@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;0,8..60,700;1,8..60,400&family=Noto+Sans+SC:wght@400;500;700;900&family=Noto+Serif+SC:wght@500;600;700&display=swap";:root{--font-serif:"Source Serif 4", "Noto Serif SC", Georgia, "Times New Roman", serif;--font-sans:"Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-cjk-display:"Noto Sans SC", "Inter", sans-serif;--font-cjk-serif:"Noto Serif SC", "Source Serif 4", serif;--font-display:var(--font-serif);--font-heading:var(--font-sans);--font-body:var(--font-sans);--font-numeric:var(--font-sans)}.gua-tnum{font-variant-numeric:tabular-nums lining-nums;font-feature-settings:"tnum" 1, "lnum" 1}:root{--gold:#d9b765;--navy:#1f3864;--warm-white:#fcfbf9;--cream:#faf6ee;--ink:#262626;--gold-deep:#c4a14e;--gold-bronze:#b8842b;--gold-pale:#f3e9ce;--navy-deep:#15264a;--slate:#5a6e92;--white:#fff;--gray-600:#5c5c5c;--gray-400:#8c8c8c;--sand-line:#e8e1d3;--cream-2:#f2ede2;--success:#2e7d5b;--danger:#b23b3b;--text-strong:var(--ink);--text-body:var(--ink);--text-muted:var(--gray-600);--text-subtle:var(--gray-400);--text-on-dark:var(--white);--text-on-dark-muted:#b9c3d6;--text-gold:var(--gold-deep);--surface-page:var(--warm-white);--surface-card:var(--white);--surface-section:var(--cream);--surface-soft:var(--gold-pale);--surface-dark:var(--navy);--surface-dark-deep:var(--navy-deep);--color-authority:var(--navy);--color-accent:var(--gold);--color-accent-strong:var(--gold-deep);--color-accent-soft:var(--gold-pale);--border-line:var(--sand-line);--border-line-strong:#d9cfbc;--border-on-dark:#d9b76547;--focus-ring:0 0 0 2px var(--cream), 0 0 0 4px var(--gold-deep);--gold-gradient:linear-gradient(135deg, #ebd9a6 0%, var(--gold) 38%, var(--gold-deep) 78%, #a8852f 100%);--gold-hairline:linear-gradient(90deg, transparent, var(--gold) 18%, var(--gold) 82%, transparent);--navy-gradient:linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);--fs-display:clamp(2.75rem, 1.6rem + 4.2vw, 4rem);--fs-h1:clamp(2.25rem, 1.6rem + 2.4vw, 3rem);--fs-h2:clamp(1.75rem, 1.3rem + 1.6vw, 2rem);--fs-h3:1.5rem;--fs-h4:1.25rem;--fs-lead:1.1875rem;--fs-body:1.0625rem;--fs-body-sm:.9375rem;--fs-eyebrow:.8125rem;--fs-micro:.75rem;--fw-regular:400;--fw-medium:500;--fw-semibold:600;--fw-bold:700;--fw-heavy:900;--lh-display:1.08;--lh-heading:1.2;--lh-snug:1.4;--lh-body:1.7;--lh-cjk:1.85;--ls-display:-.018em;--ls-heading:-.01em;--ls-body:0;--ls-eyebrow:.16em}.gua-eyebrow{font-family:var(--font-body);font-size:var(--fs-eyebrow);font-weight:var(--fw-semibold);letter-spacing:var(--ls-eyebrow);text-transform:uppercase;color:var(--text-gold)}.gua-display{font-family:var(--font-display);font-size:var(--fs-display);font-weight:var(--fw-bold);line-height:var(--lh-display);letter-spacing:var(--ls-display);color:var(--text-strong)}.gua-h1{font-family:var(--font-display);font-size:var(--fs-h1);font-weight:var(--fw-bold);line-height:var(--lh-heading);letter-spacing:var(--ls-heading);color:var(--text-strong)}.gua-h2{font-family:var(--font-display);font-size:var(--fs-h2);font-weight:var(--fw-semibold);line-height:var(--lh-heading);letter-spacing:var(--ls-heading);color:var(--text-strong)}.gua-h3{font-family:var(--font-heading);font-size:var(--fs-h3);font-weight:var(--fw-semibold);line-height:var(--lh-snug);color:var(--text-strong)}.gua-lead{font-family:var(--font-body);font-size:var(--fs-lead);font-weight:var(--fw-regular);line-height:var(--lh-snug);color:var(--text-muted)}.gua-body{font-family:var(--font-body);font-size:var(--fs-body);font-weight:var(--fw-regular);line-height:var(--lh-body);color:var(--text-body)}:root{--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--space-9:80px;--space-10:96px;--space-11:120px;--container-max:1280px;--content-max:1200px;--measure:68ch;--gutter-desktop:80px;--gutter-mobile:22px;--grid-gap:24px;--section-y:clamp(72px, 5vw + 40px, 120px);--section-y-tight:clamp(40px, 3vw + 24px, 72px)}.gua-container{width:100%;max-width:var(--container-max);padding-inline:var(--gutter-mobile);margin-inline:auto}@media (width>=768px){.gua-container{padding-inline:clamp(32px, 6vw, var(--gutter-desktop))}}:root{--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-pill:999px;--shadow-card:0 2px 12px #1f38640f;--shadow-lift:0 14px 36px #1f38641f;--shadow-pop:0 24px 60px #15264a2e;--shadow-inset-dark:inset 0 1px 0 #ffffff0a;--glow-gold:0 0 0 4px #d9b7652e;--border-width:1px;--border-card:1px solid var(--border-line);--ease-out:cubic-bezier(.22, .61, .36, 1);--ease-in-out:cubic-bezier(.45, 0, .2, 1)}.gua-rule-gold{background:var(--gold-gradient);border:0;border-radius:2px;width:56px;height:2px}.gua-hairline{background:var(--gold-hairline);border:0;height:1px}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.gua-calc-btn:hover{border-color:var(--gold)!important;color:var(--text-gold)!important;background:var(--gold-pale)!important}@keyframes gua-pop{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:none}}@media (width<=920px){.gua-desktop-nav{display:none!important}.gua-burger{display:inline-flex!important}.gua-hero-grid,.gua-wealth-grid,.gua-book-grid,.gua-founder,.gua-dev-grid,.gua-partner,.gua-feature,.gua-grid-3,.gua-grid-4,.gua-grid-2,.gua-grid-5{grid-template-columns:1fr!important}.gua-ring-wrap{display:none!important}.gua-ring-grid{display:grid!important}.gua-foot-grid{grid-template-columns:1fr 1fr!important}}@media (width>=921px) and (width<=1100px){.gua-grid-3,.gua-grid-4{grid-template-columns:1fr 1fr!important}.gua-grid-5{grid-template-columns:repeat(3,1fr)!important}}@media (width>=521px) and (width<=920px){.gua-grid-4,.gua-grid-5{grid-template-columns:1fr 1fr!important}}@media (prefers-reduced-motion:reduce){.gua-reveal,.gua-reveal.gua-in{opacity:1!important;transition:none!important;transform:none!important}.gua-lift,.gua-lift:hover{transition:none!important;transform:none!important}}:lang(en) h1,:lang(en) h2,:lang(en) h3,:lang(zh-Hans) h1,:lang(zh-Hans) h2,:lang(zh-Hans) h3,:lang(zh-Hant) h1,:lang(zh-Hant) h2,:lang(zh-Hant) h3{text-wrap:balance}main p{text-wrap:pretty}:lang(zh-Hans) main,:lang(zh-Hant) main{line-break:strict}.gua-star-fill svg{fill:currentColor;stroke:none}.gua-seg{white-space:nowrap}@media (width<=680px){.gua-seg{white-space:normal}}.gua-members-row>*{flex:0 calc(16.6667% - 13.3333px);max-width:calc(16.6667% - 13.3333px)}@media (width>=921px) and (width<=1100px){.gua-members-row>*{flex-basis:calc(25% - 12px);max-width:calc(25% - 12px)}}@media (width>=521px) and (width<=920px){.gua-members-row>*{flex-basis:calc(33.3333% - 10.6667px);max-width:calc(33.3333% - 10.6667px)}}@media (width<=520px){.gua-members-row>*{flex-basis:calc(50% - 8px);max-width:calc(50% - 8px)}}.gua-step>summary{list-style:none}.gua-step>summary::-webkit-details-marker{display:none}.gua-step>summary::marker{content:""}.gua-step[open]{border-color:var(--gold);box-shadow:var(--shadow-lift)}.gua-step-hint{color:var(--text-gold);align-items:center;gap:6px;margin-top:12px;font-size:12.5px;font-weight:600;display:inline-flex}.gua-step-hint [data-open],.gua-step[open] .gua-step-hint [data-closed]{display:none}.gua-step[open] .gua-step-hint [data-open]{display:inline}.gua-prose p{color:var(--text-muted);margin:0 0 18px;font-size:16px;line-height:1.85}.gua-prose p:last-child{margin-bottom:0}.gua-case-layout{grid-template-columns:minmax(0,1fr) clamp(320px,32vw,430px);align-items:start;gap:clamp(20px,2.6vw,30px) clamp(24px,3.2vw,52px);display:grid}.gua-case-head{grid-area:1/1}.gua-case-body{grid-area:2/1}.gua-case-poster{grid-area:1/2/span 2;position:sticky;top:96px}@media (width<=920px){.gua-case-layout{grid-template-columns:1fr}.gua-case-head{order:1;grid-area:auto/1}.gua-case-poster{order:2;grid-area:auto/1;max-width:460px;margin-inline:auto;position:static}.gua-case-body{order:3;grid-area:auto/1}}.gua-prose-article img{border-radius:var(--radius-md);border:1px solid var(--border-line);width:100%;height:auto;margin:26px 0;display:block}.gua-prose-article h2,.gua-prose-article h3{font-family:var(--font-display);color:var(--navy);margin:32px 0 12px;font-weight:700;line-height:1.3}.gua-prose-article h2{font-size:1.3rem}.gua-prose-article h3{font-size:1.12rem}.gua-article{--ga-bg:#faf6ee;--ga-card:#f5ede0;--ga-sand:#f0e2c4;--ga-gold:#b8945a;--ga-line:#d4c4a6;--ga-text:#3a2e1f;--ga-strong:#5c3d1a;--ga-en:#8b6f3f;--ga-sub:#5c4a30;--ga-serif:"Songti SC", "Source Han Serif SC", "STSong", "Noto Serif SC", serif;background:var(--ga-bg);color:var(--ga-text);font-family:var(--ga-serif)}.gua-article-masthead{background:var(--ga-card);text-align:center;letter-spacing:6px;color:var(--ga-en);padding:14px 20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:11px}.gua-article-hero{text-align:center;padding:clamp(34px,5vw,52px) clamp(20px,4vw,30px) clamp(30px,4vw,46px)}.gua-article-series{letter-spacing:4px;color:var(--ga-en);font-family:-apple-system,BlinkMacSystemFont,sans-serif;font-size:12px}.gua-article-meta{letter-spacing:3px;color:var(--ga-sub);margin-top:8px;font-family:-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px}.gua-article-hero h1{font-family:var(--ga-serif);color:var(--ga-text);letter-spacing:.02em;margin:20px 0 0;font-size:clamp(21px,2.2vw,27px);font-weight:600;line-height:1.5}.gua-article-rule{background:var(--ga-gold);border:0;width:56px;height:1px;margin:22px auto 0}.gua-article-sub{max-width:30em;color:var(--ga-strong);margin:18px auto 0;font-size:15px;line-height:1.85}.gua-article-hero-img{max-width:677px;margin:0 auto 8px;padding:0 clamp(18px,4vw,30px)}.gua-article-hero-img img{border:1px solid var(--ga-line);border-radius:2px;width:100%;height:auto;display:block}.gua-article-body{max-width:677px;margin-inline:auto;padding:0 clamp(18px,4vw,30px) clamp(30px,5vw,50px)}.gua-article-body p{color:var(--ga-text);text-align:justify;margin:0 0 20px;font-size:16px;line-height:2}.gua-article-body strong{color:var(--ga-strong);font-weight:600}.gua-article-body h2,.gua-article-body h3{font-family:var(--ga-serif);color:var(--ga-strong);margin:34px 0 14px;font-weight:600;line-height:1.6}.gua-article-body h2{font-size:19px}.gua-article-body h3{font-size:17px}.gua-article-body img{border:1px solid var(--ga-line);border-radius:2px;width:100%;height:auto;margin:28px auto;display:block}.gua-article-body img[alt*=扫码],.gua-article-body img[alt*=掃碼]{border:0;max-width:200px}.gua-article-body img[alt*=扫码]+em,.gua-article-body img[alt*=掃碼]+em{display:none}.gua-article-body blockquote{background:var(--ga-sand);border-left:3px solid var(--ga-gold);color:var(--ga-strong);margin:26px 0;padding:20px 22px;font-size:16px;line-height:1.95}.gua-article-body ul,.gua-article-body ol{margin:0 0 20px;padding-left:1.4em}.gua-article-body li{margin-bottom:10px;font-size:16px;line-height:1.95}.gua-article-body li::marker{color:var(--ga-gold)}.gua-article-body a{color:var(--ga-strong);text-underline-offset:3px;text-decoration:underline}.gua-article-body table{border-collapse:collapse;background:var(--ga-card);width:100%;margin:26px 0;font-size:15px}.gua-article-body th,.gua-article-body td{border:1px solid var(--ga-line);text-align:left;padding:12px 14px}.gua-article-body th{color:var(--ga-strong);font-weight:600}.gua-article-slogan{text-align:center;padding:6px 20px clamp(34px,5vw,52px)}.gua-article-slogan hr{background:var(--ga-gold);border:0;width:48px;height:1px;margin:18px auto}.gua-article-slogan .ga-wordmark{letter-spacing:8px;color:var(--ga-en);font-family:-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px}.gua-article-slogan .ga-name{letter-spacing:6px;color:var(--ga-text);font-size:26px}.gua-article-slogan .ga-l1{letter-spacing:2px;color:var(--ga-strong);font-size:15px}.gua-article-slogan .ga-l2{letter-spacing:1px;color:var(--ga-sub);margin-top:6px;font-size:14px}.gua-article-source{color:var(--ga-sub);margin-top:22px;font-size:12.5px;line-height:1.7}.gua-calc-grid{grid-template-columns:1fr}@media (width>=1000px){.gua-calc-grid{grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr)}}@media (width<=999px){.gua-calc-result{position:static!important}}.gua-calc-result input[type=range]{appearance:none;background:#ffffff38;border-radius:999px;height:6px}.gua-calc-result input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--gold);cursor:grab;border:2px solid #fff;border-radius:999px;width:22px;height:22px;box-shadow:0 2px 8px #0000004d}.gua-calc-result input[type=range]::-moz-range-thumb{background:var(--gold);cursor:grab;border:2px solid #fff;border-radius:999px;width:20px;height:20px}.gua-calc-result input[type=range]:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.gua-calc-grid fieldset{border:1px solid var(--border-line)}.gua-calc-grid legend{padding:0}@media (prefers-reduced-motion:reduce){.gua-calc-result *,.gua-calc-grid *{transition-duration:.01ms!important}}@media (width<=1400px){.gua-head nav.gua-desktop-nav{gap:18px!important}.gua-head div.gua-desktop-nav{gap:10px!important}.gua-head>div{gap:14px!important}}@media (width<=1009px){.gua-head-zh .gua-desktop-nav,.gua-head-tw .gua-desktop-nav{display:none!important}.gua-head-zh .gua-burger,.gua-head-tw .gua-burger{display:inline-flex!important}}@media (width<=1259px){.gua-head-en .gua-desktop-nav{display:none!important}.gua-head-en .gua-burger{display:inline-flex!important}}*{box-sizing:border-box}html{scroll-behavior:smooth}section[id]{scroll-margin-top:88px}body{background:var(--surface-page);font-family:var(--font-body);color:var(--text-body);-webkit-font-smoothing:antialiased;margin:0}.gua-ico svg{width:100%;height:100%}.gua-navlink{position:relative}.gua-navlink:after{content:"";background:var(--gold-gradient);transform-origin:0;height:2px;transition:transform .22s var(--ease-out);border-radius:2px;position:absolute;bottom:-6px;left:0;right:0;transform:scaleX(0)}.gua-navlink:hover:after{transform:scaleX(1)}.gua-lift{transition:transform .24s var(--ease-out), box-shadow .24s var(--ease-out), border-color .24s var(--ease-out)}.gua-h1-cjk{font-size:clamp(1.9rem,4.3vw,3.4rem)}.gua-hero-fade{transition:opacity 1.2s var(--ease-out)}@media (prefers-reduced-motion:reduce){.gua-hero-fade{transition:none!important}}.gua-h1-en{font-size:clamp(3rem,1.9rem + 5vw,5rem)}@media (width<=640px){.gua-h1-en{font-size:clamp(1.3rem,8.5vw - 4px,3rem)}}@media (width<=920px){.gua-h1-cjk{font-size:clamp(1.9rem,8vw,4.5rem)}}.gua-lift:hover{border-color:var(--gold);box-shadow:var(--shadow-lift);transform:translateY(-4px)}.gua-burger{display:none}@media (width<=920px){.gua-desktop-nav{display:none!important}.gua-burger{display:inline-flex!important}.gua-hero-grid,.gua-wealth-grid,.gua-book-grid,.gua-founder,.gua-dev-grid,.gua-grid-3,.gua-grid-4{grid-template-columns:1fr!important}.gua-foot-grid{grid-template-columns:1fr 1fr!important}}@media (width>=921px) and (width<=1100px){.gua-grid-3{grid-template-columns:1fr 1fr!important}}@media (width>=521px) and (width<=920px){.gua-grid-4{grid-template-columns:1fr 1fr!important}}.gua-hero-full{min-height:92vh}.gua-hero-mobshade{display:none}@keyframes gua-nudge{0%,to{transform:translateY(0)}50%{transform:translateY(6px)}}.gua-hero-cue{animation:gua-nudge 2.2s var(--ease-out) infinite}.gua-hero-cue:hover{color:#fff}@media (width<=640px){.gua-hero-full{min-height:88svh}.gua-hero-mobshade{display:block}.gua-map-svg-label{display:none}.gua-map-legend{display:flex!important}}.gua-reveal{opacity:0;transition:opacity .7s var(--ease-out), transform .7s var(--ease-out);transform:translateY(32px)}.gua-reveal.gua-in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.gua-reveal,.gua-reveal.gua-in{opacity:1!important;transition:none!important;transform:none!important}.gua-lift,.gua-lift:hover{transition:none!important;transform:none!important}.gua-hero-cue{animation:none!important}}