:root{--blue:#2563eb;--blue-dark:#1d4ed8;--blue-soft:#eff6ff;--ink:#172033;--muted:#697386;--line:#e7eaf0;--green:#16a36a;--shadow:0 12px 32px rgba(31,50,87,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7f8fb;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.site-header{height:72px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.header-inner{max-width:1180px;height:100%;margin:auto;padding:0 24px;display:flex;align-items:center}.brand{display:flex;align-items:center;gap:11px;min-width:255px}.brand-logo{width:40px;height:40px;display:grid;place-items:center;border-radius:8px;color:#fff;font-size:20px;font-weight:700;background:linear-gradient(145deg,#3980ff,#1a54cd);box-shadow:0 7px 14px rgba(37,99,235,.22)}.brand-text{display:flex;flex-direction:column;gap:2px}.brand-text strong{font-size:16px}.brand-text small{font-size:8px;letter-spacing:.12em;color:#929bad}.header-nav{display:flex;align-items:stretch;gap:30px;height:100%}.header-nav a{display:flex;align-items:center;color:var(--muted);font-size:13px;position:relative}.header-nav a:hover,.header-nav a.active{color:var(--blue);font-weight:700}.header-nav a.active:after{content:"";height:2px;position:absolute;left:0;right:0;bottom:0;background:var(--blue)}.contact-link{margin-left:auto;height:36px;padding:0 15px;border:1px solid #dce3ef;border-radius:6px;display:inline-flex;align-items:center;gap:13px;font-size:12px;background:#fff}.contact-link:hover{border-color:var(--blue);color:var(--blue)}.menu-button{display:none;border:0;background:transparent;padding:8px}.menu-button span{width:21px;height:2px;background:var(--ink);display:block;margin:4px 0}.welcome{min-height:310px;background:#0c1d46;color:#fff;position:relative;overflow:hidden}.welcome:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,black,transparent 90%)}.welcome-glow{width:480px;height:480px;background:rgba(43,108,255,.24);filter:blur(80px);border-radius:50%;position:absolute;right:4%;top:-290px}.welcome-inner{max-width:1180px;margin:auto;padding:53px 24px 43px;position:relative;z-index:1}.welcome-tag{margin:0 0 12px;color:#9bbaff;font-size:11px;letter-spacing:.08em}.welcome-tag span{display:inline-block;width:6px;height:6px;margin:0 7px 1px 0;border-radius:50%;background:#55ddaa;box-shadow:0 0 0 4px rgba(85,221,170,.1)}.welcome h1{margin:0;font-size:clamp(28px,3vw,40px)}.welcome-copy{margin:9px 0 25px;color:#abb8d3;font-size:13px}.search-box{width:min(620px,100%);height:51px;padding:0 12px 0 18px;border-radius:7px;background:#fff;display:flex;align-items:center;box-shadow:0 12px 28px rgba(0,0,0,.15)}.search-icon{width:16px;height:16px;border:2px solid #8c96a8;border-radius:50%;position:relative;flex:0 0 auto}.search-icon:after{content:"";width:7px;height:2px;background:#8c96a8;position:absolute;right:-5px;bottom:-2px;transform:rotate(45deg)}.search-box input{flex:1;min-width:0;height:100%;border:0;outline:0;padding:0 15px;color:var(--ink);font-size:13px}.search-box input::placeholder{color:#a2aabb}.search-box kbd{color:#8a94a6;border:1px solid #e1e5ec;border-bottom-width:2px;border-radius:4px;padding:3px 7px;font-size:10px}.quick-links{display:flex;align-items:center;gap:19px;margin-top:16px;font-size:11px;color:#8292b3}.quick-links a{color:#bfc9dd}.quick-links a:hover{color:#fff}.page-layout{max-width:1180px;margin:auto;padding:42px 24px 72px;display:grid;grid-template-columns:190px minmax(0,1fr);gap:45px}.sidebar-title{margin:0 0 12px;color:#9aa2b1;font-size:10px;font-weight:700;letter-spacing:.1em}.category{width:100%;height:43px;margin-bottom:5px;padding:0 12px;border:0;border-radius:6px;color:#687386;background:transparent;display:flex;align-items:center;gap:10px;cursor:pointer;text-align:left;font-size:12px}.category:hover,.category.active{color:var(--blue);background:#eaf1ff;font-weight:700}.category b{margin-left:auto;min-width:21px;height:20px;padding:0 6px;border-radius:10px;background:#edf0f5;color:#919aaa;display:grid;place-items:center;font-size:9px}.category.active b{background:#dbe7ff;color:var(--blue)}.category-icon{width:16px;height:16px;position:relative;flex:0 0 auto}.grid-icon{background:linear-gradient(90deg,currentColor 5px,transparent 5px 9px,currentColor 9px 14px),linear-gradient(currentColor 5px,transparent 5px 9px,currentColor 9px 14px);opacity:.75}.tool-icon{border:1.5px solid currentColor;border-radius:4px}.tool-icon:after{content:"";position:absolute;width:6px;height:1.5px;background:currentColor;top:6px;left:4px;box-shadow:0 3px currentColor}.service-icon{border:1.5px solid currentColor;border-radius:50%}.service-icon:after{content:"?";position:absolute;inset:0;display:grid;place-items:center;font-size:10px;font-weight:700}.sidebar-card{margin-top:30px;padding:18px;border:1px solid #e1e5ec;border-radius:8px;background:#fff}.sidebar-card-icon{width:29px;height:29px;margin-bottom:12px;border-radius:6px;display:grid;place-items:center;color:var(--blue);background:var(--blue-soft);font-weight:700}.sidebar-card strong{font-size:12px}.sidebar-card p{margin:7px 0 14px;color:var(--muted);font-size:10px;line-height:1.7}.sidebar-card a{color:var(--blue);font-size:10px;font-weight:700}.content-section{scroll-margin-top:95px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:18px}.section-label{margin:0 0 5px;color:var(--blue);font-size:9px;font-weight:700;letter-spacing:.13em}.section-heading h2{margin:0;font-size:21px}.result-count{color:#929baa;font-size:10px}.result-count b{color:var(--blue)}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.product-card{min-height:265px;padding:22px;border:1px solid #e4e7ed;border-radius:8px;background:#fff;display:flex;flex-direction:column;transition:.2s ease}.product-card:hover{transform:translateY(-3px);border-color:#cdd9f2;box-shadow:var(--shadow)}.card-topline{display:flex;justify-content:space-between;align-items:center}.status{font-size:9px;color:var(--green);background:#eaf9f2;border-radius:11px;padding:5px 8px}.status i{width:5px;height:5px;display:inline-block;border-radius:50%;margin:0 4px 1px 0;background:var(--green)}.card-number{color:#c4cad4;font-size:10px}.product-main{display:flex;gap:16px;margin-top:25px}.product-logo{width:57px;height:57px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center}.spark-logo{color:#fff;background:linear-gradient(145deg,#ff7a4d,#ff3d67);box-shadow:0 9px 18px rgba(255,65,97,.2)}.spark-logo span{font-size:25px}.product-main h3,.coming-card h3{margin:3px 0 7px;font-size:16px}.product-main p,.coming-card p{margin:0;max-width:265px;color:var(--muted);font-size:11px;line-height:1.7}.tag-list{display:flex;gap:7px;margin-top:19px}.tag-list span{padding:5px 8px;border-radius:4px;color:#6c7688;background:#f3f5f8;font-size:9px}.card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;border-top:1px solid #edf0f4;color:#a0a7b4;font-size:9px}.product-enter{height:31px;padding:0 11px;border-radius:5px;color:#fff;background:var(--blue);display:inline-flex;align-items:center;gap:8px;font-size:10px;font-weight:700}.product-enter:hover{background:var(--blue-dark)}.coming-card{align-items:center;justify-content:center;text-align:center;border-style:dashed;background:rgba(255,255,255,.45)}.coming-card:hover{transform:none;box-shadow:none;border-color:#cfd5df}.coming-icon{width:50px;height:50px;margin-bottom:12px;display:grid;place-items:center;border:1px dashed #bac2cf;border-radius:50%;color:#9ca5b4;font-size:22px}.empty-state{display:none;padding:60px 20px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--muted)}.empty-state span{font-size:28px}.empty-state strong{display:block;color:var(--ink);margin:10px 0 4px;font-size:14px}.empty-state p{margin:0;font-size:11px}.service-section{margin-top:43px}.service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.service-card{min-height:88px;padding:17px;border:1px solid #e4e7ed;border-radius:8px;background:#fff;display:flex;align-items:center;gap:14px}.service-card:hover{border-color:#cdd9f2;box-shadow:var(--shadow)}.service-symbol{width:42px;height:42px;flex:0 0 auto;border-radius:8px;color:var(--blue);background:var(--blue-soft);display:grid;place-items:center;font-weight:700}.service-symbol.cooperation{color:#8a5ad9;background:#f4efff;font-size:22px}.service-card h3{margin:0 0 5px;font-size:12px}.service-card p{margin:0;color:var(--muted);font-size:10px}.service-card b{margin-left:auto;color:#9aa3b1;font-size:16px;font-weight:400}.about-strip{min-height:92px;margin-top:43px;padding:19px 22px;border-radius:8px;color:#fff;background:#142347;display:flex;justify-content:space-between;align-items:center;scroll-margin-top:95px}.about-strip>div{display:flex;align-items:center;gap:14px}.about-mark{width:43px;height:43px;display:grid;place-items:center;border:1px solid #405078;border-radius:8px;color:#87a9ff;font-weight:700}.about-strip strong{font-size:12px}.about-strip p{margin:5px 0 0;color:#909dbc;font-size:10px}.about-strip a{color:#a9b9dc;font-size:10px}.site-footer{background:#fff;border-top:1px solid var(--line)}.footer-inner{max-width:1180px;min-height:105px;margin:auto;padding:25px 24px;display:flex;align-items:center;justify-content:space-between}.footer-inner strong{font-size:14px}.footer-inner p{margin:6px 0 0;color:var(--muted);font-size:10px}.footer-contact{display:flex;gap:25px;color:#9ca4b2;font-size:9px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);padding:10px 16px;border-radius:6px;color:#fff;background:#172033;font-size:11px;opacity:0;pointer-events:none;transition:.2s ease}.toast.show{opacity:1;transform:translate(-50%,0)}
@media (max-width:760px){.site-header{height:64px}.header-inner{padding:0 18px}.brand{min-width:0}.brand-logo{width:36px;height:36px}.brand-text small{display:none}.header-nav{display:none;position:absolute;top:64px;left:0;right:0;height:auto;padding:10px 18px;border-bottom:1px solid var(--line);background:#fff;flex-direction:column;gap:0}.header-nav.open{display:flex}.header-nav a{height:42px}.header-nav a.active:after{display:none}.contact-link{display:none}.menu-button{display:block;margin-left:auto}.welcome{min-height:300px}.welcome-inner{padding:47px 20px 38px}.search-box kbd{display:none}.quick-links{gap:13px;flex-wrap:wrap}.page-layout{padding:30px 18px 55px;grid-template-columns:1fr;gap:26px}.sidebar{display:flex;gap:8px;overflow-x:auto;padding-bottom:3px}.sidebar-title,.sidebar-card{display:none}.category{flex:0 0 auto;width:auto;padding:0 13px}.product-grid,.service-grid{grid-template-columns:1fr}.product-card{min-height:255px}.about-strip{align-items:flex-start;gap:15px}.about-strip>div{align-items:flex-start}.footer-inner{align-items:flex-start;gap:20px;flex-direction:column}.footer-contact{flex-direction:column;gap:7px}}
@media (max-width:420px){.welcome h1{font-size:29px}.product-logo{width:50px;height:50px}.tag-list{flex-wrap:wrap}.about-strip{flex-direction:column}}

/* Tech-focused visual pass */
.welcome{min-height:350px;background:#071637;border-bottom:1px solid #1d4c99}
.welcome:before{background-image:linear-gradient(rgba(86,154,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(86,154,255,.09) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,black 0%,rgba(0,0,0,.7) 65%,transparent 100%)}
.welcome:after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,#43c9ff 50%,transparent);box-shadow:0 0 22px #43c9ff}
.welcome-glow{width:600px;height:260px;background:rgba(29,107,255,.35);filter:blur(75px);left:50%;right:auto;top:-130px;transform:translateX(-50%)}
.welcome-inner{padding:57px 24px 45px;text-align:center;display:flex;flex-direction:column;align-items:center}
.welcome-tag{color:#7fd9ff;letter-spacing:.12em}.welcome-tag span{background:#45e8b1;box-shadow:0 0 0 4px rgba(69,232,177,.12),0 0 12px #45e8b1}
.welcome h1{font-size:clamp(30px,3.4vw,45px);letter-spacing:.04em;text-shadow:0 0 22px rgba(73,188,255,.4)}.welcome-copy{color:#9db5db;margin-bottom:27px}
.search-box{width:min(680px,100%);height:56px;border:1px solid rgba(111,184,255,.65);box-shadow:0 0 0 4px rgba(55,140,255,.1),0 12px 34px rgba(0,0,0,.28)}
.quick-links{justify-content:center;gap:21px;margin-top:17px;color:#718bb7}.quick-links a{color:#b6cbed;border-bottom:1px solid transparent;padding-bottom:2px}.quick-links a:hover{color:#fff;border-color:#5fd2ff}
.product-card{border-color:#dfe6f2;position:relative;overflow:hidden}.product-card:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(37,99,235,.035),transparent 35%);pointer-events:none}.product-card:hover{border-color:#86b4ff;box-shadow:0 12px 35px rgba(37,99,235,.15)}
.coming-card{background:linear-gradient(145deg,rgba(255,255,255,.75),rgba(239,246,255,.7))}
.douyin-logo{background:#090b12;border:1px solid #222938;box-shadow:0 9px 20px rgba(8,11,18,.2)}
.douyin-logo img{display:block;width:31px;height:31px;object-fit:contain}
.product-logo img{display:block;width:100%;height:100%;border-radius:11px;object-fit:cover}.product-initial{font-size:22px;font-weight:700;color:#72e4ff}.product-logo:not(.douyin-logo){background:#102d58;border:1px solid #285a94}
@media (max-width:760px){.welcome-inner{padding:47px 20px 38px}.welcome{min-height:300px}}

/* Full-site technology theme */
body{background:#050a18;color:#e8f2ff;min-height:100vh}
body:before{content:"";position:fixed;inset:0;z-index:-2;background-image:linear-gradient(rgba(74,132,220,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(74,132,220,.055) 1px,transparent 1px);background-size:48px 48px}
body:after{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(115deg,rgba(21,71,151,.16),transparent 38%,rgba(117,42,144,.1) 72%,transparent)}
.star-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:50;pointer-events:none}
.site-header{background:rgba(5,11,27,.82);border-color:rgba(90,151,255,.18);box-shadow:0 1px 22px rgba(0,0,0,.28)}
.site-header,.welcome,main,.site-footer{position:relative;z-index:1}
.brand-logo{background:#0b1e48;border:1px solid #3978df;color:#71dfff;box-shadow:inset 0 0 14px rgba(47,143,255,.22),0 0 18px rgba(34,120,255,.16)}
.brand-text strong{color:#f1f7ff}.brand-text small{color:#6685b7}.header-nav a{color:#7890b5}.header-nav a:hover,.header-nav a.active{color:#63dfff}.header-nav a.active:after{background:linear-gradient(90deg,#277dff,#53e1ff);box-shadow:0 0 12px #42c9ff}.contact-link{color:#a6c9f2;background:rgba(14,31,64,.72);border-color:rgba(93,157,255,.32)}.contact-link:hover{color:#73e4ff;border-color:#4bd8ff;box-shadow:0 0 18px rgba(49,204,255,.15)}
.welcome{background:rgba(5,13,34,.48);border-color:rgba(71,155,255,.28)}.welcome:before{opacity:.75}.welcome h1{background:linear-gradient(90deg,#fff 25%,#7de6ff 62%,#b9a5ff);background-clip:text;color:transparent}.search-box{background:rgba(7,17,41,.9);border-color:rgba(83,197,255,.55);box-shadow:0 0 0 4px rgba(42,135,255,.08),0 0 34px rgba(48,174,255,.15)}.search-box input{color:#e9f4ff;background:transparent}.search-box input::placeholder{color:#6984ae}.search-box kbd{color:#75a9dc;border-color:#285080;background:#0b1c3d}
.page-layout{position:relative}.sidebar-title{color:#536d97}.category{color:#7890b5}.category:hover,.category.active{color:#64ddff;background:rgba(29,100,189,.18);box-shadow:inset 3px 0 0 #43d2ff}.category b{color:#6a83aa;background:#101d36}.category.active b{color:#72e5ff;background:#15365e}.tool-icon,.service-icon{border-color:currentColor}.sidebar-card{background:rgba(10,20,42,.78);border-color:rgba(82,130,202,.24);box-shadow:inset 0 1px 0 rgba(255,255,255,.03)}.sidebar-card-icon{color:#62dcff;background:#102c55}.sidebar-card strong{color:#dceaff}.sidebar-card p{color:#738bb0}.sidebar-card a{color:#64dcff}
.section-label{color:#54d9ff}.section-heading h2{color:#edf6ff}.result-count{color:#647a9e}.result-count b{color:#5ce0ff}.product-card{background:linear-gradient(145deg,rgba(12,25,52,.92),rgba(7,15,34,.94));border-color:rgba(76,139,226,.24);box-shadow:inset 0 1px 0 rgba(255,255,255,.035)}.product-card:before{background:linear-gradient(120deg,rgba(43,133,255,.09),transparent 35%,rgba(202,78,255,.035))}.product-card:hover{border-color:#3dc6ff;box-shadow:0 0 0 1px rgba(61,198,255,.12),0 16px 38px rgba(0,0,0,.3),0 0 30px rgba(42,140,255,.11)}.status{color:#55f2c1;background:rgba(21,138,107,.14);border:1px solid rgba(70,233,186,.18)}.status i{background:#4bf0bd;box-shadow:0 0 8px #4bf0bd}.card-number{color:#40577e}.product-main h3,.coming-card h3{color:#edf6ff}.product-main p,.coming-card p{color:#7f98bd}.tag-list span{color:#86a7d3;background:rgba(34,75,132,.26);border:1px solid rgba(79,139,220,.13)}.card-footer{color:#587198;border-color:rgba(96,139,201,.15)}.product-enter{background:linear-gradient(90deg,#1767e8,#158ec6);box-shadow:0 0 18px rgba(31,151,255,.19)}.product-enter:hover{background:linear-gradient(90deg,#257cff,#24b6dc);box-shadow:0 0 24px rgba(47,205,255,.28)}.coming-card{background:linear-gradient(145deg,rgba(9,21,45,.74),rgba(24,14,47,.58));border-color:rgba(126,105,211,.27)}.coming-icon{color:#9b8fe5;border-color:#554985;box-shadow:inset 0 0 18px rgba(139,95,255,.08)}
.service-card{background:rgba(9,20,43,.85);border-color:rgba(76,139,226,.22)}.service-card:hover{border-color:#48cfff;box-shadow:0 12px 32px rgba(0,0,0,.25),0 0 25px rgba(47,178,255,.1)}.service-symbol{color:#62ddff;background:#102c55}.service-symbol.cooperation{color:#d29aff;background:#2c1749}.service-card h3{color:#e7f2ff}.service-card p{color:#7189ae}.service-card b{color:#4d75a7}.about-strip{background:linear-gradient(105deg,rgba(13,37,78,.95),rgba(31,18,62,.94));border:1px solid rgba(87,143,228,.24);box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}.about-mark{color:#63ddff;border-color:#2f75a9;box-shadow:inset 0 0 16px rgba(47,199,255,.08)}.about-strip p{color:#738bb0}.about-strip a{color:#78dfff}.site-footer{background:rgba(4,9,22,.82);border-color:rgba(82,135,209,.17)}.footer-inner strong{color:#e5f2ff}.footer-inner p,.footer-contact{color:#5d759a}.empty-state{color:#7189ae;background:rgba(9,20,42,.82);border-color:rgba(72,126,203,.23)}.empty-state strong{color:#e4f1ff}.toast{background:#0a1c3d;border:1px solid #2677c7;box-shadow:0 0 24px rgba(47,170,255,.2)}
@media (max-width:760px){.header-nav{background:#071125;border-color:rgba(90,151,255,.2)}.menu-button span{background:#8edfff}.star-canvas{z-index:40}}
@media (prefers-reduced-motion:reduce){.star-canvas{display:none}}
.footer-right{display:flex;flex-direction:column;align-items:flex-end;gap:10px}.filing-links{display:flex;align-items:center;gap:8px;color:#526b91;font-size:9px}.filing-links a{transition:color .2s ease}.filing-links a:hover{color:#61dcff}
.douyin-logo img{width:31px;height:31px;border-radius:0}
.brand-logo-image{padding:0;overflow:hidden}.brand-logo-image img{display:block;width:100%;height:100%;object-fit:cover;border-radius:7px}
.sidebar-contact,.service-contact{margin:5px 0 0;color:#6d91bf!important;font-size:10px!important}
@media (max-width:760px){.footer-right{align-items:flex-start}.filing-links{flex-wrap:wrap}}