:root{
  --ink:#0c1226;
  --ink2:#26304d;
  --muted:#5b6580;
  --line:#e3e9f7;
  --cyan:#00c2ff;
  --violet:#7b4dff;
  --pink:#ff4fd8;
  --mint:#00d6a3;
  --card:#ffffff;
  --radius:18px;
  --shadow-sm:0 6px 20px rgba(20,36,90,.06);
  --shadow-md:0 16px 42px rgba(20,36,90,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:#f5f8ff;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(620px 420px at 10% 6%,rgba(0,194,255,.16),transparent 70%),
    radial-gradient(720px 520px at 92% 10%,rgba(123,77,255,.14),transparent 70%),
    radial-gradient(680px 520px at 50% 96%,rgba(255,79,216,.10),transparent 72%);
}
img{max-width:100%;border:0}
a{color:#1249c8;text-decoration:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:1;
}
section[id],div[id]{scroll-margin-top:90px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  color:#0b6d92;
  background:linear-gradient(100deg,rgba(0,194,255,.14),rgba(123,77,255,.12));
  border:1px solid rgba(0,194,255,.32);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:14px;
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;
  background:linear-gradient(120deg,var(--cyan),var(--violet));
  box-shadow:0 0 0 3px rgba(0,194,255,.16);
}
h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.35;
  color:var(--ink);
  letter-spacing:-.01em;
}
.sec-desc{
  margin-top:12px;
  color:var(--muted);
  font-size:15.5px;
  max-width:780px;
}
.sec-head{margin-bottom:34px}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background .25s ease;
  font-family:inherit;
}
.btn-primary{
  background:#101a3d;
  color:#fff;
  box-shadow:0 10px 24px rgba(16,26,61,.28),inset 0 0 0 1px rgba(0,194,255,.45);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(16,26,61,.32),inset 0 0 0 1px rgba(255,79,216,.6);
}
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border-color:#d9e3f8;
  box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:#84d8ff;
  box-shadow:0 12px 26px rgba(0,194,255,.18);
}
.btn-sm{padding:10px 18px;font-size:14px}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(219,229,248,.9);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:68px;
  padding-top:10px;
  padding-bottom:10px;
  flex-wrap:nowrap;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink);
}
.ai-page-logo{
  width:38px;
  height:38px;
  border-radius:10px;
  object-fit:contain;
  background:#fff;
  box-shadow:0 4px 12px rgba(20,36,90,.10);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;letter-spacing:.02em}
.brand-text em{
  font-style:normal;
  font-size:11.5px;
  color:var(--muted);
  white-space:nowrap;
}
.nav{flex:1 1 auto;display:flex;justify-content:center}
.nav-links{
  display:flex;
  align-items:center;
  gap:0;
  flex-wrap:nowrap;
}
.nav-links li{display:block}
.nav-links a{
  display:block;
  padding:9px 10px;
  font-size:14px;
  font-weight:600;
  color:var(--ink2);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#0a6b96;background:rgba(0,194,255,.10)}
.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid #dde6f7;
  background:#fff;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--ink2);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{
  position:relative;
  padding:clamp(38px,5vw,68px) 0 clamp(34px,4vw,56px);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(112,140,200,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(112,140,200,.10) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 30%,#000 12%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 12%,transparent 72%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:clamp(24px,4vw,52px);
  align-items:center;
}
.hero h1{
  font-size:clamp(27px,4vw,46px);
  line-height:1.22;
  letter-spacing:-.015em;
  color:var(--ink);
  margin-bottom:16px;
}
.hero-sub{
  font-size:clamp(14.5px,1.5vw,17px);
  color:var(--ink2);
  max-width:600px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-note{
  margin-top:16px;
  font-size:13.5px;
  color:var(--muted);
  letter-spacing:.02em;
}
.hero-panel{
  position:relative;
  background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(240,247,255,.9));
  border:1px solid #dfe8fb;
  border-radius:22px;
  padding:22px 22px 18px;
  box-shadow:var(--shadow-md);
  overflow:hidden;
}
.hero-panel::before{
  content:"";
  position:absolute;
  width:220px;height:220px;
  right:-70px;top:-90px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(123,77,255,.26),transparent 68%);
  pointer-events:none;
}
.hero-panel::after{
  content:"";
  position:absolute;
  width:180px;height:180px;
  left:-80px;bottom:-90px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,194,255,.24),transparent 68%);
  pointer-events:none;
}
.panel-title{
  font-size:14px;
  font-weight:800;
  color:#0b6d92;
  letter-spacing:.06em;
  margin-bottom:6px;
  position:relative;
}
.panel-list{position:relative}
.panel-list li{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed #e2ebfa;
  font-size:14.5px;
  color:var(--ink);
  font-weight:600;
}
.panel-list li:last-child{border-bottom:0}
.p-dot{
  width:9px;height:9px;border-radius:50%;flex-shrink:0;
  animation:pulse 3.2s ease-in-out infinite;
}
.d1{background:linear-gradient(120deg,#00c2ff,#2b8cff)}
.d2{background:linear-gradient(120deg,#7b4dff,#b06bff);animation-delay:.3s}
.d3{background:linear-gradient(120deg,#ff4fd8,#ff7ba8);animation-delay:.6s}
.d4{background:linear-gradient(120deg,#00d6a3,#4fd6ff);animation-delay:.9s}
.d5{background:linear-gradient(120deg,#ffb300,#ff7a45);animation-delay:1.2s}
.p-tag{
  margin-left:auto;
  font-size:11.5px;
  font-weight:700;
  color:#4a3f9c;
  background:rgba(123,77,255,.10);
  border:1px solid rgba(123,77,255,.22);
  border-radius:999px;
  padding:2px 10px;
  white-space:nowrap;
}
.panel-foot{
  margin-top:14px;
  font-size:12.5px;
  color:var(--muted);
  position:relative;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(0,194,255,.32)}
  50%{box-shadow:0 0 0 6px rgba(0,194,255,0)}
}
.model-strip{
  margin-top:clamp(26px,3vw,38px);
  background:rgba(255,255,255,.78);
  border:1px solid #e0e9fa;
  border-radius:16px;
  padding:14px 18px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 10px;
  box-shadow:var(--shadow-sm);
}
.strip-label{
  font-size:13px;
  font-weight:800;
  color:#0b6d92;
  margin-right:4px;
}
.chip{
  font-size:12.5px;
  font-weight:600;
  color:var(--ink2);
  background:#f2f6ff;
  border:1px solid #e2eaf9;
  border-radius:999px;
  padding:4px 11px;
}
.chip-more{color:#5a3fbf;background:rgba(123,77,255,.10);border-color:rgba(123,77,255,.24)}

/* 通用区块 */
.section{padding:clamp(42px,5.2vw,76px) 0;position:relative}
.section-alt{
  background:linear-gradient(180deg,rgba(255,255,255,.66),rgba(238,245,255,.62));
  border-top:1px solid rgba(219,229,248,.9);
  border-bottom:1px solid rgba(219,229,248,.9);
}

/* 数据指标 */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:-6px;
}
.stat-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 18px;
  box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#b9e4ff}
.stat-num{
  font-size:clamp(24px,2.6vw,30px);
  font-weight:800;
  letter-spacing:-.02em;
  color:#0c1a45;
  line-height:1.15;
}
.stat-num span{
  font-size:14px;
  font-weight:700;
  color:#0b6d92;
  margin-left:4px;
}
.stat-title{font-size:14.5px;font-weight:700;margin-top:6px;color:var(--ink)}
.stat-desc{font-size:13px;color:var(--muted);margin-top:4px}

/* 关于我们 */
.about-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(22px,3vw,40px);
  align-items:start;
}
.about-text p{
  color:var(--ink2);
  font-size:15.5px;
  margin-bottom:14px;
}
.about-text p:last-child{margin-bottom:0}
.feature-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px 24px;
  margin-top:22px;
}
.feature-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:10px 0;
  border-top:1px solid rgba(219,229,248,.85);
}
.f-dot{
  width:22px;height:22px;
  flex-shrink:0;
  border-radius:8px;
  background:linear-gradient(135deg,rgba(0,194,255,.18),rgba(123,77,255,.18));
  border:1px solid rgba(0,194,255,.32);
  position:relative;
  margin-top:4px;
}
.f-dot::after{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:4px;
  background:linear-gradient(120deg,var(--cyan),var(--violet));
}
.feature-list strong{display:block;font-size:14.5px;color:var(--ink)}
.feature-list p{font-size:13px;color:var(--muted);line-height:1.65}
.about-media{display:grid;gap:16px}
.media-frame{
  background:linear-gradient(150deg,#eef5ff,#fafcff);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
  overflow:hidden;
}
.media-frame:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.media-frame img{display:block;width:100%;height:auto;border-radius:10px}

/* 服务卡片 */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.service-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px 20px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  overflow:hidden;
}
.service-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink));
  opacity:.85;
}
.service-card:hover{
  transform:translateY(-5px);
  box-shadow:0 18px 40px rgba(20,36,90,.12);
  border-color:#bfe6ff;
}
.service-card h3{
  font-size:16.5px;
  color:var(--ink);
  margin-bottom:8px;
}
.service-card p{font-size:13.8px;color:var(--muted)}
.card-tag{
  display:inline-block;
  font-size:11.5px;
  font-weight:700;
  color:#0b6d92;
  background:rgba(0,194,255,.10);
  border:1px solid rgba(0,194,255,.26);
  border-radius:999px;
  padding:2px 10px;
  margin-bottom:10px;
}
.more-abilities{
  margin-top:22px;
  background:rgba(255,255,255,.8);
  border:1px dashed #cfdcf5;
  border-radius:16px;
  padding:18px 20px;
}
.more-abilities h3{font-size:15px;color:var(--ink);margin-bottom:12px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud span{
  font-size:13px;
  color:var(--ink2);
  background:#f4f8ff;
  border:1px solid #e1eaf9;
  border-radius:10px;
  padding:5px 12px;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.tag-cloud span:hover{background:rgba(0,194,255,.12);border-color:rgba(0,194,255,.4);color:#0a5f85}

/* 行业方案 */
.solution-list{
  display:grid;
  gap:12px;
}
.solution-row{
  display:grid;
  grid-template-columns:170px 1fr auto;
  gap:16px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 18px;
  box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.solution-row:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:#bfe6ff}
.sol-name{
  font-size:15px;
  font-weight:800;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:8px;
}
.sol-name::before{
  content:"";
  width:8px;height:8px;border-radius:3px;
  background:linear-gradient(120deg,var(--cyan),var(--pink));
  flex-shrink:0;
}
.sol-desc{font-size:13.8px;color:var(--muted)}
.sol-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.sol-tags span{
  font-size:11.5px;
  font-weight:600;
  color:#5a3fbf;
  background:rgba(123,77,255,.09);
  border:1px solid rgba(123,77,255,.2);
  border-radius:999px;
  padding:2px 9px;
  white-space:nowrap;
}

/* 流程步骤 */
.steps{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:14px;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 16px 18px;
  box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;height:28px;
  border-radius:9px;
  font-size:13px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,#0e1b45,#2b3f86);
  box-shadow:inset 0 0 0 1px rgba(0,194,255,.5);
  margin-bottom:10px;
}
.step h3{font-size:14.5px;color:var(--ink);margin-bottom:6px}
.step p{font-size:13px;color:var(--muted)}
.step::after{
  content:"";
  position:absolute;
  right:-9px;top:50%;
  width:14px;height:2px;
  background:linear-gradient(90deg,rgba(0,194,255,.7),rgba(123,77,255,.2));
  transform:translateY(-50%);
}
.step:last-child::after{display:none}

/* 表格 */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  box-shadow:var(--shadow-sm);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid #eef2fb;vertical-align:top}
thead th{
  background:linear-gradient(100deg,#eef7ff,#f4f0ff);
  color:var(--ink);
  font-weight:800;
  white-space:nowrap;
}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .2s ease}
tbody tr:hover{background:#f8fbff}
td strong{color:var(--ink);font-weight:700}
.td-good{color:#0a7a58;font-weight:700}
.td-mid{color:#6b5a1f}

/* 对比评分 */
.rating-card{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:22px 34px;
  background:linear-gradient(130deg,#ffffff,#f2f8ff 60%,#f8f1ff);
  border:1px solid #dfe8fb;
  border-radius:20px;
  padding:24px 26px;
  margin-bottom:22px;
  box-shadow:var(--shadow-md);
}
.rating-score{display:flex;flex-direction:column;align-items:flex-start;min-width:170px}
.score{
  font-size:44px;
  font-weight:800;
  letter-spacing:-.03em;
  color:#101a3d;
  line-height:1;
}
.score-max{font-size:15px;color:var(--muted);font-weight:700;margin-top:4px}
.stars{
  margin-top:8px;
  font-size:18px;
  letter-spacing:3px;
  color:#e0a100;
}
.rating-label{font-size:13px;font-weight:700;color:#0b6d92;margin-top:6px}
.rating-text{flex:1 1 320px;font-size:14.5px;color:var(--ink2)}

/* 案例 */
.case-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.case-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
  display:flex;
  flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.case-media{
  background:linear-gradient(150deg,#eef5ff,#fafcff);
  border-bottom:1px solid #eef2fb;
  aspect-ratio:16/10;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:10px;
  overflow:hidden;
}
.case-media img{width:100%;height:100%;object-fit:contain;border-radius:10px}
.case-body{padding:18px 20px 20px}
.case-body h3{font-size:16.5px;color:var(--ink);margin-bottom:8px}
.case-body p{font-size:13.8px;color:var(--muted)}
.case-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.case-points span{
  font-size:11.5px;
  font-weight:600;
  color:#0b6d92;
  background:rgba(0,194,255,.1);
  border:1px solid rgba(0,194,255,.24);
  border-radius:999px;
  padding:2px 10px;
}
.case-card.wide{grid-column:1 / -1;flex-direction:row;align-items:stretch}
.case-card.wide .case-media{
  width:300px;
  flex-shrink:0;
  border-bottom:0;
  border-right:1px solid #eef2fb;
  aspect-ratio:1/1;
  padding:14px;
}
.case-card.wide .case-body{display:flex;flex-direction:column;justify-content:center}

/* 评论 */
.review-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.review-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c4e8ff}
.review-card::before{
  content:"“";
  position:absolute;
  top:6px;right:16px;
  font-size:44px;
  line-height:1;
  color:rgba(123,77,255,.16);
  font-family:Georgia,serif;
}
.review-text{font-size:14px;color:var(--ink2);position:relative}
.review-user{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed #e6ecfa;
}
.review-avatar{
  width:34px;height:34px;
  border-radius:11px;
  background:linear-gradient(135deg,rgba(0,194,255,.9),rgba(123,77,255,.9));
  color:#fff;
  font-size:13px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.review-name{font-size:13.5px;font-weight:700;color:var(--ink);line-height:1.3}
.review-role{font-size:12px;color:var(--muted)}

/* 服务网络 */
.network-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.net-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 18px;
  box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease;
}
.net-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.net-icon{
  width:36px;height:36px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(0,194,255,.16),rgba(255,79,216,.16));
  border:1px solid rgba(0,194,255,.3);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:12px;
}
.net-icon svg{width:18px;height:18px;stroke:#0a6b96;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.net-card h3{font-size:15px;color:var(--ink);margin-bottom:6px}
.net-card p{font-size:13px;color:var(--muted)}
.net-note{
  margin-top:16px;
  font-size:13.5px;
  color:var(--muted);
  background:rgba(255,255,255,.7);
  border:1px dashed #cfdcf5;
  border-radius:12px;
  padding:12px 16px;
}

/* 百科 */
.wiki-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.wiki-card{
  background:linear-gradient(160deg,#fff,#f6faff);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  box-shadow:var(--shadow-sm);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.wiki-card:hover{transform:translateY(-4px);border-color:#bde5ff;box-shadow:var(--shadow-md)}
.wiki-card h3{font-size:14.5px;color:var(--ink);margin-bottom:6px}
.wiki-card p{font-size:13px;color:var(--muted)}

/* 资讯 */
.news-list{display:grid;gap:10px}
.news-item{
  display:flex;
  align-items:center;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:15px 18px;
  box-shadow:var(--shadow-sm);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
  color:var(--ink);
}
.news-item:hover{transform:translateX(4px);border-color:#bfe6ff;box-shadow:var(--shadow-md)}
.news-bullet{
  width:10px;height:10px;
  border-radius:4px;
  background:linear-gradient(120deg,var(--cyan),var(--pink));
  flex-shrink:0;
}
.news-title{font-size:14.5px;font-weight:600;color:var(--ink)}
.news-arrow{margin-left:auto;color:#7fa4d8;font-weight:800;font-size:15px}

/* 表单 */
.match-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(20px,3vw,34px);
  align-items:start;
}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:24px;
  box-shadow:var(--shadow-md);
}
.lead-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:700;color:var(--ink2)}
.field input,.field select,.field textarea{
  width:100%;
  font-family:inherit;
  font-size:14px;
  color:var(--ink);
  background:#f9fbff;
  border:1px solid #dde6f7;
  border-radius:12px;
  padding:11px 14px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  outline:none;
}
.field textarea{resize:vertical;min-height:110px;line-height:1.65}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#5fc8ff;
  background:#fff;
  box-shadow:0 0 0 4px rgba(0,194,255,.14);
}
.form-actions{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:2px;
}
.form-note{font-size:12.5px;color:var(--muted)}
.contact-side{
  display:grid;
  gap:16px;
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:22px;
  box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:15.5px;color:var(--ink);margin-bottom:12px}
.qr-frame{
  width:150px;
  background:#fff;
  border:1px solid #e6ecfa;
  border-radius:14px;
  padding:8px;
  margin-bottom:12px;
}
.qr-frame img{display:block;width:100%;height:auto;border-radius:8px}
.contact-mini{display:grid;gap:8px;font-size:13.5px;color:var(--ink2)}
.contact-mini li{display:flex;gap:8px;align-items:flex-start}
.contact-mini b{color:#0b6d92;font-weight:700;flex-shrink:0}

/* FAQ */
.help-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.help-tabs span{
  font-size:13px;
  font-weight:700;
  color:#0b6d92;
  background:rgba(0,194,255,.10);
  border:1px solid rgba(0,194,255,.26);
  border-radius:999px;
  padding:6px 14px;
}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:#bfe6ff;box-shadow:var(--shadow-md)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  text-align:left;
  background:transparent;
  border:0;
  padding:16px 18px;
  font-family:inherit;
  font-size:14.8px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
}
.faq-q .mark{
  margin-left:auto;
  width:22px;height:22px;
  border-radius:7px;
  background:linear-gradient(135deg,rgba(0,194,255,.16),rgba(123,77,255,.16));
  border:1px solid rgba(0,194,255,.3);
  position:relative;
  flex-shrink:0;
  transition:transform .25s ease;
}
.faq-q .mark::before,
.faq-q .mark::after{
  content:"";
  position:absolute;
  background:#0a6b96;
  border-radius:2px;
}
.faq-q .mark::before{width:10px;height:2px;left:5px;top:9px}
.faq-q .mark::after{width:2px;height:10px;left:9px;top:5px;transition:opacity .2s ease}
.faq-item.open .faq-q .mark{transform:rotate(180deg)}
.faq-item.open .faq-q .mark::after{opacity:0}
.faq-panel{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.faq-item.open .faq-panel{grid-template-rows:1fr}
.faq-panel-inner{overflow:hidden}
.faq-panel p{
  padding:0 18px 16px;
  font-size:13.8px;
  color:var(--muted);
}

/* 联系我们与加盟 */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(20px,3vw,30px);
  align-items:start;
}
.contact-list{
  display:grid;
  gap:10px;
  margin-top:6px;
}
.contact-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px 16px;
  font-size:13.8px;
  color:var(--ink2);
  box-shadow:var(--shadow-sm);
}
.contact-list b{color:#0b6d92;font-weight:800;flex-shrink:0;min-width:74px}
.join-card{
  background:linear-gradient(150deg,#ffffff,#f3f8ff 55%,#f9f1ff);
  border:1px solid #dfe8fb;
  border-radius:20px;
  padding:24px;
  box-shadow:var(--shadow-md);
}
.join-card h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:12px}
.join-card p{font-size:14.5px;color:var(--ink2);margin-bottom:14px}
.join-list{display:grid;gap:10px;margin-bottom:20px}
.join-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.8px;
  color:var(--ink2);
}
.join-list li::before{
  content:"";
  width:8px;height:8px;
  margin-top:8px;
  border-radius:3px;
  flex-shrink:0;
  background:linear-gradient(120deg,var(--violet),var(--pink));
}

/* 页脚 */
.site-footer{
  position:relative;
  z-index:1;
  background:linear-gradient(150deg,#0d1633,#141f47 55%,#1a1740);
  color:#cfd9f2;
  padding:40px 0 22px;
  margin-top:0;
}
.footer-main{
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:28px;
  padding-bottom:24px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-name{font-size:16.5px;font-weight:800;color:#ffffff;letter-spacing:.02em}
.footer-desc{font-size:13.5px;color:#a9b8dd;margin-top:8px;max-width:420px}
.footer-contact{font-size:13px;color:#9fb0da;margin-top:10px}
.footer-contact a{color:#7ee0ff}
.footer-links-title{font-size:13.5px;font-weight:800;color:#ffffff;margin-bottom:12px}
.footer-links-grid{display:flex;flex-wrap:wrap;gap:8px 16px}
.footer-links-grid a{
  font-size:12.5px;
  color:#c2cfec;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.footer-links-grid a:hover{color:#7ee0ff;border-color:rgba(126,224,255,.6)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px 20px;
  padding-top:16px;
  font-size:12.5px;
  color:#9fb0da;
}
.footer-bottom a{color:#7ee0ff}

/* 浮动元素 */
.float-tools{
  position:fixed;
  right:18px;
  bottom:20px;
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
}
.float-btn{
  width:48px;height:48px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.35);
  background:linear-gradient(135deg,#1b2a5e,#3a2a7a);
  color:#fff;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 12px 26px rgba(16,26,61,.3),inset 0 0 0 1px rgba(0,194,255,.42);
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
  padding:0;
  font-family:inherit;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(16,26,61,.36),inset 0 0 0 1px rgba(255,79,216,.6)}
.float-btn svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.to-top{opacity:0;pointer-events:none;transform:translateY(10px)}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.service-panel{
  width:236px;
  background:#fff;
  border:1px solid #dfe8fb;
  border-radius:18px;
  padding:16px;
  box-shadow:0 20px 44px rgba(20,36,90,.2);
  display:none;
}
.service-panel.show{display:block;animation:panelIn .28s ease both}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.service-panel h4{font-size:14px;color:var(--ink);margin-bottom:10px}
.service-panel .qr-frame{width:100%;margin-bottom:10px}
.service-panel p{font-size:12.5px;color:var(--muted);margin-bottom:4px}
.service-panel a{color:#1249c8;font-weight:700}

/* 动画 */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .62s ease,transform .62s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1139px){
  .nav-toggle{display:flex}
  .nav{flex:0 1 auto}
  .nav-links{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    background:#fff;
    border-bottom:1px solid #e3e9f7;
    box-shadow:0 18px 32px rgba(20,36,90,.12);
    padding:8px 16px 16px;
    gap:0;
    max-height:calc(100vh - 90px);
    overflow-y:auto;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 6px;border-bottom:1px solid #f0f4fc;border-radius:0;font-size:14.5px}
  .nav-links li:last-child a{border-bottom:0}
  .header-inner{position:relative}
  .brand-text em{display:none}
}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-panel{order:2}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .about-grid{grid-template-columns:1fr}
  .about-media{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cards-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step::after{display:none}
  .review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .network-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wiki-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .match-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr}
  .solution-row{grid-template-columns:1fr;gap:8px}
  .sol-tags{justify-content:flex-start}
  .case-grid{grid-template-columns:1fr}
  .case-card.wide{flex-direction:column}
  .case-card.wide .case-media{width:100%;border-right:0;border-bottom:1px solid #eef2fb;aspect-ratio:16/10}
}
@media (max-width:640px){
  .feature-list{grid-template-columns:1fr}
  .cards-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .network-grid{grid-template-columns:1fr}
  .wiki-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .about-media{grid-template-columns:1fr}
  .lead-form{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .rating-card{padding:20px}
  .score{font-size:38px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .p-dot{animation:none}
  .btn,.service-card,.stat-card,.case-card,.review-card,.net-card,.wiki-card,.news-item,.faq-item{transition:none}
}

.reveal{opacity:1;transform:none}