:root{--bg:#081419;--bg2:#0e1c21;--lime:#d0fc99;--lime-bright:#bff37e;--mint:#9ee8c2;--white:#f5f7ee;--muted:#a3b4b3;--border:rgba(222,251,232,.14);--stroke:rgba(221,250,235,.13);--shadow:0 20px 80px rgba(0,0,0,.23);--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:clip}body{margin:0;overflow-x:clip;background:var(--bg);color:var(--white);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:5px}button:disabled{cursor:not-allowed}::selection{background:var(--lime);color:var(--bg)}.is-hidden{display:none!important}.modal-open{overflow:hidden}
.ambient{pointer-events:none;position:absolute;z-index:-1;filter:blur(2px)}.ambient-one{top:-200px;right:0;width:min(950px,100vw);height:900px;background:radial-gradient(circle,rgba(87,153,113,.15),transparent 66%)}.ambient-two{top:690px;left:0;width:min(900px,100vw);height:900px;background:radial-gradient(circle,rgba(50,113,111,.10),transparent 65%)}.page-grid{position:absolute;top:0;left:0;right:0;height:980px;pointer-events:none;z-index:-1;opacity:.19;background-image:linear-gradient(to right,rgba(197,245,223,.09) 1px,transparent 1px),linear-gradient(to bottom,rgba(197,245,223,.09) 1px,transparent 1px);background-size:90px 90px;mask-image:linear-gradient(to bottom,black,transparent 96%)}
.site-shell{max-width:1440px;margin:0 auto;padding:0 64px}.site-header{height:112px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:15px}.brand-symbol{width:42px;height:42px;border:2px solid var(--lime);border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative}.brand-symbol:after,.brand-symbol:before{content:"";position:absolute;background:var(--lime)}.brand-symbol:after{width:2px;height:56px;opacity:.75}.brand-symbol:before{height:2px;width:56px;opacity:.75}.brand-symbol>span{width:9px;height:9px;border-radius:50%;background:var(--lime);z-index:1}.brand-text{display:flex;align-items:flex-start;flex-direction:column;line-height:1.2}.brand-text strong{font-weight:650;font-size:24px;letter-spacing:.19em}.brand-text small{font-size:9px;letter-spacing:.26em;color:#a5b5b1;margin-top:5px;font-weight:650}.header-right{display:flex;align-items:center;gap:13px}.header-dot,.pulsing-dot{width:7px;height:7px;background:var(--lime);box-shadow:0 0 15px rgba(208,252,153,.7);border-radius:50%}.header-note{font-size:10px;font-weight:700;letter-spacing:.16em;color:#8ba69d}.header-link{display:flex;align-items:center;gap:14px;margin-left:50px;font-size:13px;color:#e3efdf}.header-link svg{width:18px;height:18px;transition:transform .3s}.header-link:hover svg{transform:translateX(4px)}
.hero{display:grid;grid-template-columns:minmax(0,1.07fr) minmax(380px,.93fr);gap:50px;align-items:center;min-height:655px;padding:76px 0 64px}.hero-copy{position:relative;z-index:2}.eyebrow,.section-eyebrow{display:flex;align-items:center;gap:12px;font-size:10px;letter-spacing:.19em;color:var(--lime);font-weight:700}.eyebrow-line{height:1px;width:38px;background:var(--lime)}.eyebrow-star{font-size:15px;margin-left:10px}.hero h1{font-size:clamp(54px,5.5vw,80px);line-height:1.22;letter-spacing:-.065em;font-weight:650;margin:29px 0 24px;white-space:nowrap}.highlight-text{color:var(--lime)}.accent-punctuation{color:#f5f7ee}.hero-subtitle{max-width:510px;font-size:15px;color:#b3c0bd;line-height:2.05;margin:0;letter-spacing:.025em}.hero-actions{display:flex;align-items:center;gap:31px;margin-top:38px;flex-wrap:wrap}.primary-button{border:1px solid var(--lime);background:var(--lime);color:#10221d;padding:0 18px 0 27px;min-height:61px;min-width:239px;display:inline-flex;justify-content:space-between;align-items:center;gap:35px;font-size:14px;font-weight:750;border-radius:8px;transition:transform .2s,background .2s,box-shadow .2s}.primary-button:hover{background:#e0ffb8;transform:translateY(-2px);box-shadow:0 8px 24px #9ddd7a1c}.button-arrow{display:grid;place-items:center;border:1px solid rgba(14,31,27,.21);width:33px;height:33px;border-radius:6px;font-size:21px;font-weight:400}.text-link{font-size:13px;color:#d6e5db;border-bottom:1px solid rgba(218,240,228,.5);padding-bottom:4px;display:inline-flex;gap:14px;align-items:center}.text-link:hover{color:var(--lime)}.hero-meta{display:flex;align-items:center;gap:28px;margin-top:59px}.hero-meta>div{display:flex;flex-direction:column;align-items:flex-start}.hero-meta strong{font-size:28px;letter-spacing:-.06em;line-height:1.15;font-weight:590}.hero-meta .small-unit{font-size:12px;letter-spacing:.01em;color:var(--lime)}.hero-meta div span:last-child{font-size:11px;color:#93a7a0;margin-top:7px}.meta-divider{display:block;width:1px;height:40px;background:var(--border)}
.hero-visual{width:100%;min-height:530px;border:1px solid rgba(201,236,215,.18);border-radius:17px;background:linear-gradient(150deg,rgba(30,62,58,.6),rgba(13,33,36,.92) 52%,rgba(16,43,41,.6));box-shadow:var(--shadow),inset 0 1px rgba(255,255,255,.055);position:relative;overflow:hidden}.hero-visual:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(194,229,216,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(194,229,216,.035) 1px,transparent 1px);background-size:33px 33px;mask-image:radial-gradient(circle at center,black,transparent 75%)}.hero-visual:after{content:"";position:absolute;width:400px;height:400px;top:60px;left:50%;transform:translateX(-50%);background:radial-gradient(circle,rgba(162,239,151,.1),transparent 68%);pointer-events:none}.visual-topline,.visual-bottomline{position:absolute;z-index:3;left:29px;right:29px;display:flex;justify-content:space-between;font-size:9px;letter-spacing:.14em;font-weight:700;color:#a7c1b8}.visual-topline{top:24px}.visual-topmark{color:var(--lime);font-size:8px}.visual-bottomline{bottom:22px}.orbit-art{position:absolute;inset:0}.orbit{position:absolute;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}.orbit-outer{width:420px;height:420px;border:1px dashed rgba(187,235,195,.27);animation:spin 80s linear infinite}.orbit-mid{width:350px;height:350px;border:1px solid rgba(202,248,202,.23)}.orbit-mid:after{content:"";position:absolute;inset:13px;border:1px solid rgba(202,248,202,.09);border-radius:50%}.orbit-inner{width:270px;height:270px;background:radial-gradient(circle,#1a3c36 0%,#102622 64%,rgba(13,40,36,.7) 100%);border:1px solid #a6e3a957;box-shadow:0 0 65px rgba(172,251,179,.055),inset 0 0 55px rgba(155,250,189,.07)}.orbit-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;z-index:1}.core-icon{font-size:22px;color:var(--lime);line-height:1;margin-bottom:16px}.core-word{font-family:Arial,Helvetica,sans-serif;font-size:35px;font-weight:900;letter-spacing:-.045em;line-height:.99;color:var(--white)}.core-dot{color:var(--lime)}.orbit-core>span{display:block;color:#a9c4b1;font-size:10px;letter-spacing:.14em;margin-top:17px}.orbit-marker{position:absolute;z-index:2;width:11px;height:11px;border:3px solid var(--lime);border-radius:50%;background:#0c1d1d;box-shadow:0 0 20px #cdff8c55}.marker-a{top:19%;left:31%}.marker-b{top:74%;left:71%}.marker-c{top:28%;left:80%;width:7px;height:7px;border:0;background:#b8dabe}.orbit-tick{position:absolute;width:29px;height:1px;background:#bff29a;opacity:.8}.tick-a{top:25%;left:49%;transform:rotate(24deg)}.tick-b{top:82%;left:33%;transform:rotate(-30deg)}.floating-label{position:absolute;z-index:2;display:flex;align-items:center;gap:8px;font-size:9px;letter-spacing:.07em;color:#d8f2de;padding:11px 13px;background:rgba(10,29,29,.83);border:1px solid rgba(210,251,196,.22);border-radius:5px;backdrop-filter:blur(10px);box-shadow:0 12px 25px rgba(0,0,0,.1)}.floating-label b{font-weight:500}.floating-label .mini-line{background:var(--lime);width:12px;height:2px}.label-one{top:21%;left:2%}.label-two{top:48%;right:1%}.label-three{bottom:17%;left:7%}@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.trust-strip{display:flex;align-items:center;gap:50px;border:1px solid var(--border);border-radius:10px;padding:25px 34px;margin-bottom:108px;background:rgba(16,38,39,.57)}.trust-intro{display:flex;align-items:center;gap:16px;margin-right:auto}.trust-spark{font-size:38px;color:var(--lime);line-height:1}.trust-intro strong{font-size:13px;line-height:1.55;font-weight:600}.trust-item{display:flex;gap:11px;align-items:center;font-size:12px;color:#b9c9c1;white-space:nowrap}.trust-icon{color:var(--lime);font-size:13px}.trust-detail{font-size:9px;letter-spacing:.12em;color:#829a8d;white-space:nowrap}
.about-section{padding:0 0 100px;scroll-margin-top:40px}.section-eyebrow{justify-content:space-between;color:var(--lime);border-top:1px solid var(--border);padding-top:22px}.section-eyebrow span:last-child{color:#8da69c}.about-top{display:flex;justify-content:space-between;align-items:end;gap:80px;margin-top:20px}.about-top h2{font-size:clamp(35px,4.1vw,55px);line-height:1.35;letter-spacing:-.05em;font-weight:600;margin:0}.about-top h2 em{font-style:normal;color:var(--lime)}.about-top p{max-width:390px;color:#a7b9b1;font-size:14px;line-height:2;margin:0 0 7px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin-top:45px}.feature-card{background:rgba(18,38,41,.6);border:1px solid var(--border);border-radius:12px;padding:27px;min-height:319px;overflow:hidden;transition:transform .25s,border .25s}.feature-card:hover{transform:translateY(-4px);border-color:rgba(208,252,153,.38)}.feature-head{display:flex;align-items:center;justify-content:space-between;color:#b5c8bd;font-size:9px;letter-spacing:.15em;font-weight:700}.feature-icon{font-size:21px;color:var(--lime)}.feature-illustration{height:120px;position:relative;display:flex;justify-content:center;align-items:center}.illustration-one span{position:absolute;width:155px;height:68px;border-radius:50%;border:1px solid #c2f5a8;transform:rotate(-27deg)}.illustration-one span:nth-child(2){width:120px;height:53px;transform:rotate(32deg);opacity:.7}.illustration-one span:nth-child(3){width:18px;height:18px;border-radius:50%;border:0;background:var(--lime);box-shadow:0 0 28px #d4fca177}.illustration-two span{position:absolute;width:90px;height:90px;border:1px solid #b3e7c2;border-radius:50%}.illustration-two span:nth-child(2){height:61px;width:61px;border:11px solid rgba(194,242,173,.18);box-shadow:inset 0 0 0 1px #b3e7c277}.illustration-two span:nth-child(3){width:18px;height:18px;background:var(--lime);border:0}.illustration-three span{position:absolute;height:1px;width:180px;background:#9acdb2;transform:rotate(-28deg)}.illustration-three span:nth-child(2){transform:rotate(28deg)}.illustration-three span:nth-child(3){height:43px;width:43px;border:1px solid var(--lime);border-radius:50%;background:#193d36;box-shadow:0 0 0 10px #b8f4a010;transform:none}.feature-card h3{font-size:18px;font-weight:600;margin:5px 0 10px}.feature-card p{margin:0;font-size:12px;line-height:1.9;color:#9eb2a9}.about-cta{margin-top:20px;background:var(--lime);border-radius:10px;color:#14241d;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:32px 39px}.about-cta>div{display:flex;flex-direction:column}.about-cta>div>span{font-size:11px;letter-spacing:.08em}.about-cta strong{font-size:20px;margin-top:4px}.dark-button{background:#10251f;color:#e9f3e8;min-width:158px;min-height:49px;border:0;border-radius:5px;font-size:13px;padding:0 20px;display:flex;gap:25px;align-items:center;justify-content:space-between}.dark-button:hover{background:#29493c}.site-footer{padding:27px 0 32px;border-top:1px solid var(--border);display:grid;grid-template-columns:1fr 2fr auto;gap:35px;align-items:center;color:#83998f}.footer-brand{color:#e1ebdd;font-size:15px;font-weight:600;white-space:nowrap}.footer-brand span{font-size:9px;letter-spacing:.12em;margin-left:9px;color:#83988d}.site-footer p{font-size:10px;line-height:1.85;margin:0;max-width:530px}.site-footer>span:last-child{font-size:9px;letter-spacing:.12em;white-space:nowrap}
/* Quiz screen */
.quiz-screen{padding:36px 0 110px;min-height:780px}.quiz-topline,.progress-heading,.quiz-bottom-caption{display:flex;justify-content:space-between;align-items:center}.back-home{background:none;border:0;color:#a7c5b9;display:flex;align-items:center;gap:11px;font-size:12px;padding:10px 0}.back-home:hover{color:var(--lime)}.back-home span{font-size:20px}.quiz-top-badge{display:flex;align-items:center;gap:11px;font-size:9px;letter-spacing:.12em;color:#a0b8aa;font-weight:650}.progress-heading{margin-top:45px;font-size:10px;letter-spacing:.19em;color:#9ab0a5;font-weight:700}.progress-heading span:last-child{font-size:14px;letter-spacing:.08em;color:var(--lime)}.progress-track{height:4px;border-radius:8px;background:#28413c;overflow:hidden;margin:15px 0 51px}.progress-track>span{display:block;width:20%;height:100%;background:var(--lime);transition:width .35s}.quiz-layout{display:grid;grid-template-columns:280px 1fr;gap:35px;align-items:stretch}.quiz-aside{border:1px solid var(--border);border-radius:12px;background:rgba(24,47,45,.62);padding:36px;position:relative;min-height:534px;display:flex;flex-direction:column}.aside-number>span{display:block;font-size:11px;letter-spacing:.2em;color:#a1baaa;font-weight:700}.aside-number>strong{font-family:Arial,Helvetica,sans-serif;font-size:72px;letter-spacing:-.06em;line-height:1.5;font-weight:500}.aside-number>strong span{font-size:18px;letter-spacing:-.02em;color:#7a9990}.aside-divider{height:1px;background:var(--border);margin:12px 0 31px}.aside-topic{font-size:20px;font-weight:650;color:var(--lime)}.quiz-aside p{font-size:13px;color:#9bb6a8;line-height:2;margin:15px 0}.aside-accent{display:flex;justify-content:space-between;align-items:center;margin-top:auto;color:var(--lime)}.aside-accent span:first-child{font-size:60px;font-weight:200;line-height:1}.aside-accent span:last-child{font-size:9px;letter-spacing:.13em;color:#849a8e}.question-card{border:1px solid rgba(200,241,211,.20);border-radius:12px;padding:37px 46px 32px;background:linear-gradient(135deg,rgba(27,54,50,.91),rgba(14,32,35,.9));box-shadow:var(--shadow)}.question-kicker{display:flex;justify-content:space-between;align-items:center;font-size:10px;letter-spacing:.14em;color:var(--lime);font-weight:700}.question-deco{font-size:24px}.question-card h2{max-width:680px;margin:23px 0 11px;font-size:clamp(24px,2.7vw,34px);font-weight:600;line-height:1.55;letter-spacing:-.035em}.question-helper{font-size:12px;color:#9fb9ac;margin:0 0 26px}.answers{display:grid;gap:11px}.answer-option{width:100%;display:flex;text-align:left;align-items:center;gap:19px;border:1px solid rgba(186,222,206,.14);padding:16px 19px;background:rgba(6,26,28,.52);color:#deebe4;border-radius:8px;transition:border .2s,background .2s,transform .2s;min-height:63px}.answer-option:hover{border-color:#c3f79484;background:rgba(119,161,123,.13);transform:translateX(2px)}.answer-option[aria-pressed="true"]{border-color:var(--lime);background:rgba(174,239,135,.13);box-shadow:inset 0 0 0 1px rgba(194,251,149,.14)}.answer-letter{width:30px;height:30px;display:grid;place-items:center;flex:0 0 30px;border:1px solid rgba(201,242,202,.28);border-radius:5px;font-family:Arial,Helvetica,sans-serif;font-size:11px;font-weight:700;color:#b4cdbb}.answer-option[aria-pressed="true"] .answer-letter{color:#193324;background:var(--lime);border-color:var(--lime)}.answer-text{font-size:13px;line-height:1.7;flex:1}.answer-check{font-size:18px;color:var(--lime);opacity:0}.answer-option[aria-pressed="true"] .answer-check{opacity:1}.question-footer{border-top:1px solid var(--border);margin-top:28px;padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:15px}.answer-help{display:flex;align-items:center;gap:9px;color:#91ac9f;font-size:11px}.hint-dot{width:5px;height:5px;background:var(--lime);border-radius:50%}.quiz-controls{display:flex;gap:9px}.secondary-button,.next-button{padding:0 17px;height:43px;border-radius:5px;font-size:12px;transition:background .2s}.secondary-button{border:1px solid rgba(194,232,205,.3);color:#e0efe4;background:transparent}.secondary-button:hover{background:#ffffff0b}.secondary-button:disabled{opacity:.32}.next-button{border:1px solid var(--lime);background:var(--lime);color:#183222;min-width:110px;font-weight:700}.next-button span{font-size:17px;margin-left:9px}.next-button:hover:not(:disabled){background:#e3ffbe}.next-button:disabled{opacity:.38}.quiz-bottom-caption{font-size:9px;letter-spacing:.11em;color:#728f85;margin-top:25px}
/* Result dialog */
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