:root{
  --blue:#8ed1f0;
  --blue-deep:#2f7fa5;
  --cream:#fff4c8;
  --orange:#ffb36b;
  --orange-deep:#de7a31;
  --ink:#24313a;
  --muted:#667781;
  --line:#e7f1f5;
  --white:#ffffff;
  --soft:#f7fcff;
  --shadow:0 18px 45px rgba(67,126,158,.12);
  --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:linear-gradient(180deg,#f7fcff 0%,#fffaf0 44%,#ffffff 100%);line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(18px,5vw,70px);background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(142,209,240,.28)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--blue-deep);letter-spacing:.03em}
.brand-mark{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:16px;background:linear-gradient(145deg,var(--blue),var(--cream));color:#245b77;box-shadow:0 10px 26px rgba(47,127,165,.16)}
.brand-text{font-size:1.24rem}
.site-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.site-nav a{padding:9px 14px;border-radius:999px;color:#46606d;font-weight:650;font-size:.95rem}
.site-nav a.active,.site-nav a:hover{background:#e9f7fd;color:var(--blue-deep)}
.nav-toggle{display:none;border:0;background:#e9f7fd;color:var(--blue-deep);font-size:1.3rem;border-radius:14px;padding:8px 12px}
.hero,.page-hero,.section,.split-section,.contact-layout{width:min(1180px,92vw);margin:0 auto}
.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center;padding:70px 0 48px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;background:#fff4c8;color:#8c5a15;font-weight:700;font-size:.88rem}
h1,h2,h3{line-height:1.22;margin:0;color:#24313a}
h1{font-size:clamp(2.2rem,5vw,4.8rem);letter-spacing:-.05em;margin-top:18px}
h2{font-size:clamp(1.75rem,3.2vw,3rem);letter-spacing:-.035em}
h3{font-size:1.18rem}
p{margin:10px 0 0;color:var(--muted)}
.lead{font-size:1.1rem;color:#4d6571;max-width:760px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:800;border:1px solid transparent;transition:.2s ease}
.btn.primary{background:linear-gradient(135deg,var(--orange),#ffd28b);color:#563313;box-shadow:0 14px 30px rgba(222,122,49,.18)}
.btn.secondary{background:#ffffff;color:var(--blue-deep);border-color:#d8edf7}
.btn:hover{transform:translateY(-2px)}
.hero-panel{position:relative;padding:18px;border-radius:36px;background:#fff;box-shadow:var(--shadow)}
.hero-panel:before{content:"";position:absolute;inset:-18px -12px auto auto;width:120px;height:120px;border-radius:50%;background:#fff4c8;z-index:-1}
.hero-panel img{border-radius:28px;background:#eef9fd}
.quick-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.stat{padding:14px;border-radius:20px;background:#f7fcff;border:1px solid #e5f2f7;text-align:center}
.stat strong{display:block;color:var(--blue-deep);font-size:1.35rem}
.stat span{font-size:.86rem;color:#647883}
.section{padding:62px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:26px}
.section-head p{max-width:620px}
.grid{display:grid;gap:18px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 12px 34px rgba(65,125,156,.08)}
.card.soft{background:linear-gradient(180deg,#fff,#f8fcff)}
.card h3{margin-top:10px}
.card-icon{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:#fff4c8;font-size:1.45rem}
.tag-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{display:inline-flex;border-radius:999px;padding:5px 10px;background:#eef9fd;color:#2f7fa5;font-weight:700;font-size:.82rem}
.tag.warm{background:#fff3df;color:#b45d1a}
.poster-card{overflow:hidden;padding:0}
.poster-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#eef9fd}
.poster-body{padding:20px}
.check-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.check-list li{position:relative;padding-left:28px;color:#536976}
.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--orange-deep);font-weight:900}
.split-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center;padding:62px 0}
.split-section .visual{border-radius:36px;background:#fff;box-shadow:var(--shadow);padding:18px}
.split-section .visual img{border-radius:28px}
.timeline{display:grid;gap:16px;margin-top:22px}
.time-row{display:grid;grid-template-columns:88px 1fr;gap:16px;align-items:start;padding:18px;border:1px solid var(--line);border-radius:24px;background:#fff}
.time-row strong{color:#2f7fa5}
.page-hero{padding:58px 0 34px;text-align:center}
.page-hero .lead{margin-left:auto;margin-right:auto}
.breadcrumb{display:inline-flex;gap:8px;font-size:.9rem;color:#6a7c86;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;margin-bottom:16px}
.feature-band{width:min(1180px,92vw);margin:26px auto 0;padding:30px;border-radius:34px;background:linear-gradient(135deg,#eaf8fe,#fff4c8);display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;box-shadow:var(--shadow)}
.table-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.responsive-table{width:100%;border-collapse:collapse}
.responsive-table th,.responsive-table td{padding:16px;text-align:left;border-bottom:1px solid #edf4f7;vertical-align:top}
.responsive-table th{background:#f2fbff;color:#2f7fa5}
.responsive-table tr:last-child td{border-bottom:0}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.video-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 12px 34px rgba(65,125,156,.08)}
.video-cover{position:relative;background:#eef9fd}
.video-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.play-dot{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;color:#de7a31;font-weight:900;box-shadow:0 10px 24px rgba(0,0,0,.08)}
.video-body{padding:20px}
.faq{display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 20px;box-shadow:0 10px 24px rgba(65,125,156,.06)}
summary{cursor:pointer;font-weight:800;color:#2f4f5f}
.contact-layout{display:grid;grid-template-columns:1fr .95fr;gap:28px;padding:48px 0 70px}
.form-card label{display:grid;gap:7px;margin-bottom:14px;color:#4c6571;font-weight:700}
input,textarea,select{width:100%;border:1px solid #d8edf7;border-radius:16px;padding:12px 14px;background:#fdfefe;font:inherit;color:var(--ink)}
textarea{min-height:128px;resize:vertical}
.notice-box{padding:20px;border-radius:24px;background:#fff9e8;border:1px solid #ffe4b5;color:#6f521f}
.site-footer{margin-top:30px;padding:38px clamp(18px,5vw,70px) 24px;background:#22323a;color:#d9eef7}
.site-footer p{color:#b9d0da}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:24px;width:min(1180px,100%);margin:0 auto}
.footer-bottom{width:min(1180px,100%);margin:24px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#b9d0da;font-size:.92rem}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.badge{padding:8px 12px;border-radius:999px;background:#fff;color:#2f7fa5;border:1px solid #d8edf7;font-weight:800;font-size:.86rem}
.callout{border-radius:32px;background:linear-gradient(135deg,#ffffff,#fff8e5);border:1px solid #ffe7b8;padding:28px;box-shadow:var(--shadow)}
.small-note{font-size:.92rem;color:#71828a}
.mt-18{margin-top:18px}
@media (max-width:980px){
  .hero,.split-section,.feature-band,.contact-layout{grid-template-columns:1fr}
  .grid.three,.grid.four,.video-grid{grid-template-columns:repeat(2,1fr)}
  .section-head{display:block}
}
@media (max-width:720px){
  .site-header{align-items:flex-start}
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;left:18px;right:18px;top:72px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
  .site-nav.open{display:grid;grid-template-columns:1fr 1fr}
  .hero{padding-top:42px}
  .quick-stats,.grid.three,.grid.four,.video-grid,.footer-grid{grid-template-columns:1fr}
  .time-row{grid-template-columns:1fr}
  .responsive-table,.responsive-table tbody,.responsive-table tr,.responsive-table td,.responsive-table th{display:block;width:100%}
  .responsive-table thead{display:none}
  .responsive-table td{border-bottom:0;padding:12px 16px}
  .responsive-table tr{border-bottom:1px solid #edf4f7}
  .responsive-table td:before{content:attr(data-label);display:block;font-weight:800;color:#2f7fa5;margin-bottom:3px}
}