/* Xinhertz v3 — blue & white light theme, clean and simple */
:root{
  --bg:#ffffff; --bg2:#f3f7ff; --card:#ffffff; --card2:#f8fbff;
  --blue:#0b5ed7; --blue-dark:#0849a8; --blue-soft:rgba(11,94,215,.07);
  --text:#12233f; --muted:#5b7194; --line:#d9e5fa;
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
img{max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}

/* ---------- nav ---------- */
nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;position:relative}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:.5px;color:var(--text)}
.brand img{width:36px;height:36px;border-radius:9px}
.nav-links{display:flex;gap:30px;font-size:15px;align-items:center}
.nav-links a{color:var(--muted);font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue)}
.btn{display:inline-block;background:var(--blue);color:#fff;font-weight:700;padding:11px 24px;border-radius:10px;font-size:15px;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(11,94,215,.3);background:var(--blue-dark)}
.btn-ghost{display:inline-block;border:1px solid var(--blue);color:var(--blue);padding:11px 24px;border-radius:10px;font-size:15px;font-weight:600;transition:background .2s}
.btn-ghost:hover{background:var(--blue-soft)}
.burger{display:none;background:none;border:0;color:var(--text);font-size:26px;cursor:pointer}

/* ---------- hero ---------- */
.hero{padding:88px 0 72px;position:relative;overflow:hidden;text-align:center;background:linear-gradient(180deg,#f3f7ff 0%,#ffffff 100%)}
.hero .kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--blue);border:1px solid var(--line);background:var(--blue-soft);padding:7px 18px;border-radius:999px;margin-bottom:24px}
.hero h1{font-size:50px;line-height:1.18;letter-spacing:.3px;margin-bottom:18px}
.hero h1 span{color:var(--blue)}
.hero p.lead{font-size:18px;color:var(--muted);max-width:660px;margin:0 auto 36px}
.searchbox{display:flex;max-width:620px;margin:0 auto 18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:6px;box-shadow:0 10px 32px rgba(11,94,215,.1)}
.searchbox:focus-within{border-color:var(--blue)}
.searchbox input{flex:1;background:none;border:0;outline:0;color:var(--text);font-size:16px;padding:12px 18px;min-width:0}
.searchbox input::placeholder{color:#9db1d1}
.search-note{font-size:13px;color:#9db1d1;margin-bottom:26px}
.chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.chip{font-size:13px;color:var(--muted);border:1px solid var(--line);padding:7px 16px;border-radius:999px;transition:all .2s;background:#fff}
a.chip:hover{color:var(--blue);border-color:var(--blue)}

/* ---------- brand wall ---------- */
.brand-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:32px}
.brand-card{background:#fff;border:2px solid var(--blue);border-radius:var(--radius);padding:32px 20px;text-align:center;transition:transform .18s,box-shadow .18s}
.brand-card:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(11,94,215,.14)}
.brand-card .bname{font-size:26px;font-weight:800;letter-spacing:.5px;color:var(--text)}
.brand-card .bfull{font-size:14px;color:var(--muted);margin-top:6px}
.brand-card .btag{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#fff;background:var(--blue);padding:5px 14px;border-radius:999px}
.brand-more{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:18px}
.brand-wall.all-brands{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.brand-wall.all-brands .brand-card{padding:22px 12px}
.brand-wall.all-brands .bname{font-size:19px}
.brand-wall.all-brands .bfull{font-size:12px}
.brand-wall.all-brands .brand-card{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:120px}
.brand-wall.all-brands .brand-card img{max-width:84%;max-height:54px;width:auto;height:auto;object-fit:contain}
.brand-wall.all-brands .brand-card .btag{margin-top:10px}
.disclaimer{font-size:12.5px;color:#9db1d1;text-align:center;max-width:720px;margin:0 auto}

/* ---------- trust strip ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:26px 24px;max-width:1140px;margin:0 auto}
.trust-item{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.trust-item .ticon{font-size:22px;flex-shrink:0}

/* ---------- sections ---------- */
section{padding:68px 0}
section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2.sec{font-size:31px;text-align:center;margin-bottom:10px;letter-spacing:.2px}
h2.sec span{color:var(--blue)}
p.sec-sub{text-align:center;color:var(--muted);max-width:700px;margin:0 auto 44px;font-size:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .18s,border-color .18s,box-shadow .18s}
.card:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 14px 36px rgba(11,94,215,.12)}
.card .cicon{width:52px;height:52px;border-radius:14px;background:var(--blue-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:24px}
.card h3{font-size:18px;margin-bottom:10px}
.card h3 a{color:var(--text)}
.card h3 a:hover{color:var(--blue)}
.card p{color:var(--muted);font-size:14.5px}
.card .more{display:inline-block;margin-top:14px;font-size:14px;font-weight:600}

/* ---------- page hero ---------- */
.page-hero{padding:64px 0 44px;text-align:center;background:linear-gradient(180deg,#f3f7ff 0%,#ffffff 100%)}
.page-hero h1{font-size:40px;margin-bottom:12px}
.page-hero h1 span{color:var(--blue)}
.page-hero p{color:var(--muted);max-width:640px;margin:0 auto;font-size:17px}
.crumb{font-size:13px;color:#9db1d1;margin-bottom:16px}
.crumb a{color:#9db1d1}

/* ---------- product blocks ---------- */
.cat-block{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px;margin-bottom:24px;display:grid;grid-template-columns:72px 1fr;gap:28px;align-items:start;box-shadow:0 4px 18px rgba(11,94,215,.05)}
.cat-block .cicon{width:72px;height:72px;border-radius:18px;background:var(--blue-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:32px}
.cat-block h3{font-size:22px;margin-bottom:10px}
.cat-block p{color:var(--muted);font-size:15px;margin-bottom:14px}
.tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{font-size:12.5px;color:var(--blue);background:var(--blue-soft);border:1px solid var(--line);padding:5px 12px;border-radius:999px}

/* ---------- news feed ---------- */
.feed-head{display:flex;align-items:baseline;justify-content:space-between;max-width:860px;margin:0 auto 8px}
.feed-day{font-size:15px;font-weight:700;letter-spacing:.5px}
.feed-count{font-size:13px;color:var(--muted)}
.feed-count span{color:var(--blue);font-weight:700}
.feed-list{counter-reset:brief;max-width:860px;margin:0 auto}
.feed-item{counter-increment:brief;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:18px;transition:border-color .18s,box-shadow .18s;box-shadow:0 4px 18px rgba(11,94,215,.05)}
.feed-item:hover{border-color:var(--blue);box-shadow:0 10px 30px rgba(11,94,215,.1)}
.feed-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.feed-num{width:30px;height:30px;border-radius:50%;background:var(--blue-soft);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--blue);flex-shrink:0}
.feed-num::before{content:counter(brief)}
.feed-time{font-size:13px;color:var(--muted)}
.feed-src{font-size:12px;font-weight:700;letter-spacing:.6px;color:var(--blue);border:1px solid var(--line);background:var(--blue-soft);padding:4px 12px;border-radius:999px}
.feed-tag{font-size:12px;color:var(--muted);border:1px solid var(--line);padding:4px 12px;border-radius:999px}
.feed-title{font-size:20px;line-height:1.4;margin-bottom:12px;color:var(--text)}
.feed-body{color:#33475f;font-size:15px;margin:0 0 16px}
.feed-body p{margin-bottom:12px}
.feed-body p:last-child{margin-bottom:0}
.feed-foot{border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:#9db1d1}
.feed-foot a{word-break:break-all}

/* ---------- form ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px;max-width:680px;margin:0 auto;box-shadow:0 8px 30px rgba(11,94,215,.07)}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--muted);margin-bottom:8px}
.field input,.field textarea,.field select{width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--text);font-size:15px;padding:13px 16px;outline:0;font-family:inherit}
.field input:focus,.field textarea:focus{border-color:var(--blue)}
.field textarea{min-height:130px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact-methods{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:48px}
.method{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;transition:border-color .2s}
.method:hover{border-color:var(--blue)}
.method .m-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:8px}
.method .m-value{font-size:17px;font-weight:700;color:var(--text);overflow-wrap:break-word}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(135deg,#0b5ed7,#0849a8);text-align:center;padding:68px 0;color:#fff}
.cta-band h2{font-size:32px;margin-bottom:12px;color:#fff}
.cta-band p{color:rgba(255,255,255,.82);margin-bottom:32px;font-size:17px}
.cta-band .btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-band .btn{background:#fff;color:var(--blue-dark)}
.cta-band .btn:hover{background:#f0f5ff;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:60px}
.about-grid img{border-radius:20px;border:1px solid var(--line);width:100%}
.about-grid p{color:var(--muted);margin-bottom:16px;font-size:16px}
.check{list-style:none;margin-top:12px}
.check li{padding:9px 0 9px 32px;position:relative;font-size:15.5px}
.check li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:800}

/* ---------- footer ---------- */
footer{padding:52px 0 40px;border-top:1px solid var(--line);background:var(--bg2)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:12px;max-width:300px}
.foot-col h4{font-size:14px;text-transform:uppercase;letter-spacing:1px;color:var(--text);margin-bottom:16px}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0}
.foot-col a:hover{color:var(--blue)}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:20px 24px;gap:18px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(11,94,215,.08)}
  .nav-links.open{display:flex}
  .burger{display:block}
  .nav-cta{display:none}
  .hero h1{font-size:34px}
  .trust-inner{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .form-card{padding:28px 22px}
  .cat-block{grid-template-columns:1fr;padding:28px}
  .brand-wall{grid-template-columns:1fr}
}
@media(max-width:560px){
  .foot-grid{grid-template-columns:1fr}
  .searchbox{flex-direction:column;gap:6px}
  .searchbox .btn{width:100%}
}

/* news pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin:28px auto;max-width:860px;flex-wrap:wrap}
.pagination a{color:var(--blue);text-decoration:none;font-weight:600}
.pagination a:hover{text-decoration:underline}
.pg-nums{display:flex;gap:10px}
.pg-cur{font-weight:800;text-decoration:underline}
.pg-dis{color:#9aa3b2}
.pg-info{color:#666;font-size:.9em}