/* ===== ABOUT PAGE-SPECIFIC STYLES ===== */

/* PAGE BANNER */
.page-banner{margin-top:var(--nav-h);min-height:350px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0 20px;background:linear-gradient(135deg,var(--bg) 0%,#0a1020 50%,var(--accent-dim) 100%);text-align:center;position:relative;overflow:hidden;background-image:url('https://img.alicdn.com/imgextra/i3/2856811924/O1CN011Q5EUJ33GDNW2Up_!!2856811924.jpg');background-size:cover;background-position:center;background-attachment:fixed}
.page-banner::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 80%,rgba(0,220,130,0.08),transparent 60%)}
.page-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,24,0.62) 0%,rgba(6,11,24,0.55) 45%,rgba(6,11,24,0.78) 100%)}
.page-banner h1{font-size:clamp(2rem,5vw,3rem);font-weight:900;margin-bottom:30px;position:relative;z-index:1;line-height:1.6;text-shadow:0 2px 24px rgba(0,0,0,0.45)}
.page-banner p{font-size:1.1rem;max-width:720px;margin:0 auto;position:relative;z-index:1;line-height:1.85;letter-spacing:0.5px;color:#e8eef5;text-shadow:0 1px 16px rgba(0,0,0,0.4)}
.banner-hl{color:var(--accent);display:inline-block;text-shadow:0 2px 20px rgba(0,220,130,0.35)}

/* COMPANY INTRO */
.intro-section{padding-top:14px}
.intro-text{max-width:800px;margin:0 auto;text-align:center}
.intro-text p{font-size:1.05rem;line-height:2.1;margin-bottom:16px;color:var(--text-sec)}
.intro-text .hl{color:var(--accent);font-weight:600}

/* product tag pills */
.intro-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px}
.intro-tag{padding:10px 18px;border-radius:999px;font-size:0.92rem;font-weight:500;color:var(--accent);background:var(--accent-dim);border:1px solid rgba(0,220,130,0.3);transition:all 0.3s}
.intro-tag:hover{transform:translateY(-3px);background:rgba(0,220,130,0.18)}

/* two value columns */
.intro-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin:48px auto 0}
.intro-col{padding:36px 30px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);position:relative;overflow:hidden;transition:all 0.35s}
.intro-col::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),transparent)}
.intro-col:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,0.3)}
.intro-col-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.intro-col-icon{width:48px;height:48px;flex:0 0 auto;border-radius:14px;background:var(--accent-dim);display:flex;align-items:center;justify-content:center;font-size:1.4rem}
.intro-col h3{font-size:1.25rem;margin:0;color:var(--text)}
.intro-col p{font-size:0.95rem;line-height:1.9;color:var(--text-sec)}
.intro-col .hl{color:var(--accent);font-weight:600}

/* closing statement card */
.intro-text--closing{max-width:840px;margin:48px auto 0;padding:34px 40px;text-align:left;border-radius:var(--radius);background:linear-gradient(135deg,var(--surface),#16223c);border:1px solid var(--border);border-left:4px solid var(--accent);box-shadow:0 16px 50px rgba(0,0,0,0.25)}
.closing-label{display:inline-block;font-family:'DM Mono',monospace;font-size:0.78rem;letter-spacing:2px;color:var(--accent);margin-bottom:16px;padding:5px 14px;border:1px solid rgba(0,220,130,0.3);border-radius:999px;background:rgba(0,220,130,0.1)}
.intro-text--closing p{font-size:1.08rem;line-height:2.1;margin-bottom:0;color:var(--text)}

/* CULTURE */
.culture-section{position:relative;padding:110px 0;background:linear-gradient(rgba(6,11,24,0.72),rgba(6,11,24,0.72)),url('https://img.alicdn.com/imgextra/i2/2856811924/O1CN011Q5EUHiNeqp68qL_!!2856811924.jpg') center/cover no-repeat;background-attachment:fixed}
.culture-card{max-width:720px;margin:0 auto;position:relative;z-index:1;text-align:center}
.culture-lines{position:relative;z-index:1}
.culture-line{font-size:1.35rem;line-height:2.05;color:var(--text-sec);margin:0;opacity:0;transform:translateY(18px);transition:all 0.6s cubic-bezier(0.4,0,0.2,1);text-shadow:0 1px 12px rgba(0,0,0,0.5)}
.culture-card.visible .culture-line{opacity:1;transform:translateY(0)}
.culture-card.visible .culture-line:nth-child(1){transition-delay:.1s}
.culture-card.visible .culture-line:nth-child(2){transition-delay:.22s}
.culture-card.visible .culture-line:nth-child(3){transition-delay:.34s}
.culture-card.visible .culture-line:nth-child(4){transition-delay:.46s}
.culture-brand{margin-top:34px;font-weight:700;font-size:1.35rem;color:var(--text);opacity:0;transform:translateY(18px);transition:all 0.6s cubic-bezier(0.4,0,0.2,1) .6s;position:relative;z-index:1;text-shadow:0 1px 12px rgba(0,0,0,0.5)}
.culture-card.visible .culture-brand{opacity:1;transform:translateY(0)}
.culture-brand .bc{color:var(--accent);transition:color .4s,text-shadow .4s}
.culture-card.visible .culture-brand .bc{animation:bcPulse 6s infinite}
.culture-card.visible .culture-brand .bc:nth-of-type(1){animation-delay:0s}
.culture-card.visible .culture-brand .bc:nth-of-type(2){animation-delay:1.5s}
.culture-card.visible .culture-brand .bc:nth-of-type(3){animation-delay:3s}
.culture-card.visible .culture-brand .bc:nth-of-type(4){animation-delay:4.5s}
@keyframes bcPulse{0%,100%{color:var(--accent);text-shadow:none}6%{color:#fff;text-shadow:0 0 16px rgba(0,220,130,.85)}14%{color:var(--accent);text-shadow:none}}

/* SERVICES */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{padding:36px 28px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);transition:all 0.35s;position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),transparent);opacity:0;transition:opacity 0.3s}
.service-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,0.3)}
.service-card:hover::before{opacity:1}
.service-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.service-icon{width:48px;height:48px;border-radius:14px;background:var(--accent-dim);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex:0 0 auto}
.service-icon img{width:30px;height:30px;object-fit:contain;display:block}
.service-card h4{margin-bottom:0;font-size:1.1rem}
.service-card p{font-size:0.85rem;line-height:1.7}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
    .services-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
    .services-grid{grid-template-columns:1fr}
    .culture-section{padding:70px 0;background-attachment:scroll}
    .page-banner{background-attachment:scroll}
    .intro-section{background-attachment:scroll;padding-top:0}
    .intro-cols{grid-template-columns:1fr;margin-top:32px}
    .intro-text--closing{margin-top:32px;padding:26px 22px}
    .map-section{padding:60px 0 38px}
    .map-stage{margin-top:0;padding:0 4px}
}

/* ===== MERCHANT DISTRIBUTION MAP ===== */
.map-section{padding:110px 0 38px;background:linear-gradient(180deg,var(--bg) 0%,#0a1830 55%,var(--bg) 100%);position:relative;overflow:hidden}
.map-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 42%,rgba(0,200,130,0.08),transparent 55%);pointer-events:none}
.map-stage{position:relative;max-width:1080px;margin:-76px auto 0;opacity:1}
.map-svg{width:100%;height:auto;display:block}

/* clipping frame — the folded space below Hainan is truly collapsed (height clipped), not masked.
   IMPORTANT: NO aspect-ratio here. The frame width must stay 100% (stage width); only height is
   driven by JS inline style. An aspect-ratio would fight inline height and blow the width up,
   which in turn scales the SVG and clips the South China Sea out of view. */
.map-frame{overflow:hidden;transition:height .55s cubic-bezier(.4,0,.2,1)}

/* 地图本体已提取为 img/map-china.svg，闪烁点动画样式内嵌于该 SVG 文件中 */
.map-svg{transition:filter .4s}
.map-section:hover .map-svg{filter:brightness(1.1)}