:root{--ink: #111827;--muted: #667085;--faint: #98a2b3;--line: #e5e7eb;--paper: #ffffff;--wash: #f6f8fb;--teal: #0f766e;--teal-dark: #115e59;--teal-soft: #d9f2ee;--violet: #7c3aed;--violet-soft: #ede9fe;--gold: #d97706;--gold-soft: #fff3d7;--rose: #dc2626;--green: #16a34a;--shadow: 0 18px 45px rgba(17, 24, 39, .1);--soft-shadow: 0 10px 28px rgba(17, 24, 39, .07);--el-color-primary: var(--teal);--el-color-primary-dark-2: var(--teal-dark);--el-border-radius-base: 8px;--el-font-size-base: 14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:linear-gradient(180deg,#d9f2eeb8,#f6f8fbf5 520px),var(--wash);color:var(--ink);font-family:Inter,PingFang SC,Microsoft YaHei,Arial,sans-serif;letter-spacing:0}button,input{font:inherit}button{letter-spacing:0}.consumer-page{min-height:100vh}.site-header{position:sticky;top:0;z-index:20;width:min(1200px,calc(100% - 32px));min-height:72px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;border-bottom:1px solid rgba(17,24,39,.08);background:#f6f8fbdb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand-lockup{display:inline-flex;align-items:center;gap:12px;padding:0;border:0;background:transparent;color:var(--ink);cursor:pointer}.brand-lockup strong{display:block;font-size:20px;line-height:1.1}.brand-lockup small{display:block;margin-top:3px;color:var(--muted);font-size:11px;text-transform:uppercase}.brand-mark{position:relative;width:42px;height:42px;display:grid;place-items:end center;border-radius:10px;background:var(--ink);box-shadow:0 12px 26px #1118272e}.mark-bar{position:absolute;bottom:10px;width:6px;border-radius:999px}.mark-one{left:12px;height:12px;background:var(--gold)}.mark-two{left:19px;height:20px;background:var(--teal-soft)}.mark-three{left:26px;height:27px;background:#a78bfa}.site-nav{display:flex;justify-content:flex-start;gap:10px}.site-nav button{height:40px;padding:0 16px;border:0;border-radius:999px;background:#ffffff9e;color:var(--muted);font-weight:700;cursor:pointer;transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease}.site-nav button:hover{background:#0f766e14;color:var(--teal-dark)}.site-nav button.active{background:linear-gradient(135deg,var(--ink),#243b53);color:var(--paper);box-shadow:0 10px 22px #11182724}.header-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px}.credit-pill{height:38px;display:inline-flex;align-items:center;gap:7px;padding:0 13px;border:1px solid rgba(217,119,6,.28);border-radius:999px;background:var(--gold-soft)}.credit-pill span{color:#92400e;font-size:13px}.credit-pill strong{color:var(--gold)}.hero-section,.content-section,.proof-section,.result-section,.auth-page{width:min(1200px,calc(100% - 32px));margin:0 auto}.auth-page{min-height:calc(100vh - 72px);display:grid;grid-template-columns:minmax(0,.95fr) minmax(360px,.65fr);gap:32px;align-items:center;padding:42px 0 72px}.auth-hero{padding:24px 0}.auth-hero h1{max-width:680px;margin:18px 0 14px;font-size:clamp(38px,5vw,68px);line-height:1.04;letter-spacing:0}.auth-hero p{max-width:600px;margin:0;color:#344054;font-size:18px;line-height:1.85}.auth-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:640px;margin-top:28px}.auth-benefits div,.auth-panel{border:1px solid rgba(17,24,39,.08);border-radius:8px;background:#ffffffd1;box-shadow:var(--soft-shadow)}.auth-benefits div{min-height:86px;padding:16px}.auth-benefits strong{display:block;font-size:22px}.auth-benefits span{display:block;margin-top:4px;color:var(--muted);font-size:13px}.auth-panel{padding:24px}.auth-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:22px;padding:6px;border-radius:8px;background:#eef2f7}.auth-tabs button{height:42px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-weight:800;cursor:pointer}.auth-tabs button.active{background:var(--paper);color:var(--teal-dark);box-shadow:0 4px 12px #11182714}.login-mode-switch{display:inline-flex;gap:6px;margin:-6px 0 18px;padding:4px;border:1px solid rgba(17,24,39,.08);border-radius:8px;background:#f6f8fbf5}.login-mode-switch button{height:34px;padding:0 14px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-weight:700;cursor:pointer}.login-mode-switch button.active{background:var(--ink);color:var(--paper);box-shadow:0 6px 14px #11182724}.full-action{width:100%}.hero-section{min-height:calc(100vh - 72px);display:grid;grid-template-columns:minmax(0,.95fr) minmax(430px,1.05fr);gap:38px;align-items:center;padding:46px 0 34px}.hero-section-home{min-height:auto;align-items:start;padding-bottom:20px}.hero-section-home-simple{grid-template-columns:1fr}.hero-copy{position:relative;padding:10px 0 36px}.hero-copy:after{content:"";display:block;width:100%;height:190px;margin-top:30px;border-radius:8px;background:linear-gradient(135deg,#111827d6,#0f766ec7),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='760' height='220' viewBox='0 0 760 220'%3E%3Crect width='760' height='220' fill='%230b1220'/%3E%3Cg stroke='%236ee7b7' stroke-opacity='.28'%3E%3Cpath d='M0 170 C80 150 118 150 180 112 S292 80 360 116 462 158 532 96 660 52 760 74' fill='none' stroke-width='5'/%3E%3Cpath d='M0 132 C98 104 170 124 248 92 S388 32 472 86 612 174 760 116' fill='none' stroke-width='2'/%3E%3Cpath d='M0 196 L760 196'/%3E%3Cpath d='M0 154 L760 154'/%3E%3Cpath d='M0 112 L760 112'/%3E%3Cpath d='M0 70 L760 70'/%3E%3C/g%3E%3Cg fill='%23fbbf24' fill-opacity='.88'%3E%3Ccircle cx='181' cy='112' r='5'/%3E%3Ccircle cx='360' cy='116' r='5'/%3E%3Ccircle cx='532' cy='96' r='5'/%3E%3C/g%3E%3C/svg%3E");background-size:cover;box-shadow:var(--shadow)}.eyebrow,.panel-kicker{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:#7c3aed1a;color:var(--violet);font-size:12px;font-weight:700}.hero-copy h1{margin:18px 0 12px;font-size:clamp(48px,7vw,86px);line-height:.96;letter-spacing:0}.hero-lead{max-width:590px;margin:0;color:#344054;font-size:18px;line-height:1.85}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.trust-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:560px;margin-top:26px}.trust-strip div{min-height:78px;padding:14px;border:1px solid rgba(17,24,39,.08);border-radius:8px;background:#ffffffb8}.trust-strip strong{display:block;font-size:24px}.trust-strip span{display:block;margin-top:2px;color:var(--muted);font-size:13px}.backtest-page{padding:18px 0}.account-page{padding:28px 0 48px}.account-shell{width:min(1200px,calc(100% - 32px));margin:0 auto}.account-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:18px;margin-top:18px}.account-sidebar{display:grid;align-content:start;gap:10px;padding:14px;border:1px solid rgba(17,24,39,.08);border-radius:8px;background:#ffffffdb;box-shadow:var(--soft-shadow)}.account-sidebar button{height:44px;padding:0 14px;border:0;border-radius:10px;background:transparent;color:var(--muted);font-weight:700;text-align:left;cursor:pointer}.account-sidebar button:hover{background:#0f766e14;color:var(--teal-dark)}.account-sidebar button.active{background:linear-gradient(135deg,#0f766e1f,#d9f2eea6);color:var(--teal-dark)}.account-sidebar button.danger{color:var(--rose)}.account-panel{min-width:0}.account-card{padding:22px;border:1px solid rgba(17,24,39,.08);border-radius:8px;background:var(--paper);box-shadow:var(--soft-shadow)}.account-card h3{margin:0 0 16px}.account-kv{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid rgba(17,24,39,.06)}.account-kv:last-child{border-bottom:0}.account-kv span{color:var(--muted)}.ledger-card{margin-top:0}.logout-card p{margin:0 0 16px;color:var(--muted);line-height:1.7}.backtest-shell,.records-result-section{width:min(1200px,calc(100% - 32px));margin:0 auto}.backtest-shell{display:grid;grid-template-columns:1fr;gap:0;align-items:start}.backtest-workbench{min-height:620px;padding:28px}.workbench-panel,.proof-card,.strategy-card,.result-board,.login-prompt,.job-card{border:1px solid rgba(17,24,39,.08);border-radius:8px;background:var(--paper);box-shadow:var(--soft-shadow)}.workbench-panel{scroll-margin-top:92px;padding:24px}.step-flow{display:grid;gap:14px}.step-progress{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 2px}.step-progress span{color:var(--muted);font-size:13px}.step-progress strong{font-size:14px;color:var(--ink)}.step-card{padding:18px;border:1px solid rgba(17,24,39,.08);border-radius:8px;background:linear-gradient(180deg,#f8fafceb,#fff)}.step-card-accent{background:linear-gradient(135deg,#fff3d7e0,#d9f2eed1)}.step-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:16px}.step-head h3{margin:0 0 6px;font-size:18px}.step-head p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}.step-index{flex:0 0 auto;min-width:42px;height:42px;display:grid;place-items:center;border-radius:999px;background:var(--ink);color:var(--paper);font-size:12px;font-weight:800;letter-spacing:.08em}.step-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.step-actions-split{justify-content:space-between}.panel-title-row,.section-heading,.row-heading,.chart-head,.strategy-topline,.submit-band,.job-card,.job-meta{display:flex;align-items:center;justify-content:space-between;gap:14px}.panel-title-row h2,.section-heading h2,.result-summary h2{margin:8px 0 0;font-size:28px;line-height:1.22}.el-form-item{margin-bottom:18px}.el-form-item__label{color:#344054;font-weight:700}.el-input__wrapper,.el-select__wrapper,.el-input-number .el-input__wrapper{min-height:44px;border-radius:8px;box-shadow:0 0 0 1px var(--line) inset}.el-date-editor.el-input,.el-input-number,.el-select{width:100%}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.stock-option{display:flex;align-items:center;justify-content:space-between;width:100%}.stock-name{font-weight:700}.stock-code{color:var(--muted);font-size:13px}.submit-band{margin-top:4px;padding:16px;border-radius:8px;background:#ffffffb8}.submit-band span{display:block;color:#92400e;font-size:13px}.submit-band strong{font-size:26px;color:var(--gold)}.submit-actions{display:flex;gap:10px}.strategy-inline-hint{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.7}.proof-section{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:4px 0 28px}.proof-card{padding:18px 20px}.proof-card h3,.strategy-card h3,.login-prompt h3,.chart-head h3{margin:0 0 8px}.proof-card h3{font-size:16px}.proof-card p,.strategy-card p,.login-prompt p,.section-heading p,.result-summary p{margin:0;color:var(--muted);line-height:1.75}.proof-card p{font-size:13px;line-height:1.65}.content-section,.result-section{padding:34px 0 68px;scroll-margin-top:92px}.section-heading{margin-bottom:20px}.section-heading:not(.row-heading){display:block;max-width:680px}.strategy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.strategy-card{min-height:230px;padding:22px}.strategy-topline span{padding:4px 9px;border-radius:999px;background:var(--teal-soft);color:var(--teal-dark);font-size:12px;font-weight:700}.strategy-topline button,.job-meta button,.site-nav button{border:0}.strategy-topline button,.job-meta button{padding:0;background:transparent;color:var(--teal);font-weight:700;cursor:pointer}.param-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.param-tags span{padding:6px 10px;border-radius:999px;background:var(--violet-soft);color:#5b21b6;font-size:12px;font-weight:700}.result-section{display:grid;grid-template-columns:.35fr .65fr;gap:22px;align-items:start}.result-summary{position:sticky;top:96px}.result-board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:16px}.metric-card{min-height:98px;padding:16px;border-radius:8px;background:#f8fafc}.metric-card span{color:var(--muted);font-size:13px}.metric-card strong{display:block;margin-top:6px;font-size:25px}.positive{color:var(--green)}.negative{color:var(--rose)}.chart-card{grid-column:span 4;padding:16px;border:1px solid var(--line);border-radius:8px}.chart-head{margin-bottom:12px}.chart-head span{color:var(--muted);font-size:13px}.chart-container{width:100%;height:340px}.chart-container.compact{height:230px}.records-section{padding-bottom:90px}.login-prompt{display:grid;place-items:center;gap:10px;min-height:240px;padding:24px;text-align:center}.job-list{display:grid;gap:12px}.job-card{padding:16px;cursor:pointer}.job-card:hover{border-color:#0f766e52}.job-card.active{border-color:#0f766e6b;background:#d9f2ee52}.job-card strong,.job-card span{display:block}.job-card span{color:var(--muted);font-size:13px}.job-meta span{color:var(--muted)}.record-detail-section{margin-top:18px}.record-status-panel{min-height:180px}.record-inline-detail{grid-template-columns:1fr;gap:14px;padding:0 0 10px}.record-inline-detail .result-board{grid-template-columns:repeat(4,minmax(0,1fr))}.record-inline-detail .chart-card,.trade-table-card{grid-column:1 / -1}.trade-table-card{padding:16px;border:1px solid var(--line);border-radius:8px;background:#fff}.trade-table-card .el-table{margin-top:8px}.trade-table-scroll{max-height:420px;overflow:auto}.trade-table-scroll .el-table{min-width:860px}.code-row{display:grid;grid-template-columns:minmax(0,1fr) 116px;gap:10px;width:100%}.el-button{border-radius:8px;font-weight:700}.el-button--primary{--el-button-bg-color: var(--teal);--el-button-border-color: var(--teal);--el-button-hover-bg-color: var(--teal-dark);--el-button-hover-border-color: var(--teal-dark);box-shadow:0 10px 22px #0f766e2e}@media (max-width: 1080px){.site-header{grid-template-columns:1fr auto;padding:12px 0}.site-nav{display:none}.hero-section,.result-section,.backtest-shell{grid-template-columns:1fr}.hero-section{min-height:auto;padding-top:32px}.result-summary{position:static}}@media (max-width: 760px){.site-header{width:min(100% - 20px,1200px);grid-template-columns:1fr;gap:12px}.header-actions{justify-content:flex-start;flex-wrap:wrap}.hero-section,.content-section,.proof-section,.result-section,.auth-page,.backtest-shell,.records-result-section,.account-shell{width:min(100% - 20px,1200px)}.hero-copy h1{font-size:52px}.hero-lead{font-size:16px}.trust-strip,.auth-page,.auth-benefits,.proof-section,.account-layout,.strategy-grid,.form-grid,.result-board{grid-template-columns:1fr}.account-sidebar{padding:10px}.workbench-panel{padding:16px}.backtest-workbench{padding:18px}.step-card{padding:16px}.step-progress,.step-actions,.step-actions-split{flex-direction:column;align-items:stretch}.panel-title-row,.section-heading,.row-heading,.submit-band,.job-card,.job-meta{align-items:flex-start;flex-direction:column}.submit-actions{width:100%;flex-direction:column}.submit-actions .el-button{width:100%}.chart-card{grid-column:span 1}.chart-container{height:240px}.chart-container.compact{height:190px}.code-row{grid-template-columns:1fr}.step-head{flex-direction:column;gap:10px}.record-inline-detail{gap:10px}.record-inline-detail .result-board{grid-template-columns:repeat(2,minmax(0,1fr));padding:12px;gap:10px}.record-inline-detail .metric-card{min-height:88px;padding:14px}.record-inline-detail .metric-card strong{font-size:20px}.record-inline-detail .chart-card,.record-inline-detail .trade-table-card{grid-column:1 / -1;padding:14px}.record-inline-detail .chart-head{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.trade-table-scroll{max-height:360px;overflow-x:auto;-webkit-overflow-scrolling:touch}}
