:root{--brand:#9c49fe;--brand-dark:#7a2be0;--brand-soft:#f3ebff;--accent:#feb501;--ink:#14181f;--ink-2:#4b5563;--ink-3:#8a94a6;--bg:#ffffff;--bg-soft:#faf9fe;--line:#eceaf4;--radius:14px;--shadow:0 2px 12px rgba(124,43,224,0.07);--shadow-lg:0 8px 32px rgba(124,43,224,0.12);--nav-h:58px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}body{padding-top:var(--nav-h)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 18px}.section{padding:44px 0}.section-soft{background:var(--bg-soft)}.sec-title{font-size:22px;font-weight:700;margin:0 0 8px;letter-spacing:-.3px}.sec-sub{color:var(--ink-3);font-size:14px;margin:0 0 24px}.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:100}.nav-in{height:100%;justify-content:space-between;gap:12px}.logo,.nav-in{display:flex;align-items:center}.logo{gap:8px;font-size:18px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}.logo-mark{width:30px;height:30px;display:block}.nav-links{display:none;align-items:center;gap:22px;font-size:15px;color:var(--ink-2)}.nav-links a:hover{color:var(--brand)}.nav-cta{display:inline-block;background:var(--brand);color:#fff;padding:8px 16px;border-radius:999px;font-size:14px}.btn,.nav-cta{font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;cursor:pointer;font-family:inherit;font-size:16px;padding:13px 22px;border-radius:12px;min-height:46px;transition:transform .15s,box-shadow 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small{font-size:12px;font-weight:500;color:var(--ink-3);margin-left:4px}.card-go{font-size:14px;color:var(--brand);font-weight:600}.proof{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:14px;gap:14px}.proof-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 14px;text-align:center}.proof-num{font-size:27px;font-weight:800;color:var(--brand);line-height:1.2}.proof-num span{font-size:13px;font-weight:600;margin-left:2px}.proof-label{font-size:13px;color:var(--ink-3);margin-top:4px}.steps{display:grid;grid-template-columns:1fr;grid-gap:14px;gap:14px;counter-reset:step}.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:relative}.step-n{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;margin-bottom:10px}.step h4{margin:0 0 6px;font-size:15px;font-weight:700}.step p{margin:0;font-size:14px;color:var(--ink-2)}.form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}.field{margin-bottom:14px}.label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}.label .req{color:#e11d48;margin-left:2px}.hint{font-size:12px;color:var(--ink-3);font-weight:400;margin-left:4px}.input,.select,.textarea{width:100%;font-family:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;min-height:48px;outline:none;transition:border-color .15s}.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.1)}.textarea{min-height:96px;resize:vertical;line-height:1.6}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%238a94a6' d='M6 8 0 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var(--brand)}.intro-p{font-size:15px;line-height:1.95;color:var(--ink-2);margin:0 0 12px}.intro-p:last-child{margin-bottom:0}.page-slogan{font-size:19px;font-weight:700;color:var(--brand);margin:8px 0 6px;line-height:1.5}@media (min-width:768px){.page-slogan{font-size:23px}}.hero-compact{padding:4px 0 14px}.hero-compact h1{font-size:22px;margin:8px 0 4px}.hero-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;color:var(--ink-3);font-size:14px;margin-top:8px}.hero-meta b{font-size:20px;font-weight:800}.more-sec{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}.more-sec summary{cursor:pointer;list-style:none;padding:15px 18px;font-weight:700;font-size:15px;display:flex;justify-content:space-between;align-items:center;-webkit-user-select:none;-moz-user-select:none;user-select:none}.more-sec summary::-webkit-details-marker{display:none}.more-sec summary:after{content:"+";font-size:22px;font-weight:400;color:var(--ink-3);line-height:1}.more-sec[open] summary:after{content:"−"}.more-sec[open] summary{border-bottom:1px solid var(--line)}.more-body{padding:16px 18px 18px}.cards-3 .card-name{margin-bottom:6px}@media (min-width:768px){.cards-3{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.cards-3{grid-template-columns:repeat(3,1fr)}}.smart-card{border:1.5px solid var(--brand);border-radius:var(--radius);padding:14px;margin-bottom:18px;background:linear-gradient(180deg,var(--brand-soft) 0,#ffffff 100%)}.smart-head{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}.smart-ico{font-size:16px}.smart-head b{font-size:15px;color:var(--brand-dark)}.smart-sub{font-size:12px;color:var(--ink-3)}.smart-area{width:100%;font-family:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 13px;line-height:1.6;resize:vertical;outline:none;transition:border-color .15s}.smart-area:focus{border-color:var(--brand)}.smart-actions{display:flex;gap:10px;margin-top:10px}.mic-btn{flex:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:0 16px;font-size:14px;font-family:inherit;cursor:pointer;min-height:42px;transition:all .15s}.mic-btn.on{background:#fdecec;border-color:#f3a4a4;color:#d11a1a;font-weight:600}.mic-btn:disabled{opacity:.5;cursor:not-allowed}.smart-tip{font-size:12px;color:var(--ink-3);margin:8px 0 0;line-height:1.6}.smart-result{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;padding:9px 12px;background:#ecfdf3;border:1px solid #b7ebc8;border-radius:10px;font-size:13px;color:#1a7f37}.smart-clear{flex:none;border:none;background:transparent;color:var(--brand);font-size:13px;cursor:pointer;font-family:inherit;padding:0}