*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  color:#12173a;
  line-height:1.72;
  font-size:16px;
  background-color:#f7f8ff;
  background-image:
    radial-gradient(1000px 620px at 6% -10%, rgba(122,92,255,.20), rgba(122,92,255,0) 65%),
    radial-gradient(900px 540px at 98% 2%, rgba(255,95,168,.16), rgba(255,95,168,0) 65%),
    radial-gradient(900px 560px at 50% 108%, rgba(0,179,199,.15), rgba(0,179,199,0) 65%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:#5b3df5}
[id]{scroll-margin-top:90px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:76px 0}
.section-head{max-width:780px;margin:0 auto 40px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:#5b3df5;background:#efeaff;border:1px solid #ded4ff;border-radius:999px;padding:5px 15px;margin-bottom:16px}
.section-head h2{font-size:clamp(23px,2.9vw,33px);line-height:1.34;letter-spacing:-.4px;color:#111633}
.section-head p{margin-top:14px;color:#525b7c;font-size:15.5px}
h3{font-size:17px;line-height:1.5;color:#111633}
p{color:#4d5675}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;line-height:1.2}
.btn-primary{background:linear-gradient(118deg,#5b3df5 0%,#9c3af0 52%,#e5348f 100%);color:#fff;box-shadow:0 14px 28px -14px rgba(91,61,245,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -14px rgba(91,61,245,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:#212a4d;border-color:#dbdef2;box-shadow:0 10px 22px -18px rgba(18,23,58,.7)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#b6aef5;color:#5b3df5}
.btn:focus-visible{outline:3px solid #b9aefc;outline-offset:2px}
.card{background:#fff;border:1px solid #e6e8f6;border-radius:18px;padding:24px;box-shadow:0 12px 30px -24px rgba(18,23,58,.7);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 26px 46px -30px rgba(18,23,58,.55);border-color:#cbc9f8}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(18,23,58,.07);transition:box-shadow .3s ease}
.site-header.is-scrolled{box-shadow:0 14px 30px -26px rgba(18,23,58,.9)}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-logo{display:flex;align-items:center;max-width:44px;overflow:hidden}
.brand-logo img{max-height:38px;width:auto;display:block}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.6px;color:#1a1f45;white-space:nowrap}
.nav{flex:1 1 auto;display:flex;justify-content:center}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-wrap:nowrap}
.nav-links a{display:block;padding:8px 9px;font-size:14px;font-weight:600;color:#333c60;text-decoration:none;border-radius:9px;white-space:nowrap;transition:color .2s ease,background .2s ease}
.nav-links a:hover{color:#5b3df5;background:#f1edff}
.header-cta{flex:0 0 auto;padding:10px 20px;font-size:14px}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;border:1px solid #dfe2f2;background:#fff;color:#232b50;cursor:pointer;flex:0 0 auto}
.nav-toggle span{display:block;position:relative;width:18px;height:2px;background:#232b50;border-radius:2px;transition:background .2s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#232b50;border-radius:2px;transition:transform .25s ease,top .25s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ============ 首屏 ============ */
.hero{padding:64px 0 56px}
.hero-inner{display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
.hero-copy{max-width:660px}
.hero h1{font-size:clamp(28px,4.4vw,46px);line-height:1.24;letter-spacing:-1px;color:#0f1435;margin-bottom:18px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#5b3df5,#c135ae 60%,#e5348f);color:#fff;padding:2px 12px;border-radius:12px;box-decoration-break:clone;-webkit-box-decoration-break:clone;display:inline-block}
.hero-lead{font-size:16.5px;color:#4a5376;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.hero-note{font-size:13.5px;color:#6a7292;letter-spacing:.2px}
.hero-visual{position:relative;min-height:300px;display:flex;align-items:center;justify-content:center}
.orb{position:absolute;border-radius:50%;filter:blur(38px);opacity:.62;pointer-events:none}
.orb-a{width:230px;height:230px;background:#7b5cff;top:-30px;right:6%;animation:floatY 9s ease-in-out infinite}
.orb-b{width:190px;height:190px;background:#ff5fa8;bottom:-24px;left:2%;animation:floatY 11s ease-in-out infinite reverse}
.orb-c{width:150px;height:150px;background:#00c7d8;top:44%;right:-4%;animation:floatY 13s ease-in-out infinite}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.hero-frame{position:relative;width:100%;max-width:430px;background:rgba(255,255,255,.92);border:1px solid #e3e5f7;border-radius:22px;padding:22px;box-shadow:0 34px 60px -34px rgba(18,23,58,.6);animation:floatY 8s ease-in-out infinite}
.hero-frame-head{display:flex;align-items:center;gap:9px;margin-bottom:16px}
.pulse{width:9px;height:9px;border-radius:50%;background:#22c07a;box-shadow:0 0 0 0 rgba(34,192,122,.6);animation:pulseRing 2.4s ease-out infinite}
@keyframes pulseRing{0%{box-shadow:0 0 0 0 rgba(34,192,122,.55)}70%{box-shadow:0 0 0 12px rgba(34,192,122,0)}100%{box-shadow:0 0 0 0 rgba(34,192,122,0)}}
.hero-frame-title{font-size:13.5px;font-weight:700;color:#2a3160;letter-spacing:1px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px}
.hero-chips span{font-size:12.5px;font-weight:600;color:#3a4270;background:#f2f3ff;border:1px solid #e3e5f8;border-radius:8px;padding:5px 10px}
.hero-chips span:nth-child(3n+1){background:#eef0ff;color:#4b34c9;border-color:#dcd8ff}
.hero-chips span:nth-child(3n+2){background:#fff0f7;color:#b52b73;border-color:#ffd9ec}
.hero-chips span:nth-child(3n+3){background:#ecfbfd;color:#0a7d8a;border-color:#cdf1f6}
.hero-frame-foot{display:flex;gap:6px;margin-top:18px}
.hero-frame-foot .bar{height:6px;border-radius:999px;flex:1;background:linear-gradient(90deg,#5b3df5,#e5348f);opacity:.55}
.hero-frame-foot .bar:nth-child(2){flex:1.6;opacity:.38}
.hero-frame-foot .bar:nth-child(3){flex:.8;opacity:.25}

/* 数据指标 */
.metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:48px}
.metric{background:#fff;border:1px solid #e6e8f6;border-radius:16px;padding:20px 18px;text-align:center;box-shadow:0 14px 30px -26px rgba(18,23,58,.8);transition:transform .25s ease,box-shadow .25s ease}
.metric:hover{transform:translateY(-4px);box-shadow:0 22px 38px -26px rgba(18,23,58,.7)}
.metric strong{display:block;font-size:clamp(24px,3vw,32px);line-height:1.2;letter-spacing:-.5px;color:#5b3df5}
.metric:nth-child(2) strong{color:#d32b7e}
.metric:nth-child(3) strong{color:#0a94a5}
.metric:nth-child(4) strong{color:#e06a1f}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:#5b6485}

/* ============ 通用网格 ============ */
.grid-2{display:grid;grid-template-columns:1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:1fr;gap:20px}
.grid-4{display:grid;grid-template-columns:1fr;gap:16px}

/* ============ 关于我们 ============ */
.about-lead{max-width:900px;margin:0 auto 34px;text-align:center;color:#4a5376;font-size:16px}
.about-grid{display:grid;grid-template-columns:1fr;gap:16px}
.about-card{background:#fff;border:1px solid #e6e8f6;border-radius:16px;padding:22px;box-shadow:0 12px 28px -26px rgba(18,23,58,.8);transition:transform .25s ease,box-shadow .25s ease}
.about-card:hover{transform:translateY(-3px);box-shadow:0 22px 40px -30px rgba(18,23,58,.7)}
.about-card h3{margin-bottom:8px;font-size:16px}
.about-card p{font-size:14.5px;color:#525b7c}
.about-card .mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;margin-bottom:12px;font-size:14px;font-weight:800;color:#fff;background:linear-gradient(135deg,#5b3df5,#9c3af0)}
.about-card:nth-child(2) .mark{background:linear-gradient(135deg,#d32b7e,#ff7a3d)}
.about-card:nth-child(3) .mark{background:linear-gradient(135deg,#0a94a5,#22c07a)}
.about-card:nth-child(4) .mark{background:linear-gradient(135deg,#ff7a3d,#e5348f)}
.about-card:nth-child(5) .mark{background:linear-gradient(135deg,#4b34c9,#00b3c7)}
.about-card:nth-child(6) .mark{background:linear-gradient(135deg,#c135ae,#5b3df5)}
.about-card:nth-child(7) .mark{background:linear-gradient(135deg,#0a7d8a,#5b3df5)}

/* ============ 服务卡片 ============ */
.service-card{position:relative;overflow:hidden;background:#fff;border:1px solid #e6e8f6;border-radius:18px;padding:26px 24px 24px;box-shadow:0 14px 32px -28px rgba(18,23,58,.85);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.service-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,#5b3df5,#9c3af0)}
.service-card:nth-child(2)::before{background:linear-gradient(90deg,#d32b7e,#ff7a3d)}
.service-card:nth-child(3)::before{background:linear-gradient(90deg,#0a94a5,#22c07a)}
.service-card:nth-child(4)::before{background:linear-gradient(90deg,#ff7a3d,#e5348f)}
.service-card:nth-child(5)::before{background:linear-gradient(90deg,#4b34c9,#00b3c7)}
.service-card:nth-child(6)::before{background:linear-gradient(90deg,#c135ae,#5b3df5)}
.service-card:nth-child(7)::before{background:linear-gradient(90deg,#0a7d8a,#5b3df5)}
.service-card:nth-child(8)::before{background:linear-gradient(90deg,#e06a1f,#d32b7e)}
.service-card:hover{transform:translateY(-5px);box-shadow:0 28px 50px -32px rgba(18,23,58,.7);border-color:#cfcbfa}
.service-card h3{margin-bottom:9px}
.service-card p{font-size:14.5px;color:#525b7c}
.service-tag{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:700;color:#5b3df5;background:#f1edff;border-radius:7px;padding:4px 10px}

/* ============ 一站式制作 ============ */
.lane{background:#fff;border:1px solid #e6e8f6;border-radius:18px;padding:24px;box-shadow:0 14px 32px -28px rgba(18,23,58,.85);transition:transform .25s ease,box-shadow .25s ease}
.lane:hover{transform:translateY(-4px);box-shadow:0 26px 46px -32px rgba(18,23,58,.7)}
.lane-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.lane-badge{font-size:12.5px;font-weight:800;letter-spacing:.6px;color:#fff;background:linear-gradient(120deg,#5b3df5,#c135ae);border-radius:8px;padding:5px 11px}
.lane:nth-child(2) .lane-badge{background:linear-gradient(120deg,#d32b7e,#ff7a3d)}
.lane:nth-child(3) .lane-badge{background:linear-gradient(120deg,#0a94a5,#22c07a)}
.flow{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.flow li{font-size:13.5px;color:#3c4468;background:#f4f5ff;border:1px solid #e5e6f8;border-radius:9px;padding:7px 12px;font-weight:600}
.flow li::after{content:""}
.flow-arrow{color:#a8aede;font-weight:800;font-size:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:34px;justify-content:center}
.tag-cloud span{font-size:13.5px;color:#3f4870;background:#fff;border:1px solid #e1e3f4;border-radius:999px;padding:7px 15px;transition:color .2s ease,border-color .2s ease,transform .2s ease}
.tag-cloud span:hover{color:#5b3df5;border-color:#bdb4f8;transform:translateY(-2px)}

/* ============ 行业方案 ============ */
.industry-card{background:#fff;border:1px solid #e6e8f6;border-radius:16px;padding:24px;box-shadow:0 12px 30px -28px rgba(18,23,58,.9);transition:transform .25s ease,box-shadow .25s ease}
.industry-card:hover{transform:translateY(-4px);box-shadow:0 24px 44px -32px rgba(18,23,58,.7)}
.industry-card h3{margin-bottom:10px}
.industry-card p{font-size:14.5px}
.industry-points{list-style:none;margin-top:14px;display:grid;gap:7px}
.industry-points li{position:relative;padding-left:16px;font-size:13.8px;color:#525b7c}
.industry-points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:#7b5cff}

/* ============ 服务网络 ============ */
.network-grid{display:grid;grid-template-columns:1fr;gap:16px}
.network-item{display:flex;gap:14px;background:#fff;border:1px solid #e6e8f6;border-radius:16px;padding:20px;box-shadow:0 12px 28px -28px rgba(18,23,58,.9);transition:transform .25s ease,box-shadow .25s ease}
.network-item:hover{transform:translateY(-3px);box-shadow:0 22px 40px -32px rgba(18,23,58,.7)}
.network-icon{flex:0 0 auto;width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,#5b3df5,#9c3af0)}
.network-item:nth-child(2) .network-icon{background:linear-gradient(135deg,#d32b7e,#ff7a3d)}
.network-item:nth-child(3) .network-icon{background:linear-gradient(135deg,#0a94a5,#22c07a)}
.network-item:nth-child(4) .network-icon{background:linear-gradient(135deg,#e06a1f,#d32b7e)}
.network-item:nth-child(5) .network-icon{background:linear-gradient(135deg,#4b34c9,#00b3c7)}
.network-item h3{font-size:15.5px;margin-bottom:5px}
.network-item p{font-size:14px}

/* ============ 标准流程 ============ */
.timeline{list-style:none;position:relative;display:grid;gap:18px}
.timeline-item{position:relative;background:#fff;border:1px solid #e6e8f6;border-radius:16px;padding:22px 22px 22px 66px;box-shadow:0 12px 28px -28px rgba(18,23,58,.9);transition:transform .25s ease,box-shadow .25s ease}
.timeline-item:hover{transform:translateY(-3px);box-shadow:0 22px 42px -32px rgba(18,23,58,.7)}
.timeline-num{position:absolute;left:18px;top:20px;width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;background:linear-gradient(135deg,#5b3df5,#c135ae)}
.timeline-item:nth-child(2) .timeline-num{background:linear-gradient(135deg,#d32b7e,#ff7a3d)}
.timeline-item:nth-child(3) .timeline-num{background:linear-gradient(135deg,#0a94a5,#22c07a)}
.timeline-item:nth-child(4) .timeline-num{background:linear-gradient(135deg,#e06a1f,#d32b7e)}
.timeline-item:nth-child(5) .timeline-num{background:linear-gradient(135deg,#4b34c9,#00b3c7)}
.timeline-item h3{font-size:15.5px;margin-bottom:5px}
.timeline-item p{font-size:14.2px}

/* ============ 案例中心 ============ */
.case-card{background:#fff;border:1px solid #e6e8f6;border-radius:18px;overflow:hidden;box-shadow:0 14px 32px -30px rgba(18,23,58,.9);transition:transform .25s ease,box-shadow .25s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:0 28px 50px -34px rgba(18,23,58,.7)}
.case-media{aspect-ratio:16/10;background:#f3f4ff;display:flex;align-items:center;justify-content:center;overflow:hidden;border-bottom:1px solid #eceef9}
.case-media img{width:100%;height:100%;object-fit:contain;display:block}
.case-body{padding:20px 22px 22px}
.case-body h3{margin-bottom:8px}
.case-body p{font-size:14.2px}
.gallery-strip{display:grid;grid-template-columns:1fr;gap:16px;margin-top:22px}
.gallery-item{aspect-ratio:16/9;background:#f3f4ff;border:1px solid #e6e8f6;border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center;transition:transform .25s ease,box-shadow .25s ease}
.gallery-item:hover{transform:translateY(-4px);box-shadow:0 24px 44px -32px rgba(18,23,58,.7)}
.gallery-item img{width:100%;height:100%;object-fit:contain;display:block}

/* ============ 对比评测 ============ */
.compare-top{display:grid;grid-template-columns:1fr;gap:18px;margin-bottom:26px}
.rating-card{background:linear-gradient(135deg,#5b3df5 0%,#9c3af0 52%,#e5348f 100%);border-radius:20px;padding:28px 26px;color:#fff;box-shadow:0 26px 48px -28px rgba(91,61,245,.85)}
.rating-card .rating-label{font-size:13.5px;letter-spacing:2px;opacity:.9;font-weight:700}
.rating-score{font-size:clamp(38px,5vw,52px);font-weight:800;line-height:1.1;margin:8px 0 4px;letter-spacing:-1.5px}
.rating-score span{font-size:18px;font-weight:600;opacity:.85;letter-spacing:0}
.rating-stars{font-size:20px;letter-spacing:4px;color:#ffd76e;margin-bottom:8px}
.rating-card p{color:#f2eeff;font-size:14.5px}
.compare-summary{background:#fff;border:1px solid #e6e8f6;border-radius:20px;padding:26px;box-shadow:0 14px 32px -30px rgba(18,23,58,.9)}
.compare-summary h3{margin-bottom:12px}
.compare-summary ul{list-style:none;display:grid;gap:10px}
.compare-summary li{position:relative;padding-left:22px;font-size:14.5px;color:#4a5376}
.compare-summary li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,#22c07a,#0a94a5)}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid #e6e8f6;border-radius:18px;box-shadow:0 14px 32px -30px rgba(18,23,58,.9);-webkit-overflow-scrolling:touch}
.compare-table{width:100%;min-width:720px;border-collapse:collapse;font-size:14.3px}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid #eef0f9;vertical-align:top;color:#414a6b}
.compare-table thead th{background:#f6f5ff;color:#1c2247;font-size:14px;font-weight:800;white-space:nowrap}
.compare-table thead th.is-brand{background:linear-gradient(135deg,#5b3df5,#c135ae);color:#fff}
.compare-table tbody th{font-weight:700;color:#232b50;white-space:nowrap;background:#fbfbff}
.compare-table tbody td.is-brand{background:#f8f5ff;color:#3a2a97;font-weight:700}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}
.table-note{margin-top:12px;font-size:13px;color:#6a7292}

/* ============ 需求匹配 / 表单 ============ */
.demand-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:start}
.demand-side{background:#fff;border:1px solid #e6e8f6;border-radius:18px;padding:26px;box-shadow:0 14px 32px -30px rgba(18,23,58,.9)}
.demand-side h3{margin-bottom:12px}
.demand-side p{font-size:14.5px;margin-bottom:16px}
.demand-side ul{list-style:none;display:grid;gap:10px}
.demand-side li{position:relative;padding-left:20px;font-size:14.2px;color:#4a5376}
.demand-side li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,#5b3df5,#e5348f)}
.demand-form{background:#fff;border:1px solid #e6e8f6;border-radius:18px;padding:26px;box-shadow:0 18px 38px -30px rgba(18,23,58,.9);display:grid;gap:14px}
.form-row{display:grid;gap:7px}
.form-row label{font-size:13.8px;font-weight:700;color:#232b50}
.form-row input,.form-row select,.form-row textarea{width:100%;font-family:inherit;font-size:14.5px;color:#1a2147;background:#fafbff;border:1px solid #dfe2f2;border-radius:11px;padding:12px 14px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.form-row textarea{resize:vertical;min-height:110px}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:#8f7bff;background:#fff;box-shadow:0 0 0 4px rgba(123,92,255,.14)}
.demand-form .btn{width:100%;margin-top:4px}
.form-hint{font-size:12.8px;color:#727a99;text-align:center}

/* ============ Token 比价 ============ */
.token-card{background:#fff;border:1px solid #e6e8f6;border-radius:16px;padding:24px;box-shadow:0 12px 30px -28px rgba(18,23,58,.9);transition:transform .25s ease,box-shadow .25s ease}
.token-card:hover{transform:translateY(-4px);box-shadow:0 24px 44px -32px rgba(18,23,58,.7)}
.token-card h3{margin-bottom:9px}
.token-card p{font-size:14.3px}
.token-badge{display:inline-block;font-size:12.5px;font-weight:800;color:#0a7d8a;background:#e9fbfd;border:1px solid #c9f1f6;border-radius:7px;padding:4px 10px;margin-bottom:12px}
.token-note{margin-top:20px;text-align:center;font-size:13.2px;color:#6a7292}

/* ============ 帮助中心 ============ */
.help-card{background:#fff;border:1px solid #e6e8f6;border-radius:16px;padding:24px;box-shadow:0 12px 30px -28px rgba(18,23,58,.9);transition:transform .25s ease,box-shadow .25s ease}
.help-card:hover{transform:translateY(-3px);box-shadow:0 24px 44px -32px rgba(18,23,58,.7)}
.help-card h3{margin-bottom:8px;font-size:16px}
.help-card p{font-size:14.2px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #e6e8f6;border-radius:14px;box-shadow:0 10px 26px -28px rgba(18,23,58,.9);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item[open]{border-color:#c9c2f8;box-shadow:0 20px 40px -32px rgba(18,23,58,.7)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 50px 18px 20px;font-size:15.2px;font-weight:700;color:#1c2348;position:relative;transition:color .2s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;border-right:2px solid #7b5cff;border-bottom:2px solid #7b5cff;transform:translateY(-70%) rotate(45deg);transition:transform .25s ease}
.faq-item[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq-item summary:hover{color:#5b3df5}
.faq-item p{padding:0 20px 20px;font-size:14.4px;color:#4f5878}
.faq-item summary:focus-visible{outline:3px solid #b9aefc;outline-offset:-3px}

/* ============ 用户评论 ============ */
.review-card{background:#fff;border:1px solid #e6e8f6;border-radius:18px;padding:24px;box-shadow:0 14px 32px -30px rgba(18,23,58,.9);display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,box-shadow .25s ease}
.review-card:hover{transform:translateY(-4px);box-shadow:0 26px 48px -34px rgba(18,23,58,.7)}
.review-quote{font-size:14.6px;color:#3f4870;line-height:1.78}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px;border-top:1px solid #f0f1fa}
.avatar{flex:0 0 auto;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,#5b3df5,#9c3af0)}
.review-card:nth-child(2) .avatar{background:linear-gradient(135deg,#d32b7e,#ff7a3d)}
.review-card:nth-child(3) .avatar{background:linear-gradient(135deg,#0a94a5,#22c07a)}
.review-card:nth-child(4) .avatar{background:linear-gradient(135deg,#e06a1f,#d32b7e)}
.review-card:nth-child(5) .avatar{background:linear-gradient(135deg,#4b34c9,#00b3c7)}
.review-card:nth-child(6) .avatar{background:linear-gradient(135deg,#c135ae,#5b3df5)}
.review-user strong{display:block;font-size:14.2px;color:#1c2348}
.review-user span{display:block;font-size:12.8px;color:#6f7898}

/* ============ 百科 / 资讯 ============ */
.split{display:grid;grid-template-columns:1fr;gap:26px;align-items:start}
.panel{background:#fff;border:1px solid #e6e8f6;border-radius:18px;padding:26px;box-shadow:0 14px 32px -30px rgba(18,23,58,.9)}
.panel h3{margin-bottom:18px;font-size:17.5px}
.term-list{list-style:none;display:grid;gap:14px}
.term-list li{padding-left:14px;border-left:3px solid #dcd6ff}
.term-list li:nth-child(2){border-left-color:#ffd0e8}
.term-list li:nth-child(3){border-left-color:#c9f1f6}
.term-list li:nth-child(4){border-left-color:#ffe0c9}
.term-list strong{display:block;font-size:14.5px;color:#1c2348;margin-bottom:3px}
.term-list span{font-size:13.8px;color:#525b7c}
.article-list{list-style:none;display:grid;gap:10px}
.article-list a{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:12px;background:#fafbff;border:1px solid #eceef9;font-size:14.3px;color:#333c60;text-decoration:none;font-weight:600;transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease}
.article-list a::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:2px;margin-top:8px;background:linear-gradient(135deg,#5b3df5,#e5348f)}
.article-list a:hover{color:#5b3df5;border-color:#c9c2f8;background:#fff;transform:translateX(3px)}

/* ============ 联系我们 ============ */
.contact-grid{display:grid;grid-template-columns:1fr;gap:18px}
.contact-card{background:#fff;border:1px solid #e6e8f6;border-radius:16px;padding:22px;box-shadow:0 12px 30px -28px rgba(18,23,58,.9);transition:transform .25s ease,box-shadow .25s ease}
.contact-card:hover{transform:translateY(-3px);box-shadow:0 24px 44px -32px rgba(18,23,58,.7)}
.contact-card h3{font-size:14px;color:#6a7292;font-weight:700;letter-spacing:1px;margin-bottom:8px;text-transform:none}
.contact-card p,.contact-card a.value{display:block;font-size:15.5px;font-weight:700;color:#1c2348;text-decoration:none;word-break:break-all}
.contact-card a.value:hover{color:#5b3df5}
.qr-card{grid-column:1/-1;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.qr-box{flex:0 0 auto;width:132px;height:132px;border-radius:14px;border:1px solid #e6e8f6;background:#fafbff;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:6px}
.qr-box img{width:100%;height:100%;object-fit:contain;display:block}
.qr-text h3{font-size:14px;color:#6a7292;letter-spacing:1px;margin-bottom:6px}
.qr-text p{font-size:14.5px;color:#414a6b}

/* ============ 加盟代理 ============ */
.join-band{position:relative;overflow:hidden;background:linear-gradient(125deg,#1a1140 0%,#3a1d7a 46%,#8c1e6a 100%);border-radius:24px;padding:40px 28px;color:#fff;box-shadow:0 34px 60px -36px rgba(26,17,64,.9)}
.join-band::after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,140,220,.55),rgba(255,140,220,0) 68%);right:-70px;top:-90px;pointer-events:none}
.join-inner{position:relative;z-index:1;display:grid;gap:26px;grid-template-columns:1fr}
.join-band h2{font-size:clamp(22px,2.8vw,30px);line-height:1.35;color:#fff;margin-bottom:14px;letter-spacing:-.4px}
.join-band p{color:#e6ddff;font-size:15px}
.join-points{list-style:none;display:grid;gap:12px;margin-top:20px}
.join-points li{position:relative;padding-left:24px;font-size:14.5px;color:#f0eaff}
.join-points li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,#ffd76e,#ff7a3d)}
.join-actions{display:flex;flex-wrap:wrap;gap:12px;align-content:start}
.join-actions .btn-primary{background:#fff;color:#4b1e8a;box-shadow:0 16px 30px -16px rgba(0,0,0,.6)}
.join-actions .btn-primary:hover{background:#f7f2ff;color:#3f1578}
.join-actions .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.42)}
.join-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:#101534;color:#c4cae8;padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{color:#9aa1c6;font-size:14px;margin-top:14px;max-width:340px}
.footer-brand .ai-page-logo{max-height:38px;width:auto;display:block}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:1.2px;margin-bottom:14px;font-weight:800}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a{color:#c4cae8;text-decoration:none;font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px}
.footer-contact{display:grid;gap:9px;font-size:14px;color:#c4cae8}
.footer-contact span{color:#8f97bd}
.footer-bottom{margin-top:36px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;font-size:13.2px;color:#9aa1c6}

/* ============ 浮动客服 / 返回顶部 ============ */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.float-btn{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:16px;border:1px solid #e0e2f4;background:#fff;color:#333c60;font-size:12.5px;font-weight:800;cursor:pointer;box-shadow:0 16px 30px -18px rgba(18,23,58,.75);transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 22px 36px -18px rgba(18,23,58,.8);color:#5b3df5;border-color:#bfb6f7}
.kefu-btn{background:linear-gradient(135deg,#5b3df5,#c135ae);color:#fff;border-color:transparent}
.kefu-btn:hover{color:#fff;background:linear-gradient(135deg,#6c50ff,#d845be)}
.back-top{opacity:0;visibility:hidden;transform:translateY(10px)}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.kefu-panel{position:absolute;right:64px;bottom:0;width:248px;background:#fff;border:1px solid #e3e5f6;border-radius:18px;padding:18px;box-shadow:0 30px 54px -26px rgba(18,23,58,.7);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease}
.kefu-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.kefu-panel h3{font-size:14px;color:#1c2348;margin-bottom:10px;letter-spacing:.6px}
.kefu-qr{width:100%;aspect-ratio:1/1;border-radius:12px;border:1px solid #eceef9;background:#fafbff;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:8px;margin-bottom:12px}
.kefu-qr img{width:100%;height:100%;object-fit:contain;display:block}
.kefu-panel p{font-size:13.2px;color:#525b7c;margin-bottom:4px}
.kefu-panel a{color:#5b3df5;text-decoration:none;font-weight:700}
.kefu-panel a:hover{text-decoration:underline}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .62s ease,transform .62s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .orb,.hero-frame,.pulse{animation:none}
  .card:hover,.service-card:hover,.case-card:hover,.metric:hover,.article-list a:hover,.float-btn:hover{transform:none}
}

/* ============ 响应式 ============ */
@media (min-width:640px){
  .metrics{grid-template-columns:repeat(4,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .gallery-strip{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:768px){
  .about-grid{grid-template-columns:repeat(2,1fr)}
  .network-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (min-width:900px){
  .split{grid-template-columns:1.05fr .95fr}
  .compare-top{grid-template-columns:1fr 1.25fr}
  .demand-grid{grid-template-columns:1fr 1.2fr}
  .join-inner{grid-template-columns:1.5fr 1fr;align-items:center}
  .hero-inner{grid-template-columns:1.05fr .95fr}
}
@media (min-width:1024px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .network-grid{grid-template-columns:repeat(3,1fr)}
  .timeline{grid-template-columns:repeat(3,1fr)}
  .about-grid{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:repeat(3,1fr)}
  .gallery-strip{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1079px){
  .nav-toggle{display:flex}
  .nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid #e6e8f6;box-shadow:0 26px 44px -30px rgba(18,23,58,.6);display:none;padding:8px 0 14px;justify-content:flex-start}
  .nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;gap:0}
  .nav-links a{padding:13px 12px;font-size:15px;border-bottom:1px solid #f1f2fb;border-radius:0}
  .nav-links li:last-child a{border-bottom:0}
  .header-cta{padding:9px 16px;font-size:13.5px}
}
@media (max-width:640px){
  section{padding:58px 0}
  .hero{padding:44px 0 42px}
  .header-cta{display:none}
  .hero-actions .btn{flex:1 1 100%}
  .kefu-panel{right:0;bottom:64px;width:min(248px,calc(100vw - 44px))}
  .float-tools{right:14px;bottom:16px}
}