/* ============ 设计 token ============ */
:root{
  --brand:#0052d9; --brand-2:#3d7bff; --brand-d:#0047c4; --brand-dd:#003aa8;
  --brand-soft:#E8EFFF; --brand-line:#C9D8F8;
  --bg:#F5FAFF; --bg-2:#EAF4FF; --white:#fff;
  --ink:#16283A; --ink-2:#46586A; --ink-3:#7C8DA0; --line:#E4EEF8;
  --ok:#12B76A;
  --r:16px; --r-sm:12px;
  --shadow:0 6px 24px rgba(0,60,150,.08);
  --shadow-lg:0 18px 48px rgba(0,60,150,.14);
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{width:min(1320px,92%);margin:0 auto}
section{position:relative;padding:72px 0}
.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:14px;letter-spacing:.08em}
.kicker::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-title{font-size:30px;font-weight:800;letter-spacing:.01em;margin:10px 0 8px;color:var(--ink)}
.sec-sub{color:var(--ink-3);font-size:15px;max-width:640px}
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.on{opacity:1;transform:none}
/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;transition:all .25s var(--ease);white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 22px rgba(0,82,217,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,82,217,.42)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand-line)}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-light{background:#fff;color:var(--brand-dd)}
.btn .arrow{transition:transform .25s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
/* ============ 顶部导航 ============ */
.header{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .3s var(--ease);background:transparent}
.header.scrolled{background:rgba(255,255,255,.86);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;gap:28px;height:68px;width:100%;max-width:none;padding:0 36px;box-sizing:border-box;margin:0}
@media (max-width:768px){.nav{padding:0 18px;gap:16px}}
.logo{display:flex;align-items:center;gap:10px}
.logo-img{height:34px;width:auto;display:block}
.nav-menu{display:flex;gap:6px;margin-left:8px;flex:1}
.nav-item{position:relative}
.nav-item>a{display:flex;align-items:center;gap:5px;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-2);transition:color .2s}
.nav-item>a:hover,.nav-item.open>a{color:var(--brand)}
.nav-item .caret{width:9px;height:9px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.drop{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(8px);min-width:200px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transition:all .25s var(--ease)}
.nav-item:hover .drop,.nav-item.open .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop a{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:10px;font-size:14.5px}
.drop a b{font-weight:600;color:var(--ink)}
.drop a .dico{width:18px;height:18px;color:var(--brand);flex-shrink:0}
.drop a:hover{background:var(--brand-soft)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-login{font-size:15px;color:var(--ink-2);font-weight:500;padding:8px 14px}
.nav-login:hover{color:var(--brand)}
.nav-cta{padding:10px 22px;font-size:14.5px}
.burger{display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:all .3s}
/* ============ Hero ============ */
.hero{padding:136px 0 56px;overflow:hidden;background:linear-gradient(180deg,#DCE7FF 0%,#E7F0FF 55%,#fff 100%)}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-dots{position:absolute;inset:0;background-image:radial-gradient(circle,#C6D6F5 1.2px,transparent 1.6px);background-size:26px 26px;opacity:.5;mask-image:linear-gradient(180deg,#000,transparent 75%)}
.glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.glow-a{width:420px;height:420px;background:#C7DCFF;top:-120px;right:-60px}
.glow-b{width:300px;height:300px;background:#E6EEFF;bottom:-80px;left:-80px;opacity:.6}
.beam{position:absolute;top:0;left:0;width:45%;height:100%;background:linear-gradient(105deg,transparent 20%,rgba(255,255,255,.65) 50%,transparent 80%);transform:translateX(-120%);animation:sweep 7s ease-in-out infinite;pointer-events:none}
@keyframes sweep{0%{transform:translateX(-120%)}55%{transform:translateX(320%)}100%{transform:translateX(320%)}}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative}
.hero-copy{display:flex;flex-direction:column;min-height:380px}
.product-switch{display:flex;flex-wrap:wrap;gap:12px 16px;margin-top:auto;padding-top:56px}
.pill{padding:4px 0 0;font-size:15px;font-weight:500;color:var(--ink-2);background:none;border:none;position:relative;transition:color .2s;display:inline-flex;flex-direction:column;gap:8px;align-items:flex-start;cursor:pointer}
.pill:hover{color:var(--brand)}
.pill.active{color:var(--brand)}
.pill .pbar{width:100%;height:2px;border-radius:2px;background:rgba(0,82,217,.12);overflow:hidden}
.pill .pbar i{display:block;height:100%;width:0;background:var(--brand);border-radius:2px}
.pill.active .pbar i{animation:pbarFill 5s linear forwards}
@keyframes pbarFill{from{width:0}to{width:100%}}
.promo-banner{display:inline-flex;align-items:center;gap:9px;width:fit-content;background:var(--brand-soft);color:var(--ink-2);padding:9px 16px;border-radius:999px;margin:18px 0 20px;font-size:14px}
.promo-banner svg{width:16px;height:16px;color:var(--brand);flex-shrink:0}
.promo-link{color:var(--brand);font-weight:600;white-space:nowrap;display:inline-flex;gap:4px;margin-left:4px}
.promo-link:hover{text-decoration:underline}
.hero h1{font-size:42px;line-height:1.38;font-weight:800;letter-spacing:.01em;margin-bottom:18px}
.hero h1 .hl{background:linear-gradient(120deg,var(--brand),#6f9bff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:16.5px;color:var(--ink-2);max-width:520px;margin-bottom:24px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2)}
.chip svg{width:15px;height:15px;color:var(--brand)}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:6px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hstat b{font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;display:block;line-height:1.2}
.hstat span{font-size:13.5px;color:var(--ink-3)}
/* hero 右侧手机 */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:520px}
.phone{width:264px;background:#101826;border-radius:42px;padding:8px;position:relative;animation:floatY 6s ease-in-out infinite;box-shadow:0 30px 54px rgba(0,60,150,.26),0 4px 14px rgba(0,60,150,.12)}
.p-screen{background:#F6F9FF;border-radius:33px;padding:11px 13px 13px;min-height:496px;display:flex;flex-direction:column}
.p-statusbar{display:flex;justify-content:space-between;align-items:center;padding:4px 6px 10px;font-size:12.5px;font-weight:700;color:#16283A}
.p-icons{display:flex;align-items:center;gap:5px;color:#16283A}
.p-head{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:12px}
.brand-avatar{width:38px;height:38px;border-radius:50%;background:#fff;border:1px solid var(--brand-line);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;background-image:url('/assets/redesign/logo-s.jpg');background-size:92%;background-position:center;background-repeat:no-repeat;color:transparent}
.p-head b{font-size:14.5px;display:flex;align-items:center;gap:5px}
.verify{color:var(--brand);width:15px;height:15px}
.p-head small{display:block;font-size:12px;color:var(--ink-3);font-weight:400;margin-top:2px}
#heroPhone.voice-mode .p-head{display:none}
#heroPhone.voice-mode .p-screen{background:#2E333B}
#heroPhone.voice-mode .p-statusbar,#heroPhone.voice-mode .p-icons{color:#fff}
#phoneMsgs{flex:1}
.msg{background:#fff;border:1px solid #E9EFF6;border-radius:14px;padding:13px 14px;font-size:13.5px;color:var(--ink-2);margin-bottom:10px;box-shadow:0 2px 8px rgba(0,60,150,.06);animation:msgIn .45s var(--ease)}
.msg .sign{color:var(--brand-dd);font-weight:600}
.mms-msg{padding:12px}
.mms-thumb{position:relative;height:118px;border-radius:12px;background-size:cover;background-position:center;margin-bottom:10px;overflow:hidden}
.mms-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.mms-play svg{width:18px;height:18px;color:var(--brand);margin-left:2px}
.mms-text{font-size:12.5px;line-height:1.7;color:var(--ink-2)}
.p-home{width:110px;height:4px;background:#C9D5E4;border-radius:99px;margin:12px auto 2px}
.p-shadow{position:absolute;bottom:6px;left:50%;transform:translateX(-50%);width:230px;height:26px;background:radial-gradient(ellipse,rgba(0,60,150,.22),transparent 70%);filter:blur(4px);z-index:-1}
.hero-chips-float{position:absolute;inset:0;z-index:3;pointer-events:none}
.hero-chip{position:absolute;display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:9px 15px;font-size:13px;font-weight:600;color:var(--ink-2);box-shadow:var(--shadow);white-space:nowrap;animation:chipIn .45s var(--ease),floatY 5s ease-in-out .55s infinite}
.hero-chip svg{width:16px;height:16px;color:var(--brand)}
.hero-chip.pos-a{top:9%;left:4%}
.hero-chip.pos-b{bottom:20%;right:4%;animation-delay:0s,1.4s}
.hero-chip.pos-c{top:48%;right:0;animation-delay:0s,2.8s}
.hero-chip.pos-d{top:12%;right:3%;animation-delay:0s,.9s}
.hero-chip.pos-e{bottom:18%;left:3%;animation-delay:0s,2s}
.hero-chip.pos-f{top:44%;left:-1%;animation-delay:0s,3.2s}
@keyframes chipIn{from{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:none}}
@keyframes msgIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ===== 语音通知：来电 → 接通播报 ===== */
.call-ui{display:flex;flex-direction:column;align-items:center;justify-content:space-between;min-height:360px;padding:22px 4px 6px;background:#2E333B;border-radius:22px}
.call-top{display:flex;flex-direction:column;align-items:center;gap:12px}
.call-avatar{position:relative;width:66px;height:66px;border-radius:50%;background:#fff;border:1px solid rgba(255,255,255,.35);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px rgba(0,0,0,.25);overflow:hidden;background-image:url('/assets/redesign/logo-s.jpg');background-size:86%;background-position:center;background-repeat:no-repeat;color:transparent}
.call-avatar .cw{position:absolute;inset:0;border-radius:50%;border:2px solid rgba(255,255,255,.5);opacity:0}
.call-ui.ring .call-avatar .cw{animation:cwRing 1.8s ease-out infinite}
.call-ui.ring .call-avatar .cw.cw2{animation-delay:.9s}
@keyframes cwRing{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.9);opacity:0}}
.call-name{font-size:16px;font-weight:700;color:#fff}
.call-status{font-size:13px;color:rgba(255,255,255,.72);min-height:18px;transition:opacity .3s}
.call-wave{display:flex;align-items:center;gap:4px;height:34px;opacity:0;transition:opacity .3s}
.call-ui.connected .call-wave{opacity:1}
.call-wave i{width:4px;border-radius:3px;background:linear-gradient(180deg,var(--brand-2),var(--brand));animation:eqBar 1s ease-in-out infinite}
.call-wave i:nth-child(1){height:12px;animation-delay:0s}
.call-wave i:nth-child(2){height:22px;animation-delay:.12s}
.call-wave i:nth-child(3){height:30px;animation-delay:.24s}
.call-wave i:nth-child(4){height:20px;animation-delay:.36s}
.call-wave i:nth-child(5){height:13px;animation-delay:.48s}
@keyframes eqBar{0%,100%{transform:scaleY(.45)}50%{transform:scaleY(1)}}
.call-transcript{width:100%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:13px 14px;font-size:13.5px;color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.12);opacity:0;transform:translateY(8px);transition:all .4s var(--ease)}
.call-ui.connected .call-transcript{opacity:1;transform:none}
.call-transcript b{color:#fff;font-weight:600}
.call-actions{display:flex;align-items:center;gap:44px;margin-top:18px}
.call-btn{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s}
.call-btn svg{width:24px;height:24px;color:#fff}
.call-btn.answer{background:linear-gradient(135deg,#16a34a,#22c55e);box-shadow:0 10px 20px rgba(22,163,74,.32)}
.call-ui.ring .call-btn.answer{animation:answerPulse 1.6s ease-in-out infinite}
@keyframes answerPulse{0%,100%{box-shadow:0 10px 20px rgba(22,163,74,.32)}50%{box-shadow:0 10px 20px rgba(22,163,74,.32),0 0 0 10px rgba(34,197,94,.18)}}
.call-btn.hangup{background:linear-gradient(135deg,#ef4444,#f87171);box-shadow:0 10px 20px rgba(239,68,68,.3)}
.call-btn:active{transform:scale(.94)}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
/* ============ 快捷入口 ============ */
.quick{background:#fff;padding:18px 0;border-bottom:1px solid #EEF2F7}
.quick-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1.45fr;align-items:center}
.qcard{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 22px;border-right:1px solid #EEF2F7}
.qcard:last-child{border-right:none;background:none;border-radius:0}
.qcard:last-child::before{display:none}
.qtxt b{font-size:16px;font-weight:700;white-space:nowrap}
.qtxt span{font-size:13px;color:var(--ink-3);display:block;margin-top:4px;white-space:nowrap}
.qgo{color:#C3CFDC;font-size:20px;line-height:1;flex-shrink:0;transition:color .2s,transform .2s}
.qcard:hover .qgo{color:var(--brand);transform:translateX(3px)}
.qcard.cta{justify-content:flex-start;gap:14px;flex-wrap:nowrap}
.qc-icon{width:44px;height:44px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.qc-icon img{width:44px;height:44px;object-fit:contain}
.qbtn{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;font-size:13.5px;font-weight:600;padding:9px 18px;border-radius:99px;transition:background .25s;flex-shrink:0}
.qbtn svg{width:15px;height:15px;transition:transform .25s}
.qcard.cta:hover .qbtn{background:var(--brand-d)}
.qcard.cta:hover .qbtn svg{transform:translateX(3px)}
/* ============ 产品入口 ============ */
.products{background:#fff;position:relative;overflow:hidden}
.prod-head{position:relative;text-align:center;margin-bottom:36px}
.prod-head::before{content:"";position:absolute;left:-30px;top:-34px;width:200px;height:130px;background-image:radial-gradient(circle,#9DBEF5 1.4px,transparent 1.9px);background-size:16px 16px;opacity:.55;-webkit-mask-image:linear-gradient(135deg,#000 0%,transparent 78%);mask-image:linear-gradient(135deg,#000 0%,transparent 78%);pointer-events:none}
.split{display:grid;grid-template-columns:480px minmax(0,1fr);gap:36px;align-items:stretch}
.sign-panel{background:linear-gradient(160deg,#EFF3FF,#E6EEFF);border:1px solid var(--brand-line);border-radius:22px;padding:28px;display:flex;flex-direction:column;position:relative;overflow:hidden}
.sign-panel::after{content:"";position:absolute;right:-70px;top:-70px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(0,82,217,.16),transparent 70%)}
.sign-panel h3{font-size:21px;font-weight:800;margin:4px 0 6px;position:relative;z-index:1}
.sign-panel .sub{color:var(--ink-3);font-size:14px;margin-bottom:18px;position:relative;z-index:1}
.sign-phone{width:232px;margin:0 auto;background:#101826;border-radius:36px;padding:8px;box-shadow:0 24px 44px rgba(0,60,150,.22);position:relative;z-index:1}
.sp-stage{background:#F6F9FF;border-radius:29px;min-height:386px;position:relative;overflow:hidden;padding:14px 13px}
.sp-status{display:flex;justify-content:space-between;font-size:11.5px;font-weight:700;color:#16283A;margin-bottom:8px}
.sp-slip{position:absolute;left:13px;right:13px;top:38px;bottom:12px;opacity:0;animation:spShow 9s infinite}
.sp-slip.d2{animation-delay:3s}
.sp-slip.d3{animation-delay:6s}
@keyframes spShow{0%{opacity:0;transform:translateY(8px)}4%{opacity:1;transform:none}30%{opacity:1}34%,100%{opacity:0;transform:translateY(-6px)}}
.sp-avatar{width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid var(--brand-line);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;font-size:15px;overflow:hidden;background-image:url('/assets/redesign/logo-s.jpg');background-size:92%;background-position:center;background-repeat:no-repeat;color:transparent}
.sp-avatar.alt{background:#C7D3E6;color:#5A6B80;background-image:none}
.sp-badge.alt{background:#EEF2F7;color:#5A6B80}
.sp-lock-time{font-size:34px;font-weight:800;color:#16283A;text-align:center;margin:16px 0 18px}
.sp-notice{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid #E9EFF6;border-radius:16px;padding:11px 12px;box-shadow:0 4px 14px rgba(0,60,150,.08)}
.sp-notice b{font-size:13.5px;display:block}
.sp-notice p{font-size:11.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}
.sp-list-head{font-size:13px;font-weight:700;color:#16283A;margin-bottom:10px}
.sp-row{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid #E9EFF6;border-radius:14px;padding:10px 11px;margin-bottom:8px}
.sp-row b{font-size:13.5px;display:flex;align-items:center;gap:5px}
.sp-row p{font-size:11.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:118px}
.sp-row time{margin-left:auto;font-size:11px;color:var(--ink-3)}
.sp-badge{font-size:10px;color:var(--brand);background:var(--brand-soft);border-radius:99px;padding:2px 7px;font-weight:600}
.sp-detail-head{display:flex;gap:9px;align-items:center;margin-bottom:12px}
.sp-detail-head b{font-size:13.5px;display:flex;align-items:center;gap:5px}
.sp-bubble{background:#fff;border:1px solid #E9EFF6;border-radius:14px;padding:12px 13px;font-size:12.5px;color:var(--ink-2);box-shadow:0 2px 8px rgba(0,60,150,.06)}
.sp-bubble .sign{color:var(--brand-dd);font-weight:600}
.sp-brand-chip{margin-top:10px;display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);color:var(--brand-dd);border-radius:10px;padding:8px 11px;font-size:12px;font-weight:600}
.sign-phone-wrap{position:relative;z-index:1;width:232px;height:386px;margin:0 auto}
.float-chip{position:absolute;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--brand-line);border-radius:13px;padding:9px 11px;font-size:12px;font-weight:600;color:var(--ink-2);box-shadow:0 10px 24px rgba(0,60,150,.13);white-space:nowrap;opacity:0;z-index:3;animation:spTagL 9s infinite}
.float-chip .fc-ic{width:24px;height:24px;border-radius:8px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.float-chip svg{width:13px;height:13px;color:var(--brand);flex-shrink:0}
.float-chip::after{content:"";position:absolute;top:50%;width:20px;height:1.5px;background:linear-gradient(90deg,transparent,var(--brand-line))}
.fc1{top:16%;left:-122px}
.fc1::after{right:-20px}
.fc2{top:50%;right:-122px;animation-name:spTagR}
.fc2::after{left:-20px;background:linear-gradient(270deg,transparent,var(--brand-line))}
.fc3{bottom:16%;left:-122px}
.fc3::after{right:-20px}
.float-chip.d2{animation-delay:3s}
.float-chip.d3{animation-delay:6s}
@keyframes spTagL{0%{opacity:0;transform:translateX(-14px)}5%{opacity:1;transform:none}30%{opacity:1;transform:none}35%,100%{opacity:0;transform:translateX(-10px)}}
@keyframes spTagR{0%{opacity:0;transform:translateX(14px)}5%{opacity:1;transform:none}30%{opacity:1;transform:none}35%,100%{opacity:0;transform:translateX(10px)}}
@media (prefers-reduced-motion:reduce){
  .sp-slip{animation:none;opacity:0}
  .sp-slip.d1{opacity:1}
  .float-chip{animation:none;opacity:0}
  .float-chip.d1{opacity:1}
}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:all .28s var(--ease);position:relative;overflow:hidden}
.pcard::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .3s var(--ease)}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-line)}
.pcard:hover::before{width:100%}
.picon{width:50px;height:50px;border-radius:14px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.picon svg{width:26px;height:26px;color:var(--brand)}
.pcard h4{font-size:17px;font-weight:700;margin-bottom:6px}
.pcard p{font-size:13.5px;color:var(--ink-3);margin-bottom:12px}
.ptags{display:flex;flex-wrap:wrap;gap:6px}
.ptag{font-size:12px;color:var(--brand-dd);background:var(--brand-soft);padding:4px 10px;border-radius:99px}
.pcard .more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--brand);font-weight:600;margin-top:12px}
.pcard .more svg{transition:transform .25s}
.pcard:hover .more svg{transform:translateX(4px)}
/* ============ 解决方案 ============ */
.solutions{background:var(--bg)}
.sol-tabs{display:flex;gap:32px;flex-wrap:wrap;margin:28px 0 0;border-bottom:1px solid var(--line)}
.sol-tab{display:inline-flex;align-items:center;gap:8px;padding:13px 4px;border-radius:0;font-size:14.5px;font-weight:500;color:var(--ink-2);background:none;border:none;cursor:pointer;position:relative;transition:color .25s var(--ease)}
.sol-tab svg{width:17px;height:17px;flex-shrink:0}
.sol-tab:hover{color:var(--brand)}
.sol-tab::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transition:transform .25s var(--ease)}
.sol-tab.active{color:var(--brand)}
.sol-tab.active::after{transform:scaleX(1)}
.sol-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:var(--shadow);margin-top:28px}
.sol-item{display:none;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center}
.sol-item.active{display:grid;animation:msgIn .4s var(--ease)}
.sol-img{border-radius:16px;overflow:hidden;position:relative;min-height:360px}
.sol-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:opacity .4s var(--ease)}
.sol-img .tag{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.92);color:var(--brand-dd);font-size:13.5px;font-weight:600;padding:8px 14px;border-radius:99px;backdrop-filter:blur(4px)}
.sol-body h3{font-size:22px;font-weight:800;margin-bottom:12px}
.sol-body .lead{color:var(--ink-3);font-size:14.5px;line-height:1.9;margin-bottom:24px}
.sol-adv{display:flex;flex-direction:column;gap:14px;margin-bottom:28px;list-style:none}
.sol-adv li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.sol-adv .ck{width:18px;height:18px;border-radius:50%;background:var(--brand-soft);color:var(--brand);flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-top:1px}
.sol-adv .ck svg{width:11px;height:11px}
.sol-prods{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.sol-prods a{font-size:13px;padding:7px 14px;border-radius:99px;background:var(--brand-soft);color:var(--brand-dd);font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:all .25s var(--ease)}
.sol-prods a:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.sol-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.sol-cta{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;padding:11px 22px;border-radius:99px;transition:background .25s}
.sol-cta:hover{background:var(--brand-d)}
.sol-more{font-size:14px;color:var(--ink-2);display:inline-flex;align-items:center;gap:5px;transition:color .2s}
.sol-more:hover{color:var(--brand)}
/* ============ 发送方式 ============ */
.send{background:#fff}
.seg{display:flex;justify-content:center;gap:36px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin:24px auto 30px}
.seg button{display:inline-flex;align-items:center;gap:8px;padding:13px 4px;background:none;border:none;border-radius:0;font-size:14.5px;font-weight:500;color:var(--ink-2);cursor:pointer;position:relative;transition:color .25s var(--ease)}
.seg button svg{width:17px;height:17px;flex-shrink:0}
.seg button:hover{color:var(--brand)}
.seg button::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transition:transform .25s var(--ease)}
.seg button.active{color:var(--brand)}
.seg button.active::after{transform:scaleX(1)}
.send-pane{display:none;animation:msgIn .4s var(--ease)}
.send-pane.active{display:grid}
.api-pane{grid-template-columns:1.2fr .8fr;gap:32px;align-items:start}
.code-card{background:#0E2233;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg)}
.code-bar{display:flex;align-items:center;flex-wrap:wrap;row-gap:8px;gap:8px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.code-bar .dot{width:10px;height:10px;border-radius:50%}
.lang-tabs{display:flex;flex-wrap:wrap;gap:4px;margin-left:auto;align-items:center;justify-content:flex-end}
.lang-tabs button{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:#9FB8CC;padding:5px 9px;border-radius:8px;transition:all .2s;white-space:nowrap}
.lang-tabs button svg{width:15px;height:15px;flex-shrink:0}
.lang-tabs button.active{background:rgba(0,82,217,.22);color:#7CC8FF}
.code-card pre{padding:18px;font-family:Consolas,"SF Mono",Menlo,monospace;font-size:13px;line-height:1.7;color:#D6E7F5;overflow:hidden;white-space:pre-wrap;word-break:break-word;min-height:320px}
.code-card .cm{color:#6E8DA3}
.code-card .kw{color:#7CC8FF}
.code-card .st{color:#9FE0B8}
.copy-btn{margin-left:10px;background:rgba(255,255,255,.1);color:#C8DCEC;font-size:12.5px;padding:6px 12px;border-radius:8px;transition:all .2s}
.copy-btn:hover{background:rgba(255,255,255,.2)}
.tl{position:relative;display:flex;flex-direction:column;gap:46px;padding:4px 0}
.tl-item{position:relative;padding:0 0 0 54px}
.tl-item::before{content:"";position:absolute;left:18px;top:38px;bottom:-46px;width:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2));border-radius:2px}
.tl-item:last-of-type::before{display:none}
.tl-dot{position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:#fff;border:2px solid var(--brand);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;z-index:1;box-shadow:0 0 0 6px var(--brand-soft)}
.tl-item.done .tl-dot{background:var(--brand);color:#fff}
.tl-item b{font-size:15.5px;display:block;margin-bottom:4px}
.tl-item p{font-size:13.5px;color:var(--ink-3);line-height:1.7}
.tl-cta{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;margin-left:54px;background:var(--brand);color:#fff;padding:11px 20px;border-radius:99px;font-size:14px;font-weight:600;transition:background .25s}
.tl-cta:hover{background:var(--brand-d)}
.tl-cta svg{width:15px;height:15px}
/* 在线群发控制台 */
.web-pane{grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.web-pane > .demo-note{grid-column:1 / -1;margin:0}
.console{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.console-head{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--line);font-weight:700;font-size:15px}
.console-body{padding:20px;display:flex;flex-direction:column;gap:14px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2);display:block;margin-bottom:6px}
.field textarea,.field select,.field input{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 14px;font-size:16px;font-family:inherit;color:var(--ink);background:var(--bg);outline:none;transition:border .2s}
.field textarea:focus,.field select:focus,.field input:focus{border-color:var(--brand)}
.field textarea{resize:vertical;min-height:74px}
#recvInput{resize:none;overflow:hidden;min-height:0;line-height:24px}
.web-right{display:flex;flex-direction:column;gap:14px;align-self:start}
.field-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.field-head label{margin-bottom:0}
.btn-import{font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border:1px solid var(--brand-line);padding:7px 14px;border-radius:99px;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.btn-import:hover{background:var(--brand);color:#fff;border-color:transparent}
.btn-import svg{width:14px;height:14px}
.import-hint{font-size:12.5px;color:#0E9F6E;margin-top:6px;min-height:18px}
.spinner{width:14px;height:14px;border-radius:50%;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;animation:spin .8s linear infinite;display:inline-block;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}
.msg-preview{border:1px dashed var(--brand-line);border-radius:14px;padding:14px;background:linear-gradient(160deg,#EFF3FF,#fff);font-size:13.5px;color:var(--ink-2)}
.msg-preview .sign{color:var(--brand-dd);font-weight:600}
.counter{text-align:right;font-size:12.5px;color:var(--ink-3);margin-top:6px}
.send-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.progress-wrap{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.pbar{height:8px;border-radius:99px;background:var(--bg);overflow:hidden}
.pbar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width 1.2s var(--ease)}
.log-box{background:#0E2233;border-radius:16px;padding:18px;font-family:Consolas,monospace;font-size:12.5px;color:#9FB8CC;min-height:220px;display:flex;flex-direction:column;gap:6px}
.log-line{opacity:0;animation:msgIn .3s forwards}
.log-line.ok{color:#9FE0B8}
.log-line .t{color:#5E7E96;margin-right:8px}
/* 导入弹窗 */
.imp-mask{position:fixed;inset:0;background:rgba(14,34,51,.38);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:300;opacity:0;visibility:hidden;transition:all .25s var(--ease)}
.imp-mask.show{opacity:1;visibility:visible}
.imp-box{background:#fff;border-radius:18px;padding:28px 30px;width:300px;text-align:center;box-shadow:var(--shadow-lg);transform:scale(.94);transition:transform .25s var(--ease)}
.imp-mask.show .imp-box{transform:scale(1)}
.imp-file{width:52px;height:64px;margin:0 auto 14px;background:var(--brand-soft);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--brand)}
.imp-file svg{width:28px;height:28px}
.imp-box h4{font-size:15.5px;color:var(--ink);margin-bottom:6px}
.imp-box p{font-size:13px;color:var(--ink-3)}
.imp-bar{height:6px;background:#EDF2F8;border-radius:99px;margin:16px 0 6px;overflow:hidden}
.imp-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--brand-2));border-radius:99px;transition:width 1.1s linear}
.imp-ok{width:56px;height:56px;margin:0 auto 12px;border-radius:50%;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;color:var(--brand)}
.imp-ok svg{width:30px;height:30px}
/* 发送完成引导 */
.send-guide{display:none;align-items:center;gap:14px;padding:18px 20px;border:1px solid var(--brand-line);background:#fff;border-radius:16px;text-decoration:none;transition:all .25s var(--ease)}
.send-guide.show{display:flex;animation:msgIn .35s}
.send-guide:hover{border-color:var(--brand);box-shadow:0 10px 28px rgba(0,82,217,.12);transform:translateY(-2px)}
.sg-icon{width:44px;height:44px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sg-icon svg{width:22px;height:22px}
.sg-txt{flex:1;min-width:0}
.sg-txt b{display:block;font-size:15px;color:var(--ink);font-weight:700;margin-bottom:3px}
.sg-txt span{font-size:13px;color:var(--ink-3)}
.sg-arrow{width:36px;height:36px;border-radius:50%;background:var(--bg);color:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sg-arrow svg{width:17px;height:17px}
/* ============ 为什么选择 ============ */
.why{background:#f2f5fc}
.why-band{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.why-kicker{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.12em;margin-bottom:12px}
.why-title{font-size:32px;font-weight:800;line-height:1.3;color:var(--ink);margin-bottom:12px}
.why-sub{font-size:14.5px;color:var(--ink-3);line-height:1.8;white-space:nowrap}
.why-stats2{display:grid;grid-template-columns:1fr 1fr;gap:30px 34px;margin-top:38px}
.wstat2 b{font-size:48px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.05;display:flex;align-items:baseline;gap:6px;flex-wrap:nowrap}
.wstat2 b .num{font-variant-numeric:tabular-nums;font-size:48px;line-height:1.05}
.wstat2 b small{font-size:26px;font-weight:700}
.wstat2 .num{font-size:48px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.05}
.wstat2 span{display:block;font-size:14px;color:var(--ink-3);margin-top:8px}
.map-card{position:relative;min-height:460px;background:transparent url("/assets/redesign/network-bg-index.jpg") right center/200% auto no-repeat;-webkit-mask-image:radial-gradient(ellipse 120% 100% at 86% 50%,#000 60%,transparent 96%);mask-image:radial-gradient(ellipse 120% 100% at 86% 50%,#000 60%,transparent 96%)}
@media (max-width:900px){.map-card{min-height:220px;background-position:center}}
.marquee{overflow:hidden;position:relative;margin-top:20px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;align-items:center;gap:22px;width:max-content;animation:mqScroll 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-item{flex:0 0 auto;height:62px;padding:0 26px;background:#fff;border:1px solid #E6EEF9;border-radius:14px;display:flex;align-items:center;justify-content:center;opacity:.72;filter:grayscale(.35);box-shadow:0 2px 10px rgba(0,60,150,.05);transition:opacity .25s,filter .25s,box-shadow .25s,transform .25s}
.marquee-item:hover{opacity:1;filter:grayscale(0);transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,82,217,.12)}
.marquee-item img{height:34px;width:auto;max-width:130px;object-fit:contain;display:block}
@keyframes mqScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.adv-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.acard{background:#F7FAFF;border:1px solid #E6EEF9;border-radius:18px;padding:26px 24px;transition:all .25s;position:relative}
.acard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-line);background:#fff}
.acard .ahead{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.acard .aw{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--brand-soft),#D6E4FF);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.acard .aw svg{width:22px;height:22px;color:var(--brand)}
.acard b{font-size:16.5px;font-weight:700}
.acard p{font-size:13.5px;color:var(--ink-3);line-height:1.7}
.partner-strip{text-align:center;margin-top:44px;padding-top:26px;border-top:1px solid #E4ECF7}
.partner-strip .ps-lead{font-size:14px;color:var(--ink-3);margin-bottom:18px}
.partner-strip .ps-lead b{color:var(--brand);font-weight:700}
.ps-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.ps-tag{font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 16px}
/* ============ 资讯 ============ */
.news{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.ncard{border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:all .28s var(--ease);background:#fff;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--brand-line)}
.nhead{position:relative;height:150px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#EEF4FF 0%,#E3EDFF 100%)}
.nhead svg{position:absolute;inset:0;width:100%;height:100%}
.nhead-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.nhead .flow{fill:none;stroke-linecap:round;stroke-dasharray:260;stroke-dashoffset:260;animation:flowDash 7s linear infinite}
.nhead .flow.f2{animation-delay:1.6s;opacity:.55}
@keyframes flowDash{to{stroke-dashoffset:-260}}
.nhead .chip{width:62px;height:62px;border-radius:18px;background:#fff;box-shadow:0 10px 24px rgba(0,82,217,.16);display:flex;align-items:center;justify-content:center;position:relative;z-index:1;transition:transform .3s var(--ease)}
.ncard:hover .nhead .chip{transform:scale(1.06)}
.nhead .chip svg{position:static;width:28px;height:28px;color:var(--brand)}
.nhead .dot{position:absolute;border-radius:50%;background:var(--brand-2);opacity:.18;animation:glowPulse 3.4s ease-in-out infinite}
@keyframes glowPulse{0%,100%{opacity:.12;transform:scale(1)}50%{opacity:.3;transform:scale(1.25)}}
.ncard .nb{padding:20px;flex:1;display:flex;flex-direction:column}
.ncat{display:inline-flex;align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--brand-dd);background:var(--brand-soft);padding:5px 12px;border-radius:99px;margin-bottom:12px}
.ncard h4{font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:10px;transition:color .2s}
.ncard:hover h4{color:var(--brand)}
.ncard p{font-size:13.5px;color:var(--ink-3);flex:1}
.ncard .more{margin-top:14px;font-size:13.5px;color:var(--brand);font-weight:600;display:inline-flex;gap:6px;align-items:center}
/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;padding:40px 0;color:#fff;background:linear-gradient(118deg,#003aa8 0%,#0052d9 46%,#3d7bff 100%)}
.cta-flow{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.silk{position:absolute;display:block;border-radius:50%}
.silk-a{width:760px;height:170px;top:6%;right:-120px;filter:blur(22px);background:linear-gradient(90deg,transparent,rgba(255,255,255,.32),transparent);transform:rotate(-18deg);animation:silkDrift 11s ease-in-out infinite}
.silk-b{width:820px;height:130px;bottom:4%;left:-160px;filter:blur(26px);background:linear-gradient(90deg,transparent,rgba(190,220,255,.26),transparent);transform:rotate(-14deg);animation:silkDrift 14s ease-in-out infinite reverse}
.silk-c{width:460px;height:360px;top:-120px;right:22%;filter:blur(40px);background:radial-gradient(circle,rgba(255,255,255,.2),transparent 70%);animation:silkPulse 8s ease-in-out infinite}
@keyframes silkDrift{0%,100%{transform:translateX(0) rotate(-18deg)}50%{transform:translateX(-46px) rotate(-14deg)}}
@keyframes silkPulse{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:.9;transform:scale(1.12)}}
.cta-band .beam{animation-duration:7s}
.cta-inner{position:relative;z-index:1;text-align:left}
.cta-inner h2{font-size:32px;font-weight:800;margin-bottom:12px;letter-spacing:.01em}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.9);margin-bottom:22px;max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:14px 28px;margin-bottom:30px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:rgba(255,255,255,.95)}
.cta-points svg{width:20px;height:20px;flex-shrink:0}
.cta-btns{display:flex;gap:16px;flex-wrap:wrap;position:relative}
.cta-inner .btn-light{box-shadow:0 10px 26px rgba(0,0,0,.18)}
.cta-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.cta-ghost:hover{background:rgba(255,255,255,.12)}
/* ============ Footer ============ */
footer{background:#0E2233;color:#B8CBDC}
.foot-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:26px 0 22px;border-bottom:1px solid rgba(255,255,255,.1)}
.fs-item{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:nowrap;white-space:nowrap;height:30px}
.fs-item img{width:30px;height:30px;object-fit:contain;flex-shrink:0;display:block}
.fs-item span{color:#E8F0F8;font-size:14px;line-height:30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:32px;padding:36px 0}
.foot-brand .logo{color:#fff;margin-bottom:14px}
.foot-brand p{font-size:13.5px;color:#8FA9BC;max-width:280px;margin-bottom:16px}
.fhotline{font-size:14px;color:#8FA9BC}
.fhotline b{display:block;font-size:24px;color:#fff;font-weight:800;letter-spacing:.03em;margin:4px 0}
.fcol h5{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.fcol a{display:block;font-size:13.5px;color:#9FB6C7;padding:5px 0;transition:color .2s}
.fcol a:hover{color:#7CC8FF}
.foot-legal{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;font-size:12.5px;color:#7290A4}
.foot-legal a{color:#7290A4;margin:0 8px}
/* toast */
.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);background:#0E2233;color:#fff;padding:14px 22px;border-radius:14px;font-size:14px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all .3s var(--ease);z-index:200;max-width:90vw}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
/* 右侧悬浮圆钮 */
.side-rail{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:150;display:flex;flex-direction:column;align-items:center;gap:14px}
.rail-pill{position:relative;display:flex;flex-direction:column;align-items:center;gap:9px;width:62px;padding:18px 0;border-radius:32px;background:linear-gradient(160deg,var(--brand-2),var(--brand));color:#fff;text-decoration:none;transition:transform .25s}
.rail-pill::before{content:"";position:absolute;inset:-8px;border-radius:38px;z-index:-1}
.rail-pill::after{content:"";position:absolute;inset:-8px;border-radius:38px;border:2px solid rgba(0,82,217,.35);opacity:0;animation:railHalo 2.6s ease-out infinite;pointer-events:none;z-index:-1}
.rail-pill:hover{transform:translateY(-2px)}
.rail-pill svg{width:22px;height:22px}
.rail-pill span{writing-mode:vertical-rl;font-size:13.5px;font-weight:600;letter-spacing:2px}
@keyframes railHalo{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.28);opacity:0}}
.rail-item{position:relative;display:flex;align-items:center;justify-content:center;text-decoration:none}
.rail-mini{width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--brand);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,60,150,.14);transition:transform .25s,box-shadow .25s}
.rail-mini svg{width:22px;height:22px}
.rail-item:hover .rail-mini{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,82,217,.22)}
.rail-pop{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%) translateX(8px);background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 16px;white-space:nowrap;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all .25s var(--ease)}
.rail-item:hover .rail-pop{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.rail-pop b{display:block;font-size:13px;color:var(--ink);margin-bottom:3px}
.rail-pop p{font-size:13.5px;color:var(--brand);font-weight:700}
.rail-pop p span{font-size:11.5px;color:var(--ink-3);font-weight:400}
#toTop{display:none;position:fixed;right:22px;bottom:28px;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--brand);align-items:center;justify-content:center;box-shadow:var(--shadow);z-index:150;cursor:pointer;transition:all .25s}
#toTop:hover{background:var(--brand-soft)}
#toTop.show{display:flex}
#toTop svg{width:20px;height:20px}
/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{min-height:0}
  .quick-grid{grid-template-columns:1fr 1fr}
  .qcard:nth-child(2){border-right:none}
  .qcard:nth-child(1),.qcard:nth-child(2){border-bottom:1px solid #E8EEF5}
  .split{grid-template-columns:1fr}
  .sign-phone-wrap{height:auto}
  .float-chip{position:static;margin:10px auto 0;display:flex;animation:none;opacity:1}
  .float-chip.d2,.float-chip.d3{display:none}
  .float-chip::after{display:none}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .sol-panel{grid-template-columns:1fr}
  .api-pane,.web-pane{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .why-stats{grid-template-columns:1fr 1fr}
  .adv-cards{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  section{padding:52px 0}
  .nav-menu{position:fixed;inset:68px 0 auto 0;background:#fff;flex-direction:column;padding:16px;gap:4px;box-shadow:var(--shadow-lg);display:none;max-height:calc(100vh - 68px);overflow:auto}
  .nav-menu.open{display:flex}
  .nav-item .drop{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;display:none;padding-left:14px}
  .nav-item.open .drop{display:block}
  .burger{display:flex}
  .nav-login{display:none}
  .hero{padding:120px 0 60px}
  .hero h1{font-size:30px}
  .hero-stats{gap:20px}
  .quick-grid{grid-template-columns:1fr}
  .qcard{border-right:none;border-bottom:1px solid #E8EEF5;padding:24px}
  .qcard:last-child{border-bottom:none;padding:26px 24px;border-radius:0}
  .qtxt b,.qtxt span{white-space:normal}
  .hero-chips-float{position:static;display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}
  .hero-chip{position:static;display:inline-flex;margin:0}
  .prod-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .nhead{height:130px}
  .why-band{grid-template-columns:1fr;gap:30px}
  .why-stats2{gap:18px 22px}
  .adv-cards{grid-template-columns:1fr}
  .foot-strip{grid-template-columns:1fr 1fr;row-gap:18px}
  .sol-tabs{gap:18px;row-gap:10px}
  .sol-tab{padding:8px 4px;font-size:13.5px}
  .cta-band{padding:40px 0}
  .cta-inner h2{font-size:24px}
  .cta-points{gap:10px 18px}
  .foot-grid{grid-template-columns:1fr}
  .phone{width:236px}
  .hero-visual{min-height:0}
  .code-bar{flex-wrap:wrap;row-gap:8px}
  .copy-btn{margin-left:0}
  .side-rail{right:12px;gap:12px}
  .side-rail .rail-mini{width:44px;height:44px}
  .side-rail .rail-pill{width:52px;padding:14px 0;border-radius:28px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  .sp-contact,.sp-msg,.sp-badge{opacity:1;transform:none}
  .nhead .flow{stroke-dashoffset:0;opacity:.8}
  .nhead .dot{opacity:.2}
}