#e6f0d4;color:#304b21;border-radius:9px;padding:13px 21px;font-size:12px;white-space:nowrap}.footer-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:30px;border-bottom:1px solid var(--line)}.footer-top nav{display:flex;gap:25px;font-size:11px;color:var(--muted)}.footer-bottom{display:flex;flex-wrap:wrap;gap:22px;font-size:10px;color:#858c7c;padding:23px 0 35px}.footer-bottom span:first-child{margin-right:auto}.proof{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;align-items:center;border-top:1px solid var(--line)}.proof h2{margin-bottom:22px}.research-board{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:18px;background:#edf1e5;border-radius:20px}.research-board img{width:100%;aspect-ratio:9/13;object-fit:cover;border-radius:9px}.reference-pair{display:flex;align-items:center;gap:18px}.reference-pair figure{margin:0;flex:1;min-width:0}.reference-pair video{width:100%;max-height:370px;border-radius:10px;background:#e8ecdf}.reference-pair figcaption{font-size:11px;color:var(--muted);margin-top:12px}#startError{color:#a3412b;font-size:12px;margin:10px 0 0}
html[lang=zh-CN] h1{font-size:clamp(38px,4.8vw,61px);letter-spacing:-1.8px;line-height:1.25}html[lang=zh-CN] h2{letter-spacing:-1px;line-height:1.35}html[lang=zh-CN] .hero-sub{max-width:590px;line-height:1.9}
@media(min-width:1500px){.hero{padding-top:100px;padding-bottom:40px}}
@media(max-width:1000px){.desktop-nav{gap:14px;font-size:11px}.nav{gap:18px}.brand{font-size:24px}.nav-actions{gap:12px}.channels-note{display:none}.path-card{padding:22px}.proof{gap:35px}.section-head{gap:30px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.nav{height:67px}.desktop-nav{display:none}.brand img{width:25px;height:29px}.brand{font-size:25px}.nav-start{padding:8px 12px}.hero{padding-top:51px;padding-bottom:28px}h1{font-size:42px;letter-spacing:-2px;line-height:1.12}.hero-sub{font-size:14px;max-width:480px;margin-bottom:24px}.eyebrow{font-size:9px;letter-spacing:1.3px}.start-panel{border-radius:15px}#heroForm{padding:16px}.input-hint{max-width:185px;font-size:10px}textarea{font-size:14px;min-height:90px}.mode-row{padding:9px 8px;gap:2px}.mode{font-size:10px;padding:7px}.hero-below{font-size:10px;margin-bottom:24px}.channels{gap:25px}.channels b{font-size:15px}.section{padding-top:48px;padding-bottom:45px}.section-head{display:block;margin-bottom:27px}.section-head>p{margin-top:20px;max-width:450px}.video-grid{grid-template-columns:repeat(2,1fr);gap:12px}.video-card{border-radius:11px}.video-card figcaption{padding:10px;font-size:10px}.path-grid{grid-template-columns:1fr;gap:12px}.path-card{padding:24px}.path-icon{margin-bottom:17px}.path-card .text-link{padding-top:8px}.steps{grid-template-columns:1fr;gap:21px}.step-no{padding-bottom:10px;margin-bottom:16px}.step p{margin-bottom:0}.faq{grid-template-columns:1fr;gap:28px}.faq h2 br{display:none}.closing{padding:32px 27px;display:block;margin-bottom:42px}.closing h2{font-size:30px}.button-light{display:inline-block;margin-top:27px}.footer-top{align-items:start;gap:22px}.footer-top nav{flex-direction:column;gap:12px;text-align:right}.footer-bottom{gap:12px 18px}.footer-bottom span:first-child{width:100%;margin:0}.proof{grid-template-columns:1fr;gap:25px}.research-board{padding:12px;gap:9px}.reference-pair video{max-height:320px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
/* One visual idea per feature card. */
.path-card{padding:0;overflow:hidden}.path-copy{padding:25px;display:flex;flex:1;flex-direction:column}.path-copy p{margin-bottom:0}.simple-art{width:100%;height:245px;display:flex;align-items:center;justify-content:center;gap:16px;padding:26px;background:#edf2e4;border-bottom:1px solid #e4e9db;flex-shrink:0}.simple-store{background:#eef3e5}.simple-research{background:#eef0e8;gap:10px}.simple-reference{background:#f3eee4}.simple-link{display:flex;align-items:center;gap:9px;background:#fff;border:1px solid #dce5d0;border-radius:10px;padding:15px 10px;box-shadow:0 6px 18px #435a3010;font-size:15px;color:#64813d;min-width:0}.simple-link span{font-size:11px;color:#6d7861;white-space:nowrap}.simple-arrow{font-size:23px;color:#84966c;flex-shrink:0}.simple-output{width:85px;height:151px;object-fit:cover;border:4px solid #fff;border-radius:10px;box-shadow:0 7px 17px #435a301c;flex-shrink:0}.simple-source{width:130px;max-width:44%;aspect-ratio:16/9;object-fit:cover;border:4px solid #fff;border-radius:9px;box-shadow:0 7px 17px #594d291c}.simple-research img{width:calc((100% - 20px)/3);height:155px;object-fit:cover;border:4px solid #fff;border-radius:9px;box-shadow:0 7px 17px #435a3017}.simple-research img:nth-child(2){transform:translateY(-8px)}.section-head>div:only-child{width:100%}.hero{padding-top:65px}.hero-sub{margin-top:24px}.channels{gap:36px}.input-hint:empty{display:none}.composer-bottom:has(.input-hint:empty){justify-content:flex-end}
@media(max-width:1000px) and (min-width:761px){.simple-art{padding:18px;gap:9px}.simple-link{padding:12px 6px;gap:4px}.simple-link span{font-size:9px}.simple-output{width:67px;height:120px}.simple-arrow{font-size:17px}.path-copy{padding:22px}}
@media(max-width:760px){.hero{padding-top:46px}.path-card{padding:0}.simple-art{height:230px}.simple-link span{font-size:12px}.simple-output{width:89px;height:158px}.path-copy{padding:25px}.simple-research img{max-width:85px}.simple-reference{gap:20px}}

/* Brand direction: soft light, generous scale, and a contrasting creative gallery. */
:root{--bg:#fcfcf9;--ink:#23281f;--muted:#73796c;--accent:#59763a}
.site-header{background:rgba(252,252,249,.86);border-bottom:0}.nav{height:84px}.nav-start{border-radius:100px;background:#273d24;color:white;border-color:transparent;padding:11px 19px}.desktop-nav{font-size:13px}.brand{letter-spacing:-1.4px}
.hero{isolation:isolate;padding:91px 0 42px}.hero-orbit{z-index:-1;inset:-30px -32px 0;background:radial-gradient(ellipse at 24% 63%,#dfecc5a6,transparent 44%),radial-gradient(ellipse at 80% 60%,#f2e4cbb0,transparent 42%),radial-gradient(ellipse at 50% 78%,#e5eddc,transparent 50%);filter:blur(25px)}
h1{font-size:clamp(50px,6.5vw,86px);font-weight:530;letter-spacing:-4.5px;line-height:1.04}.hero-sub{font-size:16px;max-width:560px;margin-top:26px;margin-bottom:34px}html[lang=zh-CN] h1{font-size:clamp(44px,5.9vw,72px);line-height:1.2;letter-spacing:-2.5px}html[lang=zh-CN] .hero-sub{max-width:520px}
.start-panel{border-radius:24px;border:1px solid #fff;box-shadow:0 22px 70px -30px #4e653b66,0 0 0 1px #495c2810}#heroForm{padding:23px 24px 17px}textarea{min-height:83px}.mode-row{background:#fafbf7;padding:12px 17px}.mode{font-size:12px}.submit{border-radius:100px;padding:11px 18px}.hero-below{margin:20px 0 44px;font-size:12px}.example{font-size:12px}.channels{border-top:0;padding:0;gap:42px}.channels b{font-size:18px;color:#8c9482;font-weight:500}
.section{padding-top:100px;padding-bottom:100px}.section-head{margin-bottom:44px}h2{font-size:clamp(32px,3.6vw,46px);font-weight:520;letter-spacing:-1.8px}
.examples{margin:26px 24px 0;border:0;border-radius:32px;background:radial-gradient(ellipse at 70% 0,#3c4c30,transparent 65%),#20291e;color:#f5f7ee;padding:58px 0 64px}.examples .wrap{width:min(1160px,calc(100% - 64px))}.examples h2{font-size:clamp(28px,3.3vw,42px)}.video-grid{gap:22px;align-items:start}.video-card{border-radius:18px;border:1px solid #ffffff1c;box-shadow:0 16px 32px #0003}.video-card:nth-child(even){margin-top:30px}.video-card figcaption{padding:18px;font-size:12px}
.path-grid{gap:24px}.path-card{border:0;background:transparent;border-radius:22px;overflow:visible}.path-card:hover{transform:translateY(-5px)}.path-copy{padding:27px 3px 0}.path-copy h3{font-size:23px;font-weight:520;margin-bottom:10px}.path-copy p{font-size:14px;line-height:1.65}.path-card .text-link{font-size:13px;padding-top:20px}.simple-art{height:300px;border-radius:22px;overflow:hidden;position:relative;isolation:isolate;border:1px solid #e6e9df;background:#f0f3e9;padding:25px;gap:12px}.simple-art:before{content:'';position:absolute;inset:16px -15px -25px;z-index:-1;border-radius:50%;background:radial-gradient(ellipse,#b4cb8b80,transparent 65%);filter:blur(22px)}.simple-art:after{content:'';position:absolute;left:10%;right:10%;bottom:24px;height:20px;border-radius:50%;background:#42502d16;filter:blur(13px);z-index:-1}
.simple-store{background:linear-gradient(145deg,#f6f8ef,#e9efd9)}.simple-link{position:absolute;left:7%;top:24%;z-index:2;padding:16px;border-radius:13px;transform:rotate(-5deg);box-shadow:0 12px 26px #4755331c}.simple-link span{font-size:12px}.simple-store .simple-output{position:absolute;right:13%;top:18%;width:115px;height:204px;transform:rotate(8deg);border-width:5px;border-radius:16px;box-shadow:0 18px 30px #34432633}.simple-store .simple-arrow{position:absolute;left:28%;top:54%;font-size:32px;transform:rotate(25deg)}
.simple-research{background:linear-gradient(135deg,#f1f2f7,#e7e7f0);gap:0}.simple-research:before{background:radial-gradient(ellipse,#b9b3d380,transparent 65%)}.simple-research img{width:34%;height:187px;border:4px solid white;border-radius:13px;box-shadow:0 16px 26px #34314325}.simple-research img:nth-child(1){transform:translate(10px,18px) rotate(-12deg)}.simple-research img:nth-child(2){transform:translateY(-9px);z-index:2}.simple-research img:nth-child(3){transform:translate(-10px,18px) rotate(12deg)}
.simple-reference{background:linear-gradient(145deg,#faf4eb,#efdfd0)}.simple-reference:before{background:radial-gradient(ellipse,#e6b98780,transparent 65%)}.simple-source{position:absolute;left:8%;top:27%;width:145px;max-width:46%;border-radius:13px;transform:rotate(-7deg);box-shadow:0 14px 26px #63452926}.simple-reference .simple-output{position:absolute;right:9%;top:19%;width:105px;height:187px;transform:rotate(7deg);border-radius:14px;box-shadow:0 15px 30px #63452930}.simple-reference .simple-arrow{position:absolute;left:31%;top:61%;font-size:30px;transform:rotate(-12deg)}
.workflow{border:0;background:#f1f3eb;border-radius:28px;padding:58px}.steps{gap:38px}.step-no{font-size:30px;font-weight:400;color:#a3af94;border:0;padding:0;margin-bottom:22px;letter-spacing:-1px}.step h3{font-size:19px}.step p{font-size:14px}.faq{border:0;padding-top:105px;padding-bottom:95px}.faq-list details{padding:24px 0}summary{font-size:16px}.closing{padding:66px 60px;border-radius:28px;background:radial-gradient(ellipse at 90% 90%,#647f3b,transparent 65%),#263b23}.closing h2{font-size:42px}.button-light{font-size:14px;border-radius:100px;padding:15px 25px}.closing:after{width:330px;height:330px;right:15%;top:-160px;border-color:#cbe4a526}.footer-bottom{font-size:11px}.footer-top nav{font-size:12px}
@media(min-width:1500px){.hero{padding-top:110px}}
@media(max-width:1000px) and (min-width:761px){.simple-art{height:260px}.simple-store .simple-output{right:9%;width:94px;height:168px}.simple-link{left:5%;padding:12px}.simple-link span{font-size:10px}.simple-reference .simple-output{right:7%;width:88px;height:156px}.simple-research img{height:157px}.workflow{padding:40px}.nav-actions{gap:10px}.desktop-nav{font-size:11px}}
@media(max-width:760px){.nav{height:70px}.nav-start{padding:9px 13px}.hero{padding:56px 0 30px}.hero-orbit{inset:0 -18px}h1{font-size:50px;letter-spacing:-2.8px}html[lang=zh-CN] h1{font-size:44px;letter-spacing:-1.7px}.hero-sub{font-size:14px;margin-top:24px;margin-bottom:26px}.start-panel{border-radius:20px}#heroForm{padding:18px}.mode-row{padding:10px 8px}.mode{font-size:10px;padding:7px}.hero-below{font-size:11px;gap:7px;margin-bottom:30px}.example{font-size:11px}.channels b{font-size:16px}.examples{margin:12px 10px 0;border-radius:22px;padding:35px 0}.examples .wrap{width:calc(100% - 30px)}.video-grid{gap:12px}.video-card{border-radius:12px}.video-card:nth-child(even){margin-top:20px}.section{padding-top:58px;padding-bottom:58px}.section-head{margin-bottom:28px}.path-grid{gap:36px}.simple-art{height:290px}.simple-research img{max-width:105px;height:188px}.path-copy{padding:23px 4px 0}.path-copy h3{font-size:22px}.path-card .text-link{padding-top:15px}.workflow{padding:32px 25px}.steps{gap:30px}.step-no{margin-bottom:12px;font-size:26px}.faq{padding-top:60px;padding-bottom:55px}.closing{padding:38px 28px}.closing h2{font-size:31px}.footer-top nav{font-size:11px}}