/* ===== 东燊科技 Donsen — 深蓝科技风 ===== */ :root{ --navy-950:#060F22; --navy-900:#0A1A33; --navy-800:#10254A; --navy-700:#1A3560; --blue-600:#1E5FD8; --blue-500:#2E7CF6; --blue-400:#5B9BFF; --accent:#E8562A; --accent-2:#F07B2D; --ink:#0F2140; --muted:#5A6B8C; --line:#DCE5F2; --light:#F4F7FC; --white:#FFFFFF; --radius:16px; --shadow:0 10px 40px rgba(10,26,51,.10); --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",-apple-system,"Segoe UI",Roboto,Arial,sans-serif; } *{margin:0;padding:0;box-sizing:border-box} html{scroll-behavior:smooth} body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.75;-webkit-font-smoothing:antialiased} img{max-width:100%;display:block} a{color:inherit;text-decoration:none} .container{width:min(1180px,92%);margin:0 auto} /* 无障碍:跳主内容链接 + 统一键盘焦点环 */ .skip-link{position:fixed;top:-72px;left:16px;z-index:10002;background:var(--blue-600);color:#fff;padding:10px 20px;border-radius:0 0 12px 12px;font-size:14px;font-weight:600;transition:top .25s;box-shadow:0 8px 30px rgba(30,95,216,.4)} .skip-link:focus{top:0} :focus-visible{outline:2px solid var(--blue-500);outline-offset:3px;border-radius:4px} .section-dark :focus-visible,.section-contact :focus-visible,.nav :focus-visible,.hero :focus-visible{outline-color:var(--blue-400)} /* 语言切换 */ body[data-lang="zh"] [data-lang="en"],body[data-lang="en"] [data-lang="zh"]{display:none} body[data-lang="zh"] .en,body[data-lang="en"] .zh{display:none} /* ===== NAV ===== */ .nav{position:fixed;inset:0 0 auto 0;z-index:100;background:rgba(6,15,34,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)} /* 滚动后(JS 加 .scrolled):纯色背景,停用持续混合的毛玻璃 */ .nav.scrolled{backdrop-filter:none;-webkit-backdrop-filter:none} .nav-inner{display:flex;align-items:center;gap:28px;height:68px} .nav-brand{display:flex;align-items:center;gap:12px;color:#fff} .nav-brand img{height:40px;width:auto;filter:drop-shadow(0 2px 10px rgba(232,86,42,.65))} .nav-brand-text{display:flex;flex-direction:column;line-height:1.25} .nav-brand-text strong{font-size:17px;letter-spacing:.5px} .nav-brand-text em{font-style:normal;font-size:11px;color:var(--blue-400);letter-spacing:1.5px;text-transform:uppercase} .nav-links{display:flex;gap:4px;margin-left:auto} .nav-link{padding:8px 14px;border-radius:8px;font-size:14.5px;color:rgba(255,255,255,.78);transition:.25s} .nav-link:hover,.nav-link.active{color:#fff;background:rgba(46,124,246,.18)} .nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px} .lang-toggle{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer;transition:.25s;font-family:var(--font)} .lang-toggle:hover{background:rgba(46,124,246,.25)} .lang-opt{opacity:.55;transition:.2s} .lang-opt.is-active{opacity:1;font-weight:600} .lang-sep{opacity:.4} .nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px} .nav-burger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s} /* ===== HERO ===== */ .hero{position:relative;min-height:100vh;display:flex;align-items:center;background:linear-gradient(160deg,var(--navy-950) 0%,var(--navy-900) 45%,var(--navy-800) 100%);color:#fff;overflow:hidden;padding:120px 0 80px} .hero-bg{position:absolute;inset:0;pointer-events:none} .hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(91,155,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(91,155,255,.07) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 30%,transparent 75%)} .hero-glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5} .g1{width:520px;height:520px;background:radial-gradient(circle,rgba(30,95,216,.55),transparent 65%);top:-160px;right:-120px} .g2{width:420px;height:420px;background:radial-gradient(circle,rgba(232,86,42,.28),transparent 65%);bottom:-140px;left:-100px} .hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(36px,4.5vw,64px);align-items:center;text-align:left} .hero-copy{min-width:0} .hero-eyebrow{display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;font-family:ui-monospace,Consolas,"Courier New",monospace;font-size:12.5px;font-weight:600;letter-spacing:2.5px;color:var(--cyan);text-transform:uppercase;padding:7px 18px 7px 14px;border:1px solid rgba(91,233,255,.28);border-radius:999px;background:rgba(91,233,255,.07)} .eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 10px rgba(240,123,45,.9);animation:eyebrowPulse 2.2s ease-in-out infinite;flex:none} @keyframes eyebrowPulse{0%,100%{opacity:1}50%{opacity:.35}} .hero-title{font-size:clamp(36px,4.4vw,56px);font-weight:800;letter-spacing:2px;line-height:1.15} .hero-sub{margin-top:10px;color:var(--blue-400);font-size:15px;letter-spacing:1px} .hero-slogan{margin-top:24px;font-size:clamp(20px,2.5vw,30px);font-weight:700;letter-spacing:1px;background:linear-gradient(90deg,var(--blue-400),#fff 55%,var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent} .hero-desc{margin:18px 0 0;max-width:560px;color:rgba(255,255,255,.82);font-size:16px} .hero-cta{display:flex;justify-content:flex-start;gap:16px;margin-top:36px;flex-wrap:wrap} .btn{display:inline-flex;align-items:center;padding:14px 34px;border-radius:999px;font-size:15.5px;font-weight:600;transition:.28s;letter-spacing:.5px} .btn-primary{background:linear-gradient(90deg,var(--blue-600),var(--blue-500));color:#fff;box-shadow:0 8px 30px rgba(30,95,216,.45)} .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(30,95,216,.6)} .btn-ghost{border:1.5px solid rgba(255,255,255,.35);color:#fff} .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff} .hero-stats{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;margin-top:52px} .stat{min-width:0;padding:8px 20px;border-left:1px solid rgba(255,255,255,.14)} .stat:first-child{border-left:0;padding-left:0} .stat b{display:block;font-size:30px;font-weight:800;color:var(--blue-400)} .stat span{font-size:13px;color:rgba(255,255,255,.65)} /* HERO 视觉舱:深色玻璃 HUD 承载凤凰品牌标识 */ .hero-visual{position:relative;display:flex;justify-content:center;min-width:0} .hero-visual::before{content:'';position:absolute;inset:6% 2% 10%;background:radial-gradient(closest-side,rgba(232,86,42,.20),transparent 70%);filter:blur(46px);pointer-events:none} .hero-pod{position:relative;width:min(372px,100%);padding:50px 36px 30px;text-align:center;border-radius:28px;background:linear-gradient(168deg,rgba(24,54,104,.40),rgba(6,15,34,.62) 60%,rgba(10,22,44,.55));border:1px solid rgba(91,233,255,.20);box-shadow:0 28px 80px rgba(2,8,20,.5),inset 0 1px 0 rgba(255,255,255,.06)} .pod-emblem{position:relative;display:inline-block;line-height:0;isolation:isolate} .pod-emblem::before{content:'';position:absolute;inset:-16% -14%;z-index:-1;background:radial-gradient(closest-side,rgba(247,123,45,.26),rgba(232,86,42,.08) 58%,transparent 76%)} .pod-emblem img{width:min(236px,56vw);height:auto;filter:drop-shadow(0 12px 30px rgba(232,86,42,.32))} .pod-word{margin-top:22px;font-size:clamp(36px,4vw,46px);font-weight:800;letter-spacing:4px;line-height:1.1;background:linear-gradient(96deg,#FFC46B,#F07B2D 42%,#E8562A 78%,#C62B2B);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;filter:drop-shadow(0 6px 20px rgba(232,86,42,.38))} .pod-tag{margin-top:8px;font-family:ui-monospace,Consolas,monospace;font-size:11.5px;letter-spacing:3px;color:rgba(255,255,255,.60);text-transform:uppercase} .pod-tag::before,.pod-tag::after{content:'';display:inline-block;width:30px;height:1px;vertical-align:middle;background:linear-gradient(90deg,transparent,rgba(91,233,255,.55))} .pod-tag::before{margin-right:12px} .pod-tag::after{margin-left:12px;background:linear-gradient(90deg,rgba(91,233,255,.55),transparent)} .pod-eq{display:flex;justify-content:center;align-items:flex-end;gap:6px;height:24px;margin-top:22px} .pod-eq i{width:4px;height:100%;border-radius:2px;transform-origin:bottom;transform:scaleY(.3);background:linear-gradient(180deg,var(--cyan),var(--blue-500));animation:eqPulse 1.7s ease-in-out infinite} .pod-eq i:nth-child(2){animation-delay:.14s} .pod-eq i:nth-child(3){animation-delay:.32s} .pod-eq i:nth-child(4){animation-delay:.1s;background:linear-gradient(180deg,#FFC46B,var(--accent-2))} .pod-eq i:nth-child(5){animation-delay:.42s} .pod-eq i:nth-child(6){animation-delay:.24s;background:linear-gradient(180deg,#FFC46B,var(--accent-2))} .pod-eq i:nth-child(7){animation-delay:.5s} @keyframes eqPulse{0%,100%{transform:scaleY(.28)}50%{transform:scaleY(1)}} /* ===== SECTIONS ===== */ .section{padding:110px 0} .section-light{background:var(--light)} .section-dark{background:linear-gradient(170deg,var(--navy-900),var(--navy-950));color:#fff} .section-head{max-width:760px;margin:0 auto 64px;text-align:center} .section-kicker{font-size:13px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--blue-500);margin-bottom:12px} .section-dark .section-kicker{color:var(--blue-400)} .section-title{font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.35;letter-spacing:.5px} .section-desc{margin-top:16px;color:var(--muted);font-size:16px} .section-dark .section-desc{color:rgba(255,255,255,.68)} /* ABOUT */ .about-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:start} .about-lead{font-size:19px;font-weight:600;color:var(--navy-800)} .about-grid p{margin-bottom:16px;color:#33456b} .about-grid strong{color:var(--blue-600)} .about-chips{list-style:none;display:flex;flex-direction:column;gap:14px} .about-chips li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue-500);border-radius:12px;padding:16px 20px;font-weight:600;font-size:15px;color:var(--navy-800);box-shadow:var(--shadow)} /* PRODUCTS */ .product{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09);border-radius:24px;padding:44px;margin-bottom:36px} .product:nth-child(even){direction:rtl} .product:nth-child(even)>*{direction:ltr} .product-visual{display:flex;flex-direction:column;gap:20px;align-items:center} .product-icon{width:96px;height:96px;border-radius:24px;display:grid;place-items:center;background:linear-gradient(140deg,rgba(30,95,216,.28),rgba(232,86,42,.18));border:1px solid rgba(91,155,255,.35);color:var(--blue-400)} .product-icon svg{width:52px;height:52px} .product-shot{width:100%;aspect-ratio:16/10;border:1.5px dashed rgba(255,255,255,.22);border-radius:14px;display:grid;place-items:center;color:rgba(255,255,255,.4);font-size:13.5px;letter-spacing:1px;background:rgba(255,255,255,.03)} .product-shot-img{width:100%;height:auto;border:1.5px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.03);box-shadow:0 18px 50px rgba(0,0,0,.35)} .product-shot-cap{font-size:12.5px;color:rgba(255,255,255,.68);letter-spacing:.5px;text-align:center} /* 产品特写布局(四大产品线统一):单列通栏,截图通卡宽展示,文本双栏排布 */ .product-feature{direction:ltr;grid-template-columns:1fr;gap:34px;align-items:start} .product-feature:nth-child(even){direction:ltr} .product-feature .product-visual{gap:14px;align-items:stretch} .product-feature .product-icon{display:none} .product-feature .lang-block{display:grid;grid-template-columns:1fr 1fr;column-gap:48px} .product-feature .lang-block>p:first-child, .product-feature .pb-scene, .product-feature .pb-benefit{grid-column:1/-1} .product-feature .pb-block{margin-top:24px} /* ===== 产品详情:痛点 / 方案 / 场景 / 效益 ===== */ .pb-block{margin-top:18px} .pb-title{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;letter-spacing:1.5px;margin-bottom:10px} .pb-title::before{content:'';width:16px;height:2px;border-radius:1px;background:currentColor;opacity:.85} .pb-pain .pb-title{color:#FF9B72} .pb-solve .pb-title{color:#8FB8FF} .pb-scene .pb-title{color:#7FE3C6} .pb-benefit .pb-title{color:#FFB37A} .pb-list{list-style:none;display:grid;gap:7px} .pb-list li{position:relative;padding-left:22px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.6} .pb-pain .pb-list li::before{content:'✕';position:absolute;left:0;top:0;color:#FF9B72;font-size:12px;font-weight:700} .pb-solve .pb-list li::before{content:'✓';position:absolute;left:0;top:0;color:#5B9BFF;font-size:12px;font-weight:700} .scene-chips{display:flex;flex-wrap:wrap;gap:8px} .scene-chips span{font-size:12.5px;font-weight:500;padding:4px 13px;border-radius:999px;background:rgba(46,124,246,.12);border:1px solid rgba(46,124,246,.35);color:rgba(255,255,255,.85)} .benefit-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px} .benefit-item{padding:12px 14px;border-radius:12px;background:linear-gradient(140deg,rgba(46,124,246,.16),rgba(46,124,246,.04));border:1px solid rgba(46,124,246,.3)} .benefit-item b{display:block;font-size:18px;font-weight:800;color:#fff;letter-spacing:.5px;line-height:1.3} .benefit-item span{display:block;margin-top:4px;font-size:12px;color:rgba(255,255,255,.68);line-height:1.5} .product-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px} .pill{font-size:12.5px;font-weight:600;padding:5px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.85)} .pill-status{font-weight:700} .pill-dev{background:rgba(240,123,45,.16);border-color:rgba(240,123,45,.5);color:#FFB37A} .pill-live{background:rgba(46,124,246,.18);border-color:rgba(46,124,246,.55);color:#8FB8FF} .pill-soon{background:rgba(46,200,160,.14);border-color:rgba(46,200,160,.5);color:#7FE3C6} .pill-pilot{background:rgba(232,86,42,.14);border-color:rgba(232,86,42,.5);color:#FF9B72} .product-body h3{font-size:26px;font-weight:800;display:flex;flex-wrap:wrap;align-items:baseline;gap:12px} .product-en{font-size:13px;font-weight:500;color:var(--blue-400);letter-spacing:.4px} .product-tagline{margin:6px 0 16px;font-size:15.5px;font-weight:600;color:rgba(255,255,255,.72)} .product-body p{color:rgba(255,255,255,.78);font-size:15px} .product-body strong{color:#fff} .product-list{list-style:none;margin-top:14px;display:grid;gap:9px} .product-list li{position:relative;padding-left:24px;font-size:14.5px;color:rgba(255,255,255,.72)} .product-list li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:2px;background:linear-gradient(135deg,var(--blue-500),var(--accent))} /* TECH */ .tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px} .tech-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 32px;box-shadow:var(--shadow);transition:.3s} .tech-card:hover{transform:translateY(-6px);border-color:var(--blue-400)} .tech-card h4{font-size:18.5px;font-weight:700;color:var(--navy-800);margin-bottom:12px;padding-left:14px;border-left:4px solid var(--blue-500)} .tech-card p{font-size:15px;line-height:1.75;color:var(--muted)} /* CASES */ .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px} .case-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:38px 30px;text-align:center;transition:.3s} .case-card:hover{transform:translateY(-6px);background:rgba(46,124,246,.1)} .case-logo{width:76px;height:76px;margin:0 auto 20px;border-radius:20px;display:grid;place-items:center;font-size:30px;font-weight:800;color:#fff;background:linear-gradient(140deg,var(--blue-600),var(--navy-700));border:1px solid rgba(91,155,255,.4)} .case-card h4{font-size:19px;font-weight:700} .case-industry{font-size:13px;color:var(--blue-400);letter-spacing:1px;margin:4px 0 10px} .case-note{font-size:13.5px;color:rgba(255,255,255,.72)} /* TIMELINE */ .timeline{max-width:820px;margin:0 auto;position:relative} .timeline::before{content:"";position:absolute;left:26px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--blue-500),var(--accent))} .tl-item{position:relative;padding:0 0 44px 76px} .tl-item:last-child{padding-bottom:0} .tl-year{position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--blue-500);display:grid;place-items:center;font-weight:800;font-size:14.5px;color:var(--blue-600);z-index:1;box-shadow:var(--shadow)} .tl-future .tl-year{border-color:var(--accent);color:var(--accent);font-size:13.5px} .tl-body h5{font-size:19px;font-weight:700;color:var(--navy-800);margin-bottom:6px} .tl-body p{font-size:15px;color:var(--muted);max-width:640px} /* CONTACT */ .section-contact{background:linear-gradient(160deg,var(--navy-800),var(--navy-950));color:#fff} .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:820px;margin:0 auto} .contact-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:44px 32px;text-align:center;transition:.3s} .contact-card:hover{transform:translateY(-6px);border-color:var(--blue-400)} .contact-card:first-child{background:linear-gradient(160deg,rgba(46,124,246,.18),rgba(46,124,246,.05));border-color:rgba(91,155,255,.45)} .contact-ico{width:64px;height:64px;margin:0 auto 20px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(140deg,var(--blue-600),var(--blue-500));color:#fff} .contact-ico svg{width:30px;height:30px} .contact-card h5{font-size:16px;font-weight:700;margin-bottom:10px;color:var(--blue-400)} .contact-card a,.contact-card p{font-size:16px;color:#fff;font-weight:600} .contact-card a:hover{color:var(--blue-400)} .contact-tel{display:inline-block;font-size:26px!important;letter-spacing:1px;margin-bottom:12px} .contact-sub{font-size:13.5px!important;font-weight:500!important;color:rgba(255,255,255,.68)!important} /* FOOTER */ .footer{background:var(--navy-950);color:rgba(255,255,255,.6);padding:36px 0;border-top:1px solid rgba(255,255,255,.08)} .footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap} .footer-brand{display:flex;align-items:center;gap:12px;color:#fff} .footer-brand img{height:36px;width:auto;filter:drop-shadow(0 2px 8px rgba(232,86,42,.55))} .footer-brand strong{display:block;font-size:15px} .footer-brand span{font-size:11px;letter-spacing:1.5px;color:var(--blue-400);text-transform:uppercase} .footer-copy{font-size:13px} .footer-icp{font-size:12.5px;margin-top:6px;width:100%} .footer-icp a{color:rgba(255,255,255,.62);transition:.25s} .footer-icp a:hover{color:var(--blue-400)} /* REVEAL */ .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease} .reveal.in{opacity:1;transform:none} /* RESPONSIVE */ @media (max-width:1024px){ .product{grid-template-columns:1fr;padding:32px} .product:nth-child(even){direction:ltr} .product-feature{gap:26px} .product-feature .lang-block{grid-template-columns:1fr} .product-visual{order:-1} .product-icon{width:72px;height:72px} .product-icon svg{width:40px;height:40px} .tech-grid,.case-grid,.contact-grid{grid-template-columns:repeat(2,1fr)} .about-grid{grid-template-columns:1fr} .hero-inner{grid-template-columns:1fr;gap:46px;text-align:center} .hero-visual{order:-1} .hero-desc{margin-left:auto;margin-right:auto} .hero-cta{justify-content:center} .hero-stats{justify-content:center} } @media (max-width:720px){ .nav-links{position:fixed;top:68px;right:0;left:0;background:rgba(6,15,34,.97);flex-direction:column;padding:18px 4%;gap:2px;display:none;border-bottom:1px solid rgba(255,255,255,.1)} .nav-links.open{display:flex} .nav-link{padding:13px 16px;font-size:16px} .nav-burger{display:flex} .hero{padding:104px 0 64px} .hero-eyebrow{letter-spacing:1.8px;font-size:11.5px;padding:6px 14px 6px 12px} .pod-word{letter-spacing:3px} .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px} .stat{border-left:0;min-width:0} .tech-grid,.case-grid,.contact-grid{grid-template-columns:1fr} .section{padding:76px 0} .timeline::before{left:20px} .tl-item{padding-left:60px} .tl-year{width:42px;height:42px;font-size:12.5px} .pb-block{margin-top:14px} .pb-list li{font-size:13.5px} .benefit-item{padding:10px 11px} .benefit-item b{font-size:14.5px} .benefit-item span{font-size:11px} .scene-chips span{font-size:12px;padding:3px 11px} }