/* 台灣試算工具站 — 共用設計系統 v3（Premium / Linear·Stripe 級）
   方向：排版優先・留白充裕・單一焦點（深色結果面板）・克制用色
   品牌：沿用 teal #0f6e62。本檔為純 CSS 重設計，未更動任何頁面 markup 與 JS 接線。
   ──────────────────────────────────────────────────────────── */
:root{
  /* 表面（~70%）：暖中性 */
  --bg:#ffffff; --surface:#fbfbfa; --surface-2:#f5f6f5;
  /* 墨色階（~20%）：帶極淡 teal 底的近黑，非純黑 */
  --ink:#14201c; --ink-2:#3a4641; --ink-soft:#65726c; --ink-muted:#97a39d;
  /* 品牌 teal（焦點 <5%） */
  --brand:#0f6e62; --brand-strong:#0b554c; --brand-3:#073d37;
  --brand-tint:#eaf3f1; --brand-tint-2:#d7ece7;
  /* 深色結果焦點面板 */
  --panel-ink:#0d1a17; --panel-ink-2:#10231e;
  --panel-line:rgba(255,255,255,.10); --panel-soft:rgba(233,243,240,.64); --panel-mute:rgba(233,243,240,.42);
  /* 語意色（去飽和） */
  --accent:#c4471f;
  --danger:#b23b2e; --danger-soft:#ff9c8e; --positive:#1c7a52; --positive-soft:#74d3a6;
  /* 線 */
  --line:#ebedeb; --line-strong:#dde0dd;
  /* 廣告 */
  --ad-bg:#f7f8f7;
  /* 圓角 */
  --r-xs:8px; --r-sm:10px; --r:14px; --r-lg:18px;
  /* 陰影：柔、分層、低透明 */
  --shadow:0 1px 2px rgba(20,40,34,.05);
  --sh-1:0 1px 2px rgba(20,40,34,.04);
  --sh-2:0 4px 14px -4px rgba(20,40,34,.08), 0 2px 6px -3px rgba(20,40,34,.05);
  --sh-3:0 18px 44px -16px rgba(16,40,34,.16), 0 6px 16px -8px rgba(16,40,34,.08);
  --sh-panel:0 22px 52px -20px rgba(7,40,34,.5), 0 8px 20px -12px rgba(7,40,34,.36);
  --ring:0 0 0 4px rgba(15,110,98,.13);
  --font:"Noto Sans TC",-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei","Helvetica Neue",Arial,sans-serif;
  --maxw:1160px;
  --ease:cubic-bezier(.19,1,.22,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:var(--font); font-size:16px; line-height:1.65; letter-spacing:.005em;
  -webkit-text-size-adjust:100%; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; min-height:100vh;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:0}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-strong)}
h1,h2,h3,h4{font-weight:700;line-height:1.2;color:var(--ink);text-wrap:balance}
p{text-wrap:pretty}
.skip-link{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:9px 16px;border-radius:0 0 var(--r-xs) 0;z-index:120;font-weight:600}
.skip-link:focus{left:0}

/* ── layout ── */
.wrap{max-width:760px;margin:0 auto;padding:0 28px}
.wrap-wide{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.layout{max-width:var(--maxw);margin:0 auto;padding:0 28px;display:block}
.main{min-width:0;padding-top:6px}
.sidebar{display:none}
@media(min-width:1040px){
  .layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;column-gap:56px;align-items:start}
  .sidebar{display:block}
}
@media(max-width:600px){.wrap,.wrap-wide,.layout{padding:0 18px}}

/* ── topbar：細、玻璃感 ── */
.topbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.74);
  -webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line)}
.topbar .bar{max-width:var(--maxw);margin:0 auto;padding:0 28px;display:flex;align-items:center;gap:22px;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;color:var(--ink);text-decoration:none;font-size:17px;letter-spacing:-.01em;white-space:nowrap;flex-shrink:0}
.brand .mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(155deg,var(--brand),var(--brand-3));
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:900;
  box-shadow:0 4px 12px -3px rgba(7,61,55,.5),inset 0 1px 0 rgba(255,255,255,.18)}
.nav{display:flex;gap:2px;margin-left:6px;font-size:14.5px}
.nav a{color:var(--ink-soft);text-decoration:none;padding:7px 13px;border-radius:9px;font-weight:500;transition:color .18s,background .18s}
.nav a:hover{color:var(--ink);background:var(--surface-2)}
.nav a[aria-current=page]{color:var(--brand-strong);background:var(--brand-tint);font-weight:600;box-shadow:none}
.trust-note{margin-left:auto;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ink-soft);font-weight:500}
.trust-note::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--positive);box-shadow:0 0 0 3px var(--positive-tint,rgba(28,122,82,.14));flex-shrink:0}
@media(max-width:900px){
  .topbar .bar{height:58px;padding:0 16px;gap:10px}
  .nav{gap:2px;font-size:13.5px;overflow-x:auto;-webkit-overflow-scrolling:touch;flex:1 1 auto;min-width:0;margin-left:auto;justify-content:flex-end;-ms-overflow-style:none;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav a{padding:6px 9px;white-space:nowrap}
  .trust-note{display:none}
}

/* ── breadcrumb ── */
.crumb{font-size:13px;color:var(--ink-muted);padding:22px 0 0;font-weight:500}
.crumb a{color:var(--ink-soft);text-decoration:none}
.crumb a:hover{color:var(--brand)}

/* ── hero ── */
.hero{padding:30px 0 6px}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--brand-strong);margin-bottom:2px}
.kicker::before{content:"";width:22px;height:1.5px;background:var(--brand);border-radius:2px}
h1{font-size:clamp(28px,4.4vw,44px);font-weight:700;letter-spacing:-.035em;line-height:1.13;margin:16px 0 0;max-width:20ch}
.lead{font-size:clamp(16px,1.4vw,18px);color:var(--ink-soft);margin-top:16px;max-width:60ch;line-height:1.7}
/* answer callout（AEO 一句話） */
.answer{position:relative;margin:24px 0 0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);padding:18px 22px 18px 26px;overflow:hidden;
  font-size:15.5px;color:var(--ink-2);line-height:1.72}
.answer::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(var(--brand),var(--brand-3))}
.answer b{color:var(--ink);font-weight:700}

/* ── calculator：核心 app surface ── */
.calc{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);margin:30px 0;overflow:hidden}
.calc-head{padding:20px 26px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:linear-gradient(180deg,var(--bg),var(--surface))}
.calc-head h2{font-size:18px;letter-spacing:-.015em}
.calc-head .head-extra{margin-left:auto;display:flex;align-items:center;gap:8px}
.badge-system{display:inline-block;font-size:12px;font-weight:600;padding:4px 11px;border-radius:8px;background:var(--brand-tint);color:var(--brand-strong)}
.calc-body{padding:26px;display:grid;gap:22px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
@media(max-width:560px){.row,.row-3{grid-template-columns:1fr;gap:22px}}
label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px;letter-spacing:-.005em}
input[type=date],input[type=number],input[type=text],select{
  width:100%;padding:12px 14px;border:1px solid var(--line-strong);border-radius:var(--r-sm);background:var(--bg);
  font-family:inherit;font-size:16px;font-weight:500;color:var(--ink);transition:border-color .16s,box-shadow .16s}
input::placeholder{color:var(--ink-muted);font-weight:400}
input:hover,select:hover{border-color:var(--ink-muted)}
input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:var(--ring)}
select{appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:40px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2365726c' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center}
.hint{font-size:12.5px;color:var(--ink-muted);margin-top:6px;line-height:1.55}

/* chips（核取語意） */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13.5px;font-weight:500;border:1px solid var(--line-strong);border-radius:999px;padding:8px 14px;background:var(--bg);color:var(--ink-2);
  cursor:pointer;user-select:none;display:flex;align-items:center;gap:8px;transition:background .16s,border-color .16s,color .16s}
.chip:hover{border-color:var(--ink-muted)}
.chip .box{display:inline-grid;place-items:center;width:16px;height:16px;border:1px solid var(--line-strong);border-radius:5px;font-size:11px;line-height:1;color:transparent;background:var(--bg);transition:background .16s,border-color .16s}
.chip[aria-pressed=true]{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-strong)}
.chip[aria-pressed=true] .box{background:var(--brand);border-color:var(--brand);color:#fff}
.chip[aria-pressed=true] .box::after{content:"✓"}
.chip.excluded[aria-pressed=true]{background:var(--surface-2);border-color:var(--line-strong);color:var(--ink-soft)}
.chip.excluded[aria-pressed=true] .box{background:var(--ink-muted);border-color:var(--ink-muted)}
.chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ── result：深色焦點面板（全頁唯一焦點） ── */
.result{margin:0;background:
  radial-gradient(120% 140% at 88% 0%,rgba(15,110,98,.4),transparent 56%),
  linear-gradient(165deg,var(--panel-ink-2),var(--panel-ink));
  color:#fff;border-top:1px solid var(--line);padding:28px 30px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-panel);position:relative;overflow:hidden}
.result::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(80% 120% at 10% 120%,rgba(15,110,98,.2),transparent 60%)}
.result>*{position:relative;z-index:1}
.result .label{font-size:13.5px;color:var(--panel-soft);margin-bottom:8px;font-weight:500}
.result .amount{font-weight:700;font-size:clamp(36px,7vw,54px);line-height:1;letter-spacing:-.03em;color:#fff;display:flex;align-items:baseline;gap:8px}
.result .amount .cur{font-size:.4em;font-weight:600;color:var(--panel-mute);margin-right:0;letter-spacing:0}
.result.is-due .amount{color:#ffd9d1}
.result.is-refund .amount{color:#c9f1de}
.result .meta{font-size:13px;color:var(--panel-soft);text-align:right;line-height:1.85;
  border:1px solid var(--panel-line);border-radius:var(--r);padding:14px 20px;background:rgba(255,255,255,.02);min-width:200px}
.result .meta b{font-size:17px;color:#fff;font-weight:700}
@media(max-width:640px){
  .result{flex-direction:column;align-items:stretch;gap:20px;padding:24px}
  .result .meta{text-align:left;min-width:0}
}

/* ── breakdown ── */
.breakdown{padding:8px 26px 22px}
.breakdown h3{font-size:13px;font-weight:600;color:var(--ink-soft);letter-spacing:.02em;text-transform:uppercase;margin:20px 0 6px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breakdown h3 .badge-system{text-transform:none;letter-spacing:0}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:11px 4px;border-bottom:1px solid var(--line)}
thead th{background:transparent;font-weight:600;color:var(--ink-muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--line-strong)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
td{color:var(--ink-2)}
td b{color:var(--ink);font-weight:700}
tbody tr:last-child td{border-bottom:1px solid var(--line-strong)}
tfoot td{padding-top:14px;font-weight:700;border-bottom:none;color:var(--ink)}
tfoot .total,td.num.total{color:var(--brand-strong);font-size:16px;font-weight:700}

/* toolbar */
.toolbar{display:flex;gap:12px;padding:18px 26px;border-top:1px solid var(--line);background:var(--surface);flex-wrap:wrap;align-items:center}
.btn{font-family:inherit;font-size:14px;font-weight:600;border-radius:var(--r-sm);padding:11px 18px;cursor:pointer;
  border:1px solid var(--line-strong);background:var(--bg);color:var(--ink-2);text-decoration:none;
  display:inline-flex;align-items:center;gap:8px;transition:transform .16s var(--ease),border-color .16s,color .16s,box-shadow .16s}
.btn:hover{border-color:var(--ink-muted);color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn.primary{background:linear-gradient(165deg,var(--brand),var(--brand-strong));border-color:var(--brand-strong);color:#fff;
  box-shadow:0 6px 16px -6px rgba(11,85,76,.5)}
.btn.primary:hover{box-shadow:0 10px 22px -8px rgba(11,85,76,.55);color:#fff}

/* ── GEO worked example ── */
.example{border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin:36px 0;background:var(--surface)}
.example .tag{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.example .tag::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--brand)}
.example p{margin-top:14px;font-size:14.5px;color:var(--ink-soft);line-height:1.75}
.example p+p{margin-top:12px}
.example .calc-out{font-weight:700;color:var(--brand-strong);background:var(--brand-tint);padding:1px 6px;border-radius:5px}

/* ── author + sources ── */
.author{display:flex;gap:16px;align-items:center;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;margin:36px 0 0;background:var(--bg)}
.author .ava{width:48px;height:48px;border-radius:50%;flex-shrink:0;background:linear-gradient(155deg,var(--brand),var(--brand-3));
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;box-shadow:inset 0 1px 0 rgba(255,255,255,.2)}
.author .who{font-size:14px;color:var(--ink-soft);line-height:1.55}
.author .who b{font-size:15.5px;color:var(--ink)}
.author .rev{margin-left:auto;text-align:right;font-size:12.5px;color:var(--ink-muted);line-height:1.6}
@media(max-width:560px){.author{flex-wrap:wrap}.author .rev{margin-left:0;text-align:left;width:100%}}
.sources{font-size:13.5px;color:var(--ink-soft);border-top:1px solid var(--line);padding-top:18px;margin-top:22px;line-height:1.8}
.sources b{color:var(--ink-2)}
.sources a{color:var(--brand);text-decoration:none;border-bottom:1px solid var(--line-strong);padding-bottom:1px}

/* ── faq ── */
.faq{margin:48px 0}
.faq h2{font-size:clamp(22px,2.6vw,26px);font-weight:700;letter-spacing:-.025em;margin-bottom:14px}
details{border-bottom:1px solid var(--line)}
.faq details{padding:0}
summary{cursor:pointer;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 2px;color:var(--ink);transition:color .18s}
summary:hover{color:var(--brand-strong)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--ink-muted);font-size:20px;line-height:1;font-weight:400;flex-shrink:0;transition:transform .25s var(--ease),color .2s}
details[open] summary{color:var(--brand-strong)}
details[open] summary::after{transform:rotate(45deg);color:var(--brand)}
details p{padding:0 2px 20px;color:var(--ink-soft);font-size:15px;line-height:1.75;max-width:68ch}

/* ── cta ── */
.cta{border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 30px;margin:36px 0;
  background:linear-gradient(165deg,var(--surface),var(--surface-2));position:relative;overflow:hidden}
.cta .disc{font-size:11px;color:var(--ink-muted);margin-bottom:12px}
.cta h3{font-size:21px;letter-spacing:-.02em;margin-bottom:8px}
.cta p{font-size:14.5px;color:var(--ink-soft);margin-bottom:18px;max-width:56ch}
.cta .btn{margin-right:10px}

.disclaimer{font-size:12.5px;color:var(--ink-muted);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;margin:24px 0;line-height:1.7}

/* ── footer ── */
footer{border-top:1px solid var(--line);background:var(--surface);margin-top:56px;padding:48px 0 40px}
.foot-grid{max-width:var(--maxw);margin:0 auto;padding:0 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.foot-col h4{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:14px}
.foot-col a{display:block;font-size:13.5px;color:var(--ink-soft);text-decoration:none;margin-bottom:10px;transition:color .16s}
.foot-col a:hover{color:var(--brand)}
.foot-col p{font-size:12.5px;color:var(--ink-muted);line-height:1.7}
.foot-base{max-width:var(--maxw);margin:32px auto 0;padding:24px 28px 0;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-muted);line-height:1.7}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:420px){.foot-grid{grid-template-columns:1fr}}

/* ── homepage ── */
.home-hero{padding:48px 0 20px}
.home-hero h1{font-size:clamp(30px,5vw,48px);max-width:16ch}
.home-hero .lead{max-width:60ch}
.feature-row{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 4px}
.feature-row span{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:7px 14px}
.feature-row b{color:var(--brand);font-weight:700}
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:30px 0 8px}
.tool-card{display:block;text-decoration:none;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);transition:transform .18s var(--ease),border-color .18s,box-shadow .18s}
.tool-card:hover{transform:translateY(-3px);border-color:var(--brand-tint-2);box-shadow:var(--sh-3)}
.tool-card .ic{font-weight:900;width:44px;height:44px;border-radius:12px;background:linear-gradient(155deg,var(--brand),var(--brand-3));color:#fff;
  display:grid;place-items:center;font-size:19px;margin-bottom:16px;box-shadow:0 4px 12px -3px rgba(7,61,55,.4),inset 0 1px 0 rgba(255,255,255,.18)}
.tool-card h3{font-size:18px;letter-spacing:-.015em;margin-bottom:7px}
.tool-card p{font-size:13.5px;color:var(--ink-soft);line-height:1.6}

/* ── sidebar modules ── */
.side-mod{border:1px solid var(--line);border-radius:var(--r);margin-bottom:22px;overflow:hidden;background:var(--bg);box-shadow:var(--sh-1)}
.side-mod h4{font-size:12px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-soft);padding:15px 18px 11px}
.side-mod ul{list-style:none;padding:0 8px 10px}
.side-mod li a{display:block;padding:11px 12px;border-radius:var(--r-xs);color:var(--ink);text-decoration:none;font-size:14.5px;font-weight:600;transition:background .16s,color .16s}
.side-mod li a:hover{background:var(--surface);color:var(--brand-strong)}
.side-mod li a .d{display:block;font-size:12px;font-weight:400;color:var(--ink-muted);margin-top:2px}

/* ── ad slots ── */
.ad-slot{position:relative;background:repeating-linear-gradient(135deg,var(--surface) 0 12px,var(--surface-2) 12px 24px);
  border:1px dashed var(--line-strong);border-radius:var(--r);display:grid;place-items:center;overflow:hidden}
.ad-slot::before{content:"廣告";position:absolute;top:8px;left:12px;font-size:10px;color:var(--ink-muted);letter-spacing:.18em;font-weight:600}
.ad-slot .ph{font-size:12px;color:var(--ink-muted);font-weight:500}
.ad-leaderboard{min-height:96px;margin:22px 0 4px}
.ad-inarticle{min-height:280px;margin:36px 0}
.ad-footer{min-height:96px;margin:8px 0 0}
.ad-sidebar{min-height:600px}
.ad-sidebar-wrap{position:sticky;top:88px}
@media(max-width:760px){.ad-leaderboard,.ad-footer{min-height:100px}}

/* ── consent bar (Consent Mode v2) ── */
.consent-bar{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);
  border-top:1px solid var(--line-strong);box-shadow:0 -8px 30px -12px rgba(16,40,34,.2);padding:18px 22px}
.consent-bar[hidden]{display:none}
.consent-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.consent-inner p{font-size:14px;color:var(--ink-2);flex:1;min-width:260px;line-height:1.6}
.consent-inner a{color:var(--brand)}
.consent-actions{display:flex;gap:8px;flex-wrap:wrap}
.consent-actions .btn{font-size:14px;padding:10px 18px}
.consent-detail{max-width:var(--maxw);margin:14px auto 0;border-top:1px solid var(--line);padding-top:14px}
.consent-detail[hidden]{display:none}
.consent-opt{display:flex;align-items:flex-start;gap:10px;padding:9px 0;font-size:13.5px;color:var(--ink-soft)}
.consent-opt b{color:var(--ink);font-weight:700;font-size:14px}
.consent-opt input{width:auto;margin-top:3px}
@media(max-width:560px){.consent-actions{width:100%}.consent-actions .btn{flex:1;justify-content:center}}

/* ── article (compliance/about) ── */
.article{padding:8px 0 20px}
.article h1{font-size:clamp(28px,4vw,40px);letter-spacing:-.03em;margin:18px 0 6px}
.article h2{font-size:20px;letter-spacing:-.015em;margin:30px 0 10px}
.article p,.article li{font-size:15.5px;color:var(--ink-soft);margin-bottom:11px;line-height:1.75;max-width:68ch}
.article ul{padding-left:22px}
.article b{color:var(--ink)}
.article .btn{margin-top:4px}
.updated{font-size:13px;color:var(--ink-muted);margin-bottom:20px}

/* ── accessibility / motion ── */
.main,#main,:target{scroll-margin-top:78px}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* ── print ── */
@media print{
  .topbar,.toolbar,.cta,.nav,footer,.ad-slot,.consent-bar,.sidebar,.crumb{display:none!important}
  body{background:#fff}
  .layout{display:block}
  .calc,.result,.example,.author{border-color:#ccc;box-shadow:none}
  .result{background:#fff!important;color:#000!important}
  .result .label{color:#444!important}
  .result .amount,.result .meta,.result .meta b{color:#000!important}
  .result .meta{border-color:#ccc!important}
}