*,: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:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";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:JetBrains Mono,ui-monospace,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}.container{width:100%}@media(min-width:640px){.container{max-width:640px}}@media(min-width:768px){.container{max-width:768px}}@media(min-width:1024px){.container{max-width:1024px}}@media(min-width:1280px){.container{max-width:1280px}}@media(min-width:1536px){.container{max-width:1536px}}.visible{visibility:visible}.invisible{visibility:hidden}.collapse{visibility:collapse}.static{position:static}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.-top-full{top:-100%}.left-16{left:4rem}.top-5{top:1.25rem}.isolate{isolation:isolate}.z-50{z-index:50}.mx-auto{margin-left:auto;margin-right:auto}.mb-2{margin-bottom:.5rem}.mb-8{margin-bottom:2rem}.mt-4{margin-top:1rem}.mt-8{margin-top:2rem}.block{display:block}.table{display:table}.contents{display:contents}.hidden{display:none}.w-full{width:100%}.max-w-3xl{max-width:48rem}.shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.space-y-4>:not([hidden])~:not([hidden]){--tw-space-y-reverse: 0;margin-top:calc(1rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(1rem * var(--tw-space-y-reverse))}.rounded-xl{border-radius:.75rem}.border{border-width:1px}.bg-bg{--tw-bg-opacity: 1;background-color:rgb(247 245 240 / var(--tw-bg-opacity, 1))}.px-3{padding-left:.75rem;padding-right:.75rem}.px-6{padding-left:1.5rem;padding-right:1.5rem}.py-16{padding-top:4rem;padding-bottom:4rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-24{padding-top:6rem;padding-bottom:6rem}.text-center{text-align:center}.font-body,.font-heading{font-family:Microsoft YaHei,sans-serif}.text-3xl{font-size:1.875rem;line-height:2.25rem}.text-sm{font-size:.875rem;line-height:1.25rem}.text-xs{font-size:.75rem;line-height:1rem}.uppercase{text-transform:uppercase}.capitalize{text-transform:capitalize}.leading-relaxed{line-height:1.625}.leading-tight{line-height:1.25}.tracking-wide{letter-spacing:.025em}.text-accent{--tw-text-opacity: 1;color:rgb(168 138 62 / var(--tw-text-opacity, 1))}.text-ink{--tw-text-opacity: 1;color:rgb(16 51 43 / var(--tw-text-opacity, 1))}.text-muted{--tw-text-opacity: 1;color:rgb(93 117 110 / var(--tw-text-opacity, 1))}.text-primary{--tw-text-opacity: 1;color:rgb(16 51 43 / var(--tw-text-opacity, 1))}.underline{text-decoration-line:underline}.shadow{--tw-shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--tw-shadow-colored: 0 1px 3px 0 var(--tw-shadow-color), 0 1px 2px -1px var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow, 0 0 #0000),var(--tw-ring-shadow, 0 0 #0000),var(--tw-shadow)}.outline{outline-style:solid}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.backdrop-blur-lg{--tw-backdrop-blur: blur(16px);backdrop-filter:var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-all{transition-property:all;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}:root{--ink: #061B22;--ink-2: #0e2a33;--ink-3: #5b7a78;--paper: #F2F6F5;--card: #ffffff;--teal: #0B3A4A;--teal-2: #125163;--aqua: #4FD1C5;--aqua-2: #2bb6aa;--border: #dbe6e3;--disp: "Space Grotesk", sans-serif;--sans: "IBM Plex Sans", -apple-system, "PingFang SC", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Microsoft YaHei,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%}a{color:var(--teal-2);text-decoration:none}a:hover{color:var(--aqua-2)}.section{padding:clamp(54px,8vw,96px) clamp(18px,5vw,56px)}.wrap{max-width:1200px;margin:0 auto}.shead{margin-bottom:42px}.kicker{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--aqua-2);font-weight:700}.stitle{font-family:Microsoft YaHei,sans-serif;font-weight:700;font-size:clamp(28px,4vw,44px);line-height:1.1;margin-top:8px;max-width:20ch}.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .4s,backdrop-filter .4s;background:transparent}.nav.scrolled{background:#061b22e6;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(79,209,197,.2)}.nav-in{max-width:1200px;margin:0 auto;padding:18px clamp(18px,5vw,56px);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;color:#fff}.mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--aqua),var(--aqua-2));display:grid;place-items:center;color:var(--ink);font-family:Microsoft YaHei,sans-serif;font-weight:700;font-size:15px}.brand-text{font-family:Microsoft YaHei,sans-serif;font-weight:700;font-size:17px;line-height:1.1}.brand-text small{display:block;font-size:9px;letter-spacing:3px;color:var(--aqua);text-transform:uppercase}.links{display:flex;gap:6px;align-items:center}.links a{color:#ffffffd9;font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;transition:background .2s,color .2s}.nav.scrolled .links a{color:#ffffffe6}.links a:hover{background:#4fd1c52e;color:var(--aqua)!important;text-decoration:none}.links .pill{background:var(--aqua);color:var(--ink)!important}.links .pill:hover{background:var(--aqua-2);color:var(--ink)!important}.nav-hamb{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;background:none;border:none}.nav-hamb span{width:22px;height:2px;background:#fff;transition:background .4s}.nav.scrolled .nav-hamb span{background:#fff}.nav-mobile-menu{padding:12px clamp(18px,5vw,56px) 20px;background:#061b22f2;backdrop-filter:blur(14px);list-style:none;display:none;flex-direction:column;gap:8px}.nav-mobile-menu:not(.hidden){display:flex}.nav-mobile-menu a{display:block;padding:10px 0;font-size:16px;font-weight:600;color:#ffffffe6;border-bottom:1px solid rgba(79,209,197,.15)}.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(95deg,#061b22f2,#0b3a4acc 40%,#061b2259)}.hero-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:0 clamp(18px,5vw,56px);width:100%;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}.hero-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:11px;letter-spacing:4px;text-transform:uppercase;color:var(--aqua);margin-bottom:24px;font-weight:700}.hero-eyebrow:before{content:"";width:42px;height:2px;background:var(--aqua)}.hero-title{font-family:Microsoft YaHei,sans-serif;font-weight:700;font-size:clamp(42px,7vw,84px);line-height:1;letter-spacing:-1px}.hero-title em{font-style:normal;color:var(--aqua)}.hero-lead{margin-top:24px;font-size:clamp(15px,1.6vw,19px);max-width:42ch;color:#ffffffd9}.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}.btn-primary{display:inline-flex;gap:8px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;background:var(--aqua);color:var(--ink)!important;transition:transform .2s,background .2s;text-decoration:none!important}.btn-primary:hover{transform:translateY(-3px);background:var(--aqua-2);color:var(--ink)!important}.btn-ghost{display:inline-flex;gap:8px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;border:1.5px solid rgba(255,255,255,.4);color:#fff!important;transition:background .2s,transform .2s;text-decoration:none!important}.btn-ghost:hover{background:#ffffff1f;transform:translateY(-3px)}.dcards{display:flex;flex-direction:column;gap:14px}.dc{background:#0b3a4a99;border:1px solid rgba(79,209,197,.3);border-radius:12px;padding:18px 20px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.dc b{font-family:Microsoft YaHei,sans-serif;color:var(--aqua);font-size:22px;display:block}.dc span{display:block;font-size:12px;color:#ffffffb3;margin-top:2px}.stats-bar{display:flex;justify-content:center;flex-wrap:wrap;background:var(--teal);color:#fff;padding:22px}.stat-item{text-align:center;padding:0 38px}.stat-n{display:block;font-family:Microsoft YaHei,sans-serif;font-size:30px;font-weight:700;color:var(--aqua)}.stat-l{font-size:12px;color:#ffffffb3;display:block}.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}.bento-feature{grid-column:span 4;grid-row:span 2;background:linear-gradient(135deg,var(--teal),var(--ink));color:#fff;border-radius:14px;padding:32px;display:flex;flex-direction:column;border-top:3px solid var(--aqua);transition:transform .25s,box-shadow .25s}.bento-feature:hover{transform:translateY(-4px);box-shadow:0 14px 40px #0b3a4a59;text-decoration:none!important}.bento-feature h3{font-family:Microsoft YaHei,sans-serif;font-size:25px;margin:12px 0 8px}.bento-feature p{color:#ffffffbf;font-size:14px}.bento-feature .more{margin-top:auto;color:var(--aqua);font-weight:700;font-size:13px}.bento-card{grid-column:span 2;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;transition:transform .25s,box-shadow .25s;color:var(--ink)!important}.bento-card:hover{transform:translateY(-4px);box-shadow:0 14px 40px #0b3a4a29;text-decoration:none!important}.bento-card-ic{font-size:24px;margin-bottom:8px}.bento-card h3{font-family:Microsoft YaHei,sans-serif;font-size:18px}.bento-card p{color:var(--ink-3);font-size:13px;margin-top:4px}.bento-card-count{font-size:12px;font-weight:700;color:var(--aqua-2);margin-top:auto}.articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.article-card{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:transform .25s,box-shadow .25s;color:var(--ink)!important;display:flex;flex-direction:column}.article-card:hover{transform:translateY(-4px);box-shadow:0 14px 40px #0b3a4a24;text-decoration:none!important}.article-card .thumb{aspect-ratio:16/10;overflow:hidden;position:relative;background:var(--border)}.article-card .thumb img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;transition:transform .5s}.article-card:hover .thumb img{transform:scale(1.06)}.article-card .cat{position:absolute;top:12px;left:12px;background:var(--teal);color:#fff;font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px}.article-body{padding:20px;flex:1;display:flex;flex-direction:column;gap:6px}.article-title{font-family:Microsoft YaHei,sans-serif;font-size:17px;line-height:1.35;color:var(--ink)}.article-desc{color:var(--ink-3);font-size:13px;margin-top:6px}.article-meta{font-size:12px;color:var(--ink-3);padding:14px 20px;border-top:1px solid var(--border)}.cta-band{background:linear-gradient(120deg,var(--ink),var(--teal));color:#fff;border-radius:18px;padding:clamp(38px,6vw,60px);text-align:center}.cta-band h2{font-family:Microsoft YaHei,sans-serif;font-size:clamp(26px,3.4vw,38px)}.cta-band p{color:#fffc;max-width:48ch;margin:14px auto 28px;font-size:15px;line-height:1.6}.disclaimer{max-width:1200px;margin:0 auto;padding:20px clamp(18px,5vw,56px) 40px;font-size:11.5px;color:var(--ink-3);line-height:1.7;border-top:1px solid var(--border)}.site-footer{background:var(--ink);color:#fff9;padding:58px clamp(18px,5vw,56px) 30px}.footer-inner{max-width:1200px;margin:0 auto}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-grid h4{color:#fff;font-size:13px;margin-bottom:12px;font-weight:700}.footer-grid a{display:block;color:#ffffff80;font-size:13px;padding:3px 0;transition:color .2s}.footer-grid a:hover{color:var(--aqua);text-decoration:none!important}.footer-brand b{color:#fff;font-family:Microsoft YaHei,sans-serif;font-size:18px;display:block}.footer-brand p{margin-top:10px;font-size:13px;max-width:34ch;color:#ffffff73}.footer-bottom{max-width:1200px;margin:36px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#ffffff59;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}.fab{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:10px;align-items:flex-end}.fab-chat{display:flex;align-items:center;gap:8px;background:var(--aqua);color:var(--ink);font-weight:700;padding:14px 22px;border-radius:999px;box-shadow:0 16px 36px -10px #4fd1c599;cursor:pointer;border:none;font-size:14px;transition:transform .25s}.fab-chat:hover{transform:translateY(-3px) scale(1.03)}.fab-chat .pulse{width:9px;height:9px;border-radius:50%;background:#2f8f6a;box-shadow:0 0 #2f8f6a99;animation:fab-pulse 2s infinite}@keyframes fab-pulse{0%{box-shadow:0 0 #2f8f6a99}70%{box-shadow:0 0 0 12px #2f8f6a00}to{box-shadow:0 0 #2f8f6a00}}.fab-top{width:40px;height:40px;border-radius:50%;background:var(--card);border:1px solid var(--border);color:var(--ink);cursor:pointer;display:grid;place-items:center;box-shadow:0 4px 16px #0000001a;opacity:0;pointer-events:none;transition:opacity .3s;font-size:18px}.fab-top.show{opacity:1;pointer-events:auto}.article-prose{max-width:720px;margin:0 auto}.article-prose h2{font-family:Microsoft YaHei,sans-serif;font-size:24px;font-weight:700;color:var(--ink);margin-top:32px;margin-bottom:12px}.article-prose h3{font-family:Microsoft YaHei,sans-serif;font-size:20px;font-weight:700;color:var(--ink);margin-top:24px;margin-bottom:8px}.article-prose p{margin-bottom:14px;font-size:16px;line-height:1.75;color:var(--ink-2)}.article-prose ul,.article-prose ol{margin:12px 0;padding-left:24px}.article-prose li{margin-bottom:6px;color:var(--ink-2)}.article-prose blockquote{border-left:3px solid var(--aqua);padding:8px 16px;margin:16px 0;background:#4fd1c514;border-radius:0 8px 8px 0;font-style:italic;color:var(--ink-3)}.article-prose a{color:var(--aqua-2);text-decoration:underline}.article-prose code{background:var(--ink-2);color:var(--aqua);padding:2px 6px;border-radius:4px;font-size:13px}.article-prose pre{background:var(--ink);color:#e0e6e3;padding:16px;border-radius:8px;overflow-x:auto;margin:14px 0}.article-prose pre code{background:none;color:inherit;padding:0}@media(max-width:880px){.hero-inner{grid-template-columns:1fr}.dcards{flex-direction:row;flex-wrap:wrap}.dc{flex:1;min-width:130px}.bento{grid-template-columns:repeat(2,1fr)}.bento-feature{grid-column:span 2;grid-row:auto}.bento-card{grid-column:span 1}.articles-grid{grid-template-columns:repeat(2,1fr)}.links a:not(.pill){display:none}.nav-hamb{display:flex}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.bento,.articles-grid{grid-template-columns:1fr}.bento-feature,.bento-card{grid-column:span 1}.stat-item{padding:8px 22px}.hero-title{font-size:clamp(34px,11vw,52px)}.footer-grid{grid-template-columns:1fr}}img,table,video,iframe,object,embed{max-width:100%;height:auto}*{overflow-wrap:break-word;word-wrap:break-word}a,button,input,select,textarea,label,[role=button]{min-height:44px}button,input,select,textarea,[type=submit],[type=button]{min-width:44px}.focus\:top-4:focus{top:1rem}@media(min-width:768px){.md\:text-4xl{font-size:2.25rem;line-height:2.5rem}}