:root{
  --ink:#071f31;
  --muted:#5f7786;
  --line:rgba(10,69,96,.15);
  --paper:#f3f7f5;
  --white:#fff;
  --blue:#0d6f9f;
  --teal:#0d7280;
  --gold:#c99a3c;
  --serif:"Songti SC","STSong","Noto Serif CJK SC",serif;
  --sans:"SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit}
button,a{font:inherit}
:focus-visible{outline:3px solid rgba(31,157,179,.35);outline-offset:4px}
.site-head{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:66px;padding:10px clamp(20px,5vw,70px);border-bottom:1px solid rgba(13,73,97,.1);background:rgba(247,250,248,.88);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.brand img{width:38px;height:38px}.brand span{display:grid}.brand b{font:800 16px/1.1 var(--serif)}.brand small{margin-top:3px;color:#69808b;font-size:8px;letter-spacing:.15em}
.site-nav{display:flex;align-items:center;gap:20px}.site-nav a{color:#456574;font-size:12px;font-weight:700;text-decoration:none}.site-nav .nav-cta{padding:10px 16px;border-radius:999px;color:#fff;background:#0c637d}
.page-shell{overflow:hidden}
.hero{position:relative;isolation:isolate;min-height:680px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.75fr);align-items:center;gap:60px;padding:90px clamp(24px,7vw,118px) 105px;background:#f8faf8}
.hero::before{content:"";position:absolute;z-index:-2;inset:0 0 0 45%;background:url("../img/ui/home-landscape-2026-v1.webp") 58% center/cover no-repeat;opacity:.4;filter:saturate(.74)}
.hero::after{content:"";position:absolute;z-index:-1;inset:0;background:linear-gradient(90deg,#f8faf8 0%,#f8faf8 43%,rgba(248,250,248,.84) 60%,rgba(248,250,248,.3) 100%)}
.hero-copy{position:relative;z-index:1;max-width:760px}
.eyebrow{margin:0;color:#137b91;font-size:10px;font-weight:850;letter-spacing:.24em;text-transform:uppercase}
.hero h1{margin:18px 0 25px;font:850 clamp(48px,6vw,86px)/1.03 var(--serif);letter-spacing:-.065em}.hero h1 em{display:block;color:var(--blue);font-style:normal}
.hero-lead{max-width:680px;margin:0;color:#466574;font-size:clamp(16px,1.4vw,20px);line-height:1.9;text-wrap:pretty}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.button{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 22px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.78);font-size:13px;font-weight:800;text-decoration:none;transition:transform .25s,box-shadow .25s,background .25s}.button:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(9,69,95,.12)}.button.primary{color:#fff;border-color:transparent;background:linear-gradient(135deg,#0b6997,#0c7d85)}
.hero-card{position:relative;z-index:1;align-self:end;margin-bottom:12px;padding:30px;border:1px solid rgba(255,255,255,.52);border-radius:26px;color:#e7f3f5;background:rgba(6,42,59,.89);box-shadow:0 30px 80px rgba(8,53,70,.2);backdrop-filter:blur(16px)}.hero-card>span{color:#85d2da;font-size:9px;font-weight:850;letter-spacing:.18em}.hero-card strong{display:block;margin:15px 0 22px;color:#fff;font:750 27px/1.35 var(--serif)}.hero-card dl{margin:0}.hero-card dl div{display:grid;grid-template-columns:78px 1fr;gap:14px;padding:13px 0;border-top:1px solid rgba(223,244,246,.13)}.hero-card dt{color:#7fb9c1;font-size:10px}.hero-card dd{margin:0;font-size:12px;line-height:1.65}
.proof-strip{display:grid;grid-template-columns:repeat(3,1fr);max-width:1120px;margin:-34px auto 0;position:relative;z-index:3;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 24px 65px rgba(11,65,89,.08)}.proof-strip div{padding:25px 28px;border-right:1px solid var(--line)}.proof-strip div:last-child{border-right:0}.proof-strip span{display:block;color:#83959c;font-size:9px;font-weight:800;letter-spacing:.14em}.proof-strip b{display:block;margin-top:8px;color:#163d50;font-size:14px}
.content{max-width:1120px;margin:0 auto;padding:110px 28px}.content.narrow{max-width:900px}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,380px);gap:65px;align-items:end;margin-bottom:46px}.section-head h2{margin:12px 0 0;font:800 clamp(34px,4vw,54px)/1.12 var(--serif);letter-spacing:-.05em}.section-head>p{margin:0;color:var(--muted);font-size:13px;line-height:1.85}
.change-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.change-card{min-height:260px;padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff}.change-card .number{color:#218ba1;font:700 12px Georgia,serif}.change-card h3{margin:34px 0 12px;font:760 21px/1.4 var(--serif)}.change-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.85}.change-card ul{padding-left:18px;color:var(--muted);font-size:12px;line-height:1.9}
.subject-table{overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#fff}.subject-row{display:grid;grid-template-columns:90px 170px 1fr;gap:24px;padding:24px 28px;border-bottom:1px solid var(--line)}.subject-row:last-child{border-bottom:0}.subject-row>span{color:#1c8499;font:700 12px Georgia,serif}.subject-row b{font:750 16px var(--serif)}.subject-row p{margin:0;color:var(--muted);font-size:12px;line-height:1.75}
.source-note{margin-top:30px;padding:24px 27px;border-left:3px solid var(--gold);background:#fffaf0}.source-note b{display:block;margin-bottom:8px}.source-note p{margin:0;color:#776846;font-size:12px;line-height:1.8}.source-note a{color:#8d651b;font-weight:750}
.dark-section{color:#d8ebef;background:#08283c}.dark-section .content{padding-top:100px;padding-bottom:100px}.dark-section .eyebrow{color:#78cad4}.dark-section h2{color:#fff}.dark-section .section-head>p{color:#9ebbc4}.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(215,239,242,.16)}.step{min-height:230px;padding:30px 24px 20px 0}.step i{color:#74c6d1;font:700 11px Georgia,serif;font-style:normal}.step h3{margin:45px 0 12px;color:#fff;font:700 17px var(--serif)}.step p{margin:0;color:#9bb9c2;font-size:12px;line-height:1.8}
.faq{display:grid;gap:10px}.faq details{padding:20px 24px;border:1px solid var(--line);border-radius:14px;background:#fff}.faq summary{cursor:pointer;font:750 15px var(--serif)}.faq p{margin:16px 0 2px;color:var(--muted);font-size:12px;line-height:1.85}
.final-cta{display:grid;grid-template-columns:1fr auto;align-items:center;gap:35px;max-width:1064px;margin:0 auto 90px;padding:50px 55px;border-radius:28px;color:#e3f1f3;background:linear-gradient(130deg,#092f48,#0b7480)}.final-cta span{color:#8ad2da;font-size:9px;font-weight:850;letter-spacing:.17em}.final-cta h2{margin:10px 0 8px;color:#fff;font:750 clamp(28px,3vw,42px)/1.2 var(--serif)}.final-cta p{margin:0;color:#acd0d5;font-size:12px;line-height:1.7}.final-cta .button{color:#0b5267;background:#fff}
.site-footer{max-width:1120px;margin:0 auto;padding:35px 28px 55px;border-top:1px solid var(--line);color:#758993;font-size:10px;line-height:1.7}.site-footer a{font-weight:750}

/* Diagnostic */
.diagnostic-hero{min-height:560px;grid-template-columns:minmax(0,1fr) 390px}.diagnostic-hero h1 em{display:block}.diagnostic-hero::before{opacity:.3}.diagnostic-hero .hero-card{align-self:center;margin:0}.diagnostic-hero .hero-card ol{margin:18px 0 0;padding-left:20px;color:#b7d4d9;font-size:12px;line-height:1.9}
.quiz-wrap{max-width:900px;margin:0 auto;padding:88px 24px 110px}.quiz-intro{text-align:center}.quiz-intro h2{margin:12px 0;font:800 clamp(34px,4.5vw,52px)/1.15 var(--serif);letter-spacing:-.05em}.quiz-intro p{max-width:610px;margin:0 auto;color:var(--muted);font-size:13px;line-height:1.8}
.quiz-panel{margin-top:42px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 25px 70px rgba(10,67,90,.08);overflow:hidden}.quiz-progress{height:4px;background:#dfe9e9}.quiz-progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,#0c7694,#34a8ad);transition:width .3s}.quiz-body{min-height:430px;padding:38px 42px}.quiz-meta{display:flex;justify-content:space-between;color:#77909a;font-size:10px;font-weight:750;letter-spacing:.1em}.quiz-question{margin:32px 0 25px;font:750 clamp(21px,3vw,29px)/1.5 var(--serif)}.quiz-options{display:grid;gap:10px}.quiz-option{width:100%;display:grid;grid-template-columns:34px 1fr;gap:13px;align-items:center;padding:15px 17px;text-align:left;border:1px solid var(--line);border-radius:12px;color:#244b5d;background:#fbfdfc;cursor:pointer;transition:border-color .2s,background .2s,transform .2s}.quiz-option:hover{transform:translateX(2px);border-color:rgba(17,137,158,.4)}.quiz-option i{width:29px;height:29px;display:grid;place-items:center;border-radius:50%;color:#267e91;background:#e9f3f3;font:700 10px Georgia,serif;font-style:normal}.quiz-option.is-selected{border-color:#1592a2;background:#effafa}.quiz-option.is-selected i{color:#fff;background:#12869a}.quiz-actions{display:flex;justify-content:flex-end;padding:20px 42px;border-top:1px solid var(--line);background:#f8faf9}.quiz-actions button{min-width:130px;min-height:44px;border:0;border-radius:999px;color:#fff;background:#0d7189;font-weight:800;cursor:pointer}.quiz-actions button:disabled{opacity:.4;cursor:not-allowed}
.quiz-result{padding:44px 42px}.result-kicker{color:#18859a;font-size:9px;font-weight:850;letter-spacing:.18em}.result-score{display:flex;align-items:baseline;gap:8px;margin:16px 0}.result-score b{color:#0a668c;font:800 68px/1 Georgia,serif}.result-score span{color:#718992;font-size:12px}.quiz-result h3{margin:0;font:750 28px/1.4 var(--serif)}.quiz-result>p{color:var(--muted);font-size:13px;line-height:1.8}.result-breakdown{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:28px 0}.result-breakdown div{padding:18px;border:1px solid var(--line);border-radius:13px}.result-breakdown span{display:block;color:#81949b;font-size:9px}.result-breakdown b{display:block;margin-top:7px;font-size:16px}.result-actions{display:flex;flex-wrap:wrap;gap:10px}.result-actions button{min-height:50px;padding:0 20px;border:1px solid var(--line);border-radius:999px;color:#1e6075;background:#fff;font-weight:800;cursor:pointer}.result-actions .primary{color:#fff;border:0;background:#0d7189}
.quiz-review{margin-top:34px;padding-top:28px;border-top:1px solid var(--line)}.quiz-review h4{margin:0 0 15px;font:750 18px var(--serif)}.quiz-review details{padding:14px 0;border-bottom:1px solid var(--line)}.quiz-review summary{cursor:pointer;color:#244d5e;font-size:12px;font-weight:700;line-height:1.6}.quiz-review p{margin:12px 0 2px;padding-left:20px;color:var(--muted);font-size:11px;line-height:1.8}.quiz-result strong{color:#0d758a}
.noscript{margin:20px;padding:16px;border:1px solid #d7a34a;background:#fff8e8;color:#6c5428}

@media(max-width:820px){
  .site-nav a:not(.nav-cta){display:none}.hero,.diagnostic-hero{min-height:auto;grid-template-columns:1fr;gap:35px;padding:70px 24px 90px}.hero::before{inset:44% 0 0}.hero::after{background:linear-gradient(180deg,#f8faf8 0%,#f8faf8 53%,rgba(248,250,248,.74) 78%,rgba(248,250,248,.22) 100%)}.hero h1{font-size:48px}.hero-card{align-self:auto}.proof-strip{grid-template-columns:1fr;margin:-28px 18px 0}.proof-strip div{border-right:0;border-bottom:1px solid var(--line)}.proof-strip div:last-child{border-bottom:0}.content{padding:80px 22px}.section-head{display:block}.section-head>p{margin-top:18px}.change-grid{grid-template-columns:1fr}.subject-row{grid-template-columns:55px 1fr}.subject-row p{grid-column:2}.steps{grid-template-columns:1fr}.step{min-height:auto;border-bottom:1px solid rgba(215,239,242,.13)}.step h3{margin-top:22px}.final-cta{display:block;margin:0 14px 65px;padding:40px 28px}.final-cta .button{width:100%;margin-top:24px}.quiz-body,.quiz-result{padding:30px 22px}.quiz-actions{padding:16px 22px}.result-breakdown{grid-template-columns:1fr}.diagnostic-hero .hero-card{margin:0}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important}}