/* ============ mingbuy · Minion Warm Yellow Theme ============ */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --ink:#2d2d2d; --muted:#7a6f5d; --line:#efe0c0; --bg:#fffdf6; --soft:#fef9e8;
  --yellow:#fbd763; --yellow-d:#e8b82a; --yellow-l:#fff4cc;
  --blue:#4a7cc9; --blue-d:#3a63a1; --blue-l:#dce8f5;
  --accent:#ff6b4a; --dark:#1a1a1a;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Nunito","Inter",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
img{max-width:100%}

/* ===== nav ===== */
nav{position:sticky;top:0;z-index:30;background:rgba(255,253,246,.92);backdrop-filter:blur(12px);border-bottom:2px solid var(--yellow)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{font-weight:900;font-size:22px;letter-spacing:.3px;color:var(--ink);display:none}
.logo b{color:var(--blue)}
.logo-img-wrap{display:flex;align-items:center;background:var(--blue);padding:7px 18px;border-radius:14px;border:2px solid var(--blue-d)}
.logo-img{height:46px;width:auto;display:block}
.nav .links{display:flex;align-items:center;gap:6px}
.nav a.lnk{color:var(--muted);margin:0 14px;font-size:15px;font-weight:700;transition:.2s;position:relative}
.nav a.lnk:hover{color:var(--blue)}
.nav a.lnk::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:3px;background:var(--yellow);border-radius:2px;transition:.25s}
.nav a.lnk:hover::after{width:100%}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:13px 24px;border-radius:50px;font-weight:800;font-size:15px;transition:.2s;cursor:pointer;border:none;letter-spacing:.3px}
.btn:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 10px 28px rgba(74,124,201,.35)}
.btn.ghost{background:#fff;color:var(--blue);border:2.5px solid var(--blue)}
.btn.ghost:hover{background:var(--blue-l)}
.btn.lg{padding:16px 34px;font-size:17px}
.btn.yellow{background:var(--yellow);color:var(--ink)}
.btn.yellow:hover{background:var(--yellow-d)}

/* ===== hero ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#fbd763 0%,#fce88a 40%,#fff4cc 80%,#fff9e6 100%);color:var(--ink);padding:85px 0 95px}
.hero::before{content:'';position:absolute;top:-80px;right:-120px;width:480px;height:480px;background:radial-gradient(circle,rgba(74,124,201,.12),transparent 65%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-60px;left:-80px;width:360px;height:360px;background:radial-gradient(circle,rgba(251,215,99,.5),transparent 65%);border-radius:50%}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:45px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:48px;line-height:1.1;font-weight:900;letter-spacing:-.8px}
.hero h1 .hl{color:var(--blue)}
.hero p.lead{font-size:18px;opacity:.88;margin:22px 0 32px;max-width:520px;font-weight:500}
.hero .btn{background:var(--blue);color:#fff;font-size:16px}
.hero .btn:hover{background:var(--blue-d)}
.badges{display:flex;gap:30px;flex-wrap:wrap;margin-top:38px}
.badges div{font-size:14px;opacity:.85;font-weight:600}
.badges b{display:block;font-size:24px;font-weight:900;color:var(--blue)}
.hero-art{text-align:center;padding:10px}

/* ===== section titles ===== */
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:36px;font-weight:900;letter-spacing:-.5px}
.section-title p{font-size:17px;color:var(--muted);margin-top:8px;font-weight:500}

/* ===== products ===== */
.products{padding:75px 0}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px}
.prod-card{background:#fff;border:2px solid var(--line);border-radius:24px;overflow:hidden;transition:.25s}
.prod-card:hover{transform:translateY(-6px);box-shadow:0 16px 44px rgba(42,32,8,.1);border-color:var(--yellow)}
.prod-card .thumb{height:200px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--yellow-l),#fff);overflow:hidden}
.prod-card .thumb svg{width:140px;height:140px}
.prod-card .info{padding:20px 22px 24px}
.prod-card h3{font-size:19px;font-weight:800;margin-bottom:6px}
.prod-card p{font-size:14.5px;color:var(--muted);margin-bottom:16px;line-height:1.55}
.prod-card .stars{color:var(--yellow-d);font-size:15px;margin-bottom:4px}
.prod-card .rating{font-size:13px;color:var(--muted);font-weight:600}

/* ===== guides ===== */
.guides{padding:75px 0;background:linear-gradient(180deg,var(--soft) 0%,var(--bg) 100%)}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px}
.guide{background:#fff;border:2px solid var(--line);border-radius:24px;overflow:hidden;transition:.25s}
.guide:hover{transform:translateY(-6px);box-shadow:0 16px 44px rgba(42,32,8,.08)}
.guide .top{height:160px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--blue-l),#eef4fb)}
.guide .top svg{width:90px;height:90px}
.guide .body{padding:22px 24px 26px}
.guide h4{font-size:18px;font-weight:800;margin-bottom:8px}
.guide p{font-size:14.5px;color:var(--muted);margin-bottom:16px;line-height:1.55}
.guide .more{color:var(--blue);font-weight:800;font-size:14.5px;display:inline-flex;align-items:center;gap:4px;transition:.2s}
.guide .more:hover{gap:8px}

/* ===== trust / social proof ===== */
.trust{padding:65px 0;text-align:center}
.trust-bar{display:flex;justify-content:center;gap:50px;flex-wrap:wrap;background:linear-gradient(135deg,var(--yellow),#ffe178);border-radius:24px;padding:32px 40px;border:2px solid var(--yellow-d)}
.trust-bar div{text-align:center}
.trust-bar b{display:block;font-size:32px;font-weight:900;color:var(--blue)}
.trust-bar span{font-size:14px;font-weight:600;color:var(--muted)}

/* ===== CTA banner ===== */
.cta-banner{padding:70px 0;background:linear-gradient(135deg,var(--blue),#5a8ed9);color:#fff;text-align:center}
.cta-banner h2{font-size:36px;font-weight:900;margin-bottom:12px}
.cta-banner p{font-size:18px;opacity:.9;margin-bottom:28px}
.cta-banner .btn{background:var(--yellow);color:var(--ink);font-size:17px}
.cta-banner .btn:hover{background:var(--yellow-d)}

/* ===== FAQ ===== */
.faq{padding:75px 0}
.faq-list{max-width:720px;margin:0 auto}
.faq-item{background:#fff;border:2px solid var(--line);border-radius:18px;margin-bottom:14px;overflow:hidden;transition:.2s}
.faq-item:hover{border-color:var(--yellow)}
.faq-q{padding:20px 24px;font-weight:800;font-size:16.5px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:'+';font-size:24px;font-weight:300;color:var(--blue)}
.faq-a{padding:0 24px 20px;color:var(--muted);font-size:15px;line-height:1.7;display:none}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q::after{content:'−'}

/* ===== footer ===== */
footer{background:var(--dark);color:#ccc;padding:55px 0 30px}
footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
footer h4{color:#fff;font-size:17px;font-weight:800;margin-bottom:16px}
footer p,footer li{font-size:14px;line-height:1.8;opacity:.78}
footer ul{list-style:none}
footer a{opacity:.78;transition:.2s}
footer a:hover{opacity:1;color:var(--yellow)}
footer .logo{color:#fff;font-size:22px;display:block;margin-bottom:10px}
footer .bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:13px;opacity:.55;text-align:center}

/* ===== guide article pages ===== */
.article-hero{background:linear-gradient(135deg,var(--yellow),#ffe178);padding:55px 0 45px}
.article-hero h1{font-size:36px;font-weight:900;letter-spacing:-.5px}
.article-hero p{font-size:16.5px;opacity:.85;margin-top:8px;font-weight:500}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:12px;font-weight:600}
.breadcrumb a{color:var(--blue)}
.article-body{padding:55px 0;max-width:780px;margin:0 auto}
.article-body h2{font-size:26px;font-weight:800;margin:32px 0 14px;color:var(--ink)}
.article-body p{font-size:16px;line-height:1.8;margin-bottom:16px;color:var(--muted)}
.article-body ol,.article-body ul{padding-left:22px;margin-bottom:18px}
.article-body li{font-size:15.5px;line-height:1.8;margin-bottom:8px;color:var(--muted)}
.article-body strong{color:var(--ink)}
.article-body .tip-box{background:var(--blue-l);border:2px solid var(--blue);border-radius:18px;padding:22px 26px;margin:24px 0}
.article-body .tip-box h3{font-size:18px;font-weight:800;color:var(--blue);margin-bottom:8px}
.article-body .warning-box{background:#fff5e6;border:2px solid var(--yellow-d);border-radius:18px;padding:22px 26px;margin:24px 0}
.article-body .warning-box h3{font-size:18px;font-weight:800;color:var(--yellow-d);margin-bottom:8px}
.article-cta{background:linear-gradient(135deg,var(--blue),#5a8ed9);color:#fff;text-align:center;padding:40px;border-radius:24px;margin:40px 0}
.article-cta h3{font-size:24px;font-weight:900;margin-bottom:8px}
.article-cta p{color:rgba(255,255,255,.88);margin-bottom:20px}
.article-cta .btn{background:var(--yellow);color:var(--ink)}

/* guides hub page */
.guides-hub{padding:55px 0}
.guides-hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px;margin-top:36px}
.hub-card{background:#fff;border:2px solid var(--line);border-radius:24px;overflow:hidden;transition:.25s}
.hub-card:hover{transform:translateY(-5px);box-shadow:0 14px 40px rgba(42,32,8,.1)}
.hub-card .hc-thumb{height:180px;display:flex;align-items:center;justify-content:center}
.hub-card .hc-thumb svg{width:110px;height:110px}
.hub-card .hc-info{padding:22px 24px}
.hub-card h3{font-size:19px;font-weight:800;margin-bottom:8px}
.hub-card p{font-size:14.5px;color:var(--muted);line-height:1.6;margin-bottom:14px}
.hub-card .more{color:var(--blue);font-weight:800;font-size:14.5px}

/* ===== animations ===== */
.reveal{opacity:0;transform:translateY(28px);transition:.6s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== responsive ===== */
@media(max-width:768px){
  .hero .wrap{grid-template-columns:1fr;text-align:center}
  .hero h1{font-size:34px}
  .hero-art{order:-1}
  .product-grid{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr 1fr}
  .trust-bar{gap:28px;padding:24px 20px}
  .nav a.lnk{display:none}
}