/* ===== 报价引擎 · 样式 ===== */
:root {
  --bg: #0b1310;
  --bg-2: #0f1a15;
  --panel: #12201a;
  --panel-2: #16281f;
  --line: #22382d;
  --text: #e8f2ec;
  --muted: #8fa89b;
  --accent: #3ddc84;
  --accent-2: #a3e635;
  --warn: #ffb454;
  --danger: #ff6b6b;
  --radius: 16px;
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, .9);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(61, 220, 132, .12), transparent 60%),
    radial-gradient(700px 400px at 0% 0%, rgba(163, 230, 53, .08), transparent 55%),
    var(--bg);
  color: var(--text);
  font: 16px/1.65 "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(1120px, 92vw); margin: 0 auto; }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; }

/* ---- 顶栏 ---- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(11, 19, 16, .78);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { font-weight: 700; letter-spacing: .5px; }
.brand i {
  font-style: normal; color: #04150c; background: var(--accent);
  border-radius: 8px; padding: 1px 7px; margin-right: 6px;
}
.nav a {
  color: var(--muted); text-decoration: none; font-size: 14px; margin-left: 18px;
  transition: color .15s;
}
.nav a:hover { color: var(--accent); }

/* ---- Hero ---- */
.hero { padding: 56px 0 30px; }
.kicker {
  color: var(--accent-2); font-size: 13px; letter-spacing: 3px;
  text-transform: uppercase; margin: 0 0 12px;
}
.hero h1 { font-size: clamp(30px, 5vw, 52px); font-weight: 800; letter-spacing: -1px; }
.hl {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sub { color: var(--muted); max-width: 64ch; font-size: 17px; }
.sub strong { color: var(--text); font-weight: 600; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chips button {
  font: inherit; font-size: 14px; cursor: pointer;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel); color: var(--muted);
  transition: all .15s;
}
.chips button:hover { border-color: var(--accent); color: var(--text); transform: translateY(-1px); }
.chips button.on { background: var(--accent); border-color: var(--accent); color: #04150c; font-weight: 700; }

/* ---- 布局 ---- */
.grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
  align-items: start; padding-bottom: 30px;
}
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } }

.panel {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.panel h2 { font-size: 20px; letter-spacing: .5px; }

.grp {
  margin: 26px 0 14px; font-size: 12px; font-weight: 700;
  letter-spacing: 2px; color: var(--accent); text-transform: uppercase;
  border-top: 1px dashed var(--line); padding-top: 18px;
}
.grp:first-of-type { border-top: 0; padding-top: 0; margin-top: 6px; }
.grp em { color: var(--muted); font-style: normal; font-weight: 400; letter-spacing: 0; }

/* ---- 表单 ---- */
.field { margin-bottom: 18px; }
.field-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.field-head label { font-size: 15px; font-weight: 600; }
.field-val { display: flex; align-items: center; gap: 6px; }
.field-val input {
  width: 108px; text-align: right; font: 600 15px/1 inherit; font-family: inherit;
  color: var(--accent-2); background: #0a120e;
  border: 1px solid var(--line); border-radius: 9px; padding: 7px 9px;
  outline: none; transition: border-color .15s;
}
.field-val input:focus { border-color: var(--accent); }
.field-val i { font-style: normal; font-size: 12px; color: var(--muted); min-width: 34px; }
.note { margin: 4px 0 8px; font-size: 12.5px; color: var(--muted); }

.slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 5px; margin-top: 10px;
  background: var(--line); border-radius: 99px; outline: none; cursor: pointer;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 3px solid #06110b;
  box-shadow: 0 0 0 1px var(--accent); transition: transform .12s;
}
.slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.slider::-moz-range-thumb {
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--accent); border: 3px solid #06110b; cursor: pointer;
}

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
/* 窄栏里压缩输入框，避免标签被挤换行 */
.two .field-head label { font-size: 14px; }
.two .field-val input { width: 74px; }
.two .field-val i { min-width: 22px; }
@media (max-width: 460px) { .two { grid-template-columns: 1fr; } }

/* ---- 计费率条 ---- */
.meter { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.meter-bar {
  flex: 1; height: 8px; background: var(--line); border-radius: 99px; overflow: hidden;
}
.meter-bar span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .3s ease;
}
.meter-bar span.low { background: linear-gradient(90deg, var(--danger), var(--warn)); }
.meter b { font-size: 13px; color: var(--accent-2); min-width: 52px; text-align: right; }

/* ---- 结果 ---- */
.warn {
  background: rgba(255, 107, 107, .12); border: 1px solid rgba(255, 107, 107, .45);
  color: #ffc9c9; padding: 10px 14px; border-radius: 10px; font-size: 14px; margin-bottom: 16px;
}

.hero-result {
  background: linear-gradient(135deg, rgba(61, 220, 132, .16), rgba(163, 230, 53, .06));
  border: 1px solid rgba(61, 220, 132, .35);
  border-radius: var(--radius); padding: 20px 22px; margin-bottom: 18px;
}
.hero-result .label { display: block; font-size: 13.5px; color: var(--muted); }
.hero-result .label strong { color: var(--text); }
.hero-result .big {
  display: block; font-size: clamp(34px, 6vw, 46px); font-weight: 800;
  letter-spacing: -1.5px; margin: 6px 0 4px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-result .hint { font-size: 13.5px; color: var(--muted); }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 460px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: #0d1713; border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 16px;
}
.card span { font-size: 13px; color: var(--muted); display: block; }
.card strong { display: block; font-size: 24px; font-weight: 700; margin: 4px 0 2px; }
.card small { font-size: 11.5px; color: #6f8a7c; }
.card.accent { border-color: rgba(163, 230, 53, .45); background: rgba(163, 230, 53, .07); }
.card.accent strong { color: var(--accent-2); }

/* ---- 三档报价 ---- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 560px) { .tiers { grid-template-columns: 1fr; } }
.tier {
  background: #0d1713; border: 1px solid var(--line);
  border-radius: 12px; padding: 14px; text-align: center;
}
.tier span { font-size: 12.5px; color: var(--muted); letter-spacing: 1px; }
.tier strong { display: block; font-size: 21px; margin: 6px 0; color: var(--text); }
.tier small { display: block; font-size: 11.5px; color: #6f8a7c; line-height: 1.5; }
.tier.featured {
  border-color: var(--accent); background: rgba(61, 220, 132, .1);
  box-shadow: 0 0 0 1px rgba(61, 220, 132, .3), 0 12px 30px -18px rgba(61, 220, 132, .6);
}
.tier.featured strong { color: var(--accent); font-size: 23px; }
.tier.featured span { color: var(--accent); font-weight: 700; }

.line { font-size: 14.5px; color: var(--muted); margin: 16px 0 0; }
.line strong { color: var(--accent-2); }

/* ---- 雇员对比 ---- */
.compare {
  margin-top: 20px; padding: 18px 20px;
  background: #0d1713; border: 1px dashed var(--line); border-radius: 12px;
}
.compare h3 { font-size: 15.5px; margin-bottom: 8px; }
.compare p { margin: 6px 0; font-size: 14.5px; color: var(--muted); }
.compare .strong { color: var(--text); font-weight: 600; }
.compare .strong b { color: var(--accent); }

/* ---- 按钮 ---- */
.actions { display: flex; gap: 12px; margin-top: 20px; }
.cta, .ghost {
  font: inherit; font-weight: 700; cursor: pointer;
  padding: 12px 22px; border-radius: 11px; border: 1px solid transparent;
  transition: transform .12s, box-shadow .12s, background .12s;
}
.cta {
  flex: 1; background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #04150c; box-shadow: 0 12px 26px -14px rgba(61, 220, 132, .9);
}
.cta:hover { transform: translateY(-2px); }
.cta:active { transform: translateY(0); }
.ghost { background: transparent; border-color: var(--line); color: var(--muted); }
.ghost:hover { border-color: var(--danger); color: var(--danger); }
.micro { font-size: 12px; color: #6f8a7c; margin: 10px 0 0; }

/* ---- 说明 ---- */
.explain {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px; margin-bottom: 22px;
}
.explain.alt { background: var(--bg-2); }
.explain h2 { font-size: 20px; }
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 800px) { .cols { grid-template-columns: 1fr; } }
.cols h3 { color: var(--accent-2); font-size: 15px; margin-bottom: 6px; }
.cols p, .list li { color: var(--muted); font-size: 14.5px; }
.cols strong, .list strong { color: var(--text); }
code {
  background: #0a120e; border: 1px solid var(--line);
  padding: 1px 7px; border-radius: 6px; font-size: 13px; color: var(--accent);
}
.list { margin: 0; padding-left: 20px; }
.list li { margin-bottom: 9px; }

/* ---- 页脚 ---- */
.site-footer { border-top: 1px solid var(--line); padding: 22px 0 40px; margin-top: 10px; }
.foot-line { font-size: 13px; color: #6f8a7c; text-align: center; margin: 6px 0; }
.sponsor a { color: var(--accent); }

/* ---- 分段控件（所得类型 / 预扣方式） ---- */
.seg-label { font-size: 14px; font-weight: 600; margin: 0 0 8px; }
.seg-label em { font-style: normal; font-weight: 400; font-size: 12px; color: var(--muted); margin-left: 6px; }
.seg { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.seg button {
  font: inherit; font-size: 14px; cursor: pointer;
  padding: 8px 15px; border-radius: 10px;
  border: 1px solid var(--line); background: #0d1713; color: var(--muted);
  transition: all .15s;
}
.seg button:hover { border-color: var(--accent); color: var(--text); }
.seg button.on {
  background: rgba(61, 220, 132, .14); border-color: var(--accent);
  color: var(--accent); font-weight: 700;
}

/* ---- 键值明细 ---- */
.kv { margin-top: 4px; }
.kv div {
  display: flex; justify-content: space-between; align-items: baseline; gap: 14px;
  padding: 9px 2px; border-bottom: 1px dashed var(--line); font-size: 14.5px;
}
.kv div:last-child { border-bottom: 0; }
.kv span { color: var(--muted); }
.kv b { font-weight: 700; color: var(--text); text-align: right; white-space: nowrap; }

/* ---- 汇算结果配色 ---- */
.hero-result.settle { background: linear-gradient(135deg, rgba(143, 168, 155, .12), rgba(143, 168, 155, .04)); border-color: var(--line); }
.hero-result.settle .big { background: none; -webkit-text-fill-color: currentColor; color: var(--muted); }
.hero-result.settle.is-refund { background: linear-gradient(135deg, rgba(61, 220, 132, .16), rgba(163, 230, 53, .06)); border-color: rgba(61, 220, 132, .4); }
.hero-result.settle.is-refund .big { color: var(--accent); }
.hero-result.settle.is-owe { background: linear-gradient(135deg, rgba(255, 107, 107, .14), rgba(255, 180, 84, .06)); border-color: rgba(255, 107, 107, .45); }
.hero-result.settle.is-owe .big { color: var(--danger); }

/* ---- 小按钮（估算已预缴） ---- */
.mini {
  font: inherit; font-size: 12px; cursor: pointer; margin-left: 4px;
  padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--accent); background: transparent; color: var(--accent);
  transition: all .15s;
}
.mini:hover { background: var(--accent); color: #04150c; }

/* ---- 导航当前页 ---- */
.nav a[aria-current="page"] { color: var(--accent); font-weight: 700; }

/* ---- 跨工具互链 ---- */
.cross { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.cross a {
  color: var(--accent); font-weight: 700; text-decoration: none;
  border-bottom: 1px dashed rgba(61, 220, 132, .6);
}
.cross a:hover { border-bottom-style: solid; }

/* ---- 政策链接 ---- */
.explain a { color: var(--accent); text-decoration: underline dotted; text-underline-offset: 3px; }
.explain a:hover { text-decoration-style: solid; }

/* ---- 键盘可达性 ---- */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
  border-radius: 6px;
}
.slider:focus-visible { outline-offset: 4px; }

/* ---- 窄屏：导航换行，避免溢出 ---- */
@media (max-width: 560px) {
  .bar { flex-wrap: wrap; gap: 6px 0; }
  .brand { font-size: 14px; }
  .nav { width: 100%; }
  .nav a { margin-left: 0; margin-right: 14px; font-size: 13px; }
}

/* ---- Toast ---- */
.toast {
  position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 20px);
  background: var(--accent); color: #04150c; font-weight: 700; font-size: 14px;
  padding: 11px 22px; border-radius: 999px; opacity: 0; pointer-events: none;
  transition: all .25s ease; z-index: 50; box-shadow: 0 14px 30px -12px rgba(61, 220, 132, .8);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }