/* ============ YASPECO 官网样式（EN/AR 共用，RTL via logical properties） ============ */
:root{
  --brand:#9e1b1b; --brand-dark:#7a1414; --gold:#e8a33d; --gold-dark:#c9862a;
  --cream:#fdfaf1; --ink:#242424; --ink-soft:#555; --line:#e6e2d8;
  --radius:14px; --shadow:0 10px 30px rgba(0,0,0,.08);
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:#fff;line-height:1.65;font-size:16px;
}
html[lang="ar"] body{font-family:"Segoe UI",Tahoma,"Noto Naskh Arabic",Arial,sans-serif}
img,video{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
ul{padding-inline-start:1.2em}
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
bdi{unicode-bidi:isolate}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06)}
/* 头部物理布局固定为 LTR：Logo 恒在左、语言按钮恒在右，切语言时不互换位置 */
.header-in{display:flex;align-items:center;gap:18px;max-width:var(--maxw);margin-inline:auto;padding:10px 20px;direction:ltr}
html[dir="rtl"] .main-nav ul{direction:rtl}
html[dir="rtl"] .main-nav a{text-align:right}
.logo-link{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-link img{height:52px;width:auto}
.logo-text{font-weight:700;color:var(--brand);font-size:15px;line-height:1.2}
.logo-text small{display:block;color:var(--gold-dark);font-weight:600;font-size:11px;letter-spacing:.06em}
.main-nav{margin-inline-start:auto}
.main-nav ul{list-style:none;display:flex;gap:4px;padding:0}
.main-nav a{display:block;padding:10px 14px;color:var(--ink);font-weight:600;font-size:15px;border-radius:8px}
.main-nav a:hover{background:var(--cream);color:var(--brand);text-decoration:none}
.main-nav a.active{color:var(--brand);background:var(--cream)}
.nav-cta{background:var(--brand);color:#fff !important;padding:10px 18px !important;border-radius:999px !important}
.nav-cta:hover{background:var(--brand-dark)}
.lang-switch{border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-weight:700;font-size:14px;color:var(--ink);min-width:92px;text-align:center;box-sizing:border-box;flex:0 0 auto}
.lang-switch:hover{text-decoration:none;border-color:var(--gold)}
.burger{display:none;margin-inline-start:auto;background:none;border:1px solid var(--line);border-radius:8px;font-size:22px;line-height:1;padding:8px 12px;cursor:pointer;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;height:min(78vh,720px);min-height:460px;background:#111;overflow:hidden}
.hero .slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;pointer-events:none}
.hero .slide.active{opacity:1;pointer-events:auto}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,10,10,.72) 0%,rgba(10,10,10,.15) 45%,rgba(10,10,10,.25) 100%)}
.hero-content{position:absolute;inset-inline:0;bottom:12%;z-index:5;color:#fff;text-align:center;padding-inline:20px}
.hero-eyebrow{display:inline-block;background:rgba(232,163,61,.92);color:#3d2500;font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;padding:6px 16px;border-radius:999px;margin-bottom:16px}
.hero h1{font-size:clamp(26px,4.4vw,46px);font-weight:800;text-shadow:0 2px 18px rgba(0,0,0,.5);max-width:900px;margin-inline:auto}
.hero p.sub{font-size:clamp(15px,1.6vw,19px);margin-top:12px;color:#f2ede2;text-shadow:0 1px 10px rgba(0,0,0,.6)}
.hero-dots{position:absolute;bottom:5%;inset-inline:0;display:flex;justify-content:center;gap:10px;z-index:6}
.hero-dots button{width:34px;height:6px;border-radius:99px;border:0;background:rgba(255,255,255,.35);cursor:pointer;transition:background .3s}
.hero-dots button.active{background:var(--gold)}
.hero-dots button:hover{background:rgba(255,255,255,.7)}
.hero-caption-tag{position:absolute;top:88px;inset-inline-start:24px;z-index:6;background:rgba(0,0,0,.45);color:#fff;backdrop-filter:blur(4px);padding:7px 14px;border-radius:8px;font-size:13px;font-weight:600}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:.2s}
.btn-primary{background:var(--brand);color:#fff !important}
.btn-primary:hover{background:var(--brand-dark);text-decoration:none}
.btn-outline{border:2px solid #fff;color:#fff !important}
.btn-outline:hover{background:#fff;color:var(--brand) !important;text-decoration:none}
.btn-gold{background:var(--gold);color:#3d2500 !important}
.btn-gold:hover{background:var(--gold-dark);color:#fff !important;text-decoration:none}

/* ---------- Sections ---------- */
section.block{padding:64px 0}
section.block.alt{background:var(--cream)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 40px}
.sec-head .kicker{color:var(--gold-dark);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:13px}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin-top:6px}
.sec-head p{color:var(--ink-soft);margin-top:10px}

/* 产品线卡片 */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:block;color:inherit}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);text-decoration:none}
.cat-card .thumb{aspect-ratio:4/3;object-fit:cover;width:100%}
.cat-card .body{padding:18px 20px 22px}
.cat-card h3{font-size:18px;color:var(--brand)}
.cat-card p{font-size:14px;color:var(--ink-soft);margin-top:6px}
.cat-card .more{display:inline-block;margin-top:12px;font-weight:700;font-size:14px;color:var(--gold-dark)}

/* 数据带 */
.stats-band{background:var(--brand);color:#fff;padding:44px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat b{font-size:clamp(26px,3.4vw,38px);display:block;color:var(--gold)}
.stat span{font-size:14px;opacity:.92}

/* 服务对象 */
.aud-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.aud{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.aud h3{font-size:17px;color:var(--brand)}
.aud p{font-size:14px;color:var(--ink-soft);margin-top:6px}

/* 优势两栏 */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.why-grid img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.check-list{list-style:none;padding:0}
.check-list li{padding:10px 0 10px 34px;position:relative;border-bottom:1px dashed var(--line)}
[dir="rtl"] .check-list li{padding:10px 34px 10px 0}
.check-list li::before{content:"✔";position:absolute;inset-inline-start:0;color:var(--gold-dark);font-weight:700}

/* 禁令专区 */
.ban-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;background:linear-gradient(135deg,#123d1f,#1d5a2c);color:#eaf6ec;border-radius:20px;padding:46px 44px}
.ban-wrap h2{color:#fff;font-size:clamp(22px,2.8vw,30px)}
.ban-wrap p{margin-top:12px;font-size:15px;opacity:.94}
.ban-wrap .law{margin-top:14px;font-size:13px;opacity:.75;font-style:italic}
.ban-facts{background:rgba(255,255,255,.08);border-radius:var(--radius);padding:24px 26px}
.ban-facts li{margin:10px 0;font-size:14.5px}
.ban-cta{margin-top:18px}

/* FAQ */
details.faq{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
details.faq summary{cursor:pointer;font-weight:700;padding:18px 22px;list-style:none;position:relative;padding-inline-end:48px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";position:absolute;inset-inline-end:20px;font-size:22px;color:var(--gold-dark);top:50%;transform:translateY(-52%)}
details.faq[open] summary::after{content:"–"}
details.faq .a{padding:0 22px 20px;color:var(--ink-soft)}

/* 图库 */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px;cursor:zoom-in;transition:.2s;background:#f4f1e8}
.gallery img:hover{transform:scale(1.03)}
.gallery img{width:100%;height:100%}
.gallery .cell{aspect-ratio:1;overflow:hidden;border-radius:10px}
.gallery.tall .cell{aspect-ratio:3/4}
/* 灯箱 */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(10,8,6,.9);display:none;align-items:center;justify-content:center;cursor:zoom-out;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1100px,94vw);max-height:92vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}

/* 产品页 */
.crumbs{font-size:13.5px;color:var(--ink-soft);padding:16px 0 0}
.crumbs a{color:var(--ink-soft)}
.page-hero{padding:34px 0 8px}
.page-hero h1{font-size:clamp(26px,3.4vw,38px);color:var(--brand)}
.page-hero .lede{font-size:17px;color:var(--ink-soft);margin-top:12px;max-width:900px}
.model-table{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:8px}
.model-table th,.model-table td{border:1px solid var(--line);padding:10px 14px;text-align:start}
.model-table th{background:var(--cream)}
.note{background:#fff8ec;border:1px solid #f0dcb4;border-radius:10px;padding:14px 18px;font-size:14px;margin-top:18px;color:#6b5312}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;margin-bottom:18px}
.contact-card h3{color:var(--brand);margin-bottom:10px;font-size:17px}
.contact-card p,.contact-card li{font-size:15px}
.wa-btn{display:inline-flex;align-items:center;gap:8px;background:#25d366;color:#fff !important;padding:11px 20px;border-radius:999px;font-weight:700;margin:6px 8px 0 0}
[dir="rtl"] .wa-btn{margin:6px 0 0 8px}
.wa-btn:hover{background:#1da851;text-decoration:none}

/* CTA 带 */
.cta-band{background:var(--brand);color:#fff;text-align:center;padding:56px 20px}
.cta-band h2{font-size:clamp(22px,3vw,32px)}
.cta-band p{margin-top:10px;opacity:.92}
.cta-band .btn{margin-top:20px}

/* Footer */
.site-footer{background:#1c1512;color:#cfc6bb;padding:52px 0 30px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:30px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:12px}
.site-footer a{color:#cfc6bb}
.site-footer a:hover{color:var(--gold)}
.site-footer ul{list-style:none;padding:0}
.site-footer li{margin:7px 0}
.footer-logo{height:64px;width:auto;margin-bottom:12px}
.footer-base{border-top:1px solid #3a2f28;margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px;color:#948a7e}

/* 音乐按钮 */
.music-btn{position:fixed;bottom:22px;inset-inline-end:22px;z-index:90;width:48px;height:48px;border-radius:50%;border:0;background:var(--brand);color:#fff;font-size:20px;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.25);opacity:.85}
.music-btn:hover{opacity:1}
.music-btn.off{background:#6d6d6d}

/* 面包屑+占位 */
.placeholder-box{border:2px dashed var(--line);border-radius:var(--radius);padding:40px;text-align:center;color:var(--ink-soft);background:var(--cream)}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .aud-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid,.contact-grid,.ban-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:760px){
  .burger{display:block}
  .main-nav{display:none;position:absolute;top:100%;inset-inline:0;background:#fff;box-shadow:0 12px 24px rgba(0,0,0,.12)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;padding:10px 14px}
  .main-nav a{padding:13px 10px}
  .cat-grid,.aud-grid,.gallery{grid-template-columns:repeat(2,1fr)}
  .hero{min-height:420px;height:66vh}
  .hero h1{font-size:24px}
  section.block{padding:46px 0}
  .ban-wrap{padding:30px 22px}
}
@media (max-width:480px){
  .cat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .logo-text{display:none}
}