:root{
  --ink:#101828;
  --sub:#475467;
  --line:#e4e9f2;
  --brand:#2563eb;
  --brand-2:#7c3aed;
  --brand-3:#06b6d4;
  --accent:#ff6a3d;
  --bg:#f6f8fd;
  --card:#ffffff;
  --radius:16px;
  --shadow:0 10px 30px rgba(16,24,40,.08);
  --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(900px 420px at 8% -6%, rgba(37,99,235,.14), transparent 60%),
    radial-gradient(760px 400px at 96% 4%, rgba(124,58,237,.14), transparent 62%),
    radial-gradient(880px 520px at 50% 40%, rgba(6,182,212,.07), transparent 70%),
    linear-gradient(180deg,#f7f9ff 0%,#f4f7fe 40%,#f7f9ff 100%);
  background-attachment:fixed;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
ul{list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
section{padding:64px 0}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);background:rgba(37,99,235,.09);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;letter-spacing:-.01em}
.section-desc{color:var(--sub);font-size:15.5px;margin-top:12px}
h3{font-size:18px;line-height:1.45}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(228,233,242,.9);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{width:132px;max-height:40px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  font-size:14.5px;color:#334155;font-weight:600;
  padding:8px 11px;border-radius:9px;transition:.22s;
}
.nav-links a:hover{color:var(--brand);background:rgba(37,99,235,.08)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;font-family:inherit;font-weight:700;
  border-radius:12px;padding:12px 22px;font-size:15px;
  transition:transform .2s,box-shadow .25s,background .25s,color .25s;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(120deg,#2563eb,#6d28d9 60%,#0891b2);
  box-shadow:0 10px 24px rgba(37,99,235,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(37,99,235,.4)}
.btn-ghost{
  color:var(--ink);background:#fff;border:1.5px solid var(--line);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1.5px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none}

/* Hero */
.hero{padding:72px 0 60px;position:relative;overflow:hidden}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;
  letter-spacing:-.02em;margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#2563eb,#7c3aed 55%,#0891b2);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--sub);font-size:16.5px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points span{
  font-size:13.5px;font-weight:600;color:#1e3a8a;
  background:rgba(37,99,235,.09);border:1px solid rgba(37,99,235,.16);
  padding:7px 14px;border-radius:999px;
}
.hero-visual{position:relative}
.glass-panel{
  background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(244,247,255,.9));
  border:1px solid rgba(255,255,255,.9);
  border-radius:22px;
  box-shadow:0 26px 60px rgba(37,99,235,.16);
  padding:24px;
  position:relative;overflow:hidden;
}
.glass-panel::after{
  content:"";position:absolute;inset:auto -40% -60% auto;width:260px;height:260px;
  background:radial-gradient(circle,rgba(124,58,237,.22),transparent 68%);
  border-radius:50%;pointer-events:none;
}
.panel-title{font-size:14px;font-weight:800;color:#334155;letter-spacing:.04em;margin-bottom:16px}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:1}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7d5f8}
.mini-card b{display:block;font-size:20px;color:var(--brand);letter-spacing:-.01em}
.mini-card small{display:block;color:var(--sub);font-size:12.5px;margin-top:2px}
.model-rings{
  position:absolute;width:300px;height:300px;border-radius:50%;
  border:1px dashed rgba(124,58,237,.28);top:-90px;right:-70px;pointer-events:none;
  animation:spin 26s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* 数据条 */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:8px;
}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:0 4px 14px rgba(16,24,40,.04);
  transition:transform .25s,box-shadow .25s;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.metric strong{
  display:block;font-size:26px;letter-spacing:-.02em;
  background:linear-gradient(100deg,#2563eb,#7c3aed);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;color:var(--sub);font-size:13.5px;margin-top:4px}

/* 通用卡片网格 */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}
.about-card{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:30px;box-shadow:0 6px 20px rgba(16,24,40,.05);
}
.about-card p{color:var(--sub);font-size:15px}
.about-card p + p{margin-top:12px}
.about-list{display:grid;gap:12px}
.about-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:16px 18px;transition:.25s;
}
.about-item:hover{transform:translateX(4px);border-color:#c7d5f8;box-shadow:var(--shadow)}
.about-item i{
  flex:0 0 34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#e0e9ff,#efe6ff);color:var(--brand);
  font-size:14px;font-weight:800;font-style:normal;
}
.about-item b{display:block;font-size:15px}
.about-item span{color:var(--sub);font-size:13.5px}

/* 服务能力 */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:24px;position:relative;overflow:hidden;
  transition:transform .28s,box-shadow .28s,border-color .28s;
}
.service-card::before{
  content:"";position:absolute;inset:0 auto auto 0;height:3px;width:0;
  background:linear-gradient(90deg,#2563eb,#7c3aed,#06b6d4);transition:width .35s;
}
.service-card:hover{transform:translateY(-6px);box-shadow:0 18px 38px rgba(37,99,235,.14);border-color:#cfdcf9}
.service-card:hover::before{width:100%}
.service-tag{
  display:inline-block;font-size:12px;font-weight:700;color:#4c1d95;
  background:#f1ebff;border-radius:7px;padding:3px 9px;margin-bottom:12px;
}
.service-card h3{margin-bottom:8px}
.service-card p{color:var(--sub);font-size:14px}

/* 一站式制作 时间线 */
.timeline{position:relative;padding-left:26px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,#2563eb,#7c3aed,#06b6d4);opacity:.35;border-radius:2px;
}
.tl-item{position:relative;padding:0 0 26px 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(37,99,235,.12);
}
.tl-item h3{font-size:16.5px;margin-bottom:4px}
.tl-item p{color:var(--sub);font-size:14px}
.tl-layout{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.media-stack{display:grid;gap:16px}
.media-frame{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;
  box-shadow:0 8px 24px rgba(16,24,40,.06);overflow:hidden;
}
.media-frame img{border-radius:11px;width:100%}
.media-frame figcaption{font-size:13px;color:var(--sub);padding:10px 6px 4px}
.two-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* 行业方案 */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.solution-card{
  border-radius:18px;padding:26px;color:#fff;position:relative;overflow:hidden;
  min-height:170px;display:flex;flex-direction:column;justify-content:space-between;
  transition:transform .28s,box-shadow .28s;
}
.solution-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(16,24,40,.2)}
.solution-card h3{font-size:18px;margin-bottom:8px}
.solution-card p{font-size:13.5px;opacity:.92}
.solution-card:nth-child(1){background:linear-gradient(135deg,#2563eb,#4f46e5)}
.solution-card:nth-child(2){background:linear-gradient(135deg,#7c3aed,#a855f7)}
.solution-card:nth-child(3){background:linear-gradient(135deg,#0891b2,#0ea5e9)}
.solution-card:nth-child(4){background:linear-gradient(135deg,#db2777,#f43f5e)}
.solution-card:nth-child(5){background:linear-gradient(135deg,#ea580c,#f59e0b)}
.solution-card:nth-child(6){background:linear-gradient(135deg,#0f766e,#14b8a6)}

/* 服务网络 */
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.net-box{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;
  text-align:center;transition:.25s;
}
.net-box:hover{border-color:#c7d5f8;box-shadow:var(--shadow);transform:translateY(-4px)}
.net-box b{display:block;font-size:15px}
.net-box span{font-size:13px;color:var(--sub)}

/* 标准流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  position:relative;transition:.25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:13px;font-weight:800;color:var(--brand);
  background:rgba(37,99,235,.1);border-radius:8px;padding:3px 9px;
  display:inline-block;margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--sub)}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:0 6px 18px rgba(16,24,40,.05);transition:transform .28s,box-shadow .28s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:0 20px 42px rgba(37,99,235,.16)}
.case-media{aspect-ratio:16/10;overflow:hidden;background:#eef2fb}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .case-media img{transform:scale(1.05)}
.case-body{padding:18px}
.case-body h3{font-size:16px;margin-bottom:6px}
.case-body p{font-size:13.5px;color:var(--sub)}
.case-meta{
  display:inline-block;margin-top:12px;font-size:12px;font-weight:700;
  color:#1e3a8a;background:rgba(37,99,235,.1);padding:4px 10px;border-radius:999px;
}

/* 对比评测 */
.compare-wrap{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;
  box-shadow:0 10px 30px rgba(16,24,40,.06);
}
.score-head{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:18px;padding-bottom:22px;border-bottom:1px dashed var(--line);margin-bottom:22px;
}
.score-main{display:flex;align-items:baseline;gap:10px}
.score-main b{
  font-size:44px;line-height:1;
  background:linear-gradient(100deg,#f59e0b,#ef4444);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.score-main span{color:var(--sub);font-size:14px}
.stars{color:#f59e0b;font-size:18px;letter-spacing:3px}
.recommend-badge{
  font-size:13.5px;font-weight:800;color:#7c2d12;
  background:#fff4e5;border:1px solid #ffd8a8;border-radius:999px;padding:7px 16px;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:14.5px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:#f3f7ff;color:#1e293b;font-weight:800;font-size:14px;white-space:nowrap}
tbody tr{transition:background .2s}
tbody tr:hover{background:#fafcff}
td:first-child{font-weight:700;color:#101828;white-space:nowrap}
td.good{color:#166534;font-weight:600}
td.mid{color:#475467}

/* 表单 */
.form-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}
.info-panel{
  background:linear-gradient(150deg,#ffffff,#f2f7ff);
  border:1px solid var(--line);border-radius:20px;padding:28px;
  box-shadow:0 8px 24px rgba(16,24,40,.05);
}
.info-panel h3{margin-bottom:14px}
.info-row{display:flex;gap:10px;font-size:14px;color:var(--sub);padding:9px 0;border-bottom:1px dashed var(--line)}
.info-row:last-of-type{border-bottom:none}
.info-row b{color:var(--ink);min-width:74px;font-weight:700;flex-shrink:0}
.qr-box{
  margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px;width:190px;text-align:center;
}
.qr-box img{width:150px;margin:0 auto 8px;border-radius:8px}
.qr-box span{font-size:12.5px;color:var(--sub)}
form{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;
  box-shadow:0 8px 24px rgba(16,24,40,.05);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px;color:#334155}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);
  background:#f8fafd;border:1.5px solid var(--line);border-radius:11px;
  padding:12px 14px;transition:.22s;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(37,99,235,.12);
}
.field textarea{min-height:112px;resize:vertical}
.form-note{font-size:12.5px;color:var(--sub);margin-top:10px}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:box-shadow .25s,border-color .25s;
}
.faq-item.open{border-color:#bfd2fa;box-shadow:0 10px 28px rgba(37,99,235,.1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;font-family:inherit;font-size:15.5px;font-weight:700;
  color:var(--ink);text-align:left;padding:18px 20px;cursor:pointer;
}
.faq-q i{
  flex:0 0 24px;height:24px;border-radius:50%;display:grid;place-items:center;
  background:rgba(37,99,235,.1);color:var(--brand);font-style:normal;font-size:15px;
  transition:transform .28s,background .28s;
}
.faq-item.open .faq-q i{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 20px 18px;color:var(--sub);font-size:14.5px}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;
  box-shadow:0 6px 18px rgba(16,24,40,.05);transition:transform .28s,box-shadow .28s;
  display:flex;flex-direction:column;gap:12px;
}
.review-card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(37,99,235,.13)}
.review-stars{color:#f59e0b;font-size:14px;letter-spacing:2px}
.review-text{font-size:14.5px;color:#334155;flex:1}
.review-user{display:flex;align-items:center;gap:10px;border-top:1px dashed var(--line);padding-top:14px}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;
  background:linear-gradient(135deg,#2563eb,#7c3aed);
}
.review-user b{display:block;font-size:14px}
.review-user span{display:block;font-size:12.5px;color:var(--sub)}

/* 文章 & 标签 */
.article-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.article-list{display:grid;gap:12px}
.article-item{
  display:flex;gap:16px;align-items:flex-start;justify-content:space-between;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  transition:.25s;
}
.article-item:hover{border-color:#c7d5f8;box-shadow:var(--shadow);transform:translateX(4px)}
.article-item h3{font-size:15.5px;margin-bottom:4px}
.article-item p{font-size:13px;color:var(--sub)}
.article-item .go{color:var(--brand);font-weight:800;font-size:13px;white-space:nowrap;flex-shrink:0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud a{
  font-size:13px;font-weight:600;color:#334155;background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:7px 14px;transition:.22s;
}
.tag-cloud a:hover{color:var(--brand);border-color:#bfd2fa;background:#f3f7ff;transform:translateY(-2px)}
.link-panel{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.link-panel h3{font-size:15px;margin-bottom:12px}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 16px}
.friend-links a{font-size:13.5px;color:#2563eb;transition:.2s}
.friend-links a:hover{color:#7c3aed;text-decoration:underline}

/* 百科 */
.wiki-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.wiki-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  transition:.25s;
}
.wiki-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7d5f8}
.wiki-card h3{font-size:16px;margin-bottom:6px}
.wiki-card p{font-size:13.5px;color:var(--sub)}

/* 加盟 */
.join-band{
  background:linear-gradient(120deg,#1d4ed8,#5b21b6 55%,#0e7490);
  border-radius:22px;padding:38px;color:#fff;
  display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:center;
  box-shadow:0 24px 50px rgba(29,78,216,.28);
  position:relative;overflow:hidden;
}
.join-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 68%);border-radius:50%;
}
.join-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.join-band p{color:rgba(255,255,255,.88);font-size:14.5px;margin-top:10px}
.join-actions{display:flex;flex-direction:column;gap:10px;position:relative;z-index:1}
.btn-light{background:#fff;color:#1d4ed8;font-weight:800;padding:13px 22px;border-radius:12px;text-align:center;transition:.25s;border:none;cursor:pointer;font-family:inherit;font-size:15px}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.2)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);padding:13px 22px;border-radius:12px;text-align:center;transition:.25s;font-weight:700;font-size:15px}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}

/* footer */
.site-footer{
  background:#0f172a;color:#cbd5e1;padding:48px 0 0;margin-top:8px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);
}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer p{font-size:13.5px;color:#94a3b8;line-height:1.8}
.footer-brand img{width:130px;max-height:38px;object-fit:contain;background:#fff;border-radius:8px;padding:6px;margin-bottom:14px}
.footer-links{display:grid;gap:9px}
.footer-links a,.footer-links span{font-size:13.5px;color:#94a3b8;transition:.2s}
.footer-links a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:18px 0 24px;font-size:13px;color:#94a3b8;
}
.footer-bottom a{color:#cbd5e1}
.footer-bottom a:hover{color:#fff}
.footer-friend{display:flex;flex-wrap:wrap;gap:6px 14px;padding-bottom:18px}
.footer-friend a{font-size:13px;color:#94a3b8}
.footer-friend a:hover{color:#fff}

/* 浮动客服 */
.float-dock{
  position:fixed;right:18px;bottom:88px;z-index:70;
  display:flex;flex-direction:column;gap:10px;
}
.dock-btn{
  width:50px;height:50px;border-radius:14px;border:1px solid var(--line);
  background:#fff;box-shadow:0 10px 24px rgba(16,24,40,.14);
  display:grid;place-items:center;cursor:pointer;transition:.25s;
  font-size:12px;font-weight:800;color:var(--brand);font-family:inherit;
}
.dock-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(37,99,235,.24)}
.kefu-pop{
  position:fixed;right:18px;bottom:150px;z-index:71;width:220px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;
  box-shadow:0 20px 44px rgba(16,24,40,.18);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.26s;
}
.kefu-pop.show{opacity:1;visibility:visible;transform:translateY(0)}
.kefu-pop img{width:100%;border-radius:10px;margin-bottom:8px}
.kefu-pop p{font-size:12.5px;color:var(--sub);text-align:center}
.back-top{
  position:fixed;left:18px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand);font-size:18px;cursor:pointer;
  box-shadow:0 10px 24px rgba(16,24,40,.12);
  opacity:0;visibility:hidden;transition:.28s;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px)}

/* 滚动渐入 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1024px){
  .hero-grid,.about-grid,.tl-layout,.form-layout,.article-layout{grid-template-columns:1fr}
  .service-grid,.solution-grid,.case-grid,.review-grid,.wiki-grid{grid-template-columns:repeat(2,1fr)}
  .metrics,.network-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .join-band{grid-template-columns:1fr;padding:30px}
  .nav-links{display:none}
  .nav-actions .btn-ghost{display:none}
  .menu-toggle{display:flex}
  .mobile-nav{
    display:block;max-height:0;overflow:hidden;transition:max-height .32s ease;
    border-top:0 solid var(--line);background:#fff;
  }
  .mobile-nav.open{max-height:520px;border-top:1px solid var(--line)}
  .mobile-nav .container{padding-top:12px;padding-bottom:16px}
  .mobile-nav a{
    display:block;padding:11px 4px;font-size:15px;font-weight:600;color:#334155;
    border-bottom:1px solid #f1f5f9;
  }
  .mobile-nav a:last-child{border-bottom:none}
}
@media (max-width:640px){
  section{padding:48px 0}
  .hero{padding:48px 0 40px}
  .service-grid,.solution-grid,.case-grid,.review-grid,.wiki-grid,.metrics,.network-grid,.steps{grid-template-columns:1fr}
  .two-media{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .brand img{width:112px}
  .float-dock{right:12px;bottom:78px}
  .kefu-pop{right:12px;bottom:138px;width:200px}
  .join-band{padding:26px 22px}
  .score-head{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}