:root {
  --bg: #f5f9ff;
  --bg-soft: #eef5ff;
  --surface: #ffffff;
  --surface-2: #f8fbff;
  --text: #11233d;
  --muted: #59708e;
  --line: #dce8f6;
  --primary: #1d6cf2;
  --primary-2: #50a6ff;
  --deep: #0e2b59;
  --success: #0d7c66;
  --shadow: 0 20px 55px rgba(17, 35, 61, 0.08);
  --radius: 24px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(80,166,255,0.16), transparent 26%),
    radial-gradient(circle at left top, rgba(29,108,242,0.10), transparent 24%),
    var(--bg);
  line-height: 1.68;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,0.84);
  border-bottom: 1px solid rgba(220,232,246,0.92);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 48px; height: 48px; border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  display: grid; place-items: center; color: white; font-weight: 800; font-size: 22px;
  box-shadow: 0 14px 28px rgba(29,108,242,0.24);
}
.brand-title { font-size: 16px; font-weight: 800; }
.brand-sub { font-size: 12px; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 10px 14px; border-radius: 14px; color: var(--muted); font-weight: 650; font-size: 14px;
}
.nav a:hover, .nav a.active { background: var(--surface-2); color: var(--deep); }
.header-cta { display: flex; align-items: center; gap: 12px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 750; font-size: 15px; cursor: pointer;
  transition: .2s ease;
}
.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white; box-shadow: 0 18px 32px rgba(29,108,242,0.22);
}
.button-primary:hover { transform: translateY(-1px); }
.button-secondary {
  background: rgba(255,255,255,0.86); border-color: var(--line); color: var(--deep);
}
.menu-toggle { display: none; width: 46px; height: 46px; border-radius: 14px; border: 1px solid var(--line); background: white; }
.mobile-menu { display: none; padding: 0 0 16px; }
.mobile-menu a { display: block; padding: 14px 16px; background: white; border: 1px solid var(--line); border-radius: 16px; margin-top: 10px; font-weight: 700; color: var(--deep); }
.hero { padding: 58px 0 36px; }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 28px; align-items: stretch; }
.hero-copy { padding: 8px 0; }
.kicker-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.kicker {
  display: inline-flex; align-items: center; padding: 8px 14px; border-radius: 999px;
  background: rgba(255,255,255,0.94); border: 1px solid rgba(220,232,246,0.92);
  color: var(--deep); font-size: 13px; font-weight: 700;
}
.hero h1 { margin: 0; font-size: clamp(40px, 5vw, 72px); line-height: 1.03; letter-spacing: -0.04em; }
.hero .accent { display: block; color: var(--primary); }
.hero-text { font-size: 19px; color: #314a68; margin-top: 18px; }
.hero-text strong { color: var(--deep); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-panel {
  background: rgba(255,255,255,0.95); border: 1px solid rgba(220,232,246,0.92);
  border-radius: 30px; padding: 24px; box-shadow: var(--shadow);
}
.hero-panel-grid { display: grid; gap: 14px; }
.hero-panel-card { background: linear-gradient(180deg, #f7fbff, #eef6ff); border-radius: 24px; padding: 18px; border: 1px solid #d9e9fb; }
.hero-panel-card h3 { margin: 0 0 8px; font-size: 14px; color: var(--muted); }
.hero-panel-card p { margin: 0; font-size: 19px; font-weight: 800; line-height: 1.4; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 30px; }
.metric-card {
  background: rgba(255,255,255,0.92); border: 1px solid rgba(220,232,246,0.92); border-radius: 24px; padding: 18px; box-shadow: 0 10px 24px rgba(17, 35, 61, 0.05);
}
.metric-card .value { font-size: 28px; font-weight: 850; letter-spacing: -0.03em; }
.metric-card .label { font-size: 13px; color: var(--muted); margin-top: 4px; }
.section { padding: 64px 0; }
.section.alt { background: rgba(255,255,255,0.55); border-top: 1px solid rgba(220,232,246,0.88); border-bottom: 1px solid rgba(220,232,246,0.88); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 30px; }
.eyebrow { font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--primary); font-weight: 800; }
.section-head h2 { margin: 6px 0 0; font-size: clamp(28px, 4vw, 48px); line-height: 1.1; letter-spacing: -0.03em; }
.section-head p { margin: 10px 0 0; color: var(--muted); max-width: 760px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.card {
  background: rgba(255,255,255,0.96);
  border: 1px solid rgba(220,232,246,0.92);
  border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow);
}
.card.soft { background: linear-gradient(180deg, #ffffff, #f8fbff); }
.icon-badge {
  width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(180deg, #ecf5ff, #dbecff); color: var(--primary); font-size: 18px; font-weight: 800; margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 22px; line-height: 1.26; }
.card p { margin: 0; color: var(--muted); }
.media-card {
  background: rgba(255,255,255,0.96); border: 1px solid rgba(220,232,246,0.92); border-radius: 28px; overflow: hidden; box-shadow: var(--shadow);
}
.media-card img, .media-card video { width: 100%; height: 100%; object-fit: cover; }
.media-card .caption { padding: 16px 18px 20px; }
.media-card .caption h3 { margin: 0 0 6px; font-size: 20px; }
.media-card .caption p { margin: 0; color: var(--muted); }
.score-card { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: stretch; }
.score-frame {
  background: linear-gradient(180deg, #ffffff, #fbfdff); border-radius: 24px; padding: 18px; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; min-height: 100%;
}
.score-frame img { max-height: 520px; width: auto; object-fit: contain; }
.score-meta { display: grid; gap: 14px; }
.mini-list { display: grid; gap: 12px; }
.mini-item { background: var(--surface-2); border: 1px solid var(--line); border-radius: 20px; padding: 16px 18px; }
.mini-item strong { display: block; margin-bottom: 4px; font-size: 16px; }
.gallery { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; }
.stacked { display: grid; gap: 22px; }
.course-card .top { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.pill { display: inline-flex; align-items: center; padding: 8px 12px; border-radius: 999px; background: #eef6ff; color: var(--primary); font-size: 13px; font-weight: 800; }
.price { font-size: 24px; font-weight: 850; letter-spacing: -0.03em; }
.course-meta { display: grid; gap: 10px; margin: 16px 0; }
.course-meta-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 14px; border-radius: 18px; background: var(--surface-2); border: 1px solid var(--line); color: var(--muted); }
.course-meta-row strong { color: var(--text); }
.partner-list { columns: 2; column-gap: 18px; margin-top: 18px; }
.partner-list li { break-inside: avoid; margin-bottom: 12px; color: var(--muted); }
.split-callout {
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 24px; align-items: stretch;
}
.callout-dark {
  border-radius: 30px; padding: 28px; color: white; background: linear-gradient(135deg, #0e2b59, #1d6cf2 60%, #50a6ff); box-shadow: 0 24px 40px rgba(17,35,61,.16);
}
.callout-dark h3 { margin: 8px 0 10px; font-size: clamp(28px, 3vw, 44px); line-height: 1.08; }
.callout-dark p { color: rgba(255,255,255,0.88); }
.school-wall { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.school-chip { padding: 14px 15px; background: white; border: 1px solid var(--line); border-radius: 18px; color: var(--deep); font-weight: 700; }
.faq { display: grid; gap: 12px; }
.faq details { background: white; border: 1px solid var(--line); border-radius: 20px; padding: 18px 20px; box-shadow: var(--shadow); }
.faq summary { list-style: none; cursor: pointer; font-weight: 800; }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { margin: 12px 0 0; color: var(--muted); }
.contact-wrap { display: grid; grid-template-columns: 1fr 380px; gap: 24px; align-items: stretch; }
.qr-card { background: white; border: 1px solid var(--line); border-radius: 28px; padding: 20px; box-shadow: var(--shadow); text-align: center; }
.qr-card img { width: 100%; border-radius: 22px; border: 1px solid var(--line); }
.qr-card h3 { margin: 16px 0 8px; font-size: 24px; }
.qr-card p { margin: 0; color: var(--muted); }
.footer { margin-top: 28px; padding: 28px 0 36px; border-top: 1px solid rgba(220,232,246,0.9); background: rgba(255,255,255,0.8); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.footer small { color: var(--muted); }
.video-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.video-frame { border-radius: 22px; overflow: hidden; border: 1px solid var(--line); background: #0e2b59; }
.video-frame video { width: 100%; aspect-ratio: 16/9; }
.media-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.banner-image { width: 100%; border-radius: 30px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.note { font-size: 14px; color: var(--muted); }
@media (max-width: 1080px) {
  .nav, .header-cta { display: none; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .mobile-menu.open { display: block; }
  .hero-grid, .score-card, .gallery, .split-callout, .contact-wrap, .footer-inner { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3, .school-wall, .video-grid, .media-grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 720px) {
  .hero { padding-top: 36px; }
  .section { padding: 46px 0; }
  .container { width: min(var(--max), calc(100% - 20px)); }
  .partner-list { columns: 1; }
  .metrics { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metric-card { padding: 14px; }
  .hero-text { font-size: 17px; }
  .button { width: 100%; }
  .hero-actions { flex-direction: column; }
}


.contain-media img,
.contain-media video {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  background: #fff;
}
.emc-card img {
  aspect-ratio: auto;
  min-height: 280px;
}
.partner-card img {
  aspect-ratio: auto;
  min-height: 260px;
}
.scene-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}



.nav-tools{display:flex;align-items:center;gap:12px}.lang-switch{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.92);color:var(--deep);font-size:13px;font-weight:800}.lang-switch:hover{background:var(--surface-2)}
.hero-note{font-size:18px;color:#314a68;margin-top:18px;max-width:760px}
.article-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.article-card{background:rgba(255,255,255,0.96);border:1px solid rgba(220,232,246,0.92);border-radius:28px;padding:22px;box-shadow:var(--shadow)}
.article-card .meta{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0}.meta-pill{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:#eef6ff;color:var(--primary);font-size:12px;font-weight:800}
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.post-card{display:flex;flex-direction:column;gap:14px;background:rgba(255,255,255,0.96);border:1px solid rgba(220,232,246,0.92);border-radius:26px;padding:22px;box-shadow:var(--shadow)}
.post-card h3{margin:0;font-size:24px;line-height:1.24}.post-card p{margin:0;color:var(--muted)}.post-card .meta{display:flex;flex-wrap:wrap;gap:10px}.post-card .link{margin-top:auto;font-weight:800;color:var(--primary)}
.feature-post{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}.feature-copy{display:flex;flex-direction:column;gap:14px}.feature-copy h3{margin:0;font-size:30px;line-height:1.18}.feature-copy p{margin:0;color:var(--muted)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}.breadcrumb a{color:var(--primary);font-weight:700}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px}.article-body{background:rgba(255,255,255,.96);border:1px solid rgba(220,232,246,.92);border-radius:28px;padding:28px;box-shadow:var(--shadow)}.article-body h1{margin:0 0 18px;font-size:clamp(34px,4vw,54px);line-height:1.08;letter-spacing:-.03em}.article-body h2{margin:34px 0 12px;font-size:28px;line-height:1.18}.article-body h3{margin:24px 0 10px;font-size:22px;line-height:1.24}.article-body p{margin:0 0 16px;color:#2d4360}.article-body ul{margin:0 0 18px;padding-left:20px;color:#2d4360}.article-body li{margin:0 0 8px}
.article-sidebar{display:grid;gap:18px}.sidebar-card{background:rgba(255,255,255,.96);border:1px solid rgba(220,232,246,.92);border-radius:24px;padding:22px;box-shadow:var(--shadow)}.sidebar-card h3{margin:0 0 10px;font-size:20px}.sidebar-card p,.sidebar-card li{color:var(--muted)}
.article-cta{display:flex;flex-direction:column;gap:12px;margin-top:24px}.related-links{display:grid;gap:12px;margin-top:18px}.related-links a{display:block;padding:14px 16px;border-radius:18px;background:var(--surface-2);border:1px solid var(--line);font-weight:700;color:var(--deep)}
.insights-hero{padding:54px 0 22px}.insights-hero p{max-width:860px}.lang-inline{display:inline-flex;align-items:center;gap:10px;margin-left:10px}.text-right{text-align:right}
.footer-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.footer-links a{color:var(--muted);font-size:14px}
@media (max-width:1080px){.article-grid,.article-layout,.feature-post,.post-list{grid-template-columns:1fr}.nav-tools{display:none}.lang-inline{margin-left:0}}


/* official update: insights + principle + franchise */
.insight-side-card{display:flex;flex-direction:column;gap:14px;justify-content:space-between}
.insight-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.insight-feature-row{margin-top:10px}
.news-post-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.news-card{padding:24px;min-height:240px}
.news-card h3{font-size:22px;line-height:1.28}
.news-card .link{display:inline-flex;align-items:center;gap:6px}
.principle-key-grid .card,.principle-flow-grid .card{height:100%}
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.pricing-card{background:rgba(255,255,255,.98);border:1px solid rgba(220,232,246,.92);border-radius:28px;padding:26px;box-shadow:var(--shadow)}
.pricing-card.featured{background:linear-gradient(180deg,#ffffff,#f7fbff);border-color:#cfe3ff}
.pricing-head h3{margin:8px 0 8px;font-size:30px;line-height:1.12}
.pricing-head p{margin:0;color:var(--muted)}
.pricing-table{display:grid;gap:10px;margin-top:18px}
.pricing-row{display:flex;justify-content:space-between;gap:18px;padding:14px 16px;border-radius:18px;background:var(--surface-2);border:1px solid var(--line)}
.pricing-row span{color:var(--muted)}
.pricing-row strong{color:var(--deep);text-align:right}
.timeline-list{display:grid;gap:14px}
.timeline-item{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line)}
.timeline-item:first-child{border-top:none;padding-top:0}
.timeline-item span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:999px;background:#eaf4ff;color:var(--primary);font-weight:800;flex:0 0 auto}
.timeline-item strong{display:block;margin-bottom:4px;font-size:17px}
.timeline-item p{margin:0;color:var(--muted)}
@media (max-width:1080px){.compare-grid,.insight-mini-grid,.news-post-list{grid-template-columns:1fr}}