:root{color-scheme:light;--ink:#142442;--muted:#748098;--blue:#1556e8;--line:#e4e9f1;--surface:#fff;--canvas:#f5f8fd;--soft:#edf3ff;--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #91b5ff;outline-offset:2px}[hidden]{display:none!important}.topbar{height:74px;background:#fff;border-bottom:1px solid #e8edf5}.topbar-inner{max-width:1260px;height:100%;padding:0 30px;margin:auto;display:flex;align-items:center;gap:80px}.brand{display:flex;align-items:center;gap:10px;color:#142442;font-size:19px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}.brand-mark{display:flex;align-items:end;gap:3px;height:26px}.brand-mark i{display:block;width:6px;background:#3572f2;border-radius:2px 2px 0 0}.brand-mark i:nth-child(1){height:10px;opacity:.55}.brand-mark i:nth-child(2){height:17px;opacity:.75}.brand-mark i:nth-child(3){height:25px}.topbar nav{display:flex;height:100%;align-items:center;gap:40px}.topbar nav a{height:100%;display:flex;align-items:center;color:#46516a;font-weight:650;position:relative}.topbar nav a:hover{color:var(--blue)}.topbar nav a:first-child{color:var(--blue)}.topbar nav a:first-child:after{content:"";height:3px;background:var(--blue);position:absolute;left:0;right:0;bottom:0}.header-note{margin-left:auto;color:#8994a8;font-size:12px;white-space:nowrap}.header-note span{display:inline-block;width:7px;height:7px;border-radius:50%;background:#8fb4ff;margin-right:5px}main{max-width:1200px;margin:auto;padding:0 30px}.hero{position:relative;display:flex;justify-content:space-between;align-items:center;min-height:330px;padding:48px 0 46px;overflow:hidden}.eyebrow{font-size:10px;font-weight:800;letter-spacing:.16em;color:#7790ba;margin:0 0 14px}.eyebrow span{color:#b9c9e2}.hero h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-.055em;margin:0 0 19px;font-weight:800}.hero h1 em{font-style:normal;color:var(--blue)}.hero p:not(.eyebrow){font-size:15px;line-height:1.9;color:#78859a;margin:0}.hero-link{display:inline-flex;align-items:center;gap:35px;margin-top:24px;background:var(--blue);border-radius:7px;padding:11px 17px;color:white;font-weight:700}.hero-link:hover,.primary-button:hover,#quote-search:hover{background:#1048c4}.hero-art{width:34%;max-width:380px;height:240px;background:linear-gradient(145deg,#eff5ff,#e2edff);border:1px solid #e3ecfa;border-radius:20px;padding:23px;color:#7c9fe2;display:flex;flex-direction:column;justify-content:space-between;transform:rotate(-2deg)}.art-label,.art-caption{font-size:10px;font-weight:800;letter-spacing:.13em}.art-figure{display:flex;align-items:center;justify-content:center;gap:22px;color:#a8c3f6;font-size:30px}.art-figure strong{color:var(--blue);font-size:112px;line-height:1;font-weight:750;letter-spacing:-.08em}.art-caption{display:flex;justify-content:space-between}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:16px 0 20px}.section-heading .eyebrow{margin-bottom:7px}.section-heading h2{margin:0;font-size:26px;line-height:1.3;letter-spacing:-.03em}.section-heading p:not(.eyebrow){margin:6px 0 0;color:var(--muted)}.section-count{font-weight:800;color:var(--blue);font-size:16px;white-space:nowrap}.section-count small{color:#9ba8bb;font-weight:500;font-size:11px}.featured-tool{display:grid;grid-template-columns:175px minmax(0,1fr) 210px;gap:30px;align-items:center;padding:24px;background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 30px rgba(34,68,120,.035);transition:border-color .2s,transform .2s}.featured-tool:hover{border-color:#abc4fc;transform:translateY(-2px)}.featured-icon{min-height:155px;background:linear-gradient(145deg,#e5efff,#f3f7ff);border-radius:10px;display:grid;place-items:center}.featured-icon svg{width:100px;fill:none;stroke:#2a69f1;stroke-width:5;stroke-linecap:round;stroke-linejoin:round}.badge{background:#eaf1ff;color:#2864e0;font-size:11px;font-weight:700;padding:5px 9px;border-radius:5px}.featured-copy h3{font-size:23px;letter-spacing:-.035em;margin:13px 0 5px}.featured-copy p{margin:0;color:#78859a}.featured-link{display:inline-flex;gap:25px;background:var(--blue);color:white;border-radius:6px;padding:9px 15px;margin-top:19px;font-weight:700}.featured-preview{background:#f6f9ff;border-radius:9px;padding:17px 18px;color:#7a89a2;font-size:12px}.featured-preview>span{display:block;margin-bottom:12px;color:#7f9ccf;font-weight:700}.featured-preview div{display:flex;justify-content:space-between;padding:6px 0}.featured-preview div:last-child{border-top:1px solid #e2eaf8;margin-top:6px;padding-top:12px}.featured-preview b{color:#34415a}.featured-preview strong{color:var(--blue);font-size:17px}.secondary-heading{margin-top:45px}.secondary-heading h2{font-size:21px}.secondary-heading .section-count{font-size:10px;letter-spacing:.1em;color:#a4afc2}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.coming-card{min-height:100px;border:1px dashed #cfdaeb;border-radius:10px;background:rgba(255,255,255,.48);padding:20px;display:flex;align-items:center;gap:16px}.coming-icon{height:45px;width:45px;display:grid;place-items:center;background:#edf2fa;color:#7890b2;border-radius:8px;font-size:24px}.coming-card h3{margin:0;font-size:15px}.coming-card p{margin:4px 0 0;font-size:12px;color:#9ba6b9}.coming-label{margin-left:auto;color:#a0aec3;font-size:11px;white-space:nowrap}.home-view{padding-bottom:80px}.calculator-view{padding:28px 0 64px}.breadcrumbs{display:flex;align-items:center;gap:10px;font-size:12px;color:#8e9bb1}.breadcrumbs a:hover{color:var(--blue)}.breadcrumbs strong{color:#5d6a7f;font-weight:600}.calculator-heading{display:flex;align-items:center;gap:18px;margin:30px 0}.calculator-icon{display:grid;place-items:center;background:#e6efff;color:var(--blue);border-radius:12px;width:62px;height:62px;font-size:37px;font-weight:600;flex:none}.calculator-heading .eyebrow{margin:0 0 3px}.calculator-heading h1{font-size:29px;line-height:1.3;letter-spacing:-.035em;margin:0}.calculator-heading p:last-child{margin:6px 0 0;color:var(--muted)}.calculator-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.8fr);gap:0;padding:30px;background:white;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 30px rgba(34,68,120,.035)}.calc-card{padding-right:30px;min-width:0}.card-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px}.step-number{font-size:10px;letter-spacing:.12em;color:#9caabe;font-weight:800}.card-heading h2{font-size:19px;margin:3px 0 0}.card-heading-icon{color:#a4bafa;font-size:23px}.quote-lookup{position:relative;padding-bottom:23px;border-bottom:1px solid #edf0f5}.quote-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.quote-title strong{font-size:14px}.quote-title span{color:#9ba8bc;font-size:11px}.quote-fields{display:grid;grid-template-columns:110px minmax(0,1fr) auto;align-items:end;gap:9px}.quote-fields label,.field label{display:block;font-size:12px;font-weight:700;color:#47536a;margin-bottom:7px}.quote-fields select,.quote-fields input,.input-wrap{height:45px;width:100%;background:white;border:1px solid #d8e0ec;border-radius:7px;color:var(--ink)}.quote-fields select{padding:0 10px}.quote-code{min-width:0}.search-wrap{position:relative}.quote-fields input{padding:0 12px 0 33px;outline:none}.quote-fields input:focus,.input-wrap:focus-within{border-color:#6797ff;box-shadow:0 0 0 3px #eaf1ff}.search-icon{position:absolute;left:12px;top:5px;font-size:23px;line-height:32px;color:#91a1b8;pointer-events:none}#quote-search{height:45px;border:0;border-radius:7px;background:var(--blue);color:white;padding:0 18px;font-weight:700;white-space:nowrap}#quote-search:disabled{opacity:.6;cursor:wait}.quote-hint,.field-note{font-size:11px;color:#9aa7b9;margin:9px 0 0}.quote-status{font-size:12px;color:#3665c2;margin:8px 0 0;line-height:1.65}.quote-status:empty{display:none}.quote-results{position:absolute;top:calc(100% + 5px);left:0;right:0;z-index:5;max-height:250px;overflow:auto;padding:5px;background:#fff;border:1px solid #dce5f2;border-radius:8px;box-shadow:0 12px 28px rgba(37,60,99,.16)}.quote-option{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;text-align:left;background:white;border:0;border-radius:5px;padding:9px;color:#243653;font-size:12px}.quote-option:hover,.quote-option[aria-selected="true"]{background:#edf3ff}.quote-option-name{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.quote-option-code{color:#8794aa}.quote-option-market{background:#edf3ff;color:#4274df;padding:2px 6px;border-radius:4px;font-size:10px}.tabs{display:flex;gap:8px;margin:23px 0 22px;background:#f3f6fb;padding:4px;border-radius:8px}.tab{flex:1;border:0;background:transparent;border-radius:6px;color:#8a98ac;font-size:12px;font-weight:700;padding:9px}.tab.active{background:#fff;color:var(--blue);box-shadow:0 1px 5px #dfe7f2}.price-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label{display:flex;justify-content:space-between;gap:4px}.field label span:last-child:not(:first-child){font-size:10px;color:#a4afc1;font-weight:400}.input-wrap{display:flex;align-items:center}.input-wrap input{width:100%;min-width:0;height:100%;padding:0 12px;border:0;outline:0;background:transparent;color:var(--ink);font-size:15px;font-weight:650}.input-wrap>span{color:#a2aec0;font-size:11px;white-space:nowrap;margin-right:11px}.error{font-size:12px;color:#cc4050;min-height:0;margin:8px 0}.error:empty{display:none}.actions{display:flex;gap:10px;margin-top:22px}.primary-button,.reset-button{height:46px;border-radius:7px;font-weight:700}.primary-button{flex:1;border:0;background:var(--blue);color:white}.primary-button span{margin-left:8px}.reset-button{min-width:90px;border:1px solid #dbe3ee;color:#66758c;background:white}.reset-button:hover{background:#f7f9fc}.example-line{color:#a4afc0;font-size:11px;margin-top:16px}.example-line button{border:0;background:none;padding:0;color:#5081e9;font-size:11px;font-weight:700}.result-column{border-left:1px solid #edf0f5;padding-left:30px;display:flex;flex-direction:column;gap:15px}.result-card{background:#ecf3ff;border-radius:10px;padding:24px;min-height:180px}.result-head{display:flex;justify-content:space-between}.result-spark{color:#88adf8;font-size:20px}.result-label{font-weight:700;font-size:14px;margin:22px 0 2px}.result-value{color:var(--blue);font-size:clamp(34px,4vw,50px);font-weight:800;line-height:1.25;letter-spacing:-.05em}.result-value small{font-size:.45em;letter-spacing:0}.result-detail{font-size:12px;color:#8495b2;margin:9px 0 0}.formula{background:#f6f9fe;border-radius:9px;padding:19px 20px}.formula span{color:#3568cb;font-size:12px;font-weight:700}.formula p{margin:8px 0 0;color:#697991;font-size:12px;line-height:1.7}.tips-card{display:flex;gap:10px;padding:2px 4px}.tips-icon{color:#9db6e5}.tips-card h3{margin:0 0 4px;font-size:12px;color:#7d8da6}.tips-card p{margin:0;color:#a0acbd;font-size:11px;line-height:1.7}.calculator-bottom{display:flex;justify-content:space-between;color:#b2bece;font-size:10px;letter-spacing:.08em;padding:22px 0}.calculator-bottom span:last-child{letter-spacing:0}footer{max-width:1200px;margin:auto;padding:25px 30px 32px;border-top:1px solid #e7edf5;display:flex;justify-content:space-between;gap:20px;color:#a5b1c2;font-size:11px}footer div{display:flex;gap:15px;align-items:center}.footer-brand{font-weight:800;font-size:13px;color:#71839c}footer p{margin:0;letter-spacing:.08em}footer p span{margin-left:10px}
@media(max-width:850px){.topbar-inner{gap:30px}.header-note{display:none}.hero-art{width:36%;height:210px}.featured-tool{grid-template-columns:120px 1fr}.featured-icon{min-height:135px}.featured-preview{display:none}.calculator-layout{grid-template-columns:1fr}.calc-card{padding-right:0}.result-column{border-left:0;border-top:1px solid #edf0f5;padding:25px 0 0;margin-top:25px;display:grid;grid-template-columns:1fr 1fr}.result-card{grid-row:span 2}.formula,.tips-card{align-self:start}}@media(max-width:560px){.topbar{height:64px}.topbar-inner{padding:0 18px;gap:20px}.brand{font-size:16px}.topbar nav{gap:18px;margin-left:auto}.topbar nav a{font-size:12px}main{padding:0 18px}.hero{min-height:auto;padding:45px 0 35px}.hero h1{font-size:38px}.hero-art{display:none}.section-heading{margin-top:5px}.section-heading h2{font-size:23px}.featured-tool{grid-template-columns:1fr;padding:17px;gap:16px}.featured-icon{min-height:90px}.featured-icon svg{width:70px}.featured-copy h3{font-size:20px}.featured-copy p{font-size:12px}.tool-grid{grid-template-columns:1fr}.secondary-heading{margin-top:35px}.home-view{padding-bottom:45px}.calculator-view{padding-top:20px}.breadcrumbs{font-size:11px}.calculator-heading{margin:25px 0}.calculator-heading h1{font-size:23px}.calculator-icon{width:50px;height:50px;font-size:30px}.calculator-heading p:last-child{font-size:12px}.calculator-layout{padding:20px}.quote-title{align-items:flex-start;flex-direction:column;gap:1px}.quote-fields{grid-template-columns:100px 1fr}.quote-fields #quote-search{grid-column:1/-1}.result-column{grid-template-columns:1fr}.result-card{grid-row:auto}.calculator-bottom span:first-child{display:none}footer{margin:0 18px;padding:20px 0 25px;display:block}footer p{margin-top:10px}}

.result-value.positive{color:#16856c}.result-value.negative{color:#d83948}
.language-control select,.source-field select{font:inherit;color:#283c5d;background:#fff;border:1px solid #d8e2f2;border-radius:7px;padding:8px 10px}.language-control select{font-size:12px;cursor:pointer}.source-field{display:flex;align-items:center;gap:12px;margin:0 0 14px}.source-field label{font-size:12px;font-weight:700;color:#40506d}.source-field select{font-size:12px;min-width:120px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:560px){.topbar-inner{gap:10px}.language-control select{padding:6px 4px;font-size:11px}.topbar nav{gap:10px}.brand{font-size:14px}}

.source-field{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.source-field #check-sources{border:1px solid #d8e0ec;background:#fff;color:#36527c;border-radius:7px;padding:8px 11px;font-size:12px;font-weight:650}.source-field #check-sources:disabled{opacity:.55;cursor:wait}.source-current{font-size:12px;color:#416194;margin:7px 0}.source-health{display:flex;gap:6px 14px;flex-wrap:wrap;margin:4px 0 12px;color:#718098;font-size:11px}.health-ok{color:#16856c}.health-partial{color:#a7660a}.health-failed{color:#c43a4a}