:root{
  --bg:#f6f9fc;--card:#fff;--text:#112240;--muted:#6f7f96;--line:#e7edf5;
  --primary:#1473ff;--primary2:#0f5de0;--green:#16a864;--red:#ef4444;--navy:#0f2746;
  --shadow:0 8px 30px rgba(20,50,90,.08);--radius:14px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg);font-size:14px}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 36px));margin:0 auto}
.topbar{height:66px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;position:sticky;top:0;z-index:20}
.brand,.admin-brand{display:flex;align-items:center;gap:9px;font-size:18px}
.brand-mark{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;background:linear-gradient(135deg,#44c8ff,#1473ff);color:#fff;border-radius:8px;font-size:15px;transform:rotate(0)}
.topnav{display:flex;gap:26px;margin-left:46px;align-items:center}
.topnav a{height:66px;display:flex;align-items:center;color:#45556d;position:relative}
.topnav a:hover,.topnav a.active{color:var(--primary)}
.topnav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--primary);border-radius:3px}
.top-actions{margin-left:auto;display:flex;gap:15px;align-items:center;color:#607087}
.btn{border:0;border-radius:8px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:600}
.btn-primary{background:linear-gradient(180deg,#1c7dff,#0869f6);color:#fff;box-shadow:0 5px 14px rgba(20,115,255,.2)}
.btn-primary:hover{background:#0864eb}
.btn-ghost{background:#fff;color:#30425d;border:1px solid #dfe7f1}
.icon-btn{background:transparent;border:0;font-size:18px;color:#607087}

.hero{background:linear-gradient(135deg,#eef7ff 0%,#f8fbff 44%,#eaf4ff 100%);min-height:470px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(35,132,255,.16),transparent 65%);right:1%;top:-180px}
.hero-inner{width:min(1180px,calc(100% - 36px));margin:0 auto;position:relative;padding:72px 0 115px}
.hero-copy{width:51%;position:relative;z-index:2}
.eyebrow{color:#4e78a7;font-size:17px;font-weight:600}
.hero h1{font-size:52px;line-height:1.12;margin:12px 0 18px;letter-spacing:-1.5px}
.hero h1 span{color:#086dff}
.hero p{color:#61738a;font-size:17px;line-height:1.8;max-width:620px}
.hero-art{position:absolute;right:20px;top:54px;width:440px;height:240px}
.float-card{position:absolute;background:rgba(255,255,255,.92);border:1px solid #dfe9f7;box-shadow:0 18px 40px rgba(37,97,166,.16);border-radius:14px;padding:17px 20px;backdrop-filter:blur(8px)}
.float-card small{display:block;color:#67819e;font-weight:600;margin-bottom:8px}
.float-card strong{font-size:28px}
.float-card.c1{right:38px;top:0;width:260px;transform:rotate(-2deg)}
.float-card.c1 strong{color:#0d8d58}.float-card.c2{left:0;top:100px}.float-card.c2 strong{color:#1473ff}.float-card.c3{right:0;top:150px}.float-card.c3 strong{color:#1bb56d}
.spark{font-size:42px;letter-spacing:-9px;color:#1473ff;margin-top:4px;white-space:nowrap;overflow:hidden}
.search-panel{position:absolute;left:0;right:0;bottom:24px;z-index:4}
.search-box{background:#fff;border:1px solid #dbe8f7;border-radius:12px;padding:7px 7px 7px 18px;display:flex;align-items:center;box-shadow:0 12px 30px rgba(60,100,150,.14);max-width:800px}
.search-box span{font-size:22px;color:#56718e}.search-box input{flex:1;border:0;outline:0;padding:12px 14px;background:transparent;font-size:15px}
.search-box .btn{padding:13px 26px}
.search-filters{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:800px;margin-top:14px}
select{border:1px solid #dfe7f1;border-radius:8px;padding:10px 12px;background:#fff;color:#44566f;outline:0}
.mountain{position:absolute;bottom:0;left:0;right:0;height:85px;background:linear-gradient(150deg,transparent 15%,rgba(150,188,226,.22) 15.5%,rgba(210,230,249,.55) 31%,transparent 31.5%) 0 0/300px 85px repeat-x;opacity:.85}

.feature-row{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;padding:46px 0 30px;text-align:center}
.feature-row article{padding:10px}
.round-icon{width:54px;height:54px;margin:0 auto 10px;border-radius:50%;display:grid;place-items:center;background:#eaf4ff;color:#1473ff;font-size:22px}
.feature-row h3{margin:7px 0;font-size:16px}.feature-row p{margin:0;color:var(--muted)}
.logos{display:flex;justify-content:space-around;gap:40px;align-items:center;padding:25px 0 38px;color:#263958;font-size:20px}
.logos span{font-weight:700;color:#4285f4}.logos small{display:block;font-size:10px;color:#5f6d82}.logos b:nth-child(2){font-size:28px;color:#1e5ba7}.logos b:nth-child(3){color:#f05a30}.logos b:nth-child(4){color:#1d405f}.logos b:nth-child(5){color:#d53b27}
.dark-stats{width:min(1180px,calc(100% - 36px));margin:0 auto 40px;display:grid;grid-template-columns:repeat(4,1fr);background:linear-gradient(90deg,#163d70,#0d2e56);border-radius:10px;padding:25px;color:white}
.dark-stats div{display:flex;flex-direction:column;text-align:center;border-right:1px solid rgba(255,255,255,.15)}.dark-stats div:last-child{border-right:0}
.dark-stats strong{font-size:28px}.dark-stats span{color:#b8cce4;margin-top:4px}

.page{padding:28px 0 44px}.narrow{width:min(920px,calc(100% - 36px));margin:0 auto}
.page-head{display:flex;align-items:center;justify-content:space-between;margin:4px 0 18px}.page-head h1{margin:0 0 6px;font-size:28px}.page-head p{margin:0;color:var(--muted)}
.head-actions{display:flex;gap:10px}
.tabs{display:flex;align-items:center;gap:30px;border-bottom:1px solid var(--line);margin-bottom:20px;overflow:auto}
.tabs a{padding:14px 2px;color:#566b84;white-space:nowrap;position:relative;font-weight:500}.tabs a.active{color:var(--primary);font-weight:700}.tabs a.active:after{content:"";position:absolute;bottom:-1px;height:3px;left:0;right:0;background:var(--primary);border-radius:3px}
.card{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:20px}
.card-title{font-size:16px;font-weight:750}.card-head{display:flex;justify-content:space-between;align-items:center;gap:15px}
.overview-grid{display:grid;grid-template-columns:260px 1fr;gap:18px;margin-bottom:18px}
.score-card{text-align:center}.score-card .card-title{text-align:left}.score-card p{color:var(--muted);line-height:1.7;font-size:12px}
.score-ring{--score:78;width:128px;height:128px;border-radius:50%;background:conic-gradient(#16b66e calc(var(--score)*1%),#e8eef5 0);margin:24px auto 10px;display:grid;place-items:center;position:relative}
.score-ring:after{content:"";position:absolute;inset:12px;background:#fff;border-radius:50%}
.score-ring span,.score-ring small{position:relative;z-index:1}.score-ring span{font-weight:800;font-size:34px;align-self:end}.score-ring small{font-size:12px;color:#7b8b9e;align-self:start;margin-top:-8px}
.score-ring.amber{background:conic-gradient(#f5a623 calc(var(--score)*1%),#e8eef5 0);width:112px;height:112px}
.positive{color:var(--green);font-weight:700}.negative{color:var(--red);font-weight:700}
.trend-card{min-height:250px}.line-chart{position:relative;height:175px;margin:16px 0 0;background:linear-gradient(to bottom,#fff,#f9fcff);border-left:1px solid var(--line);border-bottom:1px solid var(--line)}
.line-chart:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(to bottom,transparent 0,transparent 43px,#eff3f8 44px),repeating-linear-gradient(to right,transparent 0,transparent 83px,#f1f4f8 84px)}
.line-chart i{position:absolute;width:9px;height:9px;background:#1473ff;border:2px solid #fff;border-radius:50%;left:var(--x);top:var(--y);box-shadow:0 0 0 1px #1473ff}
.line-chart i:not(:last-child):after{content:"";position:absolute;width:80px;height:2px;background:#1473ff;left:5px;top:2px;transform:rotate(-8deg);transform-origin:left}
.chart-axis{display:flex;justify-content:space-between;color:#96a2b2;font-size:11px;padding-top:8px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.metric-grid.four{grid-template-columns:repeat(4,1fr)}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px;display:flex;flex-direction:column;min-height:112px}
.metric-card span{color:#64758c;font-size:12px}.metric-card strong{font-size:25px;margin:9px 0 5px}.metric-card em{font-style:normal;color:var(--green);font-weight:700}
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.distribution{display:grid;grid-template-columns:190px 1fr;align-items:center;min-height:230px}
.donut{width:155px;height:155px;border-radius:50%;background:conic-gradient(#1473ff 0 8%,#39a2ff 8% 20%,#7d6df2 20% 37%,#34c3ab 37% 55%,#96d844 55% 71%,#f7b84b 71% 83%,#ff7b6b 83% 92%,#8d73ff 92% 100%);display:grid;place-items:center;position:relative;margin:auto}
.donut:after{content:"";position:absolute;inset:24px;background:#fff;border-radius:50%}.donut span{z-index:1;font-weight:800;font-size:21px;text-align:center}.donut small{display:block;font-size:10px;color:#77879a;margin-top:4px}
.legend{display:flex;flex-direction:column;gap:8px}.legend div{display:grid;grid-template-columns:18px 1fr auto;gap:5px;align-items:center}.dot{width:9px;height:9px;border-radius:2px;background:#1473ff}.d1{background:#39a2ff}.d2{background:#7d6df2}.d3{background:#34c3ab}.d4{background:#96d844}.d5{background:#f7b84b}.d6{background:#ff7b6b}.d7{background:#8d73ff}
.insight-list{display:flex;flex-direction:column;gap:14px;margin-top:18px}.insight-list>div{display:flex;gap:14px;background:#f7faff;border:1px solid #e7eef8;padding:14px;border-radius:10px}.insight-list>b{color:#1473ff}.insight-list div>b{width:36px;height:36px;border-radius:10px;background:#e8f2ff;color:#1473ff;display:grid;place-items:center}.insight-list p{margin:0;display:flex;flex-direction:column;gap:4px}.insight-list p span{color:var(--muted);font-size:12px}
.badge{display:inline-flex;padding:5px 9px;border-radius:7px;background:#eef3f8;color:#476078;font-size:12px}.badge.blue{background:#eaf4ff;color:#1473ff}

.rank-buckets{display:grid;grid-template-columns:repeat(8,1fr);gap:0;margin-bottom:16px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.bucket{border:0;border-right:1px solid var(--line);padding:12px 7px;background:#fff;display:flex;flex-direction:column;gap:4px;color:#536a83}.bucket:last-child{border-right:0}.bucket strong{font-size:18px;color:#1d2e48}.bucket.active{background:#ecf5ff;box-shadow:inset 0 0 0 2px #1473ff}.bucket.active span,.bucket.active strong{color:#1473ff}
.filter-grid{display:grid;grid-template-columns:2fr repeat(7,1fr);gap:10px;align-items:center;margin-bottom:14px}.filter-search{height:40px;border:1px solid #dfe7f1;border-radius:8px;display:flex;align-items:center;padding:0 10px;color:#8492a6}.filter-search input{border:0;outline:0;width:100%;padding-left:8px}
.table-wrap{overflow:auto}
.data-table{width:100%;border-collapse:collapse;white-space:nowrap}.data-table th{background:#f7f9fc;color:#5f6e82;font-size:12px;text-align:left;padding:12px;border-bottom:1px solid var(--line)}.data-table td{padding:13px 12px;border-bottom:1px solid #edf1f6;color:#33465f}.data-table tbody tr:hover{background:#f9fbfe}.data-table a{color:#106eff}.url-link{font-weight:600}
.pagination{display:flex;justify-content:space-between;align-items:center;padding-top:18px;color:#6a7c92}.pagination div{display:flex;gap:5px;align-items:center}.pagination button{width:34px;height:32px;border:1px solid #e0e7ef;background:#fff;border-radius:6px}.pagination button.active{background:#1473ff;color:#fff;border-color:#1473ff}
.back-link{display:inline-block;color:#4c6787;margin:4px 0 12px}
.rank-line{height:280px;padding:10px}.rank-line svg{width:100%;height:100%}
.serp-list{margin-top:15px}.serp-list>div{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid #edf1f5}.serp-list>div>b{width:27px;height:27px;border-radius:7px;background:#edf5ff;color:#1473ff;display:grid;place-items:center}.serp-list span{display:flex;flex-direction:column}.serp-list small{color:#8290a2;margin-top:3px}
.competition-card{text-align:center}.competition-card .score-ring{margin-top:18px}.bar-row{display:grid;grid-template-columns:80px 1fr 34px;align-items:center;gap:8px;margin-top:10px;text-align:left}.bar-row>i,.quota>i,.table-progress>i,.big-progress>i{height:7px;background:#eef2f7;border-radius:99px;overflow:hidden}.bar-row em,.quota em,.table-progress em,.big-progress em{display:block;height:100%;background:#1473ff;border-radius:99px}.bar-row b{font-size:12px}

.site-footer{border-top:1px solid var(--line);background:#fff;color:#7a899c;padding:22px 30px;display:flex;justify-content:space-between;gap:20px;font-size:12px}
@media(max-width:920px){
  .topnav{display:none}.topbar{padding:0 14px}.top-actions span,.top-actions .icon-btn{display:none}
  .hero-inner{padding-top:48px}.hero-copy{width:100%}.hero h1{font-size:40px}.hero-art{opacity:.24;right:-110px}.search-panel{position:relative;bottom:auto;margin-top:30px}.hero{min-height:590px}
  .feature-row{grid-template-columns:repeat(2,1fr)}.logos{flex-wrap:wrap}.dark-stats{grid-template-columns:repeat(2,1fr);gap:18px}.dark-stats div{border-right:0}
  .overview-grid,.dual-grid{grid-template-columns:1fr}.metric-grid,.metric-grid.four{grid-template-columns:repeat(2,1fr)}
  .rank-buckets{grid-template-columns:repeat(4,1fr)}.filter-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .hero h1{font-size:34px}.search-box{flex-wrap:wrap}.search-box input{min-width:0}.search-box .btn{width:100%;margin-top:6px}.search-filters{grid-template-columns:1fr 1fr}
  .feature-row{grid-template-columns:1fr}.metric-grid,.metric-grid.four{grid-template-columns:1fr}.rank-buckets{grid-template-columns:repeat(2,1fr)}
  .distribution{grid-template-columns:1fr}.legend{margin-top:18px}.filter-grid{grid-template-columns:1fr}.page-head{align-items:flex-start;gap:12px;flex-direction:column}.site-footer{flex-direction:column}
}