/*
 Theme Name: Ober
 Description: Commercial kitchen equipment manufacturer & exporter — B2B foreign-trade theme (deep red / black / cream brand system).
 Version: 1.0.0
 Author: Ober
 Author URI: https://ober.example.com
 Text Domain: ober
 Tags: custom-colors, custom-logo, featured-images, responsive-layout, accessibility-ready
*/

/* ============================================================
   Ober · 外贸 B2B 商厨设备厂家官网 — 设计系统
   品牌色：深红 #a6192e + 黑 #000 + 白 #fff + 奶油 #fff1e2 + 浅棕 #f5d4b7
   风格：工业质感、强对比、克制留白
   ============================================================ */
:root{
  --red:#a6192e;
  --red-d:#871424;
  --ink:#16110f;          /* 近黑（暖）*/
  --muted:#75655a;        /* 暖灰，适配奶油底 */
  --line:#ecd9c6;         /* 暖色描边 */
  --bg:#ffffff;
  --bg-soft:#fff1e2;      /* 奶油 */
  --bg-soft-2:#f5d4b7;    /* 浅棕 */
  --black:#0b0b0b;
  --black-2:#1c1c1c;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(22,17,15,.06),0 2px 8px rgba(22,17,15,.05);
  --shadow-md:0 8px 24px rgba(22,17,15,.10);
  --shadow-lg:0 24px 60px rgba(22,17,15,.16);
  --maxw:1160px;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  font-size:15px;font-weight:600;padding:10px 18px;border-radius:10px;
  border:1px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap}
.btn-lg{padding:14px 26px;font-size:16px;border-radius:12px}
.btn-block{width:100%}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(166,25,46,.32)}
.btn-primary:hover{background:var(--red-d);transform:translateY(-1px);box-shadow:0 10px 24px rgba(166,25,46,.38)}
.btn-ghost{color:var(--ink);background:transparent}
.btn-ghost:hover{color:var(--red)}
.btn-outline{background:#fff;color:var(--red);border-color:var(--line)}
.btn-outline:hover{border-color:var(--red);background:var(--bg-soft)}

/* ===== Header ===== */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;transition:.25s ease;
  background:rgba(255,255,255,0);border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-mark{display:inline-flex}
.brand-name{font-size:19px;color:var(--ink);letter-spacing:.4px;font-weight:800}
.nav-links{display:flex;gap:24px;margin-left:auto;font-size:15px}
.nav-links a{position:relative;padding:6px 0;color:var(--muted);font-weight:500;transition:.2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:.2s}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}

/* ===== Hero ===== */
.hero{position:relative;padding:140px 0 90px;background:
  radial-gradient(1100px 480px at 82% -12%,rgba(166,25,46,.14),transparent 60%),
  linear-gradient(180deg,#fff1e2 0%,#FFFFFF 72%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.5px;
  color:var(--red);background:rgba(166,25,46,.10);padding:5px 12px;border-radius:999px}
.hero-copy h1{font-size:44px;line-height:1.18;color:var(--ink);margin:18px 0 16px;letter-spacing:-.5px}
.hero-copy h1 strong{color:var(--red)}
.lede{font-size:18px;color:var(--muted);max-width:540px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-trust{display:flex;gap:30px;list-style:none;flex-wrap:wrap}
.hero-trust li{font-size:14px;color:var(--muted)}
.hero-trust strong{display:block;font-size:22px;color:var(--ink)}

/* Hero 产品总览面板 */
.hero-visual{position:relative}
.product-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:18px}
.pp-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;
  font-size:14px;font-weight:700;color:var(--ink)}
.pp-head a{color:var(--red);font-weight:600;font-size:13px}
.pp-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pp-tile{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--line);
  border-radius:12px;background:var(--bg-soft);transition:.2s;color:var(--ink);font-weight:600;font-size:14px}
.pp-tile:hover{border-color:var(--red);background:#fff;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.pp-ico{width:40px;height:40px;flex:none;display:grid;place-items:center;border-radius:10px;
  background:#fff;border:1px solid var(--line);color:var(--red)}
.pp-ico svg{width:24px;height:24px}
.pp-img{width:46px;height:46px;flex:none;border-radius:10px;object-fit:cover;background:#fff;border:1px solid var(--line)}
.float-card{position:absolute;display:flex;align-items:center;gap:10px;background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:10px 14px;box-shadow:var(--shadow-md)}
.float-card .fc-ico{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;font-size:16px;background:var(--bg-soft-2)}
.fc-1{top:34%;left:-26px;animation:float 5s ease-in-out infinite}
.fc-2{bottom:12%;right:-22px;animation:float 6s ease-in-out infinite .6s}
.float-card b{display:block;font-size:13px;color:var(--ink)}
.float-card small{font-size:11px;color:var(--muted)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ===== Stats bar ===== */
.logos{padding:38px 0;border-bottom:1px solid var(--line);background:#fff}
.logos-label{text-align:center;font-size:13px;color:var(--muted);margin-bottom:22px;letter-spacing:.3px}
.logo-row{display:flex;flex-wrap:wrap;justify-content:center;gap:18px 48px}
.stats-row{gap:18px 56px}
.stat{text-align:center;min-width:150px}
.stat b{display:block;font-size:40px;font-weight:800;color:var(--ink);letter-spacing:-1px;line-height:1}
.stat small{font-size:13px;color:var(--muted)}

/* ===== Sections ===== */
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:700px;margin:0 auto 48px;text-align:center}
.section-head h2{font-size:32px;color:var(--ink);margin:14px 0 12px;letter-spacing:-.3px}
.section-head p{font-size:17px;color:var(--muted)}

/* ===== Product cards ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow-sm);transition:.22s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#e7b7a3}
.product-ico{width:54px;height:54px;border-radius:13px;display:grid;place-items:center;
  background:var(--bg-soft-2);color:var(--red);margin-bottom:16px}
.product-ico svg{width:30px;height:30px}
.product-media{height:184px;border-radius:12px;overflow:hidden;margin-bottom:18px;background:var(--bg-soft)}
.product-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.card:hover .product-media img{transform:scale(1.05)}
.card h3{font-size:19px;color:var(--ink);margin-bottom:8px}
.card p{font-size:15px;color:var(--muted);margin-bottom:14px}
.feat{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:18px;flex:1}
.feat li{font-size:14px;color:var(--ink);padding-left:22px;position:relative}
.feat li::before{content:"✓";position:absolute;left:0;top:0;color:var(--red);font-weight:700}
.card-link{font-size:14px;font-weight:700;color:var(--red)}
.card-link:hover{text-decoration:underline}

/* ===== Applications ===== */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.app{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:.22s}
.app:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.app-ico{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;font-size:26px;
  background:var(--bg-soft-2);margin-bottom:16px}
.app h3{font-size:19px;color:var(--ink);margin-bottom:8px}
.app p{font-size:15px;color:var(--muted);margin-bottom:16px}
.app-tags{display:flex;flex-wrap:wrap;gap:8px}
.app-tags span{font-size:12px;color:var(--red);background:rgba(166,25,46,.10);padding:4px 10px;border-radius:999px}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.about-copy h2{font-size:30px;color:var(--ink);margin:14px 0 14px;letter-spacing:-.3px}
.about-copy p{font-size:16px;color:var(--muted);margin-bottom:20px}
.about-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.about-list li{font-size:15px;color:var(--ink);padding-left:26px;position:relative}
.about-list li::before{content:"▸";position:absolute;left:0;color:var(--red);font-weight:700}
.about-list b{color:var(--ink)}
.factory-card{background:linear-gradient(135deg,var(--black),var(--black-2));border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-lg);color:#fff}
.fc-row{display:flex;justify-content:space-between;align-items:center;padding:15px 4px;
  border-bottom:1px solid rgba(255,255,255,.14);font-size:15px}
.fc-row:last-child{border-bottom:0}
.fc-row span{color:#d8c4b6}
.fc-row b{font-size:17px;color:#fff}

/* ===== Why Us ===== */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:.22s}
.why:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.why-ico{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;font-size:24px;
  background:var(--bg-soft-2);margin-bottom:16px}
.why h3{font-size:18px;color:var(--ink);margin-bottom:8px}
.why p{font-size:15px;color:var(--muted)}

/* ===== Certifications ===== */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;text-align:center;box-shadow:var(--shadow-sm)}
.cert-badge{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,var(--red),var(--black));color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.cert p{font-size:14px;color:var(--muted)}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px;transition:.2s}
.faq details[open]{box-shadow:var(--shadow-sm)}
.faq summary{list-style:none;cursor:pointer;font-weight:600;color:var(--ink);
  padding:18px 0;display:flex;justify-content:space-between;align-items:center;font-size:15px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--muted);font-weight:400;transition:.2s}
.faq details[open] summary::after{content:"−";color:var(--red)}
.faq p{padding:0 0 18px;color:var(--muted);font-size:15px}

/* ===== Inquiry CTA ===== */
.cta{background:linear-gradient(120deg,var(--black),var(--red));padding:84px 0;color:#fff}
.cta-inner{text-align:center;max-width:720px;margin:0 auto}
.cta h2{font-size:34px;margin-bottom:12px;letter-spacing:-.3px}
.cta p{font-size:17px;color:#f3ddd0;margin-bottom:30px}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left;
  background:rgba(255,255,255,.10);padding:22px;border-radius:18px;border:1px solid rgba(255,255,255,.18)}
.cta-form input,.cta-form select,.cta-form textarea{padding:13px 16px;border-radius:11px;border:0;
  font-size:15px;font-family:inherit;width:100%;background:#fff;color:var(--ink)}
.cta-form textarea{grid-column:1 / -1;resize:vertical}
.cta-form .btn{grid-column:1 / -1}
.cta-contact{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 28px;margin-top:24px;font-size:14px;color:#f3ddd0}
.cta-contact span{display:inline-flex;align-items:center;gap:6px}
.form-note{background:rgba(255,255,255,.16);color:#fff;padding:12px 16px;border-radius:10px;margin-bottom:18px;font-size:15px;text-align:left}
.form-note--err{background:rgba(255,90,90,.24)}
.hp-field{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ===== Footer ===== */
.site-footer{background:var(--black);color:#d8c4b6;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:28px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;margin-top:12px;color:#b9a89b}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:#b9a89b;padding:5px 0;transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#9a8b7e}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy h1{font-size:38px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .app-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    background:#fff;padding:16px 24px;gap:4px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md)}
  .nav-links.open a{padding:12px 0;border-bottom:1px solid var(--line)}
  .hero{padding:118px 0 60px}
  .hero-copy h1{font-size:30px}
  .lede{font-size:16px}
  .pp-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr 1fr}
  .cta-form{grid-template-columns:1fr}
  .section{padding:60px 0}
  .section-head h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* ===== Subpage hero & components ===== */
.page-hero{padding:132px 0 54px;background:radial-gradient(900px 360px at 80% -20%,rgba(166,25,46,.12),transparent 60%),linear-gradient(180deg,#fff1e2,#fff);text-align:center}
.page-hero h1{font-size:42px;color:var(--ink);letter-spacing:-.5px;margin:14px 0 12px}
.page-hero p{font-size:18px;color:var(--muted);max-width:640px;margin:0 auto}
.news-meta{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}
.news-meta .cat{color:var(--red);font-weight:700;background:rgba(166,25,46,.10);padding:3px 10px;border-radius:999px}
.news-meta .date{color:var(--muted)}
.case-stats{display:flex;gap:22px;flex-wrap:wrap;margin:16px 0 4px}
.case-stats div b{display:block;font-size:22px;color:var(--red);line-height:1}
.case-stats div small{font-size:12px;color:var(--muted)}
.region-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.region{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;box-shadow:var(--shadow-sm);font-weight:600;color:var(--ink)}
@media(max-width:980px){.region-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.region-grid{grid-template-columns:1fr}.page-hero h1{font-size:30px}}