*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:90px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:#1b1a33;
  background-color:#fbf9ff;
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(720px 420px at 4% -8%, rgba(107,75,246,.16), transparent 62%),
    radial-gradient(760px 460px at 100% 2%, rgba(255,122,61,.13), transparent 60%),
    radial-gradient(720px 520px at 50% 106%, rgba(18,184,166,.13), transparent 62%),
    linear-gradient(180deg,#fdfbff 0%,#f7f4ff 46%,#fbf9ff 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.35;
  background-image:radial-gradient(rgba(107,75,246,.16) 1px, transparent 1px);
  background-size:28px 28px;
}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
h1,h2,h3{letter-spacing:-.4px;}
a{color:#4a2fd6;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;padding:13px 26px;border-radius:999px;
  text-decoration:none;cursor:pointer;border:2px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  font-family:inherit;
}
.btn-primary{background:linear-gradient(135deg,#6b4bf6,#9a5cff);color:#fff;box-shadow:0 10px 24px rgba(107,75,246,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(107,75,246,.4);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:#2a2258;border-color:#ddd6f7;}
.btn-ghost:hover{transform:translateY(-2px);border-color:#6b4bf6;color:#4a2fd6;box-shadow:0 12px 24px rgba(107,75,246,.16);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid #ece8fb;
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(31,20,80,.08);}
.nav-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.ai-page-logo{max-height:38px;width:auto;display:block;}
.brand-name{font-size:18px;font-weight:800;color:#201c46;letter-spacing:.5px;white-space:nowrap;}
.nav{display:flex;align-items:center;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;}
.nav-links a{display:block;padding:9px 13px;font-size:15px;font-weight:600;color:#33305c;text-decoration:none;border-radius:10px;transition:color .2s ease,background-color .2s ease;white-space:nowrap;}
.nav-links a:hover{color:#4a2fd6;background:#f2eefe;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:2px solid #e3ddfb;background:#fff;
  cursor:pointer;padding:0 10px;
}
.nav-toggle span{display:block;height:2px;background:#2a2258;border-radius:2px;transition:.25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 通用区块 */
.section{padding:68px 0;}
.sec-head{max-width:760px;margin-bottom:34px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;
  color:#5a43d6;background:#efeaff;border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin:0 0 12px;color:#1a1738;font-weight:800;}
.sec-head h2::after{
  content:"";display:block;width:64px;height:6px;border-radius:999px;margin-top:14px;
  background:linear-gradient(90deg,#6b4bf6,#ff5f8f,#ff9f43);
}
.sec-sub{margin:0;color:#55527a;font-size:16px;}

/* Hero */
.hero{padding:70px 0 44px;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.22;margin:0 0 18px;font-weight:900;color:#16132f;}
.hero-lead{margin:0;font-size:16.5px;color:#4d4a70;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 20px;margin:24px 0 0;padding:0;}
.hero-points li{position:relative;padding-left:22px;font-size:14px;font-weight:600;color:#3a3760;}
.hero-points li::before{
  content:"";position:absolute;left:0;top:6px;width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,#6b4bf6,#ff5f8f);
}
.hero-points li:nth-child(2)::before{background:linear-gradient(135deg,#ff7a3d,#ffc53d);}
.hero-points li:nth-child(3)::before{background:linear-gradient(135deg,#12b8a6,#57d6c4);}
.hero-panel{
  background:#fff;border:2px solid #ece8fb;border-radius:22px;padding:24px;
  box-shadow:12px 14px 0 rgba(107,75,246,.09),0 18px 36px rgba(31,20,80,.07);
}
.panel-head{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800;color:#43289e;margin-bottom:16px;}
.panel-head .dot{
  width:10px;height:10px;border-radius:50%;background:#12b8a6;
  box-shadow:0 0 0 0 rgba(18,184,166,.5);animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(18,184,166,.5);}
  70%{box-shadow:0 0 0 10px rgba(18,184,166,0);}
  100%{box-shadow:0 0 0 0 rgba(18,184,166,0);}
}
.model-chips{display:flex;flex-wrap:wrap;gap:8px;}
.model-chips span{
  font-size:13px;font-weight:600;color:#4a4380;background:#f6f3ff;
  border:1px solid #e8e2ff;border-radius:999px;padding:7px 12px;transition:.2s ease;
}
.model-chips span:hover{background:#6b4bf6;border-color:#6b4bf6;color:#fff;transform:translateY(-2px);}
.panel-foot{margin:16px 0 0;padding-top:14px;border-top:1px dashed #e4def8;font-size:13.5px;color:#6b688c;}

/* 数据指标 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:12px;}
.metric{
  background:#fff;border:2px solid #ece8fb;border-radius:18px;padding:20px 18px;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.metric strong{display:block;font-size:28px;font-weight:900;color:#5a43d6;line-height:1.2;}
.metric span{display:block;font-size:13.5px;color:#55527a;margin-top:6px;}
.metric:nth-child(2) strong{color:#e0457b;}
.metric:nth-child(3) strong{color:#0f8f81;}
.metric:nth-child(4) strong{color:#d97b1e;}
.metric:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(31,20,80,.1);border-color:#d8cffb;}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;}
.about-text h3{font-size:19px;margin:0 0 12px;color:#1a1738;}
.about-text p{margin:0 0 14px;font-size:15.5px;color:#4d4a70;}
.cap-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:11px;}
.cap-list li{
  display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid #ece8fb;
  border-radius:14px;padding:12px 15px;font-size:14.5px;color:#3a3760;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cap-list li strong{color:#1a1738;flex:0 0 auto;font-weight:800;}
.cap-list li::before{
  content:"";width:8px;height:8px;border-radius:50%;margin-top:9px;flex:0 0 auto;
  background:linear-gradient(135deg,#6b4bf6,#ff5f8f);
}
.cap-list li:hover{transform:translateX(4px);border-color:#d8cffb;box-shadow:0 10px 22px rgba(31,20,80,.08);}
.about-media{display:grid;gap:16px;}
.shot{
  margin:0;background:#fff;border:2px solid #ece8fb;border-radius:18px;padding:10px;
  box-shadow:0 12px 26px rgba(31,20,80,.07);transition:transform .25s ease,box-shadow .25s ease;
}
.shot:hover{transform:translateY(-4px);box-shadow:0 20px 36px rgba(31,20,80,.12);}
.shot img{display:block;width:100%;height:auto;border-radius:12px;}
.shot figcaption{font-size:13px;color:#5b5880;padding:10px 4px 2px;text-align:center;}

/* 服务卡片 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;align-items:stretch;}
.s-card{
  position:relative;overflow:hidden;background:#fff;border:2px solid #ece8fb;border-radius:18px;padding:22px 20px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.s-card::after{
  content:"";position:absolute;top:-30px;right:-30px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,var(--accent,#6b4bf6),transparent 70%);opacity:.13;pointer-events:none;
}
.s-ico{
  display:block;width:38px;height:38px;border-radius:12px;margin-bottom:14px;
  background:linear-gradient(135deg,var(--accent,#6b4bf6),var(--a2,#9a5cff));
  box-shadow:0 8px 16px rgba(31,20,80,.14);
}
.s-card h3{font-size:17px;margin:0 0 8px;color:#1a1738;font-weight:800;}
.s-card p{margin:0;font-size:14px;color:#5d5a80;line-height:1.65;}
.s-card:hover{transform:translateY(-5px);border-color:var(--accent,#6b4bf6);box-shadow:0 18px 36px rgba(31,20,80,.12);}
.s-card:nth-child(4n+1){--accent:#6b4bf6;--a2:#9a5cff;}
.s-card:nth-child(4n+2){--accent:#e0457b;--a2:#ff8f6b;}
.s-card:nth-child(4n+3){--accent:#0f8f81;--a2:#5fd6c5;}
.s-card:nth-child(4n+4){--accent:#e08a1e;--a2:#ffc53d;}

/* 制作流程 */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.step{
  background:#fff;border:2px solid #ece8fb;border-radius:18px;padding:22px 20px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:13px;font-weight:900;letter-spacing:1px;color:#6b4bf6;margin-bottom:10px;
}
.step h3{font-size:16px;margin:0 0 8px;color:#1a1738;}
.step p{margin:0;font-size:14px;color:#5d5a80;}
.step:hover{transform:translateY(-5px);border-color:#d8cffb;box-shadow:0 18px 34px rgba(31,20,80,.11);}
.tool-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tool-cloud span{
  padding:8px 16px;border-radius:999px;background:#fff;border:1.5px solid #e2dcfb;
  font-size:14px;font-weight:600;color:#413a76;transition:.22s ease;
}
.tool-cloud span:hover{background:#6b4bf6;color:#fff;border-color:#6b4bf6;transform:translateY(-2px);}

/* 行业方案 */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.sol{
  background:#fff;border:2px solid #ece8fb;border-radius:18px;padding:22px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sol h3{font-size:17px;margin:0 0 10px;color:#1a1738;}
.sol p{margin:0 0 14px;font-size:14px;color:#5d5a80;}
.sol-tag{display:inline-block;font-size:12.5px;font-weight:700;color:#0f8f81;background:#e3fbf7;border-radius:8px;padding:4px 10px;}
.sol:nth-child(3n+2) .sol-tag{color:#a5315c;background:#ffeaf1;}
.sol:nth-child(3n+3) .sol-tag{color:#a8650f;background:#fff3e0;}
.sol:hover{transform:translateY(-5px);border-color:#d8cffb;box-shadow:0 18px 34px rgba(31,20,80,.11);}

/* 服务网络 */
.network-card{
  background:#fff;border:2px solid #ece8fb;border-radius:20px;padding:26px;
  box-shadow:0 14px 30px rgba(31,20,80,.06);
}
.network-card h3{font-size:18px;margin:0 0 10px;color:#1a1738;}
.network-card > p{margin:0 0 18px;font-size:14.5px;color:#55527a;}

/* 标准流程 */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.tl-item{
  background:#fff;border:2px solid #ece8fb;border-radius:16px;padding:20px 16px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-num{
  display:inline-block;font-size:12px;font-weight:800;color:#fff;border-radius:999px;
  background:linear-gradient(135deg,#6b4bf6,#9a5cff);padding:3px 11px;margin-bottom:10px;
}
.tl-item h3{font-size:15.5px;margin:0 0 8px;color:#1a1738;}
.tl-item p{margin:0;font-size:13.5px;color:#5d5a80;}
.tl-item:hover{transform:translateY(-5px);border-color:#d8cffb;box-shadow:0 16px 30px rgba(31,20,80,.1);}

/* 案例 */
.case-list{display:grid;gap:22px;}
.case-item{
  display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;
  background:#fff;border:2px solid #ece8fb;border-radius:20px;padding:18px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.case-item:hover{transform:translateY(-4px);border-color:#d8cffb;box-shadow:0 20px 38px rgba(31,20,80,.12);}
.case-media{margin:0;border-radius:14px;overflow:hidden;background:#f7f4ff;}
.case-media img{display:block;width:100%;height:auto;}
.case-body h3{font-size:19px;margin:0 0 10px;color:#1a1738;}
.case-body p{margin:0 0 14px;font-size:14.5px;color:#55527a;}
.case-body .sol-tag{color:#4a2fd6;background:#efeaff;}

/* 对比评测 */
.rate-card{
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;
  background:linear-gradient(135deg,#f4f0ff,#fff4f8 60%,#eefaf7);
  border:2px solid #e6defb;border-radius:22px;padding:26px 28px;margin-bottom:26px;
}
.rate-score{display:flex;align-items:baseline;gap:6px;flex:0 0 auto;}
.rate-score strong{font-size:52px;line-height:1;font-weight:900;color:#4a2fd6;}
.rate-score span{font-size:16px;font-weight:700;color:#6b688c;}
.rate-meta{flex:1 1 260px;min-width:240px;}
.rate-stars{margin:0;font-size:20px;letter-spacing:3px;color:#ffab2e;}
.rate-title{margin:2px 0 6px;font-size:16px;font-weight:800;color:#1a1738;}
.rate-desc{margin:0;font-size:14px;color:#55527a;}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:2px solid #ece8fb;border-radius:18px;background:#fff;}
.cmp-table{width:100%;border-collapse:collapse;min-width:760px;font-size:14.5px;}
.cmp-table th,.cmp-table td{padding:14px 16px;text-align:left;border-bottom:1px solid #f0edfb;}
.cmp-table th{background:#f7f4ff;font-weight:800;color:#221d4a;font-size:14px;white-space:nowrap;}
.cmp-table td:first-child{font-weight:700;color:#221d4a;}
.cmp-table td:nth-child(2){background:#f8f6ff;color:#3a2f86;font-weight:600;}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table tbody tr:hover td{background:#fbf9ff;}
.cmp-table tbody tr:hover td:nth-child(2){background:#f2edff;}

/* Token 比价 */
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.price-card{
  background:#fff;border:2px solid #ece8fb;border-radius:20px;padding:24px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.price-card h3{font-size:18px;margin:0 0 6px;color:#1a1738;}
.price-note{margin:0 0 16px;font-size:14px;color:#6b688c;}
.price-card ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.price-card li{position:relative;padding-left:22px;font-size:14.5px;color:#3a3760;}
.price-card li::before{
  content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:50%;
  background:#c9c2ea;
}
.price-hl{border-color:#c9bcff;box-shadow:0 18px 38px rgba(107,75,246,.16);background:linear-gradient(180deg,#faf8ff,#fff);}
.price-hl h3{color:#43289e;}
.price-hl li::before{background:linear-gradient(135deg,#6b4bf6,#ff5f8f);}
.price-card:hover{transform:translateY(-4px);}
.price-tip{margin:18px 0 0;font-size:13.5px;color:#6b688c;}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review{
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
  background:#fff;border:2px solid #ece8fb;border-radius:18px;padding:22px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.review-text{margin:0;font-size:14.5px;color:#413d68;line-height:1.75;}
.review-user{display:flex;align-items:center;gap:12px;}
.review-avatar{
  flex:0 0 auto;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:#fff;background:linear-gradient(135deg,#6b4bf6,#9a5cff);
}
.review:nth-child(2) .review-avatar{background:linear-gradient(135deg,#e0457b,#ff8f6b);}
.review:nth-child(3) .review-avatar{background:linear-gradient(135deg,#0f8f81,#5fd6c5);}
.review:nth-child(4) .review-avatar{background:linear-gradient(135deg,#e08a1e,#ffc53d);}
.review:nth-child(5) .review-avatar{background:linear-gradient(135deg,#3b6de0,#7aa7ff);}
.review:nth-child(6) .review-avatar{background:linear-gradient(135deg,#8b3bd6,#c47aff);}
.review-user strong{display:block;font-size:14.5px;color:#1a1738;}
.review-user span{display:block;font-size:13px;color:#6b688c;}
.review:hover{transform:translateY(-5px);border-color:#d8cffb;box-shadow:0 18px 34px rgba(31,20,80,.11);}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:2px solid #ece8fb;border-radius:16px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item.open{border-color:#c9bcff;box-shadow:0 14px 30px rgba(107,75,246,.12);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:none;padding:17px 20px;font-family:inherit;
  font-size:15.5px;font-weight:700;color:#221d4a;text-align:left;cursor:pointer;
}
.faq-q:hover{color:#4a2fd6;}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#6b4bf6;border-radius:2px;transition:.25s ease;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 20px 18px;font-size:14.5px;color:#55527a;}
.faq-a-inner p{margin:0;}

/* 文章 */
.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;}
.article-card{
  display:flex;flex-direction:column;gap:10px;text-decoration:none;
  background:#fff;border:2px solid #ece8fb;border-radius:16px;padding:20px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.article-cat{font-size:12.5px;font-weight:700;color:#0f8f81;background:#e3fbf7;border-radius:8px;padding:3px 10px;align-self:flex-start;}
.article-card h3{font-size:15.5px;margin:0;color:#1a1738;line-height:1.55;font-weight:800;}
.article-more{margin-top:auto;font-size:13.5px;font-weight:700;color:#4a2fd6;}
.article-card:hover{transform:translateY(-5px);border-color:#d8cffb;box-shadow:0 18px 34px rgba(31,20,80,.11);}

/* 加盟 CTA */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:linear-gradient(120deg,#3f22b8,#6b3bf0 55%,#a8327f);
  border-radius:24px;padding:34px 36px;color:#fff;
  box-shadow:0 24px 48px rgba(63,34,184,.28);
}
.cta-band h2{color:#fff;margin:0 0 10px;font-size:clamp(22px,2.6vw,30px);}
.cta-band p{margin:0;font-size:15px;color:#e6ddff;max-width:640px;}
.cta-band .btn-primary{background:#fff;color:#3f22b8;box-shadow:0 12px 26px rgba(0,0,0,.2);}
.cta-band .btn-primary:hover{background:#fdfbff;color:#2c1580;}

/* 联系与表单 */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start;}
.contact-list{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:10px;}
.contact-list li{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid #ece8fb;border-radius:12px;padding:11px 14px;font-size:14.5px;}
.contact-list li span:first-child{flex:0 0 66px;color:#6b688c;font-weight:600;}
.contact-list li a,.contact-list li strong{color:#221d4a;font-weight:700;text-decoration:none;word-break:break-all;}
.contact-list li a:hover{color:#4a2fd6;}
.contact-info h3{font-size:18px;margin:0 0 14px;color:#1a1738;}
.qr-box{background:#fff;border:2px solid #ece8fb;border-radius:16px;padding:14px;text-align:center;max-width:200px;}
.qr-box img{display:block;width:100%;height:auto;border-radius:10px;}
.qr-box p{margin:10px 0 0;font-size:13px;color:#5b5880;}
.contact-form{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  background:#fff;border:2px solid #ece8fb;border-radius:20px;padding:26px;
  box-shadow:0 16px 34px rgba(31,20,80,.07);
}
.field{display:flex;flex-direction:column;gap:7px;}
.field-full{grid-column:1/-1;}
label{font-size:13.5px;font-weight:700;color:#2c2856;}
input,select,textarea{
  width:100%;font-family:inherit;font-size:14.5px;color:#1b1a33;background:#fbfaff;
  border:1.5px solid #e3ddfb;border-radius:12px;padding:11px 13px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
input:focus,select:focus,textarea:focus{border-color:#6b4bf6;background:#fff;box-shadow:0 0 0 4px rgba(107,75,246,.12);}
textarea{resize:vertical;min-height:112px;}
.contact-form .btn{grid-column:1/-1;justify-self:start;}

/* 页脚 */
.site-footer{background:#14112b;color:#d8d3f2;margin-top:20px;padding:52px 0 22px;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;}
.footer-about p{margin:14px 0 12px;font-size:14px;color:#a9a3cf;line-height:1.75;max-width:320px;}
.footer-about .brand-name{color:#fff;}
.ai-page-home-link{display:inline-block;font-size:14px;font-weight:700;color:#c9c2ef;text-decoration:none;border-bottom:1px dashed #4b4478;padding-bottom:2px;}
.ai-page-home-link:hover{color:#fff;border-color:#fff;}
.footer-col h3{font-size:15px;margin:0 0 14px;color:#fff;font-weight:800;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-col li a,.footer-col li span{font-size:14px;color:#a9a3cf;text-decoration:none;transition:color .2s ease;}
.footer-col li a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  margin-top:34px;padding-top:18px;border-top:1px solid #2a2450;
}
.footer-bottom p{margin:0;font-size:13px;color:#8f89b8;}
.footer-bottom a{color:#b6afe0;text-decoration:none;}
.footer-bottom a:hover{color:#fff;}

/* 浮动工具 */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.float-btn{
  width:52px;height:52px;border-radius:16px;border:2px solid #e6e0fb;background:#fff;
  color:#4a2fd6;font-family:inherit;font-weight:800;font-size:13px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px rgba(31,20,80,.16);
  transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.float-btn:hover{transform:translateY(-3px);background:#6b4bf6;color:#fff;border-color:#6b4bf6;}
.cs-panel{
  position:absolute;right:0;bottom:120px;width:224px;background:#fff;
  border:2px solid #ece8fb;border-radius:16px;padding:14px;text-align:center;
  box-shadow:0 20px 40px rgba(31,20,80,.18);
}
.cs-panel img{display:block;width:100%;height:auto;border-radius:10px;margin-bottom:10px;}
.cs-panel p{margin:0 0 6px;font-size:13px;color:#4d4a70;font-weight:600;}
.cs-panel p:last-child{margin-bottom:0;color:#6b688c;font-weight:500;}

/* 动效 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;}
}

/* 响应式 */
@media (max-width:1040px){
  .nav{
    position:absolute;top:100%;left:0;right:0;display:none;
    background:#fff;border-bottom:2px solid #ece8fb;
    box-shadow:0 18px 30px rgba(31,20,80,.1);
    padding:10px 18px 18px;
  }
  .nav.open{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:13px 10px;border-bottom:1px solid #f0edfb;border-radius:0;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .about-grid{grid-template-columns:1fr;gap:28px;}
  .solution-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .case-item{grid-template-columns:1fr;gap:18px;}
  .contact-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .cta-band{padding:28px 24px;}
}
@media (max-width:600px){
  .section{padding:48px 0;}
  .hero{padding:44px 0 26px;}
  .solution-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .contact-form{grid-template-columns:1fr;padding:20px;}
  .footer-top{grid-template-columns:1fr;}
  .hero-actions .btn{flex:1 1 auto;}
  .rate-score strong{font-size:44px;}
  .qr-box{max-width:170px;}
}