:root{--ink:#102a4c;--muted:#657b99;--blue:#246bfd;--cyan:#16c9e8;--line:rgba(80,132,196,.2);--panel:rgba(11,28,51,.82);font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",system-ui,sans-serif;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#050a12;color:#e8f2ff;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}
body:before{content:'';position:fixed;inset:0;z-index:-3;background:linear-gradient(rgba(60,130,220,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(60,130,220,.055) 1px,transparent 1px),radial-gradient(circle at 12% 0%,rgba(29,102,255,.2),transparent 34%),radial-gradient(circle at 94% 10%,rgba(0,216,255,.1),transparent 30%);background-size:42px 42px,42px 42px,auto,auto}
.site-header{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:28px;max-width:1320px;margin:0 auto;padding:18px 24px;background:rgba(5,12,23,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(96,151,218,.16)}
.site-brand{display:flex;align-items:center;gap:11px;margin-right:auto}.site-brand img{width:42px;height:42px}.site-brand span{display:grid;gap:2px}.site-brand strong{font-size:17px}.site-brand small{color:#718eaf;font-size:10px}
.site-nav{display:flex;gap:24px;color:#8fa8c7;font-size:13px}.site-nav a:hover{color:#5ed9ff}.header-actions{display:flex;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.2s}.btn.small{min-height:36px;padding:0 13px;font-size:12px}.btn.primary{background:linear-gradient(135deg,#18c9ff,#2876ff 55%,#4c5cff);color:#fff;box-shadow:0 8px 24px rgba(25,129,255,.32)}.btn.ghost{border-color:#315c8d;background:rgba(8,23,42,.75);color:#a9dcff}.btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
main{position:relative}.hero{position:relative;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:52px;max-width:1320px;min-height:680px;margin:0 auto;padding:80px 24px 90px;overflow:hidden}.hero-glow{position:absolute;border-radius:50%;filter:blur(14px);pointer-events:none}.glow-a{width:460px;height:460px;left:-220px;top:80px;background:radial-gradient(circle,rgba(37,113,255,.32),transparent 68%)}.glow-b{width:420px;height:420px;right:-180px;bottom:-100px;background:radial-gradient(circle,rgba(0,218,255,.22),transparent 68%)}
.eyebrow{display:inline-flex;align-items:center;padding:6px 10px;border:1px solid rgba(70,169,255,.32);border-radius:999px;background:rgba(30,100,190,.12);color:#72d7ff;font-size:11px;font-weight:900;letter-spacing:.08em}.hero h1{margin:22px 0 20px;font-size:clamp(38px,4.7vw,64px);line-height:1.1;letter-spacing:-.05em;overflow-wrap:anywhere}.hero h1 em{font-style:normal;white-space:nowrap;color:transparent;background:linear-gradient(100deg,#58e5ff,#4f8cff 54%,#9a7cff);background-clip:text;-webkit-background-clip:text}.hero-copy>p{max-width:660px;margin:0;color:#9db4d1;font-size:16px;line-height:1.95}.hero-actions{display:flex;gap:12px;margin-top:30px}.hero-note{display:flex;align-items:center;gap:8px;margin-top:22px;color:#7894b4;font-size:12px}.hero-note span{width:7px;height:7px;border-radius:50%;background:#53e0a6;box-shadow:0 0 14px #53e0a6}
.hero-preview{position:relative;padding:1px;border-radius:24px;background:linear-gradient(145deg,rgba(75,173,255,.5),rgba(32,73,144,.2),rgba(0,218,255,.28));box-shadow:0 35px 90px rgba(0,0,0,.45),0 0 34px rgba(0,143,255,.12)}.hero-preview:before{content:'';position:absolute;inset:0;border-radius:24px;background:rgba(7,18,34,.96)}.preview-top,.preview-body{position:relative}.preview-top{display:flex;align-items:center;gap:7px;height:46px;padding:0 16px;border-bottom:1px solid rgba(96,151,218,.18)}.preview-top small{margin-left:10px;color:#6f87a5;font-size:10px}.dot{width:8px;height:8px;border-radius:50%}.red{background:#ff6b78}.yellow{background:#ffca68}.green{background:#58dda4}.preview-body{padding:20px}.preview-toolbar{display:flex;justify-content:space-between;color:#dbeaff;font-size:13px;font-weight:900}.preview-pill{padding:4px 8px;border-radius:999px;background:rgba(59,171,255,.12);color:#62d5ff;font-size:9px}.preview-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:17px 0}.preview-metrics div{padding:12px;border:1px solid rgba(91,145,201,.18);border-radius:13px;background:linear-gradient(145deg,rgba(25,55,91,.8),rgba(9,24,43,.86))}.preview-metrics small{display:block;color:#7e99b9;font-size:9px}.preview-metrics strong{display:block;margin-top:4px;color:#fff;font-size:22px}.preview-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.preview-column{display:grid;gap:8px;padding:12px;border:1px solid rgba(82,142,208,.18);border-radius:13px;background:rgba(10,25,44,.75)}.preview-column b{color:#82a8d1;font-size:10px}.preview-column i{display:block;height:36px;border:1px solid rgba(89,151,219,.16);border-radius:8px;background:linear-gradient(145deg,rgba(30,62,99,.75),rgba(12,29,50,.9))}.preview-column.accent{border-color:rgba(65,190,255,.4);background:rgba(18,63,105,.45)}
.trust-strip{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 34px;padding:18px 24px;border-top:1px solid rgba(80,132,196,.14);border-bottom:1px solid rgba(80,132,196,.14);background:rgba(7,18,33,.75);color:#7f9dbf;font-size:12px}.trust-strip span:before{content:'◆';margin-right:9px;color:#2fc8ff;font-size:8px}
.section{max-width:1320px;margin:0 auto;padding:105px 24px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:38px}.section-head.narrow{max-width:820px}.section h2{margin:14px 0 12px;font-size:clamp(29px,3.6vw,46px);letter-spacing:-.04em}.section-head p{max-width:720px;margin:0;color:#8da6c4;line-height:1.9}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature-card{position:relative;min-height:235px;padding:26px;overflow:hidden;border:1px solid rgba(83,142,205,.19);border-radius:19px;background:linear-gradient(145deg,rgba(18,43,73,.85),rgba(8,22,40,.92));transition:.25s}.feature-card:after{content:'';position:absolute;right:-42px;top:-42px;width:120px;height:120px;border:1px solid rgba(255,255,255,.08);border-radius:50%}.feature-card:hover{transform:translateY(-5px);border-color:rgba(62,190,255,.55);box-shadow:0 20px 42px rgba(7,62,130,.22)}.feature-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;font-size:11px;font-weight:900}.feature-card h3{margin:24px 0 10px;font-size:19px}.feature-card p{margin:0;color:#87a2c0;font-size:13px;line-height:1.85}.blue{border-top-color:#3788ff}.cyan{border-top-color:#20d2e6}.green{border-top-color:#35c88e}.violet{border-top-color:#9b70ff}.amber{border-top-color:#f1b541}.rose{border-top-color:#fb6684}
.workflow-section{padding:95px 24px;background:linear-gradient(180deg,rgba(7,19,35,.88),rgba(6,14,26,.88));border-top:1px solid rgba(80,132,196,.13);border-bottom:1px solid rgba(80,132,196,.13)}.workflow-section>.section-head{max-width:1320px;margin-left:auto;margin-right:auto}.workflow-line{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;max-width:1320px;margin:0 auto}.workflow-line div{position:relative;display:grid;gap:7px;min-height:135px;padding:20px 17px;border:1px solid rgba(79,139,204,.18);border-radius:15px;background:rgba(11,29,51,.72)}.workflow-line div:not(:last-child):after{content:'→';position:absolute;right:-11px;top:55px;color:#2fc8ff;font-weight:900}.workflow-line b{color:#2fc8ff;font-size:11px}.workflow-line strong{font-size:14px}.workflow-line span{color:#708ba9;font-size:11px;line-height:1.6}
.tool-section{background:radial-gradient(circle at 88% 0%,rgba(33,120,255,.12),transparent 35%)}.tool-grid{display:grid;grid-template-columns:1.08fr 1.08fr .84fr;gap:14px}.tool-card{display:flex;flex-direction:column;padding:28px;border:1px solid rgba(89,151,213,.25);border-radius:20px;background:linear-gradient(145deg,rgba(22,50,83,.9),rgba(8,22,41,.94));box-shadow:0 18px 45px rgba(0,0,0,.18)}.tool-card h3{margin:14px 0 12px;font-size:22px}.tool-card p{margin:0 0 18px;color:#92abc8;font-size:13px;line-height:1.85}.tool-card ul{display:grid;gap:10px;margin:auto 0 0;padding:0;list-style:none;color:#c5d8ec;font-size:12px;line-height:1.6}.tool-card li:before{content:'✓';margin-right:8px;color:#52e2a8;font-weight:900}.tool-badge{display:inline-flex;padding:5px 8px;border-radius:999px;background:rgba(54,157,255,.15);color:#6bd3ff;font-size:10px;font-weight:900}.text-link{color:#5ed9ff;font-size:13px;font-weight:900}.tool-card.system-link{background:linear-gradient(145deg,rgba(31,60,97,.92),rgba(9,24,45,.95))}
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.audience-grid article{padding:31px;border:1px solid rgba(79,139,204,.18);border-radius:18px;background:rgba(10,26,46,.7)}.audience-number{color:#2fc8ff;font-size:12px;font-weight:900}.audience-grid h3{margin:18px 0 10px;font-size:20px}.audience-grid p{margin:0;color:#8ca5c1;font-size:13px;line-height:1.85}
.security-section{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px;max-width:1320px;margin:0 auto;padding:75px 24px;border-top:1px solid rgba(80,132,196,.13);border-bottom:1px solid rgba(80,132,196,.13)}.security-copy h2{margin:14px 0 12px;font-size:35px}.security-copy p{margin:0;color:#8ca5c1;line-height:1.85}.security-points{display:flex;flex-wrap:wrap;gap:10px}.security-points span{padding:12px 15px;border:1px solid rgba(63,181,255,.25);border-radius:10px;background:rgba(25,85,146,.15);color:#a9dcff;font-size:12px}
.contact-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;max-width:1120px;margin:0 auto;padding:110px 24px}.contact-copy h2{margin:16px 0 14px;font-size:40px;line-height:1.25}.contact-copy>p{color:#8ca5c1;line-height:1.9}.contact-info-cards{display:grid;gap:9px;margin:25px 0}.contact-info-cards div{padding:12px 14px;border:1px solid rgba(68,160,245,.24);border-radius:11px;background:rgba(17,55,94,.34);color:#c8ddf3;font-size:13px}.contact-info-cards strong{margin-left:8px;color:#fff}.contact-site{margin-top:16px;color:#6f8eae;font-size:12px}.contact-site strong{color:#5ed9ff}.contact-form{display:grid;gap:14px;padding:28px;border:1px solid rgba(83,151,219,.28);border-radius:20px;background:rgba(11,29,51,.84);box-shadow:0 25px 70px rgba(0,0,0,.3)}.contact-form label{display:grid;gap:7px;color:#afc4dc;font-size:12px;font-weight:800}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact-form input,.contact-form select,.contact-form textarea{width:100%;min-height:44px;padding:10px 12px;border:1px solid #2c527d;border-radius:10px;outline:none;background:#07182b;color:#eaf5ff}.contact-form textarea{resize:vertical}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:#2fc8ff;box-shadow:0 0 0 3px rgba(47,200,255,.12)}.hp-field{position:absolute!important;left:-9999px!important}.contact-result{min-height:20px;margin:0;color:#76d9ff;font-size:12px}
footer{display:flex;justify-content:space-between;align-items:center;gap:20px;max-width:1320px;margin:0 auto;padding:28px 24px 45px;border-top:1px solid rgba(80,132,196,.13);color:#6f8aa8}footer>div{display:flex;align-items:center;gap:10px}footer img{width:34px;height:34px}footer span{display:grid}footer strong{color:#d8e9fb;font-size:13px}footer small,footer p{font-size:11px;margin:0}
@media(max-width:1050px){.hero{grid-template-columns:1fr;min-height:auto}.hero-preview{max-width:760px}.feature-grid{grid-template-columns:1fr 1fr}.tool-grid{grid-template-columns:1fr 1fr}.workflow-line{grid-template-columns:repeat(3,1fr)}.workflow-line div:nth-child(3):after{display:none}}
@media(max-width:760px){.hero h1{font-size:38px;line-height:1.16}.hero h1 em{white-space:normal}.site-header{padding:13px 15px;gap:12px}.site-nav{display:none}.header-actions .btn.ghost{display:none}.hero{padding:55px 16px 70px}.hero h1{font-size:42px}.hero-actions{flex-direction:column;align-items:stretch}.hero-preview{padding:1px}.preview-columns{grid-template-columns:1fr}.preview-column:nth-child(n+3){display:none}.section{padding:72px 16px}.feature-grid,.tool-grid,.audience-grid,.security-section,.contact-section{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.workflow-section{padding:70px 16px}.workflow-line{grid-template-columns:1fr 1fr}.workflow-line div:nth-child(even):after{display:none}.contact-section{gap:35px;padding:75px 16px}.contact-form{padding:20px}.form-row{grid-template-columns:1fr}.security-section{gap:22px;padding:55px 16px}footer{align-items:flex-start;flex-direction:column}.site-brand small{display:none}}
.hero-copy{min-width:0}

.contact-wechat-card{display:flex;align-items:center;gap:18px;width:min(430px,100%);margin:22px 0;padding:14px;border:1px solid rgba(83,151,219,.3);border-radius:16px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(239,247,255,.96));box-shadow:0 18px 42px rgba(0,0,0,.22)}
.contact-wechat-card img{display:block;width:168px;height:auto;border-radius:11px;background:#fff;box-shadow:0 6px 18px rgba(40,80,130,.14)}
.contact-wechat-card strong{display:block;color:#12335d;font-size:15px}
.contact-wechat-card p{margin:7px 0 0;color:#5f7591;font-size:12px;line-height:1.7}
@media(max-width:760px){.contact-wechat-card{width:100%;align-items:flex-start}.contact-wechat-card img{width:138px}}
/* ===== 悬浮免费体验按钮 ===== */
.float-cta{position:fixed;right:22px;bottom:26px;z-index:80;display:flex;align-items:center;gap:12px;padding:13px 20px 13px 16px;border:0;border-radius:999px;background:linear-gradient(135deg,#18c9ff,#2876ff 55%,#4c5cff);color:#fff;cursor:pointer;box-shadow:0 16px 44px rgba(25,129,255,.46),0 0 0 1px rgba(120,200,255,.35) inset;animation:floatCtaIn .55s cubic-bezier(.2,.9,.3,1.2) both}
.float-cta:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 22px 54px rgba(25,129,255,.6),0 0 0 1px rgba(160,220,255,.5) inset}
.float-cta.hidden{display:none}
.float-cta-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.2);font-size:19px;animation:floatCtaPulse 2.4s ease-in-out infinite}
.float-cta-text{display:grid;gap:1px;text-align:left}
.float-cta-text strong{font-size:15px;font-weight:900;letter-spacing:.02em}
.float-cta-text small{font-size:11px;opacity:.9}
.float-cta-close{position:absolute;top:-8px;right:-6px;width:22px;height:22px;border:0;border-radius:50%;background:#0b1b30;color:#7f9ec2;font-size:13px;line-height:1;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.4)}
.float-cta-close:hover{color:#fff;background:#1b3355}
@keyframes floatCtaIn{from{opacity:0;transform:translateY(26px) scale(.9)}to{opacity:1;transform:none}}
@keyframes floatCtaPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}

/* 小屏：底部通栏 */
@media(max-width:760px){
  .float-cta{left:12px;right:12px;bottom:12px;justify-content:center;padding:12px 16px;border-radius:16px}
  .float-cta-icon{width:34px;height:34px;font-size:17px}
  .float-cta-text strong{font-size:14px}
  body{padding-bottom:78px}
}

/* ===== Hero 免费体验徽标 ===== */
.hero-trial-badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:7px 14px;border:1px solid rgba(90,214,255,.42);border-radius:999px;background:linear-gradient(135deg,rgba(24,201,255,.16),rgba(76,92,255,.16));color:#8fe4ff;font-size:12px;font-weight:800;letter-spacing:.02em}
.hero-trial-badge i{width:7px;height:7px;border-radius:50%;background:#3ee6a0;box-shadow:0 0 10px #3ee6a0;font-style:normal}
.btn.large{min-height:52px;padding:0 30px;font-size:15px;border-radius:12px}

/* ===== 免费体验区块 ===== */
.trial-section{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;max-width:1320px;margin:0 auto;padding:70px 24px}
.trial-section:before{content:'';position:absolute;inset:18px 0;border-radius:26px;background:linear-gradient(135deg,rgba(24,201,255,.09),rgba(76,92,255,.06));border:1px solid rgba(90,160,240,.22);pointer-events:none}
.trial-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;grid-column:1/-1;padding:44px 40px}
.trial-copy h2{margin:14px 0 12px;font-size:34px;line-height:1.25}
.trial-copy h2 em{font-style:normal;background:linear-gradient(135deg,#18c9ff,#4c5cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.trial-copy p{margin:0 0 22px;color:#9db4d0;font-size:14px;line-height:1.95}
.trial-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.trial-note{color:#7f97b5;font-size:12px}
.trial-list{display:grid;gap:12px}
.trial-item{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid rgba(80,140,210,.22);border-radius:14px;background:rgba(9,22,40,.7)}
.trial-item b{display:block;color:#e8f2ff;font-size:14px;margin-bottom:3px}
.trial-item span{color:#8ba4c2;font-size:12px;line-height:1.7}
.trial-item i{flex:0 0 auto;display:grid;place-items:center;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#18c9ff,#2876ff);color:#fff;font-size:13px;font-style:normal;font-weight:900}
@media(max-width:900px){.trial-inner{grid-template-columns:1fr;padding:30px 22px;gap:26px}.trial-copy h2{font-size:26px}}

.float-cta{transition:transform .28s ease,opacity .28s ease,box-shadow .2s ease}
.float-cta.hidden-by-section{opacity:0;transform:translateY(24px);pointer-events:none}

/* ==========================================================
   首页 v3 · 科技感视觉层
   ========================================================== */

/* ---- 背景：粒子网格 + 极光 ---- */
.bg-canvas{position:fixed;inset:0;z-index:-2;width:100%;height:100%;pointer-events:none;opacity:.75}
.aurora{position:fixed;inset:0;z-index:-3;overflow:hidden;pointer-events:none}
.aurora i{position:absolute;display:block;border-radius:50%;filter:blur(80px);opacity:.5;animation:auroraDrift 22s ease-in-out infinite}
.aurora i:nth-child(1){width:520px;height:520px;left:-120px;top:-80px;background:radial-gradient(circle,#1d66ff,transparent 70%)}
.aurora i:nth-child(2){width:460px;height:460px;right:-140px;top:120px;background:radial-gradient(circle,#00d8ff,transparent 70%);animation-delay:-7s}
.aurora i:nth-child(3){width:600px;height:600px;left:35%;bottom:-260px;background:radial-gradient(circle,#4c5cff,transparent 70%);animation-delay:-13s;opacity:.35}
@keyframes auroraDrift{0%,100%{transform:translate3d(0,0,0) scale(1)}33%{transform:translate3d(40px,-30px,0) scale(1.08)}66%{transform:translate3d(-30px,30px,0) scale(.95)}}
main,header,footer,.float-cta{position:relative;z-index:1}

/* ---- 滚动进场 ---- */
/* 默认全部可见；JS 就绪后才启用进场动画，避免脚本失效时内容永久隐藏 */
.reveal-ready [data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s cubic-bezier(.2,.8,.2,1)}
.reveal-ready [data-reveal].revealed{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal-ready [data-reveal]{opacity:1;transform:none;transition:none}.aurora i{animation:none}}

.grad{background:linear-gradient(135deg,#18c9ff,#4c5cff);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---- Hero v2 ---- */
.hero-v2{min-height:auto;padding-top:70px;padding-bottom:76px}
.hero-v2 h1{font-size:54px;line-height:1.16;letter-spacing:-.02em}
.hero-v2 h1 em{background:linear-gradient(135deg,#18c9ff,#6c8bff 55%,#a06bff);-webkit-background-clip:text;background-clip:text;color:transparent}
@media(max-width:1050px){.hero-v2 h1{font-size:40px}}
@media(max-width:760px){.hero-v2 h1{font-size:30px}}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-points span{display:grid;gap:2px;padding:10px 14px;border:1px solid rgba(80,140,210,.24);border-radius:12px;background:rgba(9,22,40,.62);color:#8ba4c2;font-size:11px}
.hero-points b{color:#cfe4ff;font-size:12px}

.hero-preview-v2{position:relative}
.preview-live{display:inline-flex;align-items:center;gap:6px;margin-left:auto;padding:3px 9px;border-radius:999px;background:rgba(62,230,160,.14);color:#3ee6a0;font-size:10px;font-weight:800}
.preview-live i{width:6px;height:6px;border-radius:50%;background:#3ee6a0;box-shadow:0 0 8px #3ee6a0;animation:livePulse 1.6s ease-in-out infinite}
@keyframes livePulse{0%,100%{opacity:1}50%{opacity:.35}}
.preview-scan{position:absolute;left:0;right:0;top:0;height:38%;background:linear-gradient(180deg,transparent,rgba(90,200,255,.13),transparent);animation:scanMove 4.5s linear infinite;pointer-events:none}
@keyframes scanMove{0%{transform:translateY(-40%)}100%{transform:translateY(280%)}}
.preview-metrics strong{font-variant-numeric:tabular-nums}

/* ---- 数字条 ---- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;max-width:1320px;margin:0 auto;padding:0 24px 10px}
.stat-item{display:grid;gap:6px;padding:22px 20px;border:1px solid rgba(80,140,210,.18);border-radius:16px;background:linear-gradient(150deg,rgba(13,28,50,.78),rgba(8,18,32,.7));margin-right:12px}
.stat-item:last-child{margin-right:0}
.stat-item strong{font-size:30px;font-weight:900;background:linear-gradient(135deg,#18c9ff,#4c5cff);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-item span{color:#8299b6;font-size:12px;line-height:1.7}
@media(max-width:900px){.stat-strip{grid-template-columns:repeat(2,1fr)}.stat-item{margin-right:0}}
@media(max-width:560px){.stat-strip{grid-template-columns:1fr}}

/* ---- 区块标题居中 ---- */
.section-head.center{display:grid;justify-items:center;text-align:center;gap:8px;max-width:760px;margin:0 auto 34px}
.section-head.center h2{margin:8px 0 6px}
.section-head.center p{margin:0;color:#9db4d0;font-size:14px;line-height:1.9}

/* ---- 以前 / 现在 ---- */
.compare-section{padding-top:40px}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:1150px;margin:0 auto}
@media(max-width:820px){.compare-grid{grid-template-columns:1fr}}
.compare-col{padding:24px 24px 20px;border-radius:18px;border:1px solid rgba(120,140,170,.22);background:rgba(10,20,35,.72)}
.compare-col.before{border-color:rgba(200,90,110,.26);background:linear-gradient(160deg,rgba(50,20,30,.5),rgba(12,18,30,.7))}
.compare-col.after{border-color:rgba(62,230,160,.28);background:linear-gradient(160deg,rgba(12,50,40,.45),rgba(10,20,35,.72));box-shadow:0 22px 60px rgba(20,120,90,.16)}
.compare-head{display:flex;align-items:center;gap:10px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid rgba(120,140,170,.18)}
.compare-head span{padding:3px 10px;border-radius:999px;font-size:11px;font-weight:900}
.compare-col.before .compare-head span{background:rgba(200,90,110,.18);color:#ff9eac}
.compare-col.after .compare-head span{background:rgba(62,230,160,.18);color:#3ee6a0}
.compare-head strong{font-size:15px;color:#e8f2ff}
.compare-col ul{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.compare-col li{position:relative;padding-left:26px;color:#9db4d0;font-size:13px;line-height:1.8}
.compare-col li:before{position:absolute;left:0;top:0;font-size:13px;font-weight:900}
.compare-col.before li:before{content:'✕';color:#e5646f}
.compare-col.after li:before{content:'✓';color:#3ee6a0}

/* ---- 三大核心能力 ---- */
.core-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:1000px){.core-grid{grid-template-columns:1fr}}
.core-card{position:relative;padding:26px 24px;border:1px solid rgba(80,140,210,.2);border-radius:18px;background:linear-gradient(165deg,rgba(15,30,54,.9),rgba(9,18,32,.86));overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.core-card:before{content:'';position:absolute;inset:0;background:radial-gradient(600px circle at 50% -20%,rgba(40,118,255,.18),transparent 60%);opacity:0;transition:opacity .3s ease}
.core-card:hover{transform:translateY(-4px);border-color:rgba(94,217,255,.45);box-shadow:0 26px 60px rgba(15,60,120,.4)}
.core-card:hover:before{opacity:1}
.core-card.accent{border-color:rgba(94,217,255,.3)}
.core-index{display:inline-block;margin-bottom:14px;padding:4px 12px;border-radius:999px;background:linear-gradient(135deg,rgba(24,201,255,.2),rgba(76,92,255,.2));color:#8fe4ff;font-size:11px;font-weight:900;letter-spacing:.1em}
.core-card h3{margin:0 0 10px;font-size:19px;color:#edf4ff}
.core-card > p{margin:0 0 16px;color:#93abca;font-size:13px;line-height:1.9}
.core-list{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.core-list li{position:relative;padding-left:20px;color:#a9c0dc;font-size:12px;line-height:1.75}
.core-list li:before{content:'';position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,#18c9ff,#4c5cff)}
.more-capabilities{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:22px;padding:16px 18px;border:1px dashed rgba(80,140,210,.3);border-radius:14px;background:rgba(9,20,36,.5)}
.more-capabilities strong{color:#8fe4ff;font-size:12px;margin-right:4px}
.more-capabilities span{padding:5px 11px;border-radius:999px;background:rgba(40,90,160,.18);color:#9db4d0;font-size:11px;font-weight:700}

/* ---- FAQ ---- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:1150px;margin:0 auto}
@media(max-width:860px){.faq-grid{grid-template-columns:1fr}}
.faq-item{border:1px solid rgba(80,140,210,.2);border-radius:14px;background:rgba(11,23,40,.72);overflow:hidden;transition:border-color .22s ease,background .22s ease}
.faq-item:hover{border-color:rgba(94,217,255,.36);background:rgba(13,28,50,.8)}
.faq-item summary{display:flex;align-items:center;gap:12px;padding:16px 18px;cursor:pointer;color:#e2eefc;font-size:13px;font-weight:800;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:'+';margin-left:auto;color:#5ed9ff;font-size:18px;font-weight:900;transition:transform .22s ease}
.faq-item[open] summary:after{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 18px 18px;color:#93abca;font-size:12.5px;line-height:1.95}

/* ---- 工作流发光升级 ---- */
.workflow-line{position:relative}
.workflow-line > div{position:relative;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.workflow-line > div:hover{transform:translateY(-4px);border-color:rgba(94,217,255,.45);box-shadow:0 20px 46px rgba(15,60,120,.42)}

/* ---- 按钮/卡片通用辉光 ---- */
.btn.primary{position:relative;overflow:hidden}
.btn.primary:after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.32),transparent 70%);transform:translateX(-120%);transition:transform .6s ease}
.btn.primary:hover:after{transform:translateX(120%)}

.footer-legal{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin:8px 0 0!important}.footer-legal a{color:inherit;opacity:.72}.footer-legal a:hover{opacity:1;color:#fff}