:root{
  --bg:#050B1A;--bg2:#081022;--card:#0B1526;
  --blue:#2563EB;--deep:#0F4C9E;--cyan:#22D3EE;--purple:#8B5CF6;
  --text:#E6EDF7;--sub:#94A3B8;--line:rgba(148,163,184,.16);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
@media(max-width:640px){.wrap{padding:0 16px}}

/* ===== 动效基础 ===== */
.reveal,.rv-l,.rv-r,.rv-s{opacity:0;transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal{transform:translateY(26px)}
.rv-l{transform:translateX(-34px)}
.rv-r{transform:translateX(34px)}
.rv-s{transform:scale(.92)}
.reveal.in,.rv-l.in,.rv-r.in,.rv-s.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal,.rv-l,.rv-r,.rv-s{opacity:1!important;transform:none!important;transition:none}}

/* ===== 导航 ===== */
/* header{position:fixed;top:0;left:0;right:0;z-index:100;height:60px;background:rgba(5,11,26,.65);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.18s}
header.scrolled{background:rgba(5,11,26,.92);border-bottom-color:var(--line);box-shadow:0 4px 24px rgba(0,0,0,.35)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px}
.logo .mark{width:30px;height:30px;border-radius:7px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:800}
.logo small{display:block;font-size:10px;font-weight:400;color:var(--sub);letter-spacing:1px}
.menu{display:flex;gap:2px;align-items:center}
.menu a{padding:7px 13px;font-size:14px;color:#cbd5e1;border-radius:7px;transition:.2s}
.menu a:hover{color:#fff;background:rgba(37,99,235,.15)}
.menu a.active{color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan));font-weight:600}
.menu a.cta{background:linear-gradient(135deg,var(--blue),var(--deep));color:#fff;font-weight:600;margin-left:6px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:.18s}
@media(max-width:920px){
  .menu{position:fixed;top:60px;left:0;right:0;flex-direction:column;align-items:stretch;background:rgba(5,11,26,.98);padding:12px 20px;gap:2px;transform:translateY(-140%);transition:.18s;border-bottom:1px solid var(--line)}
  .menu.open{transform:translateY(0)}
  .menu a{padding:12px}
  .menu a.cta{margin-left:0;margin-top:6px;text-align:center}
  .burger{display:flex}
} */

/* ===== Hero ===== */
.hero{position:relative;padding:150px 0 64px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(680px 380px at 80% 15%,rgba(37,99,235,.26),transparent 60%),
  radial-gradient(560px 380px at 8% 85%,rgba(139,92,246,.18),transparent 60%)}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(148,163,184,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.05) 1px,transparent 1px);background-size:42px 42px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 78%)}
.hero-in{position:relative;z-index:2;max-width:820px}
.tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid rgba(34,211,238,.4);border-radius:999px;color:var(--cyan);font-size:12.5px;background:rgba(34,211,238,.08);margin-bottom:20px}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.geo-page h1{font-size:clamp(30px,5vw,50px);line-height:1.16;font-weight:800;letter-spacing:-.5px}
.geo-page h1 .grad{background:linear-gradient(120deg,#fff 20%,var(--cyan) 60%,var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin-top:18px;font-size:clamp(15px,1.8vw,17.5px);color:var(--sub);max-width:700px}
.hero-btns{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:9px;font-size:15px;font-weight:600;transition:.15s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--deep));color:#fff;box-shadow:0 8px 24px rgba(37,99,235,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(37,99,235,.5)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(148,163,184,.4)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.hero-stats{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hstat{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:rgba(11,21,38,.6);transition:.15s}
.hstat:hover{border-color:rgba(34,211,238,.4);transform:translateY(-3px)}
.hstat b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff}
.hstat b em{font-style:normal;color:var(--cyan)}
.hstat span{font-size:12.5px;color:var(--sub);margin-top:2px;display:block}
@media(max-width:760px){.hero-stats{grid-template-columns:repeat(2,1fr)}}

/* ===== 通用 section ===== */
section{padding:60px 0;position:relative}
.sec-tag{color:var(--cyan);font-size:13px;font-weight:600;letter-spacing:2px}
.geo-page h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;margin:10px 0 12px;line-height:1.25}
.sec-sub{color:var(--sub);max-width:720px;font-size:15px}
.center{text-align:center}
.center .sec-sub{margin:0 auto}
.center.sec-head{margin-bottom:36px}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pain{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--card);transition:.18s;position:relative;overflow:hidden}
.pain::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));opacity:0;transition:.18s}
.pain:hover{border-color:rgba(34,211,238,.4);transform:translateY(-4px)}
.pain:hover::before{opacity:1}
.pain .ic{width:42px;height:42px;border-radius:10px;background:rgba(239,68,68,.12);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:#f87171}
.pain h3{font-size:17px;margin-bottom:8px}
.pain p{color:var(--sub);font-size:14px}
.pain .fix{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:13.5px;color:#7dd3fc;line-height:1.6}
@media(max-width:860px){.pain-grid{grid-template-columns:1fr}}

/* 数据条 */
.metrics{background:linear-gradient(135deg,rgba(15,76,158,.18),rgba(34,211,238,.08));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;text-align:center}
.metric b{font-size:clamp(24px,3vw,36px);font-weight:800;color:#fff;display:block}
.metric b em{font-style:normal;color:var(--cyan)}
.metric span{color:var(--sub);font-size:13px}
@media(max-width:860px){.metric-grid{grid-template-columns:repeat(2,1fr);gap:22px 8px}.metric:nth-child(5){grid-column:1/-1}}

.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pcard{border:1px solid var(--line);border-radius:16px;background:var(--card);overflow:hidden;display:flex;flex-direction:column;transition:.18s}
.pcard:hover{border-color:rgba(34,211,238,.4);transform:translateY(-4px)}
.phead{padding:24px 24px 0}
.ptag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;margin-bottom:12px}
.phead h3{font-size:22px;font-weight:800}
.psub{color:var(--sub);font-size:13.5px;margin-top:5px}
.flist{list-style:none;padding:14px 24px;flex:1}
.flist li{padding:11px 0;border-bottom:1px dashed var(--line);display:flex;flex-direction:column;gap:3px}
.flist li:last-child{border-bottom:none}
.flist b{font-size:14.5px;color:#fff}
.flist span{font-size:13.5px;color:var(--sub)}
.pfoot{padding:14px 24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--cyan);background:rgba(37,99,235,.05)}
.pfoot a{color:#fff;font-weight:600}
@media(max-width:860px){.prod-grid{grid-template-columns:1fr}}

.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{padding:22px 16px;border:1px solid var(--line);border-radius:12px;background:var(--card);text-align:center;transition:.18s}
.step:hover{border-color:rgba(34,211,238,.4);transform:translateY(-3px)}
.step .num{display:inline-block;font-size:12px;font-weight:700;color:var(--cyan);letter-spacing:1px;border:1px solid rgba(34,211,238,.35);padding:3px 11px;border-radius:999px;margin-bottom:12px}
.step h4{font-size:15px;margin-bottom:6px}
.step p{font-size:13px;color:var(--sub)}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr}.step:last-child{grid-column:1/-1}}

.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scene{padding:24px 22px;border:1px solid var(--line);border-radius:14px;background:var(--card);transition:.18s}
.scene:hover{border-color:rgba(34,211,238,.4);transform:translateY(-3px)}
.scene .sicon{width:46px;height:46px;border-radius:11px;background:rgba(15,76,158,.18);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.scene h3{font-size:17px;margin-bottom:8px}
.scene p{color:var(--sub);font-size:14px}
.scene p b{color:var(--cyan)}
@media(max-width:860px){.scene-grid{grid-template-columns:1fr}}

.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.case{padding:24px 20px;border:1px solid var(--line);border-radius:12px;background:var(--card);text-align:center;transition:.18s}
.case:hover{border-color:rgba(34,211,238,.4);transform:translateY(-3px)}
.case b{display:block;font-size:30px;font-weight:800;background:linear-gradient(120deg,var(--cyan),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.case h4{font-size:14.5px;margin:8px 0 6px}
.case p{font-size:12.5px;color:var(--sub)}
@media(max-width:860px){.case-grid{grid-template-columns:1fr 1fr}}

.compliance-box{border:1px solid var(--line);border-radius:18px;padding:40px 32px;background:linear-gradient(180deg,rgba(37,99,235,.08),transparent)}
.ok-grid{margin-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.ok,.warn{padding:13px 16px;border-radius:9px;font-size:13.5px}
.ok{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.25);color:#86efac}
.warn{background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.25);color:#fca5a5}
@media(max-width:860px){.ok-grid{grid-template-columns:1fr}.compliance-box{padding:30px 20px}}

.faq{border:1px solid var(--line);border-radius:11px;margin-bottom:10px;background:var(--card);overflow:hidden}
.faq summary{padding:15px 20px;cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;position:relative;padding-right:40px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--cyan);transition:.2s}
.faq[open] summary::after{content:"−"}
.faq p{padding:0 20px 16px;color:var(--sub);font-size:14px}

.cta-box{border-radius:18px;padding:42px 44px;background:linear-gradient(135deg,var(--deep),var(--blue) 60%,#1e40af);display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap;box-shadow:0 16px 48px rgba(37,99,235,.3)}
.cta-box h2{margin:0 0 6px}
.cta-box p{color:#c7d8f5;font-size:14px}
.cta-box .btn{background:#fff;color:var(--blue)}
@media(max-width:760px){.cta-box{padding:30px 22px;text-align:center;justify-content:center}}

/* footer{border-top:1px solid var(--line);padding:44px 0 0;background:var(--bg2)}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:32px;padding-bottom:32px}
.fcol p,.fcol a{display:block;color:var(--sub);font-size:13.5px;margin-bottom:8px}
.fcol a:hover{color:var(--cyan)}
.fcol h5{font-size:14.5px;margin-bottom:14px;color:#fff}
.copy{border-top:1px solid var(--line);padding:18px 22px;text-align:center;color:var(--sub);font-size:12.5px}
@media(max-width:860px){.foot{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot{grid-template-columns:1fr}}

.float-btn{position:fixed;right:22px;bottom:34px;z-index:99;width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--deep));color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;box-shadow:0 4px 20px rgba(37,99,235,.5);animation:floatBtnPulse 2.4s infinite;transition:.15s}
.float-btn:hover{transform:scale(1.08)}
@keyframes floatBtnPulse{0%,100%{box-shadow:0 4px 20px rgba(37,99,235,.5)}50%{box-shadow:0 4px 30px rgba(37,99,235,.85)}} */

/* ===== 科技感增强 ===== */
/* 漂浮光斑 */
.orb{position:absolute;border-radius:50%;filter:blur(70px);z-index:0;pointer-events:none;opacity:.55}
.orb-a{width:420px;height:420px;background:radial-gradient(circle,rgba(37,99,235,.5),transparent 70%);top:-80px;right:-60px;animation:drift1 14s ease-in-out infinite alternate}
.orb-b{width:360px;height:360px;background:radial-gradient(circle,rgba(139,92,246,.45),transparent 70%);bottom:-60px;left:-80px;animation:drift2 18s ease-in-out infinite alternate}
@keyframes drift1{from{transform:translate(0,0)}to{transform:translate(-60px,50px)}}
@keyframes drift2{from{transform:translate(0,0)}to{transform:translate(70px,-40px)}}

/* 鼠标跟随光晕 */
.hero-glow{position:absolute;top:0;left:0;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:1;background:radial-gradient(circle,rgba(34,211,238,.18),transparent 60%);transform:translate(-50%,-50%);opacity:0;transition:opacity .4s;mix-blend-mode:screen}
.hero:hover .hero-glow{opacity:1}

/* hero 底部流动光带 */
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.7),transparent);background-size:200% 100%;animation:flowLine 4s linear infinite}
@keyframes flowLine{from{background-position:200% 0}to{background-position:-200% 0}}

/* 卡片扫光 hover */
.pain,.pcard,.scene,.case,.step,.hstat{position:relative;overflow:hidden}
.pain::after,.pcard::after,.scene::after,.case::after,.step::after,.hstat::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.08),transparent);transform:skewX(-20deg);transition:none;pointer-events:none}
.pain:hover::after,.pcard:hover::after,.scene:hover::after,.case:hover::after,.step:hover::after,.hstat:hover::after{animation:sheen .7s ease-out}
@keyframes sheen{to{left:130%}}

/* 关键数字微光呼吸 */
.hstat b,.metric b,.case b{text-shadow:0 0 24px rgba(34,211,238,.35)}
.hstat:hover b,.case:hover b{text-shadow:0 0 32px rgba(34,211,238,.65)}

/* hover 提升亮度反馈 */
.pain:hover,.pcard:hover,.scene:hover,.case:hover,.step:hover,.hstat:hover{box-shadow:0 10px 30px rgba(37,99,235,.18)}
.btn-primary:hover{filter:brightness(1.12)}
.cta-box:hover{box-shadow:0 20px 60px rgba(37,99,235,.5)}

/* section 顶部细分隔渐变线 */
section + section{border-top:1px solid rgba(148,163,184,.06)}

/* 标题渐隐光 */
.geo-page h1 .grad{background-size:200% auto;animation:shine 5s linear infinite}
@keyframes shine{to{background-position:200% center}}

/* 图标 hover */
.scene .sicon,.pain .ic{transition:.18s}
.scene:hover .sicon{transform:scale(1.08);box-shadow:0 0 20px rgba(34,211,238,.3)}

@media(prefers-reduced-motion:reduce){.orb,.hero::after,.geo-page h1 .grad{animation:none!important}}