:root{color-scheme:light;--bg: #f7f8ff;--panel: rgba(255, 255, 255, .82);--panel-strong: #ffffff;--line: #e6e9f2;--line-strong: #d3daf1;--text: #1f2430;--muted: #667085;--accent: #7f56d9;--accent-soft: #ede7ff;--accent-strong: #6d48f3;--success-soft: #e8f6f1;--shadow: 0 18px 44px rgba(22, 34, 66, .08);--radius: 24px}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:Noto Sans SC,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:radial-gradient(circle at top center,rgba(135,115,255,.08),transparent 32%),radial-gradient(circle at 80% 14%,rgba(123,97,255,.08),transparent 24%),linear-gradient(180deg,#f6f7ff,#fbfbfe 46%,#fff);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:var(--accent);text-decoration:none}.page-shell{position:relative;overflow:hidden;width:min(1240px,calc(100% - 32px));margin:0 auto;padding:0 0 52px}.ambient{position:absolute;border-radius:999px;filter:blur(120px);opacity:.75;pointer-events:none}.ambient-a{width:420px;height:420px;background:#7f56d91a;top:120px;right:-120px}.ambient-b{width:360px;height:360px;background:#60a5fa14;left:-100px;top:420px}.topbar{position:sticky;top:0;z-index:20;background:#ffffffdb;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid rgba(230,233,242,.9)}.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:min(1280px,calc(100% - 40px));margin:0 auto;min-height:46px}.topbar__group{display:flex;flex-wrap:wrap;gap:16px}.topbar__link{color:#111827;font-size:.92rem}.topbar__meta-text{color:#667085;font-size:.9rem}.hero{display:grid;gap:18px;padding:42px 32px 30px;margin:14px 0 20px;border:1px solid rgba(232,235,247,.9);border-radius:36px;background:radial-gradient(circle at top center,rgba(130,103,255,.08),transparent 42%),linear-gradient(180deg,#f8f9fff5,#fffffffa);box-shadow:0 28px 70px #3e486314}.hero__copy,.hero__stats,.panel{border:1px solid var(--line);background:var(--panel);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow);border-radius:var(--radius)}.hero__copy{position:relative;overflow:hidden;padding:0;border:0;background:transparent;box-shadow:none;text-align:center}.hero__badge{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 16px;margin-bottom:18px;border-radius:999px;border:1px solid #efe7ff;color:#9b79ff;background:#ffffffb8;font-size:.9rem}.hero__stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:0;border:0;background:transparent;box-shadow:none}.stat-card{min-height:118px;padding:20px;border-radius:24px;border:1px solid rgba(231,235,245,.95);background:#ffffffe6;box-shadow:0 10px 32px #303b5e0f}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700}.hero h1{margin:14px auto;max-width:12ch;font-size:clamp(2.8rem,5.6vw,4.3rem);line-height:1.02;letter-spacing:-.045em;color:#7a4cf8}.hero__lede,.stat-card p,.section-head p,.field__hint,.formula-card__copy,.summary-card p,.selection-card__meta,.selection-card__price,.toolbar__meta,.search-item span{color:var(--muted)}.hero__chips,.mode-tabs,.scenario-strip{display:flex;flex-wrap:wrap;gap:10px}.hero__lede{max-width:54rem;margin:0 auto 18px;font-size:1rem;line-height:1.72}.hero__chips{justify-content:center}.hero__chips a,.hero__chips button,.mini-badge,.selection-card__tag{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border:1px solid #e3ddff;border-radius:999px;font-size:.82rem;color:#7d57db;background:#f3efffcc}.hero__chips button{cursor:pointer}.stat-card__label,.summary-card__label{display:block;margin-bottom:16px;color:var(--muted)}.stat-card strong,.summary-card strong{display:block;margin-bottom:12px;font-size:clamp(1.7rem,3vw,2.3rem);letter-spacing:-.04em;color:#111827}.layout{display:grid;gap:26px;grid-template-columns:repeat(2,minmax(0,1fr))}.panel{padding:26px}.panel--wide{grid-column:1 / -1}.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}.section-head h2{margin:8px 0 0;font-size:1.48rem;letter-spacing:-.03em;color:#1d2939}.section-head p{max-width:34rem;margin:0;line-height:1.75}.field-grid,.picker-grid,.summary-grid,.breakdown-grid{display:grid;gap:18px}.field-grid--two,.picker-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.summary-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.summary-grid--tokenizer,.breakdown-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.field{display:grid;gap:10px}.field__label,.field__micro{font-weight:500}.field__micro{font-size:.84rem}.field input,.field select,.field textarea,.search-list,.selection-card,.price-editor,.summary-card,.breakdown-card,.table-shell{border:1px solid var(--line);background:var(--panel-strong);border-radius:22px}.field input,.field select,.field textarea{width:100%;min-height:46px;padding:12px 14px;color:var(--text);outline:none;box-shadow:inset 0 1px 2px #11182705}.field textarea{resize:vertical}.field input,.field select{padding-block:0}.mode-tab,.scenario{min-height:38px;padding:0 16px;border-radius:999px;border:1px solid #d9def2;background:#fff;color:#475467}.mode-tab.is-active,.scenario:hover,.search-item.is-selected{border-color:#cbbcff;background:#f3efff;color:#6f42ff}.formula-card,.selection-card,.price-editor,.summary-card,.breakdown-card{padding:20px}.formula-card__grid,.tokenizer-panel{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}.search-list{display:grid;gap:8px;max-height:240px;overflow:auto;padding:8px;background:#fbfbfe}.search-item{display:grid;gap:4px;width:100%;padding:12px 14px;border:1px solid #eceff6;border-radius:14px;background:#fff;color:var(--text);text-align:left}.selection-card__head,.breakdown-card__head,.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.toolbar{margin-bottom:14px;align-items:center}.toolbar__meta{display:flex;flex-wrap:wrap;gap:16px;font-size:.94rem}.toolbar__actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.segmented{display:inline-flex;padding:4px;border:1px solid #dde2f1;border-radius:999px;background:#f7f8fd}.segmented button{min-height:36px;padding:0 14px;border:0;border-radius:999px;background:transparent;color:var(--muted)}.segmented button.is-active{background:#7cf2d224;color:var(--text)}.compare-column,.picker-block{display:grid;gap:14px}.catalog-strip{display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:14px}.catalog-card{width:100%;padding:14px;border:1px solid #e8ebf4;border-radius:18px;background:#fbfbfe;text-align:left}.catalog-card strong,.catalog-card span{display:block}.catalog-card span{margin-top:8px;color:var(--muted)}.catalog-card.is-active{border-color:#cabaff;background:#f4f0ff}.history-grid{display:grid;gap:18px;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:14px}.history-list{display:grid;gap:12px}.history-item{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:12px;align-items:center;padding:14px 16px;border:1px solid #e8ebf4;border-radius:18px;background:#fff}.history-item span{color:var(--muted)}.toggle{display:inline-flex;align-items:center;gap:12px}.price-editor h3,.selection-card__title,.breakdown-card h3{margin:8px 0 0;color:#1d2939}.breakdown-list{display:grid;gap:10px;margin:0}.breakdown-list__row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px}.breakdown-list dt{color:#344054}.breakdown-list dd{margin:0;text-align:right;color:var(--muted)}.rank-toolbar{display:grid;gap:14px;grid-template-columns:220px 1fr;margin-bottom:14px}.table-shell{overflow:auto;background:#fff}.rank-table{width:100%;border-collapse:collapse}.rank-table th,.rank-table td{padding:14px 16px;border-bottom:1px solid #edf0f6;text-align:left}.rank-table tr.is-primary{background:#f7f2ff}.rank-table thead th{background:#eaf6f1;color:#344054;font-weight:700}.rank-model{display:grid;gap:4px}.rank-model strong{color:#1d2939}.panel--wide .summary-card,.panel--wide .breakdown-card,.price-editor,.selection-card,.table-shell,.search-list{box-shadow:0 10px 28px #1118270a}.reveal{opacity:0;transform:translateY(24px);animation:rise .62s cubic-bezier(.2,1,.22,1) forwards}.hero__stats.reveal{animation-delay:80ms}.layout .reveal:nth-child(1){animation-delay:.12s}.layout .reveal:nth-child(2){animation-delay:.18s}.layout .reveal:nth-child(3){animation-delay:.24s}.layout .reveal:nth-child(4){animation-delay:.3s}@keyframes rise{to{opacity:1;transform:translateY(0)}}@media(max-width:1120px){.hero,.layout,.field-grid--two,.picker-grid,.summary-grid,.breakdown-grid,.summary-grid--tokenizer,.history-grid{grid-template-columns:1fr}.hero__stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.page-shell{width:min(100% - 16px,1240px);padding-bottom:40px}.topbar__inner{width:min(100% - 20px,1280px);min-height:54px;padding:8px 0}.topbar__group:last-child{display:none}.hero{padding:28px 18px 22px}.panel{padding:18px}.section-head,.toolbar,.selection-card__head,.breakdown-card__head{flex-direction:column;align-items:flex-start}.formula-card__grid,.tokenizer-panel,.rank-toolbar,.catalog-strip,.hero__stats,.history-item{grid-template-columns:1fr}.rank-table{min-width:720px}}