:root{color-scheme:dark;--bg:#0d1420;--panel:#172333;--panel-2:#1c2a3b;--line:#334357;--text:#eef3f8;--muted:#a8b8ca;--gold:#f5cb7b;--mint:#8fd6b5;--blue:#87b7df;--shadow:0 24px 70px rgba(0,0,0,.24)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 86% 5%,rgba(36,78,120,.28),transparent 30%),radial-gradient(circle at 10% 52%,rgba(28,74,79,.17),transparent 35%),var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif;font-variant-numeric:tabular-nums}
button,input,select{font:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible,.toggle:focus-within{outline:2px solid var(--gold);outline-offset:3px}
.shell{width:min(1480px,calc(100% - 64px));margin:auto}
.masthead{padding:58px 0 45px}
.eyebrow,.section-index,.mini-label{font-size:12px;letter-spacing:.16em;font-weight:800;color:var(--gold)}
.eyebrow{display:flex;align-items:center;gap:12px;text-transform:uppercase}
.eyebrow-line{width:31px;height:1px;background:var(--gold)}
.head-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:36px;align-items:end}
h1{font-size:clamp(38px,4.5vw,64px);line-height:1.14;letter-spacing:-.05em;margin:18px 0 14px;font-weight:800}
h1 span{color:var(--gold)}
.lede{max-width:760px;color:var(--muted);font-size:17px;line-height:1.85;margin:0}
.formula-card{border:1px solid #47607a;background:linear-gradient(145deg,#263950,#1a2a3c);padding:24px 25px 23px;border-radius:19px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.formula-card strong{font-size:18px;line-height:1.5}
.formula-card small{color:var(--muted);line-height:1.6}
.planner-tabs{display:flex;gap:10px;margin:0 0 20px;padding:6px;border:1px solid var(--line);border-radius:15px;background:#101b2a;width:max-content;max-width:100%}
.planner-tabs button{border:0;border-radius:10px;background:transparent;color:#a8b8ca;padding:12px 21px;font-size:14px;font-weight:800}
.planner-tabs button[aria-selected="true"]{background:#344456;color:#f5cb7b;box-shadow:inset 0 0 0 1px #75644b}
.planner-tabs button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.control-panel,.candidates-card,.detail-card,.method-section{border:1px solid var(--line);background:rgba(23,35,51,.95);border-radius:21px;box-shadow:var(--shadow)}
.control-panel{padding:31px 34px 28px}
.section-title-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}
h2{font-size:26px;line-height:1.3;margin:5px 0 0;letter-spacing:-.025em}
.privacy-pill{border:1px solid #346454;background:#1a3a35;color:#9de2c4;border-radius:99px;padding:8px 14px;font-size:12px;font-weight:700;white-space:nowrap}
.primary-inputs{display:grid;grid-template-columns:minmax(230px,.7fr) minmax(0,1.7fr);gap:22px;align-items:start}
.primary-inputs.build-inputs{grid-template-columns:minmax(230px,400px)}
.field{display:flex;flex-direction:column;min-width:0}
.field-label{font-size:13px;font-weight:750;color:#d7e3ee;margin-bottom:10px}
.required{color:var(--gold)}
.field-help{color:#8296aa;font-size:12px;margin-top:8px;line-height:1.55}
input[type=number],select{width:100%;height:49px;border:1px solid #43546a;border-radius:11px;background:#101b2a;color:var(--text);padding:0 15px;outline:none;transition:border-color .16s,box-shadow .16s}
input[type=number]:focus,select:focus{border-color:#d3ad67;box-shadow:0 0 0 3px rgba(245,203,123,.12)}
.input-unit{display:flex;align-items:center;position:relative}
.input-unit input{font-size:23px;font-weight:800;padding-right:85px;color:#fff}
.input-unit>span{position:absolute;right:14px;color:var(--muted);font-size:13px;pointer-events:none}
.mode-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.mode-choice{position:relative;cursor:pointer;min-width:0}
.mode-choice input{position:absolute;opacity:0;width:1px;height:1px}
.mode-face{min-height:82px;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:13px 16px;border:1px solid #43546a;border-radius:12px;background:#101b2a;transition:border-color .16s,background .16s}
.mode-face strong{font-size:14px;color:#dce7f0}
.mode-face small{font-size:11px;color:#90a4b7;line-height:1.5}
.mode-choice input:checked+.mode-face{border-color:#d1ac68;background:#3b352b;box-shadow:inset 0 0 0 1px rgba(245,203,123,.12)}
.mode-choice input:checked+.mode-face strong{color:#f8d799}
.mode-choice input:focus-visible+.mode-face{outline:2px solid var(--gold);outline-offset:3px}
fieldset{border:0;padding:0;margin:0}
.essence-block{display:grid;grid-template-columns:auto minmax(180px,240px) minmax(0,1fr);gap:18px;align-items:center;margin-top:22px;padding:16px 18px;border:1px solid #3d5770;border-radius:13px;background:#16283a}
.own-essence-toggle{display:flex;align-items:center;gap:9px;white-space:nowrap;font-size:13px;font-weight:800;color:#dcebf6;cursor:pointer}
.own-essence-toggle input{width:17px;height:17px;accent-color:#78c69e}
.owned-essence-field .field-label{margin-bottom:6px;font-size:11px}
.owned-essence-field input{height:42px}
.owned-essence-field input:disabled{opacity:.55}
.essence-block p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}
.price-block{margin-top:28px;padding-top:23px;border-top:1px solid var(--line)}
.price-heading{display:flex;justify-content:space-between;color:#d4e0eb;font-size:13px;font-weight:800;margin-bottom:17px}
.price-heading span:last-child{font-size:12px;font-weight:500;color:#8296aa}
.price-description{margin:-6px 0 16px;color:var(--muted);font-size:12px;line-height:1.6}
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.price-item{min-width:0;padding:15px;border:1px solid #43546a;border-radius:13px;background:#152233;transition:border-color .16s,opacity .16s}
.price-item:has([data-material]:checked){border-color:#5d917c}
.price-item.gold-item{border-color:#836e48;background:#292a2a}
.price-item.is-disabled{opacity:.55}
.price-item-head{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:25px;margin-bottom:14px;font-size:14px;color:#e7f0f7}
.gold-item .price-item-head>span{font-size:11px;color:#e4c887}
.price-field .field-label{font-size:11px;color:var(--muted);margin-bottom:7px}
.price-field input{height:43px;font-weight:750}
.price-field input:disabled{cursor:not-allowed}
.material-option{position:relative;cursor:pointer;justify-content:flex-start}
.material-option input{position:absolute;opacity:0;width:1px;height:1px}
.material-option span{display:inline-flex;align-items:center;gap:9px;font-weight:750}
.material-option span:before{content:"";width:15px;height:15px;flex:0 0 auto;border:1.5px solid #8ba1b2;border-radius:4px;background:#101b2a}
.material-option input:checked+span{color:#a9e3c7}
.material-option input:checked+span:before{content:"✓";display:grid;place-items:center;border-color:#78c69e;background:#489c73;color:#071e14;font-size:11px;line-height:1}
.material-option input:focus-visible+span{outline:2px solid var(--gold);outline-offset:3px}
.price-block>.field-help{display:block;margin-top:12px}
.control-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:27px}
.toggle{display:inline-flex;align-items:center;gap:12px;color:#d7e3ee;font-size:13px;cursor:pointer}
.toggle input{position:absolute;opacity:0;width:1px;height:1px}
.toggle-track{width:37px;height:22px;background:#516073;border-radius:99px;position:relative;flex:0 0 auto;transition:background .16s}
.toggle-track:after{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;border-radius:50%;background:white;transition:transform .16s}
.toggle input:checked+.toggle-track{background:#3a9c75}
.toggle input:checked+.toggle-track:after{transform:translateX(15px)}
.toggle small{display:block;font-size:11px;color:#8296aa;margin-top:3px}
.actions{display:flex;gap:10px}
.ghost-button,.primary-button,.text-button{border-radius:11px;font-weight:800}
.ghost-button{height:47px;padding:0 18px;border:1px solid #4b6076;background:transparent;color:#d1dde9}
.primary-button{height:47px;padding:0 22px;display:flex;gap:22px;align-items:center;border:1px solid #f7d896;background:linear-gradient(135deg,#f4cf88,#dfaa56);color:#26200f;box-shadow:0 8px 22px rgba(221,166,79,.19)}
.primary-button:hover{filter:brightness(1.05)}
.result-section{padding:48px 0 10px}
.result-title-row{margin-bottom:5px}
.text-button{border:0;background:transparent;color:var(--gold);padding:10px 0;font-size:13px}
.text-button:hover{text-decoration:underline}
.result-context{margin:0 0 21px;color:var(--muted);font-size:13px;line-height:1.7}
.error{background:#40262b;border:1px solid #88505b;color:#ffd5d5;padding:15px 17px;border-radius:10px;margin-bottom:18px}
.hero-result{display:grid;grid-template-columns:minmax(270px,1.8fr) repeat(4,minmax(135px,1fr));border:1px solid #4c6075;border-radius:20px;overflow:hidden;background:linear-gradient(115deg,#254a5c,#203449 47%,#27374a);box-shadow:var(--shadow)}
.hero-main,.hero-stat{min-height:155px;padding:22px 25px;display:flex;flex-direction:column;justify-content:center}
.hero-main{gap:6px}
.hero-main strong{font-size:35px;line-height:1.18;color:#fff}
.hero-combo{font-size:13px;color:#bdd2e2;line-height:1.6}
.hero-stat{border-left:1px solid rgba(223,237,249,.16);gap:9px}
.hero-stat span{font-size:12px;color:#b9c9d8}
.hero-stat strong{font-size:28px;color:var(--gold);white-space:nowrap}
.hero-stat:nth-child(3) strong{color:#b2d9e7}
.hero-stat:nth-child(4) strong{color:var(--mint)}
.hero-stat small{font-size:11px;color:#a5bacb;line-height:1.5}
.ratio-stat strong{color:#f5cb7b}
.result-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(320px,.8fr);gap:19px;margin-top:19px;align-items:start}
.build-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.9fr);gap:19px;margin-top:19px;align-items:start}
.build-steps{margin:0;padding:0 0 0 24px;color:#d8e3ed;font-size:13px;line-height:1.8;overflow-wrap:anywhere}
.build-steps li{padding:10px 3px;border-bottom:1px solid #304153}
.build-steps li::marker{color:var(--gold);font-weight:800}
.candidates-card,.detail-card{padding:23px 24px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
h3{font-size:17px;margin:0}
.card-head span{font-size:12px;color:var(--muted)}
.table-scroll{overflow:auto;max-height:514px}
table{border-collapse:collapse;width:100%;min-width:900px}
th{text-align:left;position:sticky;top:0;background:#26384c;color:#bcd0df;font-size:11px;letter-spacing:.04em;padding:13px 12px;z-index:1}
th.number,td.number{text-align:right;white-space:nowrap}
td{font-size:12px;padding:13px 12px;border-bottom:1px solid #304153;color:#d8e3ed;vertical-align:top;line-height:1.5}
tbody tr{cursor:pointer;transition:background .15s}
tbody tr:hover{background:#22374a}
tbody tr.selected{background:#274258}
tbody tr.selected td:first-child{box-shadow:inset 3px 0 var(--gold)}
tbody tr td:first-child{font-weight:800;color:var(--gold);white-space:nowrap}
.combo-cell{max-width:300px}
.table-hint{font-size:11px;color:#8195aa;margin:14px 0 0;line-height:1.6}
.detail-card dl{margin:0;display:grid;grid-template-columns:minmax(110px,.8fr) minmax(0,1.2fr);gap:0 12px}
.detail-card dt,.detail-card dd{padding:9px 0;border-bottom:1px solid #2e3f50;font-size:12px;line-height:1.5}
.detail-card dt{min-width:0;color:#a7b9ca;overflow-wrap:anywhere}
.detail-card dd{min-width:0;margin:0;text-align:right;color:#eef3f8;font-weight:750;overflow-wrap:anywhere}
.detail-card dd.emphasis{color:var(--mint)}
.equation-box{margin-top:20px;padding:15px 16px;border-radius:12px;background:#102030;border-left:3px solid var(--gold);font-size:12px;color:#c9d8e4;line-height:1.8;overflow-wrap:anywhere}
.equation-box strong{color:var(--gold)}
.method-section{margin:47px 0 30px;padding:30px 34px 32px}
.method-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:20px}
.method-grid>div{border-top:1px solid #567084;padding-top:16px}
.method-grid strong{font-size:14px;color:var(--gold)}
.method-grid p{font-size:12px;color:var(--muted);line-height:1.8;margin:8px 0 0}
footer{border-top:1px solid var(--line);padding:24px 0 36px;font-size:11px;color:#72879c}
[hidden]{display:none!important}
@media(max-width:1100px){.head-grid{grid-template-columns:1fr}.formula-card{max-width:570px}.essence-block{grid-template-columns:auto minmax(180px,240px)}.essence-block p{grid-column:1/-1}.price-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-result{grid-template-columns:repeat(4,minmax(0,1fr))}.hero-main{grid-column:1/-1;min-height:120px}.hero-stat{min-height:105px}.hero-stat:nth-child(2){border-left:0}.result-grid,.build-grid{grid-template-columns:1fr}.method-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.shell{width:min(100% - 30px,1480px)}.masthead{padding:38px 0 34px}.lede{font-size:14px}.control-panel{padding:23px 20px}.primary-inputs{grid-template-columns:1fr}.mode-options{grid-template-columns:1fr}.mode-face{min-height:65px}.essence-block{grid-template-columns:1fr}.essence-block p{grid-column:auto}.price-grid{grid-template-columns:1fr;gap:10px}.control-bottom{align-items:stretch;flex-direction:column}.actions{justify-content:space-between}.section-title-row{align-items:start}.privacy-pill{display:none}.hero-result{grid-template-columns:1fr 1fr}.hero-main{grid-column:1/-1}.hero-stat{padding:17px;min-height:89px}.hero-stat:nth-child(4),.hero-stat:nth-child(5){border-top:1px solid rgba(223,237,249,.16)}.hero-stat:nth-child(4){border-left:0}.hero-stat strong{font-size:24px}.candidates-card,.detail-card{padding:19px 16px}.method-section{padding:24px 20px}.method-grid{grid-template-columns:1fr}}
@media(max-width:680px){.shell{width:min(100% - 30px,1480px)}.masthead{padding:38px 0 34px}.lede{font-size:14px}.planner-tabs{width:100%}.planner-tabs button{flex:1;padding:12px 7px}.control-panel{padding:23px 20px}.primary-inputs{grid-template-columns:1fr}.mode-options{grid-template-columns:1fr}.essence-block{grid-template-columns:1fr}.essence-block p{grid-column:auto}.price-grid{grid-template-columns:1fr;gap:10px}.control-bottom{align-items:stretch;flex-direction:column}.actions{justify-content:space-between}.section-title-row{align-items:start}.privacy-pill{display:none}.hero-result{grid-template-columns:1fr 1fr}.hero-main{grid-column:1/-1}.hero-stat{padding:17px;min-height:89px}.hero-stat:nth-child(4),.hero-stat:nth-child(5){border-top:1px solid rgba(223,237,249,.16)}.hero-stat:nth-child(4){border-left:0}.hero-stat strong{font-size:24px}.candidates-card,.detail-card{padding:19px 16px}.method-section{padding:24px 20px}.method-grid{grid-template-columns:1fr}}