:root {
  --brand: #2a6bff;
  --brand-2: #6c38ff;
  --ink: #0e1320;
  --muted: #667085;
  --line: #e6eaf2;
  --bg: #ffffff;
  --dark: #0c1220;
  --dark-soft: #121a2c;
  --radius: 16px;
  --container: 1220px;
  --nav-h: 74px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  padding-top: var(--nav-h);
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; }

.lcw-container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.lcw-main { display: block; }
.lcw-skip { position: absolute; left: -9999px; }
.lcw-skip:focus { left: 12px; top: 12px; z-index: 999; background: #111; color: #fff; padding: 8px 12px; border-radius: 10px; }

.lcw-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  height: var(--nav-h);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
}
.lcw-header__inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.lcw-brand__logo { height: 34px; }
.lcw-menu { display: flex; align-items: center; gap: 6px; }
.lcw-link { padding: 9px 12px; border-radius: 10px; color: #384152; font-weight: 500; }
.lcw-link:hover { color: var(--brand); background: #eff4ff; }
.lcw-nav { display: flex; align-items: center; gap: 10px; }
.lcw-nav__toggle { display: none; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 8px; }
.lcw-icon { width: 20px; height: 20px; display: inline-flex; }

.lcw-btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid #d6deed;
  border-radius: 12px;
  padding: 11px 18px;
  font-weight: 650;
  background: #fff;
  color: #202939;
}
.lcw-btn:hover { border-color: #b8c5dc; }
.lcw-btn--primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow: 0 10px 22px rgba(42,107,255,.24);
}
.lcw-btn--primary:hover { filter: brightness(1.05); }
.lcw-btn--ghost { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.28); color: #fff; }
.lcw-btn--ghost:hover { background: rgba(255,255,255,.18); }
.lcw-btn--block { width: 100%; }
.lcw-btn--download { padding: 15px 30px; font-size: 16px; }
.lcw-disabled { opacity: .5; pointer-events: none; }

.lcw-h1 { margin: 0; font-size: clamp(34px,5vw,58px); line-height: 1.12; letter-spacing: -.02em; }
.lcw-h2 { margin: 0; font-size: clamp(24px,3vw,40px); line-height: 1.18; letter-spacing: -.01em; }
.lcw-lead { margin: 14px 0 0; color: var(--muted); font-size: 17px; max-width: 860px; }
.lcw-lead--light { color: #a7b4cf; }
.lcw-meta { margin-top: 10px; color: #6f7b92; font-size: 14px; }
.lcw-eyebrow { margin: 0 0 10px; color: #9dc2ff; font-weight: 700; letter-spacing: .03em; }

.lcw-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.lcw-center { justify-content: center; }
.lcw-keywords { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 9px; }
.lcw-keywords span { font-size: 12px; border-radius: 999px; padding: 5px 10px; border: 1px solid rgba(127,164,255,.35); color: #cfe0ff; background: rgba(117,157,255,.12); }

.lcw-heroX {
  position: relative;
  overflow: hidden;
  background: radial-gradient(1100px 600px at 15% 20%, #274084 0%, #151f38 45%, #0b1221 100%);
  color: #fff;
  padding: 72px 0 64px;
}
.lcw-heroX__bg {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(48,111,255,.3), rgba(111,56,255,.12) 55%, transparent);
  pointer-events: none;
}
.lcw-heroX__grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 30px; }
.lcw-heroX .lcw-lead { color: #b8c7e6; }
.lcw-heroX__visual img {
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 20px;
  box-shadow: 0 30px 70px rgba(10,16,31,.55);
}

.lcw-subHeroX {
  background: linear-gradient(180deg,#f4f8ff 0%,#fff 100%);
  border-bottom: 1px solid var(--line);
  padding: 44px 0 30px;
}
.lcw-breadcrumb { margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 8px; color: #76829a; font-size: 13px; }
.lcw-breadcrumb a { color: #556179; }

.lcw-section { padding: 60px 0; }
.lcw-section--alt { background: #f6f8fc; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.lcw-section--dark {
  background: linear-gradient(180deg,#0d1528 0%,#0c1424 100%);
  color: #fff;
}

.lcw-cardGrid3,
.lcw-pricingGrid,
.lcw-reviewGrid,
.lcw-articleGridX,
.lcw-stepGridX,
.lcw-highlightRow,
.lcw-layoutX {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}
.lcw-cardGrid3 { grid-template-columns: repeat(3,minmax(0,1fr)); }
.lcw-pricingGrid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.lcw-reviewGrid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.lcw-articleGridX { grid-template-columns: repeat(3,minmax(0,1fr)); }
.lcw-stepGridX { grid-template-columns: repeat(3,minmax(0,1fr)); }
.lcw-highlightRow { grid-template-columns: repeat(3,minmax(0,1fr)); }
.lcw-layoutX { grid-template-columns: minmax(0,1fr) 320px; align-items: start; }

.lcw-neonCard,
.lcw-priceCard,
.lcw-review,
.lcw-articleX,
.lcw-sideCardX,
.lcw-articleDetailX,
.lcw-highlight,
.lcw-downloadPanelX,
.lcw-downloadRate div,
.lcw-stepGridX article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.lcw-neonCard {
  background: linear-gradient(160deg,#121d35 0%,#0d1425 100%);
  border-color: rgba(255,255,255,.12);
  color: #d9e3ff;
  padding: 20px;
}
.lcw-neonCard h3 { margin: 0 0 8px; color: #fff; }
.lcw-neonCard p { margin: 0; color: #aab8d8; }
.lcw-linkBtn { display: inline-flex; margin-top: 14px; color: #7eb0ff; font-weight: 600; }

.lcw-priceCard { padding: 22px; position: relative; }
.lcw-priceCard__tag {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 78px; height: 28px; border-radius: 999px;
  font-size: 12px; font-weight: 700; color: #1d4ed8;
  background: #eaf1ff;
}
.lcw-priceCard h3 { margin: 12px 0 8px; }
.lcw-price { font-size: 36px; font-weight: 800; line-height: 1; margin-bottom: 12px; }
.lcw-price span { font-size: 14px; font-weight: 500; color: #7b8497; }
.lcw-priceCard ul { margin: 0 0 16px; padding-left: 18px; color: #46526a; }
.lcw-priceCard--hot {
  border-color: #b4cdff;
  box-shadow: 0 16px 34px rgba(42,107,255,.14);
  transform: translateY(-4px);
}

.lcw-review { padding: 20px; }
.lcw-review p { margin: 0; color: #303b50; }
.lcw-review__meta { margin-top: 12px; color: #667288; font-size: 14px; }

.lcw-articleX { overflow: hidden; }
.lcw-articleX img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.lcw-articleX__body { padding: 16px; }
.lcw-articleX__body h2,
.lcw-articleX__body h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.35; }
.lcw-articleX__body p { margin: 0; color: #5a667d; font-size: 14px; }

.lcw-sideCardX { padding: 18px; }
.lcw-sideCardX h3 { margin: 0 0 8px; }
.lcw-sideCardX p { margin: 0 0 12px; color: #5f6b82; }
.lcw-sideLinksX { display: grid; gap: 10px; }
.lcw-sideLinksX a { color: #1f2d48; border-bottom: 1px dashed #e2e7f0; padding-bottom: 8px; }
.lcw-sideLinksX a:hover { color: var(--brand); }
.lcw-asideX { position: sticky; top: calc(var(--nav-h) + 16px); display: grid; gap: 14px; }

.lcw-articleDetailX { padding: 24px; }
.lcw-introX {
  margin-bottom: 16px;
  padding: 13px 14px;
  border: 1px solid #d9e6ff;
  border-left: 4px solid var(--brand);
  border-radius: 10px;
  background: #f3f8ff;
  color: #3a4860;
}
.lcw-prose h2,
.lcw-prose h3 { margin-top: 22px; line-height: 1.32; }
.lcw-prose a { color: #1d63e8; text-decoration: underline; }
.lcw-inlineCta {
  margin-top: 24px;
  background: linear-gradient(135deg,#edf4ff,#f8f4ff);
  border: 1px solid #dce7fb;
  border-radius: 14px;
  padding: 20px;
}
.lcw-inlineCta h2 { margin: 0 0 8px; font-size: 24px; line-height: 1.3; }
.lcw-inlineCta p { margin: 0; color: #43526a; }

.lcw-pn { margin-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.lcw-highlight { padding: 18px; }
.lcw-highlight h2 { font-size: 22px; margin: 0 0 8px; }
.lcw-highlight p { margin: 0; color: #5a667d; }

.lcw-downloadHero {
  background: linear-gradient(135deg,#0f1a31,#1b2952);
  color: #fff;
  padding: 60px 0;
}
.lcw-downloadHero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: center; }
.lcw-downloadHero .lcw-lead { color: #c2d0ea; }
.lcw-downloadRate { display: grid; gap: 12px; }
.lcw-downloadRate div { padding: 16px; border-color: rgba(255,255,255,.15); background: rgba(255,255,255,.06); }
.lcw-downloadRate strong { display: block; font-size: 30px; }
.lcw-downloadRate span { color: #c8d6ee; font-size: 13px; }

.lcw-downloadPanelX { text-align: center; padding: 22px; }
.lcw-downloadPanelX p { color: #58647a; margin: 10px 0 0; }

.lcw-stepGridX article { padding: 18px; }
.lcw-stepGridX span {
  display: inline-flex; width: 42px; height: 42px; border-radius: 50%;
  align-items: center; justify-content: center;
  color: #fff; font-weight: 700;
  background: linear-gradient(135deg,var(--brand),var(--brand-2));
}
.lcw-stepGridX h3 { margin: 12px 0 8px; }
.lcw-stepGridX p { margin: 0; color: #55627a; }

.lcw-pagination { margin-top: 20px; display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.lcw-pagination a,
.lcw-pagination span {
  min-width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid var(--line); display: inline-flex; align-items: center; justify-content: center;
  padding: 0 10px;
}
.lcw-pagination .current,
.lcw-pagination .active { background: #edf3ff; color: var(--brand); border-color: #c4d8ff; }

.lcw-footer { background: #0b1220; color: rgba(255,255,255,.86); margin-top: 20px; }
.lcw-footer__top { padding: 42px 0 30px; }
.lcw-footerCta__inner {
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 30px;
  background: linear-gradient(130deg, rgba(42,107,255,.32), rgba(108,56,255,.2));
  text-align: center;
}
.lcw-footerCta__tag { margin: 0; color: #d8e6ff; font-weight: 700; }
.lcw-footerCta__title { margin: 10px 0 0; font-size: 34px; color: #fff; }
.lcw-footerCta__desc { margin: 10px 0 0; color: rgba(255,255,255,.8); }
.lcw-footerCta__actions { justify-content: center; }
.lcw-footer__grid { margin-top: 28px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; }
.lcw-footer__title { margin: 0 0 10px; color: #fff; font-size: 18px; }
.lcw-footer__text { margin: 0; color: rgba(255,255,255,.72); }
.lcw-footer__list { margin: 0; padding-left: 16px; color: rgba(255,255,255,.75); }
.lcw-subfooter { border-top: 1px solid rgba(255,255,255,.1); padding: 14px 0; }
.lcw-subfooter__inner { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 14px; }

@media (max-width: 1024px) {
  :root { --nav-h: 66px; }
  .lcw-nav__toggle { display: inline-flex; }
  .lcw-menu {
    position: absolute; top: calc(var(--nav-h) - 1px); left: 14px; right: 14px;
    background: #fff; border: 1px solid var(--line); border-radius: 12px;
    padding: 10px; display: grid;
  }
  .lcw-menu[aria-hidden="true"] { display: none; }

  .lcw-heroX__grid,
  .lcw-cardGrid3,
  .lcw-pricingGrid,
  .lcw-reviewGrid,
  .lcw-articleGridX,
  .lcw-stepGridX,
  .lcw-highlightRow,
  .lcw-downloadHero__grid,
  .lcw-layoutX,
  .lcw-footer__grid,
  .lcw-pn {
    grid-template-columns: 1fr;
  }
  .lcw-asideX { position: static; }
  .lcw-priceCard--hot { transform: none; }
}

@media (max-width: 640px) {
  .lcw-btn { width: 100%; }
  .lcw-actions { width: 100%; }
}