*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.site-body{font-family:'DM Sans', system-ui, sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none}
.site-wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.site-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border-radius:var(--radius);font-weight:600;font-size:.95rem;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer}
.site-btn:hover{transform:translateY(-1px)}
.site-btn--primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(var(--rgb),.35)}
.site-btn--primary:hover{background:var(--primary-dark)}
.site-btn--outline{border:2px solid currentColor;background:transparent}
.site-btn--sm{padding:10px 20px;font-size:.875rem}
.site-btn--ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.25)}
.tag{display:inline-block;padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:600;background:rgba(var(--rgb),.1);color:var(--primary);margin-right:6px}

:root{--primary:#7c3aed;--primary-dark:#6d28d9;--navy:#1e1b4b;--gradient:linear-gradient(135deg, #1e1b4b 0%, #3730a3 50%, #1a1440 100%);--rgb:124, 58, 237;--radius:14px;--wrap:1140px;--nav-h:80px}
body.site-body--ipr{color:#e2e8f0;background:#0f0a1e}
/* 导航：浮动胶囊 */
.ipr-header{position:fixed;top:16px;left:0;right:0;z-index:1000;padding:0 16px}
.ipr-header__pill{display:flex;align-items:center;justify-content:space-between;background:rgba(30,27,75,.75);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.1);border-radius:50px;padding:10px 10px 10px 20px}
.ipr-header.is-scrolled .ipr-header__pill{background:rgba(30,27,75,.95);box-shadow:0 8px 32px rgba(0,0,0,.4)}
.ipr-logo{display:flex;align-items:center;gap:8px;font-weight:700;color:#fff}
.ipr-nav{display:flex;align-items:center;gap:2px}
.ipr-nav a{padding:8px 14px;font-size:.85rem;color:#c4b5fd;border-radius:30px;transition:background .2s}
.ipr-nav a:hover,.ipr-nav a.is-active{background:rgba(255,255,255,.1);color:#fff}
.ipr-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.ipr-toggle span{width:20px;height:2px;background:#fff;border-radius:2px}
/* Hero 全屏居中 */
.ipr-hero{min-height:100vh;display:flex;align-items:center;text-align:center;padding:120px 24px 80px;background:var(--gradient)}
.ipr-hero h1{font-size:clamp(2.2rem,5.5vw,3.5rem);font-weight:800;line-height:1.1;margin-bottom:20px}
.ipr-hero h1 em{font-style:normal;background:linear-gradient(90deg,#a78bfa,#e879f9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.ipr-hero .lead{max-width:700px;margin:0 auto 32px;font-size:1.1rem;color:#c4b5fd;line-height:1.7}
.ipr-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:36px}
.ipr-chips span{padding:10px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);font-size:.85rem}
.ipr-chips strong{display:block;font-size:1rem;color:#fff}
/* 定价暗色横条 */
.ipr-pricing{padding:80px 0;background:#1a1440}
.ipr-pricing__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ipr-plan{padding:28px 20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);text-align:center}
.ipr-plan.hot{border-color:var(--primary);background:rgba(124,58,237,.15)}
.ipr-plan .price{font-size:2rem;font-weight:800;color:#fff}
/* 产品网格 */
.ipr-prods{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ipr-prod{padding:24px;background:#1e1b4b;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);transition:transform .2s}
.ipr-prod:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.4)}
.ipr-prod .ico{font-size:1.8rem;margin-bottom:12px}
.ipr-prod h3{color:#fff;font-size:1rem;margin-bottom:8px}
.ipr-prod p{font-size:.85rem;color:#94a3b8}
/* 关于：紫色统计带 */
.ipr-about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:48px}
.ipr-about-stats div{padding:24px;background:linear-gradient(135deg,#312e81,#1e1b4b);border-radius:var(--radius);text-align:center}
.ipr-about-stats strong{display:block;font-size:1.8rem;color:#a78bfa}
.ipr-zigzag .block{padding:56px 0}
.ipr-zigzag .row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ipr-zigzag .row:nth-child(even) .text{order:2}
.ipr-zigzag .row:nth-child(even) .img{order:1}
/* 产品页：Tab */
.ipr-tabs{display:flex;gap:8px;margin-bottom:32px;flex-wrap:wrap}
.ipr-tabs button{padding:10px 20px;border-radius:30px;background:rgba(255,255,255,.06);color:#c4b5fd;font-weight:600;font-size:.875rem}
.ipr-tabs button.is-active{background:var(--primary);color:#fff}
.ipr-panel{display:none;padding:32px;background:#1e1b4b;border-radius:var(--radius);border:1px solid rgba(255,255,255,.08)}
.ipr-panel.is-active{display:block}
/* 联系：左右分栏 */
.ipr-contact{display:grid;grid-template-columns:.42fr .58fr;min-height:480px;border-radius:var(--radius);overflow:hidden}
.ipr-contact__dark{background:var(--gradient);padding:48px;display:flex;flex-direction:column;justify-content:center}
.ipr-contact__light{background:#fff;padding:48px;color:#1e293b}
.ipr-contact__light label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:#475569}
.ipr-contact__light input,.ipr-contact__light textarea{width:100%;padding:12px;border:1px solid #e2e8f0;border-radius:8px;margin-bottom:14px;font:inherit}
/* 博客：列表行 */
.ipr-blog-list article{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.ipr-blog-list img{width:200px;height:130px;object-fit:cover;border-radius:var(--radius)}
.ipr-blog-list h3{font-size:1.1rem;color:#fff;margin-bottom:8px}
.ipr-blog-list p{font-size:.9rem;color:#94a3b8}
.ipr-blog-list .date{font-size:.8rem;color:#7c3aed;margin-bottom:6px}
/* 通用 */
.ipr-section{padding:72px 0}
.ipr-head{text-align:center;max-width:640px;margin:0 auto 40px}
.ipr-head h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;color:#fff;margin-bottom:10px}
.ipr-head p{color:#94a3b8}
.ipr-page{padding:140px 24px 56px;text-align:center;background:var(--gradient)}
.ipr-page h1{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:800}
.ipr-page p{margin-top:12px;color:#c4b5fd}
.ipr-cta{padding:56px 0;text-align:center;background:linear-gradient(90deg,#6d28d9,#7c3aed)}
.ipr-article{max-width:720px;margin:0 auto;padding:48px 24px 80px;color:#cbd5e1}
.ipr-article h3{color:#fff;margin:24px 0 10px}
.ipr-article p{margin-bottom:14px;line-height:1.8}
.ipr-article code{background:#312e81;padding:2px 6px;border-radius:4px}
.ipr-footer{border-top:1px solid rgba(124,58,237,.3);padding:40px 0 24px;background:#0a0612}
.ipr-footer__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.ipr-footer__links{display:flex;gap:20px;font-size:.875rem}
.ipr-footer__links a{color:#94a3b8}
.ipr-footer__links a:hover{color:#a78bfa}
.ipr-footer__desc{font-size:.85rem;color:#64748b;line-height:1.7;max-width:800px;margin-bottom:20px}
.ipr-footer__bar{display:flex;justify-content:space-between;font-size:.8rem;color:#475569;padding-top:16px;border-top:1px solid rgba(255,255,255,.06)}
@media(max-width:1024px){.ipr-prods,.ipr-pricing__grid,.ipr-about-stats{grid-template-columns:repeat(2,1fr)}.ipr-zigzag .row,.ipr-contact{grid-template-columns:1fr}.ipr-blog-list article{grid-template-columns:1fr}}
@media(max-width:768px){
.site-nav__toggle{display:flex}
.site-nav__menu{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;padding:16px;gap:4px;transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform .3s,opacity .3s}
.site-nav__menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
}
@media(max-width:768px){.ipr-toggle{display:flex}.ipr-nav{position:fixed;top:80px;left:16px;right:16px;background:#1e1b4b;border-radius:16px;padding:16px;flex-direction:column}.ipr-prods,.ipr-pricing__grid,.ipr-about-stats{grid-template-columns:1fr}}

/* 滚动渐入 */
.anim-reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.anim-reveal.is-visible{opacity:1;transform:translateY(0)}
.anim-reveal-left{opacity:0;transform:translateX(-32px);transition:opacity .7s ease,transform .7s ease}
.anim-reveal-left.is-visible{opacity:1;transform:translateX(0)}
.anim-reveal-right{opacity:0;transform:translateX(32px);transition:opacity .7s ease,transform .7s ease}
.anim-reveal-right.is-visible{opacity:1;transform:translateX(0)}
/* Hero 图浮动 */
.anim-float{animation:siteFloat 5s ease-in-out infinite}
@keyframes siteFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
/* 网络节点脉冲 */
.anim-pulse{animation:sitePulse 3s ease-in-out infinite}
@keyframes sitePulse{0%,100%{box-shadow:0 0 0 0 rgba(var(--rgb),.25)}50%{box-shadow:0 0 0 12px rgba(var(--rgb),0)}}
/* 统计数字弹入 */
.anim-stat{animation:statPop .6s ease backwards}
@keyframes statPop{from{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}
/* 卡片悬停光晕 */
.anim-card{transition:transform .3s ease,box-shadow .3s ease}
.anim-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(var(--rgb),.15)}
/* 图片容器 */
.site-img{border-radius:var(--radius);overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,.1)}
.site-img img,.site-img svg{width:100%;height:auto;display:block}
/* 按钮涟漪感 */
.site-btn{position:relative;overflow:hidden}
.site-btn::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);transform:translateX(-100%);transition:transform .5s}
.site-btn:hover::after{transform:translateX(100%)}
/* 应用场景卡片（四站首页复用） */
.site-usecase{padding:20px;background:#fff;border:1px solid #e2e8f0;border-radius:12px}
.site-usecase .ico{font-size:1.5rem;margin-bottom:8px;display:block}
.site-usecase h4{font-weight:700;margin-bottom:6px;font-size:.95rem}
.site-usecase p{font-size:.85rem;color:#64748b;line-height:1.6}
/* 产品要点列表 */
.site-bullets{list-style:none;padding:0;margin:0}
.site-bullets li{padding:4px 0;font-size:.9rem;line-height:1.5}
/* 减动画偏好 */
@media(prefers-reduced-motion:reduce){.anim-float,.anim-pulse,.anim-stat{animation:none}.anim-reveal,.anim-reveal-left,.anim-reveal-right{opacity:1;transform:none}}