/*
Theme Name: SUNYU B2B Theme
Theme URI: https://www.sunyu-ev.com
Author: Shandong Sunyu Industry Co., Ltd.
Description: B2B new-energy electric vehicle export website theme for SUNYU. Includes hero, grouped model lineup (high-speed EVs, EEC COC city EVs, shuttles, golf carts, tricycles), about, certificates, cooperation, global markets and inquiry form sections.
Version: 2.0.0
Requires at least: 6.0
License: GPL v2 or later
Text Domain: sunyu-b2b
*/

:root{
  --bg:#0a0f0c; --bg2:#0e1611; --card:#121c15; --line:rgba(255,255,255,.08);
  --txt:#eef5f0; --muted:#9db3a6; --accent:#22c55e; --accent2:#16a34a;
  --grad:linear-gradient(135deg,#4ade80 0%,#16a34a 100%);
  --radius:16px; --max:1200px;
  font-size:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:#fff;color:#14181f;line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h2.sec{font-size:2.2rem;font-weight:800;letter-spacing:-.02em;text-align:center;color:#0c130e}
p.sec-sub{text-align:center;color:#5b6472;max-width:680px;margin:12px auto 0}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}

/* ============ TOP BAR ============ */
.topbar{background:#071009;color:#93a89a;font-size:.78rem;border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a:hover{color:var(--accent)}

/* ============ NAV ============ */
header.nav{position:sticky;top:0;z-index:100;background:rgba(10,15,12,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.15rem;letter-spacing:.14em}
.logo .mark{width:34px;height:34px;border-radius:9px;background:var(--grad);display:grid;place-items:center;color:#04140a;font-weight:900;font-size:1.05rem}
.logo small{display:block;font-size:.58rem;font-weight:500;color:var(--muted);letter-spacing:.22em}
nav.menu{display:flex;gap:26px}
nav.menu a{color:#c9d6cd;font-size:.92rem;font-weight:500;transition:.2s}
nav.menu a:hover{color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:14px}
.lang{color:var(--muted);font-size:.85rem}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;font-weight:700;cursor:pointer;transition:.25s;border:none;font-size:.95rem}
.btn-sm{padding:9px 20px;font-size:.85rem}
.btn-grad{background:var(--grad);color:#04140a}
.btn-grad:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#eef5f0;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-dark{background:#0c130e;color:#fff}
.btn-dark:hover{background:#1a2920}

/* ============ HERO ============ */
.hero{position:relative;background:radial-gradient(1100px 520px at 72% -10%,rgba(34,197,94,.26),transparent 60%),radial-gradient(900px 420px at 12% 115%,rgba(22,163,74,.18),transparent 55%),linear-gradient(180deg,#0a0f0c 0%,#0d1a12 100%);color:#fff;overflow:hidden}
.hero-grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(700px 420px at 50% 40%,#000,transparent)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:90px;padding-bottom:80px}
.hero .badge{background:rgba(34,197,94,.12);color:var(--accent);border:1px solid rgba(34,197,94,.35);margin-bottom:22px}
.hero h1{font-size:3.3rem;line-height:1.08;font-weight:900;letter-spacing:-.03em}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:1.08rem;margin:20px 0 32px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-actions .btn{padding:14px 30px}

/* hero vehicle visual (placeholder — replace with real product photo) */
.hero-visual{position:relative}
.stage{position:relative;border-radius:24px;background:linear-gradient(160deg,#12211a 0%,#0a120e 100%);border:1px solid var(--line);padding:36px 30px 30px;box-shadow:0 40px 90px rgba(0,0,0,.5)}
.stage .glow{position:absolute;inset:auto 10% 8% 10%;height:60px;background:radial-gradient(50% 100% at 50% 50%,rgba(34,197,94,.4),transparent 70%);filter:blur(18px)}
.car-ph{position:relative;z-index:2}
.car-ph svg{width:100%;height:auto}
.stage-caption{display:flex;justify-content:space-between;align-items:center;margin-top:18px;position:relative;z-index:2}
.stage-caption .name{font-weight:800;font-size:1.2rem}
.stage-caption .tags{display:flex;gap:8px}
.stage-caption .tag{font-size:.68rem;padding:4px 10px;border-radius:6px;background:rgba(255,255,255,.08);border:1px solid var(--line);color:#c9d6cd;font-weight:600;letter-spacing:.05em}
.hero-specs{position:absolute;right:-14px;top:-20px;background:rgba(12,19,14,.9);border:1px solid var(--line);backdrop-filter:blur(8px);border-radius:14px;padding:14px 18px;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.hero-specs .v{font-weight:900;font-size:1.35rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-specs .k{font-size:.68rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}

/* ============ STATS ============ */
.stats{background:#0a0f0c;color:#fff;padding:0 0 70px}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent)}
.stat .num{font-size:2.3rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{color:var(--muted);font-size:.86rem;margin-top:4px}

/* ============ MODELS ============ */
.models{padding:90px 0;background:#fff}
.cat-head{display:flex;align-items:center;gap:14px;margin:56px 0 8px}
.cat-head:first-of-type{margin-top:48px}
.cat-head .chip{background:var(--grad);color:#04140a;font-weight:800;font-size:.78rem;letter-spacing:.1em;padding:6px 16px;border-radius:999px;text-transform:uppercase}
.cat-head .note{color:#8a93a5;font-size:.84rem}
.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:24px}
.model-card{border:1px solid #e7eaf1;border-radius:var(--radius);overflow:hidden;background:#fff;transition:.3s;display:flex;flex-direction:column}
.model-card:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(12,19,14,.12);border-color:transparent}
.model-media{position:relative;aspect-ratio:4/3;background:linear-gradient(150deg,#eef6f0 0%,#dcecdf 100%);display:grid;place-items:center}
.model-media .code{font-size:2.2rem;font-weight:900;letter-spacing:-.02em;color:rgba(12,19,14,.16);text-align:center;padding:0 10px}
.model-media .cat{position:absolute;top:12px;left:12px;background:#0c130e;color:#fff;font-size:.64rem;font-weight:700;letter-spacing:.08em;padding:4px 10px;border-radius:6px}
.model-media .eec{position:absolute;top:12px;right:12px;background:rgba(34,197,94,.15);color:#15803d;border:1px solid rgba(34,197,94,.4);font-size:.64rem;font-weight:700;padding:4px 10px;border-radius:6px;letter-spacing:.06em}
.model-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.model-body h3{font-size:1.12rem;font-weight:800}
.model-body .desc{font-size:.8rem;color:#5b6472;min-height:38px}
.spec-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto}
.spec{background:#f3f8f4;border-radius:8px;padding:8px 10px}
.spec .k{font-size:.62rem;color:#8a93a5;text-transform:uppercase;letter-spacing:.07em}
.spec .v{font-size:.84rem;font-weight:800;color:#0c130e}
.model-body .size{font-size:.72rem;color:#8a93a5;margin-top:6px}
.model-body .link{margin-top:12px;font-size:.85rem;font-weight:700;color:var(--accent2);display:inline-flex;gap:6px;align-items:center}

/* ============ ABOUT ============ */
.about{padding:90px 0;background:linear-gradient(180deg,#0a0f0c,#0d1a12);color:#fff}
.about h2.sec{color:#fff;text-align:left}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;margin-top:24px}
.about p{color:var(--muted);font-size:.95rem;margin-bottom:16px}
.about .lead-p{color:#dbe7de;font-size:1.05rem}
.about-img{border-radius:20px;border:1px solid var(--line);overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.45)}
.about-img img{width:100%;height:100%;object-fit:cover}

/* ============ CERTS ============ */
.certs{padding:90px 0;background:linear-gradient(135deg,#0f8a3d 0%,#16a34a 55%,#0f8a3d 100%);color:#fff;position:relative;overflow:hidden}
.certs::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 15% 15%,rgba(255,255,255,.14),transparent 60%)}
.certs .wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.certs h2{font-size:2.3rem;font-weight:900;letter-spacing:-.02em;line-height:1.15}
.certs .sub{color:rgba(255,255,255,.85);margin-top:14px;font-size:.95rem}
.cert-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:32px}
.cert-item{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:14px 16px;font-size:.86rem;font-weight:600;backdrop-filter:blur(4px)}
.cert-item small{display:block;font-weight:400;font-size:.72rem;color:rgba(255,255,255,.75);margin-top:2px}
.certs-img{border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.25);box-shadow:0 30px 70px rgba(0,0,0,.35)}
.certs-img img{width:100%;object-fit:cover}

/* ============ SERVICES ============ */
.services{padding:90px 0;background:#fff}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:48px}
.svc{border-radius:var(--radius);padding:28px 24px;background:#f4f9f5;border:1px solid #e2eee5;transition:.3s}
.svc:hover{background:#0c130e;color:#fff;transform:translateY(-4px)}
.svc:hover .num-t{color:var(--accent)}
.svc .num-t{font-size:.78rem;font-weight:900;letter-spacing:.14em;color:#9db3a6}
.svc h3{font-size:1.1rem;font-weight:800;margin:12px 0 10px}
.svc p{font-size:.86rem;color:#5b6472;transition:.3s}
.svc:hover p{color:#b3c7ba}
.svc .opts{font-size:.74rem;color:#8a93a5;margin-top:10px;line-height:1.7}
.svc:hover .opts{color:#8fa89a}

/* ============ GLOBAL ============ */
.global{padding:90px 0;background:#0a0f0c;color:#fff;position:relative;overflow:hidden}
.global::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 400px at 80% 20%,rgba(34,197,94,.16),transparent 60%)}
.global .wrap{position:relative}
.global-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.region-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:36px}
.region{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:rgba(255,255,255,.03)}
.region b{display:block;font-size:.95rem}
.region span{font-size:.78rem;color:var(--muted)}
.map-ph{border:1px solid var(--line);border-radius:20px;background:linear-gradient(160deg,#0f1c14,#0a120d);padding:30px;position:relative;min-height:340px;display:grid;place-items:center}
.map-ph svg{width:100%;max-width:420px;height:auto;opacity:.9}
.map-ph .cap{position:absolute;bottom:16px;left:0;right:0;text-align:center;font-size:.72rem;color:var(--muted);letter-spacing:.1em}

/* ============ PROCESS ============ */
.process{padding:90px 0;background:#fff}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:52px;counter-reset:step}
.step{position:relative;padding:26px 20px;border-radius:var(--radius);background:#f4f9f5;border:1px solid #e2eee5}
.step::before{counter-increment:step;content:"0" counter(step);font-size:2rem;font-weight:900;color:transparent;-webkit-text-stroke:1.4px #b9d4c3}
.step h4{margin-top:14px;font-size:.98rem;font-weight:800}
.step p{font-size:.8rem;color:#5b6472;margin-top:6px}

/* ============ CTA / INQUIRY ============ */
.cta{padding:90px 0;background:linear-gradient(135deg,#0a0f0c 0%,#10241a 60%,#0a0f0c 100%);color:#fff;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 20% 100%,rgba(34,197,94,.15),transparent 60%)}
.cta .wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta h2{font-size:2.4rem;font-weight:900;letter-spacing:-.02em;line-height:1.15}
.cta .contact-list{margin-top:30px;display:grid;gap:14px;font-size:.95rem}
.cta .contact-list div{display:flex;gap:12px;align-items:center;color:#c9d6cd}
.cta .contact-list .ic{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid var(--line);display:grid;place-items:center;font-size:1rem}
.cta .todo{color:#fbbf24;font-size:.78rem}
.form-card{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:20px;padding:34px;backdrop-filter:blur(10px)}
.form-card h3{font-size:1.25rem;font-weight:800;margin-bottom:6px}
.form-card .hint{font-size:.82rem;color:var(--muted);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
label{font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:6px}
input,select,textarea{width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:10px;padding:12px 14px;color:#fff;font-size:.92rem;font-family:inherit;outline:none;transition:.2s}
input:focus,select:focus,textarea:focus{border-color:var(--accent);background:rgba(34,197,94,.05)}
select option{color:#14181f}
textarea{min-height:96px;resize:vertical}
.form-card .btn{width:100%;justify-content:center;padding:14px;margin-top:18px}

/* ============ FOOTER ============ */
footer{background:#071009;color:#93a89a;padding:64px 0 0;font-size:.86rem}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
footer h4{color:#fff;font-size:.95rem;margin-bottom:16px}
footer a{display:block;padding:5px 0;transition:.2s}
footer a:hover{color:var(--accent)}
.foot-brand p{max-width:300px;margin-top:14px}
.foot-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.76rem}

@media (max-width:1024px){
  nav.menu{display:none}
  .hero .wrap{grid-template-columns:1fr;padding-top:60px}
  .model-grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .global-inner,.cta .wrap,.about-grid,.certs .wrap{grid-template-columns:1fr}
  .hero h1{font-size:2.5rem}
}
@media (max-width:640px){
  .model-grid,.svc-grid,.steps,.region-list,.form-grid,.cert-list{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
}

/* ---- v2.1.0: backend-managed model photos ---- */
.model-media img.model-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.model-media .cat,.model-media .eec,.model-media .code{z-index:2}

/* ---- v2.2.0: news / blog articles ---- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e4ece6;border-radius:16px;overflow:hidden;text-decoration:none;transition:transform .25s,box-shadow .25s}
.post-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(22,163,74,.14)}
.post-media{position:relative;aspect-ratio:16/9;background:linear-gradient(150deg,#eef6f0,#dcecdf);overflow:hidden}
.post-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.post-noimg{position:absolute;inset:0;display:grid;place-items:center;font-weight:900;letter-spacing:.2em;color:rgba(12,19,14,.14);font-size:1.4rem}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px}
.post-meta{font-size:.76rem;color:#8a93a5;letter-spacing:.06em;text-transform:uppercase}
.post-body h3{font-size:1.08rem;line-height:1.4;color:#0c130e;margin:0}
.post-body .desc{font-size:.9rem;color:#5a6772;margin:0}
.post-body .link{color:var(--accent2,#15803d);font-weight:700;font-size:.88rem;margin-top:auto}
.pagination{margin-top:40px;display:flex;justify-content:center;gap:6px}
.pagination .page-numbers{display:inline-grid;place-items:center;min-width:40px;height:40px;padding:0 12px;border:1px solid #e4ece6;border-radius:10px;color:#3a4354;text-decoration:none}
.pagination .page-numbers.current{background:var(--grad);color:#04140a;border-color:transparent;font-weight:800}
/* single post */
.single-post{max-width:820px;margin:0 auto}
.post-hero{text-align:left;margin-bottom:28px}
.post-kicker{display:inline-block;background:var(--grad);color:#04140a;font-weight:800;font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;padding:5px 14px;border-radius:999px;margin-bottom:16px}
.post-hero h1{font-size:2.2rem;line-height:1.25;margin:0 0 14px;color:#0c130e}
.post-hero .post-meta{display:flex;gap:10px;color:#8a93a5;font-size:.86rem}
.post-cover{border-radius:16px;overflow:hidden;margin:0 0 32px}
.post-cover img{width:100%;display:block}
.post-content{font-size:1.02rem;line-height:1.85;color:#3a4354}
.post-content h2{font-size:1.5rem;color:#0c130e;margin:40px 0 14px}
.post-content h3{font-size:1.2rem;color:#0c130e;margin:32px 0 12px}
.post-content p{margin:0 0 18px}
.post-content ul,.post-content ol{margin:0 0 18px;padding-left:22px}
.post-content li{margin-bottom:8px}
.post-content img{max-width:100%;height:auto;border-radius:12px}
.post-content a{color:#15803d;text-decoration:underline}
.post-content blockquote{border-left:4px solid var(--accent2,#22c55e);background:#f4f8f5;margin:0 0 18px;padding:14px 20px;border-radius:0 12px 12px 0;color:#43534b}
.post-content table{width:100%;border-collapse:collapse;margin:0 0 18px}
.post-content th,.post-content td{border:1px solid #e4ece6;padding:10px 12px;text-align:left}
.post-content th{background:#f4f8f5}
.post-footer-cta{margin-top:48px;background:#0c130e;color:#dfe9e2;border-radius:16px;padding:28px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.post-footer-cta p{margin:0;max-width:520px}
.edit-link{margin-top:16px;font-size:.84rem}
@media (max-width:900px){.post-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.post-grid{grid-template-columns:1fr}.post-hero h1{font-size:1.6rem}}

/* ---- v2.3.0: blog comments ---- */
.comments-area{margin-top:56px;border-top:1px solid #e4ece6;padding-top:36px}
.comments-title,.comment-reply-title{font-size:1.3rem;font-weight:800;color:#0c130e;margin:0 0 22px}
.comment-list{list-style:none;padding:0;margin:0 0 32px}
.comment-list .comment{list-style:none}
.comment-list ol.children{list-style:none;margin:0 0 0 48px;padding-left:0;border-left:2px solid #e4ece6;padding-left:20px}
.comment-body{background:#f7faf7;border:1px solid #e4ece6;border-radius:12px;padding:16px 18px;margin-bottom:14px}
.comment-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.comment-author{display:flex;align-items:center;gap:10px;font-weight:700;color:#0c130e}
.comment-author img{border-radius:50%}
.comment-metadata{font-size:.76rem;color:#8a93a5}
.comment-metadata a{color:#8a93a5}
.comment-content{font-size:.95rem;color:#3a4354;line-height:1.7}
.comment-content p{margin:0 0 8px}
.comment-content p:last-child{margin:0}
.reply a{font-size:.8rem;font-weight:700;color:#15803d}
.no-comments{color:#8a93a5;font-size:.92rem}
.comment-notes{color:#8a93a5;font-size:.86rem;margin-bottom:14px}
.comment-form p{margin:0 0 16px}
.comment-form label{display:block;font-weight:600;font-size:.9rem;color:#0c130e;margin-bottom:6px}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;max-width:640px;padding:11px 14px;border:1px solid #d8e2da;border-radius:10px;font:inherit;font-size:.95rem;background:#fff;color:#14181f}
.comment-form input:focus,.comment-form textarea:focus{outline:2px solid rgba(34,197,94,.35);border-color:var(--accent2,#16a34a)}
.comment-form .submit{cursor:pointer}
.comment-form .submit:hover{filter:brightness(1.06)}
.comment-form-cookies-consent{display:flex;align-items:flex-start;gap:8px;font-size:.84rem;color:#5a6772}
.comment-form-cookies-consent input[type=checkbox]{margin-top:4px}
@media (max-width:600px){.comment-list ol.children{margin-left:20px;padding-left:12px}}