/* ==========================================================================
   通税云 TongTax — 平台中立的 AI 出口退税与跨境财税合规助手
   自包含样式系统(无外部运行时依赖)
   ========================================================================== */

:root {
  --bg: #0b1020;
  --bg-soft: #0f1730;
  --surface: #ffffff;
  --surface-2: #f6f8fc;
  --surface-3: #eef2fb;
  --ink: #0c1633;
  --ink-2: #3a4664;
  --ink-3: #6b7793;
  --line: #e3e9f4;
  --brand: #2f5bff;
  --brand-2: #5b86ff;
  --brand-ink: #1b3bd1;
  --accent: #08b39b;
  --accent-soft: #e3faf4;
  --warn: #e8743b;
  --warn-soft: #fdeee5;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(13, 24, 56, .06), 0 4px 16px rgba(13, 24, 56, .05);
  --shadow-md: 0 8px 30px rgba(13, 24, 56, .10);
  --shadow-lg: 0 24px 60px rgba(13, 24, 56, .16);
  --maxw: 1140px;
  --font: "Inter", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  color: var(--brand-ink); background: var(--surface-3);
  padding: 6px 12px; border-radius: 999px;
}
.eyebrow.alt { color: var(--accent); background: var(--accent-soft); }

h1, h2, h3 { line-height: 1.18; letter-spacing: -.01em; margin: 0; }
.section { padding: 92px 0; }
.section--tight { padding: 64px 0; }
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 40px); margin: 14px 0 14px; font-weight: 800; }
.section-head p { color: var(--ink-2); font-size: 17px; margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 15px; font-weight: 600; cursor: pointer;
  padding: 13px 22px; border-radius: 12px; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(47, 91, 255, .28); }
.btn-primary:hover { background: var(--brand-ink); box-shadow: 0 10px 26px rgba(47, 91, 255, .36); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand-2); color: var(--brand-ink); }
.btn-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.22); }
.btn-light:hover { background: rgba(255,255,255,.2); }
.btn-block { width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.82); backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -.01em; }
.brand .logo {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
  display: grid; place-items: center; color: #fff; font-size: 15px; font-weight: 800;
  box-shadow: 0 4px 12px rgba(47,91,255,.35);
}
.brand small { font-weight: 600; color: var(--ink-3); font-size: 12px; letter-spacing: .12em; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 15px; color: var(--ink-2); font-weight: 500; }
.nav-links a:hover { color: var(--brand-ink); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; border-radius: 2px; transition: .2s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 460px at 78% -8%, rgba(91,134,255,.18), transparent 60%),
    radial-gradient(700px 440px at 8% 8%, rgba(8,179,155,.12), transparent 55%),
    linear-gradient(180deg, #fbfcff 0%, #f3f6fe 100%);
  border-bottom: 1px solid var(--line);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding: 76px 0 88px; }
.hero h1 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 850; letter-spacing: -.02em; }
.hero h1 .grad { background: linear-gradient(110deg, var(--brand) 10%, var(--accent) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 18px; color: var(--ink-2); margin: 22px 0 30px; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 26px; margin-top: 34px; flex-wrap: wrap; }
.hero-trust .t { }
.hero-trust .t b { display: block; font-size: 24px; font-weight: 800; color: var(--ink); }
.hero-trust .t span { font-size: 13px; color: var(--ink-3); }

/* ---------- Calculator card ---------- */
.calc {
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow-lg); padding: 26px; position: relative;
}
.calc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.calc-head .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.calc-head h3 { font-size: 17px; font-weight: 800; }
.calc-sub { font-size: 13px; color: var(--ink-3); margin: 0 0 18px; }
.field { margin-bottom: 16px; }
.field label { display: flex; justify-content: space-between; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 7px; }
.field .hint { color: var(--ink-3); font-weight: 500; }
.input-wrap { position: relative; }
.input-wrap .unit { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-size: 13px; color: var(--ink-3); }
.calc input, .calc select {
  width: 100%; font-family: inherit; font-size: 16px; color: var(--ink);
  padding: 12px 44px 12px 14px; border: 1px solid var(--line); border-radius: 11px;
  background: var(--surface-2); transition: border .15s, box-shadow .15s; appearance: none;
}
.calc select { padding-right: 14px; cursor: pointer; }
.calc input:focus, .calc select:focus { outline: none; border-color: var(--brand-2); box-shadow: 0 0 0 3px rgba(91,134,255,.18); background: #fff; }
.calc-result {
  margin-top: 4px; background: linear-gradient(135deg, #0f1730, #1b2a55);
  border-radius: 14px; padding: 18px 20px; color: #fff;
}
.calc-result .label { font-size: 12px; color: #aab6da; letter-spacing: .04em; }
.calc-result .amount { font-size: 32px; font-weight: 850; margin: 2px 0 2px; letter-spacing: -.01em; }
.calc-result .amount small { font-size: 16px; font-weight: 600; color: #c3cdec; }
.calc-result .note { font-size: 12px; color: #9fb0dd; }
.calc-flag { display: flex; gap: 8px; align-items: flex-start; margin-top: 14px; background: var(--warn-soft); border-radius: 11px; padding: 11px 13px; }
.calc-flag svg { flex: none; margin-top: 1px; }
.calc-flag p { margin: 0; font-size: 12.5px; color: #9a4a22; line-height: 1.5; }
.calc-note { font-size: 11px; color: var(--ink-3); margin: 12px 2px 0; text-align: center; }

/* ---------- Sample plan output (hero widget) ---------- */
.plan-list { margin-top: 4px; display: flex; flex-direction: column; gap: 8px; }
.plan-item {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 11px; padding: 11px 13px;
}
.plan-item .pday { flex: none; width: 38px; font-size: 11px; font-weight: 700; color: var(--brand-ink); text-transform: uppercase; padding-top: 2px; }
.plan-item .pbody { flex: 1; min-width: 0; }
.plan-item .ptext { font-size: 13px; color: var(--ink); line-height: 1.45; }
.plan-item .pmeta { margin-top: 5px; display: flex; gap: 6px; flex-wrap: wrap; }
.pill { font-size: 10.5px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-3); color: var(--brand-ink); }
.pill.green { background: var(--accent-soft); color: #07614f; }
.calc-empty { font-size: 13px; color: var(--ink-3); text-align: center; padding: 26px 10px; }

/* ---------- Free tool page ---------- */
.tool-hero { background: linear-gradient(180deg, #fbfcff 0%, #f3f6fe 100%); border-bottom: 1px solid var(--line); padding: 56px 0 40px; }
.tool-hero h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 850; letter-spacing: -.02em; max-width: 820px; }
.tool-hero h1 .grad { background: linear-gradient(110deg, var(--brand) 10%, var(--accent) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tool-hero p { font-size: 17px; color: var(--ink-2); max-width: 640px; margin: 16px 0 0; }
.tool-back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--ink-3); margin-bottom: 18px; }
.tool-back:hover { color: var(--brand-ink); }

.tool-panel { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-md); padding: 26px; margin-top: -28px; position: relative; z-index: 2; }
.tool-controls { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; }
.tool-controls .field { margin-bottom: 0; }
.tool-controls label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 8px; }
.tool-controls input[type="text"], .tool-controls select {
  width: 100%; font-family: inherit; font-size: 15px; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 11px; background: var(--surface-2); appearance: none;
}
.tool-controls input:focus, .tool-controls select:focus { outline: none; border-color: var(--brand-2); box-shadow: 0 0 0 3px rgba(91,134,255,.18); background: #fff; }
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; padding: 8px 13px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink-2); cursor: pointer; user-select: none; transition: .15s; }
.chip input { display: none; }
.chip.on { background: rgba(47,91,255,.08); border-color: var(--brand-2); color: var(--brand-ink); }
.tool-row2 { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end; margin-top: 18px; }
.tool-row2 .field { flex: 1; min-width: 150px; }
.tool-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

.cal-out { margin-top: 30px; display: flex; flex-direction: column; gap: 22px; }
.cal-week { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.cal-week > h4 { margin: 0; padding: 13px 18px; background: var(--surface-2); font-size: 14px; font-weight: 750; color: var(--ink); border-bottom: 1px solid var(--line); }
.cal-day { display: grid; grid-template-columns: 90px 1fr; gap: 0; }
.cal-day + .cal-day { border-top: 1px solid var(--line); }
.cal-day .d { padding: 16px 18px; font-size: 12px; font-weight: 700; color: var(--brand-ink); text-transform: uppercase; background: #fcfdff; border-right: 1px solid var(--line); }
.cal-day .posts { padding: 12px 16px; display: flex; flex-direction: column; gap: 12px; }
.cal-post .meta { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; align-items: center; }
.cal-post .ptxt { font-size: 14px; color: var(--ink); line-height: 1.5; }
.cal-post .copy { margin-left: auto; font-size: 11px; font-weight: 600; color: var(--brand-ink); background: var(--surface-3); border: 0; border-radius: 7px; padding: 3px 9px; cursor: pointer; }
.cal-post .copy:hover { background: #dde6fb; }
.tool-cta { margin-top: 34px; background: linear-gradient(135deg, #14224b 0%, #1d3a86 60%, #146e63 130%); color: #fff; border-radius: 18px; padding: 30px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.tool-cta h3 { font-size: 22px; font-weight: 800; margin: 0 0 6px; }
.tool-cta p { margin: 0; color: #c6d2f2; font-size: 15px; max-width: 520px; }
.tool-note { font-size: 12px; color: var(--ink-3); text-align: center; margin-top: 18px; }

@media (max-width: 760px) {
  .tool-controls { grid-template-columns: 1fr; }
  .cal-day { grid-template-columns: 64px 1fr; }
  .cal-day .d { padding: 12px; }
}

/* ---------- Hook list (tool) ---------- */
.hook-list { margin-top: 30px; display: flex; flex-direction: column; gap: 12px; }
.hook-card { display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; box-shadow: var(--shadow-sm); }
.hook-card .num { flex: none; width: 26px; height: 26px; border-radius: 8px; background: var(--surface-3); color: var(--brand-ink); font-size: 12px; font-weight: 800; display: grid; place-items: center; margin-top: 2px; }
.hook-card .body { flex: 1; min-width: 0; }
.hook-card .htxt { font-size: 15.5px; color: var(--ink); line-height: 1.5; font-weight: 550; }
.hook-card .hmeta { margin-top: 7px; display: flex; gap: 6px; align-items: center; }
.hook-card .copy { margin-left: auto; font-size: 11px; font-weight: 600; color: var(--brand-ink); background: var(--surface-3); border: 0; border-radius: 7px; padding: 4px 10px; cursor: pointer; }
.hook-card .copy:hover { background: #dde6fb; }

/* ---------- Blog ---------- */
.blog-hero { background: linear-gradient(180deg, #fbfcff 0%, #f3f6fe 100%); border-bottom: 1px solid var(--line); padding: 56px 0 44px; }
.blog-hero h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 850; letter-spacing: -.02em; }
.blog-hero p { font-size: 17px; color: var(--ink-2); margin: 14px 0 0; max-width: 640px; }
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.post-card { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .2s, border-color .2s; }
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #d4def5; }
.post-card .tagrow { display: flex; gap: 8px; margin-bottom: 12px; }
.post-card h3 { font-size: 19px; font-weight: 750; line-height: 1.3; margin-bottom: 10px; color: var(--ink); }
.post-card p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.post-card .more { display: inline-block; margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--brand-ink); }

/* Article */
.article { max-width: 760px; margin: 0 auto; padding: 56px 0 40px; }
.article .kicker { display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--ink-3); margin-bottom: 14px; }
.article h1 { font-size: clamp(28px, 4.2vw, 42px); font-weight: 850; letter-spacing: -.02em; line-height: 1.18; }
.article .lede { font-size: 19px; color: var(--ink-2); margin: 18px 0 8px; line-height: 1.6; }
.article-body { font-size: 17px; line-height: 1.75; color: var(--ink); }
.article-body h2 { font-size: 24px; font-weight: 800; margin: 36px 0 12px; letter-spacing: -.01em; }
.article-body h3 { font-size: 19px; font-weight: 750; margin: 26px 0 8px; }
.article-body p { margin: 0 0 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px; padding-left: 22px; }
.article-body li { margin: 7px 0; }
.article-body a { color: var(--brand-ink); text-decoration: underline; text-underline-offset: 2px; }
.article-body strong { font-weight: 700; }
.article-body blockquote { margin: 22px 0; padding: 14px 20px; border-left: 3px solid var(--brand-2); background: var(--surface-2); border-radius: 0 10px 10px 0; color: var(--ink-2); }
.article-cta { margin: 40px 0 0; background: linear-gradient(135deg, #14224b 0%, #1d3a86 60%, #146e63 130%); color: #fff; border-radius: 18px; padding: 28px; }
.article-cta h3 { font-size: 20px; font-weight: 800; margin: 0 0 8px; color: #fff; }
.article-cta p { color: #c6d2f2; font-size: 15px; margin: 0 0 16px; }

/* ---------- Pain band ---------- */
.pain { background: var(--bg); color: #e8edfb; }
.pain .section-head h2 { color: #fff; }
.pain .section-head p { color: #9fabce; }
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pain-card { background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); border: 1px solid rgba(255,255,255,.09); border-radius: var(--radius); padding: 24px; }
.pain-card .big { font-size: 30px; font-weight: 850; color: #fff; letter-spacing: -.01em; }
.pain-card .big span { font-size: 15px; color: var(--brand-2); }
.pain-card h4 { font-size: 15.5px; margin: 12px 0 6px; color: #fff; font-weight: 700; }
.pain-card p { margin: 0; font-size: 13.5px; color: #97a4c7; }

/* ---------- Features ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .2s, border-color .2s;
}
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #d4def5; }
.feature .ic { width: 46px; height: 46px; border-radius: 12px; background: var(--surface-3); display: grid; place-items: center; margin-bottom: 16px; }
.feature h3 { font-size: 17.5px; font-weight: 750; margin-bottom: 8px; }
.feature p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.feature .tag { display: inline-block; margin-top: 14px; font-size: 12px; font-weight: 600; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; }

/* ---------- Differentiation table ---------- */
.diff { background: var(--surface-2); }
.diff-table { background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-sm); }
.diff-row { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; }
.diff-row + .diff-row { border-top: 1px solid var(--line); }
.diff-row > div { padding: 18px 20px; font-size: 14.5px; display: flex; align-items: center; gap: 8px; }
.diff-row.head > div { background: var(--surface-2); font-weight: 700; font-size: 14px; color: var(--ink-2); }
.diff-row.head .us { background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; }
.diff-row .rowlabel { font-weight: 650; color: var(--ink); }
.diff-row .us { background: rgba(47,91,255,.045); font-weight: 600; }
.yes { color: var(--accent); font-weight: 700; }
.no { color: var(--ink-3); }
.mid { color: var(--warn); }

/* ---------- Audience ---------- */
.aud-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.aud {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  background: linear-gradient(180deg, #fff, var(--surface-2));
}
.aud .ic { font-size: 26px; margin-bottom: 12px; }
.aud h4 { font-size: 16px; font-weight: 750; margin-bottom: 7px; }
.aud p { margin: 0; font-size: 13.5px; color: var(--ink-2); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step .n { width: 42px; height: 42px; border-radius: 12px; background: var(--bg); color: #fff; font-weight: 800; display: grid; place-items: center; margin-bottom: 16px; }
.step h4 { font-size: 18px; font-weight: 750; margin-bottom: 8px; }
.step p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* ---------- Market / data ---------- */
.market { background: var(--bg); color: #fff; }
.market .section-head h2 { color: #fff; }
.market .section-head p { color: #9fabce; }
.market-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.metric { background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); padding: 28px; }
.metric b { font-size: 38px; font-weight: 850; background: linear-gradient(110deg, #7e9bff, #2ee0c2); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: -.02em; }
.metric h4 { font-size: 15px; margin: 8px 0 6px; color: #fff; font-weight: 650; }
.metric p { margin: 0; font-size: 13px; color: #93a1c6; }
.metric a { color: #7e9bff; text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); }
.plan.featured { border: 2px solid var(--brand); box-shadow: var(--shadow-md); position: relative; }
.plan .badge { position: absolute; top: -13px; left: 30px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.plan h3 { font-size: 19px; font-weight: 800; }
.plan .desc { font-size: 13.5px; color: var(--ink-3); margin: 6px 0 18px; min-height: 40px; }
.plan .amt { font-size: 32px; font-weight: 850; letter-spacing: -.01em; }
.plan .amt span { font-size: 14px; font-weight: 600; color: var(--ink-3); }
.plan ul { list-style: none; padding: 0; margin: 20px 0 24px; flex: 1; }
.plan li { font-size: 14px; color: var(--ink-2); padding: 7px 0 7px 26px; position: relative; }
.plan li::before { content: ""; position: absolute; left: 0; top: 13px; width: 14px; height: 8px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

/* ---------- CTA / form ---------- */
.cta { background: linear-gradient(135deg, #14224b 0%, #1d3a86 60%, #146e63 130%); color: #fff; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.cta h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 850; }
.cta p { color: #c6d2f2; font-size: 16px; margin: 16px 0 0; }
.cta ul { list-style: none; padding: 0; margin: 24px 0 0; }
.cta ul li { padding: 6px 0 6px 28px; position: relative; color: #dde6fb; font-size: 15px; }
.cta ul li::before { content: "✓"; position: absolute; left: 0; color: #2ee0c2; font-weight: 800; }
.form-card { background: #fff; border-radius: 20px; padding: 30px; box-shadow: var(--shadow-lg); color: var(--ink); }
.form-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 4px; }
.form-card .sub { font-size: 13.5px; color: var(--ink-3); margin: 0 0 20px; }
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.form-card input, .form-card select, .form-card textarea {
  width: 100%; font-family: inherit; font-size: 15px; padding: 11px 13px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); transition: .15s;
}
.form-card input:focus, .form-card select:focus, .form-card textarea:focus { outline: none; border-color: var(--brand-2); box-shadow: 0 0 0 3px rgba(91,134,255,.18); background: #fff; }
.form-ok { display: none; background: var(--accent-soft); color: #07614f; border-radius: 12px; padding: 16px; font-size: 14px; text-align: center; font-weight: 600; }
.form-ok.show { display: block; }

/* ---------- Footer ---------- */
.footer { background: #070b18; color: #8c98ba; padding: 56px 0 30px; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer .brand { color: #fff; margin-bottom: 12px; }
.footer p { margin: 0 0 6px; max-width: 320px; line-height: 1.7; }
.footer h5 { color: #fff; font-size: 14px; margin: 0 0 14px; font-weight: 700; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { padding: 5px 0; }
.footer ul a:hover { color: #fff; }
.footer-bottom { padding-top: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: #6b7799; }
.disclaimer { margin-top: 16px; font-size: 12px; color: #5a6688; line-height: 1.7; max-width: 880px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .pain-grid, .features-grid, .aud-grid, .market-grid, .price-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .cta-grid, .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .diff-row { grid-template-columns: 1.2fr 1fr 1fr 1fr; }
  .diff-row > div { padding: 14px 12px; font-size: 13px; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links { display: flex; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 24px 18px; box-shadow: var(--shadow-md); }
  .nav.open .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--surface-2); }
  .pain-grid, .features-grid, .aud-grid, .market-grid, .price-grid, .steps { grid-template-columns: 1fr; }
  .hero-trust { gap: 18px; }
  .diff-table { overflow-x: auto; }
  .diff-row { min-width: 560px; }
  .footer-bottom { flex-direction: column; }
}