*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  color:#141a2e;
  font-size:16px;
  line-height:1.7;
  background-color:#fbfcff;
  background-image:
    radial-gradient(1100px 560px at 6% -6%, rgba(108,76,255,.13), transparent 62%),
    radial-gradient(900px 520px at 96% 4%, rgba(18,194,194,.12), transparent 62%),
    radial-gradient(900px 620px at 50% 42%, rgba(255,91,140,.06), transparent 66%),
    radial-gradient(900px 520px at 12% 88%, rgba(47,123,255,.08), transparent 64%),
    linear-gradient(180deg,#fdfdff 0%,#f7f8fe 46%,#faf8ff 100%);
}
img{max-width:100%;}
h1,h2,h3,h4{letter-spacing:-.2px;}
a{color:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:88px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid rgba(20,26,46,.07);
  border-top:3px solid transparent;
  border-image:linear-gradient(90deg,#6c4cff,#2f7bff,#12c2c2,#4bd07b,#ffd24a,#ff8a3d,#ff5b8c) 1;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:66px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.ai-page-logo{display:block;max-height:34px;width:auto;max-width:100%;object-fit:contain;}
.brand-name{font-size:17px;font-weight:800;color:#10162b;white-space:nowrap;letter-spacing:.4px;}
.site-nav{flex:1 1 auto;display:flex;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;flex-wrap:nowrap;}
.nav-links a{
  display:block;padding:8px 10px;font-size:14px;font-weight:500;color:#333c58;
  text-decoration:none;border-radius:9px;white-space:nowrap;
  transition:color .25s ease,background .25s ease;
}
.nav-links a:hover{color:#5a3ff0;background:rgba(108,76,255,.09);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:40px;height:38px;border-radius:10px;border:1px solid rgba(20,26,46,.14);
  background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#333c58;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;font-family:inherit;
}
.btn-primary{background:linear-gradient(120deg,#6c4cff,#2f7bff 58%,#12c2c2);color:#fff;box-shadow:0 10px 24px rgba(80,90,255,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(80,90,255,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:#2c3552;border-color:rgba(20,26,46,.14);box-shadow:0 8px 20px rgba(28,38,80,.07);}
.btn-ghost:hover{transform:translateY(-2px);color:#5a3ff0;border-color:rgba(108,76,255,.42);box-shadow:0 14px 30px rgba(108,76,255,.16);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ============ Hero ============ */
.hero{position:relative;padding:58px 0 46px;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;
  font-size:13px;font-weight:600;color:#4a3fd0;background:rgba(108,76,255,.1);
  border:1px solid rgba(108,76,255,.2);margin-bottom:20px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#6c4cff,#12c2c2);display:block;}
.hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.22;margin:0 0 18px;font-weight:800;color:#10162b;}
.hero h1 .hl{color:#5a3ff0;}
.hero-lead{font-size:16.5px;color:#4b5470;margin:0 0 26px;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{margin-top:18px;font-size:13.5px;color:#6b7490;display:flex;align-items:center;gap:8px;}
.hero-note::before{content:"";width:6px;height:6px;border-radius:50%;background:#12c2c2;display:block;flex-shrink:0;}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:320px;}
.hero-visual::before{
  content:"";position:absolute;width:230px;height:230px;border-radius:50%;
  background:linear-gradient(135deg,rgba(108,76,255,.32),rgba(18,194,194,.22));
  top:-14px;right:-6px;z-index:1;animation:floatY 7s ease-in-out infinite;
}
.hero-visual::after{
  content:"";position:absolute;width:150px;height:150px;border-radius:32px;
  background:linear-gradient(135deg,rgba(255,138,61,.28),rgba(255,91,140,.2));
  bottom:-6px;left:-4px;z-index:1;animation:floatY 9s ease-in-out infinite reverse;
}
.glass-card{
  position:relative;z-index:2;width:100%;max-width:400px;background:#fff;
  border-radius:22px;padding:24px;border:1px solid rgba(20,26,46,.08);
  box-shadow:0 26px 60px rgba(48,60,130,.15);
}
.gc-head{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;color:#10162b;margin-bottom:16px;}
.gc-head .pulse{width:9px;height:9px;border-radius:50%;background:#12c2c2;box-shadow:0 0 0 0 rgba(18,194,194,.6);animation:pulse 2.2s infinite;flex-shrink:0;}
.model-chips{display:flex;flex-wrap:wrap;gap:8px;}
.model-chips span{padding:5px 11px;border-radius:999px;font-size:12.5px;font-weight:600;background:#f3f5fd;color:#2c3552;border:1px solid rgba(20,26,46,.05);transition:transform .25s ease;}
.model-chips span:hover{transform:translateY(-2px);}
.model-chips span:nth-child(4n+1){background:#eef0ff;color:#4335c4;}
.model-chips span:nth-child(4n+2){background:#e8f3ff;color:#1d5ba8;}
.model-chips span:nth-child(4n+3){background:#e6f8f8;color:#0c6f6f;}
.model-chips span:nth-child(4n+4){background:#fff0f4;color:#a8264f;}
.gc-foot{margin-top:18px;padding-top:16px;border-top:1px dashed rgba(20,26,46,.12);font-size:13px;color:#5d6784;}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-16px);}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(18,194,194,.55);}70%{box-shadow:0 0 0 10px rgba(18,194,194,0);}100%{box-shadow:0 0 0 0 rgba(18,194,194,0);}}

/* ============ 数据指标 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:46px;}
.metric{
  background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:16px;padding:20px 16px;text-align:center;
  box-shadow:0 10px 26px rgba(28,38,80,.06);transition:transform .3s ease,box-shadow .3s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(28,38,80,.12);}
.metric .m-num{font-size:25px;font-weight:800;color:#5a3ff0;line-height:1.2;}
.metric:nth-child(2) .m-num{color:#1d5ba8;}
.metric:nth-child(3) .m-num{color:#0c6f6f;}
.metric:nth-child(4) .m-num{color:#a8264f;}
.metric .m-label{font-size:13.5px;color:#5d6784;margin-top:4px;}

/* ============ 通用区块 ============ */
.section{padding:70px 0;position:relative;}
.section--tint{background:linear-gradient(180deg,rgba(108,76,255,.05),rgba(18,194,194,.045));}
.section-head{max-width:760px;margin:0 auto 42px;text-align:center;}
.section-tag{
  display:inline-block;padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  color:#4335c4;background:#fff;border:1px solid rgba(108,76,255,.22);
  box-shadow:0 6px 18px rgba(108,76,255,.1);margin-bottom:14px;
}
.tag-blue{color:#1d5ba8;border-color:rgba(47,123,255,.24);box-shadow:0 6px 18px rgba(47,123,255,.1);}
.tag-cyan{color:#0c6f6f;border-color:rgba(18,194,194,.26);box-shadow:0 6px 18px rgba(18,194,194,.1);}
.tag-orange{color:#a85a15;border-color:rgba(255,138,61,.3);box-shadow:0 6px 18px rgba(255,138,61,.12);}
.tag-pink{color:#a8264f;border-color:rgba(255,91,140,.28);box-shadow:0 6px 18px rgba(255,91,140,.12);}
.tag-green{color:#1a7a4f;border-color:rgba(75,208,123,.32);box-shadow:0 6px 18px rgba(75,208,123,.12);}
.section-head h2{font-size:clamp(22px,3vw,31px);line-height:1.32;margin:0 0 12px;font-weight:800;color:#10162b;}
.section-head p{margin:0;color:#5d6784;font-size:15.5px;}

.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:stretch;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:stretch;}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;align-items:stretch;}

.card{
  background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:18px;padding:24px;
  box-shadow:0 10px 26px rgba(28,38,80,.06);display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:0 20px 42px rgba(28,38,80,.13);border-color:rgba(108,76,255,.24);}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.5px;margin-bottom:16px;flex-shrink:0;
  background:linear-gradient(135deg,#6c4cff,#9b7bff);
}
.grid-3>.card:nth-child(6n+1) .card-icon,.grid-auto>.card:nth-child(6n+1) .card-icon{background:linear-gradient(135deg,#6c4cff,#9b7bff);}
.grid-3>.card:nth-child(6n+2) .card-icon,.grid-auto>.card:nth-child(6n+2) .card-icon{background:linear-gradient(135deg,#2f7bff,#6cb4ff);}
.grid-3>.card:nth-child(6n+3) .card-icon,.grid-auto>.card:nth-child(6n+3) .card-icon{background:linear-gradient(135deg,#12c2c2,#5fd8d8);}
.grid-3>.card:nth-child(6n+4) .card-icon,.grid-auto>.card:nth-child(6n+4) .card-icon{background:linear-gradient(135deg,#ff8a3d,#ffb37a);}
.grid-3>.card:nth-child(6n+5) .card-icon,.grid-auto>.card:nth-child(6n+5) .card-icon{background:linear-gradient(135deg,#ff5b8c,#ff93b2);}
.grid-3>.card:nth-child(6n+6) .card-icon,.grid-auto>.card:nth-child(6n+6) .card-icon{background:linear-gradient(135deg,#4bd07b,#8ae0ac);}
.card h3{font-size:16.5px;margin:0 0 8px;color:#10162b;font-weight:700;}
.card p{margin:0;font-size:14.5px;color:#5d6784;line-height:1.68;}

/* 标签云 */
.tagcloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;justify-content:center;}
.tagcloud span{
  padding:7px 14px;border-radius:999px;font-size:13.5px;font-weight:500;
  background:#fff;color:#3a4463;border:1px solid rgba(20,26,46,.1);
  box-shadow:0 4px 12px rgba(28,38,80,.05);transition:transform .25s ease,border-color .25s ease,color .25s ease;
}
.tagcloud span:hover{transform:translateY(-2px);color:#5a3ff0;border-color:rgba(108,76,255,.36);}
.tagcloud--model span{font-size:13px;color:#3a4463;}
.subtitle-mini{text-align:center;font-size:14px;font-weight:700;color:#2c3552;margin:36px 0 0;}

/* ============ 一站式制作 ============ */
.studio-media{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:30px;}
.media-frame{
  border-radius:18px;overflow:hidden;background:#fff;border:1px solid rgba(20,26,46,.08);
  box-shadow:0 12px 30px rgba(28,38,80,.08);padding:10px;
  transition:transform .3s ease,box-shadow .3s ease;
}
.media-frame:hover{transform:translateY(-4px);box-shadow:0 20px 42px rgba(28,38,80,.13);}
.media-frame img{display:block;width:100%;height:auto;border-radius:12px;object-fit:contain;}
.steps-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.step-card{
  background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:16px;padding:22px 18px;
  box-shadow:0 10px 26px rgba(28,38,80,.06);position:relative;
  transition:transform .3s ease,box-shadow .3s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(28,38,80,.12);}
.step-num{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;
  background:linear-gradient(135deg,#6c4cff,#2f7bff);
}
.steps-4>.step-card:nth-child(2) .step-num{background:linear-gradient(135deg,#2f7bff,#12c2c2);}
.steps-4>.step-card:nth-child(3) .step-num{background:linear-gradient(135deg,#12c2c2,#4bd07b);}
.steps-4>.step-card:nth-child(4) .step-num{background:linear-gradient(135deg,#ff8a3d,#ff5b8c);}
.step-card h3{font-size:15.5px;margin:0 0 8px;color:#10162b;font-weight:700;}
.step-card p{margin:0;font-size:14px;color:#5d6784;line-height:1.65;}

/* ============ 标准流程时间线 ============ */
.timeline{position:relative;max-width:880px;margin:0 auto;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,#6c4cff,#2f7bff,#12c2c2,#4bd07b,#ff8a3d);
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 26px 8px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid #6c4cff;box-shadow:0 0 0 4px rgba(108,76,255,.12);
}
.tl-item:nth-child(2)::before{border-color:#2f7bff;box-shadow:0 0 0 4px rgba(47,123,255,.12);}
.tl-item:nth-child(3)::before{border-color:#12c2c2;box-shadow:0 0 0 4px rgba(18,194,194,.12);}
.tl-item:nth-child(4)::before{border-color:#4bd07b;box-shadow:0 0 0 4px rgba(75,208,123,.14);}
.tl-item:nth-child(5)::before{border-color:#ff8a3d;box-shadow:0 0 0 4px rgba(255,138,61,.14);}
.tl-item h3{font-size:16px;margin:0 0 6px;color:#10162b;font-weight:700;}
.tl-item p{margin:0;font-size:14.5px;color:#5d6784;}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.case-item{
  margin:0;background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:16px;overflow:hidden;
  box-shadow:0 10px 26px rgba(28,38,80,.06);padding:10px;
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-item:hover{transform:translateY(-5px);box-shadow:0 20px 42px rgba(28,38,80,.13);}
.case-item img{display:block;width:100%;height:auto;border-radius:10px;object-fit:contain;aspect-ratio:4/3;background:#f7f9ff;}

/* ============ 对比评测 ============ */
.score-card{
  display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:center;
  background:linear-gradient(120deg,#f4f2ff,#eef6ff 55%,#eefafa);
  border:1px solid rgba(108,76,255,.16);border-radius:20px;padding:26px 30px;margin-bottom:26px;
  box-shadow:0 16px 38px rgba(90,63,240,.1);
}
.score-value{font-size:44px;font-weight:800;color:#5a3ff0;line-height:1;}
.score-value small{font-size:16px;color:#5d6784;font-weight:600;margin-left:2px;}
.score-stars{display:flex;gap:4px;margin-top:8px;color:#ffb020;font-size:17px;letter-spacing:2px;}
.score-mid h3{margin:0 0 6px;font-size:18px;color:#10162b;}
.score-mid p{margin:0;font-size:14.5px;color:#5d6784;}
.score-badge{
  padding:9px 20px;border-radius:999px;font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(120deg,#6c4cff,#2f7bff);white-space:nowrap;
  box-shadow:0 10px 24px rgba(80,90,255,.28);
}
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px;
  border:1px solid rgba(20,26,46,.08);background:#fff;box-shadow:0 12px 30px rgba(28,38,80,.07);
}
.compare-table{width:100%;border-collapse:collapse;min-width:760px;}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;font-size:14.5px;border-bottom:1px solid rgba(20,26,46,.07);vertical-align:top;}
.compare-table thead th{background:linear-gradient(180deg,#f4f6ff,#edf1ff);color:#2c3552;font-weight:700;white-space:nowrap;}
.compare-table tbody th{font-weight:600;color:#10162b;white-space:nowrap;background:#fbfcff;}
.compare-table td.col-best{background:rgba(108,76,255,.055);color:#1b2340;font-weight:600;}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:none;}

/* ============ 评论 ============ */
.review-card{position:relative;padding-top:28px;}
.review-card::before{
  content:"“";position:absolute;top:6px;left:20px;font-size:46px;line-height:1;
  color:rgba(108,76,255,.16);font-family:Georgia,serif;
}
.review-text{margin:0 0 18px;font-size:14.5px;color:#3a4463;line-height:1.75;flex:1;}
.review-user{display:flex;align-items:center;gap:11px;border-top:1px dashed rgba(20,26,46,.12);padding-top:14px;}
.review-avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  color:#fff;font-size:13px;font-weight:700;flex-shrink:0;
  background:linear-gradient(135deg,#6c4cff,#2f7bff);
}
.grid-3>.review-card:nth-child(2) .review-avatar{background:linear-gradient(135deg,#2f7bff,#12c2c2);}
.grid-3>.review-card:nth-child(3) .review-avatar{background:linear-gradient(135deg,#12c2c2,#4bd07b);}
.grid-3>.review-card:nth-child(4) .review-avatar{background:linear-gradient(135deg,#ff8a3d,#ffb37a);}
.grid-3>.review-card:nth-child(5) .review-avatar{background:linear-gradient(135deg,#ff5b8c,#ff93b2);}
.grid-3>.review-card:nth-child(6) .review-avatar{background:linear-gradient(135deg,#4bd07b,#8ae0ac);}
.review-name{font-size:14px;font-weight:700;color:#10162b;line-height:1.3;}
.review-role{font-size:12.5px;color:#6b7490;}

/* ============ Token 比价 ============ */
.price-note{
  display:flex;gap:12px;align-items:flex-start;background:#f2f6ff;border:1px solid rgba(47,123,255,.18);
  border-radius:14px;padding:16px 18px;margin-bottom:26px;font-size:14px;color:#33416b;
}
.price-note strong{color:#1d5ba8;}
.plan-card{position:relative;overflow:hidden;}
.plan-card .plan-name{font-size:16px;font-weight:800;color:#10162b;margin:0 0 6px;}
.plan-card .plan-sub{font-size:13px;color:#7a839e;margin:0 0 14px;}
.plan-list{list-style:none;margin:0 0 18px;padding:0;font-size:14px;color:#4b5470;}
.plan-list li{padding-left:18px;position:relative;margin-bottom:8px;line-height:1.6;}
.plan-list li::before{
  content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,#6c4cff,#12c2c2);
}

/* ============ 服务网络 ============ */
.net-card{display:flex;flex-direction:column;gap:6px;padding:22px;}
.net-card .net-label{font-size:12.5px;font-weight:700;color:#5a3ff0;letter-spacing:.5px;}
.net-card .net-value{font-size:15px;font-weight:700;color:#10162b;word-break:break-all;}
.net-card .net-desc{font-size:13.5px;color:#5d6784;margin:0;}

/* ============ 加盟代理 ============ */
.join-wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center;
  background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:22px;padding:30px;
  box-shadow:0 18px 42px rgba(28,38,80,.09);
}
.join-wrap h2{font-size:clamp(21px,2.6vw,28px);margin:0 0 12px;color:#10162b;font-weight:800;}
.join-wrap p{margin:0 0 18px;color:#5d6784;font-size:15px;}
.join-list{list-style:none;margin:0 0 22px;padding:0;}
.join-list li{
  display:flex;gap:10px;font-size:14.5px;color:#3a4463;margin-bottom:12px;line-height:1.65;
}
.join-list li::before{
  content:"✓";flex-shrink:0;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:#fff;margin-top:2px;
  background:linear-gradient(135deg,#12c2c2,#4bd07b);
}

/* ============ 文章 ============ */
.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:34px;}
.article-item{
  display:flex;flex-direction:column;gap:8px;text-decoration:none;background:#fff;
  border:1px solid rgba(20,26,46,.08);border-radius:16px;padding:20px;
  box-shadow:0 10px 26px rgba(28,38,80,.06);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.article-item:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(28,38,80,.12);border-color:rgba(108,76,255,.24);}
.article-tag{
  align-self:flex-start;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;
  color:#4335c4;background:#eef0ff;
}
.article-item h3{font-size:15px;margin:0;color:#10162b;font-weight:700;line-height:1.5;}
.article-item p{margin:0;font-size:13.5px;color:#5d6784;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:14px;margin-bottom:12px;
  box-shadow:0 8px 22px rgba(28,38,80,.05);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(108,76,255,.32);box-shadow:0 14px 32px rgba(108,76,255,.11);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 52px 17px 20px;font-weight:600;
  color:#141a2e;font-size:15.5px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
  border-right:2px solid #6c4cff;border-bottom:2px solid #6c4cff;
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-body{padding:0 20px 20px;color:#5d6784;font-size:14.5px;line-height:1.75;}
.faq-body p{margin:0;}

/* ============ 联系我们 ============ */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start;}
.form-card{
  background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:20px;padding:28px;
  box-shadow:0 16px 40px rgba(28,38,80,.09);
}
.form-card h3{font-size:19px;margin:0 0 6px;color:#10162b;font-weight:800;}
.form-card .form-hint{margin:0 0 22px;font-size:14px;color:#5d6784;}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.form-field{display:block;margin-bottom:16px;}
.form-field>span{display:block;font-size:13.5px;font-weight:600;color:#2c3552;margin-bottom:8px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;border:1px solid rgba(20,26,46,.15);border-radius:12px;
  font-size:14.5px;color:#141a2e;background:#fbfcff;font-family:inherit;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.form-field textarea{resize:vertical;min-height:104px;}
.form-field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#6b7490 50%),linear-gradient(135deg,#6b7490 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:#6c4cff;background:#fff;box-shadow:0 0 0 3px rgba(108,76,255,.14);
}
.form-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.form-tip{font-size:13px;color:#6b7490;}
.contact-side{display:flex;flex-direction:column;gap:16px;}
.contact-block{
  background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:18px;padding:22px;
  box-shadow:0 12px 30px rgba(28,38,80,.07);
}
.contact-block h3{font-size:15.5px;margin:0 0 14px;color:#10162b;font-weight:700;}
.contact-line{display:flex;justify-content:space-between;gap:14px;font-size:14px;padding:8px 0;border-bottom:1px dashed rgba(20,26,46,.1);}
.contact-line:last-child{border-bottom:none;}
.contact-line .k{color:#6b7490;flex-shrink:0;}
.contact-line .v{color:#141a2e;font-weight:600;word-break:break-all;text-align:right;}
.qr-box{display:flex;align-items:center;gap:16px;}
.qr-box img{width:118px;height:auto;display:block;border-radius:12px;border:1px solid rgba(20,26,46,.1);flex-shrink:0;}
.qr-box .qr-text{font-size:13.5px;color:#5d6784;margin:0;}
.qr-box .qr-text strong{display:block;color:#10162b;font-size:14.5px;margin-bottom:4px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:#111a2f;color:#c3cbe2;margin-top:0;padding:0 0 22px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,#6c4cff,#2f7bff,#12c2c2,#4bd07b,#ffd24a,#ff8a3d,#ff5b8c);
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1fr;gap:26px;padding:44px 0 26px;}
.footer-brand{display:flex;flex-direction:column;gap:12px;}
.footer-brand .brand-name{color:#fff;font-size:17px;}
.footer-brand p{margin:0;font-size:13.5px;color:#97a2bf;line-height:1.7;}
.footer-col h4{font-size:14px;margin:0 0 14px;color:#fff;font-weight:700;letter-spacing:.4px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:#a7b2cf;text-decoration:none;font-size:13.5px;transition:color .25s ease;}
.footer-col a:hover{color:#fff;}
.footer-col .foot-text{font-size:13.5px;color:#a7b2cf;margin:0 0 9px;word-break:break-all;}
.footer-friend{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;margin-bottom:16px;}
.footer-friend .fr-title{font-size:13.5px;color:#fff;font-weight:700;margin:0 0 12px;}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 20px;}
.friend-links a{color:#a7b2cf;text-decoration:none;font-size:13px;transition:color .25s ease;}
.friend-links a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:18px;font-size:13px;color:#8d98b6;
  display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:center;text-align:center;
}
.footer-bottom a{color:#b9c3dd;text-decoration:none;}
.footer-bottom a:hover{color:#fff;}

/* ============ 浮动客服 ============ */
.float-dock{position:fixed;right:18px;bottom:22px;z-index:300;display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.dock-btn{
  min-width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;
  background:linear-gradient(135deg,#6c4cff,#2f7bff);color:#fff;font-size:13px;font-weight:700;
  font-family:inherit;box-shadow:0 12px 26px rgba(80,90,255,.35);
  transition:transform .25s ease,box-shadow .25s ease;display:grid;place-items:center;padding:0 10px;
}
.dock-btn:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(80,90,255,.44);}
.dock-top{background:#fff;color:#3a4463;border:1px solid rgba(20,26,46,.14);box-shadow:0 10px 24px rgba(28,38,80,.14);font-size:12.5px;}
.dock-top:hover{color:#5a3ff0;}
.kefu-panel{
  position:absolute;right:64px;bottom:0;width:214px;background:#fff;border-radius:16px;
  border:1px solid rgba(20,26,46,.1);box-shadow:0 20px 46px rgba(28,38,80,.18);
  padding:16px;text-align:center;display:none;
}
.kefu-panel.open{display:block;animation:fadeUp .28s ease;}
.kefu-panel img{display:block;width:150px;height:auto;margin:0 auto 10px;border-radius:10px;border:1px solid rgba(20,26,46,.1);}
.kefu-panel .kefu-title{font-size:14px;font-weight:700;color:#10162b;margin:0 0 10px;}
.kefu-panel .kefu-tip{font-size:12.5px;color:#6b7490;margin:0;line-height:1.6;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}

/* ============ 滚动渐入 ============ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s cubic-bezier(.22,.61,.36,1),transform .65s cubic-bezier(.22,.61,.36,1);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .hero-visual::before,.hero-visual::after,.gc-head .pulse{animation:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{min-height:auto;}
  .hero-visual::before{width:170px;height:170px;right:auto;left:-10px;top:-16px;}
  .hero-visual::after{width:120px;height:120px;bottom:-14px;right:0;left:auto;}
  .glass-card{max-width:100%;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .contact-grid{grid-template-columns:1fr;}
  .join-wrap{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:980px){
  .site-nav{
    position:absolute;top:100%;left:0;right:0;display:none;background:#fff;
    border-top:1px solid rgba(20,26,46,.08);box-shadow:0 22px 38px rgba(28,38,80,.14);
    padding:10px 20px 16px;
  }
  .site-nav.open{display:block;animation:fadeUp .25s ease;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:12px 8px;font-size:15px;border-radius:10px;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
}
@media (max-width:860px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .score-card{grid-template-columns:1fr;gap:16px;text-align:left;}
  .score-badge{justify-self:start;}
  .studio-media{grid-template-columns:1fr;}
}
@media (max-width:680px){
  .section{padding:52px 0;}
  .hero{padding:42px 0 34px;}
  .grid-2,.grid-3,.grid-4,.grid-auto,.steps-4,.case-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:22px;padding:34px 0 20px;}
  .brand-name{font-size:16px;}
  .float-dock{right:12px;bottom:16px;}
  .dock-btn{min-width:48px;height:48px;font-size:12.5px;}
  .kefu-panel{right:0;bottom:60px;width:200px;}
  .qr-box{flex-direction:column;align-items:flex-start;}
  .form-card{padding:22px;}
  .score-card{padding:22px;}
  .join-wrap{padding:24px;}
}