/* ============================================================
   空乘PLUS · kongcheng.net 官网样式
   品牌：航空蓝 #0F5FBF · 深 #0B3D7A · 浅底 #F7F9FC
   ============================================================ */

:root {
  --accent: #0f5fbf;
  --accent-deep: #0b3d7a;
  --accent-bright: #2a7de1;
  --accent-soft: #e8f1fc;
  --accent-fade: #f2f7fd;
  --ink: #1a2233;
  --ink-2: #4a5568;
  --ink-3: #8892a6;
  --line: #e3e8f0;
  --bg: #f7f9fc;
  --card: #ffffff;
  --green: #1e7f4f;
  --green-soft: #e9f7ef;
  --amber: #b26a00;
  --amber-soft: #fdf3e3;
  --shadow-sm: 0 1px 2px rgba(15, 40, 80, 0.05), 0 2px 8px rgba(15, 40, 80, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 40, 80, 0.07), 0 12px 32px rgba(15, 40, 80, 0.08);
  --shadow-lg: 0 8px 24px rgba(11, 61, 122, 0.12), 0 24px 64px rgba(11, 61, 122, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent); color: #fff; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); transition-delay: var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15.5px; font-weight: 600; letter-spacing: .02em;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-bright) 100%); color: #fff; box-shadow: 0 6px 18px rgba(15, 95, 191, .32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(15, 95, 191, .4); }
.btn-ghost { background: rgba(255,255,255,.85); color: var(--accent-deep); border-color: #c8d8ee; backdrop-filter: blur(6px); }
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-lg { padding: 16px 34px; font-size: 16.5px; }
.btn svg { width: 17px; height: 17px; flex: none; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(247, 249, 252, .78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 2px 16px rgba(15, 40, 80, .05); background: rgba(255,255,255,.88); }
.nav-inner { max-width: 1180px; margin: 0 auto; padding: 0 28px; height: 68px; display: flex; align-items: center; gap: 30px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 19px; letter-spacing: .01em; flex: none; }
.logo svg { width: 32px; height: 32px; }
.logo b { color: var(--accent); }
.logo small { font-size: 11px; font-weight: 500; color: var(--ink-3); letter-spacing: .12em; display: block; line-height: 1; margin-top: 3px; }
.logo-text { line-height: 1.15; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { color: var(--ink-2); font-size: 14.5px; font-weight: 500; padding: 8px 14px; border-radius: 999px; transition: color .15s, background .15s; }
.nav-links a:hover { color: var(--accent); background: var(--accent-soft); }
.nav-cta { flex: none; }
.nav-cta .btn { padding: 10px 20px; font-size: 14px; }
.nav-burger { display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: #fff; align-items: center; justify-content: center; }
.nav-burger svg { width: 20px; height: 20px; stroke: var(--ink); }

/* 移动端菜单 */
.mobile-menu {
  display: none; position: fixed; top: 68px; left: 0; right: 0; z-index: 99;
  background: rgba(255,255,255,.97); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line); padding: 14px 24px 22px;
  box-shadow: 0 16px 32px rgba(15,40,80,.08);
}
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 13px 10px; color: var(--ink); font-weight: 600; font-size: 16px; border-bottom: 1px solid var(--bg); }
.mobile-menu a:last-of-type { border-bottom: none; }
.mobile-menu .btn { width: 100%; margin-top: 12px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: 150px 0 90px; overflow: hidden;
  background:
    radial-gradient(1100px 520px at 85% -10%, #dceafe 0%, transparent 60%),
    radial-gradient(900px 480px at -10% 30%, #e8f1fc 0%, transparent 55%),
    var(--bg);
}
/* 航线虚线母题 */
.flightpath { position: absolute; pointer-events: none; opacity: .55; }
.flightpath svg { display: block; }
.fp-1 { top: 90px; right: -60px; width: 560px; }
.fp-2 { bottom: 40px; left: -80px; width: 460px; opacity: .4; }

.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid #d3e3f8; color: var(--accent-deep);
  font-size: 13px; font-weight: 600; padding: 7px 16px; border-radius: 999px;
  box-shadow: var(--shadow-sm); margin-bottom: 22px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(30,127,79,.35); } 50% { box-shadow: 0 0 0 6px rgba(30,127,79,0); } }

.hero h1 {
  font-size: clamp(2.35rem, 4.6vw, 3.55rem); font-weight: 800; line-height: 1.22;
  letter-spacing: -0.015em; margin-bottom: 20px;
}
.hero h1 .accent-line { color: var(--accent); position: relative; white-space: nowrap; }
.hero h1 .accent-line::after {
  content: ""; position: absolute; left: 2%; right: 2%; bottom: .06em; height: .32em;
  background: linear-gradient(90deg, rgba(42,125,225,.16), rgba(42,125,225,.05));
  border-radius: 6px; z-index: -1;
}
.hero .lede { font-size: 17.5px; color: var(--ink-2); max-width: 33em; margin-bottom: 30px; }
.hero .lede strong { color: var(--ink); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.hero-note { font-size: 13px; color: var(--ink-3); display: flex; align-items: center; gap: 7px; }
.hero-note svg { width: 15px; height: 15px; stroke: var(--ink-3); }

.hero-visual { position: relative; }
.hero-photo {
  border-radius: 26px; overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.6); position: relative;
}
.hero-photo img { width: 100%; height: auto; transform: scale(1.0); transition: transform 8s ease; }
.hero-visual:hover .hero-photo img { transform: scale(1.04); }
/* 悬浮评分卡 */
.float-card {
  position: absolute; background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.7); border-radius: 16px; box-shadow: var(--shadow-md);
  padding: 13px 17px; display: flex; align-items: center; gap: 11px;
  animation: floaty 5.5s ease-in-out infinite;
}
.float-card .ic { width: 38px; height: 38px; border-radius: 11px; display: flex; align-items: center; justify-content: center; flex: none; }
.float-card .ic svg { width: 20px; height: 20px; }
.float-card .tt { font-size: 12.5px; color: var(--ink-3); line-height: 1.3; }
.float-card .vv { font-size: 15.5px; font-weight: 700; line-height: 1.35; }
.fc-1 { top: 26px; left: -26px; }
.fc-1 .ic { background: var(--accent-soft); } .fc-1 .ic svg { stroke: var(--accent); }
.fc-2 { bottom: 40px; right: -18px; animation-delay: -2.6s; }
.fc-2 .ic { background: var(--green-soft); } .fc-2 .ic svg { stroke: var(--green); }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* Hero 底部数据条 */
.hero-stats {
  margin-top: 62px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  border-top: 1px dashed #c9d7ea; padding-top: 28px;
}
.hstat .n { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 800; color: var(--accent-deep); letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.hstat .n small { font-size: .55em; font-weight: 700; margin-left: 2px; }
.hstat .l { font-size: 13.5px; color: var(--ink-3); margin-top: 2px; }

/* ---------- 通用 Section ---------- */
section.block { padding: 92px 0; }
.section-head { max-width: 640px; margin-bottom: 46px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .18em; color: var(--accent);
  text-transform: uppercase; margin-bottom: 14px;
}
.kicker::before { content: ""; width: 26px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-head.center .kicker::after { content: ""; width: 26px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-head h2 { font-size: clamp(1.65rem, 3vw, 2.3rem); font-weight: 800; line-height: 1.32; letter-spacing: -.01em; }
.section-head p { color: var(--ink-2); margin-top: 12px; font-size: 16px; }

/* ---------- 痛点 ---------- */
.pains { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.pain {
  padding: 34px 34px 30px; border-left: 1px solid var(--line); position: relative;
}
.pain:first-child { border-left: none; }
.pain .no { font-size: 13px; font-weight: 800; color: var(--accent); letter-spacing: .1em; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.pain .no::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.pain h3 { font-size: 19px; font-weight: 700; margin-bottom: 9px; }
.pain p { font-size: 14.8px; color: var(--ink-2); }
.pain .tag { display: inline-block; margin-top: 16px; font-size: 12.5px; font-weight: 600; color: var(--accent-deep); background: var(--accent-fade); border: 1px solid #dbe8f8; border-radius: 999px; padding: 3px 12px; }

/* 转折语 */
.turnline { text-align: center; padding: 54px 0 0; }
.turnline .big {
  font-size: clamp(1.35rem, 2.4vw, 1.7rem); font-weight: 800; line-height: 1.5; letter-spacing: -.01em;
}
.turnline .big em { font-style: normal; color: var(--accent); }
.turnline .sub { color: var(--ink-3); font-size: 14.5px; margin-top: 10px; }

/* ---------- 六大模块（Bento） ---------- */
.mods-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.mod {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; position: relative; overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  display: flex; flex-direction: column;
}
.mod:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cfdff4; }
.mod .mi {
  width: 44px; height: 44px; border-radius: 13px; background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px; flex: none;
}
.mod .mi svg { width: 22px; height: 22px; stroke: var(--accent); }
.mod .mi.green { background: var(--green-soft); } .mod .mi.green svg { stroke: var(--green); }
.mod .mi.amber { background: var(--amber-soft); } .mod .mi.amber svg { stroke: var(--amber); }
.mod h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.mod p { font-size: 14.6px; color: var(--ink-2); flex: 1; }
.mod .pill-free {
  font-size: 11.5px; font-weight: 700; color: var(--green); background: var(--green-soft);
  border-radius: 999px; padding: 2px 10px; letter-spacing: .04em;
}
.mod .pill-main { font-size: 11.5px; font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-bright)); border-radius: 999px; padding: 2px 10px; }
.mod .mod-link { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 5px; }
.mod .mod-link svg { width: 15px; height: 15px; transition: transform .2s; }
.mod:hover .mod-link svg { transform: translateX(3px); }
.mod-photo { border-radius: 14px; overflow: hidden; margin: 4px 0 18px; border: 1px solid var(--line); }
.mod-photo img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/9; }

.m-interview { grid-column: span 7; grid-row: span 2; }
.m-english { grid-column: span 5; }
.m-assess { grid-column: span 5; }
.m-radar { grid-column: span 4; }
.m-coach { grid-column: span 4; }
.m-shift { grid-column: span 4; }
.m-interview .mod-photo img { aspect-ratio: 16/10; }
.m-interview p { max-width: 40em; }

/* ---------- 测评工具 ---------- */
.assess { background: linear-gradient(180deg, var(--accent-deep) 0%, #0d4d94 55%, var(--accent) 100%); color: #fff; position: relative; overflow: hidden; }
.assess .fp-3 { position: absolute; right: -40px; top: 60px; width: 520px; opacity: .3; pointer-events: none; }
.assess .kicker { color: #9cc4f2; }
.assess .kicker::before { background: #9cc4f2; }
.assess .section-head h2 { color: #fff; }
.assess .section-head p { color: rgba(255,255,255,.78); }

.assess-panel {
  background: #fff; color: var(--ink); border-radius: 22px; box-shadow: var(--shadow-lg);
  max-width: 880px; margin: 0 auto; overflow: hidden;
}
.assess-steps { display: flex; border-bottom: 1px solid var(--line); }
.assess-step { flex: 1; text-align: center; padding: 15px 6px; font-size: 13.5px; font-weight: 600; color: var(--ink-3); position: relative; background: var(--bg); }
.assess-step.active { color: var(--accent); background: #fff; }
.assess-step.done { color: var(--green); }
.assess-step .sno { display: inline-flex; width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid currentColor; align-items: center; justify-content: center; font-size: 12px; margin-right: 7px; vertical-align: -5px; }
.assess-body { padding: 36px 44px; }
.assess-q { margin-bottom: 26px; }
.assess-q label.q { display: block; font-weight: 700; font-size: 16px; margin-bottom: 12px; }
.assess-q label.q span { color: var(--ink-3); font-weight: 500; font-size: 13px; margin-left: 8px; }
.seg { display: flex; flex-wrap: wrap; gap: 10px; }
.seg button {
  padding: 10px 20px; border-radius: 12px; border: 1.5px solid var(--line); background: #fff;
  font-size: 14.5px; font-weight: 600; color: var(--ink-2); transition: all .15s;
}
.seg button:hover { border-color: #b9d2ef; }
.seg button.on { border-color: var(--accent); color: var(--accent); background: var(--accent-fade); box-shadow: 0 0 0 3px rgba(15,95,191,.1); }
.assess-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }
.assess-nav .btn { padding: 11px 24px; font-size: 14.5px; }
.assess-nav .btn-back { background: none; border: none; color: var(--ink-3); font-weight: 600; padding: 10px 6px; }
.assess-nav .btn-back:hover { color: var(--ink); }

/* 结果页 */
.result-wrap { padding: 40px 44px 44px; }
.result-top { display: flex; gap: 40px; align-items: center; flex-wrap: wrap; }
.ring-box { position: relative; width: 172px; height: 172px; flex: none; margin: 0 auto; }
.ring-box svg { transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--accent-soft); stroke-width: 13; }
.ring-fg { fill: none; stroke: url(#ringGrad); stroke-width: 13; stroke-linecap: round; transition: stroke-dashoffset 1.2s cubic-bezier(.16,1,.3,1); }
.ring-num { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring-num b { font-size: 42px; font-weight: 800; letter-spacing: -.02em; line-height: 1; color: var(--accent-deep); }
.ring-num span { font-size: 12.5px; color: var(--ink-3); margin-top: 5px; }
.result-side { flex: 1; min-width: 280px; }
.result-side h3 { font-size: 21px; font-weight: 800; margin-bottom: 6px; }
.result-side .verdict { color: var(--ink-2); font-size: 15px; margin-bottom: 20px; }
.bar-row { margin-bottom: 13px; }
.bar-row .bt { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 5px; }
.bar-row .bt b { font-weight: 600; color: var(--ink); }
.bar-row .bt span { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.bar-track { height: 8px; border-radius: 5px; background: var(--accent-soft); overflow: hidden; }
.bar-fill { height: 100%; border-radius: 5px; background: linear-gradient(90deg, var(--accent), var(--accent-bright)); width: 0; transition: width 1s cubic-bezier(.16,1,.3,1) .2s; }
.bar-fill.warn { background: linear-gradient(90deg, #e8a33d, #f0b95c); }
.tips { margin-top: 26px; border-top: 1px dashed var(--line); padding-top: 22px; }
.tips h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.tips h4 svg { width: 18px; height: 18px; stroke: var(--amber); }
.tips ul { list-style: none; }
.tips li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--ink-2); margin-bottom: 8px; }
.tips li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 8px; height: 8px; border-radius: 2px; background: var(--accent-soft); border: 2px solid var(--accent); }
.result-cta { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.result-note { font-size: 12.5px; color: var(--ink-3); margin-top: 18px; line-height: 1.7; }

/* ---------- 会员定价 ---------- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.tier {
  background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 32px 30px;
  display: flex; flex-direction: column; position: relative; transition: transform .25s, box-shadow .25s;
}
.tier:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.tier.hot { border: 2px solid var(--accent); box-shadow: var(--shadow-lg); }
.tier.hot::before {
  content: "最受欢迎"; position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-bright)); color: #fff;
  font-size: 12.5px; font-weight: 700; letter-spacing: .08em; padding: 4px 16px; border-radius: 999px;
  box-shadow: 0 4px 12px rgba(15,95,191,.35);
}
.tier .t-name { font-size: 14px; font-weight: 700; letter-spacing: .1em; color: var(--ink-3); text-transform: uppercase; display: flex; align-items: center; gap: 8px; }
.tier .t-name svg { width: 18px; height: 18px; stroke: var(--ink-3); }
.tier .t-price { font-size: 38px; font-weight: 800; letter-spacing: -.02em; margin: 14px 0 2px; font-variant-numeric: tabular-nums; }
.tier .t-price small { font-size: 15px; font-weight: 600; color: var(--ink-3); letter-spacing: 0; }
.tier .t-sub { font-size: 13px; color: var(--ink-3); margin-bottom: 20px; }
.tier ul { list-style: none; margin-bottom: 26px; flex: 1; }
.tier li { position: relative; padding-left: 26px; font-size: 14.6px; color: var(--ink-2); margin-bottom: 10px; }
.tier li svg { position: absolute; left: 0; top: .34em; width: 16px; height: 16px; stroke: var(--green); }
.tier li.dim { color: var(--ink-3); }
.tier li.dim svg { stroke: var(--ink-3); }
.tier .btn { width: 100%; }
.tier-note { text-align: center; color: var(--ink-3); font-size: 13px; margin-top: 24px; }

/* ---------- 学院版 2B ---------- */
.college { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.college-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.college-photo { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.college-photo img { width: 100%; height: auto; }
.college-photo .cap {
  position: absolute; left: 14px; bottom: 14px; background: rgba(11,61,122,.82); color: #fff;
  backdrop-filter: blur(6px); font-size: 12.5px; padding: 7px 14px; border-radius: 999px;
}
.b-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 26px 0; }
.b-stat { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; }
.b-stat .n { font-size: 24px; font-weight: 800; color: var(--accent-deep); font-variant-numeric: tabular-nums; }
.b-stat .l { font-size: 12.8px; color: var(--ink-2); margin-top: 2px; }
.b-list { list-style: none; margin: 0 0 28px; }
.b-list li { position: relative; padding-left: 30px; font-size: 15px; color: var(--ink-2); margin-bottom: 11px; }
.b-list li b { color: var(--ink); }
.b-list li svg { position: absolute; left: 0; top: .3em; width: 19px; height: 19px; stroke: var(--accent); }
.b-quote { border-left: 3px solid var(--accent); background: var(--accent-fade); border-radius: 0 12px 12px 0; padding: 14px 18px; font-size: 14px; color: var(--ink-2); margin-bottom: 26px; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 760px; margin: 0 auto; }
.faq { border: 1px solid var(--line); border-radius: 16px; background: #fff; margin-bottom: 14px; overflow: hidden; transition: box-shadow .2s, border-color .2s; }
.faq.open { border-color: #c8d8ee; box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%; background: none; border: none; text-align: left; padding: 20px 24px;
  font-size: 16px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 14px;
}
.faq-q .fx { margin-left: auto; width: 26px; height: 26px; border-radius: 50%; background: var(--accent-fade); display: flex; align-items: center; justify-content: center; flex: none; transition: transform .3s, background .2s; }
.faq-q .fx svg { width: 13px; height: 13px; stroke: var(--accent); transition: stroke .2s; }
.faq.open .fx { transform: rotate(45deg); background: var(--accent); }
.faq.open .fx svg { stroke: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.16,1,.3,1); }
.faq-a-in { padding: 0 24px 22px; font-size: 14.8px; color: var(--ink-2); }
.faq-a-in ul { margin: 8px 0 0 20px; }

/* ---------- 尾部 CTA ---------- */
.final {
  position: relative; overflow: hidden; color: #fff; text-align: center;
  background:
    radial-gradient(900px 400px at 80% 0%, rgba(42,125,225,.5) 0%, transparent 55%),
    radial-gradient(700px 380px at 15% 100%, rgba(42,125,225,.4) 0%, transparent 55%),
    linear-gradient(150deg, var(--accent-deep) 0%, var(--accent) 100%);
  padding: 100px 0;
}
.final h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 800; letter-spacing: -.01em; line-height: 1.35; }
.final h2 .plus { color: #9cc8ff; }
.final p { color: rgba(255,255,255,.82); font-size: 16.5px; margin: 16px auto 34px; max-width: 34em; }
.final .btn-white { background: #fff; color: var(--accent-deep); box-shadow: 0 8px 24px rgba(4,20,45,.35); }
.final .btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(4,20,45,.4); }
.final .btn-outline { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.4); color: #fff; }
.final .btn-outline:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }
.final .fp-final { position: absolute; left: 50%; transform: translateX(-50%); bottom: 26px; width: 700px; opacity: .35; pointer-events: none; }

/* ---------- Footer ---------- */
footer { background: #0c1526; color: #93a1b8; padding: 60px 0 34px; font-size: 13.5px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 44px; }
.foot-brand .logo { color: #fff; margin-bottom: 14px; }
.foot-brand .logo small { color: #5d6c85; }
.foot-brand p { line-height: 1.8; max-width: 26em; }
footer h5 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 16px; letter-spacing: .06em; }
footer ul { list-style: none; }
footer li { margin-bottom: 10px; }
footer a { color: #93a1b8; transition: color .15s; }
footer a:hover { color: #cfe2fb; }
.foot-compliance { border-top: 1px solid #1c2942; padding-top: 24px; display: flex; gap: 30px; flex-wrap: wrap; justify-content: space-between; align-items: center; font-size: 12.5px; color: #5d6c85; }
.foot-compliance .badges { display: flex; gap: 8px; flex-wrap: wrap; }
.foot-compliance .badge { border: 1px solid #2a3a58; border-radius: 6px; padding: 3px 10px; font-size: 11.5px; color: #93a1b8; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 80px); z-index: 200;
  background: var(--ink); color: #fff; font-size: 14px; padding: 12px 22px; border-radius: 12px;
  box-shadow: var(--shadow-lg); opacity: 0; transition: transform .35s cubic-bezier(.16,1,.3,1), opacity .35s;
  max-width: 86vw; text-align: center;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- 404 页面 ---------- */
.err-wrap {
  min-height: calc(100dvh - 68px); display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 130px 28px 70px; position: relative; overflow: hidden; text-align: center;
  background:
    radial-gradient(900px 440px at 78% -6%, #dceafe 0%, transparent 58%),
    radial-gradient(760px 420px at 6% 42%, #e8f1fc 0%, transparent 55%),
    var(--bg);
}
.err-code {
  font-size: clamp(5.4rem, 17vw, 11rem); font-weight: 800; line-height: .92; letter-spacing: -.05em;
  background: linear-gradient(150deg, var(--accent-deep) 0%, var(--accent) 52%, #4d9bf0 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums; position: relative; z-index: 1;
}
.err-route { width: min(560px, 92%); margin: -10px auto 6px; display: block; position: relative; z-index: 1; }
.err-route path.dash { stroke-dasharray: 8 11; animation: dashed 24s linear infinite; }
@keyframes dashed { to { stroke-dashoffset: -380; } }
.err-plane { animation: drift 5.5s ease-in-out infinite; }
@keyframes drift { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-7px) rotate(-3deg); } }
.err-wrap h1 { font-size: clamp(1.35rem, 2.9vw, 1.85rem); font-weight: 800; letter-spacing: -.01em; margin: 14px 0 12px; position: relative; z-index: 1; }
.err-wrap .err-sub { color: var(--ink-2); font-size: 16px; max-width: 34em; margin: 0 auto 30px; position: relative; z-index: 1; }
.err-wrap .err-sub code {
  background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px;
  font-size: 13.5px; color: var(--accent-deep); font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  word-break: break-all;
}
.err-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; position: relative; z-index: 1; }

.err-links { margin-top: 54px; width: 100%; max-width: 760px; position: relative; z-index: 1; }
.err-links .el-title { font-size: 12.5px; font-weight: 700; letter-spacing: .18em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 18px; }
.err-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.err-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; text-align: left;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.err-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #cfdff4; }
.err-card .ec-i { width: 34px; height: 34px; border-radius: 10px; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 11px; }
.err-card .ec-i svg { width: 18px; height: 18px; stroke: var(--accent); }
.err-card b { display: block; font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 3px; }
.err-card span { font-size: 13px; color: var(--ink-3); line-height: 1.55; display: block; }

@media (max-width: 760px) {
  .err-wrap { padding: 110px 20px 56px; }
  .err-grid { grid-template-columns: 1fr; }
  .err-actions .btn { width: 100%; }
  .err-links { margin-top: 40px; }
}

/* ---------- 建设中页面（复用 .err-* 骨架） ---------- */
.wip-code {
  font-size: clamp(2.2rem, 6.4vw, 3.7rem); font-weight: 800; line-height: 1.14; letter-spacing: -.02em;
  background: linear-gradient(150deg, var(--accent-deep) 0%, var(--accent) 52%, #4d9bf0 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap;
}
.wip-tag {
  font-size: 12.5px; font-weight: 700; letter-spacing: .14em;
  color: var(--amber); background: var(--amber-soft); border: 1px solid #f0dcbb;
  border-radius: 999px; padding: 5px 16px; -webkit-text-fill-color: var(--amber); text-transform: none;
}

/* 进度条 */
.wip-progress { width: min(560px, 92%); margin: 34px auto 0; position: relative; z-index: 1; }
.wip-track {
  height: 10px; border-radius: 999px; background: #e4ecf7; overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(15,40,80,.07);
}
.wip-fill {
  height: 100%; width: 0; border-radius: 999px; position: relative;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-bright) 100%);
  box-shadow: 0 0 12px rgba(42,125,225,.45);
  transition: width 1.4s cubic-bezier(.16,1,.3,1) .3s;
}
.wip-fill::after {
  content: ""; position: absolute; inset: 0; border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.55), transparent);
  animation: shimmer 2.4s ease-in-out infinite;
}
@keyframes shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
.wip-meta {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  margin-top: 11px; font-size: 13.5px; color: var(--ink-3);
}
.wip-meta b { color: var(--accent-deep); font-size: 17px; font-weight: 800; font-variant-numeric: tabular-nums; }

/* 里程碑 */
.wip-miles { display: flex; align-items: center; gap: 10px; margin: 26px auto 0; flex-wrap: wrap; justify-content: center; position: relative; z-index: 1; }
.wip-mile {
  font-size: 12.8px; font-weight: 600; color: var(--ink-3); background: #fff;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 15px;
  display: inline-flex; align-items: center; gap: 7px;
}
.wip-mile i { width: 7px; height: 7px; border-radius: 50%; background: #cfd9e8; display: block; flex: none; }
.wip-mile.done { color: var(--green); border-color: #cfe9da; background: var(--green-soft); }
.wip-mile.done i { background: var(--green); }
.wip-mile.active { color: var(--accent); border-color: #c3daf5; background: var(--accent-fade); box-shadow: 0 0 0 3px rgba(15,95,191,.08); }
.wip-mile.active i { background: var(--accent); animation: pulse 2.2s infinite; }
.wip-sep { color: #cfd9e8; }

/* 订阅表单 */
.wip-form { width: min(520px, 92%); margin: 38px auto 0; position: relative; z-index: 1; }
.wip-form-label { font-size: 14.5px; color: var(--ink-2); margin-bottom: 13px; font-weight: 600; }
.wip-inputs { display: flex; gap: 10px; }
.wip-inputs input {
  flex: 1; min-width: 0; height: 50px; padding: 0 22px; border-radius: 999px;
  border: 1.5px solid var(--line); background: #fff; font-size: 15px; font-family: inherit;
  color: var(--ink); outline: none; transition: border-color .18s, box-shadow .18s;
}
.wip-inputs input::placeholder { color: var(--ink-3); }
.wip-inputs input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(15,95,191,.1); }
.wip-inputs input.invalid { border-color: #d05a4a; box-shadow: 0 0 0 4px rgba(192,57,43,.09); }
.wip-inputs .btn { height: 50px; padding: 0 26px; flex: none; }
.wip-form-note { font-size: 12.5px; color: var(--ink-3); margin-top: 12px; line-height: 1.7; }

@media (max-width: 760px) {
  .wip-code { gap: 12px; }
  .wip-inputs { flex-direction: column; }
  .wip-inputs input, .wip-inputs .btn { width: 100%; }
  .wip-miles { gap: 7px; }
  .wip-sep { display: none; }
}

/* ---------- Coming Soon（极简全屏，无导航） ---------- */
body.cs-body {
  min-height: 100dvh; display: flex; flex-direction: column; position: relative; overflow-x: hidden;
  background:
    radial-gradient(1100px 560px at 82% -8%, #d8e8fd 0%, transparent 60%),
    radial-gradient(880px 480px at 4% 46%, #e8f1fc 0%, transparent 58%),
    radial-gradient(700px 420px at 92% 96%, #eef5fd 0%, transparent 60%),
    var(--bg);
}
.cs-main {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 64px 28px 48px; position: relative; z-index: 1;
}
.cs-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.cs-bg .cs-fp { position: absolute; }
.cs-fp-a { top: 8%; right: -70px; width: 620px; opacity: .5; }
.cs-fp-b { bottom: 6%; left: -90px; width: 520px; opacity: .38; }
.cs-bg .dash { stroke-dasharray: 8 12; animation: dashed 30s linear infinite; }

.cs-logo { margin-bottom: 40px; }
.cs-logo svg { width: 60px; height: 60px; }
.cs-logo .cl-name { font-size: 21px; font-weight: 800; letter-spacing: .01em; margin-top: 12px; color: var(--ink); }
.cs-logo .cl-name b { color: var(--accent); }
.cs-logo .cl-web { font-size: 11.5px; font-weight: 600; letter-spacing: .2em; color: var(--ink-3); margin-top: 5px; }

.cs-eyebrow {
  display: inline-flex; align-items: center; gap: 9px; font-size: 12.5px; font-weight: 700;
  letter-spacing: .2em; color: var(--accent); text-transform: uppercase; margin-bottom: 18px;
}
.cs-eyebrow::before, .cs-eyebrow::after { content: ""; width: 26px; height: 2px; background: var(--accent); border-radius: 2px; }

.cs-h1 {
  font-size: clamp(2.5rem, 7vw, 4.4rem); font-weight: 800; line-height: 1.1; letter-spacing: -.03em;
  text-transform: uppercase; margin-bottom: 18px;
}
.cs-h1 .grad {
  background: linear-gradient(140deg, var(--accent-deep) 0%, var(--accent) 48%, #4d9bf0 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cs-h1 .thin { font-weight: 300; letter-spacing: .04em; color: var(--ink-2); }
.cs-lead { font-size: 17px; color: var(--ink-2); max-width: 32em; margin: 0 auto 40px; }
.cs-lead strong { color: var(--ink); }

/* 倒计时 */
.cs-count { display: flex; align-items: stretch; justify-content: center; gap: 12px; margin-bottom: 12px; }
.cs-unit {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-md);
  min-width: 104px; padding: 18px 14px 15px; position: relative; overflow: hidden;
}
.cs-unit::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-bright)); }
.cs-unit .u-num {
  font-size: clamp(1.9rem, 4.6vw, 2.7rem); font-weight: 800; line-height: 1.05; letter-spacing: -.03em;
  color: var(--accent-deep); font-variant-numeric: tabular-nums; display: block;
}
.cs-unit .u-lbl { font-size: 11.5px; font-weight: 700; letter-spacing: .16em; color: var(--ink-3); text-transform: uppercase; margin-top: 7px; display: block; }
.cs-count-note { font-size: 13.5px; color: var(--ink-3); margin-bottom: 40px; }
.cs-count-note b { color: var(--ink-2); font-weight: 600; }

/* 订阅 */
.cs-form { width: min(520px, 100%); }
.cs-inputs { display: flex; gap: 10px; }
.cs-inputs input {
  flex: 1; min-width: 0; height: 54px; padding: 0 24px; border-radius: 999px;
  border: 1.5px solid var(--line); background: #fff; font-size: 15px; font-family: inherit;
  color: var(--ink); outline: none; transition: border-color .18s, box-shadow .18s;
}
.cs-inputs input::placeholder { color: var(--ink-3); }
.cs-inputs input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(15,95,191,.1); }
.cs-inputs input.invalid { border-color: #d05a4a; box-shadow: 0 0 0 4px rgba(192,57,43,.09); }
.cs-inputs .btn { height: 54px; padding: 0 30px; flex: none; }
.cs-note { font-size: 12.5px; color: var(--ink-3); margin-top: 13px; line-height: 1.7; }
.cs-done { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 15px; font-weight: 600; color: var(--green); flex-wrap: wrap; }
.cs-done svg { width: 20px; height: 20px; stroke: var(--green); flex: none; }

/* 底部 */
.cs-foot { position: relative; z-index: 1; padding: 0 28px 30px; }
.cs-foot-inner {
  max-width: 1180px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center;
  gap: 22px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-3);
  border-top: 1px solid var(--line); padding-top: 22px;
}
.cs-foot-inner .cs-mail { color: var(--accent); font-weight: 600; }
.cs-foot-inner .badges { display: flex; gap: 8px; flex-wrap: wrap; }
.cs-foot-inner .badge { border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 3px 10px; font-size: 11.5px; color: var(--ink-3); }

@media (max-width: 760px) {
  .cs-main { padding: 48px 20px 34px; }
  .cs-h1 { font-size: clamp(2rem, 12vw, 2.9rem); }
  .cs-count { gap: 8px; }
  .cs-unit { min-width: 0; flex: 1; padding: 14px 6px 12px; border-radius: 14px; }
  .cs-unit .u-lbl { letter-spacing: .1em; font-size: 10.5px; }
  .cs-inputs { flex-direction: column; }
  .cs-inputs input, .cs-inputs .btn { width: 100%; }
  .cs-logo { margin-bottom: 30px; }
  .cs-foot-inner { justify-content: center; text-align: center; }
}

@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 620px; }
  .fc-1 { left: 10px; }
  .fc-2 { right: 10px; }
  .college-grid { grid-template-columns: 1fr; gap: 36px; }
  .m-interview { grid-column: span 12; }
  .m-english, .m-assess { grid-column: span 6; }
  .m-radar, .m-coach, .m-shift { grid-column: span 6; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  section.block { padding: 64px 0; }
  .hero { padding: 122px 0 64px; }
  .hero-stats { grid-template-columns: 1fr; gap: 14px; margin-top: 44px; }
  .pain-grid { grid-template-columns: 1fr; }
  .pain { border-left: none; border-top: 1px solid var(--line); padding: 26px 6px; }
  .pain:first-child { border-top: none; }
  .m-english, .m-assess, .m-radar, .m-coach, .m-shift { grid-column: span 12; }
  .tiers { grid-template-columns: 1fr; }
  .tier.hot { order: -1; }
  .assess-body, .result-wrap { padding: 26px 22px 30px; }
  .assess-steps { flex-wrap: wrap; }
  .assess-step { min-width: 50%; }
  .b-stats { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .float-card { padding: 10px 13px; }
  .float-card .vv { font-size: 13.5px; }
}