/* ============================================================
   烟台赢创 · 美团餐饮系统烟台官方授权代理
   Theme v3.0 · 美团黄（黑 + 黄）
   ============================================================ */
:root{
  --yellow:#FFC300;
  --yellow-d:#FFB000;
  --yellow-t:#FFF7DC;
  --yellow-t2:#FFEFC0;
  --orange:#FF6A00;
  --grad-y:linear-gradient(135deg,#FFD100 0%,#FF9E00 100%);
  --grad-num:linear-gradient(180deg,#FFC300 10%,#FF8A00 90%);
  --black:#141414;
  --black-2:#1F1F1F;
  --black-3:#2B2B2B;
  --ink:#262626;
  --ink-2:#595959;
  --ink-3:#8C8C8C;
  --line:#ECECEC;
  --bg:#FFFFFF;
  --soft:#F7F8FA;
  --r-sm:10px; --r-md:14px; --r-lg:20px;
  --shadow-sm:0 2px 10px rgba(0,0,0,.05);
  --shadow-md:0 10px 28px rgba(0,0,0,.09);
  --shadow-lg:0 22px 55px rgba(0,0,0,.14);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:var(--yellow);color:var(--black)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:92px 0}
.section-soft{background:var(--soft)}
.section-warm{background:linear-gradient(180deg,#FFFDF3,#FFF7DC)}

/* ---------- 标题（美团黄双杠装饰） ---------- */
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-title{
  display:inline-flex;align-items:center;gap:16px;
  font-size:clamp(25px,3.2vw,36px);font-weight:900;color:var(--black);line-height:1.3;letter-spacing:.01em;
}
.sec-bars{display:inline-flex;gap:4px;flex:none}
.sec-bars i{width:6px;height:24px;border-radius:3px;background:var(--grad-y);transform:skewX(-8deg)}
.sec-sub{margin-top:14px;font-size:16px;color:var(--ink-2)}
.sec-tag{
  display:inline-block;margin-bottom:14px;padding:5px 16px;border-radius:999px;
  background:var(--yellow-t);border:1px solid var(--yellow-t2);
  font-size:13px;font-weight:700;color:#8a6d00;letter-spacing:.08em;
}
.sec-head .sec-tag{display:table;margin:0 auto 16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 32px;border-radius:999px;font-size:16px;font-weight:700;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;white-space:nowrap;
}
.btn-primary{background:var(--grad-y);color:var(--black);box-shadow:0 10px 24px rgba(255,195,0,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(255,158,0,.5)}
.btn-dark{background:var(--black);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-3px)}
.btn-ghost{border:1.5px solid var(--black);color:var(--black);background:#fff}
.btn-ghost:hover{background:var(--black);color:#fff;transform:translateY(-3px)}
.btn-ghost-w{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost-w:hover{background:#fff;color:var(--black);transform:translateY(-3px)}
.btn-sm{padding:9px 22px;font-size:14.5px}

/* ---------- 顶部黑色导航 ---------- */
.header{position:sticky;top:0;z-index:50;background:var(--black);box-shadow:0 2px 16px rgba(0,0,0,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;color:#fff}
.logo-mark{
  width:38px;height:38px;border-radius:9px;flex:none;background:var(--grad-y);
  display:flex;align-items:center;justify-content:center;color:var(--black);
  font-size:21px;font-weight:900;box-shadow:0 4px 14px rgba(255,195,0,.35);
}
.logo small{display:block;font-size:11px;font-weight:600;color:#9a9a9a;letter-spacing:.05em}
.nav-links{display:flex;align-items:center;gap:36px}
.nav-links a{font-size:15.5px;font-weight:600;color:#BDBDBD;position:relative;padding:22px 0;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:14px;width:0;height:3px;border-radius:3px;background:var(--yellow);transition:width .25s}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff}
.nav-links a.active::after{width:22px}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}

/* ---------- 首屏（浅色，官方风格） ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 480px at 88% -10%,rgba(255,195,0,.28),transparent 60%),
    radial-gradient(700px 420px at -10% 110%,rgba(255,195,0,.16),transparent 60%),
    linear-gradient(180deg,#FFFDF4 0%,#FFF9E3 100%);
}
.hero-inner{
  display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;
  padding:74px 0 90px;position:relative;z-index:2;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:8px 18px;border-radius:999px;
  background:var(--black);color:var(--yellow);font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:26px;
}
.hero h1{font-size:clamp(32px,4.4vw,52px);font-weight:900;line-height:1.24;color:var(--black);letter-spacing:.01em}
.hero h1 .hl{
  position:relative;white-space:nowrap;z-index:1;
  background:linear-gradient(180deg,transparent 62%,var(--yellow) 62%,var(--yellow) 96%,transparent 96%);
  padding:0 4px;
}
.hero-sub{margin-top:22px;font-size:clamp(15.5px,1.5vw,18px);color:var(--ink-2);max-width:560px;line-height:1.85}
.hero-sub b{color:var(--black)}
.hero-cta{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap}
.hero-trust{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px 26px;font-size:14.5px;color:var(--ink-2);font-weight:600}
.hero-trust li{display:flex;align-items:center;gap:8px}
.hero-trust svg{color:#D9A400;flex:none}

.hero-media{position:relative}
.hero-media .photo{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);
  border:5px solid #fff;transform:rotate(1.2deg);
}
.hero-media .photo img{width:100%;height:400px;object-fit:cover}
.hero-media::before{
  content:"";position:absolute;right:-16px;top:-16px;width:120px;height:120px;border-radius:22px;
  background:var(--grad-y);z-index:-1;
}
.hero-media::after{
  content:"";position:absolute;left:-18px;bottom:-18px;width:150px;height:150px;border-radius:24px;
  border:4px solid var(--yellow-t2);z-index:-1;
}
.hero-chip{
  position:absolute;background:#fff;border-radius:14px;box-shadow:var(--shadow-md);
  padding:12px 18px;display:flex;align-items:center;gap:11px;font-size:14px;font-weight:700;color:var(--black);
}
.hero-chip small{display:block;font-size:12px;font-weight:500;color:var(--ink-3)}
.hero-chip .ic{width:38px;height:38px;border-radius:10px;flex:none;display:flex;align-items:center;justify-content:center;background:var(--yellow-t);color:#C99200}
.hero-chip.c1{left:-26px;top:38px}
.hero-chip.c2{right:-14px;bottom:34px}

/* ---------- 数据统计条 ---------- */
.stats-band{position:relative;z-index:5;margin-top:-46px}
.stats-card{
  background:var(--black);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:repeat(4,1fr);padding:34px 18px;gap:18px;
  border-bottom:4px solid var(--yellow);
}
.stat{text-align:center;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:-9px;top:14%;height:72%;width:1px;background:rgba(255,255,255,.14)}
.stat-num{font-family:var(--font-num);font-size:clamp(30px,3.2vw,42px);font-weight:800;line-height:1.1;
  background:var(--grad-num);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-num em{font-style:normal;font-size:.6em;margin-left:2px}
.stat-label{margin-top:6px;font-size:13.5px;color:#B8B8B8;font-weight:600}

/* ---------- 能力矩阵（官方风格 2 列大卡） ---------- */
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.cap-card{
  display:flex;gap:20px;align-items:flex-start;background:#fff;border-radius:var(--r-md);
  padding:30px 30px;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.cap-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--yellow)}
.cap-icon{
  flex:none;width:56px;height:56px;border-radius:14px;background:var(--yellow-t);
  display:flex;align-items:center;justify-content:center;color:#C99200;
  transition:background .3s,color .3s;
}
.cap-card:hover .cap-icon{background:var(--grad-y);color:var(--black)}
.cap-card h3{font-size:19px;font-weight:800;color:var(--black)}
.cap-card p{margin-top:6px;font-size:14.5px;color:var(--ink-2)}

/* ---------- 服务数据（黄色大数字） ---------- */
.svc-nums{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc-num{
  text-align:center;padding:40px 16px 34px;background:#fff;border-radius:var(--r-md);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;
}
.svc-num:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.svc-num b{
  display:block;font-family:var(--font-num);font-size:clamp(38px,4.4vw,54px);font-weight:800;line-height:1.1;
  background:var(--grad-num);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.svc-num b em{font-style:normal;font-size:.5em;margin-left:2px}
.svc-num strong{display:block;margin-top:10px;font-size:16px;font-weight:800;color:var(--black)}
.svc-num span{display:block;margin-top:4px;font-size:13.5px;color:var(--ink-3)}

/* ---------- 版本卡片（青春版 / 智能版） ---------- */
.ver-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.ver-card{
  position:relative;border-radius:var(--r-lg);padding:42px 40px;overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-md);
  transition:transform .35s,box-shadow .35s;
}
.ver-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.ver-card.dark{background:var(--black);border-color:var(--black);color:#fff}
.ver-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:6px;background:var(--grad-y)}
.ver-flag{
  display:inline-block;padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:800;letter-spacing:.06em;
  background:var(--yellow-t);color:#8a6d00;margin-bottom:18px;
}
.ver-card.dark .ver-flag{background:rgba(255,195,0,.16);color:var(--yellow)}
.ver-card h3{font-size:26px;font-weight:900;color:var(--black)}
.ver-card.dark h3{color:#fff}
.ver-card>p{margin-top:8px;font-size:15px;color:var(--ink-2)}
.ver-card.dark>p{color:#B8B8B8}
.ver-feats{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.ver-feats li{
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:700;
  background:var(--soft);color:var(--ink);border:1px solid var(--line);
}
.ver-card.dark .ver-feats li{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:#E6E6E6}
.ver-foot{margin-top:28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ver-note{font-size:13px;color:var(--ink-3)}
.ver-card.dark .ver-note{color:#8f8f8f}

/* ---------- 硬件产品条 ---------- */
.hw-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.hw-chip{
  padding:11px 22px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14.5px;font-weight:700;color:var(--ink-2);box-shadow:var(--shadow-sm);
  transition:transform .25s,border-color .25s,color .25s;
}
.hw-chip:hover{transform:translateY(-3px);border-color:var(--yellow);color:var(--black)}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{
  background:#fff;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-md);transition:transform .35s,box-shadow .35s;display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.case-cover{
  height:148px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.case-cover.alt1{background:linear-gradient(135deg,#1F1F1F,#3A3A3A)}
.case-cover.alt2{background:linear-gradient(135deg,#FFC300,#FF8A00)}
.case-cover.alt3{background:linear-gradient(135deg,#3D3325,#8A6D1F)}
.case-cover .case-name{font-size:26px;font-weight:900;color:#fff;letter-spacing:.06em;text-shadow:0 3px 14px rgba(0,0,0,.3)}
.case-cover .case-type{
  position:absolute;top:14px;left:14px;padding:4px 13px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);color:#fff;font-size:12px;font-weight:700;backdrop-filter:blur(4px);
}
.case-body{padding:26px;flex:1;display:flex;flex-direction:column}
.case-quote{font-size:14.5px;color:var(--ink-2);line-height:1.78}
.case-quote::before{content:"“";font-size:30px;line-height:0;color:var(--yellow);font-weight:900;margin-right:4px;vertical-align:-6px}
.case-metrics{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.case-metric{background:var(--yellow-t);border-radius:var(--r-sm);padding:14px 16px}
.case-metric b{display:block;font-family:var(--font-num);font-size:24px;font-weight:800;color:#B87800;line-height:1.15}
.case-metric span{font-size:12.5px;color:var(--ink-2)}
.case-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.case-tags li{font-size:12px;font-weight:700;color:var(--ink);background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:4px 12px}
.case-note{text-align:center;margin-top:24px;font-size:13.5px;color:var(--ink-3)}

/* ---------- 业态分隔条（官方风格） ---------- */
.biz-band{text-align:center}
.biz-total{
  display:inline-flex;align-items:center;gap:14px;font-size:clamp(18px,2.2vw,24px);font-weight:900;color:var(--black);
}
.biz-total .dot{width:8px;height:8px;border-radius:50%;background:var(--yellow)}
.biz-total .line{width:60px;height:2px;background:linear-gradient(90deg,transparent,var(--yellow));border-radius:2px}
.biz-total .line.r{background:linear-gradient(90deg,var(--yellow),transparent)}
.biz-chips{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.biz-chips li{
  padding:10px 24px;border-radius:999px;background:var(--yellow-t);border:1px solid var(--yellow-t2);
  font-size:15px;font-weight:700;color:#7A5F00;transition:background .25s,color .25s,transform .25s;
}
.biz-chips li:hover{background:var(--grad-y);color:var(--black);transform:translateY(-3px)}

/* ---------- 品牌墙 ---------- */
.brand-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.brand-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px 8px;text-align:center;font-weight:700;font-size:15px;color:var(--ink);
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.brand-item:hover{transform:translateY(-4px);border-color:var(--yellow);box-shadow:var(--shadow-md)}

/* ---------- 授权证书 ---------- */
.cert-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.cert-card{
  position:relative;background:#fff;border-radius:var(--r-lg);padding:44px 42px;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
}
.cert-card::before{content:"";position:absolute;inset:12px;border:1.5px dashed #E8D48A;border-radius:14px;pointer-events:none}
.cert-seal{
  position:absolute;right:34px;top:34px;width:88px;height:88px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#FFE066,#FFC300 60%,#F0A800);
  color:var(--black);display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-weight:900;box-shadow:0 10px 24px rgba(255,195,0,.45);transform:rotate(8deg);border:3px solid #fff;
}
.cert-seal b{font-size:19px;line-height:1.1}
.cert-seal span{font-size:10.5px;font-weight:700}
.cert-card h3{font-size:22px;font-weight:900;color:var(--black)}
.cert-card .cert-en{font-size:12px;letter-spacing:.22em;color:var(--ink-3);margin-top:4px;text-transform:uppercase}
.cert-list{margin-top:26px;display:grid;gap:16px}
.cert-list li{display:grid;grid-template-columns:88px 1fr;gap:14px;font-size:15px;align-items:baseline}
.cert-list .k{color:var(--ink-3);font-weight:600}
.cert-list .v{font-weight:700;color:var(--ink)}
.cert-copy .sec-title{font-size:clamp(24px,3vw,34px)}
.cert-copy p{margin-top:18px;color:var(--ink-2);font-size:15.5px}
.cert-points{margin-top:26px;display:grid;gap:14px}
.cert-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;font-weight:600}
.cert-points svg{flex:none;color:#D9A400;margin-top:3px}

/* ---------- 选择理由 ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why-card{
  background:#fff;border-radius:var(--r-md);padding:34px 26px;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s,border-color .3s;
}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--yellow)}
.why-num{font-family:var(--font-num);font-size:15px;font-weight:800;color:#D9A400;letter-spacing:.1em}
.why-icon{width:52px;height:52px;border-radius:14px;background:var(--yellow-t);color:#C99200;display:flex;align-items:center;justify-content:center;margin:16px 0 18px}
.why-card h3{font-size:18px;font-weight:800;color:var(--black)}
.why-card p{margin-top:8px;font-size:14.5px;color:var(--ink-2)}

/* ---------- 流程 ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  position:relative;background:#fff;border-radius:var(--r-md);padding:36px 26px 30px;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);transition:transform .3s,box-shadow .3s;
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.step-no{
  width:46px;height:46px;border-radius:50%;background:var(--black);color:var(--yellow);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);
  font-size:20px;font-weight:800;margin-bottom:18px;box-shadow:0 8px 18px rgba(0,0,0,.2);
}
.step:nth-child(2) .step-no{background:#2E2E2E}
.step:nth-child(3) .step-no{background:linear-gradient(135deg,#3A3A3A,#8a6d00)}
.step:nth-child(4) .step-no{background:var(--grad-y);color:var(--black)}
.step h3{font-size:18px;font-weight:800;color:var(--black)}
.step p{margin-top:8px;font-size:14.5px;color:var(--ink-2)}
.step-line{position:absolute;top:58px;right:-22px;width:22px;color:#D8D8D8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:box-shadow .3s,border-color .3s}
.faq-item.open{border-color:var(--yellow);box-shadow:var(--shadow-md)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;text-align:left;font-size:16.5px;font-weight:700;color:var(--black)}
.faq-q .faq-ico{flex:none;width:30px;height:30px;border-radius:50%;background:var(--soft);display:flex;align-items:center;justify-content:center;color:#B87800;transition:transform .3s,background .3s}
.faq-item.open .faq-ico{transform:rotate(45deg);background:var(--yellow-t)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 26px 24px;color:var(--ink-2);font-size:15px;line-height:1.8}

/* ---------- CTA 黑色横幅 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--black);color:#fff}
.cta-band::before{content:"";position:absolute;right:-120px;top:-160px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(255,195,0,.28),transparent 65%)}
.cta-band::after{content:"";position:absolute;left:-140px;bottom:-200px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,195,0,.14),transparent 65%)}
.cta-inner{position:relative;z-index:2;text-align:center;padding:84px 24px}
.cta-inner h2{font-size:clamp(25px,3.2vw,38px);font-weight:900}
.cta-inner h2 .y{color:var(--yellow)}
.cta-inner p{margin-top:14px;color:#BDBDBD;font-size:16.5px}
.cta-actions{margin-top:36px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-phone{
  display:inline-flex;align-items:center;gap:12px;background:var(--grad-y);color:var(--black);
  padding:16px 34px;border-radius:999px;font-size:19px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 14px 32px rgba(255,195,0,.35);transition:transform .25s,box-shadow .25s;
}
.cta-phone:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(255,158,0,.45)}

/* ---------- 子页头 ---------- */
.page-hero{position:relative;background:var(--black);color:#fff;padding:80px 0 72px;overflow:hidden;text-align:center}
.page-hero::before{content:"";position:absolute;right:-100px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,195,0,.24),transparent 65%)}
.page-hero::after{content:"";position:absolute;left:-120px;bottom:-180px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,195,0,.12),transparent 65%)}
.page-hero h1{font-size:clamp(27px,3.6vw,42px);font-weight:900;position:relative;z-index:2}
.page-hero h1 i{font-style:normal;color:var(--yellow)}
.page-hero p{margin-top:14px;color:#BDBDBD;font-size:16.5px;position:relative;z-index:2}
.crumb{position:relative;z-index:2;margin-top:18px;font-size:13.5px;color:#8f8f8f}
.crumb a:hover{color:var(--yellow)}
.crumb span{margin:0 8px;opacity:.6}

/* ---------- 功能矩阵（服务页） ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat-card{
  background:#fff;border-radius:var(--r-md);padding:32px 28px;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s,border-color .3s;
}
.feat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--yellow)}
.feat-icon{width:54px;height:54px;border-radius:15px;display:flex;align-items:center;justify-content:center;background:var(--black);color:var(--yellow);margin-bottom:18px}
.feat-card:nth-child(even) .feat-icon{background:var(--grad-y);color:var(--black)}
.feat-card h3{font-size:18px;font-weight:800;color:var(--black)}
.feat-card p{margin-top:8px;font-size:14.5px;color:var(--ink-2)}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.rev>.split-media{order:2}
.split-media{position:relative}
.split-media img{border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:100%;object-fit:cover;border:5px solid #fff}
.split-media::before{content:"";position:absolute;left:-18px;top:-18px;width:110px;height:110px;border-radius:22px;background:var(--grad-y);z-index:0}
.split-media::after{content:"";position:absolute;right:-18px;bottom:-18px;width:140px;height:140px;border-radius:24px;border:4px solid var(--yellow-t2);z-index:0}
.split-media img{position:relative;z-index:1}
.split-body h2{font-size:clamp(24px,3vw,34px);font-weight:900;color:var(--black);line-height:1.32}
.split-body .lead{margin-top:18px;color:var(--ink-2);font-size:15.5px}
.split-body .lead+p{margin-top:12px}
.check-list{margin-top:24px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;font-weight:600}
.check-list svg{flex:none;color:#D9A400;margin-top:3px}
.check-list small{display:block;font-weight:400;color:var(--ink-3);font-size:13.5px;margin-top:2px}

/* ---------- 企业理念 ---------- */
.value-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.v-card{background:#fff;border-radius:var(--r-md);padding:36px 26px;text-align:center;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s,border-color .3s}
.v-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--yellow)}
.v-card .why-icon{margin:0 auto 18px}
.v-card h3{font-size:18px;font-weight:800;color:var(--black)}
.v-card p{margin-top:10px;font-size:14px;color:var(--ink-2)}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start}
.c-cards{display:grid;gap:16px}
.c-card{
  display:flex;gap:18px;align-items:flex-start;background:#fff;border-radius:var(--r-md);
  padding:22px 24px;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.c-card:hover{transform:translateX(6px);box-shadow:var(--shadow-md);border-color:var(--yellow)}
.c-icon{flex:none;width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--black)}
.c-icon.y{background:var(--grad-y)}
.c-icon.b{background:var(--black);color:var(--yellow)}
.c-icon.g{background:linear-gradient(135deg,#0B7A46,#1FA85C);color:#fff}
.c-icon.p{background:linear-gradient(135deg,#5B2E91,#8B4FD8);color:#fff}
.c-icon.d{background:linear-gradient(135deg,#2B2B2B,#4A4A4A);color:var(--yellow)}
.c-card h3{font-size:15px;font-weight:800;color:var(--black)}
.c-card .c-main{font-size:17px;font-weight:800;color:var(--ink);margin-top:2px}
.c-card .c-sub{font-size:13px;color:var(--ink-3);margin-top:2px}
.c-card a.c-main:hover{color:#B87800}

.form-card{background:#fff;border-radius:var(--r-lg);padding:40px;box-shadow:var(--shadow-lg);border:1px solid var(--line);border-top:6px solid var(--yellow)}
.form-card h3{font-size:22px;font-weight:900;color:var(--black)}
.form-card>p{margin-top:6px;font-size:14px;color:var(--ink-3)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:700;color:var(--black)}
.form-field label i{color:var(--orange);font-style:normal;margin-left:2px}
.form-field input,.form-field select,.form-field textarea{
  border:1.5px solid var(--line);border-radius:var(--r-sm);padding:13px 16px;font-size:15px;
  font-family:inherit;color:var(--ink);background:var(--soft);
  transition:border-color .25s,box-shadow .25s,background .25s;outline:none;resize:vertical;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--yellow-d);background:#fff;box-shadow:0 0 0 4px rgba(255,195,0,.18)}
.form-submit{width:100%;margin-top:24px;font-size:17px}
.form-tip{margin-top:14px;text-align:center;font-size:13px;color:var(--ink-3)}
.form-success{display:none;margin-top:16px;padding:14px 18px;border-radius:var(--r-sm);background:#ECFDF3;border:1px solid #A6E9C5;color:#0B7A46;font-size:14.5px;font-weight:600;text-align:center}

.map-wrap{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);position:relative}
.map-wrap img{width:100%;height:420px;object-fit:cover}
.map-pin{position:absolute;left:24px;bottom:24px;background:#fff;border-radius:var(--r-md);box-shadow:var(--shadow-md);padding:16px 22px;display:flex;gap:14px;align-items:center;max-width:380px}
.map-pin .c-icon{width:44px;height:44px;border-radius:12px}
.map-pin b{display:block;font-size:15px;color:var(--black)}
.map-pin span{font-size:13px;color:var(--ink-2)}

/* ---------- 黑色页脚（官方风格） ---------- */
.footer{background:var(--black);color:#9a9a9a;padding:68px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:50px}
.footer .logo{color:#fff}
.footer-about{margin-top:18px;line-height:1.8;font-size:14px;color:#8f8f8f}
.footer h4{color:#fff;font-size:16px;font-weight:800;margin-bottom:20px}
.footer-links{display:grid;gap:12px}
.footer-links a{transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--yellow);padding-left:6px}
.footer-contact{display:grid;gap:14px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.6}
.footer-contact svg{flex:none;color:var(--yellow);margin-top:4px}
.footer-contact a:hover{color:var(--yellow)}
.footer-qrs{display:flex;gap:18px;margin-top:18px}
.footer-qr{width:96px;text-align:center}
.footer-qr .box{
  width:96px;height:96px;border-radius:12px;background:#fff;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;color:#9a9a9a;font-size:11px;overflow:hidden;
}
.footer-qr .box img{width:100%;height:100%;object-fit:cover}
.footer-qr span{display:block;margin-top:8px;font-size:12px;color:#8f8f8f}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:#7a7a7a}
.footer-bottom a{color:#7a7a7a}
.footer-bottom a:hover{color:var(--yellow)}

/* ---------- 悬浮按钮 ---------- */
.float-actions{position:fixed;right:22px;bottom:28px;z-index:80;display:flex;flex-direction:column;gap:12px}
.float-btn{
  width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);transition:transform .25s,box-shadow .25s;position:relative;
}
.float-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:var(--shadow-lg)}
.float-btn.phone{background:var(--grad-y);color:var(--black)}
.float-btn.wechat{background:linear-gradient(135deg,#0B7A46,#1FA85C);color:#fff}
.float-btn.top{background:var(--black);color:var(--yellow);opacity:0;pointer-events:none;transform:translateY(8px)}
.float-btn.top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-tip{
  position:absolute;right:64px;top:50%;transform:translateY(-50%);background:var(--black);color:#fff;
  font-size:13px;font-weight:600;padding:7px 14px;border-radius:8px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity .2s;
}
.float-btn:hover .float-tip{opacity:1}

/* ---------- 微信弹窗 ---------- */
.wx-modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:24px}
.wx-modal.open{display:flex}
.wx-mask{position:absolute;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(4px)}
.wx-card{position:relative;background:#fff;border-radius:var(--r-lg);padding:36px 32px 30px;text-align:center;width:320px;box-shadow:var(--shadow-lg);animation:popIn .3s ease}
@keyframes popIn{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}
.wx-card h3{font-size:19px;font-weight:900;color:var(--black)}
.wx-card p{margin-top:4px;font-size:13.5px;color:var(--ink-3)}
.wx-qr{margin:22px auto 0;width:210px;height:210px;border-radius:var(--r-md);border:2px dashed #D8C98F;background:var(--yellow-t);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#8a6d00}
.wx-qr img{width:100%;height:100%;object-fit:cover;border-radius:8px}
.wx-qr:has(img){border:none;background:transparent;padding:0}
.wx-qr b{font-size:14px;color:var(--ink-2)}
.wx-close{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;background:var(--soft);color:var(--ink-2);display:flex;align-items:center;justify-content:center}
.wx-close:hover{background:var(--yellow-t)}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}

/* ---------- 单版本居中 ---------- */
.ver-grid.ver-single{grid-template-columns:1fr;max-width:620px;margin:0 auto}

/* ---------- 双平台代运营 ---------- */
.dp-stack{display:grid;gap:18px}
.dp-card{border-radius:var(--r-lg);padding:30px 32px;box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.dp-card.dark{background:var(--black);color:#fff}
.dp-card.dark::before{content:"";position:absolute;right:-60px;top:-80px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,195,0,.22),transparent 65%)}
.dp-card.yellow{background:var(--grad-y);color:var(--black)}
.dp-card h3{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;position:relative;z-index:2}
.dp-card h3 .logo-mark{width:34px;height:34px;border-radius:9px;font-size:18px}
.dp-card.dark h3 .logo-mark{background:var(--grad-y);color:var(--black)}
.dp-card.yellow h3 .logo-mark{background:var(--black);color:var(--yellow)}
.dp-card>p{margin-top:8px;font-size:14px;opacity:.82;position:relative;z-index:2}
.dp-chips{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;position:relative;z-index:2}
.dp-chips li{padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:700}
.dp-card.dark .dp-chips li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#EDEDED}
.dp-card.yellow .dp-chips li{background:rgba(0,0,0,.07);border:1px solid rgba(0,0,0,.14);color:#262626}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .why-grid,.process,.value-cards,.svc-nums{grid-template-columns:repeat(2,1fr)}
  .step-line{display:none}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .brand-grid{grid-template-columns:repeat(4,1fr)}
  .case-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-media .photo img{height:320px}
  .hero-chip.c1{left:10px}
  .hero-chip.c2{right:10px}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .nav-links{
    position:fixed;top:0;right:-100%;width:min(78vw,320px);height:100vh;background:var(--black);
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    padding:100px 32px 40px;gap:4px;transition:right .35s ease;z-index:55;
  }
  .nav-links.open{right:0}
  .nav-links a{font-size:17px;width:100%;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-links a::after{display:none}
  .nav-toggle{display:flex;z-index:56}
  .nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .nav-cta .btn{display:none}
  .hero-inner{padding:56px 0 110px}
  .stats-card{grid-template-columns:1fr 1fr;padding:26px 14px}
  .stat:nth-child(2)::after{display:none}
  .cap-grid,.ver-grid,.case-grid,.cert-wrap,.split,.contact-grid,.form-row,.feat-grid{grid-template-columns:1fr}
  .split{gap:40px}
  .split.rev>.split-media{order:0}
  .brand-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:center;text-align:center}
  .form-card{padding:28px 22px}
  .cta-actions .btn,.cta-actions .cta-phone{width:100%;justify-content:center}
  .float-actions{right:14px;bottom:18px}
  .cert-seal{width:74px;height:74px;right:22px;top:22px}
  .cert-card{padding:36px 26px}
  .sec-title{gap:10px}
  .sec-bars i{height:20px;width:5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}