:root{
    --cream:#fff8ec;
    --cream-2:#fff1dc;
    --navy:#172747;
    --navy-soft:#243a67;
    --orange:#ff8a3d;
    --orange-soft:#ffd2a3;
    --purple:#a78bfa;
    --purple-soft:#eee7ff;
    --mint:#dff7ed;
    --ink:#263149;
    --muted:#6e7890;
    --line:#eadfcd;
    --card:#ffffff;
    --shadow:0 18px 45px rgba(23,39,71,.12);
    --radius:26px;
}
*{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",Arial,sans-serif;
    color:var(--ink);
    background:
        radial-gradient(circle at top left,rgba(167,139,250,.22),transparent 33rem),
        radial-gradient(circle at top right,rgba(255,138,61,.18),transparent 30rem),
        var(--cream);
    line-height:1.7;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.skip-link{position:absolute;left:12px;top:-60px;background:var(--navy);color:#fff;padding:10px 14px;border-radius:12px;z-index:20}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,248,236,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(234,223,205,.8)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
.brand-mark{width:48px;height:48px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy),#314a7f);color:#fff;font-weight:900;box-shadow:0 12px 28px rgba(23,39,71,.22)}
.brand-text{display:grid;line-height:1.15}.brand-text strong{font-size:20px;color:var(--navy)}.brand-text small{font-size:12px;color:var(--muted);margin-top:4px}
.site-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.site-nav a{padding:10px 14px;border-radius:999px;color:var(--navy);font-weight:700;font-size:15px}.site-nav a:hover,.site-nav a.is-active{background:var(--navy);color:#fff;box-shadow:0 10px 22px rgba(23,39,71,.18)}
.nav-toggle{display:none;width:44px;height:44px;border:0;border-radius:14px;background:var(--navy);padding:10px}.nav-toggle span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:4px}
.hero{padding:74px 0 46px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:36px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--purple-soft);color:var(--navy);font-weight:800;font-size:14px}.eyebrow::before{content:"";width:9px;height:9px;border-radius:99px;background:var(--orange);box-shadow:0 0 0 6px rgba(255,138,61,.18)}
h1{font-size:clamp(34px,6vw,64px);line-height:1.08;margin:18px 0;color:var(--navy);letter-spacing:-.04em}h1 .accent{color:var(--orange)}
.lead{font-size:18px;color:#45506c;max-width:760px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 18px;border-radius:999px;border:2px solid transparent;font-weight:900;cursor:pointer;transition:.2s ease}.btn-primary{background:var(--orange);color:#fff;box-shadow:0 14px 30px rgba(255,138,61,.28)}.btn-primary:hover{transform:translateY(-2px)}.btn-secondary{background:#fff;color:var(--navy);border-color:rgba(23,39,71,.12)}.btn-ghost{background:var(--purple-soft);color:var(--navy)}
.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.point{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:22px;padding:14px}.point strong{display:block;color:var(--navy)}.point span{font-size:13px;color:var(--muted)}
.visual-card{position:relative;border-radius:34px;background:#fff;padding:18px;box-shadow:var(--shadow);border:1px solid rgba(234,223,205,.85)}.floating-note{position:absolute;right:8px;bottom:18px;background:var(--navy);color:#fff;border-radius:18px;padding:12px 14px;box-shadow:0 14px 30px rgba(23,39,71,.25)}.floating-note strong{display:block;font-size:18px}.floating-note small{display:block;color:#dbe4ff}
.section{padding:54px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.section-kicker{color:var(--orange);font-weight:900;letter-spacing:.06em}.section h2,.section-title{font-size:clamp(26px,4vw,42px);line-height:1.16;color:var(--navy);margin:6px 0 0}.section-desc{color:var(--muted);max-width:660px;margin:10px 0 0}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:rgba(255,255,255,.88);border:1px solid rgba(234,223,205,.88);border-radius:var(--radius);padding:22px;box-shadow:0 12px 32px rgba(23,39,71,.08)}.card:hover{transform:translateY(-2px);transition:.2s ease;box-shadow:var(--shadow)}.card h3{margin:12px 0 8px;color:var(--navy);font-size:22px}.card p{margin:0;color:#536079}.card .meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--purple-soft);color:var(--navy);font-size:13px;font-weight:800}.tag.orange{background:var(--orange-soft)}.tag.mint{background:var(--mint)}.stat-row{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:14px;margin-top:16px}.stat-row b{color:var(--navy)}
.playlist-card{padding:14px}.playlist-card img{border-radius:22px;background:var(--cream-2);width:100%}.playlist-body{padding:12px 6px 4px}.action-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}.mini-btn{border:0;background:var(--navy);color:#fff;border-radius:999px;padding:9px 12px;cursor:pointer;font-weight:800}.mini-btn.saved{background:var(--orange)}
.topic-card{display:flex;align-items:flex-start;gap:16px}.topic-icon{width:58px;height:58px;border-radius:20px;display:grid;place-items:center;flex:0 0 auto;background:var(--cream-2);color:var(--navy);font-weight:900;font-size:22px}.topic-card:nth-child(2n) .topic-icon{background:var(--purple-soft)}.topic-card:nth-child(3n) .topic-icon{background:var(--mint)}
.rating-score{font-size:34px;font-weight:950;color:var(--orange);line-height:1}.stars{letter-spacing:3px;color:var(--orange);font-size:20px}.meter{height:12px;background:#f2e8d9;border-radius:999px;overflow:hidden;margin:12px 0}.meter span{display:block;height:100%;background:linear-gradient(90deg,var(--orange),var(--purple));border-radius:999px}.notice{font-size:13px;color:var(--muted)}
.bubble-list{display:grid;gap:14px}.bubble{position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px}.bubble::before{content:"";position:absolute;left:26px;bottom:-9px;border:10px solid transparent;border-top-color:#fff}.user-line{display:flex;align-items:center;gap:12px;margin-bottom:10px}.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--purple),var(--orange-soft));display:grid;place-items:center;color:var(--navy);font-weight:900}.user-line strong{color:var(--navy)}.user-line small{display:block;color:var(--muted)}
.feed{display:grid;gap:16px}.feed-item{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:24px;padding:18px}.feed-item p{margin:4px 0 0;color:#536079}.feed-media{grid-column:2;border-radius:18px;background:var(--cream-2);padding:12px;margin-top:8px}.feed-media img{border-radius:14px}
.cta{background:linear-gradient(135deg,var(--navy),#2d4480);color:#fff;border-radius:36px;padding:36px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;box-shadow:var(--shadow)}.cta h2{color:#fff;margin:0 0 10px}.cta p{color:#dfe6ff;margin:0}.cta .btn{background:#fff;color:var(--navy)}
.faq{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:22px;background:#fff;overflow:hidden}.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:18px 20px;font-weight:900;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;gap:18px}.faq-answer{display:none;padding:0 20px 18px;color:#536079}.faq-item.open .faq-answer{display:block}.faq-question::after{content:"+"}.faq-item.open .faq-question::after{content:"−"}
.page-hero{padding:58px 0 30px}.page-hero .lead{max-width:840px}.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-bottom:12px}.breadcrumb a{color:var(--navy);font-weight:800}.panel{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:32px;padding:30px;box-shadow:0 12px 32px rgba(23,39,71,.08)}.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.list-clean{list-style:none;padding:0;margin:0;display:grid;gap:12px}.list-clean li{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 16px}.timeline{display:grid;gap:18px}.timeline-item{display:grid;grid-template-columns:110px 1fr;gap:18px}.timeline-time{font-weight:950;color:var(--orange)}.contact-box{display:grid;gap:12px}.form{display:grid;gap:14px}.form label{font-weight:900;color:var(--navy)}.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:18px;background:#fff;padding:13px 14px;color:var(--ink)}.form textarea{min-height:130px;resize:vertical}.form-note{font-size:13px;color:var(--muted)}
.video-card{display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:center}.video-thumb{height:88px;border-radius:20px;background:linear-gradient(135deg,var(--navy),var(--purple));display:grid;place-items:center;color:#fff;font-size:30px;position:relative}.video-thumb::after{content:"";width:0;height:0;border-left:18px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}.score-list{display:grid;gap:14px}.score-row{display:grid;grid-template-columns:120px 1fr 56px;gap:14px;align-items:center}.score-row strong{color:var(--navy)}
.site-footer{margin-top:54px;background:var(--navy);color:#fff;padding:46px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:28px}.footer-grid p{color:#dbe4ff;margin:12px 0}.footer-grid h2{font-size:18px;color:#fff}.footer-grid a:not(.brand){display:block;color:#dbe4ff;margin:8px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:28px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#dbe4ff}.footer-brand .brand-mark{background:#fff;color:var(--navy)}.footer-brand .brand-text strong{color:#fff}.footer-brand .brand-text small{color:#dbe4ff}
@media (max-width:960px){.hero-grid,.split,.cta{grid-template-columns:1fr}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.hero{padding-top:50px}.timeline-item{grid-template-columns:1fr}.floating-note{position:static;margin-top:12px}.site-nav{position:absolute;top:76px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;display:none;box-shadow:var(--shadow)}.site-nav.open{display:grid}.site-nav a{display:block}.nav-toggle{display:block}}
@media (max-width:640px){.container{width:min(100% - 22px,1180px)}.hero-points,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section-head{display:block}.card{padding:18px}.cta{padding:24px;border-radius:26px}.footer-grid{grid-template-columns:1fr}.video-card{grid-template-columns:1fr}.score-row{grid-template-columns:1fr}.feed-item{grid-template-columns:1fr}.feed-media{grid-column:1}.hero-actions .btn{width:100%}.page-hero{padding-top:38px}.brand-text small{display:none}}