@charset "UTF-8";
:root{color-scheme:light;--paper:#f8f7f1;--white:#fffefa;--ink:#233b30;--green:#234e40;--muted:#657065;--line:#dfe2d6;--soft:#edf0e5;--lime:#c5dca8;--radius:24px;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:36px}body{margin:0;line-height:1.7}a{color:inherit;text-decoration:none;touch-action:manipulation}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible{outline:3px solid #a26324;outline-offset:5px}a:active{opacity:.75}img{display:block;max-width:100%}h1,h2,h3,p,figure{margin:0}h1,h2,h3{text-wrap:balance}p{overflow-wrap:break-word}::selection{background:var(--lime);color:var(--ink)}.container{width:min(1180px,calc(100% - 96px));margin-inline:auto}.skip-link{position:absolute;top:12px;left:12px;transform:translateY(-180%);padding:12px 20px;background:var(--green);color:white;z-index:10}.skip-link:focus{transform:none}.header{border-bottom:1px solid var(--line)}.header-inner{min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:var(--green);flex-shrink:0;font-size:23px;font-weight:700;letter-spacing:1px;line-height:1.3}.brand-mark{width:45px;height:45px;object-fit:contain;border-radius:10px;background:#fff}.brand small{display:block;font-size:9px;font-weight:500;letter-spacing:2.5px;margin-top:5px}.header nav{display:flex;gap:28px;align-items:center}.header nav a{font-size:14px;color:var(--muted);padding-block:12px;transition:color .2s}.header nav a:hover,.text-link:hover{color:var(--green)}.nav-cta{display:flex;align-items:center;justify-content:center;gap:20px;padding:10px 18px;min-height:44px;border:1px solid #bdc8b8;border-radius:6px;font-size:14px;white-space:nowrap;transition:background .2s}.nav-cta:hover{background:var(--soft)}.hero{display:grid;grid-template-columns:1.02fr 1fr;gap:36px;align-items:center;padding-block:74px 82px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:1.5px;display:flex;gap:12px;align-items:center}.status-dot{width:7px;height:7px;border-radius:50%;background:#59804e}.hero h1{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(42px,4.6vw,66px);line-height:1.3;font-weight:700;letter-spacing:-1.6px;margin:25px 0 24px}.hero h1 span{color:var(--green)}.hero-description{color:var(--muted);font-size:16px;line-height:1.95}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:52px;padding:14px 22px;border-radius:6px;font-size:14px;transition:background .2s,transform .2s}.button-primary{background:var(--green);color:#fffefa}.button-primary:hover{background:#173f31;transform:translateY(-2px)}.text-link{display:inline-flex;align-items:center;gap:20px;font-size:14px;padding-block:12px}.hero-note{display:flex;gap:12px;align-items:center;margin-top:44px;font-size:12px;line-height:1.9}.hero-note p span{color:var(--muted);font-size:11px;letter-spacing:.5px}.note-line{width:24px;height:1px;background:#92a18b}.hero-visual{background:#edf0e5;border:1px solid #e0e5d7;border-radius:var(--radius);padding:23px 22px 18px;min-width:0;transform:rotate(1deg)}.visual-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;font-weight:600;padding-inline:3px}.mono{font-family:Consolas,monospace;font-size:10px;font-weight:400;letter-spacing:1px;color:var(--muted)}.food-diagram{position:relative;display:grid;place-items:center;aspect-ratio:560/450;margin-top:4px;padding:35px 30px 55px;background-image:radial-gradient(#cbd6c9 1px,transparent 1px);background-size:22px 22px}.food-plate{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:86%;aspect-ratio:1.12;padding:18px;background:#fffdf7;border:1px solid #dce0d2;border-radius:40px;transform:rotate(-9deg);box-shadow:0 18px 30px #273c2f1c}.food-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;border:1px dashed #a7b79b;border-radius:22px;padding:15px;background:#f3f2e7}.food-cell img{width:clamp(34px,5vw,64px);height:auto;opacity:.7}.food-cell span{font-size:12px;letter-spacing:2px}.food-vegetable{background:#e6edda}.food-meat{grid-column:1/-1;flex-direction:row;background:#f3e8dc;border-color:#b7a58d}.food-meat img{width:42px}.diagram-label{position:absolute;bottom:12px;display:flex;align-items:center;gap:8px;padding:7px 14px;border-radius:20px;background:var(--white);font-size:11px;color:var(--green);box-shadow:0 4px 12px #233b300a}.hero-visual figcaption{border-top:1px solid #d9e0ce;display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:14px;font-size:10px;color:var(--muted)}.visual-legend{display:flex;align-items:center;gap:6px}.visual-legend i{width:7px;height:7px;border:1px solid #5d8748;border-radius:50%}.institution-bar{border-block:1px solid var(--line)}.institution-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;font-size:13px}.institution-inner p{color:var(--muted)}.institution-inner span{font-weight:500}.institution-inner b{font-weight:400;color:#a6b09c;margin-inline:20px}.section{padding-block:94px}.section-heading .eyebrow,.section-top .eyebrow{color:var(--muted);margin-bottom:20px}h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:36px;line-height:1.5;font-weight:600;letter-spacing:-.7px}#about{display:grid;grid-template-columns:1fr 1.18fr;gap:90px}.about-content{padding-top:35px}.about-content p{font-size:14px;color:var(--muted);line-height:1.95}.about-content .section-lead{font-size:18px;color:var(--ink);line-height:1.85;margin-bottom:18px}.topic-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.topic-list span{font-size:11px;border:1px solid #d6ddcd;border-radius:5px;padding:5px 10px;color:#4d654e}.process-section{background:var(--soft);padding-block:76px}.section-top{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:36px}.section-top>p{font-size:13px;color:var(--muted);line-height:1.9;padding-bottom:5px}.process-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.process-card{background:var(--paper);border:1px solid #dfe4d5;border-radius:12px;padding:28px}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.step-number{font-family:Georgia,serif;font-size:34px;color:#63775a;line-height:1}.card-top .icon{width:30px;height:30px;opacity:.75}.process-card h3{font-size:19px;font-weight:600;margin-bottom:12px}.process-card p{font-size:13px;color:var(--muted);line-height:1.95}.card-caption{display:block;margin-top:27px;padding-top:16px;border-top:1px solid var(--line);font-size:10px;letter-spacing:1px;color:#59694f}.process-note{margin-top:22px;font-size:11px;color:#65705e;line-height:1.9}.mini-panel{background:var(--green);border-radius:var(--radius);padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:72px;color:var(--paper);position:relative;overflow:hidden}.mini-copy .eyebrow{color:#d3e3bd;margin-bottom:20px}.mini-copy h2{font-size:34px}.mini-copy>p:not(.eyebrow){font-size:13px;line-height:2;color:#d4dfd3;margin-top:20px;max-width:340px}.wechat-search{display:flex;align-items:center;gap:12px;width:fit-content;margin-top:30px;padding:12px 18px;border:1px solid #6a8b70;border-radius:7px;background:#2c5848;font-size:12px}.wechat-search img{width:18px;height:18px;filter:invert(89%) sepia(18%) saturate(428%) hue-rotate(35deg)}.wechat-search strong{font-size:15px;font-weight:600;margin-left:12px;color:#eff3e7;letter-spacing:1px}.mini-steps{list-style:none;margin:0;padding:12px 0;display:flex;flex-direction:column;gap:30px;justify-content:center}.mini-steps li{display:flex;align-items:flex-start;gap:18px}.mini-number{border:1px solid #7c9a79;color:var(--lime);font-family:Georgia,serif;width:32px;height:32px;flex-shrink:0;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;margin-top:2px}.mini-steps h3{font-size:16px;font-weight:500;line-height:1.8}.mini-steps p{font-size:12px;line-height:1.95;color:#d4dfd3;margin-top:7px}.team-section{padding-block:0 96px}.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.team-card{border:1px solid var(--line);border-radius:12px;padding:32px;background:var(--white)}.team-role{font-size:11px;letter-spacing:1px;color:var(--muted)}.team-card h3{font-family:"Songti SC","STSong","SimSun",serif;font-size:28px;font-weight:600;margin-block:14px}.team-card h3 span{font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:12px;color:var(--muted);font-weight:400;margin-left:14px;display:inline-block}.team-card p{font-size:13px;line-height:1.95;color:var(--muted)}.team-bottom{border-top:1px solid var(--line);margin-top:24px;padding-top:16px;font-size:11px;color:#527049}.footer{border-top:1px solid var(--line);padding-block:34px;background:#f0f1e8}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.footer-brand{font-size:18px;letter-spacing:1px;font-weight:600}.footer-brand span{font-size:9px;letter-spacing:1.5px;font-weight:400;color:var(--muted);margin-left:15px}.footer p{font-size:11px;color:var(--muted);margin-top:8px}.footer-credit{text-align:right}.footer-credit a{display:inline-flex;align-items:center;gap:16px;font-size:11px;padding:12px 0;min-height:44px}
@media(min-width:1500px){.hero{padding-block:100px}.hero h1{font-size:68px}}
@media(max-width:1024px){.container{width:calc(100% - 64px)}.header nav{gap:16px}.hero{gap:22px;padding-block:55px}.hero h1{font-size:48px}.hero-description{font-size:14px}.hero-visual{padding:20px 12px 16px}.hero-visual figcaption{flex-wrap:wrap}.hero-actions{gap:18px}.hero-note{margin-top:30px}.section{padding-block:72px}#about{gap:40px}.section-top>p{max-width:260px}.process-card{padding:22px}.mini-panel{padding:40px;gap:40px}.mini-copy h2{font-size:30px}.team-card{padding:26px}.team-card h3 span{display:block;margin:6px 0 0}.team-section{padding-bottom:72px}}
@media(max-width:760px){.container{width:calc(100% - 40px)}.header-inner{min-height:84px;flex-wrap:wrap;gap:8px 12px;padding-block:16px}.brand{font-size:20px}.brand-mark{width:38px;height:38px}.brand small{font-size:8px;letter-spacing:2px}.header nav{order:3;flex-basis:100%;justify-content:space-between;gap:8px;border-top:1px solid var(--line);margin-top:10px;padding-top:4px}.header nav a{font-size:12px;min-height:44px;display:flex;align-items:center}.nav-cta{font-size:12px;padding:9px 12px;gap:12px}.hero{grid-template-columns:1fr;gap:40px;padding-block:42px 40px}.eyebrow{font-size:10px;letter-spacing:1px;gap:9px}.hero h1{font-size:clamp(39px,8.9vw,56px);margin-block:22px;letter-spacing:-1px}.hero-description{font-size:14px;line-height:1.95;max-width:440px}.desktop-break{display:none}.hero-actions{margin-top:26px;gap:24px}.button{font-size:13px;min-height:50px;padding:13px 18px;gap:16px}.hero-note{margin-top:26px}.hero-visual{max-width:520px;width:100%;justify-self:center;transform:none;padding:20px 16px 16px}.visual-heading{font-size:11px}.hero-visual figcaption{font-size:9px}.institution-inner{align-items:flex-start;flex-direction:column;gap:6px;padding-block:20px;min-height:0;font-size:11px}.institution-inner b{margin-inline:8px}.institution-inner span{line-height:1.9}.section{padding-block:55px}h2{font-size:29px}.section-heading .eyebrow,.section-top .eyebrow{margin-bottom:15px}#about{grid-template-columns:1fr;gap:20px}.about-content{padding-top:0}.about-content .section-lead{font-size:16px}.about-content p{font-size:13px}.topic-list{gap:8px}.topic-list span{font-size:10px}.section-top{align-items:flex-start;flex-direction:column;gap:16px;margin-bottom:26px}.section-top>p{font-size:12px;max-width:none}.process-section{padding-block:48px}.process-grid{grid-template-columns:1fr;gap:14px}.process-card{padding:24px}.card-top{margin-bottom:18px}.card-caption{margin-top:20px}.process-note{font-size:10px}.mini-panel{grid-template-columns:1fr;gap:32px;padding:30px 24px;border-radius:18px}.mini-copy h2{font-size:29px}.mini-copy>p:not(.eyebrow){font-size:13px;max-width:none}.wechat-search{margin-top:24px}.mini-steps{border-top:1px solid #52765e;padding-top:30px;gap:26px}.mini-steps p{font-size:12px}.team-grid{grid-template-columns:1fr;gap:16px}.team-card{padding:26px}.team-card h3{font-size:27px}.team-card h3 span{display:inline-block;margin:0 0 0 12px;font-size:11px}.team-section{padding-bottom:54px}.footer{padding-block:30px}.footer-inner{flex-direction:column;align-items:flex-start;gap:20px}.footer-credit{text-align:left}.footer-credit p{margin-top:0}.footer-brand span{margin-left:12px}}
@media(max-width:360px){.container{width:calc(100% - 32px)}.hero-actions{gap:15px}.text-link{gap:10px}.brand{gap:8px}.brand-mark{width:34px;height:34px}.nav-cta{gap:7px;padding-inline:10px}.mini-panel{padding-inline:20px}.team-card h3 span{display:block;margin:7px 0 0}}
@media(max-width:760px){.food-diagram{aspect-ratio:1.1;padding:24px 16px 52px}.food-plate{width:82%;padding:12px;gap:10px;border-radius:28px}.food-cell{padding:10px;border-radius:16px}.food-cell img{width:32px}.food-meat img{width:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}