:root{
  --blue:#e9f6ff;
  --blue-strong:#78bde8;
  --cream:#fff4c9;
  --orange:#ffb66e;
  --orange-soft:#ffe0bd;
  --white:#ffffff;
  --ink:#27415a;
  --muted:#667b8f;
  --line:#d8ebf8;
  --shadow:0 18px 45px rgba(68,121,164,.14);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fffdf7;line-height:1.72}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:0 auto}.top-line{height:8px;background:linear-gradient(90deg,var(--blue-strong),var(--cream),var(--orange))}
.site-header{background:rgba(255,255,255,.88);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);border-bottom:1px solid rgba(120,189,232,.2)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:16px;background:linear-gradient(135deg,var(--orange),var(--cream));color:#fff;box-shadow:var(--shadow)}.brand-text{letter-spacing:.5px}.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.site-nav a{padding:10px 14px;border-radius:999px;color:#49657c;font-weight:650}.site-nav a:hover,.site-nav a.active,.site-nav a[aria-current="page"]{background:var(--blue);color:#176899}.nav-toggle{display:none;border:0;background:var(--blue);border-radius:14px;padding:10px 12px;font-size:22px;color:var(--ink)}
.section{padding:84px 0}.section-soft{background:radial-gradient(circle at 10% 10%,#fff8d7 0 18%,transparent 28%),linear-gradient(180deg,#f2fbff,#fffdf7)}.section-warm{background:linear-gradient(180deg,#fff7db,#fffdf7)}.section-blue{background:linear-gradient(180deg,#e9f6ff,#fffdf7)}.hero{padding:86px 0 70px}.hero-grid,.two-col,.split-feature{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}.two-col.reverse{grid-template-columns:.92fr 1.08fr}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:rgba(120,189,232,.18);color:#287aa8;font-weight:700;font-size:14px;margin-bottom:14px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,5vw,58px);line-height:1.12;margin-bottom:22px;letter-spacing:-.7px}h2{font-size:clamp(26px,3vw,40px);line-height:1.22;margin-bottom:16px}h3{font-size:22px;margin-bottom:10px}p{color:var(--muted)}.hero-copy p{font-size:18px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 22px;font-weight:800;border:0;cursor:pointer}.btn.primary{background:linear-gradient(135deg,#ffac61,#ffc98d);color:#fff;box-shadow:0 12px 28px rgba(255,172,97,.28)}.btn.secondary{background:#fff;color:#287aa8;border:1px solid var(--line)}.domain-pill{display:inline-flex;padding:10px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#49657c}.card-visual,.panel-card{background:rgba(255,255,255,.82);border:1px solid rgba(120,189,232,.28);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.hero-visual{transform:rotate(1deg)}.section-heading{text-align:center;width:min(780px,100%);margin:0 auto 42px}.card-grid{display:grid;gap:22px}.card-grid.three{grid-template-columns:repeat(3,1fr)}.card-grid.four{grid-template-columns:repeat(4,1fr)}.info-card,.feature-card,.playlist-card,.media-card,.value-list article,.steps div,.notice-card{background:#fff;border:1px solid rgba(120,189,232,.24);border-radius:24px;padding:22px;box-shadow:0 10px 26px rgba(68,121,164,.08)}.info-card img,.feature-card img{height:118px;object-fit:contain;margin-bottom:16px}.tag{display:inline-flex;border-radius:999px;background:#fff0d9;color:#ba6a22;padding:5px 11px;font-size:13px;font-weight:800}.check-list{list-style:none;padding:0;margin:18px 0 0}.check-list li{position:relative;padding-left:32px;margin:12px 0;color:#49657c}.check-list li:before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#287aa8;font-weight:900}.panel-card.light{background:rgba(255,255,255,.7)}.text-link{display:inline-flex;margin-top:10px;font-weight:800;color:#287aa8}.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}.mini-grid div{background:#fff;border-radius:20px;padding:18px;border:1px solid rgba(120,189,232,.25)}.feature-image{background:linear-gradient(135deg,var(--blue),#fff);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}.topic-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.topic-strip div{background:#fff;border-radius:24px;padding:24px;text-align:center;border:1px solid rgba(120,189,232,.24)}.topic-strip strong{display:block;font-size:24px;color:#287aa8}.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.media-card{padding:0;overflow:hidden}.media-card img{height:180px;width:100%;object-fit:cover;background:var(--blue)}.media-card div{padding:20px}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.quote-grid blockquote{margin:0;background:#fff;border-radius:24px;padding:26px;border:1px solid rgba(120,189,232,.26);box-shadow:0 10px 26px rgba(68,121,164,.08);color:#49657c}.quote-grid cite{display:block;margin-top:15px;font-style:normal;font-weight:800;color:#287aa8}.faq details{background:#fff;border:1px solid rgba(120,189,232,.24);border-radius:20px;padding:18px 22px;margin:14px 0;box-shadow:0 8px 22px rgba(68,121,164,.06)}.faq summary{cursor:pointer;font-weight:800;color:#27415a}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(135deg,var(--blue),var(--cream));border-radius:32px;padding:36px;box-shadow:var(--shadow)}.page-hero{padding:72px 0}.value-list{display:grid;gap:14px}.value-list article{display:flex;gap:16px;align-items:flex-start}.value-list strong{min-width:56px;color:#287aa8;font-size:22px}.timeline{display:grid;gap:20px}.timeline article{position:relative;background:#fff;border-radius:24px;padding:26px 26px 26px 120px;border:1px solid rgba(120,189,232,.24);box-shadow:0 10px 26px rgba(68,121,164,.08)}.timeline article span{position:absolute;left:24px;top:26px;background:var(--orange-soft);color:#9a5a1b;border-radius:999px;padding:8px 14px;font-weight:900}.steps{display:grid;gap:16px}.steps strong{display:grid;place-items:center;width:42px;height:42px;border-radius:15px;background:var(--cream);color:#bd701e;font-size:22px}.question-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.question-grid div{background:#fff;border:1px solid rgba(120,189,232,.24);border-radius:22px;padding:22px;font-weight:750;color:#49657c}.video-list{display:grid;gap:24px}.video-list article{display:grid;grid-template-columns:280px 1fr;gap:24px;background:#fff;border:1px solid rgba(120,189,232,.24);border-radius:28px;padding:20px;box-shadow:0 10px 26px rgba(68,121,164,.08);align-items:center}.video-list img{height:190px;width:100%;object-fit:cover;border-radius:20px;background:var(--blue)}.contact-form{background:#fff;border:1px solid rgba(120,189,232,.24);border-radius:28px;padding:26px;box-shadow:var(--shadow)}.contact-form label{display:block;font-weight:800;margin-bottom:16px;color:#49657c}.contact-form input,.contact-form select,.contact-form textarea{width:100%;margin-top:8px;border:1px solid var(--line);border-radius:16px;padding:12px 14px;font:inherit;color:var(--ink);background:#fbfeff}.form-note{font-size:14px;margin:12px 0 0}.notice-card{margin:14px 0;display:flex;justify-content:space-between;gap:18px}.site-footer{background:#27415a;color:#fff;padding:46px 0;margin-top:20px}.site-footer p{color:#d8e8f4}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:30px}.footer-brand{font-size:24px;font-weight:900;margin-bottom:10px}.site-footer strong{display:block;margin-bottom:10px}.js-current-host,.js-current-origin,.js-current-domain{font-weight:800;color:inherit;word-break:break-all}
@media (max-width:980px){.hero-grid,.two-col,.two-col.reverse,.split-feature{grid-template-columns:1fr}.card-grid.three,.card-grid.four,.media-grid,.quote-grid,.topic-strip,.question-grid,.footer-grid{grid-template-columns:1fr 1fr}.video-list article{grid-template-columns:1fr}.site-nav{display:none;position:absolute;left:4vw;right:4vw;top:84px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:var(--shadow)}.site-nav.open{display:grid}.site-nav a{display:block}.nav-toggle{display:inline-flex}.nav-wrap{position:relative}}
@media (max-width:640px){.section{padding:58px 0}.hero{padding:62px 0 52px}h1{font-size:34px}.card-grid.three,.card-grid.four,.media-grid,.quote-grid,.topic-strip,.question-grid,.footer-grid{grid-template-columns:1fr}.mini-grid{grid-template-columns:1fr}.timeline article{padding:92px 22px 22px}.cta-box{display:block;padding:26px}.cta-box .btn{margin-top:18px}.hero-actions .btn{width:100%}.notice-card{display:block}.nav-wrap{min-height:68px}}