@charset "utf-8";
/*
    Theme Name: emochi AI官网
    Theme URI: 
    Author: 阿叶
    Author URI: 
    Description:
    Version: 0.0.1
*/
*{margin:0;padding:0;box-sizing:border-box}
:root{
    --em-ac:#fefc00;--em-ac-h:#fff9b0;--em-ac-a:#f5f200;
    --em-ac-10:rgba(254,252,0,.1);--em-ac-20:rgba(254,252,0,.2);--em-ac-30:rgba(254,252,0,.3);
    --em-bk:#0a0a0a;--em-bk2:#141414;--em-bk3:#1e1e1e;--em-bk4:#2a2a2a;
    --em-wt:#ffffff;--em-wt2:#f5f5f5;--em-wt3:#e0e0e0;--em-wt4:#999999;
    --em-kd:1280px;
}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC',-apple-system,sans-serif;background:var(--em-bk);color:var(--em-wt);overflow-x:hidden;line-height:1.6}

/* ===== 导航 ===== */
.em-nv{position:fixed;top:0;left:0;right:0;z-index:1000;padding:1.25rem 0;border-bottom:1px solid var(--em-bk4);transition:all .3s}
.em-nv.em-nv-gd{background:rgba(10,10,10,.92);backdrop-filter:blur(12px)}
.em-nv .em-ct{display:flex;justify-content:space-between;align-items:center}
.em-nv-logo{display:flex;align-items:center;gap:.5rem;text-decoration:none;font-weight:700;font-size:1.2rem;color:var(--em-wt)}
.em-nv-logo img{width:42px;height:42px}
.em-nv-mn{display:flex;gap:2.5rem;list-style:none}
.em-nv-mn a{text-decoration:none;color:var(--em-wt4);font-size:.9rem;font-weight:500;transition:color .2s}
.em-nv-mn a:hover{color:var(--em-wt)}
.em-nv-bn{background:var(--em-ac);color:var(--em-bk);padding:.6rem 1.5rem;border-radius:0;font-size:.85rem;font-weight:700;text-decoration:none;transition:all .2s;text-transform:uppercase;letter-spacing:.03em}
.em-nv-bn:hover{background:var(--em-wt);transform:translateY(-1px)}

/* ===== 通用 ===== */
.em-ct{max-width:var(--em-kd);margin:0 auto;padding:0 2rem;position:relative;z-index:1}
.em-tg{display:inline-flex;align-items:center;gap:.5rem;background:var(--em-ac);color:var(--em-bk);padding:.4rem 1rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1.25rem}
.em-tg i{font-size:.85rem}
.em-tl{font-size:clamp(2rem,4vw,3rem);font-weight:900;margin-bottom:.75rem;letter-spacing:-.02em;line-height:1.1}
.em-ds{color:var(--em-wt4);font-size:1.05rem;max-width:520px;line-height:1.7}
.em-zj{text-align:center}
.em-zj .em-ds{margin:0 auto}

/* ===== HERO ===== */
.em-hr{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:100px 0;position:relative;overflow:hidden;background:var(--em-bk)}

/* 粒子画布 */
.em-hr-pc{position:absolute;inset:0;z-index:0}

/* 大背景字 */
.em-hr-bg{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:clamp(8rem,18vw,20rem);font-weight:900;color:var(--em-ac);opacity:.03;letter-spacing:.1em;pointer-events:none;white-space:nowrap;z-index:0}

/* 内容容器 */
.em-hr .em-ct{position:relative;z-index:2;text-align:center;max-width:900px}

/* 标签 */
.em-hr-tg{display:inline-flex;align-items:center;gap:.5rem;background:var(--em-ac);color:var(--em-bk);padding:.5rem 1.25rem;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:2rem;position:relative}
.em-hr-tg::before,.em-hr-tg::after{content:'';position:absolute;width:8px;height:8px;background:var(--em-bk)}
.em-hr-tg::before{top:-4px;left:-4px}
.em-hr-tg::after{bottom:-4px;right:-4px}

/* 主标题 */
.em-hr h1{font-size:clamp(3rem,8vw,5.5rem);font-weight:900;line-height:1;margin-bottom:1.5rem;letter-spacing:-.04em}
.em-hr h1 .em-ac{color:var(--em-ac);position:relative;display:inline-block}
.em-hr h1 .em-ac::after{content:'';position:absolute;bottom:.1em;left:0;right:0;height:.12em;background:var(--em-ac);transform:skewX(-12deg)}

/* 副标题 */
.em-hr-ds{color:var(--em-wt3);font-size:clamp(1.1rem,2vw,1.35rem);line-height:1.8;margin-bottom:2.5rem;max-width:600px;margin-left:auto;margin-right:auto;font-weight:300}

/* 按钮组 */
.em-hr-bn{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.em-bn{display:inline-flex;align-items:center;gap:.6rem;padding:1.1rem 2.2rem;font-weight:700;font-size:.95rem;text-decoration:none;transition:all .25s cubic-bezier(.4,0,.2,1);cursor:pointer;border:none;position:relative;overflow:hidden}
.em-bn-py{background:var(--em-ac);color:var(--em-bk)}
.em-bn-py::before{content:'';position:absolute;inset:0;background:var(--em-wt);transform:translateY(100%);transition:transform .25s cubic-bezier(.4,0,.2,1)}
.em-bn-py span,.em-bn-py i{position:relative;z-index:1}
.em-bn-ol{background:transparent;color:var(--em-wt);border:2px solid var(--em-wt4)}
.em-bn-ol:hover{border-color:var(--em-ac);color:var(--em-ac);transform:translateY(-3px)}

/* 装饰元素 */
.em-hr-dc{position:absolute;z-index:1}
.em-hr-dc1{top:15%;left:8%;width:60px;height:60px;border:3px solid var(--em-ac);animation:em-xz 20s linear infinite}
.em-hr-dc2{bottom:20%;right:10%;width:40px;height:40px;background:var(--em-ac);animation:em-fd 4s ease-in-out infinite}
.em-hr-dc3{top:25%;right:15%;width:20px;height:20px;border:2px solid var(--em-wt4);animation:em-tx 3s ease-in-out infinite .5s}
.em-hr-dc4{bottom:30%;left:12%;width:15px;height:15px;background:var(--em-wt4);animation:em-tx 2.5s ease-in-out infinite}
@keyframes em-xz{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes em-fd{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.1)}}
@keyframes em-tx{0%,100%{opacity:.3;transform:scale(1)}50%{opacity:1;transform:scale(1.3)}}

/* 滚动提示 */
.em-hr-sd{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.5rem;color:var(--em-wt4);font-size:.75rem;z-index:2}
.em-hr-sd i{font-size:1.2rem;animation:em-jt 2s ease-in-out infinite}
@keyframes em-jt{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* ===== 产品展示 ===== */
.em-gs{padding:100px 0;background:var(--em-bk2)}
.em-gs .em-zj{margin-bottom:3.5rem}
.em-gs-wg{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.em-gs-kp{background:var(--em-bk2);overflow:hidden;cursor:pointer;transition:all .3s}
.em-gs-kp:hover{background:var(--em-bk3);transform:translateY(-4px);box-shadow:0 12px 0 var(--em-ac-10)}
.em-gs-img{width:100%;height:auto;object-fit:cover;display:block;transition:transform .4s}
.em-gs-kp:hover .em-gs-img{transform:scale(1.05)}

/* ===== 产品优势 ===== */
.em-ys{padding:100px 0;background:var(--em-bk)}
.em-ys .em-zj{margin-bottom:3.5rem}
.em-ys-wg{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.em-ys-kp{padding:2rem;background:var(--em-bk2);border:1px solid var(--em-bk4);border-radius:0;transition:all .3s;position:relative;overflow:hidden}
.em-ys-kp::before{content:'';position:absolute;top:0;left:0;width:4px;height:0;background:var(--em-ac);transition:height .4s}
.em-ys-kp:hover{border-color:var(--em-ac-30);transform:translateY(-4px)}
.em-ys-kp:hover::before{height:100%}
.em-ys-ic{width:52px;height:52px;background:var(--em-ac);display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem;transition:all .3s}
.em-ys-kp:hover .em-ys-ic{background:var(--em-bk);border:1px solid var(--em-ac)}
.em-ys-ic i{font-size:1.4rem;color:var(--em-bk);transition:color .3s}
.em-ys-kp:hover .em-ys-ic i{color:var(--em-ac)}
.em-ys-kp h3{font-size:1.1rem;font-weight:700;margin-bottom:.6rem}
.em-ys-kp p{font-size:.85rem;color:var(--em-wt4);line-height:1.7}

/* ===== FAQ ===== */
.em-fq{padding:100px 0;background:var(--em-ac)}
.em-fq .em-tg{background:var(--em-bk);color:var(--em-ac)}
.em-fq .em-tl{color:var(--em-bk)}
.em-fq .em-ds{color:rgba(0,0,0,.55)}
.em-fq .em-zj{margin-bottom:3.5rem}
.em-fq-ls{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:2px}
.em-fq-it{background:var(--em-bk);overflow:hidden;transition:all .3s}
.em-fq-it:hover{background:var(--em-bk3)}
.em-fq-hd{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;cursor:pointer;user-select:none}
.em-fq-hd h4{font-size:.95rem;font-weight:600;display:flex;align-items:center;gap:.6rem;color:var(--em-wt)}
.em-fq-hd h4 i{color:var(--em-ac);font-size:1.1rem}
.em-fq-hd .em-ar{color:var(--em-wt4);font-size:1.2rem;transition:transform .3s}
.em-fq-it.em-open .em-fq-hd .em-ar{transform:rotate(180deg)}
.em-fq-bd{max-height:0;overflow:hidden;transition:max-height .4s ease}
.em-fq-it.em-open .em-fq-bd{max-height:300px}
.em-fq-bd-nr{padding:0 1.5rem 1.25rem;color:var(--em-wt4);font-size:.9rem;line-height:1.8}

/* ===== 用户评价 ===== */
.em-pj{padding:100px 0;background:var(--em-bk2)}
.em-pj .em-zj{margin-bottom:3.5rem}
.em-pj-wg{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.em-pj-kp{padding:2rem;background:var(--em-bk);border:1px solid var(--em-bk4);position:relative;transition:all .3s}
.em-pj-kp:hover{border-color:var(--em-ac);transform:translateY(-4px)}
.em-pj-kp::before{content:'\201C';position:absolute;top:.75rem;right:1.25rem;font-size:4rem;color:var(--em-ac);opacity:.2;font-family:Georgia,serif;line-height:1}
.em-pj-st{display:flex;gap:.2rem;margin-bottom:1rem}
.em-pj-st i{color:var(--em-ac);font-size:.9rem}
.em-pj-kp p{color:var(--em-wt4);font-size:.9rem;line-height:1.8;margin-bottom:1.5rem;font-style:italic}
.em-pj-ur{display:flex;align-items:center;gap:.75rem}
.em-pj-av{width:44px;height:44px;background:var(--em-ac);display:flex;align-items:center;justify-content:center;color:var(--em-bk);font-weight:700;font-size:1rem}
.em-pj-ur div h4{font-size:.9rem;font-weight:700;margin-bottom:.15rem}
.em-pj-ur div span{font-size:.75rem;color:var(--em-wt4)}

/* ===== CTA ===== */
.em-ck{padding:100px 0;background:var(--em-bk)}
.em-ck-bx{max-width:var(--em-kd);margin:0 auto;padding:4rem 3rem;text-align:center;border:2px solid var(--em-ac);position:relative;overflow:hidden}
.em-ck-bx::before{content:'';position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;background:var(--em-ac);opacity:0;transition:opacity .3s;z-index:-1}
.em-ck-bx:hover::before{opacity:.06}
.em-ck-nr{position:relative;z-index:1}
.em-ck h2{font-size:clamp(2rem,3.5vw,2.8rem);font-weight:900;margin-bottom:.75rem}
.em-ck p{color:var(--em-wt4);margin-bottom:2rem;font-size:1.05rem}

/* ===== 页脚 ===== */
.em-ft{padding:50px 0 30px;background:var(--em-bk);border-top:1px solid var(--em-bk4)}
.em-ft-nr{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1.5rem}
.em-ft-logo{display:flex;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:700}
.em-ft-logo i{color:var(--em-ac)}
.em-ft-mn{display:flex;gap:2rem;flex-wrap:wrap}
.em-ft-mn a{color:var(--em-wt4);text-decoration:none;font-size:.85rem;transition:color .2s}
.em-ft-mn a:hover{color:var(--em-ac)}
.em-ft-sm{display:flex;gap:.75rem}
.em-ft-sm a{width:38px;height:38px;border:1px solid var(--em-bk4);display:flex;align-items:center;justify-content:center;color:var(--em-wt4);text-decoration:none;transition:all .2s}
.em-ft-sm a:hover{background:var(--em-ac);border-color:var(--em-ac);color:var(--em-bk)}
.em-ft-cp{width:100%;text-align:center;color:var(--em-wt4);font-size:.8rem;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--em-bk4)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
    .em-hr h1{font-size:clamp(2.5rem,6vw,3.5rem)}
    .em-hr-ds{max-width:500px}
    .em-ys-wg,.em-pj-wg{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .em-nv-mn{display:none}
    .em-hr{padding:80px 0}
    .em-hr-bg{font-size:clamp(5rem,12vw,10rem)}
    .em-hr-dc{display:none}
    .em-hr-sd{bottom:20px}
    .em-hr-bn{flex-direction:column;align-items:center}
    .em-bn{width:100%;max-width:280px;justify-content:center}
    .em-gs-wg{grid-template-columns:repeat(2,1fr)}
    .em-ys-wg,.em-pj-wg{grid-template-columns:1fr}
    .em-ft-nr{flex-direction:column;text-align:center}
    .em-ft-mn{justify-content:center}
}