:root{
  /* --- 底色：明亮通透 --- */
  --bg-0:#ffffff;            /* 主背景 纯白 */
  --bg-1:#f7f9fc;            /* 次背景 极浅灰蓝 */
  --bg-2:#fff4ee;            /* 暖色浅底 用于强调区块 */
  --bg-card:#ffffff;         /* 卡片面 */
  --line:#e8edf4;            /* 常规描边 */
  --line-2:#d8e0ec;          /* 较强描边 */
  /* --- 品牌色：活力橙 --- */
  --brand:#ff6b35;           /* 主品牌色 */
  --brand-d:#e8551d;         /* 深一档 用于渐变压深 */
  --brand-l:#fff0e9;         /* 极浅橙 用于底色块 */
  --brand-2:#ffa552;         /* 辅助暖橙 用于渐变第二色 */
  --accent:#ff3d68;          /* 强调红 用于直播/热度标识 */
  /* --- 文本：深灰蓝体系，对比充足 --- */
  --text-0:#101828;          /* 标题 近黑 */
  --text-1:#4a5468;          /* 正文 中灰 */
  --text-2:#8a93a6;          /* 辅助 浅灰 */
  /* --- 语义色：中国市场惯例 涨红跌绿 --- */
  --up:#e5484d; --down:#18a058;
  /* --- 阴影：浅色主题靠阴影建立层次 --- */
  --sh-1:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --sh-2:0 4px 12px rgba(16,24,40,.06),0 2px 4px rgba(16,24,40,.04);
  --sh-3:0 12px 32px rgba(16,24,40,.09),0 4px 8px rgba(16,24,40,.04);
  --sh-brand:0 6px 20px rgba(255,107,53,.26);
  --max:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg-0); color:var(--text-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px; line-height:1.7; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.82); backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent; transition:.3s;
}
header.scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.95);box-shadow:var(--sh-1)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text-0);font-size:17px;letter-spacing:-.01em}
.logo-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;
  box-shadow:0 3px 10px rgba(255,107,53,.3);
}
.logo-mark svg{width:18px;height:18px}
.logo small{display:block;font-size:10px;font-weight:400;color:var(--text-2);letter-spacing:.08em;line-height:1}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{
  padding:8px 14px;border-radius:8px;font-size:14px;color:var(--text-1);transition:.2s;
}
.nav-links a:hover{color:var(--text-0);background:var(--bg-1)}
.nav-links a.active{color:var(--brand);font-weight:600;background:var(--brand-l)}
.nav-right{display:flex;align-items:center;gap:10px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 22px;border-radius:10px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap;
  font-family:inherit;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  box-shadow:var(--sh-brand);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,107,53,.38)}
.btn-ghost{
  background:#fff;border-color:var(--line-2);color:var(--text-0);box-shadow:var(--sh-1);
}
.btn-ghost:hover{background:#fff;border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{padding:8px 16px;font-size:13px}
.btn-lg{padding:14px 30px;font-size:15px}

/* ============ 页面路由 ============ */
.page{display:none}
.page.active{display:block}

/* ============ 通用区块 ============ */
section{padding:104px 0;position:relative}
section.tight{padding:76px 0}
.bg-alt{background:var(--bg-1)}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;color:var(--brand);letter-spacing:.1em;
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--brand)}
.sec-head.center .eyebrow::before{display:none}
h1,h2,h3,h4{color:var(--text-0);font-weight:700;letter-spacing:-.02em;line-height:1.22}
h2{font-size:38px;margin-bottom:18px}
h3{font-size:19px;margin-bottom:10px;letter-spacing:-.01em}
.sec-head p{font-size:16px;color:var(--text-1);line-height:1.75}

/* ============ 首屏 Hero ============ */
.hero{
  padding:150px 0 116px;position:relative;overflow:hidden;
  background:
    radial-gradient(900px 520px at 12% -12%,rgba(255,107,53,.10),transparent 62%),
    radial-gradient(760px 520px at 92% 4%,rgba(255,165,82,.14),transparent 64%),
    radial-gradient(700px 420px at 50% 112%,rgba(255,107,53,.06),transparent 70%),
    linear-gradient(180deg,#fffdfb,#ffffff 62%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(16,24,40,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(16,24,40,.028) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 26%,#000 1%,transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 50% 26%,#000 1%,transparent 70%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:60px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 14px 6px 8px;border-radius:100px;
  background:#fff;border:1px solid var(--line-2);box-shadow:var(--sh-1);
  font-size:12.5px;color:var(--text-1);margin-bottom:26px;
}
.pill b{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;padding:2px 9px;border-radius:100px;font-size:11px;font-weight:700;
}
.hero h1{font-size:58px;line-height:1.14;margin-bottom:22px;letter-spacing:-.03em}
.grad{
  background:linear-gradient(100deg,var(--brand) 0%,#ff8f4d 45%,var(--accent) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-1);line-height:1.78;max-width:520px;margin-bottom:34px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}

/* ---- 多端支持条（Hero 左列收尾区块） ---- */
.endpoints{margin-bottom:0}
.ep-title{
  font-size:11.5px;font-weight:600;color:var(--text-2);letter-spacing:.06em;
  margin-bottom:12px;display:flex;align-items:center;gap:8px;
}
.ep-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line-2),transparent)}
.ep-row{display:flex;flex-wrap:wrap;gap:9px}
.ep-i{
  display:flex;align-items:center;gap:7px;
  padding:8px 13px;border-radius:9px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  color:var(--text-1);transition:.24s;
}
.ep-i svg{width:15px;height:15px;color:var(--brand);flex:0 0 15px}
.ep-i b{font-size:12.5px;font-weight:600;color:var(--text-0)}
.ep-i:hover{
  border-color:rgba(255,107,53,.45);transform:translateY(-2px);
  box-shadow:0 6px 18px rgba(255,107,53,.16);background:var(--brand-l);
}

/* ---- Hero 产品可视化（浅色玻璃面板） ---- */
.viz{position:relative;height:430px}
.console{
  position:absolute;inset:24px 0 auto 0;
  background:rgba(255,255,255,.9);
  border:1px solid var(--line-2);border-radius:18px;overflow:hidden;
  box-shadow:0 20px 50px rgba(16,24,40,.13),0 4px 12px rgba(16,24,40,.06);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.console-bar{
  display:flex;align-items:center;gap:8px;padding:13px 16px;
  border-bottom:1px solid var(--line);background:#fbfcfe;
}
.dot{width:9px;height:9px;border-radius:50%}
.console-bar .dot:nth-child(1){background:#ff5f57}
.console-bar .dot:nth-child(2){background:#febc2e}
.console-bar .dot:nth-child(3){background:#28c840}
.console-bar .t{margin-left:8px;font-size:12px;color:var(--text-2);font-weight:600}
.console-bar .live{
  margin-left:auto;display:flex;align-items:center;gap:6px;
  font-size:11px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--accent),#ff5c7e);padding:3px 10px;border-radius:100px;
}
.live-dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,61,104,.55)}70%{opacity:.9;box-shadow:0 0 0 6px rgba(255,61,104,0)}}
.console-body{display:grid;grid-template-columns:1.5fr 1fr;gap:12px;padding:14px}
.video-col{min-width:0}
.video-mock{
  aspect-ratio:16/10;border-radius:11px;position:relative;overflow:hidden;
  background:linear-gradient(140deg,#ffe4d5,#ffc9ad 50%,#ffb08a);
  border:1px solid var(--line);
}

/* ---- 轮播容器：3 张幻灯片淡入切换 ---- */
.vc-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity .5s ease,visibility .5s;
}
.vc-slide.on{opacity:1;visibility:visible}
/* 幻灯片 1：直播画面 */
.vscene{position:absolute;inset:0}
.vscene-glow{
  position:absolute;inset:0;
  background:radial-gradient(circle at 72% 26%,rgba(255,255,255,.45),transparent 58%);
}
.vscene-figure{
  position:absolute;right:14%;top:12%;width:34%;height:64%;border-radius:46% 46% 40% 40%;
  background:linear-gradient(160deg,rgba(255,255,255,.5),rgba(255,255,255,.16));
  border:1px solid rgba(255,255,255,.5);
}
.vscene-badge{
  position:absolute;top:9px;left:9px;z-index:2;font-size:10.5px;font-weight:600;
  background:linear-gradient(135deg,var(--accent),#ff5c7e);color:#fff;padding:2px 8px;border-radius:5px;
  box-shadow:0 2px 6px rgba(255,61,104,.35);
}
.video-meta{
  position:absolute;left:9px;bottom:9px;z-index:2;font-size:10.5px;color:#fff;
  background:rgba(16,24,40,.62);padding:3px 9px;border-radius:6px;backdrop-filter:blur(6px);
}
.danmu{
  position:absolute;right:9px;bottom:9px;z-index:2;width:58%;
  display:flex;flex-direction:column;gap:4px;align-items:flex-end;
}
.danmu i{
  font-style:normal;font-size:10px;color:#fff;
  background:rgba(16,24,40,.58);padding:2px 8px;border-radius:100px;
  backdrop-filter:blur(6px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;
}
.danmu i b{color:#ffd9c4;font-weight:600}

/* 幻灯片 2：直播间挂载商品 */
.vshop-head{
  padding:9px 11px 7px;font-size:10.5px;font-weight:600;color:var(--text-2);
}
.vshop{padding:0 10px;display:flex;flex-direction:column;gap:5px}
.vshop-i{
  display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:8px;
  background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.9);
  box-shadow:0 1px 4px rgba(16,24,40,.07);
}
.vshop-thumb{
  width:26px;height:26px;border-radius:6px;flex:0 0 26px;
  background:linear-gradient(135deg,#ffb08a,#ff8a5c);
}
.vshop-thumb.t2{background:linear-gradient(135deg,#a8d8b9,#6fbf8b)}
.vshop-thumb.t3{background:linear-gradient(135deg,#ffd98a,#ffbc4d)}
.vshop-info{flex:1;min-width:0}
.vshop-info b{display:block;font-size:10.5px;color:var(--text-0);font-weight:600;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vshop-price{font-size:10px;color:var(--accent);font-weight:700}
.vshop-price em{font-style:normal;color:var(--text-2);font-weight:400;margin-left:5px}
.vshop-btn{
  font-size:9.5px;font-weight:700;color:#fff;padding:3px 9px;border-radius:100px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));flex:0 0 auto;
}
/* 幻灯片 3：发券弹窗 */
.vsend-title{
  padding:9px 11px 7px;font-size:10.5px;font-weight:600;color:var(--text-2);
}
.vsend-coupon{
  margin:0 10px;display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;
  background:#fff;border:1px dashed rgba(255,107,53,.5);
  box-shadow:0 4px 14px rgba(255,107,53,.14);
}
.vsend-v{font-size:20px;font-weight:700;color:var(--brand);letter-spacing:-.02em;line-height:1}
.vsend-v sub{font-size:10px;vertical-align:baseline}
.vsend-d b{display:block;font-size:11px;color:var(--text-0);font-weight:600}
.vsend-d span{font-size:9.5px;color:var(--text-2)}
.vsend-stat{
  display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:9px 10px 0;
}
.vsend-stat>div{
  text-align:center;padding:6px 2px;border-radius:7px;
  background:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.9);
}
.vsend-stat em{display:block;font-style:normal;font-size:13px;font-weight:700;color:var(--brand-d);line-height:1.2}
.vsend-stat span{font-size:9px;color:var(--text-2)}
/* 轮播指示器 */
.vc-dots{
  position:absolute;left:50%;transform:translateX(-50%);bottom:9px;z-index:4;
  display:flex;gap:5px;
}
.vc-dots i{
  width:6px;height:6px;border-radius:100px;cursor:pointer;
  background:rgba(255,255,255,.55);transition:.3s;
}
.vc-dots i.on{width:16px;background:#fff}

.side-col{display:flex;flex-direction:column;gap:10px}
.kpi{
  background:#fff;border:1px solid var(--line);
  border-radius:10px;padding:10px 12px;box-shadow:var(--sh-1);
}
.kpi-l{font-size:10.5px;color:var(--text-2);margin-bottom:3px}
.kpi-v{font-size:19px;font-weight:700;color:var(--text-0);letter-spacing:-.02em;line-height:1.2}
.kpi-v em{font-style:normal;font-size:11px;color:var(--up);margin-left:5px;font-weight:600}
.mini-trend{display:flex;align-items:flex-end;gap:3px;height:26px;margin-top:6px}
.mini-trend b{flex:1;background:linear-gradient(180deg,var(--brand),rgba(255,107,53,.2));border-radius:2px}

/* ---- 实时动态流（纵向滚动公告） ---- */
.stream{
  flex:1;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:9px 11px;box-shadow:var(--sh-1);overflow:hidden;min-height:0;
}
.stream-head{
  display:flex;align-items:center;gap:6px;font-size:10.5px;color:var(--text-2);
  margin-bottom:7px;
}
.stream-dot{
  width:5px;height:5px;border-radius:50%;background:var(--brand);flex:0 0 5px;
  animation:pulse 1.6s infinite;
}
.stream-view{height:74px;overflow:hidden;position:relative}
.stream-track{transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.stream-row{display:flex;align-items:center;gap:7px;height:24.6px}
.stream-av{
  width:19px;height:19px;border-radius:50%;flex:0 0 19px;
  display:grid;place-items:center;font-size:9px;font-weight:700;color:#fff;
}
.stream-av.a1{background:#ff8a5c}.stream-av.a2{background:#6fbf8b}
.stream-av.a3{background:#e58fa8}.stream-av.a4{background:#8aa8e5}
.stream-av.a5{background:#ffbc4d}
.stream-txt{font-size:10px;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stream-txt b{color:var(--text-0);font-weight:600}

/* 浮动卡片 */
.float-card{
  position:absolute;background:#fff;border:1px solid var(--line-2);
  border-radius:12px;padding:11px 14px;backdrop-filter:blur(12px);
  box-shadow:0 12px 32px rgba(16,24,40,.15);z-index:5;
}
.float-1{top:0;right:-14px;animation:floaty 5s ease-in-out infinite}
.float-2{bottom:6px;left:-18px;animation:floaty 6s ease-in-out infinite .8s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.float-l{font-size:10.5px;color:var(--text-2);display:flex;align-items:center;gap:5px}
.float-v{font-size:17px;font-weight:700;color:var(--text-0);letter-spacing:-.02em;margin-top:2px}
.float-v em{font-style:normal;font-size:11px;color:var(--up);margin-left:5px}
.order-row{display:flex;align-items:center;gap:8px}
.order-av{
  width:24px;height:24px;border-radius:7px;flex:0 0 24px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}

/* ============ 能力矩阵 ============ */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:14px;
  padding:26px 24px;transition:.28s;position:relative;overflow:hidden;
  box-shadow:var(--sh-1);
}
.card:hover{
  border-color:rgba(255,107,53,.4);transform:translateY(-4px);
  box-shadow:var(--sh-3);
}
.card:hover::before{opacity:1}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;opacity:0;transition:.3s;
  background:linear-gradient(90deg,transparent,var(--brand),var(--brand-2),transparent);
}
.ico{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  margin-bottom:16px;
  background:linear-gradient(135deg,var(--brand-l),#ffe7d9);
  border:1px solid rgba(255,107,53,.22);
}
.ico svg{width:21px;height:21px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card p{font-size:14px;color:var(--text-1);line-height:1.72}

/* ============ 直播专题 Tab ============ */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.tab{
  padding:10px 20px;border-radius:100px;font-size:14px;font-weight:600;cursor:pointer;
  background:#fff;border:1px solid var(--line-2);
  color:var(--text-1);transition:.22s;font-family:inherit;box-shadow:var(--sh-1);
}
.tab:hover{color:var(--brand);border-color:rgba(255,107,53,.42)}
.tab.on{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  border-color:transparent;color:#fff;box-shadow:var(--sh-brand);
}
.panel{display:none}
.panel.on{display:block;animation:fadeUp .45s cubic-bezier(.2,.7,.3,1)}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.panel-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.feat-list{list-style:none;display:flex;flex-direction:column;gap:16px;margin-top:26px}
.feat-list li{display:flex;gap:12px;align-items:flex-start}
.feat-list .tick{
  width:19px;height:19px;border-radius:50%;flex:0 0 19px;margin-top:4px;
  background:var(--brand-l);border:1px solid rgba(255,107,53,.34);
  display:grid;place-items:center;font-size:10px;color:var(--brand);font-weight:700;
}
.feat-list b{display:block;color:var(--text-0);font-size:14.5px;font-weight:600;margin-bottom:3px}
.feat-list span{font-size:13.5px;color:var(--text-1);line-height:1.65}
.shot{
  border:1px solid var(--line-2);border-radius:16px;overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-3);
}
.shot-bar{
  display:flex;align-items:center;gap:7px;padding:11px 14px;
  border-bottom:1px solid var(--line);background:#fbfcfe;
}
.shot-bar em{font-style:normal;font-size:11.5px;color:var(--text-2);margin-left:7px;font-weight:600}
.shot-body{padding:16px}
.mrow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.mrow:last-child{border-bottom:0}
.mrow-l{font-size:12.5px;color:var(--text-1)}
.mrow-r{font-size:12px;color:var(--text-0);font-weight:600}
.sw{width:38px;height:20px;border-radius:100px;background:linear-gradient(135deg,var(--brand),var(--brand-2));position:relative;flex:0 0 38px}
.sw::after{content:"";position:absolute;top:2px;right:2px;width:16px;height:16px;border-radius:50%;background:#fff}
.sw.off{background:#e2e7ef}
.sw.off::after{right:auto;left:2px;background:#fff}
.coupon{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;
  background:linear-gradient(100deg,var(--brand-l),#fff2f5);
  border:1px dashed rgba(255,107,53,.45);
}
.coupon-v{font-size:22px;font-weight:700;color:var(--brand);letter-spacing:-.02em}
.coupon-v sub{font-size:12px;vertical-align:baseline}
.coupon-d{flex:1}
.coupon-d b{display:block;color:var(--text-0);font-size:13px;font-weight:600}
.coupon-d span{font-size:11.5px;color:var(--text-2)}
.bag{
  display:grid;grid-template-columns:repeat(2,1fr);gap:10px;
}
.bag-i{
  border:1px solid var(--line);border-radius:11px;padding:14px;text-align:center;
  background:var(--bg-1);
}
.bag-i .e{font-size:24px;margin-bottom:7px}
.bag-i b{display:block;font-size:12.5px;color:var(--text-0);font-weight:600}
.bag-i span{font-size:11px;color:var(--text-2)}
.board{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}
.board-i{
  background:var(--bg-1);border:1px solid var(--line);
  border-radius:10px;padding:12px;
}
.board-i .l{font-size:10.5px;color:var(--text-2)}
.board-i .v{font-size:20px;font-weight:700;color:var(--text-0);letter-spacing:-.02em;margin-top:3px}
.board-i .v em{font-style:normal;font-size:11px;color:var(--up);margin-left:5px;font-weight:600}

/* ============ 数据大屏（浅色卡片化） ============ */
.screen{
  border:1px solid var(--line-2);border-radius:18px;overflow:hidden;
  background:#fff;
  box-shadow:0 24px 60px rgba(16,24,40,.12),0 6px 16px rgba(16,24,40,.05);
  position:relative;
}
.screen::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 300px at 18% 0%,rgba(255,107,53,.07),transparent 65%),
             radial-gradient(600px 300px at 88% 100%,rgba(255,61,104,.06),transparent 66%);
}
.screen-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;border-bottom:1px solid var(--line);position:relative;z-index:2;
  background:#fbfcfe;
}
.screen-title{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--text-0)}
.screen-title .cnt{
  font-size:11px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,var(--accent),#ff5c7e);padding:2px 9px;border-radius:100px;
}
.screen-time{font-size:11.5px;color:var(--text-2);font-variant-numeric:tabular-nums}
.screen-body{padding:20px 22px 24px;position:relative;z-index:2}
.skpi{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.skpi-i{
  background:var(--bg-1);border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;
}
.skpi-i .l{font-size:11px;color:var(--text-2);margin-bottom:5px}
.skpi-i .v{font-size:25px;font-weight:700;color:var(--text-0);letter-spacing:-.025em;line-height:1.15}
.skpi-i .v small{font-size:12px;color:var(--text-2);font-weight:500;margin-left:3px}
.skpi-i .d{font-size:11px;color:var(--up);margin-top:4px;font-weight:600}
.skpi-i .d.dn{color:var(--down)}
.chart-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:10px;font-size:12px;color:var(--text-2);
}
.legend{display:flex;gap:16px}
.legend i{font-style:normal;display:flex;align-items:center;gap:6px}
.legend .ln{width:14px;height:3px;border-radius:2px}
.chart-box{
  border:1px solid var(--line);border-radius:12px;padding:16px 12px 8px;
  background:#fcfdff;margin-bottom:18px;
}
.chart-box svg{width:100%;height:130px;display:block}
.areas{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.area-list{list-style:none;display:flex;flex-direction:column;gap:11px}
.area-list li{display:flex;align-items:center;gap:11px;font-size:12.5px}
.area-list .nm{width:44px;color:var(--text-1);flex:0 0 44px}
.area-list .bar{flex:1;height:6px;border-radius:3px;background:#eef2f7;overflow:hidden}
.area-list .bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.area-list .pc{width:42px;text-align:right;color:var(--text-2);font-variant-numeric:tabular-nums}
.stat-note{
  text-align:center;font-size:12px;color:var(--text-2);margin-top:22px;
}

/* ============ 架构图 ============ */
.arch{display:flex;flex-direction:column;gap:11px}
.layer{
  display:grid;grid-template-columns:110px 1fr;gap:20px;align-items:center;
  border:1px solid var(--line);border-radius:13px;padding:17px 22px;
  background:#fff;box-shadow:var(--sh-1);
  transition:.28s;position:relative;overflow:hidden;
}
.layer::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.layer:hover{border-color:rgba(255,107,53,.4);transform:translateX(4px);box-shadow:var(--sh-2)}
.layer-n{font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.04em}
.layer-t{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  font-size:12.5px;padding:5px 12px;border-radius:7px;
  background:var(--bg-1);border:1px solid var(--line);
  color:var(--text-1);white-space:nowrap;
}
.chip.hi{background:var(--brand-l);border-color:rgba(255,107,53,.3);color:var(--brand-d);font-weight:600}
.stack-wall{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.stack-wall .chip{font-size:12px;background:#fff;box-shadow:var(--sh-1)}

/* ============ 指标区 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--sh-2)}
.metric{background:#fff;padding:34px 24px;text-align:center;transition:.3s}
.metric:hover{background:var(--brand-l)}
.metric .v{font-size:40px;font-weight:700;letter-spacing:-.03em;line-height:1.1;
  background:linear-gradient(135deg,var(--text-0) 20%,var(--brand) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric .v small{font-size:17px;font-weight:600}
.metric .l{font-size:13px;color:var(--text-1);margin-top:10px;font-weight:600}
.metric .s{font-size:11.5px;color:var(--text-2);margin-top:5px;line-height:1.5}

/* ============ 服务 / 安全 ============ */
.svc{
  border:1px solid var(--line);border-radius:14px;padding:26px 24px;
  background:#fff;transition:.28s;position:relative;box-shadow:var(--sh-1);
}
.svc:hover{border-color:rgba(255,107,53,.4);transform:translateY(-4px);box-shadow:var(--sh-3)}
.svc-n{
  font-size:11px;font-weight:700;color:var(--brand);letter-spacing:.1em;margin-bottom:14px;
  background:var(--brand-l);display:inline-block;padding:3px 10px;border-radius:6px;
}
.sec-item{display:flex;gap:14px;align-items:flex-start}
.sec-item .ico{width:36px;height:36px;border-radius:9px;flex:0 0 36px;margin-bottom:0}
.sec-item h4{font-size:15px;margin-bottom:6px}
.sec-item p{font-size:13.5px;line-height:1.68}

/* ============ 案例 ============ */
.case{
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:#fff;transition:.28s;display:flex;flex-direction:column;box-shadow:var(--sh-1);
}
.case:hover{border-color:rgba(255,107,53,.4);transform:translateY(-4px);box-shadow:var(--sh-3)}
.case-top{
  height:118px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#ffd9c2,#ffc4a3 50%,#ffb08a);
  border-bottom:1px solid var(--line);
}
.case-top::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.28) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:26px 26px;
}
.case-tag{
  position:absolute;top:14px;left:14px;z-index:2;font-size:11px;font-weight:600;
  background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.9);color:var(--brand-d);
  padding:3px 10px;border-radius:100px;backdrop-filter:blur(8px);
  box-shadow:0 2px 8px rgba(16,24,40,.1);
}
.case-body{padding:22px;flex:1;display:flex;flex-direction:column}
.case-body h3{font-size:16.5px;margin-bottom:9px}
.case-body p{font-size:13.5px;line-height:1.7;flex:1}
.case-meta{
  display:flex;gap:20px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
}
.case-meta div .v{font-size:17px;font-weight:700;color:var(--brand);letter-spacing:-.02em}
.case-meta div .l{font-size:11px;color:var(--text-2);margin-top:2px}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.step{padding:0 16px;position:relative;text-align:center}
.step::after{
  content:"";position:absolute;top:23px;left:calc(50% + 26px);right:calc(-50% + 26px);height:2px;
  background:linear-gradient(90deg,rgba(255,107,53,.5),rgba(255,107,53,.1));
}
.step:last-child::after{display:none}
.step-n{
  width:46px;height:46px;border-radius:50%;margin:0 auto 16px;
  display:grid;place-items:center;font-size:16px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:var(--sh-brand);
  position:relative;z-index:2;
}
.step h4{font-size:14.5px;margin-bottom:8px}
.step p{font-size:12.5px;line-height:1.65;color:var(--text-2)}

/* ============ 内页 Hero ============ */
.page-hero{
  padding:140px 0 64px;position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:
    radial-gradient(760px 400px at 18% -6%,rgba(255,107,53,.11),transparent 62%),
    radial-gradient(640px 360px at 86% 6%,rgba(255,165,82,.14),transparent 64%),
    linear-gradient(180deg,#fffdfb,#ffffff 70%);
}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:44px;margin-bottom:18px}
.page-hero p{font-size:16.5px;max-width:660px;line-height:1.75}

/* ============ 产品能力分组 ============ */
.feat-block{margin-bottom:56px}
.feat-block:last-child{margin-bottom:0}
.fb-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.fb-head .ico{margin-bottom:0}
.fb-head h3{font-size:20px;margin:0}
.fb-head span{font-size:13px;color:var(--text-2)}
.fb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.fb-item{
  border:1px solid var(--line);border-radius:11px;padding:16px 18px;background:#fff;
  transition:.24s;box-shadow:var(--sh-1);
}
.fb-item:hover{border-color:rgba(255,107,53,.4);box-shadow:var(--sh-2);transform:translateY(-2px)}
.fb-item b{display:block;font-size:14px;color:var(--text-0);font-weight:600;margin-bottom:6px}
.fb-item p{font-size:13px;color:var(--text-1);line-height:1.62}

/* ============ 解决方案 ============ */
.sol{
  border:1px solid var(--line);border-radius:16px;padding:30px 28px;
  background:#fff;transition:.28s;position:relative;overflow:hidden;box-shadow:var(--sh-1);
}
.sol:hover{border-color:rgba(255,107,53,.4);transform:translateY(-4px);box-shadow:var(--sh-3)}
.sol-tag{
  display:inline-block;font-size:11px;font-weight:600;color:var(--brand-d);
  background:var(--brand-l);border:1px solid rgba(255,107,53,.26);
  padding:3px 11px;border-radius:100px;margin-bottom:16px;
}
.sol h3{font-size:18px;margin-bottom:12px}
.sol>p{font-size:14px;line-height:1.72;margin-bottom:20px}
.sol ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.sol ul li{font-size:13.5px;display:flex;gap:9px;align-items:flex-start;color:var(--text-1)}
.sol ul li::before{content:"▸";color:var(--brand);flex:0 0 auto}

/* ============ 联系表单 ============ */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.form{
  border:1px solid var(--line-2);border-radius:16px;padding:32px;background:#fff;
  box-shadow:var(--sh-3);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-0);font-weight:600;margin-bottom:8px}
.field label i{color:var(--accent);font-style:normal;margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border-radius:9px;font-family:inherit;font-size:14px;
  background:#fcfdff;border:1px solid var(--line-2);color:var(--text-0);
  transition:.2s;outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-2)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(255,107,53,.13);
}
.field textarea{resize:vertical;min-height:88px;line-height:1.65}
.field select option{background:#fff;color:var(--text-0)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.agree{display:flex;gap:9px;align-items:flex-start;margin:20px 0 24px;font-size:12.5px;line-height:1.6}
.agree input{width:16px;height:16px;flex:0 0 16px;margin-top:3px;accent-color:var(--brand)}
.agree a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.form-msg{
  display:none;margin-top:16px;padding:12px 15px;border-radius:9px;font-size:13.5px;
  background:var(--brand-l);border:1px solid rgba(255,107,53,.34);color:var(--brand-d);
}
.form-msg.err{background:#fef1f2;border-color:rgba(229,72,77,.34);color:#c0393e}
.form-msg.show{display:block}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:24px;margin-top:30px}
.contact-list li{display:flex;gap:15px;align-items:flex-start}
.contact-list .ico{width:38px;height:38px;flex:0 0 38px;border-radius:10px;margin-bottom:0}
.contact-list b{display:block;font-size:14px;color:var(--text-0);font-weight:600;margin-bottom:4px}
.contact-list span{font-size:13.5px;color:var(--text-1)}

/* ============ 底部 CTA ============ */
.final-cta{
  border:1px solid rgba(255,107,53,.26);border-radius:20px;padding:64px 48px;text-align:center;
  background:linear-gradient(150deg,#fff4ee,#fff7f2 45%,#fff1f4);
  position:relative;overflow:hidden;box-shadow:var(--sh-2);
}
.final-cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,107,53,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,107,53,.07) 1px,transparent 1px);
  background-size:40px 40px;
  mask-image:radial-gradient(circle at 50% 50%,#000,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000,transparent 76%);
}
.final-cta>*{position:relative;z-index:2}
.final-cta h2{font-size:36px;margin-bottom:16px}
.final-cta p{font-size:16px;max-width:560px;margin:0 auto 32px;line-height:1.75}
.final-cta .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ============ 页脚 ============ */
footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:44px;margin-bottom:48px}
.foot-brand p{font-size:13.5px;line-height:1.75;margin:16px 0 20px;max-width:300px}
.foot-col h4{font-size:13.5px;margin-bottom:18px;color:var(--text-0)}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot-col ul a{font-size:13.5px;color:var(--text-1);transition:.2s}
.foot-col ul a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-2);
}
.foot-bottom a:hover{color:var(--brand)}

/* ============ 右侧悬浮服务窗（3 项，悬停展开二维码） ============ */
.side-dock{
  position:fixed;right:16px;top:50%;transform:translateY(-50%);
  z-index:90;display:flex;flex-direction:column;gap:10px;
}
.dock-i{
  position:relative;width:54px;height:54px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;cursor:pointer;transition:.28s cubic-bezier(.2,.7,.3,1);
}
.dock-i svg{width:20px;height:20px;color:var(--brand);stroke-width:1.9}
.dock-i b{font-size:9.5px;font-weight:600;color:var(--text-1);letter-spacing:.01em;line-height:1}
.dock-i:hover{
  border-color:rgba(255,107,53,.5);background:var(--brand-l);
  transform:translateX(-4px);box-shadow:var(--sh-3);
}
/* 二维码浮层：默认隐藏，悬停时向右展开 */
.dock-qr{
  position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%) scale(.94);
  width:168px;padding:14px;border-radius:14px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .26s ease,visibility .26s,transform .26s cubic-bezier(.2,.7,.3,1);
}
.dock-qr::after{
  content:"";position:absolute;left:100%;top:50%;transform:translateY(-50%);
  border:7px solid transparent;border-left-color:#fff;
  filter:drop-shadow(1px 0 0 var(--line));
}
.dock-i:hover .dock-qr{
  opacity:1;visibility:visible;pointer-events:auto;
  transform:translateY(-50%) scale(1);
}
.qr-box{
  width:140px;height:140px;border-radius:10px;overflow:hidden;
  background:var(--bg-1);border:1px solid var(--line);
  display:grid;place-items:center;
}
.qr-box svg{width:124px;height:124px;display:block}
/* 后台上传的真实二维码图片 */
.qr-box img{width:124px;height:124px;display:block;object-fit:contain}
.qr-missing{font-size:11.5px;color:var(--text-2);text-align:center;line-height:1.4;padding:0 12px}
.dock-qr p{
  font-size:11.5px;color:var(--text-1);text-align:center;
  margin-top:9px;line-height:1.45;
}
.dock-qr p b{display:block;color:var(--text-0);font-size:12.5px;font-weight:600;margin-bottom:2px}
/* 移动端：缩小并下移，避让内容 */
@media(max-width:640px){
  .side-dock{right:8px;gap:8px;transform:translateY(-50%) scale(.92)}
  .dock-i{width:48px;height:48px;border-radius:12px}
  .dock-i b{font-size:9px}
  .dock-qr{width:150px}
  .qr-box{width:124px;height:124px}
  .qr-box svg{width:110px;height:110px}
  .qr-box img{width:110px;height:110px}
}

/* ============ 入场动画 ============ */
.rv{opacity:0;transform:translateY(22px);transition:opacity .65s cubic-bezier(.2,.7,.3,1),transform .65s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1!important;transform:none!important;transition:none!important}
  *{animation:none!important}
  html{scroll-behavior:auto}
}

/* 小屏导航 */
.menu-btn{display:none;background:#fff;border:1px solid var(--line-2);border-radius:9px;padding:8px 11px;cursor:pointer;box-shadow:var(--sh-1)}
.menu-btn span{display:block;width:17px;height:1.6px;background:var(--text-0);margin:3.5px 0;border-radius:2px}

/* ============ 响应式 ============ */
@media(max-width:1100px){
  .g4,.metrics{grid-template-columns:repeat(2,1fr)}
  .fb-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .step::after{display:none}
}
@media(max-width:980px){
  .hero-grid,.panel-grid,.form-wrap,.g2{grid-template-columns:1fr}
  .viz{height:430px;margin-top:20px}
  .hero h1{font-size:42px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .skpi{grid-template-columns:repeat(2,1fr)}
  .areas{grid-template-columns:1fr}
  .ep-row{justify-content:flex-start}
  .nav-links{
    display:none;position:absolute;top:68px;left:0;right:0;
    flex-direction:column;background:rgba(255,255,255,.985);padding:14px;
    border-bottom:1px solid var(--line);gap:2px;align-items:stretch;
    backdrop-filter:blur(18px);box-shadow:var(--sh-3);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .menu-btn{display:block}
  .nav-right .btn-ghost{display:none}
  h2{font-size:30px}
  .page-hero h1{font-size:34px}
  .metric .v{font-size:32px}
}
@media(max-width:640px){
  section{padding:72px 0}
  .wrap{padding:0 18px}
  .hero{padding:118px 0 68px}
  .hero h1{font-size:33px}
  .hero-sub{font-size:15.5px}
  .g3,.g4,.fb-grid,.metrics,.skpi{grid-template-columns:1fr}
  .viz{height:600px}
  .console-body{grid-template-columns:1fr}
  .side-col{flex-direction:column}
  .stream-view{height:74px}
  .ep-i{padding:7px 11px}
  .ep-i b{font-size:12px}
  .float-1{right:0}
  .float-2{left:0}
  .final-cta{padding:44px 24px}
  .final-cta h2{font-size:26px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:10px}
  .form{padding:24px}
  .two{grid-template-columns:1fr}
  .step{padding:0 8px}
  .bag{grid-template-columns:1fr}
}