/* 宇霸官网系统 · 用户端样式（暗金衬线风） */
:root{
  --bg:#0a0c12;
  --bg-2:#0d1017;
  --gold:#d8b25c;
  --gold-hi:#f3d58a;
  --gold-lo:#a97f2f;
  --gold-dim:rgba(216,178,92,.35);
  --line:rgba(216,178,92,.16);
  --text:#e9e6de;
  --muted:#9b978c;
  --glass:rgba(255,255,255,.035);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* 背景 */
.bg-fx{
  position:fixed;inset:0;z-index:-1;overflow:hidden;
  background:
    radial-gradient(1200px 600px at 70% -10%,rgba(216,178,92,.07),transparent 60%),
    radial-gradient(900px 500px at 0% 100%,rgba(216,178,92,.05),transparent 60%),
    var(--bg);
}
#dust{position:absolute;inset:0;width:100%;height:100%}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.16}
.blob-a{width:46vw;height:46vw;left:-12vw;top:-10vw;background:radial-gradient(circle,#d8b25c,transparent 70%);animation:drift 26s ease-in-out infinite alternate}
.blob-b{width:34vw;height:34vw;right:-8vw;top:24vh;background:radial-gradient(circle,#8f6db9,transparent 70%);opacity:.10;animation:drift 34s ease-in-out infinite alternate-reverse}
.blob-c{width:40vw;height:40vw;left:22vw;bottom:-18vw;background:radial-gradient(circle,#d8b25c,transparent 70%);animation:drift 30s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(6vw,5vh,0) scale(1.15)}}
.vignette{position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 40%,transparent 55%,rgba(5,6,10,.75))}

/* 导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .35s,border-color .35s,backdrop-filter .35s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(10,12,18,.72);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav-inner{max-width:1080px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav-brand{display:flex;align-items:center;gap:10px}
.nav-brand-text{font-family:var(--serif);letter-spacing:.22em;font-size:17px;color:var(--gold-hi)}
.seal{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;border-radius:8px;background:linear-gradient(145deg,#f0d492,#b3873c);color:#241a06;font-family:var(--serif);font-weight:700;font-size:19px;box-shadow:0 0 0 1px rgba(243,213,138,.35),0 4px 14px rgba(216,178,92,.25)}
.seal-sm{width:26px;height:26px;font-size:15px;border-radius:6px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14.5px;color:var(--muted)}
.nav-links a{transition:color .25s;letter-spacing:.08em}
.nav-links a:hover,.nav-links a.active{color:var(--gold-hi)}
.nav-cta{padding:7px 18px;border:1px solid var(--gold-dim);border-radius:999px;color:var(--gold-hi)!important}
.nav-cta:hover{background:rgba(216,178,92,.1)}

/* 首屏 */
.hero{min-height:100svh;display:flex;align-items:center;justify-content:center;position:relative;padding:120px 24px 80px;overflow:hidden}
.hero.has-cover .hero-inner{position:relative;z-index:2}
.hero-cover{position:absolute;inset:0;z-index:0}
.hero-cover img{width:100%;height:100%;object-fit:cover;opacity:.28}
.hero.has-cover::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,12,18,.72),rgba(10,12,18,.55) 45%,var(--bg) 96%)}
.hero-inner{max-width:760px;text-align:center}
.hero-badge{display:inline-block;padding:6px 18px;border:1px solid var(--line);border-radius:999px;background:var(--glass);color:var(--gold);font-size:13.5px;letter-spacing:.18em;margin-bottom:30px}
.hero-title{font-family:var(--serif);font-size:clamp(56px,11vw,108px);font-weight:700;letter-spacing:.16em;line-height:1.15;text-indent:.16em;background:linear-gradient(180deg,#f8e7b4 8%,#d8b25c 55%,#a97f2f 96%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 6px 26px rgba(216,178,92,.28))}
.hero-typing{margin-top:18px;font-size:clamp(18px,3vw,24px);letter-spacing:.3em;min-height:1.6em;color:var(--text)}
.caret{display:inline-block;width:2px;height:1.1em;background:var(--gold);margin-left:6px;vertical-align:-.15em;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero-desc{margin:26px auto 0;max-width:580px;color:var(--muted);font-size:15.5px}
.hero-cta{margin-top:42px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{padding:13px 34px;border-radius:999px;font-size:15px;letter-spacing:.1em;transition:transform .25s,box-shadow .25s,background .25s;border:0;cursor:pointer;font-family:inherit;display:inline-block}
.btn-gold{background:linear-gradient(145deg,#f0d492,#b3873c);color:#241a06;font-weight:600;box-shadow:0 6px 22px rgba(216,178,92,.3)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(216,178,92,.42)}
.btn-ghost{border:1px solid var(--gold-dim);color:var(--gold-hi);background:transparent}
.btn-ghost:hover{background:rgba(216,178,92,.08);transform:translateY(-2px)}
.scroll-hint{position:absolute;left:50%;bottom:34px;width:22px;height:36px;transform:translateX(-50%);border:1.5px solid var(--gold-dim);border-radius:12px;z-index:2}
.scroll-hint::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;border-radius:2px;background:var(--gold);transform:translateX(-50%);animation:hint 1.8s ease-in-out infinite}
@keyframes hint{0%{opacity:0;transform:translate(-50%,0)}35%{opacity:1}100%{opacity:0;transform:translate(-50%,12px)}}

/* 数据条 */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(13,16,23,.5)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:40px 24px}
.stat{text-align:center}
.stat-num{font-family:var(--serif);font-size:clamp(30px,4.2vw,44px);color:var(--gold-hi);line-height:1.2}
.stat-num .suffix{font-size:.55em;margin-left:2px}
.stat-label{margin-top:8px;color:var(--muted);font-size:13.5px;letter-spacing:.06em}

/* 通用区块 */
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.sec{padding:96px 0}
.sec-alt{background:rgba(13,16,23,.45);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;margin-bottom:54px}
.sec-kicker{color:var(--gold);font-size:13px;letter-spacing:.34em;margin-bottom:14px}
.sec-title{font-family:var(--serif);font-size:clamp(28px,4.6vw,40px);letter-spacing:.12em}
.sec-sub{margin-top:14px;color:var(--muted);font-size:15px}

/* 业务 / 陪跑卡 */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.biz-card{position:relative;display:flex;flex-direction:column;padding:34px 28px 28px;border-radius:16px;border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(8px);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.biz-card::before{content:"";position:absolute;inset:0;border-radius:16px;pointer-events:none;background:radial-gradient(320px 160px at 80% 0%,rgba(216,178,92,.12),transparent 70%)}
.biz-card:hover{transform:translateY(-5px);border-color:var(--gold-dim);box-shadow:0 16px 40px rgba(0,0,0,.35)}
.biz-no{font-family:var(--serif);font-size:15px;color:var(--gold);letter-spacing:.3em;margin-bottom:16px}
.biz-title{font-size:20px;letter-spacing:.06em;margin-bottom:12px;color:var(--gold-hi)}
.biz-desc{color:var(--muted);font-size:14.5px;flex:1}
.biz-point{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);color:var(--gold);font-size:13px;letter-spacing:.12em}
.biz-note{grid-column:1/-1;margin-top:26px;text-align:center;color:var(--muted);font-size:14px;letter-spacing:.04em}
.biz-note a{color:var(--gold-hi);border-bottom:1px dotted var(--gold-dim)}

/* 资料卡 */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod-card{position:relative;display:flex;flex-direction:column;padding:26px 24px 22px;border-radius:16px;border:1px solid var(--line);background:var(--glass);transition:transform .3s,border-color .3s,box-shadow .3s;overflow:hidden}
.prod-card::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(105deg,transparent,rgba(243,213,138,.09),transparent);transform:skewX(-18deg);transition:left .6s ease;pointer-events:none}
.prod-card:hover::after{left:125%}
.prod-card:hover{transform:translateY(-5px);border-color:var(--gold-dim);box-shadow:0 16px 40px rgba(0,0,0,.35)}
.prod-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.prod-name{font-size:17.5px;letter-spacing:.04em;color:var(--text)}
.prod-tag{flex:none;font-size:11.5px;color:var(--gold);border:1px solid var(--line);padding:2px 10px;border-radius:999px;letter-spacing:.1em}
.prod-desc{color:var(--muted);font-size:14px;flex:1}

/* 图集 */
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gal-item{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--glass);cursor:zoom-in;transition:transform .3s,border-color .3s}
.gal-item img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}
.gal-item:hover{border-color:var(--gold-dim);transform:translateY(-4px)}
.gal-item:hover img{transform:scale(1.04)}
.gal-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;font-size:13px;color:var(--text);background:linear-gradient(180deg,transparent,rgba(8,9,13,.88))}
.lightbox{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;background:rgba(5,6,10,.92);padding:4vw;cursor:zoom-out}
.lightbox.on{display:flex}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.6)}

/* 关于 */
.about-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center}
.about-text .sec-kicker,.about-text .sec-title{text-align:left}
.about-text p{margin-top:18px;color:var(--muted);font-size:15px}
.about-text .sec-title+p{margin-top:22px}
.about-pillars{display:flex;flex-direction:column;gap:14px}
.pillar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;border-radius:14px;border:1px solid var(--line);background:var(--glass);transition:border-color .3s,transform .3s}
.pillar:hover{border-color:var(--gold-dim);transform:translateX(4px)}
.pillar-name{font-family:var(--serif);font-size:17px;color:var(--gold-hi);letter-spacing:.1em}
.pillar-role{color:var(--muted);font-size:13px;text-align:right}
.about-more{display:inline-block;margin-top:22px;color:var(--gold-hi);font-size:14.5px;letter-spacing:.08em;border-bottom:1px dotted var(--gold-dim);padding-bottom:3px;transition:letter-spacing .25s}
.about-more:hover{letter-spacing:.16em}
.founder-card{display:flex;gap:18px;align-items:center;margin-top:26px;padding:20px 22px;border-radius:14px;border:1px solid var(--line);background:var(--glass)}
.avatar-slot{flex:none;width:56px;height:56px;border-radius:50%;overflow:hidden;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#f0d492,#b3873c);color:#241a06;font-family:var(--serif);font-size:22px;font-weight:700;box-shadow:0 0 0 1px rgba(243,213,138,.35),0 4px 14px rgba(216,178,92,.25)}
.avatar-slot img{display:block;width:100%;height:100%;object-fit:cover}
.founder-name{color:var(--gold-hi);font-size:16.5px;letter-spacing:.04em}
.founder-role{color:var(--muted);font-size:13px;margin-top:6px;line-height:1.7}

/* 联系 */
.contact-wrap{text-align:center}
.qr-card{display:inline-flex;flex-direction:column;align-items:center;gap:16px}
.qr-ring{padding:10px;border-radius:20px;background:linear-gradient(145deg,rgba(240,212,146,.9),rgba(169,127,47,.6));box-shadow:0 14px 44px rgba(216,178,92,.22)}
.qr-img{display:block;width:220px;height:220px;object-fit:cover;border-radius:12px;background:#fff}
.qr-empty{width:220px;height:220px;border-radius:12px;background:#fff;color:#a4956e;display:flex;align-items:center;justify-content:center;font-size:13px}
.qr-caption{color:var(--muted);letter-spacing:.2em;font-size:14px}
.wx-card{
  width:100%;max-width:400px;margin:26px auto 0;padding:4px 18px 0;text-align:left;
  border-radius:14px;border:1px solid var(--line);background:var(--glass);transition:border-color .25s
}
.wx-card:hover{border-color:var(--gold-dim)}
.wx-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid rgba(216,178,92,.10)}
.wx-row:last-child{border-bottom:0}
.wx-k{flex:0 0 68px;font-size:12px;color:var(--muted);letter-spacing:.04em}
.wx-v{flex:1 1 auto;min-width:0;font-family:var(--serif);font-size:15.5px;font-weight:600;color:var(--gold-hi);letter-spacing:.04em;overflow-wrap:anywhere}
.wx-copy{
  flex:none;font:inherit;font-size:12.5px;color:var(--gold);background:transparent;cursor:pointer;
  border:1px solid var(--gold-dim);border-radius:999px;padding:6px 14px;transition:background .2s,color .2s,border-color .2s
}
.wx-copy:hover{background:rgba(216,178,92,.12);border-color:var(--gold)}
.wx-copy.on{background:rgba(216,178,92,.18);border-color:var(--gold);color:var(--gold-hi)}
.wx-tip{padding:0 0 12px;font-size:12.5px;color:var(--muted);line-height:1.7}

/* 页脚 */
.footer{border-top:1px solid var(--line);background:rgba(10,12,18,.8);padding:44px 0 36px;text-align:center}
.footer-brand{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.footer-brand-link{font-family:var(--serif);color:var(--gold-hi);letter-spacing:.2em;font-size:16px}
.footer-company{color:var(--muted);font-size:13px;letter-spacing:.1em}
.footer-icp{margin-top:18px;font-size:13px}
.footer-icp a{color:var(--muted);letter-spacing:.06em;border-bottom:1px dotted var(--gold-dim);padding-bottom:2px}
.footer-icp a:hover{color:var(--gold-hi)}
.footer-copy{margin-top:14px;color:#6d6a62;font-size:12.5px;letter-spacing:.08em}

/* 实拍区底部：视频合集入口 */
.gal-more{margin-top:22px;text-align:center}
.gal-more a{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--gold-hi);letter-spacing:.06em;border-bottom:1px solid rgba(216,178,92,.35);padding-bottom:2px;transition:border-color .25s,color .25s}
.gal-more a:hover{border-color:var(--gold);color:#fff3d2}
.gal-more span{font-size:16px;opacity:.8}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:900px){
  .biz-grid,.prod-grid,.gal-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:34px}
}
@media (max-width:640px){
  .sec{padding:68px 0}
  .biz-grid,.prod-grid{grid-template-columns:1fr}
  .gal-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 10px}
  .nav-inner{padding:12px 16px}
  .nav-links{gap:14px;font-size:13.5px}
  .nav-brand-text{display:none}
  .biz-desc{min-height:0}
  .hero{padding-top:104px}
  .pillar-role{text-align:left}
  .qr-img,.qr-empty{width:180px;height:180px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .blob,.caret,.scroll-hint::after{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
}