/* ===== 全局重置 ===== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#6366f1;
  --primary-light:#818cf8;
  --accent:#06b6d4;
  --accent-light:#22d3ee;
  --purple:#a855f7;
  --pink:#ec4899;
  --gold:#f59e0b;
  --dark:#0a0e27;
  --dark2:#131836;
  --dark3:#1e2547;
  --text:#e2e8f0;
  --text-dim:#94a3b8;
  --card:rgba(255,255,255,.06);
  --card-border:rgba(255,255,255,.1);
  --glow:0 0 30px rgba(99,102,241,.3);
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:var(--dark);
  line-height:1.6;
  font-size:14px;
  min-height:100vh;
  position:relative;
  overflow-x:hidden;
}
/* 全局动态背景 */
body::before{
  content:'';
  position:fixed;
  top:0;left:0;right:0;bottom:0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%,rgba(99,102,241,.15),transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 10%,rgba(168,85,247,.12),transparent 55%),
    radial-gradient(ellipse 70% 50% at 50% 100%,rgba(6,182,212,.1),transparent 60%),
    linear-gradient(180deg,#0a0e27 0%,#0d1230 50%,#0a0e27 100%);
  z-index:-2;
}
body::after{
  content:'';
  position:fixed;
  top:0;left:0;right:0;bottom:0;
  background-image:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index:-1;
  pointer-events:none;
}
a{color:var(--accent-light);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-light)}
img{max-width:100%}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== 按钮 ===== */
.btn{
  display:inline-block;padding:10px 24px;
  background:linear-gradient(135deg,var(--primary),var(--purple));
  color:#fff;border:none;border-radius:10px;font-size:14px;
  cursor:pointer;text-align:center;
  transition:all .3s;
  box-shadow:0 4px 15px rgba(99,102,241,.3);
  font-weight:500;letter-spacing:.5px;
  position:relative;overflow:hidden;
}
.btn::before{
  content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);
  transition:left .5s;
}
.btn:hover::before{left:100%}
.btn:hover{opacity:1;color:#fff;transform:translateY(-2px);box-shadow:0 8px 25px rgba(99,102,241,.5)}
.btn-sm{padding:6px 16px;font-size:13px}
.btn-lg{padding:14px 36px;font-size:16px;border-radius:12px}
.btn-block{display:block;width:100%}
.btn-outline{
  background:transparent;
  border:1.5px solid var(--accent-light);
  color:var(--accent-light);
  box-shadow:none;
}
.btn-outline:hover{background:var(--accent-light);color:var(--dark);box-shadow:0 4px 20px rgba(34,211,238,.4)}

/* ===== 头部导航 ===== */
.site-header{
  background:rgba(10,14,39,.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--card-border);
  position:sticky;top:0;z-index:100;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:#fff}
.logo-icon{font-size:28px;filter:drop-shadow(0 0 10px rgba(99,102,241,.5))}
.logo-img{height:40px;width:auto}
.main-nav{display:flex;gap:8px}
.main-nav a{
  color:var(--text-dim);font-size:15px;font-weight:500;
  padding:8px 18px;border-radius:8px;
  border-bottom:none;transition:all .25s;
  position:relative;
}
.main-nav a:hover,.main-nav a.active{
  color:#fff;
  background:rgba(99,102,241,.15);
}
.main-nav a.active::after{
  content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent-light),var(--primary-light));
}
.header-right{display:flex;align-items:center;gap:12px}

/* 公告条 */
.site-notice{
  background:linear-gradient(90deg,rgba(99,102,241,.2),rgba(168,85,247,.2),rgba(99,102,241,.2));
  padding:10px 0;font-size:13px;color:var(--text);
  border-bottom:1px solid var(--card-border);
}

/* ===== 首页三图横幅 ===== */
.nav-banner{
  width:100%;
  background:linear-gradient(135deg,#0d1230 0%,#1a1f4a 50%,#0d1230 100%);
  padding:0;
  position:relative;
  overflow:hidden;
}
.nav-banner::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:
    radial-gradient(circle at 15% 50%,rgba(99,102,241,.2),transparent 40%),
    radial-gradient(circle at 85% 50%,rgba(6,182,212,.15),transparent 40%);
  pointer-events:none;
}
.nav-banner-inner{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:stretch;min-height:200px;
  position:relative;z-index:1;
}
.nb-side{flex:0 0 auto;display:flex;align-items:center;justify-content:center;overflow:hidden}
.nb-side img{height:200px;width:auto;object-fit:contain;display:block;filter:drop-shadow(0 4px 20px rgba(0,0,0,.3))}
.nb-left{order:1}
.nb-right{order:3}
.nb-center{
  flex:1;order:2;position:relative;
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:center;
  min-height:140px;overflow:hidden;align-self:center;margin:0 16px;
  border-radius:16px;
}
.nb-center-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(13,18,48,.85),rgba(26,31,74,.75));
  backdrop-filter:blur(4px);
  border-radius:16px;
  border:1px solid var(--card-border);
}
.nb-center-content{position:relative;z-index:2;text-align:center;padding:24px 30px}
.nb-title{
  font-size:28px;font-weight:900;color:#fff;margin:0 0 8px;
  letter-spacing:2px;
  background:linear-gradient(135deg,#fff 0%,var(--accent-light) 50%,var(--primary-light) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  text-shadow:none;
}
.nb-subtitle{font-size:15px;color:rgba(255,255,255,.8);margin:0;letter-spacing:1px}
@media(max-width:768px){
  .nav-banner-inner{flex-direction:column;min-height:auto}
  .nb-side{order:0;width:100%}
  .nb-side img{width:100%;height:auto;max-height:160px;object-fit:cover}
  .nb-center{order:1;min-height:120px;width:100%;margin:0}
  .nb-title{font-size:22px}
  .nb-subtitle{font-size:13px}
}

/* ===== 通用区块 ===== */
.section{padding:70px 0;position:relative}
.section-gray{background:rgba(255,255,255,.02)}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:36px}
.section-header h2{
  font-size:28px;color:#fff;display:flex;align-items:center;gap:10px;
  font-weight:800;letter-spacing:1px;
}
.section-header h2::before{
  content:'';width:4px;height:28px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent-light),var(--primary));
}
.title-icon{font-size:26px;filter:drop-shadow(0 0 8px rgba(99,102,241,.4))}
.more-link{
  color:var(--accent-light);font-size:14px;font-weight:500;
  padding:6px 16px;border-radius:20px;
  border:1px solid rgba(34,211,238,.3);
  transition:all .25s;
}
.more-link:hover{background:rgba(34,211,238,.1);border-color:var(--accent-light);color:var(--accent-light)}

/* ===== 搜索栏 ===== */
.site-search{
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--card-border);
  padding:18px 0;
}
.search-bar{display:flex;gap:12px;max-width:700px;margin:0 auto}
.search-bar input{
  flex:1;padding:14px 24px;
  background:rgba(255,255,255,.06);
  border:1.5px solid var(--card-border);
  border-radius:30px;font-size:15px;color:#fff;
  outline:none;transition:all .3s;
}
.search-bar input::placeholder{color:var(--text-dim)}
.search-bar input:focus{
  border-color:var(--accent-light);
  background:rgba(255,255,255,.08);
  box-shadow:0 0 0 4px rgba(34,211,238,.1);
}
.search-bar button{
  padding:14px 36px;
  background:linear-gradient(135deg,var(--primary),var(--purple));
  color:#fff;border:none;border-radius:30px;font-size:15px;
  cursor:pointer;white-space:nowrap;font-weight:600;
  transition:all .3s;box-shadow:0 4px 20px rgba(99,102,241,.4);
}
.search-bar button:hover{transform:translateY(-1px);box-shadow:0 6px 28px rgba(99,102,241,.55)}

/* ===== 平台卡片 ===== */
.platform-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.platform-card{
  background:var(--card);
  backdrop-filter:blur(10px);
  border-radius:14px;overflow:hidden;
  box-shadow:0 4px 20px rgba(0,0,0,.2);
  transition:all .35s cubic-bezier(.4,0,.2,1);
  position:relative;border:1px solid var(--card-border);
}
.platform-card::before{
  content:'';position:absolute;inset:0;border-radius:14px;
  background:linear-gradient(135deg,rgba(99,102,241,.15),rgba(6,182,212,.1));
  opacity:0;transition:opacity .35s;pointer-events:none;
}
.platform-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 40px rgba(99,102,241,.3);
  border-color:rgba(99,102,241,.4);
}
.platform-card:hover::before{opacity:1}
.platform-card.is-recommend{
  border-color:rgba(59,130,246,.5);
}
.platform-card.is-recommend::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,#3b82f6,#06b6d4);opacity:1;
}
.platform-badge{
  position:absolute;top:10px;right:10px;
  background:#3b82f6;color:#fff;padding:3px 10px;border-radius:4px;
  font-size:11px;font-weight:600;z-index:2;letter-spacing:.5px;
}
.platform-link{display:block;color:inherit;padding:16px 10px;text-align:center;position:relative;z-index:1}
.platform-link:hover{color:inherit}
.platform-header{display:block;padding:0 0 10px}
.platform-logo{
  width:64px;height:64px;margin:0 auto 10px;border-radius:16px;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;overflow:hidden;
  border:1px solid var(--card-border);
  transition:transform .35s;
}
.platform-card:hover .platform-logo{transform:scale(1.1) rotate(-3deg)}
.platform-logo img{width:100%;height:100%;object-fit:contain;display:block}
.logo-placeholder{
  color:#fff;font-size:22px;font-weight:800;width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--purple));
}
.platform-info{text-align:center}
.platform-name{font-size:14px;color:#fff;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.platform-meta{display:flex;align-items:center;justify-content:center;gap:6px;font-size:11px;flex-wrap:wrap}
.platform-cat{
  background:rgba(99,102,241,.2);color:var(--primary-light);
  padding:2px 8px;border-radius:6px;font-size:10px;font-weight:500;
}
.platform-rating{color:var(--gold);font-size:11px}
.platform-desc{display:none}
.platform-features{display:none}
.platform-footer{
  display:flex;flex-direction:column;gap:6px;align-items:center;
  padding:10px 0 0;border-top:1px solid var(--card-border);margin-top:6px;
}
.platform-price{color:#ef4444;font-weight:800;font-size:14px}
.platform-go{
  color:var(--accent-light);font-size:12px;font-weight:600;
  background:rgba(34,211,238,.1);padding:5px 14px;border-radius:8px;
  display:inline-block;transition:all .25s;
}
.platform-card:hover .platform-go{background:var(--accent-light);color:var(--dark)}

/* 更多平台卡片 */
.more-platform-card{
  display:flex;align-items:center;justify-content:center;
  background:var(--card);border:1.5px dashed var(--card-border);
}
.more-platform-card:hover{border-color:var(--accent-light);border-style:solid}

/* ===== 分类标签 ===== */
.cat-tabs{display:flex;gap:10px;margin-bottom:28px;flex-wrap:wrap}
.cat-tab{
  padding:10px 24px;
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:25px;color:var(--text-dim);
  font-size:14px;transition:all .25s;cursor:pointer;
  backdrop-filter:blur(10px);
}
.cat-tab:hover{border-color:var(--primary-light);color:var(--primary-light);background:rgba(99,102,241,.1)}
.cat-tab.active{
  background:linear-gradient(135deg,var(--primary),var(--purple));
  color:#fff;border-color:transparent;
  box-shadow:0 4px 15px rgba(99,102,241,.4);
}

/* ===== 文章卡片(网格) ===== */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-card{
  background:var(--card);backdrop-filter:blur(10px);
  border-radius:16px;overflow:hidden;
  box-shadow:0 4px 20px rgba(0,0,0,.2);
  transition:all .35s cubic-bezier(.4,0,.2,1);
  display:block;color:inherit;border:1px solid var(--card-border);
}
.article-card:hover{
  transform:translateY(-6px);
  box-shadow:0 16px 48px rgba(99,102,241,.25);
  border-color:rgba(99,102,241,.3);
}
.article-cover{
  height:170px;background-size:cover;background-position:center;
  background-color:rgba(255,255,255,.05);position:relative;overflow:hidden;
}
.article-cover::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(10,14,39,.6));
  opacity:0;transition:opacity .35s;
}
.article-card:hover .article-cover::after{opacity:1}
.article-cover-default{
  display:flex;align-items:center;justify-content:center;font-size:56px;
  background:linear-gradient(135deg,rgba(99,102,241,.2),rgba(168,85,247,.15));
}
.article-body{padding:20px}
.article-cat{
  display:inline-block;
  background:rgba(99,102,241,.2);color:var(--primary-light);
  padding:3px 12px;border-radius:6px;font-size:12px;font-weight:500;margin-bottom:10px;
}
.article-title{
  font-size:17px;color:#fff;margin-bottom:10px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-weight:700;transition:color .25s;
}
.article-card:hover .article-title{color:var(--accent-light)}
.article-excerpt{color:var(--text-dim);font-size:13px;line-height:1.7;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;justify-content:space-between;color:var(--text-dim);font-size:12px}

/* 文章列表页(横向) */
.article-list{display:flex;flex-direction:column;gap:18px}
.article-list-item{
  display:flex;gap:24px;
  background:var(--card);backdrop-filter:blur(10px);
  border-radius:16px;overflow:hidden;
  box-shadow:0 4px 20px rgba(0,0,0,.2);
  transition:all .35s;color:inherit;border:1px solid var(--card-border);
}
.article-list-item:hover{
  box-shadow:0 8px 32px rgba(99,102,241,.2);
  transform:translateX(6px);border-color:rgba(99,102,241,.3);
}
.ali-cover{
  width:240px;height:160px;flex-shrink:0;
  background-size:cover;background-position:center;
  background-color:rgba(255,255,255,.05);position:relative;
}
.ali-cover-default{display:flex;align-items:center;justify-content:center;font-size:48px;background:linear-gradient(135deg,rgba(99,102,241,.2),rgba(168,85,247,.15))}
.ali-content{flex:1;padding:22px 24px 22px 0;display:flex;flex-direction:column}
.ali-cat{
  display:inline-block;background:rgba(99,102,241,.2);color:var(--primary-light);
  padding:3px 12px;border-radius:6px;font-size:12px;align-self:flex-start;margin-bottom:10px;font-weight:500;
}
.ali-title{font-size:20px;color:#fff;margin-bottom:10px;font-weight:700;transition:color .25s}
.article-list-item:hover .ali-title{color:var(--accent-light)}
.ali-excerpt{color:var(--text-dim);font-size:14px;flex:1;line-height:1.7}
.ali-meta{display:flex;gap:20px;color:var(--text-dim);font-size:13px;margin-top:12px}

/* ===== 文章详情 ===== */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:32px}
.article-detail{
  background:var(--card);backdrop-filter:blur(10px);
  border-radius:20px;padding:40px;
  box-shadow:0 4px 30px rgba(0,0,0,.2);border:1px solid var(--card-border);
}
.ad-cover{
  height:320px;border-radius:12px;
  background-size:cover;background-position:center;margin-bottom:28px;
  box-shadow:0 8px 30px rgba(0,0,0,.3);
}
.ad-title{font-size:32px;color:#fff;margin-bottom:18px;line-height:1.4;font-weight:800}
.ad-meta{
  display:flex;gap:20px;color:var(--text-dim);font-size:13px;
  margin-bottom:24px;padding-bottom:20px;
  border-bottom:1px solid var(--card-border);flex-wrap:wrap;
}
.ad-cat{background:rgba(99,102,241,.2);color:var(--primary-light);padding:3px 12px;border-radius:6px}
.ad-summary{
  background:rgba(99,102,241,.08);padding:18px 24px;border-radius:12px;
  color:var(--text);font-size:14px;margin-bottom:28px;
  border-left:4px solid var(--primary);
}
.ad-content{font-size:15px;line-height:2;color:var(--text)}
.ad-content h1,.ad-content h2,.ad-content h3{margin:24px 0 14px;color:#fff;font-weight:700}
.ad-content h2{font-size:24px}
.ad-content h3{font-size:19px}
.ad-content p{margin-bottom:18px}
.ad-content img{max-width:100%;border-radius:10px;margin:14px 0;box-shadow:0 4px 20px rgba(0,0,0,.3)}
.ad-content video{max-width:100%;border-radius:10px;margin:14px 0}
.ad-content ul,.ad-content ol{margin:14px 0 20px 24px}
.ad-content li{margin-bottom:8px;color:var(--text)}
.ad-content a{color:var(--accent-light);text-decoration:underline}
.ad-content blockquote{
  border-left:4px solid var(--primary);padding:12px 24px;
  background:rgba(99,102,241,.08);margin:20px 0;color:var(--text);border-radius:0 8px 8px 0;
}

/* 侧边栏 */
.article-sidebar{position:sticky;top:90px;align-self:start}
.sidebar-widget{
  background:var(--card);backdrop-filter:blur(10px);
  border-radius:14px;padding:22px;margin-bottom:18px;
  box-shadow:0 4px 20px rgba(0,0,0,.15);border:1px solid var(--card-border);
}
.sidebar-widget h3{
  font-size:17px;margin-bottom:16px;color:#fff;
  padding-bottom:12px;border-bottom:1px solid var(--card-border);
  font-weight:700;
}
.sidebar-list li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:center;gap:8px}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list a{color:var(--text);font-size:14px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .2s}
.sidebar-list a:hover{color:var(--accent-light)}
.side-views{color:var(--text-dim);font-size:12px;flex-shrink:0}
.sidebar-contact{
  background:linear-gradient(135deg,var(--primary),var(--purple));
  color:#fff;border:none;
}
.sidebar-contact h3{color:#fff;border-bottom-color:rgba(255,255,255,.2)}
.sidebar-contact p{font-size:13px;margin-bottom:8px;opacity:.9}

/* ===== 下载中心 ===== */
.file-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.file-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);backdrop-filter:blur(10px);
  padding:24px;border-radius:14px;
  box-shadow:0 4px 20px rgba(0,0,0,.15);
  transition:all .3s;border:1px solid var(--card-border);
}
.file-card:hover{box-shadow:0 8px 32px rgba(99,102,241,.2);transform:translateY(-3px);border-color:rgba(99,102,241,.3)}
.file-icon{font-size:40px;flex-shrink:0;filter:drop-shadow(0 2px 8px rgba(99,102,241,.3))}
.file-info{flex:1;min-width:0}
.file-name{font-size:17px;color:#fff;margin-bottom:6px;font-weight:600}
.file-desc{color:var(--text-dim);font-size:13px;margin-bottom:8px}
.file-meta{display:flex;gap:14px;color:var(--text-dim);font-size:12px}

/* ===== CTA区块 ===== */
.cta-box{
  background:linear-gradient(135deg,var(--primary) 0%,var(--purple) 50%,var(--accent) 100%);
  border-radius:20px;padding:56px;
  display:flex;justify-content:space-between;align-items:center;
  color:#fff;flex-wrap:wrap;gap:24px;
  box-shadow:0 12px 48px rgba(99,102,241,.35);
  position:relative;overflow:hidden;
}
.cta-box::before{
  content:'';position:absolute;top:-50%;right:-20%;width:400px;height:400px;
  background:radial-gradient(circle,rgba(255,255,255,.1),transparent 70%);
  border-radius:50%;
}
.cta-content{position:relative;z-index:1}
.cta-content h2{font-size:30px;margin-bottom:10px;font-weight:800}
.cta-content p{opacity:.9;font-size:15px}
.cta-btns{display:flex;gap:14px;position:relative;z-index:1}
.cta-btns .btn{background:#fff;color:var(--primary);box-shadow:0 4px 20px rgba(0,0,0,.2)}
.cta-btns .btn:hover{background:rgba(255,255,255,.9);transform:translateY(-2px)}
.cta-btns .btn-outline{border-color:#fff;color:#fff;background:rgba(255,255,255,.15)}
.cta-btns .btn-outline:hover{background:#fff;color:var(--primary)}

/* ===== 页脚 ===== */
.site-footer{
  background:rgba(5,8,25,.9);
  color:var(--text-dim);padding:60px 0 24px;margin-top:50px;
  border-top:1px solid var(--card-border);
  position:relative;
}
.site-footer::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--accent),var(--primary),transparent);
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:36px}
.footer-col h4{color:#fff;margin-bottom:18px;font-size:17px;font-weight:700}
.footer-col p{font-size:13px;line-height:1.9;color:var(--text-dim)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:var(--text-dim);font-size:14px;transition:color .2s}
.footer-col ul li a:hover{color:var(--accent-light);padding-left:4px}
.footer-bottom{
  border-top:1px solid var(--card-border);
  padding-top:24px;text-align:center;font-size:13px;color:var(--text-dim);
}
.footer-bottom a{color:var(--text-dim)}

/* ===== 页面Banner ===== */
.page-banner{
  background:linear-gradient(135deg,#0d1230,#1a1f4a);
  color:#fff;padding:60px 0;text-align:center;
  position:relative;overflow:hidden;
}
.page-banner::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:
    radial-gradient(circle at 30% 50%,rgba(99,102,241,.2),transparent 50%),
    radial-gradient(circle at 70% 50%,rgba(6,182,212,.15),transparent 50%);
}
.page-banner h1{font-size:36px;margin-bottom:10px;font-weight:800;position:relative;z-index:1}
.page-banner p{opacity:.8;position:relative;z-index:1}
.page-banner a{color:var(--accent-light)}

/* ===== 表单 ===== */
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:8px;color:var(--text);font-weight:500}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 16px;
  background:rgba(255,255,255,.06);
  border:1.5px solid var(--card-border);border-radius:10px;
  font-size:14px;font-family:inherit;color:#fff;transition:all .25s;
}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-dim)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--accent-light);
  background:rgba(255,255,255,.08);
  box-shadow:0 0 0 4px rgba(34,211,238,.1);
}
.form-group textarea{resize:vertical}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px}
.upload-row{display:flex;gap:10px}
.upload-row input{flex:1}
.preview-img{max-width:200px;margin-top:12px;border-radius:8px;border:1px solid var(--card-border)}

/* ===== 提示/空状态/分页 ===== */
.alert{padding:14px 20px;border-radius:10px;margin-bottom:18px;font-size:14px}
.alert-success{background:rgba(34,197,94,.1);color:#4ade80;border:1px solid rgba(34,197,94,.3)}
.alert-error{background:rgba(239,68,68,.1);color:#f87171;border:1px solid rgba(239,68,68,.3)}
.alert-info{background:rgba(59,130,246,.1);color:#60a5fa;border:1px solid rgba(59,130,246,.3)}
.empty-state{text-align:center;padding:70px 20px;color:var(--text-dim);font-size:15px}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.pagination a{
  padding:10px 16px;border:1px solid var(--card-border);border-radius:8px;
  color:var(--text);font-size:13px;background:var(--card);transition:all .25s;
}
.pagination a:hover{border-color:var(--primary-light);color:var(--primary-light)}
.pagination a.active{background:linear-gradient(135deg,var(--primary),var(--purple));color:#fff;border-color:transparent}
.page-dots{padding:10px 8px;color:var(--text-dim)}

/* ===== 数据表格 ===== */
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th{
  background:rgba(255,255,255,.05);padding:14px;text-align:left;
  font-weight:600;color:var(--text);border-bottom:2px solid var(--card-border);white-space:nowrap;
}
.data-table td{padding:14px;border-bottom:1px solid rgba(255,255,255,.05);color:var(--text)}
.data-table tr:hover{background:rgba(255,255,255,.03)}
.mono{font-family:"Courier New",monospace;font-size:12px}
.status{display:inline-block;padding:3px 12px;border-radius:12px;font-size:12px;font-weight:500}
.status-paid{background:rgba(34,197,94,.15);color:#4ade80}
.status-pending{background:rgba(245,158,11,.15);color:#fbbf24}
.status-expired{background:rgba(239,68,68,.15);color:#f87171}
.badge{display:inline-block;background:rgba(99,102,241,.15);color:var(--primary-light);padding:3px 12px;border-radius:6px;font-size:12px}
.badge-recommend{background:linear-gradient(135deg,var(--gold),#ef4444);color:#fff}
.table-thumb{width:44px;height:44px;border-radius:8px;object-fit:cover}
.no-thumb{color:var(--text-dim);font-size:12px}

/* ===== 面板 ===== */
.panel{background:var(--card);backdrop-filter:blur(10px);border-radius:14px;box-shadow:0 4px 20px rgba(0,0,0,.15);margin-bottom:22px;border:1px solid var(--card-border)}
.panel-header{display:flex;justify-content:space-between;align-items:center;padding:18px 26px;border-bottom:1px solid var(--card-border)}
.panel-header h3{font-size:17px;color:#fff;font-weight:700}
.panel-body{padding:22px 26px}
.panel-row{margin-bottom:22px}
.search-form{display:flex;gap:10px}
.search-form input{padding:8px 14px;border:1px solid var(--card-border);border-radius:8px;font-size:13px;width:200px;background:rgba(255,255,255,.06);color:#fff}

/* ===== 独立导航板块 ===== */
.nav-section{background:rgba(255,255,255,.02);padding:20px 0;border-bottom:1px solid var(--card-border)}
.nav-section .cat-tabs{margin-bottom:0;justify-content:center;flex-wrap:wrap}
.nav-section .cat-tab{padding:10px 26px;font-size:14px}

/* ===== 广告卡片(网格内) ===== */
.ad-card-grid{
  background:linear-gradient(135deg,var(--primary),var(--purple));
  border-radius:14px;overflow:hidden;
  box-shadow:0 4px 20px rgba(99,102,241,.3);
  transition:all .35s;position:relative;
  display:flex;align-items:center;justify-content:center;min-height:168px;
}
.ad-card-grid:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(99,102,241,.45)}
.ad-card-grid img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.ad-card-grid .ad-grid-ph{color:#fff;text-align:center;padding:18px;position:relative;z-index:1}
.ad-card-grid .ad-grid-ph-icon{font-size:32px;margin-bottom:8px}
.ad-card-grid .ad-grid-ph-title{font-size:14px;font-weight:700;line-height:1.4}
.ad-card-grid .ad-grid-label{
  position:absolute;top:8px;left:8px;
  background:rgba(245,158,11,.95);color:#fff;
  padding:3px 10px;border-radius:12px;font-size:11px;font-weight:700;z-index:2;
}

/* ===== 横向滚动广告 ===== */
.ad-scroll-section{background:rgba(255,255,255,.02)}
.ad-scroll-wrap{position:relative;padding:0 10px}
.ad-scroll{
  display:flex;gap:18px;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;padding:8px 2px;will-change:scroll-left;
}
.ad-scroll::-webkit-scrollbar{display:none}
.ad-card{
  flex:0 0 auto;width:210px;
  background:var(--card);backdrop-filter:blur(10px);
  border-radius:14px;overflow:hidden;
  box-shadow:0 4px 20px rgba(0,0,0,.2);
  border:1px solid var(--card-border);
  display:block;color:inherit;transition:all .35s;
}
.ad-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(99,102,241,.25);border-color:rgba(99,102,241,.3)}
.ad-card-img{height:120px;background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;overflow:hidden}
.ad-card-img img{width:100%;height:100%;object-fit:contain;display:block;padding:10px}
.ad-card-img .ad-ph{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--primary-light)}
.ad-card-img .ad-ph-icon{font-size:36px}
.ad-card-img .ad-ph-text{font-size:13px}
.ad-card-info{padding:14px;text-align:center}
.ad-card-title{font-size:14px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:10px}
.ad-card-btn{
  display:inline-block;padding:6px 18px;
  background:linear-gradient(135deg,var(--primary),var(--purple));
  color:#fff;border-radius:16px;font-size:12px;font-weight:600;
  transition:all .25s;
}
.ad-card-btn:hover{box-shadow:0 4px 15px rgba(99,102,241,.4)}
.ad-scroll-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:40px;height:40px;border-radius:50%;
  background:var(--card);backdrop-filter:blur(10px);
  box-shadow:0 4px 15px rgba(0,0,0,.3);
  border:1px solid var(--card-border);cursor:pointer;
  font-size:20px;z-index:2;display:flex;align-items:center;justify-content:center;
  color:var(--text);transition:all .25s;
}
.ad-scroll-arrow:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.ad-scroll-arrow.prev{left:-8px}
.ad-scroll-arrow.next{right:-8px}
@media(max-width:768px){
  .ad-card{width:170px}
  .ad-card-img{height:100px}
  .ad-scroll-arrow{width:34px;height:34px;font-size:16px}
}

/* 标签 */
.tag{display:inline-block;padding:3px 10px;border-radius:6px;font-size:12px;font-weight:500}
.tag-link{background:rgba(34,197,94,.15);color:#4ade80}

/* ===== 首页文章大卡片 ===== */
.article-large-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-large-card{
  display:flex;flex-direction:column;
  background:var(--card);backdrop-filter:blur(10px);
  border-radius:16px;overflow:hidden;
  box-shadow:0 4px 20px rgba(0,0,0,.2);
  border:1px solid var(--card-border);transition:all .35s cubic-bezier(.4,0,.2,1);
}
.article-large-card:hover{
  box-shadow:0 16px 48px rgba(99,102,241,.3);
  transform:translateY(-6px);border-color:rgba(99,102,241,.35);
}
.alc-left{position:relative;width:100%;height:190px;flex-shrink:0;background:rgba(255,255,255,.05);overflow:hidden}
.alc-tag{
  position:absolute;top:12px;left:12px;
  background:linear-gradient(135deg,#ef4444,#dc2626);
  color:#fff;padding:5px 14px;border-radius:8px;
  font-size:12px;font-weight:700;z-index:2;
  box-shadow:0 2px 12px rgba(239,68,68,.4);
}
.alc-cover{
  width:100%;height:100%;background-size:cover;background-position:center;
  position:absolute;inset:0;transition:transform .5s;
}
.article-large-card:hover .alc-cover{transform:scale(1.08)}
.alc-cover-default{
  display:flex;align-items:center;justify-content:center;font-size:60px;
  color:var(--primary-light);
  background:linear-gradient(135deg,rgba(99,102,241,.25),rgba(168,85,247,.2));
  position:relative;
}
.alc-right{flex:1;padding:18px 20px;display:flex;flex-direction:column;min-width:0}
.alc-title{font-size:17px;color:#fff;margin-bottom:10px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .25s}
.article-large-card:hover .alc-title{color:var(--accent-light)}
.alc-meta{display:flex;gap:14px;color:var(--text-dim);font-size:12px;margin-bottom:12px;flex-wrap:wrap}
.alc-points{list-style:none;margin:0 0 16px;padding:0;flex:1}
.alc-points li{position:relative;padding-left:16px;font-size:13px;color:var(--text-dim);line-height:1.8;margin-bottom:3px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.alc-points li::before{content:"▸";position:absolute;left:0;color:var(--accent-light);font-weight:700;font-size:11px}
.alc-btns{display:flex;gap:10px;margin-top:auto}
.alc-btns .btn{flex:1;padding:9px 14px;font-size:13px;text-align:center;border-radius:8px;text-decoration:none}
.alc-btns .btn-trial{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none;box-shadow:0 3px 12px rgba(239,68,68,.3)}
.alc-btns .btn-trial:hover{box-shadow:0 5px 20px rgba(239,68,68,.45)}
.alc-btns .btn-detail{background:transparent;color:var(--accent-light);border:1.5px solid var(--accent-light);box-shadow:none}
.alc-btns .btn-detail:hover{background:var(--accent-light);color:var(--dark)}
@media(max-width:900px){.article-large-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.article-large-list{grid-template-columns:1fr}.alc-left{height:170px}.alc-title{font-size:16px}}

/* ===== 右侧悬浮客服 ===== */
.float-service{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:999;display:flex;flex-direction:column;gap:12px}
.service-btn{
  width:52px;height:52px;border-radius:50%;
  background:var(--card);backdrop-filter:blur(10px);
  box-shadow:0 4px 20px rgba(0,0,0,.3);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;cursor:pointer;transition:all .3s;
  position:relative;border:1px solid var(--card-border);
}
.service-btn:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(99,102,241,.4)}
.service-btn.wechat{color:#4ade80}
.service-btn.qq{color:#60a5fa}
.service-btn .service-panel{
  position:absolute;right:62px;top:50%;transform:translateY(-50%);
  background:var(--dark2);backdrop-filter:blur(20px);
  border-radius:14px;box-shadow:0 8px 32px rgba(0,0,0,.4);
  padding:16px;min-width:180px;display:none;text-align:center;
  border:1px solid var(--card-border);
}
.service-btn:hover .service-panel{display:block}
.service-panel h4{font-size:14px;margin-bottom:10px;color:#fff}
.service-panel .sp-qr{width:130px;height:130px;background:rgba(255,255,255,.05);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:12px;margin:0 auto 10px;border:1px dashed var(--card-border)}
.service-panel p{font-size:13px;color:var(--text);margin-bottom:6px}
.service-panel .sp-id{font-size:16px;font-weight:700;color:#fff;user-select:all}
.service-panel .sp-copy{display:inline-block;margin-top:8px;padding:5px 14px;background:rgba(99,102,241,.2);color:var(--primary-light);border-radius:8px;font-size:12px;cursor:pointer;border:none;transition:all .25s}
.service-panel .sp-copy:hover{background:var(--primary);color:#fff}

/* ===== 手机端汉堡菜单 ===== */
.menu-toggle{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:#fff;padding:4px 8px}
.mobile-nav{
  display:none;position:absolute;top:72px;left:0;right:0;
  background:rgba(10,14,39,.95);backdrop-filter:blur(20px);
  box-shadow:0 8px 24px rgba(0,0,0,.3);padding:12px 0;z-index:99;
  border-bottom:1px solid var(--card-border);
}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:14px 28px;color:var(--text);font-size:15px;border-bottom:1px solid rgba(255,255,255,.05)}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--accent-light);background:rgba(99,102,241,.1)}

/* ===== 响应式 ===== */
@media(max-width:1100px){.platform-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:900px){
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-layout{grid-template-columns:1fr}
  .file-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .platform-grid{grid-template-columns:repeat(3,1fr);gap:12px}
  .main-nav{display:none}
  .menu-toggle{display:block}
  .section{padding:48px 0}
  .section-header h2{font-size:22px}
  .article-list-item{flex-direction:column}
  .ali-cover{width:100%;height:180px}
  .ali-content{padding:18px}
  .cta-box{padding:36px;flex-direction:column;text-align:center}
  .cta-btns{flex-direction:column;width:100%}
  .cta-btns .btn{width:100%}
  .float-service{right:12px}
  .service-btn{width:44px;height:44px;font-size:20px}
  .service-btn .service-panel{right:52px;min-width:160px}
  .page-banner{padding:44px 0}
  .page-banner h1{font-size:26px}
  .article-detail{padding:24px}
  .ad-title{font-size:24px}
}
@media(max-width:480px){
  .platform-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .article-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .container{padding:0 14px}
  .platform-logo{width:54px;height:54px}
  .platform-name{font-size:13px}
  .ad-card-grid{min-height:150px}
  .cat-tabs{gap:8px}
  .cat-tab{padding:8px 18px;font-size:13px}
}

/* ===== 用户入口 ===== */
.header-user{display:flex;align-items:center;gap:8px;margin-left:16px}
.user-btn{
  display:inline-block;padding:8px 16px;border-radius:8px;
  font-size:13px;font-weight:500;text-decoration:none;
  transition:all .25s;white-space:nowrap;
}
.user-btn{background:rgba(255,255,255,.08);color:var(--text,#e2e8f0);border:1px solid var(--card-border,rgba(255,255,255,.1))}
.user-btn:hover{background:rgba(99,102,241,.15);color:var(--accent-light,#22d3ee);border-color:rgba(99,102,241,.3)}
.user-btn-primary{background:linear-gradient(135deg,var(--primary,#6366f1),var(--purple,#a855f7));color:#fff;border-color:transparent;box-shadow:0 2px 10px rgba(99,102,241,.3)}
.user-btn-primary:hover{opacity:.9;color:#fff;transform:translateY(-1px)}
.user-btn-accent{background:linear-gradient(135deg,#f59e0b,#ef4444);color:#fff;border-color:transparent;box-shadow:0 2px 10px rgba(245,158,11,.3);animation:pulseBtn 2s infinite}
.user-btn-accent:hover{opacity:.9;color:#fff}
@keyframes pulseBtn{0%,100%{box-shadow:0 2px 10px rgba(245,158,11,.3)}50%{box-shadow:0 2px 18px rgba(245,158,11,.55)}}
@media(max-width:768px){
  .header-user{display:none}
}