@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:500;font-display:swap;src:url(/welcome/assets/noto-serif-sc-chinese-simplified-500-normal-DL_A5r9p.woff2) format("woff2")}@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:600;font-display:swap;src:url(/welcome/assets/noto-serif-sc-chinese-simplified-600-normal-BogBFFgE.woff2) format("woff2")}@font-face{font-family:Noto Sans SC;font-style:normal;font-weight:400;font-display:swap;src:url(/welcome/assets/noto-sans-sc-chinese-simplified-400-normal-Ba7eOkfT.woff2) format("woff2")}@font-face{font-family:Noto Sans SC;font-style:normal;font-weight:500;font-display:swap;src:url(/welcome/assets/noto-sans-sc-chinese-simplified-500-normal-z_irmif2.woff2) format("woff2")}@font-face{font-family:Noto Sans SC;font-style:normal;font-weight:600;font-display:swap;src:url(/welcome/assets/noto-sans-sc-chinese-simplified-600-normal-CI4uXaOp.woff2) format("woff2")}*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:Noto Sans SC,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}:root{color:#111512;background:#f7f8f6;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}*{box-sizing:border-box}html{min-width:320px;scroll-behavior:smooth;background:#f7f8f6}body{min-width:320px;margin:0;background:#f7f8f6}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}.welcome-page{overflow:hidden;background:#eff5f0}.section-shell{width:min(1180px,calc(100% - 64px));margin:0 auto}.hero{min-height:min(900px,calc(100svh - 42px));position:relative;isolation:isolate;overflow:hidden;background:#eef1ed}.hero-media{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;overflow:hidden}.hero-video,.hero-fallback{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;-o-object-fit:cover;object-fit:cover;-o-object-position:center 62%;object-position:center 62%}.hero-video{opacity:0;transition:opacity .35s ease}.hero-video.is-ready{opacity:.94}.hero-fallback{z-index:-2;background:linear-gradient(160deg,#f7f8f6 35%,#dce7e2 72%,#b9cdbf)}.hero-wash{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#f7f8f6f5,#f7f8f6c2 30%,#f7f8f614 63%,#f7f8f6eb)}.welcome-header{width:min(1320px,calc(100% - 64px));margin:0 auto;min-height:88px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:2}.welcome-brand{display:inline-flex;align-items:center;width:82px;height:62px;line-height:1;letter-spacing:0}.welcome-brand-logo{display:block;width:100%;height:100%;-o-object-fit:contain;object-fit:contain;mix-blend-mode:multiply}.welcome-nav{position:absolute;left:50%;display:flex;gap:34px;margin:0;transform:translate(-50%);font-size:14px;color:#667068}.welcome-nav a,.welcome-footer nav a{transition:color .2s ease}.welcome-nav a:hover,.welcome-footer nav a:hover{color:#2f6b4f}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:0 22px;border-radius:7px;font-size:14px;transition:transform .22s ease,background-color .22s ease,color .22s ease}.button:hover{transform:translateY(-2px)}.button:active{transform:scale(.98)}.button:focus-visible,.text-link:focus-visible,.welcome-nav a:focus-visible,.welcome-brand:focus-visible,.menu-button:focus-visible,.post-preview:focus-visible{outline:2px solid #2f6b4f;outline-offset:4px}.button-dark{color:#fff;background:#111512}.button-dark:hover{background:#2f6b4f}.header-cta{min-height:42px;padding:0 17px}.header-download{margin-left:auto;margin-right:24px;white-space:nowrap;font-size:13px}.menu-button{display:none;border:0;background:transparent;padding:10px;color:#111512;cursor:pointer}.mobile-menu{display:none}.hero-copy{width:min(860px,calc(100% - 48px));margin:0 auto;padding:clamp(100px,16vh,170px) 0 190px;text-align:center}.eyebrow,.section-index,.section-kicker{color:#667068;font-size:12px;letter-spacing:.08em}.eyebrow{margin:0 0 24px}.hero-copy h1{margin:0;color:#111512;font:600 88px/1 STZhongsong,华文中宋,"Noto Serif SC",Songti SC,serif}.hero-statement{margin:28px auto 0;color:#3f4942;font:500 38px/1.35 "Noto Serif SC",Songti SC,serif;text-wrap:balance}.hero-actions{display:flex;align-items:center;justify-content:center;gap:28px;margin-top:42px}.text-link{display:inline-flex;align-items:center;gap:7px;color:#2f6b4f;font-size:14px;border-bottom:1px solid #91a99a;padding-bottom:4px;transition:color .2s ease,border-color .2s ease}.text-link:hover{color:#111512;border-color:#111512}.scroll-cue{position:absolute;left:50%;bottom:30px;display:flex;flex-direction:column;align-items:center;gap:11px;transform:translate(-50%);color:#667068;font-size:11px;letter-spacing:.08em}.scroll-cue i{display:block;width:1px;height:38px;background:#667068}.intro-section{padding:128px 0 112px}.section-kicker{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #d7ded8;padding-top:13px;text-transform:uppercase}.section-kicker a{display:inline-flex;align-items:center;gap:6px;color:#2f6b4f;text-transform:none;letter-spacing:0}.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:100px;align-items:end;margin-top:54px}.intro-grid h2,.capability-copy h2,.evidence-title,.posts-heading h2,.trust-copy h2,.final-section h2{margin:0;font:500 48px/1.2 "Noto Serif SC",Songti SC,serif;letter-spacing:0}.intro-grid em,.trust-copy em{color:#667068;font-style:normal}.intro-grid p,.capability-copy p,.trust-copy p,.posts-heading p{margin:0;color:#667068;font-size:17px;line-height:1.78}.capability-section{padding-bottom:128px}.capability-row{display:grid;grid-template-columns:.8fr 1.2fr;gap:88px;align-items:center;padding:76px 0;border-top:1px solid #d7ded8}.capability-row.is-reverse{grid-template-columns:1.2fr .8fr}.capability-row.is-reverse .capability-copy{order:2}.capability-row.is-reverse .visual-frame{order:1}.section-index{display:block;margin-bottom:20px;color:#2f6b4f}.capability-copy h2{font-size:36px;margin-bottom:20px}.capability-copy p{max-width:440px;margin-bottom:25px}.visual-frame{min-height:340px;position:relative;overflow:hidden;border:1px solid #d7ded8;border-radius:8px;background:#eef1ed;box-shadow:0 24px 60px #24362b14;transition:transform .3s ease,box-shadow .3s ease}.visual-frame:hover{transform:translateY(-4px);box-shadow:0 30px 70px #24362b21}.visual-topline,.source-title,.source-line{display:flex;align-items:center;justify-content:space-between}.visual-topline{padding:20px 23px;border-bottom:1px solid #d7ded8;font-size:12px;color:#667068}.visual-feed-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:13px;padding:23px;align-items:start}.mini-post{display:grid;gap:10px;color:#111512;font-size:13px}.mini-post strong{font-weight:600;line-height:1.45}.mini-post small{color:#667068;font-size:11px}.mini-image{display:block;width:100%;aspect-ratio:4 / 5;border-radius:5px;background:#ccdacf;-o-object-fit:cover;object-fit:cover}.mini-post-tall .mini-image{aspect-ratio:3 / 4}.image-sage,.post-cover.sage{background:linear-gradient(145deg,#b7cdbb,#e3e9da 52%,#94b0a1)}.image-sky,.post-cover.sky{background:linear-gradient(145deg,#b9d1d6,#e8ece8 50%,#8eaeb1)}.image-sand,.post-cover.sand{background:linear-gradient(145deg,#ded0b4,#f0e9da 52%,#bc9d76)}.post-cover.mint{background:linear-gradient(145deg,#c9ddd0,#f0f3eb 52%,#89a58f)}.visual-requirements{padding:30px;background:#f8faf7}.visual-search{display:flex;gap:10px;align-items:center;height:45px;padding:0 15px;border:1px solid #d7ded8;border-radius:5px;color:#8a948b;font-size:13px;background:#fff}.visual-search span:first-child{font-size:22px;line-height:1}.visual-result{display:grid;grid-template-columns:58px 1fr auto;gap:17px;align-items:center;padding:22px 0;border-bottom:1px solid #d7ded8}.major-mark{display:grid;place-content:center;aspect-ratio:1;border-radius:5px;color:#2f6b4f;background:#dfece2;font:600 12px/1.4 "Noto Serif SC",serif;text-align:center}.visual-result small,.visual-result strong{display:block}.visual-result small{color:#667068;font-size:11px;margin-bottom:5px}.visual-result strong{font:500 18px "Noto Serif SC",serif}.visual-result p{display:flex;gap:6px;margin:9px 0 0}.visual-result b{padding:3px 7px;color:#2f6b4f;border-radius:3px;background:#e5f0e7;font-size:11px;font-weight:500}.verified-mark{color:#2f6b4f;font-size:11px;white-space:nowrap}.visual-result.faded{opacity:.62}.visual-year{position:absolute;right:30px;bottom:21px;color:#667068;font-size:11px}.visual-source{padding:27px;background:#e9efe9}.source-title{padding-bottom:23px;border-bottom:1px solid #cdd8ce;color:#667068;font-size:13px}.source-title strong{color:#2f6b4f;font:500 28px "Noto Serif SC",serif}.source-chart{display:flex;align-items:end;gap:12px;height:135px;padding:24px 8px 16px;border-bottom:1px solid #cdd8ce}.source-chart i{display:block;flex:1;min-height:20px;background:#7b9d87}.source-chart i:nth-child(2n){background:#afc4b3}.source-line{padding:13px 0 0;color:#667068;font-size:12px}.source-line b{color:#2f6b4f;font-size:11px;font-weight:500}.evidence-section{padding:106px 0 128px;background:#e8f1e9}.evidence-title{margin-top:52px;font-size:54px}.evidence-path{display:grid;grid-template-columns:1fr 80px 1fr 80px 1fr;align-items:center;margin-top:78px}.evidence-path>div{display:grid;gap:8px}.evidence-path span{color:#2f6b4f;font-size:12px;letter-spacing:.08em}.evidence-path strong{font:500 25px "Noto Serif SC",serif}.evidence-path small{color:#667068;font-size:14px}.evidence-path i{height:1px;background:#99afa0}.posts-section{padding:128px 0}.posts-heading{display:flex;align-items:end;justify-content:space-between;gap:50px;margin:54px 0 44px}.posts-heading p{max-width:330px;font-size:15px}.post-grid{-moz-columns:4 180px;columns:4 180px;-moz-column-gap:18px;column-gap:18px}.post-preview{display:inline-block;width:100%;margin:0 0 30px;-moz-column-break-inside:avoid;break-inside:avoid}.post-cover{min-height:220px;position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;overflow:hidden;padding:15px;border-radius:6px;color:#33443a;background:#e9eee8}.post-cover img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.post-cover:after{position:absolute;top:0;right:0;bottom:0;left:0;content:"";background:linear-gradient(180deg,#1115120a,#11151238)}.post-cover span,.post-cover svg{position:relative;z-index:1}.post-cover span{font-size:11px}.post-cover svg{align-self:flex-end;opacity:.55}.post-info{display:grid;gap:8px;padding:13px 2px 0}.post-info strong{font-size:14px;line-height:1.5}.post-info small{color:#667068;font-size:11px}.trust-section{display:grid;grid-template-columns:1fr 1fr;gap:100px;padding:0 0 138px}.trust-copy h2{margin:17px 0 25px;font-size:48px}.trust-copy p{max-width:430px}.trust-list{align-self:end;border-top:1px solid #d7ded8}.trust-list>div{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:18px 0;border-bottom:1px solid #d7ded8;font-size:14px}.trust-list span{color:#667068}.trust-list .status{display:inline-flex;align-items:center;gap:7px;color:#2f6b4f}.status i{width:7px;height:7px;border-radius:50%;background:#2f6b4f}.trust-list .text-link{margin-top:23px}.final-section{padding:115px 0 140px;border-top:1px solid #d7ded8}.final-section h2{margin:18px 0 37px;font-size:57px}.final-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.welcome-footer{display:grid;grid-template-columns:1fr auto 1.5fr auto;align-items:center;gap:30px;min-height:95px;border-top:1px solid #d7ded8;color:#667068;font-size:12px}.welcome-footer .welcome-brand{color:#111512;width:72px;height:52px}.welcome-footer nav{display:flex;justify-content:center;gap:26px}.welcome-footer small{text-align:right}@media (max-width: 900px){.welcome-nav{gap:18px;margin-right:20px}.hero-copy h1{font-size:68px}.hero-statement{font-size:32px}.intro-grid,.trust-section{gap:55px}.capability-row,.capability-row.is-reverse{grid-template-columns:1fr;gap:38px}.capability-row.is-reverse .capability-copy,.capability-row.is-reverse .visual-frame{order:initial}.evidence-path{grid-template-columns:1fr;gap:22px}.evidence-path i{width:1px;height:26px;margin-left:5px}}@media (max-width: 640px){.section-shell,.welcome-header{width:min(100% - 40px,1180px)}.welcome-header{min-height:74px}.welcome-brand{width:70px;height:54px}.welcome-nav,.header-cta{display:none}.header-download{margin-left:auto;margin-right:8px;font-size:12px}.menu-button{display:block}.mobile-menu{position:absolute;top:74px;right:20px;left:20px;z-index:5;display:grid;max-height:0;overflow:hidden;padding:0 18px;border:1px solid transparent;background:#f7f8f6f5;transition:max-height .25s ease,padding .25s ease,border-color .25s ease}.mobile-menu.is-open{max-height:220px;padding:8px 18px;border-color:#d7ded8}.mobile-menu a{display:flex;align-items:center;justify-content:space-between;padding:15px 0;border-bottom:1px solid #d7ded8;font-size:14px}.mobile-menu a:last-child{border-bottom:0}.hero{min-height:700px}.hero-copy{width:min(100% - 40px,860px);padding:105px 0 245px}.eyebrow{margin-bottom:18px;font-size:11px}.hero-copy h1{font-size:52px}.hero-statement{margin-top:22px;font-size:28px;line-height:1.45}.hero-actions{flex-direction:column;gap:21px;margin-top:31px}.scroll-cue{bottom:20px}.hero-video,.hero-fallback{-o-object-position:center 68%;object-position:center 68%}.hero-wash{background:linear-gradient(180deg,#f7f8f6f7,#f7f8f6d1 38%,#f7f8f61f 62%,#f7f8f6f0)}.intro-section,.posts-section{padding:82px 0}.intro-grid,.trust-section{display:block;margin-top:37px}.intro-grid h2,.trust-copy h2{font-size:36px}.intro-grid p{margin-top:26px;font-size:16px}.capability-section{padding-bottom:82px}.capability-row{padding:54px 0;gap:28px}.capability-copy h2{font-size:30px}.capability-copy p,.trust-copy p{font-size:16px}.visual-frame{min-height:280px}.visual-feed-grid{gap:8px;padding:15px}.mini-post strong{font-size:11px}.mini-post small{font-size:9px}.visual-requirements{padding:18px}.visual-result{grid-template-columns:46px 1fr auto;gap:10px;padding:17px 0}.visual-result strong{font-size:15px}.evidence-section{padding:80px 0}.evidence-title{margin-top:37px;font-size:38px}.evidence-path{margin-top:48px}.posts-heading{display:block;margin:38px 0 32px}.posts-heading h2{font-size:34px}.posts-heading p{margin-top:20px;font-size:15px}.post-grid{-moz-columns:2 140px;columns:2 140px;-moz-column-gap:12px;column-gap:12px}.post-preview{margin-bottom:22px}.post-cover{min-height:165px;padding:11px}.post-info{gap:5px;padding-top:9px}.post-info strong{font-size:12px}.post-info small{font-size:9px}.trust-section{padding-bottom:90px}.trust-list{margin-top:42px}.trust-list>div{display:grid;gap:7px}.final-section{padding:82px 0 98px}.final-section h2{font-size:39px}.final-actions{gap:20px}.welcome-footer{grid-template-columns:1fr auto;gap:14px;padding:25px 0}.welcome-footer span,.welcome-footer small{display:none}.welcome-footer nav{grid-column:1 / -1;justify-content:flex-start;gap:18px}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}