*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#141b2d;
  --ink-soft:#3d4560;
  --line:#e2e6f0;
  --brand:#5b4bff;
  --brand-2:#ff5ea8;
  --brand-3:#00c2a8;
  --orange:#ff8a3d;
  --bg:#f6f5ff;
  --card:#ffffff;
  --radius:18px;
}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(91,75,255,.1);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink);flex-shrink:0}
.brand img{height:38px;width:auto}
.brand span{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;list-style:none}
.nav-links li a{display:block;padding:8px 13px;font-size:14.5px;color:var(--ink-soft);font-weight:500;border-radius:8px;transition:color .25s,background .25s}
.nav-links li a:hover{color:var(--brand);background:rgba(91,75,255,.07)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 24px;border-radius:999px;font-size:14.5px;font-weight:600;
  border:none;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s;
  white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 22px rgba(91,75,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(91,75,255,.42)}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid rgba(91,75,255,.35)}
.btn-ghost:hover{background:rgba(91,75,255,.06);transform:translateY(-2px)}
.btn-small{padding:8px 18px;font-size:13.5px}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 12% 18%,rgba(255,94,168,.22),transparent 42%),
    radial-gradient(circle at 88% 12%,rgba(0,194,168,.2),transparent 40%),
    radial-gradient(circle at 70% 90%,rgba(91,75,255,.24),transparent 46%),
    linear-gradient(160deg,#f9f8ff 0%,#f2f0ff 55%,#eefcf8 100%);
  padding:76px 0 92px;
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;filter:blur(10px);opacity:.5;pointer-events:none;
}
.hero::before{width:230px;height:230px;background:rgba(91,75,255,.16);top:-70px;right:8%;animation:floaty 11s ease-in-out infinite}
.hero::after{width:170px;height:170px;background:rgba(255,138,61,.16);bottom:-50px;left:6%;animation:floaty 13s ease-in-out infinite reverse}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-22px)}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(91,75,255,.1);color:var(--brand);border:1px solid rgba(91,75,255,.22);
  margin-bottom:22px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--brand-3);display:inline-block;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.hero h1{font-size:clamp(28px,4.2vw,50px);line-height:1.24;font-weight:800;letter-spacing:-.5px;margin-bottom:20px}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--brand) 0%,var(--brand-2) 55%,var(--orange) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{font-size:16.5px;color:var(--ink-soft);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.hero-stat{
  flex:1 1 130px;background:rgba(255,255,255,.78);border:1px solid rgba(91,75,255,.14);
  border-radius:14px;padding:14px 18px;backdrop-filter:blur(6px);
  transition:transform .25s,box-shadow .25s;
}
.hero-stat:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(91,75,255,.16)}
.hero-stat b{display:block;font-size:20px;color:var(--brand);font-weight:800;line-height:1.3}
.hero-stat small{font-size:12.5px;color:var(--ink-soft)}
/* hero 右侧几何卡 */
.hero-visual{position:relative;min-height:340px;display:flex;align-items:center;justify-content:center}
.hv-card{
  position:relative;z-index:2;width:100%;max-width:360px;
  background:rgba(255,255,255,.82);border:1px solid rgba(91,75,255,.16);
  border-radius:24px;padding:26px 24px;backdrop-filter:blur(12px);
  box-shadow:0 24px 60px rgba(91,75,255,.18);
}
.hv-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.hv-card h3::before{content:"";width:8px;height:8px;border-radius:2px;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.hv-row{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;padding:9px 0;border-bottom:1px dashed rgba(91,75,255,.14);color:var(--ink-soft)}
.hv-row:last-child{border-bottom:none}
.hv-bar{height:6px;border-radius:4px;background:#eceaff;flex:1;margin-left:14px;overflow:hidden;max-width:96px}
.hv-bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--brand),var(--brand-2));animation:grow 2.2s ease both}
@keyframes grow{from{width:0}}
.hv-chip{
  position:absolute;background:#fff;border-radius:12px;padding:8px 14px;font-size:12.5px;font-weight:600;
  box-shadow:0 10px 26px rgba(20,27,45,.12);z-index:1;
}
.hv-chip.c1{top:14px;left:-6px;color:var(--brand);animation:floaty 7s ease-in-out infinite}
.hv-chip.c2{bottom:24px;right:-4px;color:var(--orange);animation:floaty 9s ease-in-out infinite reverse}
.hv-chip.c3{bottom:96px;left:-14px;color:var(--brand-3);animation:floaty 8s ease-in-out infinite}
/* ---------- 通用区块 ---------- */
section{padding:72px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--brand);background:rgba(91,75,255,.09);padding:5px 15px;border-radius:999px;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(23px,3.1vw,34px);font-weight:800;line-height:1.32;margin-bottom:12px;letter-spacing:-.3px}
.sec-head p{color:var(--ink-soft);font-size:15.5px}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
/* 关于我们 */
.about{background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.7) 100%)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:stretch}
.about-text{
  background:var(--card);border-radius:var(--radius);padding:36px 34px;
  border:1px solid var(--line);box-shadow:0 14px 40px rgba(91,75,255,.08);
}
.about-text h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;margin-bottom:16px}
.about-text p{color:var(--ink-soft);font-size:15px;margin-bottom:14px}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.about-point{
  display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--ink);
  background:rgba(91,75,255,.055);border-radius:12px;padding:11px 13px;font-weight:500;
}
.about-point::before{
  content:"";flex-shrink:0;width:16px;height:16px;border-radius:50%;margin-top:3px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.about-visual{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(140deg,#5b4bff,#ff5ea8 60%,#ff8a3d);
  padding:34px 30px;color:#fff;display:flex;flex-direction:column;justify-content:center;gap:18px;
}
.about-visual::after{
  content:"";position:absolute;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.14);top:-80px;right:-60px;
}
.about-visual h3{font-size:19px;font-weight:700;position:relative;z-index:2}
.about-visual .mv-row{position:relative;z-index:2;display:flex;gap:12px;align-items:flex-start}
.about-visual .mv-row b{font-size:15px;display:block;margin-bottom:2px}
.about-visual .mv-row p{font-size:13.5px;opacity:.92;margin:0}
.about-visual .mv-idx{
  width:28px;height:28px;flex-shrink:0;border-radius:9px;background:rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
/* AIGC 服务卡片 */
.services{background:#fff}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden;
}
.svc-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--orange));
  transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(91,75,255,.16);border-color:rgba(91,75,255,.28)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:#fff;margin-bottom:16px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.svc-card:nth-child(2) .svc-icon{background:linear-gradient(135deg,#00c2a8,#5b4bff)}
.svc-card:nth-child(3) .svc-icon{background:linear-gradient(135deg,#ff8a3d,#ff5ea8)}
.svc-card:nth-child(4) .svc-icon{background:linear-gradient(135deg,#5b4bff,#00c2a8)}
.svc-card:nth-child(5) .svc-icon{background:linear-gradient(135deg,#ff5ea8,#ff8a3d)}
.svc-card:nth-child(6) .svc-icon{background:linear-gradient(135deg,#3d4560,#5b4bff)}
.svc-card h3{font-size:17px;font-weight:700;margin-bottom:9px}
.svc-card p{font-size:14px;color:var(--ink-soft);margin-bottom:14px}
.svc-tags{display:flex;flex-wrap:wrap;gap:7px}
.svc-tags span{font-size:12px;color:var(--brand);background:rgba(91,75,255,.08);padding:4px 10px;border-radius:999px}
/* 一站式制作 / 场景 */
.make{background:linear-gradient(180deg,#f6f5ff 0%,#eefcf8 100%)}
.make-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.make-item{
  background:#fff;border-radius:16px;padding:24px 22px;border:1px solid rgba(91,75,255,.12);
  transition:transform .28s,box-shadow .28s;
}
.make-item:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(91,75,255,.13)}
.make-item .mi-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.make-item .mi-dot{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(91,75,255,.16),rgba(255,94,168,.16));
  color:var(--brand);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;
}
.make-item h3{font-size:15.5px;font-weight:700}
.make-item p{font-size:13.5px;color:var(--ink-soft);margin:0}
/* 平台模型标签云 */
.models{background:#fff}
.model-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.model-cloud span{
  padding:9px 18px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-soft);
  transition:all .25s;cursor:default;
}
.model-cloud span:nth-child(5n+1):hover{background:rgba(91,75,255,.1);color:var(--brand);border-color:rgba(91,75,255,.35);transform:translateY(-3px)}
.model-cloud span:nth-child(5n+3):hover{background:rgba(255,94,168,.1);color:var(--brand-2);border-color:rgba(255,94,168,.35);transform:translateY(-3px)}
.model-cloud span:nth-child(5n+4):hover{background:rgba(0,194,168,.1);color:#019b87;border-color:rgba(0,194,168,.35);transform:translateY(-3px)}
/* 行业方案 */
.solutions{background:linear-gradient(180deg,#eefcf8 0%,#f6f5ff 100%)}
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sol-card{
  background:#fff;border-radius:16px;padding:22px 20px;border-left:4px solid var(--brand);
  box-shadow:0 8px 24px rgba(91,75,255,.07);transition:transform .28s,box-shadow .28s;
}
.sol-card:nth-child(2){border-left-color:var(--brand-2)}
.sol-card:nth-child(3){border-left-color:var(--brand-3)}
.sol-card:nth-child(4){border-left-color:var(--orange)}
.sol-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(91,75,255,.14)}
.sol-card h3{font-size:15.5px;margin-bottom:8px;font-weight:700}
.sol-card p{font-size:13.5px;color:var(--ink-soft)}
/* 服务网络 */
.network{background:#fff}
.net-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.net-card{
  border:1px dashed rgba(91,75,255,.3);border-radius:16px;padding:24px 22px;background:rgba(91,75,255,.03);
  transition:background .28s,border-color .28s;
}
.net-card:hover{background:rgba(91,75,255,.06);border-color:rgba(91,75,255,.5)}
.net-card h3{font-size:16px;margin-bottom:8px;color:var(--brand)}
.net-card p{font-size:13.5px;color:var(--ink-soft)}
/* 标准流程 */
.process{background:linear-gradient(160deg,#f6f5ff 0%,#fdf2f8 100%)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{
  position:relative;background:#fff;border-radius:16px;padding:26px 18px 22px;
  border:1px solid var(--line);text-align:left;transition:transform .28s,box-shadow .28s;
}
.step:hover{transform:translateY(-6px);box-shadow:0 18px 38px rgba(91,75,255,.14)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:26px;font-weight:800;color:transparent;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;display:block;line-height:1;margin-bottom:12px;
}
.step h3{font-size:15px;font-weight:700;margin-bottom:7px}
.step p{font-size:13px;color:var(--ink-soft)}
/* 案例中心 */
.cases{background:#fff}
.case-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:20px;align-items:stretch}
.case-card{
  border-radius:18px;overflow:hidden;position:relative;background:#111a2e;min-height:240px;
  display:flex;flex-direction:column;justify-content:flex-end;transition:transform .3s,box-shadow .3s;
}
.case-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease;z-index:0}
.case-card:hover img{transform:scale(1.06)}
.case-card:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(20,27,45,.25)}
.case-card::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(15,20,40,.05) 30%,rgba(15,20,40,.85) 100%);
}
.case-info{position:relative;z-index:2;padding:22px 20px;color:#fff}
.case-info span{font-size:12px;background:rgba(255,255,255,.2);padding:3px 10px;border-radius:999px;display:inline-block;margin-bottom:8px}
.case-info h3{font-size:16.5px;margin-bottom:5px}
.case-info p{font-size:13px;opacity:.85}
.case-card.square{min-height:240px}
/* 对比评测 */
.compare{background:linear-gradient(180deg,#f6f5ff,#eef4ff)}
.compare-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start}
.score-card{
  background:linear-gradient(150deg,#1b1f3b,#3a2f7a 55%,#7a2f78);
  color:#fff;border-radius:22px;padding:32px 28px;position:relative;overflow:hidden;
  box-shadow:0 24px 50px rgba(27,31,59,.35);
}
.score-card::after{
  content:"";position:absolute;width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.08);bottom:-80px;right:-60px;
}
.score-card .label{font-size:13px;letter-spacing:1px;opacity:.75;margin-bottom:6px}
.score-card .score{font-size:60px;font-weight:800;line-height:1;letter-spacing:-2px}
.score-card .score small{font-size:20px;font-weight:600;opacity:.8}
.score-card .stars{color:#ffd75e;font-size:22px;letter-spacing:4px;margin:12px 0 16px}
.score-card p{font-size:13.5px;opacity:.85;position:relative;z-index:2}
.score-card .sc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;position:relative;z-index:2}
.score-card .sc-tags span{font-size:12px;background:rgba(255,255,255,.18);padding:5px 12px;border-radius:999px}
.table-wrap{overflow-x:auto;background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:0 14px 34px rgba(91,75,255,.08)}
table{width:100%;border-collapse:collapse;min-width:460px;font-size:14px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:rgba(91,75,255,.07);font-weight:700;color:var(--ink);white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .2s}
tbody tr:hover{background:rgba(91,75,255,.035)}
td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
td.yes{color:#019b87;font-weight:600}
td.gray{color:#8a90a5}
/* 客户评价 */
.reviews{background:#fff}
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 22px;
  box-shadow:0 8px 22px rgba(91,75,255,.06);transition:transform .28s,box-shadow .28s;
  display:flex;flex-direction:column;gap:12px;
}
.rev-card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(91,75,255,.14)}
.rev-stars{color:#ffb020;font-size:14px;letter-spacing:2px}
.rev-card p{font-size:14px;color:var(--ink-soft);flex:1}
.rev-user{display:flex;align-items:center;gap:11px;padding-top:12px;border-top:1px solid var(--line)}
.rev-avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;color:#fff;font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.rev-user b{display:block;font-size:14px}
.rev-user small{font-size:12px;color:#8a90a5}
/* Token 比价 */
.token{background:linear-gradient(180deg,#fdf2f8,#f6f5ff)}
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.token-card{
  background:#fff;border-radius:18px;padding:26px 24px;border:1px solid var(--line);
  transition:transform .28s,box-shadow .28s;position:relative;overflow:hidden;
}
.token-card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(255,94,168,.15)}
.token-card.pop{border:2px solid rgba(91,75,255,.4)}
.token-card.pop::after{
  content:"推荐";position:absolute;top:16px;right:-30px;transform:rotate(45deg);
  background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;
  font-size:12px;font-weight:600;padding:4px 36px;
}
.token-card h3{font-size:17px;margin-bottom:6px}
.token-card .price{font-size:30px;font-weight:800;color:var(--brand);margin:10px 0 4px}
.token-card .price small{font-size:13px;font-weight:500;color:#8a90a5}
.token-card ul{list-style:none;margin:16px 0;display:flex;flex-direction:column;gap:9px}
.token-card ul li{font-size:13.5px;color:var(--ink-soft);display:flex;gap:8px;align-items:flex-start}
.token-card ul li::before{content:"✓";color:var(--brand-3);font-weight:700;flex-shrink:0}
.token-card .btn{width:100%;margin-top:6px}
/* 文章 & 百科 */
.articles{background:#fff}
.art-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.art-list{display:flex;flex-direction:column;gap:14px}
.art-item{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.art-item:hover{transform:translateX(5px);border-color:rgba(91,75,255,.35);box-shadow:0 12px 28px rgba(91,75,255,.1)}
.art-num{
  font-size:20px;font-weight:800;flex-shrink:0;width:38px;height:38px;border-radius:10px;
  background:rgba(91,75,255,.08);color:var(--brand);display:flex;align-items:center;justify-content:center;
}
.art-item h3{font-size:15px;font-weight:700;margin-bottom:3px}
.art-item p{font-size:13px;color:var(--ink-soft)}
.art-side{background:linear-gradient(150deg,#f6f5ff,#eefcf8);border-radius:18px;padding:28px 26px;border:1px solid var(--line)}
.art-side h3{font-size:17px;margin-bottom:14px}
.art-side a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;
  font-size:14px;color:var(--ink-soft);border-bottom:1px dashed rgba(91,75,255,.18);transition:color .2s;
}
.art-side a:last-child{border-bottom:none}
.art-side a:hover{color:var(--brand)}
.art-side a span{color:var(--brand);font-size:16px}
/* 表单区 */
.contact{background:linear-gradient(160deg,#f6f5ff 0%,#eef4ff 60%,#fdf2f8 100%)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:stretch}
.contact-info{
  background:linear-gradient(155deg,#221f4d,#4b3a9e 55%,#a63a86);color:#fff;
  border-radius:22px;padding:36px 32px;display:flex;flex-direction:column;gap:18px;
  position:relative;overflow:hidden;
}
.contact-info::after{
  content:"";position:absolute;width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.08);bottom:-90px;right:-60px;
}
.contact-info h2{font-size:24px;font-weight:800;position:relative;z-index:2}
.contact-info>p{font-size:14px;opacity:.88;position:relative;z-index:2}
.ci-row{display:flex;gap:12px;align-items:flex-start;position:relative;z-index:2}
.ci-row .ci-ic{
  width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.16);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.ci-row b{font-size:14px;display:block;margin-bottom:2px}
.ci-row p{font-size:13px;opacity:.85;margin:0}
.ci-qr{display:flex;align-items:center;gap:14px;position:relative;z-index:2;margin-top:4px}
.ci-qr img{width:92px;height:92px;object-fit:cover;border-radius:12px;background:#fff;padding:5px}
.ci-qr div{font-size:13px;opacity:.85}
.form-card{background:#fff;border-radius:22px;padding:34px 32px;border:1px solid var(--line);box-shadow:0 18px 44px rgba(91,75,255,.1)}
.form-card h2{font-size:22px;font-weight:800;margin-bottom:6px}
.form-card>p{font-size:13.5px;color:var(--ink-soft);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:13.5px;font-weight:600;color:var(--ink)}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-size:14px;font-family:inherit;color:var(--ink);background:#fbfaff;
  transition:border-color .25s,box-shadow .25s;outline:none;
}
.form-group textarea{resize:vertical;min-height:96px}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,75,255,.14);background:#fff;
}
.form-card .btn{width:100%;margin-top:20px;padding:13px}
/* FAQ */
.faq{background:#fff}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fcfbff;transition:border-color .25s,box-shadow .25s}
.faq-item.open{border-color:rgba(91,75,255,.4);box-shadow:0 10px 26px rgba(91,75,255,.1)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:17px 20px;font-size:15px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:14px;font-family:inherit;
}
.faq-q .ic{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;background:rgba(91,75,255,.1);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;
  transition:transform .3s,background .3s;
}
.faq-item.open .faq-q .ic{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 20px 18px;font-size:14px;color:var(--ink-soft)}
/* 友情链接 */
.links{background:linear-gradient(180deg,#f6f5ff,#fff)}
.link-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.link-cloud a{
  font-size:13.5px;padding:8px 17px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--ink-soft);transition:all .25s;
}
.link-cloud a:hover{color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));border-color:transparent;transform:translateY(-3px)}
/* 页脚 */
.site-footer{background:#12162b;color:#c9cee0;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand img{height:36px;width:auto}
.footer-brand span{font-size:17px;font-weight:700;color:#fff}
.site-footer p{font-size:13.5px;color:#9aa1bb;margin-bottom:8px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col ul li a{font-size:13.5px;color:#9aa1bb;transition:color .2s}
.footer-col ul li a:hover{color:#fff}
.footer-contact li{font-size:13.5px;color:#9aa1bb;display:flex;gap:8px;align-items:flex-start}
.footer-contact li b{color:#e3e6f2;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;
  font-size:12.5px;color:#7d85a3;
}
.footer-bottom a{color:#9aa1bb}
.footer-bottom a:hover{color:#fff}
/* 浮动客服 & 返回顶部 */
.float-box{position:fixed;right:18px;bottom:24px;z-index:200;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.float-btn{
  width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  font-size:12px;font-weight:600;display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(91,75,255,.35);transition:transform .25s,box-shadow .25s;
  font-family:inherit;gap:2px;
}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(91,75,255,.45)}
.float-btn svg{width:22px;height:22px}
.fc-panel{
  position:fixed;right:18px;bottom:90px;z-index:201;width:240px;background:#fff;border-radius:16px;
  box-shadow:0 20px 48px rgba(20,27,45,.22);padding:20px;text-align:center;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s;
}
.fc-panel.show{opacity:1;visibility:visible;transform:none}
.fc-panel h4{font-size:15px;margin-bottom:10px;color:var(--ink)}
.fc-panel img{width:150px;height:150px;object-fit:cover;border-radius:12px;margin:0 auto 10px}
.fc-panel p{font-size:12.5px;color:var(--ink-soft);margin-bottom:4px}
.backtop{
  width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;background:#fff;color:var(--brand);
  box-shadow:0 10px 24px rgba(20,27,45,.14);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s;
}
.backtop.show{opacity:1;visibility:visible;transform:none}
.backtop:hover{background:var(--brand);color:#fff}
/* 响应式 */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .hero-visual{min-height:280px}
  .svc-grid,.make-grid,.rev-grid,.token-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .case-grid{grid-template-columns:1fr 1fr}
  .compare-wrap,.contact-grid,.art-grid,.about-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;padding:10px 16px 16px;
    box-shadow:0 16px 30px rgba(20,27,45,.12);border-bottom:1px solid var(--line);
  }
  .nav-links.open{display:flex}
  .nav-links li a{padding:11px 10px;border-radius:8px;font-size:15px}
  .menu-toggle{display:flex}
  .nav-cta .btn-ghost{display:none}
  .hero{padding:52px 0 64px}
  .hero-stats{gap:10px}
  .hero-stat{flex:1 1 44%;padding:12px 14px}
  section{padding:54px 0}
  .svc-grid,.make-grid,.rev-grid,.token-grid,.sol-grid,.net-grid,.steps{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .about-points{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .float-box{right:12px;bottom:16px}
  .fc-panel{right:12px;bottom:80px}
}
@media (max-width:480px){
  .hero-actions .btn{width:100%}
  .hv-card{max-width:100%}
  .container{padding:0 16px}
}