/* ==========================================================
   QuantSmith Landing  ·  所有样式都限定在 .ealp 下，不影响主题
   改配色只改下面 :root 里的变量
   ========================================================== */
:root {
  --ealp-bg: #0b1020;
  --ealp-bg-alt: #10172b;
  --ealp-card: #151d35;
  --ealp-line: #24304f;
  --ealp-text: #e7ecf6;
  --ealp-muted: #9aa6c0;
  --ealp-gold: #e2b84f;
  --ealp-gold-2: #f3d27e;
  --ealp-green: #3ecf8e;
  --ealp-red: #ef6461;
  --ealp-radius: 14px;
  --ealp-max: 1160px;
}

/* 语言切换：隐藏另一种语言 */
html:not([data-ealp-lang="zh"]) .ealp .zh,
html[data-ealp-lang="zh"] .ealp .en { display: none !important; }

body.ealp-body { margin: 0; background: var(--ealp-bg); }

.ealp {
  background: var(--ealp-bg);
  color: var(--ealp-text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.ealp *, .ealp *::before, .ealp *::after { box-sizing: border-box; }
.ealp h1, .ealp h2, .ealp h3, .ealp p, .ealp ul, .ealp ol { margin: 0; padding: 0; }
.ealp ul, .ealp ol { list-style: none; }
.ealp a { color: inherit; text-decoration: none; }
.ealp button { font: inherit; color: inherit; cursor: pointer; }
.ealp h1, .ealp h2, .ealp h3 { color: var(--ealp-text); font-weight: 700; letter-spacing: -0.01em; line-height: 1.25; }
.ealp em { font-style: normal; color: var(--ealp-gold); }

.ealp-wrap { max-width: var(--ealp-max); margin: 0 auto; padding: 0 20px; }
.ealp-narrow { max-width: 820px; }
.ealp-muted { color: var(--ealp-muted); }
.ealp-eyebrow { color: var(--ealp-gold); font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px !important; }

/* ---------- 按钮 ---------- */
.ealp-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 24px; border-radius: 10px; font-weight: 600;
  background: linear-gradient(135deg, var(--ealp-gold), var(--ealp-gold-2));
  color: #1a1407 !important; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease;
}
.ealp-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(226,184,79,.25); }
.ealp-btn-ghost { background: transparent; color: var(--ealp-text) !important; border-color: var(--ealp-line); }
.ealp-btn-ghost:hover { border-color: var(--ealp-gold); box-shadow: none; }
.ealp-btn-sm { padding: 8px 16px; font-size: 14px; }

/* ---------- 导航 ---------- */
.ealp-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,16,32,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ealp-line);
}
.ealp-nav-inner { display: flex; align-items: center; gap: 24px; height: 66px; }
.ealp-logo { font-weight: 800; font-size: 19px; white-space: nowrap; }
.ealp-logo-mark { color: var(--ealp-gold); }
.ealp-menu { display: flex; gap: 22px; margin-left: auto; font-size: 15px; color: var(--ealp-muted); }
.ealp-menu a:hover { color: var(--ealp-text); }
.ealp-nav-actions { display: flex; align-items: center; gap: 12px; }
.ealp-lang { display: flex; border: 1px solid var(--ealp-line); border-radius: 8px; overflow: hidden; }
.ealp-lang button { background: none; border: 0; padding: 6px 10px; font-size: 13px; color: var(--ealp-muted); }
html[data-ealp-lang="zh"] .ealp-lang [data-set-lang="zh"],
html:not([data-ealp-lang="zh"]) .ealp-lang [data-set-lang="en"] { background: var(--ealp-gold); color: #1a1407; font-weight: 600; }
.ealp-burger { display: none; background: none; border: 0; padding: 8px; }
.ealp-burger span { display: block; width: 20px; height: 2px; background: var(--ealp-text); margin: 4px 0; }

/* ---------- 首屏 ---------- */
.ealp-hero { padding: 80px 0 40px; background: radial-gradient(900px 400px at 85% 0%, rgba(226,184,79,.12), transparent 60%); }
.ealp-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.ealp-hero h1 { font-size: clamp(32px, 4.6vw, 54px); margin-bottom: 20px; }
.ealp-lead { color: var(--ealp-muted); font-size: 18px; max-width: 600px; }
.ealp-cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.ealp-panel { background: var(--ealp-card); border: 1px solid var(--ealp-line); border-radius: var(--ealp-radius); box-shadow: 0 30px 60px rgba(0,0,0,.35); overflow: hidden; }
.ealp-panel-head { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--ealp-line); font-size: 13px; }
.ealp-panel-head span { width: 10px; height: 10px; border-radius: 50%; background: var(--ealp-line); }
.ealp-panel-head b { margin-left: 8px; font-weight: 500; color: var(--ealp-muted); font-family: ui-monospace, Menlo, Consolas, monospace; }
.ealp-panel-body { padding: 14px 18px 16px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 14px; }
.ealp-row { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed var(--ealp-line); }
.ealp-row span { color: var(--ealp-muted); font-family: inherit; }
.ealp-row b { font-weight: 600; }
.ealp-row .ok { color: var(--ealp-green); }
.ealp-row .off { color: var(--ealp-red); }
.ealp-spark { width: 100%; height: 70px; margin-top: 14px; display: block; }
.ealp-spark .range { fill: rgba(226,184,79,.08); stroke: rgba(226,184,79,.35); stroke-dasharray: 4 4; }
.ealp-spark polyline { fill: none; stroke: var(--ealp-gold); stroke-width: 2; }
.ealp-panel-note { font-size: 12px; color: var(--ealp-muted); margin-top: 6px !important; text-align: right; }

.ealp-trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px; margin-top: 64px !important; padding-top: 28px !important; border-top: 1px solid var(--ealp-line); color: var(--ealp-muted); font-size: 15px; }
.ealp-trust li { display: flex; align-items: center; gap: 8px; }
.ealp-check { color: var(--ealp-green); font-weight: 700; }

/* ---------- 通用区块 ---------- */
.ealp-sec { padding: 90px 0; }
.ealp-sec-alt { background: var(--ealp-bg-alt); }
.ealp-sec-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.ealp-sec-head h2 { font-size: clamp(26px, 3.2vw, 38px); }
.ealp-sec-head .ealp-muted { margin-top: 12px !important; }

.ealp-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ealp-grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.ealp-card { background: var(--ealp-card); border: 1px solid var(--ealp-line); border-radius: var(--ealp-radius); padding: 26px; transition: border-color .2s; }
.ealp-card:hover { border-color: rgba(226,184,79,.5); }
.ealp-icon { width: 46px; height: 46px; border-radius: 10px; display: grid; place-items: center; background: rgba(226,184,79,.12); color: var(--ealp-gold); margin-bottom: 18px; }
.ealp-card h3 { font-size: 19px; margin-bottom: 8px; }
.ealp-card p { color: var(--ealp-muted); font-size: 15px; }

/* ---------- 案例 ---------- */
.ealp-case { background: var(--ealp-card); border: 1px solid var(--ealp-line); border-radius: var(--ealp-radius); padding: 28px; display: flex; flex-direction: column; }
.ealp-tag { align-self: flex-start; font-size: 12px; font-weight: 600; color: var(--ealp-gold); background: rgba(226,184,79,.1); border: 1px solid rgba(226,184,79,.3); padding: 3px 10px; border-radius: 999px; margin-bottom: 14px; }
.ealp-case h3 { font-size: 21px; margin-bottom: 10px; }
.ealp-case > p { color: var(--ealp-muted); font-size: 15px; }
.ealp-case ul { margin: 16px 0 20px !important; display: grid; gap: 6px; font-size: 14px; }
.ealp-case li::before, .ealp-price li::before, .ealp-checklist li::before { content: "▸"; color: var(--ealp-gold); margin-right: 8px; }
.ealp-link { margin-top: auto; color: var(--ealp-gold) !important; font-weight: 600; font-size: 15px; }

/* ---------- 流程 ---------- */
.ealp-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: none; }
.ealp-steps li { position: relative; background: var(--ealp-card); border: 1px solid var(--ealp-line); border-radius: var(--ealp-radius); padding: 22px; }
.ealp-num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--ealp-gold); color: var(--ealp-gold); font-weight: 700; font-size: 14px; margin-bottom: 12px; }
.ealp-steps h3 { font-size: 17px; margin-bottom: 6px; }
.ealp-steps p { color: var(--ealp-muted); font-size: 14px; }

/* ---------- 价格 ---------- */
.ealp-price { position: relative; background: var(--ealp-card); border: 1px solid var(--ealp-line); border-radius: var(--ealp-radius); padding: 30px 26px; display: flex; flex-direction: column; }
.ealp-price.is-hot { border-color: var(--ealp-gold); box-shadow: 0 0 0 1px var(--ealp-gold), 0 20px 50px rgba(226,184,79,.12); }
.ealp-badge { position: absolute; top: -12px; left: 26px; background: var(--ealp-gold); color: #1a1407; font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 999px; }
.ealp-price h3 { font-size: 18px; color: var(--ealp-muted); font-weight: 600; }
.ealp-amount { font-size: 34px; font-weight: 800; margin: 8px 0 10px !important; }
.ealp-price ul { margin: 20px 0 26px !important; display: grid; gap: 8px; font-size: 15px; }
.ealp-price .ealp-btn { margin-top: auto; }
.ealp-note { text-align: center; color: var(--ealp-muted); font-size: 14px; margin-top: 28px !important; }

/* ---------- FAQ ---------- */
.ealp-faq { border-bottom: 1px solid var(--ealp-line); }
.ealp-faq summary { cursor: pointer; list-style: none; padding: 20px 36px 20px 0; font-weight: 600; font-size: 17px; position: relative; }
.ealp-faq summary::-webkit-details-marker { display: none; }
.ealp-faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 24px; color: var(--ealp-gold); transition: transform .2s; }
.ealp-faq[open] summary::after { transform: rotate(45deg); }
.ealp-faq p { color: var(--ealp-muted); padding-bottom: 20px !important; }

/* ---------- 联系 ---------- */
.ealp-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.ealp-contact h2 { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 12px; }
.ealp-checklist { margin-top: 20px !important; display: grid; gap: 8px; }
.ealp-contact-box { background: var(--ealp-card); border: 1px solid var(--ealp-line); border-radius: var(--ealp-radius); padding: 26px; }
.ealp-channels { display: grid; gap: 12px; }
.ealp-channel { display: flex; justify-content: space-between; align-items: center; gap: 12px; width: 100%; text-align: left; background: var(--ealp-bg); border: 1px solid var(--ealp-line); border-radius: 10px; padding: 16px 18px; transition: border-color .2s; }
.ealp-channel:hover { border-color: var(--ealp-gold); }
.ealp-channel span { color: var(--ealp-muted); font-size: 14px; overflow-wrap: anywhere; text-align: right; }
.ealp-copied { font-style: normal; color: var(--ealp-muted); font-size: 12px; }
.ealp-contact-box input, .ealp-contact-box textarea, .ealp-contact-box select { width: 100%; background: var(--ealp-bg); color: var(--ealp-text); border: 1px solid var(--ealp-line); border-radius: 8px; padding: 10px 12px; }

/* ---------- 页脚 ---------- */
.ealp-foot { border-top: 1px solid var(--ealp-line); padding: 36px 0 30px; font-size: 13px; color: var(--ealp-muted); }
.ealp-disclaimer { max-width: 900px; line-height: 1.7; }
.ealp-disclaimer b { color: var(--ealp-text); }
.ealp-foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 22px; }
.ealp-foot-links { display: flex; gap: 18px; }
.ealp-foot-links a:hover { color: var(--ealp-gold); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .ealp-hero-grid, .ealp-contact { grid-template-columns: 1fr; gap: 40px; }
  .ealp-grid3 { grid-template-columns: 1fr 1fr; }
  .ealp-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .ealp-wrap { padding: 0 16px; }
  .ealp-burger { display: block; }
  .ealp-nav-actions .ealp-btn-sm { display: none; }
  .ealp-nav-actions { margin-left: auto; }
  .ealp-menu {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--ealp-bg); border-bottom: 1px solid var(--ealp-line);
  }
  .ealp-menu.is-open { display: flex; }
  .ealp-menu a { padding: 14px 16px; border-top: 1px solid var(--ealp-line); }
  .ealp-hero { padding-top: 48px; }
  .ealp-sec { padding: 64px 0; }
  .ealp-grid3, .ealp-grid2, .ealp-steps { grid-template-columns: 1fr; }
  .ealp-trust { justify-content: flex-start; }
}