:root{
  --brand:#3b2f8f;
  --brand2:#6c4cf1;
  --accent:#ff7a3d;
  --pink:#ff4d8d;
  --teal:#12c2a0;
  --gold:#ffc247;
  --ink:#1b1830;
  --sub:#5a5771;
  --line:rgba(59,47,143,.12);
  --bg:#f7f6fc;
  --card:#ffffff;
  --radius:18px;
  --shadow:0 14px 40px rgba(59,47,143,.10);
  --shadow-hover:0 22px 56px rgba(59,47,143,.18);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,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{color:inherit;text-decoration:none;}
ul{list-style:none;}
.container{width:min(1200px,92%);margin:0 auto;}
section{padding:78px 0;position:relative;}
h1,h2,h3,h4{line-height:1.3;font-weight:800;letter-spacing:.2px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--brand2);background:rgba(108,76,241,.10);
  padding:6px 16px;border-radius:99px;margin-bottom:16px;
}
.sec-title{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px;}
.sec-title em{font-style:normal;background:linear-gradient(96deg,var(--brand2),var(--pink) 55%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.sec-desc{color:var(--sub);max-width:760px;font-size:15.5px;}
.sec-head{margin-bottom:42px;}

/* ===== 顶部导航 ===== */
header.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.88);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ai-page-logo{height:38px;width:auto;}
.brand-name{font-weight:800;font-size:18px;color:var(--brand);}
.brand-sub{font-size:11px;color:var(--sub);letter-spacing:1px;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.nav-links a{
  font-size:14px;font-weight:600;color:var(--ink);padding:8px 11px;border-radius:9px;
  transition:.22s;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand2);background:rgba(108,76,241,.08);}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(120deg,var(--brand2),var(--pink));
  color:#fff !important;padding:9px 18px !important;border-radius:99px;
  box-shadow:0 8px 20px rgba(108,76,241,.32);
}
.nav-cta:hover{transform:translateY(-2px);background:linear-gradient(120deg,var(--pink),var(--brand2));}
.menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--brand);padding:6px 10px;}

/* ===== Hero 首屏（无图片） ===== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 480px at 82% 8%,rgba(108,76,241,.28),transparent 62%),
    radial-gradient(720px 420px at 6% 90%,rgba(255,77,141,.20),transparent 60%),
    radial-gradient(620px 380px at 50% 30%,rgba(18,194,160,.12),transparent 65%),
    linear-gradient(155deg,#241c55 0%,#3b2f8f 46%,#5b3fbd 100%);
  color:#fff;padding:96px 0 110px;
}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 78%);
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(6px);pointer-events:none;}
.hero-blob.b1{width:190px;height:190px;right:8%;top:16%;background:linear-gradient(135deg,rgba(255,194,71,.85),rgba(255,122,61,.65));animation:float 9s ease-in-out infinite;}
.hero-blob.b2{width:110px;height:110px;right:26%;bottom:14%;background:linear-gradient(135deg,rgba(18,194,160,.8),rgba(108,76,241,.5));animation:float 11s ease-in-out infinite reverse;}
.hero-blob.b3{width:70px;height:70px;right:44%;top:12%;background:rgba(255,255,255,.16);animation:float 7s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0) rotate(0);}50%{transform:translateY(-24px) rotate(10deg);}}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  padding:7px 16px;border-radius:99px;margin-bottom:22px;letter-spacing:.5px;
}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,194,71,.25);}
.hero h1{font-size:clamp(30px,5vw,54px);line-height:1.22;margin-bottom:20px;letter-spacing:-.5px;}
.hero h1 em{font-style:normal;background:linear-gradient(96deg,#ffc247,#ff7a3d 50%,#ff4d8d);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.82);max-width:660px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:46px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15.5px;padding:14px 30px;border-radius:99px;
  border:none;cursor:pointer;transition:.25s;text-align:center;
}
.btn-primary{background:linear-gradient(120deg,var(--gold),var(--accent) 60%,var(--pink));color:#2a1400;box-shadow:0 14px 34px rgba(255,122,61,.42);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(255,122,61,.55);}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.38);}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-3px);}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.hero-stat{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  border-radius:16px;padding:18px 16px;backdrop-filter:blur(6px);transition:.25s;
}
.hero-stat:hover{transform:translateY(-4px);background:rgba(255,255,255,.16);}
.hero-stat .num{font-size:clamp(22px,2.6vw,30px);font-weight:800;background:linear-gradient(96deg,#ffc247,#ff8a5c);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-stat .lab{font-size:13px;color:rgba(255,255,255,.75);margin-top:4px;}

/* ===== 通用卡片 / 动画 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
.card{
  background:var(--card);border-radius:var(--radius);border:1px solid var(--line);
  padding:28px;transition:.28s;box-shadow:0 6px 22px rgba(59,47,143,.05);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(108,76,241,.28);}
.grid{display:grid;gap:22px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.icon-box{
  width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  font-size:24px;margin-bottom:16px;background:linear-gradient(140deg,rgba(108,76,241,.14),rgba(255,77,141,.14));
}
.card h3{font-size:17.5px;margin-bottom:8px;}
.card p{font-size:14.5px;color:var(--sub);}

/* ===== 关于我们 ===== */
.about-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.about-text p{color:var(--sub);margin-bottom:14px;font-size:15.5px;}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.tag{font-size:13px;font-weight:600;padding:6px 14px;border-radius:99px;background:rgba(108,76,241,.09);color:var(--brand2);border:1px solid rgba(108,76,241,.16);transition:.2s;}
.tag:hover{background:var(--brand2);color:#fff;transform:translateY(-2px);}
.about-visual{
  border-radius:24px;padding:34px;color:#fff;
  background:linear-gradient(150deg,#3b2f8f,#6c4cf1 55%,#ff4d8d);
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.about-visual::after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.12);right:-60px;top:-60px;}
.about-visual h3{font-size:20px;margin-bottom:18px;position:relative;z-index:1;}
.about-list{display:grid;gap:14px;position:relative;z-index:1;}
.about-list li{display:flex;gap:12px;font-size:14.5px;align-items:flex-start;}
.about-list .chk{
  width:22px;height:22px;flex-shrink:0;border-radius:50%;background:rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:2px;
}

/* ===== 数据指标 ===== */
.metrics{background:linear-gradient(180deg,#fff,#f2f0fb);}
.metric-card{
  background:#fff;border-radius:var(--radius);padding:30px 24px;text-align:center;
  border:1px solid var(--line);transition:.28s;
}
.metric-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.metric-num{font-size:clamp(28px,3.4vw,40px);font-weight:800;background:linear-gradient(96deg,var(--brand2),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric-lab{font-size:14px;color:var(--sub);margin-top:6px;}

/* ===== 服务能力 ===== */
.svc-card{display:flex;flex-direction:column;height:100%;}
.svc-badge{align-self:flex-start;font-size:12px;font-weight:700;padding:3px 12px;border-radius:99px;background:rgba(18,194,160,.12);color:#0a9c80;margin-bottom:12px;}
.svc-badge.hot{background:rgba(255,77,141,.12);color:#d92e6d;}
.svc-badge.newb{background:rgba(255,194,71,.18);color:#a86a00;}

/* ===== 一站式制作 / 平台介绍 ===== */
.platform-intro{background:linear-gradient(160deg,#f6f4ff,#fdf1f6);}
.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.intro-item{background:#fff;border-radius:16px;padding:24px;border:1px solid var(--line);transition:.25s;}
.intro-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.intro-item h4{font-size:16px;margin-bottom:8px;color:var(--brand);}
.intro-item p{font-size:14px;color:var(--sub);}

/* ===== 流程步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.step{
  position:relative;background:#fff;border-radius:var(--radius);padding:30px 22px 24px;
  border:1px solid var(--line);transition:.28s;
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-16px;left:22px;font-size:22px;font-weight:800;color:#fff;
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand2),var(--pink));box-shadow:0 8px 18px rgba(108,76,241,.35);
}
.step h4{margin:14px 0 8px;font-size:16.5px;}
.step p{font-size:14px;color:var(--sub);}

/* ===== 行业方案 / 服务网络 ===== */
.solution-band{background:linear-gradient(150deg,#241c55,#4a34a8 60%,#7a4fd6);color:#fff;}
.solution-band .sec-desc{color:rgba(255,255,255,.78);}
.sol-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:26px;transition:.28s;}
.sol-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.16);}
.sol-card h4{font-size:17px;margin-bottom:8px;}
.sol-card p{font-size:14px;color:rgba(255,255,255,.78);}
.net-wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.net-item{background:#fff;border-radius:14px;padding:22px 16px;text-align:center;border:1px solid var(--line);transition:.25s;}
.net-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(108,76,241,.3);}
.net-dot{width:12px;height:12px;border-radius:50%;background:var(--teal);margin:0 auto 12px;box-shadow:0 0 0 5px rgba(18,194,160,.16);}
.net-item h5{font-size:15px;margin-bottom:4px;}
.net-item span{font-size:12.5px;color:var(--sub);}

/* ===== 案例中心 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.28s;display:flex;flex-direction:column;}
.case-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-hover);}
.case-media{position:relative;overflow:hidden;background:#e9e6f7;}
.case-media img{width:100%;height:210px;object-fit:cover;transition:.5s;}
.case-card:hover .case-media img{transform:scale(1.06);}
.case-media.square img{height:260px;object-fit:cover;}
.case-body{padding:22px;flex:1;display:flex;flex-direction:column;}
.case-body h4{font-size:16.5px;margin-bottom:8px;}
.case-body p{font-size:14px;color:var(--sub);flex:1;}
.case-meta{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;}
.case-meta span{font-size:12px;font-weight:600;padding:3px 10px;border-radius:99px;background:rgba(108,76,241,.09);color:var(--brand2);}

/* ===== 对比评测 ===== */
.compare-wrap{background:linear-gradient(180deg,#fff,#f4f2fc);}
.score-panel{
  display:grid;grid-template-columns:280px 1fr;gap:30px;align-items:center;
  background:#fff;border-radius:22px;border:1px solid var(--line);padding:36px;box-shadow:var(--shadow);margin-bottom:34px;
}
.score-big{text-align:center;border-right:1px dashed var(--line);padding-right:20px;}
.score-big .num{font-size:64px;font-weight:800;line-height:1;background:linear-gradient(96deg,var(--brand2),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;}
.score-big .of{font-size:14px;color:var(--sub);margin-top:6px;}
.stars{color:var(--gold);font-size:22px;letter-spacing:3px;margin-top:10px;}
.score-big .rec{margin-top:12px;font-size:14px;color:var(--brand2);font-weight:700;}
.score-text h3{font-size:19px;margin-bottom:12px;}
.score-text p{font-size:14.5px;color:var(--sub);margin-bottom:10px;}
.score-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 22px;margin-top:10px;}
.score-points li{font-size:14px;color:var(--ink);display:flex;gap:8px;align-items:flex-start;}
.score-points li::before{content:"✓";color:var(--teal);font-weight:800;flex-shrink:0;}
.table-scroll{overflow-x:auto;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:0 8px 26px rgba(59,47,143,.06);}
table.cmp{width:100%;border-collapse:collapse;min-width:720px;}
table.cmp th,table.cmp td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);}
table.cmp thead th{background:linear-gradient(120deg,#3b2f8f,#6c4cf1);color:#fff;font-weight:700;font-size:14px;white-space:nowrap;}
table.cmp tbody tr:hover{background:rgba(108,76,241,.04);}
table.cmp td.hl{color:var(--brand2);font-weight:700;}
table.cmp .win{color:#0a9c80;font-weight:700;}

/* ===== 帮助中心 / 用户评论 ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.review-card{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line);transition:.28s;display:flex;flex-direction:column;}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.review-stars{color:var(--gold);font-size:15px;letter-spacing:2px;margin-bottom:12px;}
.review-card p{font-size:14.5px;color:var(--sub);flex:1;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);}
.avatar{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;font-size:15px;flex-shrink:0;
}
.review-user strong{display:block;font-size:14.5px;}
.review-user span{font-size:12.5px;color:var(--sub);}

/* ===== Token比价 ===== */
.price-section{background:linear-gradient(160deg,#f6f4ff,#fdf1f6);}
.price-note{font-size:13px;color:var(--sub);margin-top:14px;}
.badge-best{display:inline-block;font-size:11.5px;font-weight:800;color:#fff;background:linear-gradient(120deg,var(--accent),var(--pink));padding:2px 10px;border-radius:99px;margin-left:8px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{background:#fff;border-radius:14px;border:1px solid var(--line);overflow:hidden;transition:.25s;}
.faq-item:hover{border-color:rgba(108,76,241,.32);box-shadow:0 8px 22px rgba(59,47,143,.07);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:20px 24px;font-size:15.5px;font-weight:700;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;
}
.faq-q .plus{font-size:20px;color:var(--brand2);transition:.3s;flex-shrink:0;line-height:1;}
.faq-item.open .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 20px;color:var(--sub);font-size:14.5px;}

/* ===== 文章列表 ===== */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.article-card{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line);transition:.28s;}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.article-card .a-tag{font-size:12px;font-weight:700;color:var(--teal);letter-spacing:1px;}
.article-card h4{font-size:16.5px;margin:8px 0 10px;}
.article-card p{font-size:14px;color:var(--sub);}
.article-card a.more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand2);}
.article-card a.more:hover{text-decoration:underline;}

/* ===== 表单 ===== */
.form-band{background:linear-gradient(150deg,#241c55,#4a34a8 55%,#8a4fd6);color:#fff;}
.form-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:start;}
.form-info h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.form-info p{color:rgba(255,255,255,.8);font-size:15px;margin-bottom:22px;}
.contact-list{display:grid;gap:14px;}
.contact-list li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.88);align-items:flex-start;}
.contact-list .ci{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px;}
.qr-box{margin-top:24px;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:16px;}
.qr-box img{width:96px;height:96px;object-fit:cover;border-radius:10px;background:#fff;padding:4px;}
.qr-box span{font-size:13.5px;color:rgba(255,255,255,.85);}
form.need-form{background:#fff;border-radius:22px;padding:32px;box-shadow:0 24px 60px rgba(0,0,0,.22);}
form.need-form h3{color:var(--ink);font-size:20px;margin-bottom:6px;}
form.need-form .fs{font-size:13.5px;color:var(--sub);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid #e3e0f0;border-radius:11px;
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfaff;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand2);background:#fff;box-shadow:0 0 0 4px rgba(108,76,241,.10);}
.field textarea{resize:vertical;min-height:96px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
form.need-form .btn{width:100%;margin-top:6px;}
.form-note{font-size:12px;color:var(--sub);text-align:center;margin-top:12px;}

/* ===== 页脚 ===== */
footer.site-footer{background:#171233;color:rgba(255,255,255,.72);padding:64px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;margin-bottom:40px;}
.foot-brand .brand-name{color:#fff;}
.foot-brand p{font-size:13.5px;margin:14px 0;color:rgba(255,255,255,.62);}
.foot-social{display:flex;flex-wrap:wrap;gap:8px;}
.foot-social span{font-size:12.5px;padding:4px 12px;border-radius:99px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);}
footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
footer ul.foot-links{display:grid;gap:10px;}
footer ul.foot-links a{font-size:13.5px;color:rgba(255,255,255,.62);transition:.2s;}
footer ul.foot-links a:hover{color:#ffc247;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5);}
.foot-links-inline{display:flex;gap:16px;flex-wrap:wrap;}

/* ===== 浮动客服 / 返回顶部 ===== */
.float-dock{position:fixed;right:20px;bottom:26px;z-index:1200;display:flex;flex-direction:column;gap:12px;align-items:center;}
.dock-btn{
  width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;
  background:linear-gradient(135deg,var(--brand2),var(--pink));
  box-shadow:0 12px 28px rgba(108,76,241,.4);transition:.25s;position:relative;
}
.dock-btn:hover{transform:scale(1.08);}
.dock-btn.top{background:#fff;color:var(--brand);border:1px solid var(--line);box-shadow:0 10px 24px rgba(59,47,143,.18);}
.kefu-pop{
  position:absolute;right:64px;bottom:0;width:210px;background:#fff;border-radius:14px;
  box-shadow:0 20px 46px rgba(59,47,143,.22);padding:14px;display:none;text-align:center;
}
.kefu-pop.show{display:block;animation:pop .25s ease;}
@keyframes pop{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.kefu-pop img{width:100%;border-radius:8px;margin-bottom:8px;}
.kefu-pop p{font-size:12.5px;color:var(--sub);}

/* ===== 响应式 ===== */
@media(max-width:1080px){
  .g4{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .intro-grid,.net-wrap{grid-template-columns:repeat(3,1fr);}
  .case-grid,.review-grid,.article-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .about-wrap,.form-wrap{grid-template-columns:1fr;}
  .score-panel{grid-template-columns:1fr;text-align:center;}
  .score-big{border-right:none;border-bottom:1px dashed var(--line);padding-right:0;padding-bottom:22px;}
  .score-points{text-align:left;}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px;}
  .nav-links{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;padding:12px 4%;gap:0;border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(59,47,143,.1);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 10px;}
  .nav-cta{margin:8px 10px;}
  .menu-toggle{display:block;}
  .nav-wrap{position:relative;}
}
@media(max-width:760px){
  section{padding:56px 0;}
  .g2,.g3,.g4,.intro-grid,.net-wrap,.case-grid,.review-grid,.article-grid,.form-row{grid-template-columns:1fr;}
  .hero{padding:70px 0 80px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hero-blob.b1{width:120px;height:120px;right:-30px;}
  .hero-blob.b2,.hero-blob.b3{display:none;}
  .steps{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .score-panel{padding:24px;}
  .dock-btn{width:46px;height:46px;}
  .float-dock{right:12px;bottom:16px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  form.need-form{padding:24px;}
}