/* ============================================================
   JUPENG DRINKWARE — Global Design System v2
   Steel & Ocean | Industrial Premium | Built for Conversion
   ============================================================ */
:root {
  --steel:#1a2332; --steel-mid:#243447; --steel-deep:#121b27;
  --ocean:#0a7ea4; --ocean-bright:#0ea5c9; --ocean-glow:#38bdf8;
  --accent:#f97316; --accent-warm:#fb923c;
  --green:#16a34a; --gold:#d4a853;
  --white:#fff; --gray-50:#f8fafc; --gray-100:#f1f5f9;
  --gray-200:#e2e8f0; --gray-400:#94a3b8; --gray-500:#64748b;
  --gray-600:#475569; --gray-700:#334155; --gray-800:#1e293b;
  --font-display:'Barlow Condensed',sans-serif;
  --font-body:'Barlow',sans-serif;
  --font-ui:'Inter',sans-serif;
  --r:6px; --r-lg:12px; --r-xl:20px;
  --sh:0 2px 16px rgba(0,0,0,.07);
  --sh-lg:0 8px 40px rgba(0,0,0,.14);
  --tr:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--gray-800);background:var(--white);line-height:1.65;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.1}
h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800}
h2{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:700}
h3{font-size:clamp(1.1rem,2vw,1.5rem);font-weight:600}
p{line-height:1.72}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-dark{background:var(--steel);color:var(--white)}
.section-mid{background:var(--steel-mid);color:var(--white)}
.section-gray{background:var(--gray-100)}
.section-label{display:block;font-family:var(--font-ui);font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ocean-bright);margin-bottom:.5rem}
.sec-header{text-align:center;max-width:720px;margin:0 auto}
.sec-header h2{margin-bottom:14px}
.sec-header p{color:var(--gray-600);font-size:1rem}
.sec-header.light h2{color:var(--white)}
.sec-header.light p{color:rgba(255,255,255,.65)}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-ui);font-weight:600;font-size:.9rem;padding:12px 24px;border-radius:var(--r);text-decoration:none;border:none;cursor:pointer;transition:var(--tr);white-space:nowrap;line-height:1}
.btn-primary{background:var(--ocean);color:var(--white)}
.btn-primary:hover{background:var(--ocean-bright);transform:translateY(-1px);box-shadow:0 6px 20px rgba(10,126,164,.35)}
.btn-accent{background:var(--accent);color:var(--white)}
.btn-accent:hover{background:var(--accent-warm);transform:translateY(-1px);box-shadow:0 6px 20px rgba(249,115,22,.35)}
.btn-outline{border:2px solid rgba(255,255,255,.7);color:var(--white);background:transparent}
.btn-outline:hover{background:var(--white);color:var(--steel)}
.btn-outline-dark{border:2px solid var(--ocean);color:var(--ocean);background:transparent}
.btn-outline-dark:hover{background:var(--ocean);color:var(--white)}
.btn-lg{padding:15px 32px;font-size:1rem}
.btn-sm{padding:7px 16px;font-size:.8rem}
/* Navbar */
#navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(26,35,50,.97);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07);transition:box-shadow var(--tr)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;background:var(--ocean);border-radius:var(--r);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:1rem;font-weight:800;color:var(--white);letter-spacing:-1px}
.logo-text{font-family:var(--font-display);font-size:1.05rem;font-weight:700;color:var(--white);line-height:1.1}
.logo-sub{font-family:var(--font-ui);font-size:.56rem;color:var(--gray-400);letter-spacing:.1em;text-transform:uppercase;display:block}
.nav-links{display:flex;list-style:none;align-items:center}
.nav-links a{display:block;padding:0 11px;font-family:var(--font-ui);font-size:.78rem;font-weight:500;color:rgba(255,255,255,.7);letter-spacing:.01em;transition:color var(--tr);white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--ocean-glow)}
.nav-actions{display:flex;gap:8px;flex-shrink:0}
.btn-nav{font-family:var(--font-ui);font-size:.78rem;font-weight:600;padding:7px 15px;border-radius:var(--r);transition:var(--tr);white-space:nowrap}
.btn-nav-ghost{color:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.2)}
.btn-nav-ghost:hover{border-color:var(--ocean-glow);color:var(--ocean-glow)}
.btn-nav-cta{background:var(--accent);color:var(--white)}
.btn-nav-cta:hover{background:var(--accent-warm)}
.nav-toggle{display:none;background:none;border:none;color:var(--white);cursor:pointer;padding:6px}
#mobile-menu{display:none;position:fixed;inset:0;background:var(--steel-deep);z-index:999;padding:80px 24px 32px;flex-direction:column;overflow-y:auto}
#mobile-menu.open{display:flex}
.mob-link{display:block;padding:15px 0;font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:var(--white);border-bottom:1px solid rgba(255,255,255,.08);transition:color var(--tr)}
.mob-link:hover{color:var(--ocean-glow)}
.mob-close{position:absolute;top:18px;right:22px;background:none;border:none;color:var(--white);cursor:pointer;font-size:1.5rem}
/* Page hero */
.page-hero{background:linear-gradient(135deg,var(--steel) 0%,var(--steel-mid) 60%,#1a3a5c 100%);padding:140px 0 72px;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(10,126,164,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(10,126,164,.05) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}
.page-hero-inner{position:relative;z-index:1}
.page-hero h1{color:var(--white);margin-bottom:16px}
.page-hero p{color:rgba(255,255,255,.72);max-width:640px;font-size:1.05rem}
.breadcrumb{font-family:var(--font-ui);font-size:.73rem;color:var(--gray-500);margin-bottom:14px}
.breadcrumb a{color:var(--gray-600);transition:color var(--tr);text-decoration:none}
.breadcrumb a:hover{color:var(--ocean)}
.blog-hero .breadcrumb,.sol-hero .breadcrumb,.ts-hero .breadcrumb,.team-hero .breadcrumb,.cat-hero .breadcrumb,.page-hero .breadcrumb{color:rgba(255,255,255,.65)}
.blog-hero .breadcrumb a,.sol-hero .breadcrumb a,.ts-hero .breadcrumb a,.team-hero .breadcrumb a,.cat-hero .breadcrumb a,.page-hero .breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb.on-dark{color:rgba(255,255,255,.65)}
.breadcrumb.on-dark a{color:rgba(255,255,255,.72)}
.breadcrumb.on-dark a:hover{color:#fff}
.blog-hero .breadcrumb a:hover,.sol-hero .breadcrumb a:hover,.ts-hero .breadcrumb a:hover,.team-hero .breadcrumb a:hover,.cat-hero .breadcrumb a:hover,.page-hero .breadcrumb a:hover{color:#fff}
/* Ticker */
.ticker{background:var(--ocean);padding:10px 0;overflow:hidden;white-space:nowrap}
.ticker-track{display:inline-flex;animation:ticker 48s linear infinite}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ticker-item{font-family:var(--font-ui);font-size:.77rem;font-weight:500;color:var(--white);padding:0 28px}
.ticker-sep{color:rgba(255,255,255,.35)}
/* Cards */
.card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--r-lg);overflow:hidden;transition:var(--tr)}
.card:hover{border-color:var(--ocean);box-shadow:var(--sh-lg);transform:translateY(-3px)}
/* Product card */
.prod-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--r-lg);overflow:hidden;transition:var(--tr);display:block;color:inherit}
.prod-card:hover{border-color:var(--ocean);box-shadow:var(--sh-lg);transform:translateY(-3px)}
.prod-img{aspect-ratio:1;overflow:hidden;background:var(--gray-100);position:relative}
.prod-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.prod-card:hover .prod-img img{transform:scale(1.06)}
.prod-tag{position:absolute;top:10px;right:10px;background:var(--accent);color:var(--white);font-family:var(--font-ui);font-size:.62rem;font-weight:700;padding:3px 8px;border-radius:4px;letter-spacing:.04em;text-transform:uppercase}
.prod-info{padding:14px}
.prod-name{font-family:var(--font-display);font-size:1rem;font-weight:700;color:var(--gray-800);margin-bottom:4px;line-height:1.2}
.prod-sku{font-size:.7rem;color:var(--gray-400);font-family:var(--font-ui)}
.prod-meta{display:flex;justify-content:space-between;align-items:center;margin-top:10px}
.moq-tag{font-size:.68rem;background:var(--gray-100);color:var(--gray-600);padding:2px 8px;border-radius:4px;font-family:var(--font-ui);font-weight:500}
.quote-link{font-size:.75rem;color:var(--ocean);font-family:var(--font-ui);font-weight:600}
/* Grid */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
/* FAQ */
.faq-item{border-bottom:1px solid var(--gray-200)}
.faq-q{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:20px 0;font-weight:600;cursor:pointer;user-select:none;transition:color var(--tr)}
.faq-q:hover{color:var(--ocean)}
.faq-arrow{flex-shrink:0;width:22px;height:22px;background:var(--gray-100);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.78rem;transition:transform var(--tr),background var(--tr),color var(--tr);color:var(--gray-600)}
.faq-item.open .faq-arrow{transform:rotate(180deg);background:var(--ocean);color:var(--white)}
.faq-a{font-size:.9rem;color:var(--gray-600);line-height:1.78;padding-bottom:20px;display:none}
.faq-item.open .faq-a{display:block}
/* Animations */
/* Content is visible by default and animates in via pure CSS (no JS/scroll dependency),
   so primary content can never be left permanently hidden / blank. */
.fade-up{opacity:1;transform:none;animation:fadeUpIn .55s ease both}
@keyframes fadeUpIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.fade-up.visible{opacity:1;transform:none}
.d1{animation-delay:.08s}.d2{animation-delay:.16s}.d3{animation-delay:.24s}.d4{animation-delay:.32s}
@media (prefers-reduced-motion: reduce){.fade-up{animation:none}}
/* Footer */
footer{background:var(--gray-800);color:var(--white);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr 1fr;gap:28px;margin-bottom:40px}
.footer-logo{font-family:var(--font-display);font-size:1.3rem;font-weight:800;color:var(--white);margin-bottom:10px}
.footer-tagline{font-size:.82rem;color:rgba(255,255,255,.48);line-height:1.65;max-width:280px;margin-bottom:18px}
.footer-contact-list{display:flex;flex-direction:column;gap:7px}
.footer-contact-list a{display:flex;align-items:center;gap:7px;font-size:.82rem;color:rgba(255,255,255,.58);transition:color var(--tr)}
.footer-contact-list a:hover{color:var(--ocean-glow)}
.footer-col-title{font-family:var(--font-ui);font-size:.67rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ocean-glow);margin-bottom:13px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:7px}
.footer-links a{font-size:.82rem;color:rgba(255,255,255,.5);transition:color var(--tr)}
.footer-links a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-copy{font-size:.74rem;color:rgba(255,255,255,.28)}
.footer-social{display:flex;gap:8px}
.social-btn{width:30px;height:30px;background:rgba(255,255,255,.07);border-radius:var(--r);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.43);font-size:.72rem;transition:var(--tr)}
.social-btn:hover{background:var(--ocean);color:var(--white)}
/* Stats bar */
.stats-bar{background:var(--ocean);padding:36px 0}
.stats-row{display:grid;grid-template-columns:repeat(5,1fr)}
.stat-item{text-align:center;padding:0 12px;border-right:1px solid rgba(255,255,255,.18)}
.stat-item:last-child{border-right:none}
.stat-num{font-family:var(--font-display);font-size:2.4rem;font-weight:800;color:var(--white);line-height:1}
.stat-lbl{font-family:var(--font-ui);font-size:.73rem;color:rgba(255,255,255,.7);margin-top:4px}
/* ============================================================
   SIDEBAR CONTACT (fixed right)
   ============================================================ */
.sidebar-contact{
  position:fixed;
  right:14px;
  top:50%;
  transform:translateY(-50%);
  z-index:800;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.sc-btn{display:flex;align-items:center;justify-content:center;width:52px;height:52px;text-decoration:none;border:none;cursor:pointer;border-radius:50%;box-shadow:0 4px 14px rgba(0,0,0,.22);padding:0;transition:transform .18s ease,box-shadow .18s ease}
.sc-btn .sc-icon{width:52px;height:52px;display:flex;align-items:center;justify-content:center;font-size:1.35rem;flex-shrink:0}
.sc-btn .sc-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.sc-btn:hover{transform:scale(1.18);box-shadow:0 6px 22px rgba(0,0,0,.32)}

.sc-email{background:#1a6fc4}
.sc-wechat{background:#07c160}
.sc-wa{background:#25d366}
.sc-inquiry{background:var(--accent)}
/* WhatsApp bubble float */




/* Responsive */
@media(max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .stats-row{grid-template-columns:repeat(3,1fr)}
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .sidebar-contact{display:none}
}
@media(max-width:768px){
  .nav-links,.btn-nav-ghost{display:none}
  .nav-toggle{display:flex}
  .section{padding:60px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .grid-5{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}
}

/* ---- WeChat QR slide-in panel ---- */
.wechat-qr-overlay{position:fixed;inset:0;background:rgba(8,12,18,.55);z-index:900;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.wechat-qr-overlay.open{opacity:1;visibility:visible}
.wechat-qr-panel{position:fixed;top:50%;right:-340px;transform:translateY(-50%);width:300px;background:#fff;border-radius:16px 0 0 16px;box-shadow:-8px 0 40px rgba(0,0,0,.3);z-index:901;padding:26px 24px;text-align:center;transition:right .35s cubic-bezier(.22,1,.36,1)}
.wechat-qr-panel.open{right:0}
.wq-close{position:absolute;top:10px;right:12px;background:none;border:none;font-size:1.6rem;line-height:1;color:#94a3b8;cursor:pointer}
.wq-close:hover{color:#1a2332}
.wq-title{font-family:var(--font-display);font-size:1.15rem;font-weight:700;color:#1a2332;margin-bottom:14px}
.wq-img{width:200px;height:222px;object-fit:contain;border:1px solid #e2e8f0;border-radius:10px;background:#fff}
.wq-id{font-family:var(--font-ui);font-size:.82rem;font-weight:700;color:#0a7ea4;margin-top:14px}
.wq-hint{font-size:.74rem;color:#64748b;margin-top:6px}
@media(max-width:600px){.wechat-qr-panel{width:88vw;right:-92vw}.wechat-qr-panel.open{right:0}}

/* Blog sidebar: hover/active feedback for article links and certificate downloads */
.sb-card ul li a{transition:color .18s ease}
.sb-card ul li a:hover{color:var(--steel)!important;text-decoration:underline}
.sb-card ul li a:active{color:#0a7ea4!important}
.sb-card a[href$=".pdf"]{border-radius:6px;padding:2px 5px;margin-left:-5px;transition:background .18s ease,color .18s ease}
.sb-card a[href$=".pdf"]:hover{background:var(--ocean);color:#fff!important}
.sb-card a[href$=".pdf"]:active{background:var(--steel);color:#fff!important}

/* 生产视频封面 */
.jp-video{position:relative;cursor:pointer;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:#0d1b2a;box-shadow:0 8px 30px rgba(0,0,0,.12)}
.jp-video img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease,filter .3s ease;filter:brightness(.82)}
.jp-video:hover img{transform:scale(1.04);filter:brightness(.7)}
.jp-video-play{position:absolute;inset:0;margin:auto;width:66px;height:66px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.92);border-radius:50%;box-shadow:0 6px 22px rgba(0,0,0,.35);transition:transform .25s ease}
.jp-video:hover .jp-video-play{transform:scale(1.12)}
.jp-video-play svg{width:26px;height:26px;margin-left:3px;color:#0d1b2a}
.jp-video-label{position:absolute;left:16px;bottom:14px;color:#fff;font-family:var(--font-ui,inherit);font-weight:700;font-size:.92rem;letter-spacing:.01em;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.jp-video-playing{cursor:default}
.jp-video-playing img,.jp-video-playing .jp-video-play,.jp-video-playing .jp-video-label{display:none}

/* Prevent ugly single-word orphans on titles: balance lines (one line when it fits) */
h1,h2,h3,h4,h5,.pn,.cf-client,.case-client,[class*="title"]{text-wrap:balance;}
/* progressive: prevent last-line orphan on longer headings */
@supports (text-wrap:pretty){h1,h2,h3,h4,.pn,[class*="title"]{text-wrap:pretty;}}

/* ===== Product detail: sourcing pain-point + inquiry modules ===== */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pain-card{background:#fff;border:1px solid var(--gray-200);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:12px;box-shadow:0 1px 2px rgba(16,40,64,.04);transition:box-shadow var(--tr),transform var(--tr),border-color var(--tr)}
.pain-card:hover{box-shadow:0 12px 28px rgba(16,40,64,.10);transform:translateY(-3px);border-color:var(--ocean)}
.pain-ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--ocean),#0a93bd);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex:none}
.pain-h{font-weight:700;color:var(--steel);font-size:1.04rem;line-height:1.35;min-height:2.7em;display:flex;align-items:flex-end}
.pain-p{font-size:.9rem;line-height:1.62;color:var(--gray-600);margin:0}
.inq-card{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:16px;padding:26px}
.inq-form .btn{align-self:flex-start}
.inq-form{display:flex;flex-direction:column;gap:12px;margin:0}
.inq-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.inq-form input,.inq-form textarea{width:100%;padding:11px 13px;border:1px solid var(--gray-200);border-radius:9px;font-size:.92rem;font-family:inherit;background:#fff;color:var(--steel)}
.inq-form input:focus,.inq-form textarea:focus{outline:none;border-color:var(--ocean);box-shadow:0 0 0 3px rgba(10,126,164,.12)}
.inq-form textarea{min-height:96px;resize:vertical}
.faq-wrap{max-width:840px;border:1px solid var(--gray-200);border-radius:16px;overflow:hidden;background:#fff}
.faq-wrap .faq-item:last-child{border-bottom:none}
.faq-wrap .faq-q{padding:18px 22px;color:var(--steel)}
.faq-wrap .faq-q:hover{background:var(--gray-50)}
.faq-wrap .faq-a{padding:0 22px 18px}
@media(max-width:760px){.pain-grid{grid-template-columns:1fr}.inq-row{grid-template-columns:1fr}.pain-h{min-height:0}}