:root{--blue:#086bd3;--deep:#103958;--muted:#6f879b;--line:#dfeaf3;--sky:#edf8ff;--orange:#f5823b;--white:#fff;--shadow:0 18px 44px rgba(24,92,143,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--deep);background:radial-gradient(circle at 0% 8%,#dff4ff 0,transparent 29%),radial-gradient(circle at 100% 3%,#fff2da 0,transparent 24%),#f7fbff;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #70bcff;outline-offset:2px}.site-header{height:76px;position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:24px;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(213,231,244,.85);padding:0 max(24px,calc((100vw - 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.num{display:inline-block;color:#ef8138;font-size:13px;font-weight:900;margin-bottom:10px}.guide-card h3{font-size:20px;margin:0 0 9px}.guide-card p{font-size:14px;line-height:1.8;color:#678298;margin:0}.guide-card button{margin-top:15px}.loading{padding:70px 20px;text-align:center;color:#7d9aaf}.status-note{font-size:12px;color:#91a3ae;margin:15px 2px}.toast{position:fixed;z-index:100;left:50%;bottom:28px;transform:translateX(-50%);background:#173c58;color:white;border-radius:999px;padding:12px 19px;box-shadow:0 9px 28px #19456238;font-size:13px;max-width:92vw;text-align:center}.mobile-nav{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:1170px){.page-grid{grid-template-columns:180px minmax(0,1fr);max-width:1040px}.right-rail{display:none}.site-header{padding:0 24px}}
@media(max-width:780px){.site-header{height:60px;padding:0 18px}.brand{font-size:20px}.brand-mark{width:34px;height:34px;border-radius:10px}.desktop-links,.sidebar{display:none}.header-actions .soft-btn{display:none}.header-actions .blue-btn{min-height:36px;padding:7px 13px;font-size:12px}.page-grid{display:block;padding:0 14px;margin:14px auto 100px}.banner{border-radius:17px}.hero{padding:22px 19px 23px;border-radius:20px}.hero h1{font-size:26px}.hero-questions li{font-size:13px}.hero-actions button{flex:1;min-width:140px;font-size:13px;padding:9px 10px}.section-heading{margin-top:24px}.section-heading h2{font-size:21px}.section-heading p{font-size:12px}.filter{min-width:38vw;font-size:13px;padding:9px 12px}.post-card{padding:17px 17px;border-radius:18px}.post-card h3{font-size:17px}.post-card p{font-size:13px}.feature-row{grid-template-columns:repeat(3,1fr);gap:6px}.feature{padding:12px;min-height:105px}.feature b{font-size:21px}.feature h3{font-size:13px}.feature p{font-size:11px}.page-title h1{font-size:26px}.form-panel,.detail,.detail-section,.profile-top{padding:19px;border-radius:20px}.form-foot{align-items:stretch;flex-direction:column}.form-foot button{width:100%}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:30;height:70px;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.96);border-top:1px solid #e5eff5;justify-content:space-around;align-items:center;backdrop-filter:blur(15px)}.mobile-nav a{display:grid;justify-items:center;gap:3px;min-width:60px;color:#8b9aaa;font-weight:700;font-size:11px}.mobile-nav a.active{color:#0871d5}.mobile-nav .nav-symbol{font-size:20px}.toast{bottom:84px}.login-code{font-size:26px;letter-spacing:.15em}}
@media(max-width:380px){.hero-actions{flex-direction:column}.filter{min-width:42vw}.brand{font-size:18px}.header-actions .blue-btn{padding:6px 9px}}
.rail-cta{display:block;text-align:center}.spaced-heading-sm{margin-top:11px}.spaced-heading-md{margin-top:12px}.spaced-row{margin-top:14px}.keep-together{white-space:nowrap}
.check-field{display:flex;align-items:center;gap:10px;margin:0 0 18px;color:#526f86;font-size:14px;font-weight:700}.check-field input{width:18px;height:18px;accent-color:#0870d7}
.site-footer{max-width:1360px;margin:0 auto 34px;padding:18px 24px 26px;border-top:1px solid #dceaf4;display:flex;justify-content:center;gap:10px 22px;flex-wrap:wrap;color:#7891a4;font-size:12px}.site-footer a:hover{text-decoration:underline;color:#086bd3}.report-link{margin-left:auto;color:#8299aa;font-size:12px;padding:8px}.report-link:hover{color:#086bd3;text-decoration:underline}.detail>.report-link{display:inline-block;margin-top:15px}
@media(max-width:780px){.site-footer{margin-bottom:78px;padding:18px 20px 28px;justify-content:flex-start}}
.demo-notice{margin:12px 0 16px;padding:13px 16px;border:1px solid #d5e8f6;border-radius:14px;background:#eff8ff;color:#496e8b;font-size:13px;line-height:1.6}.demo-badge{display:inline-flex;vertical-align:middle;align-items:center;margin-left:6px;padding:2px 7px;border-radius:7px;background:#e5f3ff;color:#2874ad;font-size:11px;font-weight:800;white-space:nowrap}.group-goal-link{display:inline-flex;margin-left:10px}
@media(max-width:780px){.hero h1{font-size:24px;letter-spacing:-.055em}.hero-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.hero-actions a{min-width:0;display:grid;place-items:center;text-align:center;line-height:1.35;padding:10px 7px;font-size:12px}.hero-actions a:first-child{padding-left:4px;padding-right:4px}}
@media(max-width:380px){.hero-actions{grid-template-columns:1fr}.hero h1{font-size:22px}}