/* ===========================================================
   拽人互动地图 · 官网（浅色版）
   设计语言：白底 + 淡青蓝点缀 + 卡片化 + 地图网格纹理
   =========================================================== */

:root{
  --bg:#ffffff;
  --bg-soft:#f5f8fc;
  --bg-tint:#eef7f7;
  --surface:#ffffff;
  --line:#e3eaf3;
  --line-2:#d3ddeb;
  --text:#14202f;
  --muted:#5e7089;
  --muted-2:#8a99ad;
  --accent:#0d9f7a;
  --accent-2:#12b98d;
  --accent-dim:#e7f7f2;
  --blue:#2f6fed;
  --blue-dim:#eaf1fe;
  --warn:#e8963c;
  --warn-dim:#fdf3e6;
  --grad:linear-gradient(120deg,#0d9f7a 0%,#2f6fed 100%);
  --radius:16px;
  --radius-sm:10px;
  --maxw:1200px;
  --ease:cubic-bezier(.22,1,.36,1);
  --shadow-sm:0 2px 8px rgba(20,32,47,.05);
  --shadow:0 8px 28px rgba(20,32,47,.08);
  --shadow-lg:0 20px 60px rgba(20,32,47,.12);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
ul,ol{list-style:none}
::selection{background:var(--accent);color:#fff}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* 背景纹理（极淡） */
.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(47,111,237,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,111,237,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,#000 0%,transparent 55%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 55%);
}

/* ===================== 导航 ===================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;
  transition:.3s var(--ease);
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(20,32,47,.06)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo img{height:36px;width:auto}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links>a{
  padding:8px 14px;border-radius:8px;font-size:15px;font-weight:500;
  color:var(--muted);transition:.22s;white-space:nowrap;
}
.nav-links>a:hover{color:var(--text);background:var(--bg-soft)}
.nav-links>a.on{color:var(--accent);background:var(--accent-dim);font-weight:600}
.nav-cta{display:flex;align-items:center;gap:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.28s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(13,159,122,.24)}
.btn-primary:hover{background:#0b8d6c;transform:translateY(-2px);box-shadow:0 12px 28px rgba(13,159,122,.3)}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-lg{padding:14px 30px;font-size:16.5px;border-radius:12px}
.btn-sm{padding:8px 16px;font-size:14px}
.btn .ico{font-size:1.05em}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* ===================== Hero ===================== */
.hero{position:relative;padding:126px 0 70px;overflow:hidden;
  background:linear-gradient(180deg,#f2fbf9 0%,#f7fbff 46%,#ffffff 100%);
}
.hero::after{
  content:"";position:absolute;left:50%;top:-320px;transform:translateX(-50%);
  width:1200px;height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,185,141,.14),transparent 62%);
  pointer-events:none;
}
.hero-in{display:grid;grid-template-columns:1fr 1.06fr;gap:52px;align-items:center;position:relative;z-index:2}
.tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:#fff;border:1px solid #cfeae2;color:var(--accent);
  font-size:13.5px;font-weight:600;margin-bottom:22px;box-shadow:var(--shadow-sm);
}
.tag .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(13,159,122,.14)}
h1.hero-title{font-size:clamp(32px,4.2vw,52px);line-height:1.2;font-weight:800;letter-spacing:-.6px}
.hero-title em{
  font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-sub{margin-top:20px;font-size:clamp(15.5px,1.4vw,17.5px);color:var(--muted);max-width:560px;line-height:1.9}
.hero-sub b{color:var(--text);font-weight:600}
.hero-btns{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}
.hero-facts{display:flex;flex-wrap:wrap;gap:34px;margin-top:40px;padding-top:26px;border-top:1px dashed var(--line-2)}
.fact .n{font-size:25px;font-weight:800;letter-spacing:-.5px;color:var(--text)}
.fact .n span{font-size:14px;color:var(--accent);margin-left:2px}
.fact .t{font-size:13px;color:var(--muted-2);margin-top:1px}

/* 顶部大图（原站横幅） */
.banner{
  position:relative;border-radius:18px;overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);
}
.banner .slides{position:relative;aspect-ratio:2.2/1;background:#f0f6f6}
.banner .slides img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .9s var(--ease);
}
.banner .slides img.on{opacity:1}
.banner .dots{position:absolute;right:14px;bottom:12px;display:flex;gap:6px;z-index:3}
.banner .dots i{
  width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.65);
  box-shadow:0 0 0 1px rgba(0,0,0,.08);cursor:pointer;transition:.25s;
}
.banner .dots i.on{background:#fff;width:18px;border-radius:4px}
.banner .cap{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 16px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);
  background:#fff;
}
.banner .cap b{color:var(--text);font-weight:600}
.banner .cap .live{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600}
.banner .cap .live .d{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:blink 1.8s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ===================== 达人墙 ===================== */
.trust-bar{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:#fff;padding:26px 0;position:relative;z-index:2;
}
.trust-bar .in{display:flex;align-items:center;gap:22px;overflow:hidden}
.trust-bar .lb{font-size:13px;color:var(--muted-2);flex:none;padding-right:14px;border-right:1px solid var(--line)}
.marquee{flex:1;overflow:hidden;position:relative;
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee .track{display:flex;gap:10px;width:max-content;animation:scrollx 46s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.marquee .nm{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  background:var(--bg-soft);border:1px solid var(--line);font-size:13px;color:#415162;white-space:nowrap;
}
.marquee .nm i{width:5px;height:5px;border-radius:50%;background:var(--accent);font-style:normal}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.users{background:var(--bg-soft);padding:70px 0}
.ugrid{display:grid;grid-template-columns:repeat(8,1fr);gap:12px}
.ucard{
  background:#fff;border:1px solid var(--line);border-radius:11px;
  padding:12px 6px 10px;text-align:center;transition:.3s var(--ease);
}
.ucard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9e6dd}
.uav{
  width:50px;height:50px;border-radius:50%;margin:0 auto 8px;
  display:grid;place-items:center;font-size:19px;font-weight:700;color:#fff;
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0d9f7a,#12b98d);
}
.uav img{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block}
.uav span{position:absolute;inset:0;display:grid;place-items:center;z-index:0}
.uav img{z-index:1;position:relative}
.uav::after{
  content:"✓";position:absolute;right:-2px;bottom:-1px;z-index:2;
  width:17px;height:17px;border-radius:50%;background:var(--blue);color:#fff;
  font-size:9.5px;display:grid;place-items:center;border:2px solid #fff;font-weight:700;
}
.uname{font-size:12px;font-weight:600;color:var(--text);line-height:1.4;height:2.8em;overflow:hidden;word-break:break-all}
.ufans{font-size:11.5px;color:var(--accent);margin-top:3px;font-weight:600}
.ufans s{text-decoration:none;color:var(--muted-2);font-weight:400;margin-right:2px}
.users .more{text-align:center;margin-top:26px;font-size:13.5px;color:var(--muted-2)}
.users .more b{color:var(--accent)}

/* ===================== 通用区块 ===================== */
section{position:relative;z-index:1}
.sec{padding:82px 0}
.sec-head{max-width:760px;margin:0 auto 44px;text-align:center}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;
}
h2.sec-title{font-size:clamp(25px,3vw,37px);font-weight:800;line-height:1.3;letter-spacing:-.4px}
h2.sec-title em{font-style:normal;color:var(--accent)}
.sec-sub{color:var(--muted);font-size:16px;margin-top:14px;line-height:1.85}
.sec-alt{background:var(--bg-soft)}

/* 对比 */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:940px;margin:0 auto}
.vs-col{border-radius:var(--radius);padding:26px 24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.vs-col.win{border-color:#b9e5d9;background:linear-gradient(180deg,#f4fdfa,#ffffff);box-shadow:0 14px 40px rgba(13,159,122,.1)}
.vs-col h3{font-size:17.5px;display:flex;align-items:center;gap:9px;margin-bottom:16px}
.vs-col h3 .badge{font-size:11px;padding:3px 9px;border-radius:999px;font-weight:700}
.vs-col.win .badge{background:var(--accent);color:#fff}
.vs-col.lose .badge{background:#eef1f6;color:var(--muted)}
.vs-col li{display:flex;gap:9px;padding:8px 0;font-size:14.6px;color:var(--muted);border-bottom:1px dashed var(--line)}
.vs-col li:last-child{border-bottom:0}
.vs-col.win li{color:#2f4a44}
.vs-col li .k{flex:none;width:17px;text-align:center;font-weight:700}
.vs-col.win li .k{color:var(--accent)}
.vs-col.lose li .k{color:#b9c4d2}

/* 功能卡 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  position:relative;padding:28px 24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);transition:.35s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c9e6dd}
.card .ci{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  font-size:21px;margin-bottom:16px;background:var(--accent-dim);
}
.card h3{font-size:17.5px;margin-bottom:9px}
.card p{color:var(--muted);font-size:14.6px;line-height:1.8}
.card .more{display:inline-flex;align-items:center;gap:4px;margin-top:12px;font-size:13.4px;color:var(--accent);font-weight:600}

/* 真实软件功能海报 */
.posters{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.poster{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.35s var(--ease);
}
.poster:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c9e6dd}
.poster .ph{aspect-ratio:772/740;overflow:hidden;background:var(--bg-tint)}
.poster .ph img{width:100%;height:100%;object-fit:cover;transition:.55s var(--ease)}
.poster:hover .ph img{transform:scale(1.03)}
.poster .tx{padding:13px 16px 16px;border-top:1px solid var(--line)}
.poster .tx b{display:block;font-size:15px;margin-bottom:3px}
.poster .tx span{font-size:12.8px;color:var(--muted);line-height:1.6;display:block}

/* 锚点演示 */
.anchor-demo{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:center}
.demo-map{
  position:relative;aspect-ratio:1/.84;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(160deg,#f3faf9,#eef4fd);box-shadow:var(--shadow);
}
.demo-map .map-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(47,111,237,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(47,111,237,.09) 1px,transparent 1px);
  background-size:34px 34px;
}
.pin{position:absolute;transform:translate(-50%,-100%)}
.pin .dotp{
  width:32px;height:32px;border-radius:50% 50% 50% 4px;transform:rotate(-45deg);
  background:var(--accent);display:grid;place-items:center;
  box-shadow:0 5px 16px rgba(13,159,122,.4),0 0 0 5px rgba(13,159,122,.1);
  animation:bob 3.6s ease-in-out infinite;
}
.pin .dotp i{transform:rotate(45deg);font-style:normal;font-size:14px;line-height:1}
.pin.blue .dotp{background:var(--blue);box-shadow:0 5px 16px rgba(47,111,237,.4),0 0 0 5px rgba(47,111,237,.1)}
.pin.warn .dotp{background:var(--warn);box-shadow:0 5px 16px rgba(232,150,60,.38),0 0 0 5px rgba(232,150,60,.1)}
@keyframes bob{0%,100%{transform:rotate(-45deg) translate(0,0)}50%{transform:rotate(-45deg) translate(2px,-4px)}}

.chip{
  position:absolute;z-index:4;display:flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:10px;font-size:12.2px;font-weight:600;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  animation:floaty 7s ease-in-out infinite;color:var(--text);
}
.chip .fi{width:21px;height:21px;border-radius:5px;display:grid;place-items:center;font-size:11px;flex:none}
.chip small{display:block;font-size:10.4px;font-weight:400;color:var(--muted-2)}
.f-video{background:#feebeb;color:#e05a5a}
.f-pdf{background:var(--warn-dim);color:#cf8125}
.f-img{background:var(--accent-dim);color:var(--accent)}
.f-doc{background:var(--blue-dim);color:var(--blue)}
.f-xls{background:#eaf7ea;color:#4a9c4a}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

.demo-list{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.demo-item{
  display:flex;gap:13px;padding:14px 16px;border-radius:12px;
  background:#fff;border:1px solid var(--line);transition:.3s var(--ease);
}
.demo-item.on{border-color:#b9e5d9;background:linear-gradient(120deg,#f4fdfa,#fff);box-shadow:var(--shadow-sm)}
.demo-item .di{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:16px;flex:none}
.demo-item .dt b{display:block;font-size:15px;margin-bottom:2px}
.demo-item .dt span{font-size:13.2px;color:var(--muted)}

/* 场景 */
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene{padding:24px 20px;border-radius:var(--radius);border:1px solid var(--line);background:#fff;transition:.32s var(--ease)}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe2f8}
.scene .se{font-size:24px;margin-bottom:10px}
.scene h4{font-size:16px;margin-bottom:6px}
.scene p{font-size:13.4px;color:var(--muted);line-height:1.72}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff;transition:.35s var(--ease)}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c9e6dd}
.case .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-tint)}
.case .thumb img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.case:hover .thumb img{transform:scale(1.05)}
.case .thumb .cat{
  position:absolute;left:10px;top:10px;padding:3px 9px;border-radius:999px;
  font-size:11px;font-weight:700;background:rgba(255,255,255,.94);color:var(--accent);
  border:1px solid #cfeae2;
}
.case .body{padding:16px 18px 20px}
.case .body h4{font-size:16px;margin-bottom:6px}
.case .body p{font-size:13.4px;color:var(--muted);line-height:1.72}

/* 数据 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:34px 26px;border-radius:var(--radius);border:1px solid #cfeae2;background:linear-gradient(120deg,#f2fdfa,#f4f8ff)}
.stat{text-align:center}
.stat .n{font-size:clamp(25px,2.8vw,34px);font-weight:800;letter-spacing:-1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .t{font-size:13px;color:var(--muted);margin-top:3px}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.step{position:relative;padding:28px 24px 24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.step::before{
  counter-increment:s;content:"0" counter(s);
  position:absolute;right:18px;top:12px;font-size:38px;font-weight:800;
  color:#eef2f8;letter-spacing:-2px;
}
.step h4{font-size:16.5px;margin:12px 0 7px}
.step p{font-size:13.9px;color:var(--muted)}
.step .si{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:18px;background:var(--accent-dim);color:var(--accent);font-weight:700}

/* 下载 */
.dl{
  position:relative;border-radius:20px;padding:56px 40px;text-align:center;
  border:1px solid #cfeae2;
  background:linear-gradient(160deg,#f0fdf9,#f2f7ff);
  overflow:hidden;
}
.dl h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.32}
.dl p{color:var(--muted);font-size:15.6px;margin:14px auto 28px;max-width:560px}
.dl .acts{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.dl .meta{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;margin-top:24px;font-size:12.8px;color:var(--muted-2)}
.dl .meta i{color:var(--accent);font-style:normal;font-weight:700}

/* FAQ */
.faq{max-width:840px;margin:0 auto}
.qa{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:10px;padding:2px 20px;transition:.28s}
.qa[open]{border-color:#b9e5d9;box-shadow:var(--shadow-sm)}
.qa summary{cursor:pointer;list-style:none;padding:15px 0;font-weight:600;font-size:16px;display:flex;justify-content:space-between;gap:14px;align-items:center}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-size:21px;color:var(--accent);font-weight:400;transition:.3s;flex:none}
.qa[open] summary::after{transform:rotate(45deg)}
.qa .a{padding:0 0 16px;color:var(--muted);font-size:14.8px;line-height:1.85}

/* 页脚 */
.foot{border-top:1px solid var(--line);padding:54px 0 24px;background:var(--bg-soft)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;margin-bottom:36px}
.foot .logo{margin-bottom:14px}
.foot .desc{color:var(--muted);font-size:13.8px;max-width:300px;line-height:1.85}
.foot h5{font-size:14px;margin-bottom:14px;color:var(--text)}
.foot ul li{margin-bottom:8px}
.foot ul li a{font-size:13.8px;color:var(--muted);transition:.2s}
.foot ul li a:hover{color:var(--accent)}
.foot .qr{width:96px;height:96px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:5px;margin-top:12px}
.foot .qr img{width:100%;height:100%;object-fit:contain}
.foot-bot{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.8px;color:var(--muted-2)}
.foot-bot a:hover{color:var(--accent)}

/* 内页头 */
.page-head{padding:118px 0 48px;position:relative;overflow:hidden;background:linear-gradient(180deg,#f2fbf9,#fff)}
.page-head .in{position:relative;z-index:2;max-width:820px}
.crumb{font-size:13px;color:var(--muted-2);margin-bottom:14px}
.crumb a:hover{color:var(--accent)}
.crumb .sep{margin:0 7px;opacity:.6}
.page-head h1{font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.26;letter-spacing:-.5px}
.page-head p{color:var(--muted);font-size:16px;margin-top:14px;max-width:660px}

/* 内容通用 */
.prose{max-width:820px}
.prose h2{font-size:22px;margin:34px 0 12px;font-weight:700}
.prose h3{font-size:17.5px;margin:24px 0 9px;font-weight:700;color:var(--accent)}
.prose p{font-size:15.4px;line-height:1.95;margin-bottom:13px;color:#415162}
.prose ul{margin:0 0 16px}
.prose ul li{position:relative;padding-left:20px;color:#415162;font-size:15.2px;line-height:1.9;margin-bottom:6px}
.prose ul li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--accent)}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow-sm)}
.feat-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:68px}
.feat-row:last-child{margin-bottom:0}
.feat-row.rev .txt{order:2}
.feat-row h3{font-size:clamp(20px,2.3vw,27px);font-weight:800;line-height:1.34;margin-bottom:12px}
.feat-row .txt p{color:var(--muted);font-size:15.4px;line-height:1.9;margin-bottom:14px}
.feat-row .txt ul li{position:relative;padding-left:22px;color:#415162;font-size:15px;line-height:1.9;margin-bottom:7px}
.feat-row .txt ul li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.shot{
  border-radius:14px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(150deg,#f3f7fb,#e9f1f9);
  box-shadow:0 18px 46px rgba(20,32,47,.13),0 2px 6px rgba(20,32,47,.06);
  padding:10px;transition:.4s var(--ease);
}
.shot:hover{box-shadow:0 24px 60px rgba(20,32,47,.17),0 2px 6px rgba(20,32,47,.07);transform:translateY(-3px)}
.shot img{width:100%;height:auto;display:block;border-radius:8px;background:#fff;box-shadow:0 3px 10px rgba(20,32,47,.08)}

.ctable{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:14.6px}
.ctable th,.ctable td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.ctable th{color:var(--text);font-weight:700;background:var(--bg-soft)}
.ctable td{color:var(--muted)}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.info-card{padding:26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.info-card h4{font-size:16.5px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.info-card p{color:var(--muted);font-size:14.6px;line-height:1.9}
.info-card .big{font-size:23px;font-weight:800;color:var(--accent);letter-spacing:.5px}
.map-box{display:none}

/* 城市板块图 */
.city-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:10px}
.city-grid.wide{grid-template-columns:repeat(6,1fr);gap:14px}
.city{
  position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line);
  background:#fff;transition:.3s var(--ease);display:block;
}
.city:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c9e6dd;z-index:2}
.city .im{aspect-ratio:5/4;overflow:hidden;background:var(--bg-tint)}
.city .im img{width:100%;height:100%;object-fit:cover;transition:.5s var(--ease);display:block}
.city:hover .im img{transform:scale(1.06)}
.city .nm{
  padding:5px 6px 6px;text-align:center;background:#fff;border-top:1px solid var(--line);
}
.city .nm b{font-size:12.5px;font-weight:700;color:var(--text);display:block;line-height:1.35}
.city .nm span{font-size:9.5px;color:var(--muted-2)}
.city .cnt{
  position:absolute;right:6px;top:6px;padding:1px 6px;border-radius:999px;
  font-size:9.5px;font-weight:600;background:rgba(255,255,255,.94);color:var(--accent);
  border:1px solid #cfeae2;
}
.city-note{text-align:center;margin-top:22px;font-size:13.5px;color:var(--muted-2)}
.city-note b{color:var(--accent)}

/* 城市分组页 */
.cgroup{margin-bottom:40px}
.cgroup>h3{
  font-size:17px;font-weight:700;margin-bottom:16px;padding-left:11px;
  border-left:3px solid var(--accent);line-height:1.2;
}
.cgroup>h3 i{font-style:normal;font-size:12.5px;font-weight:400;color:var(--muted-2);margin-left:8px}

/* ===== 旗下软件 ===== */
.pblock{
  display:grid;grid-template-columns:1fr 1.06fr;gap:46px;align-items:center;
  padding:40px;border:1px solid var(--line);border-radius:22px;background:#fff;
  box-shadow:var(--shadow-sm);margin-bottom:30px;transition:.35s var(--ease);
}
.pblock:hover{box-shadow:var(--shadow)}
.pblock.alt{background:linear-gradient(160deg,#f4fdfa,#f5f9ff)}
.phead{display:flex;align-items:center;gap:13px;margin-bottom:14px}
.pbadge{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-size:23px;flex:none;background:var(--grad);color:#fff;
  box-shadow:0 8px 20px rgba(13,159,122,.24);
}
.pbadge.b2{background:linear-gradient(135deg,#ff5e62,#ff9966);box-shadow:0 8px 20px rgba(255,94,98,.24)}
.pname{font-size:22px;font-weight:800;letter-spacing:-.3px;line-height:1.25}
.pname small{display:block;font-size:12.5px;font-weight:500;color:var(--muted-2);letter-spacing:.6px;margin-top:3px}
.ptag{display:inline-block;font-size:12.5px;color:var(--accent);background:var(--accent-dim);border-radius:999px;padding:3px 11px;font-weight:600;margin-bottom:11px}
.pdesc{color:var(--muted);font-size:15.2px;line-height:1.9;margin-bottom:15px}
.pfeat{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.pfeat span{font-size:13px;color:#3d5470;background:var(--bg-soft);border:1px solid var(--line);border-radius:8px;padding:5px 11px}
.pacts{display:flex;gap:10px;flex-wrap:wrap}
.pvis{display:grid;gap:10px}
.pvis .big{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.pvis .big img{width:100%;display:block}
.pvis .row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pvis .row2 .sm{border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff}
.pvis .row2 .sm img{width:100%;display:block}
.pshots-phone{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.pshots-phone .ph{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.pshots-phone .ph img{width:100%;display:block}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.07s}.d2{transition-delay:.14s}.d3{transition-delay:.21s}.d4{transition-delay:.28s}

/* 响应式 */
@media(max-width:1180px){
  .city-grid{grid-template-columns:repeat(6,1fr)}
  .city-grid.wide{grid-template-columns:repeat(5,1fr)}
  .ugrid{grid-template-columns:repeat(6,1fr)}
}
@media(max-width:1000px){
  .cards,.case-grid{grid-template-columns:repeat(2,1fr)}
  .scenes{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .posters{grid-template-columns:repeat(2,1fr)}
  .city-grid{grid-template-columns:repeat(5,1fr)}
  .city-grid.wide{grid-template-columns:repeat(4,1fr)}
  .ugrid{grid-template-columns:repeat(5,1fr)}
}
@media(max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:34px}
  .hero{padding:110px 0 56px}
  .banner{max-width:640px;margin:0 auto;width:100%}
  .anchor-demo{grid-template-columns:1fr;gap:30px}
  .feat-row{grid-template-columns:1fr;gap:22px}
  .feat-row.rev .txt{order:0}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .vs{grid-template-columns:1fr}
  .posters{grid-template-columns:1fr}
  .pblock{grid-template-columns:1fr;gap:28px;padding:26px}
  .pname{font-size:20px}
}
@media(max-width:760px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:78%;max-width:310px;
    background:#fff;flex-direction:column;align-items:flex-start;justify-content:flex-start;
    padding:88px 24px;gap:4px;transform:translateX(102%);transition:transform .38s var(--ease);
    border-left:1px solid var(--line);box-shadow:-8px 0 30px rgba(20,32,47,.1);z-index:950;
  }
  .nav-links.open{transform:none}
  .nav-links>a{width:100%;padding:12px 14px;font-size:16px}
  .burger{display:flex;z-index:960}
  .nav-cta .btn{display:none}
  .sec{padding:58px 0}
  .cards,.case-grid,.scenes{grid-template-columns:1fr}
  .city-grid,.city-grid.wide{grid-template-columns:repeat(3,1fr);gap:8px}
  .city .nm{padding:12px 6px 5px}
  .city .nm b{font-size:12px}
  .ugrid{grid-template-columns:repeat(4,1fr);gap:8px}
  .ucard{padding:11px 6px 10px}
  .uav{width:46px;height:46px;font-size:16px}
  .uname{font-size:11.5px}
  .ufans{font-size:11px}
  .stats{grid-template-columns:repeat(2,1fr);padding:22px 16px}
  .dl{padding:38px 18px}
  .foot-grid{grid-template-columns:1fr}
  .hero-facts{gap:22px}
  .fact .n{font-size:21px}
  .trust-bar .in{gap:18px}
  .trust-bar .nums{gap:22px}
  .chip{font-size:11px;padding:6px 9px}
  .shots{grid-template-columns:1fr 1fr}
}