/* =========================================================
   蚁界出海 · 外贸销售策略教学系统
   设计基调：暖米色 + 橙金 / 手册式章节排版
   ========================================================= */

:root {
  --bg: #faf6f1;
  --bg-deep: #f4eee6;
  --surface: #ffffff;
  --surface-2: #fdf8f2;

  --ink: #1c1917;
  --ink-2: #3f3a35;
  --muted: #78716c;
  --faint: #a8a29e;

  --line: #efe8df;
  --line-2: #e3d9cc;

  --orange: #e98a15;
  --orange-600: #d97706;
  --orange-700: #b45309;
  --orange-50: #fdf4e7;
  --orange-100: #fae9cf;

  --green: #15803d;
  --green-600: #16a34a;
  --green-50: #f0fdf4;
  --red: #dc2626;
  --red-50: #fef2f2;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(60, 40, 20, .05), 0 4px 14px rgba(60, 40, 20, .05);
  --shadow: 0 2px 8px rgba(60, 40, 20, .06), 0 18px 44px rgba(60, 40, 20, .09);
  --shadow-lg: 0 28px 80px rgba(60, 40, 20, .18);

  --nav-h: 70px;
  --max: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); background: var(--bg); color: var(--ink-2);
  -webkit-font-smoothing: antialiased; line-height: 1.75; font-size: 15px;
}
h1, h2, h3, h4 { color: var(--ink); margin: 0; line-height: 1.28; letter-spacing: -.015em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
svg { display: block; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 26px; }

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 60; height: var(--nav-h);
  background: rgba(250, 246, 241, .88); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 900; font-size: 16.5px; color: var(--ink); flex: none; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; flex: none;
  background: linear-gradient(135deg, var(--orange), var(--orange-700)); color: #fff;
}
.brand-mark svg { width: 18px; height: 18px; }
.brand small { display: block; font-size: 10.5px; font-weight: 700; color: var(--orange-600); letter-spacing: .1em; margin-top: -3px; }

.nav-links { display: flex; gap: 4px; align-items: center; overflow-x: auto; scrollbar-width: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links button {
  border: 0; background: none; cursor: pointer; white-space: nowrap;
  padding: 9px 16px; border-radius: 999px; font-size: 14.5px; font-weight: 800; color: var(--muted);
  transition: .18s;
}
.nav-links button:hover { color: var(--ink); background: var(--bg-deep); }
.nav-links button.on { background: var(--orange); color: #fff; box-shadow: 0 4px 14px rgba(233, 138, 21, .35); }

/* ---------- PAGE ---------- */
.page { display: none; padding: 60px 0 80px; animation: pageIn .42s cubic-bezier(.2, .8, .3, 1); }
.page.on { display: block; }
@keyframes pageIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- CHAPTER HEAD ---------- */
.chap { display: flex; align-items: flex-start; gap: 22px; margin-bottom: 38px; }
.chap-num {
  font-size: 68px; font-weight: 900; line-height: .9; letter-spacing: -.04em; flex: none;
  color: transparent; -webkit-text-stroke: 1.8px var(--orange); margin-top: 2px;
}
.chap-body { flex: 1; padding-top: 4px; }
.chap-tag { font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--orange-600); margin-bottom: 8px; }
.chap h2 { font-size: clamp(25px, 3.4vw, 38px); font-weight: 900; }
.chap-lead { margin-top: 14px; font-size: 16px; color: var(--muted); max-width: 720px; }

/* ---------- HERO (home) ---------- */
.hero-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-xl);
  box-shadow: var(--shadow); padding: 62px 48px 46px; text-align: center; position: relative; overflow: hidden;
}
.hero-card::before {
  content: ""; position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
  width: 560px; height: 260px; background: radial-gradient(ellipse at center, rgba(233, 138, 21, .14), transparent 70%);
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 800;
  color: var(--orange-700); background: var(--orange-50); border: 1px solid var(--orange-100);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 26px; position: relative;
}
.hero-eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.hero-card h1 { font-size: clamp(30px, 5vw, 54px); font-weight: 900; letter-spacing: -.035em; position: relative; }
.hero-card h1 .hl { position: relative; display: inline-block; }
.hero-card h1 .hl::after {
  content: ""; position: absolute; left: -2px; right: -2px; bottom: 6px; height: 12px;
  background: var(--orange-100); border-radius: 4px; z-index: -1;
}
.hero-card h1 .hl { color: var(--orange-700); }
.hero-lead { max-width: 700px; margin: 24px auto 0; font-size: 16px; color: var(--muted); position: relative; }
.hero-lead b { color: var(--ink); }

.vs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 42px; text-align: left; position: relative; }
.vs-card { border-radius: var(--radius); padding: 22px 24px; border: 1px solid var(--line-2); }
.vs-card.bad { background: var(--orange-50); border-color: var(--orange-100); }
.vs-card.good { background: #fff; }
.vs-card .vt { display: flex; align-items: center; gap: 9px; font-size: 15.5px; font-weight: 900; margin-bottom: 10px; }
.vs-card.bad .vt { color: var(--red); }
.vs-card.good .vt { color: var(--green); }
.vs-card .vx { font-size: 16px; line-height: 1; }
.vs-card p { font-size: 14px; color: var(--ink-2); }
.hero-cta {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 40px; padding: 15px 34px;
  border: 0; border-radius: 999px; cursor: pointer; position: relative;
  background: linear-gradient(135deg, var(--orange), var(--orange-700)); color: #fff;
  font-size: 16px; font-weight: 900; box-shadow: 0 12px 32px rgba(233, 138, 21, .38); transition: .2s;
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 18px 42px rgba(233, 138, 21, .46); }
.hero-cta svg { width: 17px; height: 17px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; text-align: center; box-shadow: var(--shadow-sm); }
.stat .sv { font-size: 30px; font-weight: 900; color: var(--orange-700); line-height: 1.2; letter-spacing: -.03em; }
.stat .sl { font-size: 13px; color: var(--muted); font-weight: 700; margin-top: 4px; }

/* ---------- PATH ---------- */
.path { margin-top: 60px; }
.path-title { font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: 18px; }
.path-list { display: grid; gap: 12px; }
.path-item {
  display: flex; align-items: center; gap: 18px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 24px; cursor: pointer; transition: .2s; box-shadow: var(--shadow-sm);
}
.path-item:hover { transform: translateX(5px); border-color: var(--orange-100); box-shadow: var(--shadow); }
.path-item .pi-n { font-size: 15px; font-weight: 900; color: var(--orange); width: 30px; flex: none; letter-spacing: .02em; }
.path-item .pi-t { font-size: 16.5px; font-weight: 900; color: var(--ink); flex: none; }
.path-item .pi-d { font-size: 13.5px; color: var(--muted); flex: 1; }
.path-item .pi-a { width: 18px; height: 18px; stroke: var(--orange); flex: none; }

/* ---------- GENERIC BLOCKS ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 28px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.block-title { font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin: 44px 0 16px; }
.block-title:first-child { margin-top: 0; }

/* ---------- PERSONA ---------- */
.persona-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 22px; }
.pt {
  border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 18px 18px 16px;
  cursor: pointer; transition: .2s; text-align: left; box-shadow: var(--shadow-sm);
}
.pt:hover { border-color: var(--orange-100); transform: translateY(-3px); }
.pt.on { border-color: var(--orange); background: var(--orange-50); box-shadow: 0 8px 24px rgba(233, 138, 21, .18); }
.pt .pt-ico { width: 36px; height: 36px; border-radius: 11px; background: var(--orange-100); color: var(--orange-700); display: grid; place-items: center; margin-bottom: 12px; }
.pt.on .pt-ico { background: var(--orange); color: #fff; }
.pt .pt-ico svg { width: 19px; height: 19px; }
.pt .pt-n { font-size: 15.5px; font-weight: 900; color: var(--ink); }
.pt .pt-r { font-size: 12.5px; color: var(--muted); margin-top: 3px; font-weight: 600; }

.persona-detail { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.pd-main { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); }
.pd-head { display: flex; align-items: center; gap: 15px; padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.pd-avatar { width: 52px; height: 52px; border-radius: 15px; background: linear-gradient(135deg, var(--orange), var(--orange-700)); color: #fff; display: grid; place-items: center; font-size: 20px; font-weight: 900; flex: none; }
.pd-head h3 { font-size: 21px; font-weight: 900; }
.pd-head .pd-sub { font-size: 13px; color: var(--muted); font-weight: 700; margin-top: 2px; }

.pd-row { margin-bottom: 20px; }
.pd-row .pk { font-size: 12.5px; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 9px; display: flex; align-items: center; gap: 7px; }
.pd-row .pk.fear { color: var(--red); }
.pd-row .pk.want { color: var(--green); }
.pd-row .pk.talk { color: var(--orange-700); }
.pd-row .pk svg { width: 14px; height: 14px; }
.pd-row .pv { font-size: 14.5px; color: var(--ink-2); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list span { font-size: 13px; font-weight: 700; background: var(--surface-2); border: 1px solid var(--line-2); border-radius: 8px; padding: 5px 11px; color: var(--ink-2); }
.tag-list.danger span { background: var(--red-50); border-color: #fbd5d5; color: #b91c1c; }
.tag-list.ok span { background: var(--green-50); border-color: #c3ecd0; color: #15803d; }

.quote-box { background: var(--orange-50); border-left: 3px solid var(--orange); border-radius: 0 12px 12px 0; padding: 16px 18px; }
.quote-box .qb-l { font-size: 12px; font-weight: 900; color: var(--orange-700); letter-spacing: .05em; margin-bottom: 7px; }
.quote-box .qb-t { font-size: 14.5px; color: var(--ink); font-weight: 600; }

.pd-side { display: grid; gap: 16px; align-content: start; }
.side-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow-sm); }
.side-card .sc-t { font-size: 13px; font-weight: 900; color: var(--ink); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.side-card .sc-t svg { width: 15px; height: 15px; stroke: var(--orange); }
.side-card li { font-size: 13.5px; color: var(--ink-2); padding: 5px 0; display: flex; gap: 9px; }
.side-card li .li-n { font-size: 11.5px; font-weight: 900; color: var(--orange); flex: none; width: 16px; }

/* ---------- QUIZ ---------- */
.quiz { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); }
.q-item { margin-bottom: 20px; }
.q-item .q-t { font-size: 15px; font-weight: 800; color: var(--ink); margin-bottom: 11px; }
.q-opts { display: flex; flex-wrap: wrap; gap: 9px; }
.q-opts button {
  border: 1px solid var(--line-2); background: var(--surface-2); border-radius: 10px; padding: 9px 15px;
  font-size: 13.5px; font-weight: 700; color: var(--ink-2); cursor: pointer; transition: .16s;
}
.q-opts button:hover { border-color: var(--orange); color: var(--orange-700); }
.q-opts button.sel { background: var(--orange); border-color: var(--orange); color: #fff; }
.q-result { margin-top: 6px; padding: 20px 22px; border-radius: var(--radius); background: var(--orange-50); border: 1px solid var(--orange-100); display: none; }
.q-result.show { display: block; animation: pageIn .3s ease; }
.q-result .qr-l { font-size: 12px; font-weight: 900; letter-spacing: .08em; color: var(--orange-700); text-transform: uppercase; }
.q-result .qr-t { font-size: 20px; font-weight: 900; color: var(--ink); margin: 6px 0 8px; }
.q-result .qr-d { font-size: 14px; color: var(--ink-2); }
.q-result .qr-btn { margin-top: 14px; border: 1px solid var(--orange); background: #fff; color: var(--orange-700); border-radius: 999px; padding: 8px 18px; font-size: 13.5px; font-weight: 800; cursor: pointer; }
.q-result .qr-btn:hover { background: var(--orange); color: #fff; }

/* ---------- SCRIPT ---------- */
.sc-tabs { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 24px; }
.sc-tab {
  border: 1px solid var(--line-2); background: var(--surface); border-radius: 999px; padding: 10px 20px;
  font-size: 14px; font-weight: 800; color: var(--muted); cursor: pointer; transition: .18s;
}
.sc-tab:hover { border-color: var(--orange); color: var(--orange-700); }
.sc-tab.on { background: var(--ink); border-color: var(--ink); color: #fff; }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cmp { border-radius: var(--radius-lg); padding: 26px; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.cmp.bad { background: var(--surface-2); border-color: var(--line-2); }
.cmp.good { background: #fff; border-color: var(--orange-100); box-shadow: var(--shadow); }
.cmp-head { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 900; margin-bottom: 16px; }
.cmp.bad .cmp-head { color: var(--red); }
.cmp.good .cmp-head { color: var(--green); }
.cmp-head .badge { font-size: 11px; font-weight: 900; padding: 3px 10px; border-radius: 999px; }
.cmp.bad .badge { background: var(--red-50); color: var(--red); }
.cmp.good .badge { background: var(--green-50); color: var(--green); }
.cmp-text { font-size: 14.5px; color: var(--ink-2); line-height: 1.95; }
.cmp-text em { font-style: normal; background: var(--orange-100); border-radius: 4px; padding: 1px 4px; font-weight: 700; color: var(--orange-700); }
.cmp.bad .cmp-text em { background: #fee2e2; color: #b91c1c; }

.why { margin-top: 22px; }
.why-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.why-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-sm); }
.why-item .wi-n { font-size: 12px; font-weight: 900; color: var(--orange); letter-spacing: .08em; margin-bottom: 8px; }
.why-item .wi-t { font-size: 14.5px; font-weight: 800; color: var(--ink); margin-bottom: 6px; }
.why-item .wi-d { font-size: 13px; color: var(--muted); }

/* ---------- 话术体检器 ---------- */
.checker { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); }
.checker textarea {
  width: 100%; min-height: 110px; resize: vertical; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  padding: 14px 16px; font-size: 14.5px; color: var(--ink); line-height: 1.8; background: var(--surface-2); transition: .16s;
}
.checker textarea:focus { outline: none; border-color: var(--orange); background: #fff; box-shadow: 0 0 0 3px var(--orange-50); }
.checker .ck-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 14px; flex-wrap: wrap; }
.ck-score { display: flex; align-items: baseline; gap: 8px; }
.ck-score .n { font-size: 34px; font-weight: 900; color: var(--orange-700); line-height: 1; letter-spacing: -.03em; }
.ck-score .u { font-size: 13px; font-weight: 800; color: var(--faint); }
.ck-btn { border: 0; border-radius: 999px; padding: 12px 26px; background: var(--ink); color: #fff; font-size: 14.5px; font-weight: 800; cursor: pointer; transition: .18s; }
.ck-btn:hover { background: var(--orange-700); }
.ck-list { margin-top: 20px; display: grid; gap: 10px; }
.ck-item { display: flex; align-items: flex-start; gap: 12px; padding: 13px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--surface-2); }
.ck-item.ok { border-color: #c3ecd0; background: var(--green-50); }
.ck-item.no { border-color: #fbd5d5; background: var(--red-50); }
.ck-ico { width: 20px; height: 20px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: 12px; font-weight: 900; color: #fff; margin-top: 2px; }
.ck-item.ok .ck-ico { background: var(--green-600); }
.ck-item.no .ck-ico { background: var(--red); }
.ck-item .ct { font-size: 14px; font-weight: 800; color: var(--ink); }
.ck-item .cd { font-size: 13px; color: var(--muted); margin-top: 2px; }
.ck-bar { display: flex; gap: 0; height: 8px; border-radius: 999px; overflow: hidden; background: var(--line); margin-top: 20px; }
.ck-bar i { transition: width .5s cubic-bezier(.2, .8, .3, 1); }

/* ---------- FABE ---------- */
.fabe-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.fabe-step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; position: relative; box-shadow: var(--shadow-sm); }
.fabe-step .fs-k { font-size: 26px; font-weight: 900; color: var(--orange); letter-spacing: -.02em; line-height: 1; }
.fabe-step .fs-n { font-size: 14.5px; font-weight: 900; color: var(--ink); margin: 8px 0 4px; }
.fabe-step .fs-e { font-size: 11.5px; font-weight: 700; color: var(--faint); letter-spacing: .06em; text-transform: uppercase; }
.fabe-step .fs-d { font-size: 13px; color: var(--muted); margin-top: 10px; }

.preset-row { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 18px; }
.preset {
  border: 1px solid var(--line-2); background: var(--surface); border-radius: 999px; padding: 8px 17px;
  font-size: 13.5px; font-weight: 800; color: var(--muted); cursor: pointer; transition: .16s;
}
.preset:hover { border-color: var(--orange); color: var(--orange-700); }
.preset.on { background: var(--orange-50); border-color: var(--orange); color: var(--orange-700); }

.fabe-builder { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.fabe-form { display: grid; gap: 14px; }
.fld label { display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 900; color: var(--muted); letter-spacing: .05em; text-transform: uppercase; margin-bottom: 7px; }
.fld label b { color: var(--orange); font-size: 14px; }
.fld input, .fld textarea {
  width: 100%; border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 11px 14px;
  font-size: 14px; color: var(--ink); background: var(--surface-2); line-height: 1.7; transition: .16s;
}
.fld textarea { min-height: 66px; resize: vertical; }
.fld input:focus, .fld textarea:focus { outline: none; border-color: var(--orange); background: #fff; box-shadow: 0 0 0 3px var(--orange-50); }

.fabe-out { background: linear-gradient(160deg, #2a2320, #17130f); border-radius: var(--radius-lg); padding: 28px; color: #f0e6da; position: sticky; top: 92px; }
.fabe-out .fo-t { font-size: 12px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; color: var(--orange); margin-bottom: 16px; }
.fabe-out .fo-line { margin-bottom: 14px; }
.fabe-out .fo-k { font-size: 11.5px; font-weight: 900; color: #a89a8a; letter-spacing: .08em; margin-bottom: 3px; }
.fabe-out .fo-v { font-size: 14.5px; color: #fff; line-height: 1.75; }
.fabe-out .fo-v.empty { color: #6b5f55; font-style: italic; }
.fabe-out .fo-score { margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .12); }
.fo-checks { display: grid; gap: 8px; }
.fo-check { display: flex; align-items: center; gap: 9px; font-size: 13px; color: #cbbdae; }
.fo-check .dot2 { width: 16px; height: 16px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: 10px; font-weight: 900; background: #3a322c; color: #8a7d70; }
.fo-check.ok .dot2 { background: var(--green-600); color: #fff; }
.fo-check.ok { color: #e8f5ec; }

.err-list { display: grid; gap: 12px; }
.err-item { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--red); border-radius: 0 var(--radius) var(--radius) 0; padding: 18px 22px; box-shadow: var(--shadow-sm); }
.err-item .et { font-size: 14.5px; font-weight: 900; color: var(--ink); margin-bottom: 6px; }
.err-item .ed { font-size: 13.5px; color: var(--muted); }
.err-item .ed b { color: var(--orange-700); }

/* ---------- QUOTE ---------- */
.ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ladder-card { border-radius: var(--radius-lg); padding: 26px 24px; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-sm); position: relative; overflow: hidden; }
.ladder-card .lc-badge { position: absolute; top: 0; right: 0; font-size: 11px; font-weight: 900; padding: 5px 13px; border-radius: 0 0 0 12px; }
.ladder-card.a { border-top: 4px solid var(--orange); }
.ladder-card.a .lc-badge { background: var(--orange-50); color: var(--orange-700); }
.ladder-card.b { border-top: 4px solid var(--ink); }
.ladder-card.b .lc-badge { background: #f5f5f4; color: var(--ink); }
.ladder-card.c { border-top: 4px solid var(--muted); }
.ladder-card.c .lc-badge { background: #f5f5f4; color: var(--muted); }
.ladder-card h4 { font-size: 17px; font-weight: 900; margin-bottom: 5px; }
.ladder-card .lc-sub { font-size: 12.5px; color: var(--muted); font-weight: 700; margin-bottom: 14px; }
.ladder-card ul li { font-size: 13.5px; color: var(--ink-2); padding: 5px 0 5px 18px; position: relative; }
.ladder-card ul li::before { content: ""; position: absolute; left: 4px; top: 13px; width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }

.calc-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 20px; align-items: start; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-inp { position: relative; }
.field-inp input { width: 100%; border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 12px 15px; font-size: 15px; font-weight: 700; color: var(--ink); background: var(--surface-2); transition: .16s; }
.field-inp input:focus { outline: none; border-color: var(--orange); background: #fff; box-shadow: 0 0 0 3px var(--orange-50); }
.field-inp .u { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); font-size: 12.5px; font-weight: 800; color: var(--faint); }

.rounds { display: grid; gap: 10px; margin-top: 8px; }
.round {
  display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 1px solid var(--line); transition: .3s;
}
.round:last-child { background: var(--orange-50); border-color: var(--orange-100); }
.round .r-n { font-size: 12px; font-weight: 900; color: var(--orange-700); width: 52px; flex: none; letter-spacing: .04em; }
.round .r-p { font-size: 19px; font-weight: 900; color: var(--ink); font-variant-numeric: tabular-nums; flex: none; width: 104px; }
.round .r-c { font-size: 12.5px; color: var(--muted); flex: 1; }
.round .r-bar { height: 6px; border-radius: 999px; background: var(--orange); opacity: .75; flex: none; }
.round:last-child .r-c { color: var(--orange-700); font-weight: 800; }

.chips-box { display: flex; flex-wrap: wrap; gap: 9px; }
.chip-t {
  display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-2); background: var(--surface);
  border-radius: 999px; padding: 9px 16px; font-size: 13.5px; font-weight: 700; color: var(--ink-2); cursor: pointer; transition: .16s;
}
.chip-t:hover { border-color: var(--orange); }
.chip-t.on { background: var(--green-50); border-color: #c3ecd0; color: var(--green); }
.chip-t .cbx { width: 17px; height: 17px; border-radius: 50%; border: 1.5px solid var(--line-2); display: grid; place-items: center; font-size: 10px; color: transparent; flex: none; }
.chip-t.on .cbx { background: var(--green-600); border-color: var(--green-600); color: #fff; }

.tips { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.tip { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow-sm); }
.tip .tp-n { font-size: 12px; font-weight: 900; color: var(--orange); letter-spacing: .08em; margin-bottom: 8px; }
.tip .tp-t { font-size: 15px; font-weight: 900; color: var(--ink); margin-bottom: 7px; }
.tip .tp-d { font-size: 13.5px; color: var(--muted); }

/* ---------- PAGER ---------- */
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 30px; border-top: 1px solid var(--line); }
.pager button {
  border: 1px solid var(--line-2); background: var(--surface); border-radius: var(--radius); padding: 16px 24px;
  cursor: pointer; text-align: left; transition: .2s; min-width: 200px; box-shadow: var(--shadow-sm);
}
.pager button:hover { border-color: var(--orange); transform: translateY(-3px); box-shadow: var(--shadow); }
.pager button .pg-l { font-size: 12px; font-weight: 800; color: var(--faint); letter-spacing: .06em; text-transform: uppercase; }
.pager button .pg-t { font-size: 15.5px; font-weight: 900; color: var(--ink); margin-top: 3px; }
.pager .spacer { flex: 1; }

/* ---------- FOOTER ---------- */
.footer { background: #17130f; color: #9c9086; padding: 44px 0 30px; }
.footer-top { display: flex; justify-content: space-between; gap: 36px; flex-wrap: wrap; padding-bottom: 26px; border-bottom: 1px solid rgba(255, 255, 255, .09); }
.footer .brand { color: #fff; }
.footer .brand small { color: var(--orange); }
.footer-desc { max-width: 360px; font-size: 13.5px; line-height: 1.9; margin-top: 14px; }
.footer-cols { display: flex; gap: 54px; flex-wrap: wrap; }
.footer-col h5 { color: #fff; font-size: 12.5px; font-weight: 900; margin: 0 0 13px; letter-spacing: .06em; }
.footer-col button { display: block; background: none; border: 0; padding: 5px 0; font-size: 13.5px; color: #9c9086; cursor: pointer; transition: .16s; text-align: left; }
.footer-col button:hover { color: var(--orange); }
.footer-bottom { padding-top: 20px; font-size: 12.5px; color: #6d625a; text-align: center; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px) {
  .persona-detail { grid-template-columns: 1fr; }
  .fabe-builder { grid-template-columns: 1fr; }
  .fabe-out { position: static; }
  .calc-grid { grid-template-columns: 1fr; }
  .persona-tabs { grid-template-columns: repeat(2, 1fr); }
  .fabe-flow { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .why-list { grid-template-columns: 1fr; }
  .ladder { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-inner { gap: 12px; }
  .brand span:not(.brand-mark) { display: none; }
  .brand::after { content: "蚁界出海"; font-size: 15px; font-weight: 900; }
  .nav-links button { padding: 8px 13px; font-size: 13.5px; }
  .page { padding: 40px 0 60px; }
  .hero-card { padding: 40px 24px 34px; }
  .vs { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .chap { flex-direction: column; gap: 12px; }
  .chap-num { font-size: 48px; }
  .stats { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .tips { grid-template-columns: 1fr; }
  .path-item { flex-wrap: wrap; gap: 8px 14px; }
  .path-item .pi-d { flex-basis: 100%; }
  .round { flex-wrap: wrap; }
  .round .r-c { flex-basis: 100%; }
  .pager { flex-direction: column; }
  .pager button { min-width: 0; width: 100%; }
  .pager .spacer { display: none; }
  .wrap { padding: 0 18px; }
  .card, .persona-detail .pd-main, .quiz, .checker { padding: 22px; }
  .persona-tabs { grid-template-columns: 1fr 1fr; }
  .fabe-flow { grid-template-columns: 1fr; }
}