:root{
  --ink:#0f1330;--ink2:#2b3052;--muted:#6b7190;--soft:#9ca1b9;--line:#e8eaf3;--line2:#f0f1f7;--paper:#f7f8fc;
  --accent:#5b5ef6;--accent2:#8a6cff;--acc-soft:#eef0ff;--green:#22c27a;--red:#e5484d;--amber:#e29a1b;
  --night:#07080e;--night-line:rgba(255,255,255,.09);
  --r:18px;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);-webkit-font-smoothing:antialiased;font-synthesis:none;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:68px}
body{margin:0;background:#fff;font-size:15px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}
h1,h2,h3,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
svg{display:block}
use{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-family:"SF Pro Display",-apple-system,"Helvetica Neue",sans-serif;font-variant-numeric:tabular-nums}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:40;height:64px;transition:background .3s,border-color .3s,box-shadow .3s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);border-color:var(--line)}
.nav-in{max-width:1200px;height:100%;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.01em}
.brand b{font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent;margin-left:1px}
.brand-mark{width:30px;height:30px;filter:drop-shadow(0 4px 10px rgba(91,94,246,.35))}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px;font-weight:600;transition:transform .2s,box-shadow .25s,background .2s}
.btn svg{width:16px;height:16px}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 8px 22px -10px rgba(91,94,246,.8)}
.btn-ghost{background:#f2f3fb;border-color:transparent}
.btn-sm{height:36px;padding:0 16px;border-radius:10px;font-size:13px}

/* ---------- hero ---------- */
.hero{position:relative;padding:92px 0 64px;overflow:hidden;isolation:isolate;background:linear-gradient(180deg,#f6f6ff 0%,#fff 62%)}
.hero-bg{position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(600px 340px at 18% 8%,rgba(122,118,255,.16),transparent 70%),radial-gradient(560px 320px at 85% 4%,rgba(80,150,255,.12),transparent 70%)}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(91,94,246,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(91,94,246,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 70% 50% at 50% 0%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 50% at 50% 0%,#000 30%,transparent 75%)}
.hero-head{text-align:center}
.pill{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.75);border:1px solid var(--line);font-size:12.5px;color:var(--ink2);box-shadow:0 4px 14px -8px rgba(40,44,120,.2)}
.live{position:relative;width:7px;height:7px;border-radius:50%;background:var(--green);flex:none}
.live::after{content:"";position:absolute;inset:-3px;border-radius:50%;border:1px solid var(--green);animation:ping 2s ease-out infinite}
@keyframes ping{from{transform:scale(.6);opacity:.9}to{transform:scale(1.9);opacity:0}}
.hero h1{margin-top:18px;font-size:clamp(28px,3.6vw,48px);line-height:1.2;font-weight:700;letter-spacing:-.03em}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#5054f5,#8a6cff 70%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:12px;color:var(--muted);font-size:16px;text-wrap:balance}
.wrap-app{margin-top:30px;max-width:1240px}

/* ---------- app ---------- */
.app{position:relative;display:flex;height:clamp(560px,calc(100vh - 290px),720px);border-radius:22px;background:#fff;border:1px solid #e4e6f2;box-shadow:0 1px 0 #fff inset,0 40px 90px -40px rgba(42,46,130,.35),0 12px 30px -18px rgba(42,46,130,.18);overflow:hidden;text-align:left}
.side{width:248px;flex:none;display:flex;flex-direction:column;background:#f8f8fc;border-right:1px solid var(--line2)}
.side-top{padding:16px 14px 10px}
.side-brand{display:flex;align-items:center;gap:9px;font-weight:650;font-size:14.5px;padding:2px 4px 14px}
.side-brand > svg{width:24px;height:24px}
.side-brand .side-close{display:none;margin-left:auto}
.new-chat{width:100%;display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:550;color:var(--ink2);transition:border-color .2s,box-shadow .2s}
.new-chat svg{width:16px;height:16px;color:var(--accent)}
.new-chat:hover{border-color:#cfd2f5;box-shadow:0 4px 12px -6px rgba(91,94,246,.3)}
.side-list{flex:1;overflow:auto;padding:4px 10px}
.side-label{font-size:11.5px;color:var(--soft);padding:12px 8px 6px;letter-spacing:.04em}
.side-list li button{width:100%;display:flex;align-items:center;gap:8px;text-align:left;padding:8px 10px;border-radius:9px;font-size:13px;color:var(--ink2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .2s}
.side-list li button svg{width:14px;height:14px;flex:none;color:var(--soft)}
.side-list li button span{overflow:hidden;text-overflow:ellipsis}
.side-list li button:hover{background:#eeeff7}
.side-list li button.on{background:#e9eaff;color:var(--accent);font-weight:550}
.side-list li button.on svg{color:var(--accent)}
.side-list li.new{animation:slideIn .45s cubic-bezier(.2,.7,.2,1)}
@keyframes slideIn{from{opacity:0;transform:translateX(-8px)}}
.side-foot{padding:12px 14px 14px;border-top:1px solid var(--line2)}
.conn{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink2)}
.conn-tags{display:flex;flex-wrap:wrap;gap:5px;margin:8px 0 12px}
.conn-tags span{font-size:10.5px;padding:1px 7px;border-radius:6px;background:#fff;border:1px solid var(--line);color:var(--muted)}
.me{display:flex;align-items:center;gap:10px;font-size:13px;line-height:1.3}
.me small{display:block;font-size:11px;color:var(--soft)}
.avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#3a3f6b,#1d2140);color:#fff;font-size:12.5px;font-weight:600;flex:none}

.main{position:relative;flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:10px;height:54px;padding:0 20px;border-bottom:1px solid var(--line2);flex:none}
.tb-title{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-right{margin-left:auto}
.badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);padding:4px 10px;border-radius:999px;background:var(--paper);border:1px solid var(--line2);white-space:nowrap}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--green)}
.icon-btn{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;color:var(--ink2);flex:none}
.icon-btn:hover{background:var(--paper)}
.icon-btn svg{width:18px;height:18px}
.menu{display:none}

.msgs{flex:1;overflow-y:auto;overflow-x:hidden;padding:26px 0 12px;scroll-behavior:smooth;overscroll-behavior:contain}
.msgs > *{max-width:760px;margin-left:auto;margin-right:auto;padding-left:28px;padding-right:28px}
.welcome{display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:clamp(8px,4vh,48px)}
.w-mark{width:48px;height:48px;filter:drop-shadow(0 10px 20px rgba(91,94,246,.35));margin-bottom:16px}
.welcome h2{font-size:24px;font-weight:650;letter-spacing:-.02em}
.welcome > p{color:var(--muted);font-size:14px;margin-top:4px}
.w-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:26px;width:100%;max-width:560px}
.w-card{display:flex;align-items:center;gap:12px;text-align:left;padding:13px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);transition:border-color .2s,box-shadow .25s,transform .25s}
.w-card:hover{border-color:#cfd2f5;box-shadow:0 10px 24px -14px rgba(91,94,246,.45);transform:translateY(-2px)}
.w-card > span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--acc-soft);color:var(--accent);flex:none}
.w-card > span svg{width:18px;height:18px}
.w-card b{display:block;font-size:13.5px;font-weight:600}
.w-card small{display:block;font-size:12px;color:var(--soft);line-height:1.4}

.m-user{display:flex;justify-content:flex-end;margin-bottom:22px}
.m-user p{max-width:78%;padding:10px 15px;border-radius:16px 16px 4px 16px;background:linear-gradient(135deg,#5b5ef6,#7262f7);color:#fff;font-size:14px;line-height:1.6;white-space:pre-wrap;word-break:break-word;box-shadow:0 8px 20px -12px rgba(91,94,246,.7);animation:pop .35s cubic-bezier(.2,.7,.2,1)}
@keyframes pop{from{opacity:0;transform:translateY(6px) scale(.98)}}
.m-bot{display:flex;gap:12px;margin-bottom:26px}
.m-bot > svg,.m-bot > .product-logo{width:28px;height:28px;flex:none;margin-top:2px}
.m-body{flex:1;min-width:0}
.think{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);padding:5px 11px;border-radius:999px;background:var(--paper);border:1px solid var(--line2);margin-bottom:10px}
.think .spin{width:12px;height:12px;border-radius:50%;border:1.6px solid #d5d7f5;border-top-color:var(--accent);animation:spin .8s linear infinite}
.think.done .spin{animation:none;border:0;width:auto;height:auto}
.think.done{color:var(--soft)}
.think svg{width:13px;height:13px;color:var(--green)}
@keyframes spin{to{transform:rotate(360deg)}}
.dots{display:inline-flex;gap:4px;padding:10px 2px}
.dots i{width:6px;height:6px;border-radius:50%;background:#b9bbe8;animation:bounce 1.2s infinite}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,60%,100%{transform:none;opacity:.5}30%{transform:translateY(-4px);opacity:1}}
.m-text{font-size:14.5px;line-height:1.8;color:var(--ink);white-space:pre-wrap;word-break:break-word}
.m-text.typing::after{content:"";display:inline-block;width:2px;height:1em;background:var(--accent);margin-left:2px;vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.fade-up{animation:fadeUp .5s cubic-bezier(.2,.7,.2,1) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}}

.kcard{margin-top:12px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
.kcard-h{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;font-size:12.5px;color:var(--muted);border-bottom:1px solid var(--line2);background:#fbfbfe}
.kcard-h b{color:var(--ink);font-weight:600;font-size:13px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr))}
.kpi{padding:12px 14px;border-right:1px solid var(--line2)}
.kpi:last-child{border-right:0}
.kpi small{display:block;font-size:11.5px;color:var(--soft)}
.kpi b{font-size:22px;font-weight:650;letter-spacing:-.02em}
.kpi b u{text-decoration:none;font-size:12px;font-weight:500;color:var(--muted);margin-left:2px}
.kpi em{display:block;font-style:normal;font-size:11.5px;font-weight:550}
.up{color:var(--green)}.down{color:var(--red)}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{text-align:left;font-weight:500;color:var(--soft);font-size:11.5px;padding:8px 14px;border-bottom:1px solid var(--line2)}
.tbl td{padding:9px 14px;border-bottom:1px solid var(--line2);white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl td.r{color:var(--red);font-weight:600}
.tbl td.w{color:var(--amber);font-weight:600}
.tbl td.g{color:var(--green);font-weight:600}
.tbl-wrap{overflow-x:auto}
.bars{padding:12px 14px 6px}
.bar{display:grid;grid-template-columns:64px 1fr 48px;align-items:center;gap:10px;font-size:12.5px;margin-bottom:9px}
.bar span{color:var(--muted)}
.bar i{position:relative;height:8px;border-radius:99px;background:#f0f1f8;overflow:hidden}
.bar i::after{content:"";position:absolute;inset:0;width:var(--v);border-radius:inherit;background:linear-gradient(90deg,#7c7fff,#5b5ef6);transform-origin:left;animation:grow 1s cubic-bezier(.2,.7,.2,1) both}
.bar.warn i::after{background:linear-gradient(90deg,#f5c26b,#e29a1b)}
.bar b{text-align:right;font-weight:600}
@keyframes grow{from{transform:scaleX(0)}}
.todo{padding:6px 14px 8px}
.todo li{display:flex;gap:10px;align-items:flex-start;font-size:13px;padding:7px 0;border-bottom:1px dashed var(--line)}
.todo li:last-child{border:0}
.todo li i{flex:none;margin-top:6px;width:6px;height:6px;border-radius:50%;background:var(--amber)}
.src{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px;font-size:12px;color:var(--soft)}
.src span{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:6px;background:var(--paper);border:1px solid var(--line2);color:var(--muted)}
.src span svg{width:11px;height:11px}
.acts{position:relative;display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.act{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 11px;border-radius:9px;font-size:12.5px;color:var(--muted);border:1px solid var(--line);background:#fff;transition:color .2s,border-color .2s,background .2s}
.act svg{width:14px;height:14px}
.act:hover{color:var(--ink);border-color:#d3d6ee}
.act.primary{color:var(--accent);border-color:#d9dbff;background:#f6f6ff}
.act.primary:hover{background:#eeefff}
.act.sent{color:#139a5e;border-color:#c9eedb;background:#f1fbf6}
.follow{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.follow button{font-size:12.5px;padding:5px 11px;border-radius:999px;border:1px dashed #cfd2f0;color:var(--accent);background:#fff;transition:background .2s}
.follow button:hover{background:#f4f4ff}
.groups{position:absolute;left:0;bottom:36px;z-index:5;width:220px;padding:6px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:0 20px 40px -16px rgba(30,34,90,.3);animation:pop .25s cubic-bezier(.2,.7,.2,1)}
.groups p{font-size:11.5px;color:var(--soft);padding:6px 10px 4px}
.groups button{width:100%;display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;font-size:13px;text-align:left}
.groups button:hover{background:var(--paper)}
.groups button svg{width:16px;height:16px;color:#1aad5f}
.groups button em{margin-left:auto;font-style:normal;font-size:10.5px;color:var(--accent);background:var(--acc-soft);padding:0 6px;border-radius:5px}
.flydot{position:fixed;z-index:60;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(91,94,246,.18),0 0 18px rgba(91,94,246,.7);pointer-events:none}

.composer{flex:none;padding:8px 28px 12px;max-width:816px;width:100%;margin:0 auto}
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 10px;scrollbar-width:none;mask-image:linear-gradient(90deg,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,#000 92%,transparent)}
.chips::-webkit-scrollbar{display:none}
.chips button{flex:none;font-size:12.5px;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink2);white-space:nowrap;transition:border-color .2s,color .2s,background .2s}
.chips button:hover{border-color:#cdd0f5;color:var(--accent);background:#fafaff}
.inputbox{border:1px solid #dfe2f0;border-radius:16px;background:#fff;padding:12px 12px 10px 16px;box-shadow:0 10px 30px -18px rgba(40,44,120,.25);transition:border-color .2s,box-shadow .2s}
.inputbox:focus-within{border-color:#b9bcff;box-shadow:0 0 0 4px rgba(91,94,246,.08),0 10px 30px -18px rgba(40,44,120,.3)}
.inputbox textarea{display:block;width:100%;border:0;outline:0;resize:none;font:inherit;font-size:14.5px;line-height:1.6;color:var(--ink);background:transparent;max-height:120px;min-height:24px;padding:0}
.inputbox textarea::placeholder{color:#a8adc4}
.ib-row{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.ib-scope{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--soft)}
.ib-scope svg{width:13px;height:13px}
.send{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;transition:background .2s,transform .2s,opacity .2s;box-shadow:0 6px 14px -6px rgba(91,94,246,.8)}
.send svg{width:17px;height:17px}.send use{stroke-width:2.2}
.send:disabled{background:#d9dbec;box-shadow:none;cursor:default}
.send:not(:disabled):hover{transform:translateY(-1px)}
.hint{text-align:center;font-size:11px;color:#b0b4c8;margin-top:7px}

.push{position:absolute;right:18px;top:66px;z-index:8;width:272px;border-radius:16px;overflow:hidden;background:#ededed;box-shadow:0 30px 60px -20px rgba(20,24,60,.4),0 0 0 1px rgba(0,0,0,.05);opacity:0;transform:translateY(-10px) scale(.97);pointer-events:none;transition:opacity .35s,transform .45s cubic-bezier(.2,.7,.2,1)}
.push.show{opacity:1;transform:none}
.push-head{display:flex;align-items:center;justify-content:space-between;gap:8px;height:42px;padding:0 12px;background:#f7f7f7;border-bottom:1px solid #e2e2e2;font-size:13px}
.push-head svg{width:16px;height:16px;color:#333}
.push-body{padding:12px;min-height:110px;display:flex;flex-direction:column;gap:8px}
.wx-row{display:flex;gap:8px;align-items:flex-start;animation:pop .35s cubic-bezier(.2,.7,.2,1)}
.wx-row > svg{width:28px;height:28px;flex:none;border-radius:6px}
.wx-row small{display:block;font-size:10.5px;color:#888;margin-bottom:2px}
.wx-bub{position:relative;background:#fff;border-radius:6px;padding:7px 10px;font-size:12.5px;line-height:1.55;color:#191919;white-space:pre-wrap}
.wx-meta{text-align:center;font-size:10.5px;color:#9a9a9a}
.wx-meta.ok{color:#1aad5f}

/* ---------- sections ---------- */
.sec{padding:128px 0}
.sec-tint{background:var(--paper)}
.sec-head{margin-bottom:56px}
.sec-head.center{text-align:center}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.sec h2{font-size:clamp(28px,3vw,42px);line-height:1.25;font-weight:700;letter-spacing:-.025em}
.lead{color:var(--muted);font-size:16px;margin-top:14px}
.sec h3{font-size:18px;font-weight:650;letter-spacing:-.01em}
.sec p{color:var(--muted)}
.m-br{display:none}

/* ---------- scene ---------- */
.sec-scene{background:linear-gradient(180deg,#fff,#f8f8fd);padding-top:112px}
.scene{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:72px;align-items:center}
.scene-phone{display:flex;justify-content:center;position:relative}
.scene-phone::before{content:"";position:absolute;width:440px;height:440px;top:50%;left:50%;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(closest-side,rgba(110,108,255,.16),transparent);z-index:-1}
.phone{width:320px;height:640px;border-radius:48px;padding:11px;background:#16171d;box-shadow:inset 0 0 0 2px #3a3b44,0 50px 90px -40px rgba(20,24,70,.55),0 20px 40px -24px rgba(20,24,70,.4);display:flex;flex-direction:column;position:relative}
.phone > *{background:#ededed}
.ph-status{display:flex;align-items:center;justify-content:space-between;height:40px;padding:0 26px 0 30px;border-radius:38px 38px 0 0;font-size:13px;font-weight:600;position:relative}
.ph-island{position:absolute;left:50%;top:9px;transform:translateX(-50%);width:92px;height:26px;border-radius:20px;background:#0b0b0f}
.ph-icons{display:flex;gap:3px;align-items:flex-end}
.ph-icons b{width:4px;background:#111;border-radius:1px}
.ph-icons b:nth-child(1){height:5px}.ph-icons b:nth-child(2){height:8px}.ph-icons b:nth-child(3){height:11px;width:16px;border-radius:3px}
.ph-head{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 14px;border-bottom:1px solid #dcdcdc;text-align:center}
.ph-head svg{width:18px;height:18px;color:#222}
.ph-head b{display:block;font-size:14.5px;font-weight:600;line-height:1.2}
.ph-head small{display:block;font-size:10px;color:#8b8b8b;line-height:1.3;height:13px}
.ph-chat{flex:1;overflow:hidden;padding:12px 12px 8px;display:flex;flex-direction:column;gap:12px;justify-content:flex-end}
.ph-chat .wx-row{max-width:100%}
.ph-chat .wx-row.me{flex-direction:row-reverse}
.ph-chat .wx-row.me .wx-bub{background:#95ec69}
.ph-chat .wx-row.me small{text-align:right}
.ph-chat .wx-bub{font-size:12.5px;max-width:212px}
.ph-chat .at{color:#576b95}
.ph-chat .wx-av{display:grid;place-items:center;width:28px;height:28px;border-radius:6px;color:#fff;font-size:12px;font-weight:600;flex:none}
.ph-chat .wx-time{align-self:center;font-size:10.5px;color:#9b9b9b}
.ph-input{display:flex;align-items:center;gap:8px;height:56px;padding:0 12px 6px;border-radius:0 0 38px 38px;border-top:1px solid #dcdcdc;background:#f6f6f6}
.ph-input svg{width:22px;height:22px;color:#222;flex:none}
.ph-input span{flex:1;height:32px;border-radius:6px;background:#fff}

.scene-copy h2{margin-bottom:32px}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px}
.tabs button{height:36px;padding:0 16px;border-radius:10px;font-size:13.5px;font-weight:550;color:var(--ink2);background:#fff;border:1px solid var(--line);transition:all .25s}
.tabs button:hover{border-color:#cdd0f5}
.tabs button.on{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 8px 18px -10px rgba(91,94,246,.9)}
.sc-detail h3{font-size:26px;line-height:1.3;font-weight:700;letter-spacing:-.02em;transition:opacity .3s}
.sc-detail > p{margin-top:8px;font-size:15px}
.sc-steps{margin-top:24px;display:flex;flex-direction:column;gap:6px;max-width:440px}
.sc-steps li{display:flex;gap:14px;align-items:center;padding:11px 14px;border-radius:14px;border:1px solid transparent;transition:background .4s,border-color .4s}
.sc-steps li span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#eef0f7;color:var(--soft);font-size:11.5px;font-weight:650;flex:none;transition:all .4s}
.sc-steps li b{display:block;font-size:14.5px;font-weight:600;color:var(--ink2);line-height:1.4}
.sc-steps li small{display:block;font-size:12.5px;color:var(--soft);line-height:1.4}
.sc-steps li.done span{background:#e3f6ec;color:#16a06a}
.sc-steps li.on{background:#f1f1ff;border-color:#e2e3ff}
.sc-steps li.on span{background:var(--accent);color:#fff;box-shadow:0 0 0 4px rgba(91,94,246,.14)}

/* ---------- flow ---------- */
.sec-flow{position:relative;background:var(--night);color:#fff;overflow:hidden;isolation:isolate}
.sec-flow .eyebrow{color:#a5a7ff}
.sec-flow p.lead{color:rgba(255,255,255,.55)}
.flow-glow{position:absolute;z-index:-1;left:50%;top:58%;width:1000px;height:700px;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(98,96,255,.2),rgba(98,96,255,.04) 60%,transparent);pointer-events:none}
.graph{position:relative;display:grid;grid-template-columns:auto 1fr auto 1fr auto;align-items:center;max-width:1100px;margin:0 auto}
.graph-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.g-src,.g-dst{position:relative;z-index:2;display:flex;flex-direction:column;gap:7px}
.g-src{grid-column:1}
.g-mid{grid-column:3;position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;gap:56px}
.g-dst{grid-column:5;gap:20px}
.g-src li,.g-dst li{display:flex;align-items:center;gap:9px;height:33px;padding:0 13px 0 10px;border-radius:10px;background:#11131c;border:1px solid var(--night-line);font-size:13px;font-weight:550;color:rgba(255,255,255,.82);white-space:nowrap;transition:border-color .35s,box-shadow .35s,color .35s,background .35s}
.g-src li svg{width:15px;height:15px;color:#a9abff;flex:none}
.g-src li em{font-style:normal;font-size:11px;color:rgba(255,255,255,.38);font-weight:450}
.g-src li.hit{border-color:rgba(150,150,255,.6);color:#fff;box-shadow:0 0 18px -4px rgba(120,120,255,.6)}
.g-dst li{height:42px;padding:0 10px 0 16px;border-radius:12px;font-size:14px;position:relative}
.g-dst li svg{width:18px;height:18px;color:#3dd68c;margin-left:4px}
.g-dst li i{font-style:normal;font-size:10.5px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:#e5484d;color:#fff;display:grid;place-items:center;opacity:0;transform:scale(.6);transition:all .3s;margin-left:auto}
.g-dst li.has i{opacity:1;transform:none}
.g-dst li.hit{border-color:rgba(61,214,140,.55);box-shadow:0 0 18px -4px rgba(61,214,140,.5);color:#fff}
.hub{position:relative;display:grid;place-items:center}
.hub-core{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;width:184px;height:184px;justify-content:center;border-radius:50%;background:radial-gradient(circle at 35% 25%,#8587ff,#5a4ff0 60%,#4b3fd8);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 0 0 1px rgba(160,160,255,.35),0 0 60px -4px rgba(110,100,255,.75),0 0 140px 0 rgba(110,100,255,.28);transition:transform .25s}
.hub-core.beat{transform:scale(1.035)}
.hub-core > svg{width:26px;height:26px;color:#fff}
.hub-core strong{font-size:16.5px;font-weight:650;letter-spacing:.02em}
.hub-core em{display:flex;align-items:center;gap:5px;font-style:normal;font-size:12px;font-weight:550;padding:3px 11px 3px 8px;border-radius:999px;background:rgba(10,8,40,.28);border:1px solid rgba(255,255,255,.2)}
.hub-core em svg{width:13px;height:13px;color:#fff}
.ring{position:absolute;left:50%;top:50%;border-radius:50%;border:1px solid rgba(130,130,255,.18);transform:translate(-50%,-50%);pointer-events:none}
.r1{width:240px;height:240px}
.r2{width:310px;height:310px;border-color:rgba(130,130,255,.08);animation:breathe 5s ease-in-out infinite}
@keyframes breathe{50%{transform:translate(-50%,-50%) scale(1.06);opacity:.4}}
.robot{display:flex;align-items:center;gap:11px;padding:9px 18px 9px 9px;border-radius:16px;background:linear-gradient(180deg,#14261d,#0f1a15);border:1px solid rgba(61,214,140,.35);box-shadow:0 0 30px -8px rgba(61,214,140,.45);white-space:nowrap}
.robot > span{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:#1aad5f;color:#fff}
.robot > span svg{width:20px;height:20px}
.robot b{display:block;font-size:14.5px;font-weight:650;line-height:1.3}
.robot small{display:block;font-size:11.5px;color:rgba(255,255,255,.5);line-height:1.3}
.ln{fill:none;stroke:rgba(255,255,255,.11);stroke-width:1.1}
.ln.link{stroke:rgba(61,214,140,.35);stroke-dasharray:3 5;animation:march 1.2s linear infinite}
@keyframes march{to{stroke-dashoffset:-16}}
.comet{fill:none;stroke:#d2d0ff;stroke-width:2.3;stroke-linecap:round;filter:url(#glow);opacity:0}
.comet.g{stroke:#6ff0b0}
.ticker{text-align:center;margin-top:40px;font-size:14px;color:rgba(255,255,255,.6);min-height:1.7em;transition:opacity .3s,transform .3s}
.ticker.swap{opacity:0;transform:translateY(4px)}
.ticker::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#3dd68c;margin-right:10px;vertical-align:middle;box-shadow:0 0 10px #3dd68c}
.g-src li,.g-dst li,.hub,.robot{opacity:0;transform:translateY(6px)}
.graph.ready .g-src li,.graph.ready .g-dst li,.graph.ready .hub,.graph.ready .robot{opacity:1;transform:none;transition:opacity .7s,transform .7s,border-color .35s,box-shadow .35s,color .35s}

/* ---------- modules / steps ---------- */
.mods{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mod{padding:30px 26px 28px;border-radius:var(--r);border:1px solid var(--line);background:#fff;transition:transform .35s,box-shadow .35s,border-color .35s}
.mod:hover{transform:translateY(-4px);border-color:#dadcf7;box-shadow:0 24px 50px -30px rgba(60,62,160,.35)}
.mod-ico{display:grid;place-items:center;width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,#eef0ff,#f4efff);color:var(--accent);margin-bottom:44px}
.mod-ico svg{width:22px;height:22px}
.mod p{font-size:14px;margin-top:6px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:56px;border-top:1px solid var(--line);padding-top:40px;counter-reset:s}
.steps span{display:block;font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:13px;color:var(--accent);margin-bottom:18px;letter-spacing:.08em}
.steps p{margin-top:6px;font-size:14.5px}

/* ---------- wall ---------- */
.wall{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.wall-g{background:#fff;padding:28px 28px 30px}
.wall-g h3{font-size:15px;margin-bottom:16px}
.wall-g p{display:flex;flex-wrap:wrap;gap:8px}
.wall-g span{font-size:13px;color:var(--ink2);padding:5px 12px;border-radius:8px;background:var(--paper);border:1px solid var(--line2)}

/* ---------- safe ---------- */
.safe{display:grid;grid-template-columns:repeat(3,1fr);gap:56px}
.safe svg{width:30px;height:30px;color:var(--accent);margin-bottom:22px}.safe use{stroke-width:1.5}
.safe p{margin-top:6px;font-size:14.5px}

/* ---------- cta ---------- */
.sec-cta{padding:112px 0 120px}
.cta{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;padding:56px 60px;border-radius:26px;background:radial-gradient(500px 260px at 0% 0%,rgba(122,118,255,.14),transparent 70%),linear-gradient(135deg,#f6f6ff,#f3f0ff);border:1px solid #e6e5fb}
.cta h2{font-size:clamp(26px,2.6vw,36px)}
.cta > div > p{margin-top:10px;font-size:15.5px}
.cta-call{padding:28px 30px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:0 24px 50px -30px rgba(60,62,160,.35)}
.cta-call small{font-size:12.5px;color:var(--soft)}
.tel{display:block;font-size:34px;font-weight:700;letter-spacing:.01em;margin:2px 0 18px;font-variant-numeric:tabular-nums}
.cta-btns{display:flex;gap:10px;flex-wrap:wrap}

.toast{position:fixed;left:50%;bottom:28px;z-index:70;transform:translate(-50%,20px);padding:10px 18px;border-radius:12px;background:#15172a;color:#fff;font-size:13.5px;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s}
.toast.show{opacity:1;transform:translate(-50%,0)}


/* ======================================================
   全站：导航 / 子页 / 页脚 / 悬浮 / 弹窗 / 表单
   ====================================================== */
.nav-links{display:flex;align-items:center;gap:6px;font-size:14px;margin-left:44px;margin-right:auto}
.nav-links a{position:relative;padding:6px 12px;border-radius:9px;color:var(--ink2);transition:color .2s,background .2s}
.nav-links a:hover{color:var(--ink);background:rgba(91,94,246,.06)}
.nav-links a.on{color:var(--accent);font-weight:600}
.nav-links a.on::after{content:"";position:absolute;left:50%;bottom:-2px;width:16px;height:2px;border-radius:2px;background:var(--accent);transform:translateX(-50%)}
.nav-act{display:flex;align-items:center;gap:14px}
.nav-tel{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--ink2);font-variant-numeric:tabular-nums}
.nav-tel svg{width:15px;height:15px;color:var(--accent)}
.burger{display:none;width:36px;height:36px;border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger i{display:block;width:18px;height:1.8px;border-radius:2px;background:var(--ink);transition:transform .3s}
.nav.open .burger i:first-child{transform:translateY(3.4px) rotate(45deg)}
.nav.open .burger i:last-child{transform:translateY(-3.4px) rotate(-45deg)}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent)}
.link-more svg{width:16px;height:16px;transition:transform .25s}
.link-more:hover svg{transform:translateX(3px)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}

/* 子页头 */
.phero{position:relative;padding:150px 0 76px;overflow:hidden;isolation:isolate;background:linear-gradient(180deg,#f5f5ff,#fff)}
.phero-bg{position:absolute;inset:0;z-index:-1;background:radial-gradient(520px 300px at 12% 10%,rgba(122,118,255,.16),transparent 70%),radial-gradient(520px 300px at 90% 0%,rgba(80,150,255,.12),transparent 70%)}
.phero-bg::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(91,94,246,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(91,94,246,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 60% 70% at 30% 0%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 60% 70% at 30% 0%,#000 20%,transparent 75%)}
.phero h1{font-size:clamp(32px,4vw,54px);line-height:1.18;font-weight:700;letter-spacing:-.03em}
.phero .lead{max-width:560px}

.subnav{position:sticky;top:64px;z-index:30;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav a{flex:none;font-size:13.5px;padding:6px 14px;border-radius:999px;color:var(--ink2);border:1px solid var(--line);background:#fff;transition:all .2s}
.subnav a:hover{border-color:#cdd0f5;color:var(--accent)}

/* 产品 */
.sec-prod{padding-top:64px}
.prods{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.prod{display:flex;flex-direction:column;padding:34px 34px 30px;border-radius:22px;border:1px solid var(--line);background:#fff;scroll-margin-top:130px;transition:box-shadow .35s,border-color .35s,transform .35s}
.prod:hover{border-color:#dadcf7;box-shadow:0 30px 60px -36px rgba(60,62,160,.4);transform:translateY(-3px)}
.prod-head{display:flex;align-items:center;gap:16px}
.prod-ico{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;background:linear-gradient(135deg,#6366ff,#9a6bff);color:#fff;box-shadow:0 12px 24px -12px rgba(91,94,246,.8);flex:none}
.prod-ico svg{width:24px;height:24px}
.prod-head small{display:block;font-size:12px;color:var(--soft);letter-spacing:.06em}
.prod h2{font-size:24px!important;line-height:1.3}
.prod-one{margin-top:18px;font-size:17px;color:var(--ink)!important;font-weight:550}
.prod-pts{margin:18px 0 20px;display:flex;flex-direction:column;gap:10px}
.prod-pts li{display:flex;gap:10px;font-size:14.5px;color:var(--ink2);line-height:1.6}
.prod-pts svg{width:16px;height:16px;flex:none;margin-top:3px;color:var(--accent)}
.prod-fit{margin-top:auto;font-size:13.5px;padding-top:16px;border-top:1px dashed var(--line);margin-bottom:18px}
.prod-fit span{display:inline-block;font-size:11.5px;color:var(--accent);background:var(--acc-soft);padding:1px 8px;border-radius:6px;margin-right:8px}
.prod .btn{align-self:flex-start}

/* 成效 + 案例 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats > div{padding:30px 8px 26px;border-right:1px solid var(--line)}
.stats > div:last-child{border-right:0}
.stats b{font-size:clamp(36px,4vw,54px);font-weight:700;letter-spacing:-.03em;line-height:1;background:linear-gradient(135deg,var(--ink),#4a4fd8);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats u{text-decoration:none;font-size:15px;font-weight:600;color:var(--ink2);margin-left:4px}
.stats small{display:block;margin-top:10px;font-size:13.5px;color:var(--muted)}
.stats-note{margin-top:12px;font-size:12px!important;color:var(--soft)!important}
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.case-card{display:flex;flex-direction:column;padding:24px 22px 20px;border-radius:var(--r);background:#fff;border:1px solid var(--line);transition:transform .35s,box-shadow .35s,border-color .35s}
.case-card:hover{transform:translateY(-4px);border-color:#d7d9f6;box-shadow:0 24px 50px -28px rgba(60,62,160,.4)}
.case-top{display:flex;align-items:center;gap:12px;position:relative}
.case-top b{display:block;font-size:15px;font-weight:650;line-height:1.35}
.case-top small{display:block;font-size:12px;color:var(--soft)}
.case-logo{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#1d2140,#3b3f72);color:#fff;font-weight:650;font-size:16px;flex:none}
.demo-tag{display:inline-block;margin-left:8px;font-style:normal;font-size:10.5px;line-height:16px;color:var(--soft);border:1px solid var(--line);padding:0 6px;border-radius:5px;background:#fff;vertical-align:1px}
.case-card > p{margin-top:16px;font-size:14px;color:var(--ink2)!important;line-height:1.65;flex:1}
.case-nums{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line2)}
.case-nums b{display:block;font-size:20px;font-weight:700;letter-spacing:-.02em;color:var(--accent)}
.case-nums small{display:block;font-size:11.5px;color:var(--soft);line-height:1.4}
.case-go{display:inline-flex;align-items:center;gap:4px;margin-top:16px;font-size:13px;font-weight:600;color:var(--accent)}
.case-go svg{width:14px;height:14px;transition:transform .25s}
.case-card:hover .case-go svg,.news-card:hover .case-go svg{transform:translateX(3px)}

.filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.filter button{height:34px;padding:0 15px;border-radius:999px;font-size:13.5px;color:var(--ink2);border:1px solid var(--line);background:#fff;transition:all .2s}
.filter button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.sec-cases{padding-top:56px}
.cases-list{display:flex;flex-direction:column;gap:20px}
.case-full{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;padding:40px;border-radius:24px;border:1px solid var(--line);background:#fff;scroll-margin-top:90px}
.case-full[hidden]{display:none}
.case-full:target{border-color:#c9ccf8;box-shadow:0 0 0 4px rgba(91,94,246,.08)}
.cf-side h2{font-size:24px!important;line-height:1.4;margin-top:24px}
.cf-sys{display:flex;flex-wrap:wrap;gap:6px;margin-top:24px;align-items:center}
.cf-sys small{width:100%;font-size:12px;color:var(--soft);margin-bottom:2px}
.cf-sys span{font-size:12.5px;padding:3px 10px;border-radius:7px;background:var(--paper);border:1px solid var(--line2);color:var(--ink2)}
.cf-block + .cf-block{margin-top:22px}
.cf-block h3{font-size:13px!important;color:var(--soft);font-weight:600;letter-spacing:.06em;margin-bottom:8px}
.cf-block p{color:var(--ink2)!important}
.cf-block ul{display:flex;flex-direction:column;gap:8px}
.cf-block li{display:flex;gap:10px;font-size:14.5px;color:var(--ink2)}
.cf-block li svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--accent)}
.cf-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
.cf-nums > div{padding:16px;border-radius:14px;background:var(--paper)}
.cf-nums b{display:block;font-size:22px;font-weight:700;color:var(--accent);letter-spacing:-.02em}
.cf-nums small{font-size:12px;color:var(--muted)}

/* 部署 */
.deploy{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:18px;align-items:stretch}
.dep{padding:32px 28px;border-radius:22px;border:1px solid var(--line);background:#fff}
.dep-ico{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--acc-soft);color:var(--accent);margin-bottom:28px}
.dep-ico svg{width:22px;height:22px}
.dep > p{margin-top:6px;font-size:14.5px}
.dep ul{display:flex;flex-wrap:wrap;gap:6px;margin-top:20px}
.dep ul li{font-size:12.5px;padding:3px 10px;border-radius:7px;background:var(--paper);color:var(--ink2)}
.dep-main{background:radial-gradient(400px 220px at 100% 0%,rgba(138,108,255,.35),transparent 70%),linear-gradient(160deg,#1b1e3a,#0f1124);border-color:transparent;color:#fff;box-shadow:0 30px 60px -30px rgba(30,30,90,.6)}
.dep-main .dep-ico{background:rgba(255,255,255,.1);color:#c9c8ff}
.dep-main > p{color:rgba(255,255,255,.62)!important}
.dep-main ol{margin-top:22px;display:flex;flex-direction:column;gap:8px}
.dep-main ol li{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);font-size:14px}
.dep-main ol b{font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:12px;color:#a9abff}
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 36px;margin-top:36px;font-size:14px;color:var(--ink2)}
.trust span{display:inline-flex;align-items:center;gap:8px}
.trust svg{width:18px;height:18px;color:var(--accent)}

/* 资讯 */
.sec-news{padding-top:56px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.news-card{display:flex;flex-direction:column;padding:26px 24px 22px;border-radius:var(--r);border:1px solid var(--line);background:#fff;transition:transform .35s,box-shadow .35s,border-color .35s}
.news-card[hidden]{display:none}
.news-card:hover{transform:translateY(-4px);border-color:#d7d9f6;box-shadow:0 24px 50px -28px rgba(60,62,160,.4)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--soft);font-variant-numeric:tabular-nums}
.news-meta em{font-style:normal;color:var(--accent);background:var(--acc-soft);padding:1px 8px;border-radius:6px}
.news-card h3{margin-top:14px;font-size:17px!important;line-height:1.45}
.news-card p{margin-top:8px;font-size:14px;flex:1}
.articles{max-width:760px}
.article{padding:44px 0;border-bottom:1px solid var(--line);scroll-margin-top:80px}
.article:first-child{padding-top:0}
.article:last-child{border-bottom:0}
.article h2{font-size:26px!important;margin-top:14px}
.article-lead{font-size:16.5px;color:var(--ink)!important;margin:12px 0 16px;font-weight:500}
.article p + p{margin-top:12px}
.article p{font-size:15.5px;line-height:1.9}
.back-top{display:inline-flex;align-items:center;gap:4px;margin-top:18px;font-size:13px;color:var(--soft)}
.back-top svg{width:13px;height:13px}

/* 生态合作 */
.coop{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.coop article{padding:30px 28px;border-radius:22px;border:1px solid var(--line);background:#fff}
.coop p{margin-top:6px;font-size:14.5px}
.apply{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;margin-top:28px;padding:44px;border-radius:24px;background:linear-gradient(135deg,#f6f6ff,#f3f0ff);border:1px solid #e6e5fb}
.apply-copy h3{font-size:24px!important}
.apply-copy p{margin-top:8px}
.apply-form{background:#fff;border-radius:18px;padding:28px;border:1px solid var(--line)}
.jobs{display:flex;flex-direction:column;gap:12px}
.job{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 28px;border-radius:18px;background:#fff;border:1px solid var(--line)}
.job p{margin-top:4px;font-size:14.5px}
.job > span{flex:none;font-size:13px;color:var(--ink2);padding:4px 12px;border-radius:999px;background:var(--paper)}
.join-tip{margin-top:22px;font-size:14.5px}
.join-tip a,.f-tip a,.form-ok a{color:var(--accent);font-weight:600}
.contact{display:grid;grid-template-columns:repeat(3,1fr) auto;gap:16px;align-items:stretch}
.ct-item{display:flex;gap:14px;padding:24px;border-radius:18px;border:1px solid var(--line);background:#fff}
.ct-item > svg{width:22px;height:22px;color:var(--accent);flex:none;margin-top:2px}
.ct-item small{display:block;font-size:12px;color:var(--soft)}
.ct-item a,.ct-item span{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.5}
.ct-qr{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px;border-radius:18px;border:1px solid var(--line);background:#fff}
.ct-qr small{font-size:12px;color:var(--soft)}

/* 关于 */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:72px}
.about-copy h2{margin-bottom:22px}
.about-copy p{font-size:16px;line-height:1.95;color:var(--ink2)!important}
.about-copy p + p{margin-top:14px}
.about-vals{display:flex;flex-direction:column;gap:12px}
.about-vals article{padding:24px 26px;border-radius:18px;border:1px solid var(--line);background:#fff}
.about-vals b{font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:12px;color:var(--accent)}
.about-vals h3{margin-top:6px}
.about-vals p{margin-top:4px;font-size:14.5px}

/* 法律 */
.legal{max-width:760px}
.legal h3{margin:30px 0 8px;font-size:17px!important}
.legal h3:first-child{margin-top:0}
.legal p{font-size:15px;line-height:1.95}

/* 二维码占位 */
.qr{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:132px;height:132px;padding:10px;border-radius:12px;border:1px dashed #c7cae3;background:#fff;text-align:center}
.qr svg{width:72px;height:72px}
.qr span{font-size:10.5px;color:var(--muted);line-height:1.35}

/* 页脚 */
.foot{background:#0b0c15;color:rgba(255,255,255,.62);font-size:13.5px;padding:64px 0 0}
.foot-top{display:grid;grid-template-columns:1.25fr 2.4fr auto;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot .brand{color:#fff}
.foot-brand > p{margin-top:14px;color:rgba(255,255,255,.55)}
.foot-tel{display:block;margin-top:20px;font-size:26px;font-weight:700;color:#fff;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.apply .foot-tel{color:var(--ink)}
.foot-addr{display:flex;gap:6px;align-items:flex-start;margin-top:8px!important;font-size:13px}
.foot-addr svg{width:15px;height:15px;flex:none;margin-top:3px}
.foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.foot-cols h4{margin:0 0 14px;font-size:13.5px;font-weight:600;color:#fff}
.foot-cols a{display:block;padding:4px 0;color:rgba(255,255,255,.55);transition:color .2s}
.foot-cols a:hover,.foot-friends a:hover,.foot-bottom a:hover{color:#fff}
.foot-qr{display:flex;flex-direction:column;align-items:center;gap:8px}
.foot-qr .qr{background:#fff;border-color:transparent;width:120px;height:120px}
.foot-qr small{font-size:12px}
.foot-friends{display:flex;flex-wrap:wrap;gap:8px 22px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:12.5px}
.foot-friends span{color:rgba(255,255,255,.85)}
.foot-friends a{color:rgba(255,255,255,.45);transition:color .2s}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;padding:20px 0 26px;font-size:12.5px;color:rgba(255,255,255,.42)}
.foot-bottom a{color:rgba(255,255,255,.42);transition:color .2s}
.foot-bottom nav{margin-left:auto;display:flex;gap:20px}

/* 右侧悬浮 */
.float{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:50;display:flex;flex-direction:column;gap:8px}
.fl-item{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:64px;height:64px;border-radius:16px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);box-shadow:0 12px 30px -14px rgba(30,34,90,.35);color:var(--ink2);font-size:11.5px;transition:transform .25s,box-shadow .25s,color .25s}
.fl-item svg{width:21px;height:21px;color:var(--accent)}
.fl-item:hover{transform:translateX(-3px);color:var(--accent);box-shadow:0 16px 36px -14px rgba(60,62,160,.5)}
.fl-primary{background:linear-gradient(160deg,#6366ff,#8a6cff);border-color:transparent;color:#fff}
.fl-primary svg{color:#fff}
.fl-primary:hover{color:#fff}
.fl-pop{position:absolute;right:76px;top:50%;transform:translate(8px,-50%);opacity:0;visibility:hidden;pointer-events:none;padding:12px 18px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:0 20px 40px -18px rgba(30,34,90,.4);white-space:nowrap;text-align:left;transition:all .25s}
.fl-pop small{display:block;font-size:11.5px;color:var(--soft)}
.fl-pop b{display:block;font-size:18px;color:var(--ink);font-variant-numeric:tabular-nums}
.fl-pop em{font-style:normal;font-size:11.5px;color:var(--accent)}
.fl-item:hover .fl-pop{opacity:1;visibility:visible;transform:translate(0,-50%)}
.fl-top{display:grid;place-items:center;width:64px;height:40px;border-radius:12px;background:rgba(255,255,255,.94);border:1px solid var(--line);color:var(--muted);box-shadow:0 12px 30px -14px rgba(30,34,90,.3);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.fl-top svg{width:18px;height:18px}
.fl-top.show{opacity:1;visibility:visible}

/* 弹窗 */
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px;background:rgba(12,14,36,.42);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.modal.show{opacity:1;visibility:visible}
.modal-card{position:relative;width:100%;max-width:520px;max-height:calc(100vh - 40px);overflow:auto;padding:32px;border-radius:22px;background:#fff;box-shadow:0 40px 80px -30px rgba(10,12,40,.5);transform:translateY(14px) scale(.98);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.modal.show .modal-card{transform:none}
.modal-sm{max-width:360px;text-align:center}
.modal-sm .qr{margin:18px auto;width:180px;height:180px}
.modal-sm .qr svg{width:110px;height:110px}
.modal-card h3{font-size:22px;font-weight:700;letter-spacing:-.02em}
.modal-card > p{margin-top:4px;color:var(--muted);font-size:14px}
.modal-x{position:absolute;right:14px;top:14px;display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:var(--muted)}
.modal-x:hover{background:var(--paper)}
.modal-x svg{width:18px;height:18px}
.modal-tel{display:flex;align-items:center;justify-content:center;gap:10px;font-size:13px;color:var(--soft)}
.modal-tel a{font-size:16px;font-weight:700;color:var(--ink)}
.lead-form{margin-top:22px}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px}
.f-grid label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--ink2);font-weight:550}
.f-full{grid-column:1/-1}
.f-grid input,.f-grid select,.f-grid textarea{width:100%;font:inherit;font-size:14.5px;color:var(--ink);padding:10px 12px;border-radius:11px;border:1px solid #dfe2ef;background:#fbfbfe;outline:0;transition:border-color .2s,box-shadow .2s,background .2s;resize:vertical}
.f-grid input:focus,.f-grid select:focus,.f-grid textarea:focus{border-color:#b9bcff;background:#fff;box-shadow:0 0 0 4px rgba(91,94,246,.08)}
.f-grid label.err input{border-color:var(--red);box-shadow:0 0 0 4px rgba(229,72,77,.08)}
.f-tip{display:block;text-align:center;margin-top:12px;font-size:12.5px;color:var(--soft)}
.form-ok{text-align:center;padding:34px 0 10px}
.form-ok > svg{width:52px;height:52px;margin:0 auto 14px;padding:12px;border-radius:50%;background:#e3f6ec;color:#16a06a}
.form-ok h4{margin:0;font-size:20px}
.form-ok p{margin:6px 0 18px!important;color:var(--muted)}
.wx-bub b{font-weight:600}
.push .at{color:#576b95}

/* ---------- responsive ---------- */

@media (max-width:1180px){
  .nav-tel{display:none}
  .nav-links{margin-left:24px}
  .float{right:12px}
}
@media (max-width:1080px){
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 2fr}
  .foot-qr{display:none}
  .deploy{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .nav-links{position:fixed;top:64px;left:0;right:0;margin:0;flex-direction:column;align-items:stretch;gap:2px;padding:10px 14px 18px;background:rgba(255,255,255,.97);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line);box-shadow:0 20px 40px -24px rgba(20,24,60,.3);opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .25s}
  .nav.open .nav-links{opacity:1;visibility:visible;transform:none}
  .nav.open{background:#fff;border-color:var(--line)}
  .nav-links a{padding:12px 14px;font-size:15px}
  .nav-links a.on::after{display:none}
  .nav-links a.on{background:var(--acc-soft)}
  .burger{display:flex}
  .nav-act{gap:6px;margin-left:auto}
  .prods{grid-template-columns:1fr}
  .case-full{grid-template-columns:1fr;gap:24px;padding:30px}
  .apply{grid-template-columns:1fr;gap:24px;padding:30px}
  .about{grid-template-columns:1fr;gap:40px}
  .news-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1080px){
  .scene{gap:40px}
  .mods{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .side{position:absolute;inset:0 auto 0 0;z-index:20;width:260px;transform:translateX(-102%);transition:transform .35s cubic-bezier(.2,.7,.2,1);box-shadow:20px 0 40px -20px rgba(20,24,60,.3)}
  .app.side-open .side{transform:none}
  .side-mask{position:absolute;inset:0;z-index:15;background:rgba(15,19,48,.25);opacity:0;pointer-events:none;transition:opacity .3s}
  .app.side-open .side-mask{opacity:1;pointer-events:auto}
  .side-brand .side-close{display:grid}
  .menu{display:grid;margin-left:-8px}
}
@media (max-width:760px){
  body{font-size:14.5px}
  .wrap,.nav-in{padding:0 18px}
  .hero{padding:84px 0 48px}
  .hero h1{font-size:27px;margin-top:14px}
  .hero-sub{display:none}
  .wrap-app{margin-top:22px;padding:0 10px}
  .app{height:calc(100svh - 290px);min-height:480px;max-height:640px;border-radius:18px}
  .topbar{height:50px;padding:0 12px}
  .badge{font-size:11px;padding:3px 8px}
  .msgs{padding-top:18px}
  .msgs > *{padding-left:14px;padding-right:14px}
  .welcome{padding-top:6px}
  .w-mark{width:40px;height:40px;margin-bottom:10px}
  .welcome h2{font-size:20px}
  .welcome > p{font-size:13px}
  .w-cards{grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}
  .w-card{padding:10px;gap:9px}
  .w-card > span{width:28px;height:28px}
  .w-card small{display:none}
  .w-card b{font-size:13px}
  .composer{padding:6px 12px 10px}
  .hint{display:none}
  .m-bot{gap:9px}
  .m-bot > svg,.m-bot > .product-logo{width:24px;height:24px}
  .m-text{font-size:14px}
  .kpi{padding:10px 12px}
  .kpi b{font-size:19px}
  .tbl td,.tbl th{padding:8px 10px}
  .push{left:12px;right:12px;width:auto;top:58px}
  .sec{padding:80px 0}
  .sec-head{margin-bottom:36px}
  .sec h2{font-size:26px}
  .m-br{display:inline}
  .scene{grid-template-columns:1fr;gap:36px}
  .scene-phone{order:2}
  .scene-copy h2{margin-bottom:22px}
  .tabs{flex-wrap:nowrap;overflow-x:auto;margin:0 -18px 24px;padding:0 18px 4px;scrollbar-width:none}
  .tabs::-webkit-scrollbar{display:none}
  .tabs button{flex:none}
  .sc-detail h3{font-size:21px}
  .sc-steps li{padding:9px 10px}
  .phone{width:300px;height:580px}
  .scene-phone::before{width:340px;height:340px}

  .graph{display:flex;flex-direction:column;align-items:stretch;gap:58px}
  .g-src{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}
  .g-src li{height:34px;font-size:12.5px;padding:0 8px}
  .g-dst{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}
  .g-dst li{height:36px;padding:0;justify-content:center;font-size:12.5px}
  .g-dst li svg{display:none}
  .g-dst li i{position:absolute;top:-7px;right:-5px;margin:0}
  .g-mid{gap:46px}
  .hub-core{width:150px;height:150px}
  .hub-core strong{font-size:14.5px}
  .r1{width:190px;height:190px}.r2{width:240px;height:240px}
  .ticker{font-size:12.5px;margin-top:30px}

  .mods{grid-template-columns:1fr;gap:12px}
  .mod{display:grid;grid-template-columns:44px 1fr;column-gap:16px;padding:20px}
  .mod-ico{margin:0;grid-row:span 2}
  .mod h3{font-size:16px}
  .mod p{margin-top:0}
  .steps,.safe{grid-template-columns:1fr;gap:28px}
  .steps span{margin-bottom:6px}
  .safe svg{margin-bottom:10px}
  .wall{grid-template-columns:1fr}
  .wall-g{padding:22px 20px}
  .cta{grid-template-columns:1fr;padding:30px 22px;gap:24px}
  .cta-call{padding:22px}
  .tel{font-size:28px}
}
@media (max-width:760px){
  .phero{padding:110px 0 48px}
  .phero h1{font-size:30px}
  .subnav{top:64px}
  .subnav .wrap{padding-left:18px;padding-right:18px}
  .prod{padding:26px 22px 22px}
  .prod h2{font-size:21px!important}
  .prod-one{font-size:16px}
  .stats{grid-template-columns:1fr 1fr}
  .stats > div{padding:22px 4px 20px}
  .stats > div:nth-child(2){border-right:0}
  .stats > div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .stats b{font-size:36px}
  .case-grid{display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:82%;gap:12px;margin:28px -18px 0;padding:4px 18px 10px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;scroll-padding:0 18px}
  .case-grid::-webkit-scrollbar{display:none}
  .case-card{scroll-snap-align:start}
  .g-src li em{font-size:10px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:12px}
  .case-full{padding:22px 20px}
  .cf-side h2{font-size:19px!important;margin-top:18px}
  .cf-nums{grid-template-columns:1fr 1fr 1fr;gap:8px}
  .cf-nums > div{padding:12px 10px}
  .cf-nums b{font-size:17px}
  .news-grid,.coop{grid-template-columns:1fr;gap:12px}
  .article h2{font-size:21px!important}
  .apply{padding:22px 18px}
  .apply-form{padding:20px 16px}
  .f-grid{grid-template-columns:1fr}
  .job{flex-direction:column;align-items:flex-start;gap:10px;padding:20px}
  .contact{grid-template-columns:1fr}
  .ct-qr{flex-direction:row;justify-content:center;gap:14px}
  .foot{padding-top:44px}
  .foot-top{grid-template-columns:1fr;gap:32px}
  .foot-cols{grid-template-columns:1fr 1fr;gap:20px 16px}
  .foot-bottom nav{margin-left:0;flex-wrap:wrap;gap:8px 18px}
  body{padding-bottom:calc(62px + env(safe-area-inset-bottom))}
  .float{top:auto;bottom:0;left:0;right:0;transform:none;flex-direction:row;gap:0;padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line)}
  .fl-item{flex:1;flex-direction:row;width:auto;height:48px;gap:6px;border:0;box-shadow:none;background:transparent;border-radius:12px;font-size:13.5px;font-weight:550}
  .fl-item:hover{transform:none}
  .fl-item svg{width:18px;height:18px}
  .fl-primary{background:linear-gradient(160deg,#6366ff,#8a6cff);margin-left:4px}
  .fl-pop{display:none}
  .fl-top{position:fixed;right:12px;bottom:calc(74px + env(safe-area-inset-bottom));width:40px;height:40px;border-radius:50%}
  .modal-card{padding:26px 20px}
  .trust{justify-content:flex-start;gap:10px}
  .nav-act .btn{height:34px;padding:0 12px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ---------- r3 · 品牌 logo（图片） ---------- */
img.brand-mark{display:block;flex:none;border-radius:8px;object-fit:contain}
.qr.qr-img{border:1px solid #eceef6;padding:6px;gap:0;overflow:hidden}
.qr.qr-img img{display:block;width:100%;height:100%;object-fit:contain;image-rendering:auto}
.modal-sm .qr.qr-img{width:200px;height:200px}

/* ---------- r3 · 手机微信演示（移植自 xinglan.wanhe.cn phone-scenes.css） ---------- */
.pd-stage{min-width:0;position:relative;display:flex;justify-content:center;width:100%;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.5}
.pd-stage *{box-sizing:border-box}
.pd-phone{position:relative;width:100%;max-width:312px;padding:8px;border-radius:48px;background:linear-gradient(130deg,#858b99,#171a21 12%,#2a2d35 72%,#747b88);border:1px solid #7c8290;box-shadow:10px 26px 50px #24345a29,0 3px 7px #15213950,inset 0 0 0 2px #111319}
.pd-phone:before{content:"";position:absolute;inset:4px;border-radius:44px;border:1px solid #656e7d88;pointer-events:none;z-index:5}
.pd-phone:after{content:"";position:absolute;z-index:-1;bottom:-21px;left:7%;width:86%;height:30px;border-radius:50%;background:#283b752b;filter:blur(20px)}
.pd-buttons{position:absolute;inset:0;pointer-events:none}
.pd-buttons:before,.pd-buttons:after{content:"";position:absolute;left:-3px;top:115px;width:3px;height:40px;background:#586172;border-radius:2px 0 0 2px}
.pd-buttons:after{top:165px;height:49px}
.pd-screen{position:relative;min-width:0;border:1px solid #10141e;border-radius:37px;height:600px;overflow:hidden;background:#ededed}
.pd-app{position:absolute;left:0;top:0;width:360px;height:760px;background:#ededed;transform:scale(var(--pd-scale,1));transform-origin:0 0;display:flex;flex-direction:column;color:#171717}
.pd-island{position:absolute;left:50%;transform:translateX(-50%);top:11px;width:96px;height:26px;background:#0b0c10;border-radius:17px;z-index:3;display:flex;align-items:center;justify-content:flex-end;padding-right:10px}
.pd-island i{width:8px;height:8px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#263a57,#0d1422 70%)}
.pd-status{height:50px;padding:18px 25px 0 26px;display:flex;justify-content:space-between;align-items:flex-start;flex-shrink:0;font-size:14px;font-weight:600;color:#111}
.pd-status>div{display:flex;align-items:center;gap:6px;padding-top:2px}
.pd-signal{width:19px;height:14px;fill:#222}
.pd-wifi{width:17px;height:14px;fill:none;stroke:#222;stroke-width:2;stroke-linecap:round}
.pd-wifi circle{fill:#222;stroke:none}
.pd-battery{font-size:8px;line-height:12px;height:13px;width:25px;display:flex;justify-content:center;align-items:center;background:#65c380;color:#fff;position:relative;border:1px solid #4fb572;border-radius:3px}
.pd-battery:after{content:"";width:2px;height:6px;background:#828b8d;position:absolute;right:-4px;border-radius:0 2px 2px 0}
.pd-chat-header{height:51px;border-bottom:1px solid #ddd8;display:flex;align-items:center;justify-content:space-between;padding:0 17px;flex-shrink:0}
.pd-chat-header>svg{height:21px;width:12px;fill:none;stroke:#17191c;stroke-width:2.3;stroke-linecap:round;stroke-linejoin:round}
.pd-chat-header .pd-chat-title{margin:0;font-size:18px;font-weight:600;letter-spacing:0;color:#161616;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:250px}
.pd-chat-header>span{font-size:15px;letter-spacing:1px;color:#161616}
.pd-activity{height:23px;flex-shrink:0;display:flex;align-items:center;justify-content:center;gap:4px;color:#6c7991;font-size:11px;line-height:1}
.pd-activity span{margin-right:3px}
.pd-activity i{display:none;width:3px;height:3px;border-radius:50%;background:#7d8eb2}
.pd-activity.is-typing i{display:block;animation:pd-typing .9s infinite}
.pd-activity i:nth-of-type(2){animation-delay:.15s}
.pd-activity i:nth-of-type(3){animation-delay:.3s}
.pd-log{flex:1;padding:2px 13px 12px;overflow:auto;min-height:0;scrollbar-width:none;overscroll-behavior-y:contain}
.pd-log::-webkit-scrollbar{display:none}
.pd-log:focus-visible{outline:2px solid #6473fa;outline-offset:-2px}
.pd-stamp{text-align:center;font-size:11px;color:#858585;margin:12px 0 14px;line-height:1.5}
.pd-stamp.jump>span{padding:4px 9px;background:#e3e2de;border-radius:4px;color:#8b8882}
.pd-row{display:flex;align-items:flex-start;gap:9px;margin-bottom:15px;animation:pd-bubble-in .25s ease-out}
.pd-row.outgoing{flex-direction:row-reverse}
.pd-avatar{display:block;width:38px;height:38px;border-radius:5px;flex-shrink:0;object-fit:cover;background:#dce2e8}
span.pd-avatar{display:grid;place-items:center;color:#fff;font-size:16px;font-weight:600}
.pd-content{min-width:0;max-width:78%}
.pd-name{font-size:11px;margin-bottom:5px;color:#727272;line-height:1.4}
.pd-bubble{position:relative;padding:9px 11px;background:#fff;border-radius:5px;font-size:17px;line-height:1.5;white-space:pre-line;overflow-wrap:anywhere;color:#242424}
.pd-bubble:before{content:"";position:absolute;left:-4px;top:13px;width:8px;height:8px;background:#fff;transform:rotate(45deg)}
.outgoing .pd-bubble{background:#95ec69}
.outgoing .pd-bubble:before{left:auto;right:-4px;background:#95ec69}
.outgoing .pd-name{display:none}
.pd-mention{color:#5d76a1}
.outgoing .pd-mention{color:#355d39}
.pd-typing{height:43px;padding:14px 16px;display:flex;gap:5px;align-items:center}
.pd-typing i{width:5px;height:5px;border-radius:50%;background:#9a9ca0;animation:pd-typing 1.1s infinite}
.pd-typing i:nth-child(2){animation-delay:.15s}
.pd-typing i:nth-child(3){animation-delay:.3s}
.pd-composer{position:relative;flex-shrink:0;height:58px;display:flex;align-items:center;gap:9px;padding:9px 12px;background:#f7f7f7;border-top:1px solid #e0e0e0}
.pd-composer>svg{width:27px;height:27px;flex-shrink:0;fill:none;stroke:#252b2b;stroke-width:1.8;stroke-linecap:round}
.pd-input{background:#fff;border-radius:6px;flex:1;min-width:0;height:38px;line-height:1.5;font-size:13px;padding:8px 7px;white-space:nowrap;overflow:hidden;color:#222}
.pd-send{display:none;padding:8px 9px;color:#fff;background:#08b765;font-size:12px;border-radius:5px}
.pd-composer.writing .pd-plus{display:none}
.pd-composer.writing .pd-send{display:block}
.pd-tap{width:25px;height:25px;border-radius:50%;background:#5867eb33;border:2px solid #a7b1f0;position:absolute;right:16px;opacity:0;pointer-events:none}
.pd-tap.visible{opacity:1;animation:pd-tap .4s ease-out}
.pd-home{height:26px;background:#f7f7f7;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.pd-home i{height:4px;width:119px;background:#151515;border-radius:5px}
@keyframes pd-bubble-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes pd-typing{0%,75%,100%{opacity:.35;transform:translateY(0)}35%{opacity:1;transform:translateY(-3px)}}
@keyframes pd-tap{0%{transform:scale(.6)}100%{transform:scale(1.3);opacity:0}}

/* ---------- r3 · 场景标签 + DIY ---------- */
.tabs button.tab-diy{border-style:dashed;border-color:#a9b3ec;color:#596bb5;background:#f6f7ff}
.tabs button.tab-diy.on{border-style:solid;background:var(--accent);border-color:var(--accent);color:#fff}
.diy{margin-top:22px;max-width:460px;display:flex;flex-direction:column;gap:12px}
.diy[hidden]{display:none}
.diy label{display:flex;flex-direction:column;gap:6px;min-width:0}
.diy label>span{font-size:12.5px;color:var(--soft);font-weight:550}
.diy-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.diy select,.diy textarea{width:100%;font:inherit;font-size:14px;color:var(--ink2);background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 11px;outline:none;transition:border-color .2s,box-shadow .2s}
.diy textarea{resize:none;line-height:1.55}
.diy select:focus,.diy textarea:focus{border-color:#a9adf7;box-shadow:0 0 0 3px rgba(91,94,246,.12)}
.diy-eg{display:flex;flex-wrap:wrap;gap:6px}
.diy-eg button{font-size:12px;padding:5px 10px;border-radius:999px;background:#f1f2fb;color:#5a6090;border:1px solid transparent;transition:all .2s}
.diy-eg button:hover{border-color:#cdd0f5;background:#fff}
.diy-act{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.diy-act small{font-size:11.5px;color:var(--soft)}
.diy.shake textarea{border-color:#f0a3a3}
@media (max-width:760px){
  .scene{grid-template-columns:minmax(0,1fr)}
  .scene-copy,.scene-phone{min-width:0}
  .pd-phone{max-width:294px;padding:7px;border-radius:43px}
  .pd-phone:before{border-radius:39px}
  .pd-screen{border-radius:34px;height:540px}
  .diy-row{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){.pd-row,.pd-typing i,.pd-tap.visible,.pd-activity i{animation:none}}

/* ---------- r4 · 微信场景屏排版 ---------- */
.scene{align-items:center}
.scene-phone{align-self:center}
.scene-copy{min-width:0}
.scene-copy h2{margin-bottom:28px}
.sc-tabbar{position:relative;display:flex;align-items:center;gap:6px;margin-bottom:30px;max-width:560px}
.sc-tabbar .tabs{flex:1;min-width:0;display:flex;flex-wrap:nowrap;gap:8px;margin:0;padding:6px 2px 10px;overflow-x:auto;scrollbar-width:none;overscroll-behavior-x:contain;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%)}
.sc-tabbar.at-start .tabs{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 22px),transparent 100%);mask-image:linear-gradient(90deg,#000 calc(100% - 22px),transparent 100%)}
.sc-tabbar.at-end .tabs{-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 22px);mask-image:linear-gradient(90deg,transparent 0,#000 22px)}
.sc-tabbar.no-scroll .tabs{-webkit-mask-image:none;mask-image:none}
.sc-tabbar .tabs::-webkit-scrollbar{display:none}
.sc-tabbar .tabs button{flex:none;white-space:nowrap}
.sc-arr{flex:none;display:grid;place-items:center;width:30px;height:30px;margin-bottom:4px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink2);transition:opacity .2s,border-color .2s}
.sc-arr:hover{border-color:#cdd0f5}
.sc-arr svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sc-tabbar.at-start #scPrev,.sc-tabbar.at-end #scNext{opacity:.35;pointer-events:none}
.sc-tabbar.no-scroll .sc-arr{display:none}
.sc-tabbar .tab-diy{flex:none;height:36px;margin-bottom:4px;padding:0 14px;border-radius:10px;font-size:13.5px;font-weight:600;white-space:nowrap;border:1px dashed #a9b3ec;color:#596bb5;background:#f6f7ff;transition:all .25s}
.sc-tabbar .tab-diy:hover{background:#eef0ff}
.sc-tabbar .tab-diy.on{border-style:solid;border-color:var(--accent);background:var(--accent);color:#fff;box-shadow:0 8px 18px -10px rgba(91,94,246,.9)}
.sc-detail{min-height:410px}
.sc-steps[hidden]{display:none}
.diy{margin-top:20px}
@media (max-width:760px){
  .sc-tabbar{margin:0 -18px 20px;padding:0 18px;max-width:none}
  .sc-arr{display:none}
  .sc-tabbar .tabs{padding:4px 2px 8px}
  .sc-detail{min-height:0}
}

/* ---------- r4 · 微信咨询弹窗 ---------- */
.modal.modal-wxc{background:rgba(22,24,52,.26);backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3)}
.modal-card.wxc{width:340px;max-width:calc(100vw - 32px);padding:30px 26px 22px;border-radius:24px;text-align:center;box-shadow:0 30px 70px -28px rgba(16,20,60,.45),0 0 0 1px rgba(16,20,60,.04)}
.wxc .modal-x{right:12px;top:12px;width:32px;height:32px}
.wxc-head{display:flex;flex-direction:column;align-items:center}
.wxc-ico{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#e9f9f0;color:#16a06a;margin-bottom:12px}
.wxc-ico svg{width:21px;height:21px}
.wxc-head h3{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.wxc-head p{margin-top:5px;font-size:13px;color:var(--muted)}
.wxc-qr{width:220px;height:220px;margin:20px auto 0;padding:10px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:0 10px 24px -18px rgba(16,20,60,.35)}
.wxc-qr img{display:block;width:198px;height:198px;object-fit:contain}
.wxc-scan{margin-top:10px;font-size:12px;color:var(--soft)}
.wxc-tel{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line2);font-size:13px;color:var(--soft);white-space:nowrap}
.wxc-tel a{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.wxc-tel .btn{height:30px;padding:0 12px;font-size:12.5px}
@media (max-width:380px){.wxc-qr{width:200px;height:200px}.wxc-qr img{width:178px;height:178px}.wxc-tel{gap:7px}.wxc-tel a{font-size:15px}}

/* ---------- r4 · 页脚 / 联系区二维码统一 ---------- */
.qr.qr-img{width:120px;height:120px;padding:7px;border-radius:12px;border:1px solid var(--line);background:#fff}
.qr.qr-img img{width:104px;height:104px}
.foot-qr .qr.qr-img{width:112px;height:112px;border-color:transparent}
.foot-qr .qr.qr-img img{width:98px;height:98px}
/* r4 微调 */
.sc-tabbar{max-width:500px}
.wxc-qr{padding:5px}.wxc-qr img{width:208px;height:208px}
.qr.qr-img{padding:4px}.qr.qr-img img{width:110px;height:110px}
.foot-qr .qr.qr-img img{width:102px;height:102px}
@media (max-width:380px){.wxc-qr img{width:188px;height:188px}}
@media (max-width:760px){.sc-tabbar{max-width:none}}

/* 官网发布：下拉导航、申请反馈与窄屏收尾 */
.nav:has(.nav-item.expanded){background:rgba(255,255,255,.98);border-color:var(--line)}
.nav-item{display:flex;align-items:center;align-self:stretch;gap:0}
.nav-item>a{padding-right:2px}
.nav-toggle{display:grid;place-items:center;width:16px;height:32px;color:var(--muted);border-radius:6px}
.nav-toggle svg{width:12px;height:12px;transition:transform .2s}
.nav-item.expanded .nav-toggle svg{transform:rotate(180deg)}
.nav-toggle:focus-visible,.nav-drop a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.nav-drop{position:absolute;top:63px;left:50%;transform:translateX(-50%);width:min(1000px,calc(100vw - 64px));padding:22px 26px 26px;border:1px solid var(--line);border-radius:0 0 20px 20px;background:#fff;box-shadow:0 30px 60px -30px rgba(31,36,87,.35);z-index:50}
.nav-drop[hidden]{display:none}
.nav-drop-head{display:flex;align-items:center;justify-content:space-between;padding:0 8px 16px;border-bottom:1px solid var(--line);margin-bottom:12px;font-size:13px;color:var(--muted)}
.nav-drop-head a{display:flex;align-items:center;gap:6px;font-size:12px!important;padding:0!important;color:var(--accent)}
.nav-drop-head svg{width:13px;height:13px}
.nav-drop-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.nav-drop-partner{width:min(800px,calc(100vw - 64px))}
.nav-drop-products .nav-drop-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
.nav-drop-partner .nav-drop-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.nav-links .nav-drop-card{display:flex;align-items:flex-start;gap:10px;padding:16px 10px;border-radius:12px;min-width:0;transition:background .2s}
.nav-links .nav-drop-card:hover{background:var(--acc-soft)}
.nav-drop-icon{display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:9px;background:var(--acc-soft);color:var(--accent)}
.nav-drop-icon svg{width:18px;height:18px}
.nav-drop-card b{display:block;font-size:14px;font-weight:600;color:var(--ink);white-space:normal}
.nav-drop-card small{display:block;font-size:11px;line-height:1.6;margin-top:3px;color:var(--muted);white-space:normal}
.modal-open{overflow:hidden}
.lead-consent{display:flex!important;gap:8px;align-items:flex-start;margin:16px 0;font-size:12px;line-height:1.7;color:var(--muted)}
.lead-consent input{margin:4px 0 0;accent-color:var(--accent);flex:none}
.lead-consent a{color:var(--accent);text-decoration:underline}
.lead-consent.err{color:var(--red)}
.lead-trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-error{font-size:13px;color:#b82a36;background:#fff1f2;padding:10px 12px;border-radius:8px;margin:12px 0}
.form-error[hidden]{display:none}
.lead-receipt{font-variant-numeric:tabular-nums;font-size:13px!important;color:var(--accent)!important;overflow-wrap:anywhere}
.lead-form button:disabled{opacity:.65;cursor:wait}
@media(max-width:960px){
 .nav-links{max-height:calc(100dvh - 134px);overflow-y:auto}
 .nav-item{flex-wrap:wrap;align-self:auto;column-gap:2px}.nav-item>a{flex:0 0 auto;padding-right:0}.nav-toggle{width:32px;height:48px}
 .nav-drop,.nav-drop-partner{position:static;transform:none;width:100%;padding:10px 8px 14px;border:0;border-radius:12px;background:#f7f7fd;box-shadow:none;margin-bottom:8px;flex-basis:100%}
 .nav-drop-head{padding:0 8px 10px;margin-bottom:6px}
 .nav-drop-grid,.nav-drop-products .nav-drop-grid,.nav-drop-partner .nav-drop-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}
 .nav-links .nav-drop-card{padding:12px 8px;font-size:13px}.nav-drop-card b{font-size:12px}.nav-drop-card small{font-size:10px}.nav-drop-icon{width:28px;height:28px}
}
@media(max-width:360px){.sc-tabbar{gap:3px}.tab-diy{padding-left:8px;padding-right:8px}.scene-copy{min-width:0}.sc-tabbar{min-width:0;width:100%}.pd-stage{max-width:100%}.scene-phone::before{max-width:100%}}

.product-anchor{display:block;height:0;scroll-margin-top:164px}

/* Product marks supplied for the five-product family. */
.product-logo{display:block;object-fit:contain;flex:none}
.prod-ico:has(.product-logo),.nav-drop-icon:has(.product-logo){background:none;box-shadow:none}
.prod-ico .product-logo{width:56px;height:56px}
.nav-drop-icon .product-logo{width:34px;height:34px}
.side-brand>.product-logo{width:24px;height:24px}
.hub-core>.product-logo{width:42px;height:42px}
.robot>span:has(.product-logo){background:none}
.robot>span>.product-logo{width:36px;height:36px}
.wx-row>.product-logo{width:28px;height:28px;border-radius:6px}

/* Company story, research and team. */
.about-section{scroll-margin-top:130px}
.company-overview{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:72px}
.company-overview .eyebrow{font-size:12px;color:var(--accent)!important;margin-bottom:14px}
.company-overview h2{font-size:34px;line-height:1.45;letter-spacing:-.025em}
.company-facts{padding:32px;border:1px solid #e4e4fb;border-radius:24px;background:linear-gradient(145deg,#f8f7ff,#f1f6ff)}
.company-figures{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
.company-figures>div{padding:26px 12px}
.company-figures>div:nth-child(odd){border-right:1px solid #dfe2f4}
.company-figures>div:nth-child(-n+2){border-bottom:1px solid #dfe2f4}
.company-figures b{display:block;font-size:48px;line-height:1.2;letter-spacing:-.04em;font-weight:650;color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap}
.company-figures b span{font-size:14px;letter-spacing:0;margin-left:6px;font-weight:500}
.company-figures p{margin-top:10px;font-size:13px;color:var(--ink2)}
.company-data-note{font-size:11px!important;color:var(--muted)!important;text-align:center;margin-top:20px}
.company-honors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.company-honors article{border:1px solid var(--line);padding:28px;border-radius:18px;background:#fff}
.company-honors article>span{display:grid;place-items:center;width:40px;height:40px;color:var(--accent);background:var(--acc-soft);border-radius:12px;margin-bottom:18px}
.company-honors svg{width:21px;height:21px}
.company-honors h3{font-size:16px!important;line-height:1.5}
.company-honors p{font-size:13px!important;margin-top:8px}
.company-journey{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.company-journey li{border-top:2px solid #dedffc;padding-top:22px}
.company-journey b{font-size:32px;line-height:1.2;color:var(--accent);font-variant-numeric:tabular-nums}
.company-journey h3{font-size:18px!important;margin-top:18px}
.company-journey p{margin-top:10px;font-size:14px!important}
.about-products{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.about-products>a{padding:26px 20px;border:1px solid var(--line);border-radius:20px;background:#fff;transition:transform .25s,box-shadow .25s}
.about-products>a:hover{transform:translateY(-3px);box-shadow:0 20px 40px -25px rgba(56,60,140,.3)}
.about-products .product-logo{width:54px;height:54px;margin-bottom:20px}
.about-products h3{font-size:17px!important;white-space:nowrap}
.about-products p{font-size:12px!important;line-height:1.8;margin-top:10px;min-height:64px}
.about-products>a>svg{width:17px;height:17px;color:var(--accent);margin-top:16px}
.company-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-top:42px}
.company-principles article{border-top:1px solid #dedffc;padding-top:22px}
.company-principles b{font-size:12px;color:var(--accent)}
.company-principles h3{font-size:16px!important;margin-top:8px}
.company-principles p{font-size:13px!important;margin-top:8px}
.company-team{margin:0;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--paper)}
.company-team img{display:block;width:100%;height:auto;background:#f5f5fa}
.company-team figcaption{text-align:center;padding:12px 20px;font-size:12px;color:var(--muted);background:#fff}
@media(max-width:1100px){.company-overview{gap:36px}.company-facts{padding:22px}.company-figures b{font-size:40px}.about-products{gap:10px}.about-products>a{padding:22px 14px}.about-products h3{font-size:15px!important}}
@media(max-width:960px){.company-overview{grid-template-columns:1fr;gap:30px}.company-facts{max-width:640px;width:100%}.company-honors{grid-template-columns:repeat(2,minmax(0,1fr))}.about-products{grid-template-columns:repeat(3,minmax(0,1fr))}.nav-drop-icon .product-logo{width:28px;height:28px}}
@media(max-width:600px){.company-overview h2{font-size:27px}.company-overview .about-copy p{font-size:15px}.company-facts{padding:18px}.company-figures>div{padding:20px 10px}.company-figures b{font-size:clamp(30px,9vw,40px)}.company-honors{grid-template-columns:1fr;gap:12px}.company-honors article{padding:24px}.company-journey{grid-template-columns:1fr;gap:26px}.company-journey li{padding-top:18px}.company-journey h3{margin-top:10px}.about-products{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.about-products>a{padding:22px 16px}.about-products h3{font-size:15px!important}.about-products .product-logo{width:48px;height:48px}.company-principles{grid-template-columns:1fr;gap:22px;margin-top:30px}.company-team{border-radius:18px}.company-team figcaption{font-size:11px;padding:10px 12px}}