:root{
    --cream:#f4efe6;
    --cream-2:#ece4d6;
    --ink:#181712;
    --ink-2:#26231c;
    --terra:#c4502f;
    --terra-d:#a83f22;
    --olive:#4a5d3a;
    --sand:#d8c9b0;
    --line:#d6ccba;
    --muted:#6c6457;
    --radius:14px;
    --radius-sm:8px;
    --shadow:0 18px 40px -24px rgba(24,23,18,.55);
    --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    background:var(--cream);
    color:var(--ink);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.2;font-weight:800;letter-spacing:-.01em}
.muted{color:var(--muted)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.square{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}

/* ---------- Header ---------- */
.site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(244,239,230,.9);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
}
.header-inner{
    max-width:var(--maxw);margin:0 auto;padding:14px 24px;
    display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
    width:42px;height:42px;border-radius:12px;
    background:var(--ink);color:var(--cream);
    font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.brand-mark.dark{background:var(--terra)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:17px}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.18em}
.main-nav{display:flex;gap:6px;margin-left:auto}
.main-nav a{
    padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);
    transition:.25s;position:relative;
}
.main-nav a:hover{background:var(--cream-2)}
.main-nav a.active{background:var(--ink);color:var(--cream)}
.nav-cta{
    padding:10px 18px;border-radius:999px;background:var(--terra);color:#fff;font-weight:700;
    font-size:14px;transition:.25s;
}
.nav-cta:hover{background:var(--terra-d)}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;font-size:14px;cursor:pointer}

/* ---------- Layout helpers ---------- */
.site-main{display:block}
.section{padding:84px 0}
.section.tight{padding:56px 0}
.section-head{margin-bottom:42px;max-width:640px}
.section-head .eyebrow{
    display:inline-block;font-size:13px;letter-spacing:.22em;text-transform:uppercase;
    color:var(--terra);font-weight:700;margin-bottom:12px;
}
.section-head h2{font-size:clamp(26px,4vw,40px);margin:0 0 12px}
.section-head p{color:var(--muted);margin:0}
.dark-sec{background:var(--ink);color:var(--cream)}
.dark-sec .section-head .eyebrow{color:var(--sand)}
.dark-sec .section-head p{color:#bdb6a8}
.dark-sec .muted{color:#a9a294}
.olive-sec{background:var(--olive);color:var(--cream)}
.olive-sec .section-head .eyebrow{color:#e7c98a}

/* ---------- Hero (asymmetric) ---------- */
.hero{
    padding:90px 0 70px;position:relative;overflow:hidden;
    background:
        radial-gradient(120% 90% at 92% 8%, rgba(196,80,47,.16), transparent 60%),
        radial-gradient(90% 80% at 4% 96%, rgba(74,93,58,.18), transparent 55%),
        var(--cream);
}
.hero-grid{
    max-width:var(--maxw);margin:0 auto;padding:0 24px;
    display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
.hero-copy{position:relative}
.hero-tag{
    display:inline-flex;align-items:center;gap:10px;margin-bottom:22px;
    background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;color:var(--muted);
}
.hero-tag b{color:var(--terra)}
.hero h1{font-size:clamp(34px,6vw,62px);margin:0 0 22px}
.hero h1 .hl{color:var(--terra)}
.hero p.lead{font-size:18px;color:var(--muted);max-width:520px;margin:0 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
    display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;
    font-weight:700;font-size:15px;transition:.25s;cursor:pointer;border:1px solid transparent;
}
.btn-primary{background:var(--ink);color:var(--cream)}
.btn-primary:hover{background:var(--terra)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--cream)}
.btn-line{background:var(--terra);color:#fff}
.btn-line:hover{background:var(--terra-d)}

.hero-visual{position:relative;min-height:380px}
.hero-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px;box-shadow:var(--shadow);
}
.hero-card.offset-1{position:absolute;top:0;right:0;width:78%;transform:translateY(8px) rotate(-1deg)}
.hero-card.offset-2{position:absolute;bottom:0;left:0;width:64%;background:var(--ink);color:var(--cream)}
.hero-card h3{margin:0 0 8px;font-size:18px}
.hero-card p{margin:0;font-size:14px;color:var(--muted)}
.hero-card.offset-2 p{color:#bdb6a8}
.hero-blob{
    position:absolute;width:120px;height:120px;border-radius:26px;background:var(--terra);
    right:-10px;bottom:50px;opacity:.9;
}
.hero-blob.sq{border-radius:0;background:var(--olive);left:-18px;top:30px;width:70px;height:70px}

/* ---------- Cards grid (asymmetric) ---------- */
.card-grid{display:grid;gap:22px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px;box-shadow:var(--shadow);transition:.3s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);border-color:var(--terra)}
.card .num{
    position:absolute;top:18px;right:20px;font-size:42px;font-weight:800;color:var(--cream-2);
}
.card h3{margin:0 0 10px;font-size:20px}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .corner{width:14px;height:14px;border-radius:4px;background:var(--terra);position:absolute;left:0;bottom:0}
/* asymmetric: push alternating cards down */
.tilt-a{margin-top:26px}
.tilt-b{margin-top:52px}

/* product card with image */
.product-card img{width:100%;height:200px;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:16px;background:var(--cream-2)}
.product-card .tag{font-size:12px;letter-spacing:.12em;color:var(--olive);font-weight:700;text-transform:uppercase}

/* ---------- Article list ---------- */
.list-split{display:grid;grid-template-columns:1fr;gap:18px}
.news-row{
    display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;
    transition:.25s;
}
.news-row:hover{border-color:var(--terra);transform:translateX(4px)}
.news-row .date{font-weight:800;font-size:22px;color:var(--terra);line-height:1}
.news-row .date small{display:block;font-size:12px;color:var(--muted);font-weight:600;margin-top:4px}
.news-row h3{margin:0 0 6px;font-size:18px}
.news-row p{margin:0;color:var(--muted);font-size:14px}
.news-row .arrow{font-size:22px;color:var(--ink);transition:.25s}
.news-row:hover .arrow{transform:translateX(6px);color:var(--terra)}

/* ---------- About / two col asymmetric ---------- */
.two-col{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.two-col.reverse{grid-template-columns:1.1fr .9fr}
.aside-block{
    background:var(--ink);color:var(--cream);border-radius:var(--radius);padding:30px;
    position:sticky;top:96px;
}
.aside-block h3{margin:0 0 14px;font-size:22px}
.aside-block ul{list-style:none;margin:0;padding:0}
.aside-block li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px}
.aside-block li:last-child{border-bottom:0}
.aside-block li span{color:var(--sand);font-weight:700;margin-right:10px}
.prose p{margin:0 0 18px;font-size:16px;color:#322f28}
.prose h3{margin:30px 0 12px;font-size:22px}

/* timeline for history */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;background:var(--line)}
.tl-item{position:relative;padding:0 0 30px 18px}
.tl-item::before{content:"";position:absolute;left:-26px;top:4px;width:16px;height:16px;border-radius:5px;background:var(--terra);border:3px solid var(--cream)}
.tl-item .yr{font-weight:800;color:var(--terra);font-size:18px}
.tl-item h4{margin:4px 0 6px;font-size:17px}
.tl-item p{margin:0;color:var(--muted);font-size:15px}

/* culture cards */
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.culture-card{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:26px;box-shadow:var(--shadow)}
.culture-card .ic{width:46px;height:46px;border-radius:12px;background:var(--olive);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin-bottom:14px}
.culture-card h3{margin:0 0 8px;font-size:18px}
.culture-card p{margin:0;color:var(--muted);font-size:14px}

/* ---------- Contact / lead form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field input,.field textarea,.field select{
    width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius-sm);
    font-size:15px;font-family:inherit;background:var(--cream);transition:.2s;
}
.field input:focus,.field textarea:focus{border-color:var(--terra);background:#fff;outline:none}
.field textarea{min-height:130px;resize:vertical}
.btn-submit{width:100%;justify-content:center;background:var(--terra);color:#fff;border:0;padding:15px}
.btn-submit:hover{background:var(--terra-d)}
.form-note{font-size:13px;color:var(--muted);margin-top:10px}

.social-list{display:grid;gap:14px}
.social-item{
    display:flex;align-items:center;gap:16px;background:var(--ink);color:var(--cream);
    border-radius:var(--radius);padding:18px 20px;transition:.25s;
}
.social-item:hover{transform:translateY(-4px)}
.social-item .pic{width:48px;height:48px;border-radius:12px;background:var(--terra);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.social-item .pic.douyin{background:#e8533f}
.social-item .pic.weibo{background:#d96a2b}
.social-item .pic.kuaishou{background:#e8a13f}
.social-item .meta b{display:block;font-size:16px}
.social-item .meta span{font-size:13px;color:#bdb6a8}
.social-item .go{margin-left:auto;font-size:13px;color:var(--sand)}

/* ---------- Admin ---------- */
.admin-body{background:#f1ece2}
.admin-bar{
    background:var(--ink);color:var(--cream);padding:0 24px;display:flex;align-items:center;gap:18px;
    position:sticky;top:0;z-index:40;
}
.admin-bar .ab-brand{display:flex;align-items:center;gap:10px;padding:14px 0;font-weight:800}
.admin-bar .ab-brand .brand-mark{width:34px;height:34px;font-size:16px}
.admin-bar .ab-links{display:flex;gap:4px;margin-left:10px;flex-wrap:wrap}
.admin-bar .ab-links a{padding:8px 14px;border-radius:8px;font-size:14px;color:#cfc8ba}
.admin-bar .ab-links a:hover,.admin-bar .ab-links a.active{background:rgba(255,255,255,.12);color:#fff}
.admin-bar .ab-user{margin-left:auto;font-size:14px;display:flex;align-items:center;gap:14px}
.admin-bar .ab-user a{color:var(--sand)}
.admin-wrap{max-width:980px;margin:34px auto;padding:0 24px}
.admin-title{font-size:26px;margin:0 0 6px}
.admin-sub{color:var(--muted);margin:0 0 26px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);margin-bottom:24px}
.panel h3{margin:0 0 18px;font-size:19px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.stat{background:var(--ink);color:var(--cream);border-radius:var(--radius);padding:20px}
.stat .n{font-size:30px;font-weight:800}
.stat .l{font-size:13px;color:#bdb6a8;margin-top:4px}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.table th{color:var(--muted);font-weight:700;font-size:13px}
.table tr:hover td{background:var(--cream)}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge.on{background:rgba(74,93,58,.15);color:var(--olive)}
.badge.off{background:rgba(150,60,40,.15);color:var(--terra)}
.badge.warn{background:rgba(190,140,40,.18);color:#9a6a18}
.badge.ok{background:rgba(74,93,58,.18);color:var(--olive)}
.row-actions a{margin-right:10px;font-size:13px;font-weight:700;color:var(--terra)}
.row-actions a.del{color:var(--terra-d)}
.alert{padding:14px 18px;border-radius:var(--radius-sm);margin-bottom:18px;font-size:14px}
.alert.ok{background:rgba(74,93,58,.12);color:var(--olive);border:1px solid rgba(74,93,58,.3)}
.alert.err{background:rgba(196,80,47,.12);color:var(--terra-d);border:1px solid rgba(196,80,47,.3)}
.admin-login{max-width:420px;margin:90px auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.admin-login h2{margin:0 0 6px}
.admin-login .sub{color:var(--muted);margin:0 0 24px;font-size:14px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--cream);padding:60px 0 28px;margin-top:40px}
.footer-grid{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.footer-col h4{font-size:15px;margin:0 0 14px;color:var(--sand)}
.footer-col a{display:block;color:#cfc8ba;padding:5px 0;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-brand p{color:#cfc8ba;font-size:14px;max-width:320px}
.footer-brand .brand-mark{margin-bottom:14px}
.footer-cta{display:inline-block;margin-top:10px;background:var(--terra);color:#fff;padding:9px 18px;border-radius:999px;font-size:14px;font-weight:700}
.footer-bottom{max-width:var(--maxw);margin:36px auto 0;padding:18px 24px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;font-size:13px;color:#9a9384}

/* reveal for GSAP (initial hidden state set via JS to avoid FOUC fallback) */
.reveal{opacity:0;transform:translateY(28px)}

/* ---------- Responsive ---------- */
@media (max-width:900px){
    .hero-grid{grid-template-columns:1fr}
    .hero-visual{min-height:0;margin-top:10px}
    .hero-card.offset-1,.hero-card.offset-2{position:static;width:100%;transform:none;margin-bottom:14px}
    .hero-blob,.hero-blob.sq{display:none}
    .cols-3,.culture-grid{grid-template-columns:1fr 1fr}
    .two-col,.two-col.reverse,.contact-grid{grid-template-columns:1fr;gap:28px}
    .aside-block{position:static}
    .tilt-a,.tilt-b{margin-top:0}
    .stat-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
    .main-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--cream);padding:14px;border-bottom:1px solid var(--line)}
    .main-nav.open{display:flex}
    .nav-toggle{display:block;margin-left:auto}
    .nav-cta{display:none}
    .cols-3,.cols-2,.culture-grid,.news-row{grid-template-columns:1fr}
    .news-row{grid-template-columns:80px 1fr;gap:14px}
    .news-row .arrow{display:none}
    .stat-grid{grid-template-columns:1fr 1fr}
    .section{padding:56px 0}
}