:root{
  --bg:#f3f6fb;
  --bg-soft:#eaf0f9;
  --ink:#10233e;
  --muted:#62738a;
  --line:rgba(114,138,168,.18);
  --line-strong:rgba(36,87,245,.16);
  --card:rgba(255,255,255,.82);
  --card-solid:#ffffff;
  --accent:#2457f5;
  --accent-2:#13a57b;
  --accent-3:#ff8a34;
  --shadow:0 18px 45px rgba(36,62,109,.14);
  --shadow-soft:0 10px 28px rgba(36,62,109,.08);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --font:"PingFang SC","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:radial-gradient(circle at top left,#fdfefe 0%,#eef4ff 34%,#ebf1fb 70%,#f5f7fb 100%);
}
a{color:var(--accent);text-decoration:none}
a:hover{opacity:.9}
.page{max-width:1400px;margin:0 auto;padding:28px 24px 42px}
.hero{
  display:grid;
  grid-template-columns:1.7fr .95fr;
  gap:24px;
  align-items:start;
  padding:28px 30px;
  margin-bottom:24px;
  background:linear-gradient(135deg,rgba(16,35,62,.96) 0%,rgba(36,87,245,.94) 58%,rgba(19,165,123,.84) 100%);
  color:#fff;
  border-radius:32px;
  box-shadow:0 26px 60px rgba(21,48,95,.28);
}
.eyebrow{
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(255,255,255,.78);
}
h1{margin:10px 0 12px;font-size:38px;line-height:1.12}
.subtitle{
  margin:0;
  max-width:920px;
  line-height:1.75;
  color:rgba(255,255,255,.88);
  font-size:15px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-content:flex-start;
  justify-content:flex-start;
}
.tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  color:#fff;
  font-size:12px;
  font-weight:700;
  border:1px solid rgba(255,255,255,.14);
  line-height:1.2;
}
.tag.subtle{
  background:rgba(36,87,245,.10);
  color:#1c49c5;
  border:1px solid rgba(36,87,245,.16);
}
.grid{display:grid;grid-template-columns:370px minmax(0,1fr);gap:22px;align-items:start}
.inputs{position:sticky;top:18px}
.panel,
.footer{
  background:var(--card);
  border:1px solid rgba(255,255,255,.72);
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
  border-radius:var(--radius-xl);
}
.panel{padding:22px 22px 24px;overflow:hidden}
.footer{display:grid;gap:8px;padding:18px 20px;margin-top:20px}
.footer-text,
.help,
.placeholder{font-size:12px;line-height:1.72;color:var(--muted)}
.placeholder{font-style:italic}
h2{
  margin:0 0 14px;
  font-size:22px;
  line-height:1.25;
  color:var(--ink);
}
.panel h2:not(:first-child){margin-top:26px}
h3{
  margin:0;
  font-size:18px;
  line-height:1.35;
  color:#173a6a;
}
p,li{line-height:1.8;color:#2e4764}
ul,ol{margin:0;padding-left:22px}
li+li{margin-top:6px}
strong{color:#123259}
label{display:block;font-size:13px;margin-bottom:8px;color:#29476a;font-weight:700}
input,select,textarea{
  width:100%;
  padding:11px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  font-size:14px;
  color:var(--ink);
  background:#fff;
  outline:none;
  transition:border-color .18s ease, box-shadow .18s ease;
}
input:focus,select:focus,textarea:focus{
  border-color:rgba(36,87,245,.35);
  box-shadow:0 0 0 4px rgba(36,87,245,.08);
}
.form-group{margin-bottom:16px}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.divider{height:1px;background:var(--line);margin:20px 0}
.btn,
.ghost-btn,
.preset-btn,
.mode-option{appearance:none;font:inherit;transition:.18s ease}
.btn{
  width:100%;
  padding:12px 14px;
  border-radius:14px;
  border:none;
  background:linear-gradient(135deg,#2457f5 0%,#4b7fff 100%);
  color:#fff;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  margin-top:12px;
  box-shadow:0 12px 24px rgba(36,87,245,.22);
}
.btn:hover{transform:translateY(-1px);box-shadow:0 16px 28px rgba(36,87,245,.26)}
.ghost-btn,
.preset-btn{
  border:1px solid var(--line);
  background:#fff;
  color:#21439a;
  font-size:12px;
  font-weight:700;
  cursor:pointer;
}
.ghost-btn{
  padding:8px 12px;
  border-radius:10px;
}
.preset-btn{
  padding:8px 6px;
  border-radius:10px;
}
.ghost-btn:hover,
.preset-btn:hover{
  background:linear-gradient(135deg,rgba(36,87,245,.08) 0%,rgba(19,165,123,.06) 100%);
  border-color:rgba(36,87,245,.24);
}
.inline-link{
  color:var(--accent);
  text-decoration:none;
  border-bottom:1px solid rgba(36,87,245,.25);
}
.inline-link:hover{border-bottom-color:rgba(36,87,245,.55)}
.storyboard{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}
.card{
  padding:18px;
  border-radius:22px;
  background:var(--card-solid);
  border:1px solid rgba(255,255,255,.8);
  box-shadow:var(--shadow-soft);
}
.card-title{font-size:12px;color:var(--muted)}
.card-value{font-size:30px;font-weight:800;margin:8px 0 6px;color:var(--accent);line-height:1.08}
.card-sub{font-size:12px;color:var(--muted)}
.summary{
  padding:16px 18px;
  background:linear-gradient(135deg,rgba(36,87,245,.07) 0%,rgba(19,165,123,.06) 100%);
  border:1px solid rgba(36,87,245,.10);
  border-radius:18px;
  margin-bottom:18px;
  color:#1b3658;
  line-height:1.78;
}
.summary-actions{display:flex;justify-content:flex-end;margin:-6px 0 12px}
.block{margin-bottom:18px}
.block-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.chart,
.cea-panel,
.assumption-box,
.scene-box,
.context-strip,
.talk-track,
.waterfall{
  border-radius:18px;
  border:1px solid var(--line);
}
.chart{
  margin-bottom:12px;
  padding:14px;
  background:#f8fbff;
}
.chart-title{font-size:12px;color:var(--muted);margin-bottom:8px}
.bar-row{display:grid;grid-template-columns:50px 1fr 132px;align-items:center;gap:10px;margin-bottom:8px}
.bar-label{font-size:12px;color:var(--muted)}
.bar-track{height:14px;background:#e8eef9;border-radius:999px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,#2457f5 0%,#5c87ff 100%);width:0%;border-radius:999px;transition:width .3s ease}
.bar-fill.alt{background:linear-gradient(90deg,#13a57b 0%,#4ac39f 100%)}
.bar-value{font-size:12px;color:#4e6177;text-align:right}
.waterfall{
  display:grid;
  gap:8px;
  padding:14px;
  background:#fff8f1;
  border-color:rgba(255,138,52,.16);
}
.wf-row,.wf-total{display:flex;justify-content:space-between;gap:16px;font-size:13px;color:#344c65}
.wf-total{font-weight:800;color:#c46518}
.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:12px;
  background:#fff;
  border-radius:16px;
  overflow:hidden;
}
.data-table thead th{
  padding:12px;
  background:#f3f7fd;
  text-align:left;
  color:#446384;
  font-size:12px;
}
.data-table td{
  padding:11px 12px;
  border-bottom:1px solid rgba(114,138,168,.10);
  color:#30485f;
  vertical-align:top;
}
.data-table tbody tr:last-child td{border-bottom:none}
.cea-panel{
  padding:14px;
  background:linear-gradient(135deg,rgba(36,87,245,.07) 0%,rgba(19,165,123,.07) 100%);
  border-color:rgba(36,87,245,.12);
}
.cea-row{display:flex;justify-content:space-between;gap:16px;font-size:13px;margin-bottom:8px;color:#35506c}
.cea-row.total{font-weight:800;color:#173d99;margin-top:2px}
.preset-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:4px}
.mode-toggle{display:grid;grid-template-columns:1fr;gap:8px;margin-bottom:4px}
.mode-option{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:#3c5675;
  font-size:12px;
  cursor:pointer;
  font-weight:700;
}
.mode-option:hover{border-color:rgba(36,87,245,.22);background:#f7faff}
.mode-option input{width:auto;margin:0}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}
.mini-card{
  background:linear-gradient(135deg,rgba(36,87,245,.05) 0%,rgba(19,165,123,.05) 100%);
  border:1px solid rgba(36,87,245,.10);
  border-radius:14px;
  padding:10px 12px;
}
.mini-label{display:block;font-size:11px;color:#6b7d94;margin-bottom:4px}
.mini-value{font-size:14px;color:#16355f}
.scene-box,
.context-strip,
.assumption-box{
  padding:12px 14px;
  background:linear-gradient(135deg,rgba(36,87,245,.06) 0%,rgba(19,165,123,.05) 100%);
  border-color:rgba(36,87,245,.12);
}
.scene-title,
.assumption-title{
  font-size:11px;
  font-weight:800;
  color:#2a5d73;
  margin-bottom:6px;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.scene-text,
.assumption-text,
.context-strip{font-size:13px;color:#3e5a79;line-height:1.65}
.scene-text + .scene-text{margin-top:4px}
.context-strip{margin-bottom:14px}
.talk-track{
  padding:12px 14px;
  background:linear-gradient(135deg,rgba(19,165,123,.10) 0%,rgba(36,87,245,.06) 100%);
  border-color:rgba(19,165,123,.16);
  font-size:12px;
  color:#2a5a38;
  margin-bottom:16px;
  line-height:1.7;
}
.footer a{color:var(--accent)}
@media (max-width:1240px){
  .storyboard{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .hero,.grid{grid-template-columns:1fr}
  .inputs{position:relative;top:auto}
}
@media (max-width:640px){
  .page{padding:18px 14px 30px}
  h1{font-size:30px}
  .storyboard,.mini-grid,.preset-grid,.form-row{grid-template-columns:1fr}
  .bar-row{grid-template-columns:44px 1fr 96px}
  .hero-tags{flex-direction:row}
}