:root{--bg:#07111f;--panel:#0d1b2d;--panel2:#10243a;--text:#edf7ff;--muted:#9bb3c8;--line:rgba(155,211,255,.18);--cyan:#35d5ff;--blue:#2c73ff;--green:#2ee69d;--white:#fff;--ink:#102033}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.7}a{color:inherit;text-decoration:none}.loader{position:fixed;inset:0;z-index:9999;background:#06101d;display:grid;place-items:center;gap:18px;transition:.5s;animation:loaderOut .45s ease 1.15s forwards}.loader span{width:72px;height:72px;border:2px solid var(--line);border-top-color:var(--cyan);border-radius:50%;animation:spin 1s linear infinite}.loader b{color:var(--muted);font-size:14px;letter-spacing:2px}.loaded .loader{opacity:0;pointer-events:none}.site-header{position:sticky;top:0;z-index:100;padding:16px 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rgba(44,115,255,.35)}.ghost{background:rgba(255,255,255,.06)}.btn:hover{transform:translateY(-2px)}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px}.metrics span,.service-card,.article-card,.contact-form,.radar-card,.solution-list,.intro{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));box-shadow:0 24px 80px rgba(0,0,0,.22);backdrop-filter:blur(14px)}.metrics span{padding:16px;border-radius:12px;color:var(--muted)}.metrics b{display:block;color:var(--white);font-size:25px}.radar-card{padding:28px;border-radius:20px}.radar{height:360px;position:relative;border-radius:50%;background:radial-gradient(circle,rgba(53,213,255,.16),transparent 62%);border:1px solid var(--line);overflow:hidden}.radar i{position:absolute;inset:18%;border:1px solid rgba(53,213,255,.28);border-radius:50%}.radar i:nth-child(2){inset:34%}.radar 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h3{font-size:22px;line-height:1.3}.service-card p,.article-card p,.split p,.faq p,.footer p{color:var(--muted)}.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px}.solution-list{padding:28px;border-radius:16px;display:grid;gap:12px}.solution-list p{margin:0;padding:14px 16px;background:rgba(255,255,255,.05);border-radius:10px}.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.timeline div{border-top:2px solid var(--cyan);padding:16px 10px;background:rgba(255,255,255,.045)}.timeline b{display:block;color:var(--green);font-size:24px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end}.article-card{border-radius:16px;overflow:hidden}.article-card:hover{transform:translateY(-4px)}.article-card{transition:.25s}.article-card em{color:var(--green);font-style:normal}.faq details{border:1px solid var(--line);border-radius:12px;margin:12px 0;background:rgba(255,255,255,.045);padding:18px}.faq 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sweep{to{transform:rotate(360deg)}}@media(max-width:900px){.nav{display:none;position:absolute;left:0;right:0;top:75px;background:#07111f;padding:18px;grid-template-columns:1fr;border-bottom:1px solid var(--line)}.nav.open{display:grid}.menu-btn{display:block;background:transparent;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px 11px}.hero,.intro,.split,.contact,.footer{grid-template-columns:1fr}.hero{min-height:auto;padding-top:70px}.metrics,.service-grid,.article-grid,.timeline{grid-template-columns:1fr}.radar{height:260px}.section{padding:58px 18px}.intro{margin:0 18px}.section-head{display:block}.brand span{display:none}}
.contact-float{position:fixed;right:18px;bottom:92px;z-index:95;display:grid;justify-items:end;gap:10px}.contact-float__toggle{width:56px;height:56px;border-radius:50%;border:1px solid rgba(53,213,255,.45);background:linear-gradient(135deg,#35d5ff,#2c73ff);color:#00111f;font-weight:800;box-shadow:0 18px 40px rgba(44,115,255,.38);cursor:pointer}.contact-float__panel{width:190px;padding:14px;border:1px solid var(--line);border-radius:16px;background:rgba(7,17,31,.92);box-shadow:0 24px 70px rgba(0,0,0,.38);backdrop-filter:blur(18px);display:grid;gap:8px;text-align:center;color:var(--text)}.contact-float__panel img{width:142px;height:142px;object-fit:cover;margin:auto;border-radius:10px;background:#fff;padding:6px}.contact-float__panel strong{font-size:16px;color:#fff}.contact-float__panel a{display:block;padding:9px 10px;border-radius:10px;background:rgba(53,213,255,.12);color:#7be8ff;font-weight:800}.contact-float__panel span{font-size:12px;color:var(--muted);line-height:1.45}.float-top{position:fixed;right:18px;bottom:26px;z-index:94;border:1px solid var(--line);background:rgba(7,17,31,.84);color:var(--text);border-radius:999px;padding:10px 14px;backdrop-filter:blur(12px);cursor:pointer}@media(max-width:900px){.contact-float{right:12px;bottom:78px}.contact-float__panel{display:none;width:166px}.contact-float:hover .contact-float__panel,.contact-float:focus-within .contact-float__panel{display:grid}.contact-float__panel img{width:124px;height:124px}.contact-float__toggle{width:52px;height:52px}.float-top{right:12px;bottom:18px}}

/* 联系方式悬浮窗尺寸优化：减少对首屏内容遮挡 */
.contact-float{bottom:28px}.contact-float__panel{width:168px;padding:12px}.contact-float__panel img{width:116px;height:116px}.contact-float__panel a{padding:8px 9px}.contact-float__panel span{font-size:11px}.float-top{right:204px;bottom:30px}@media(max-width:900px){.contact-float{bottom:78px}.contact-float__panel{width:166px}.float-top{right:12px;bottom:18px}}