/* ============================================================
   AI协会 aixiehui.cn · 全站样式
   纯静态 / 零依赖 / 响应式。设计语言：深空蓝 + 数据流 + 玻璃卡片
   ============================================================ */
:root{
  --bg:#060B18; --bg2:#0A1226; --card:#0E1A34; --card2:#122142;
  --line:rgba(126,166,255,.15); --line2:rgba(126,166,255,.28);
  --text:#EAF1FF; --muted:#A8BCE0; --dim:#8BA1C8;
  --primary:#3B82F6; --cyan:#22D3C5; --violet:#8B6CFF; --amber:#FFB454; --rose:#FF6B8B;
  --grad:linear-gradient(102deg,#3B82F6 0%,#22D3C5 100%);
  --grad2:linear-gradient(102deg,#8B6CFF 0%,#3B82F6 100%);
  --shadow:0 18px 48px rgba(0,0,0,.34);
  --r:16px; --r-sm:10px; --r-lg:24px;
  --max:1200px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(59,130,246,.16),transparent 70%);
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
img,svg{vertical-align:middle;max-width:100%}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(59,130,246,.4);color:#fff}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:#25395F;border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:#365182}

/* ---------- 布局 ---------- */
.wrap{width:min(100% - 40px,var(--max));margin-inline:auto}
.section{padding:76px 0}
.section.tight{padding:48px 0}
.soft-bg{background:linear-gradient(180deg,rgba(14,26,52,.0),rgba(14,26,52,.55),rgba(14,26,52,0))}
.divider{height:1px;background:var(--line);margin:28px 0}
.flex{display:flex;align-items:center;gap:12px}
.between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.center{display:flex;align-items:center;justify-content:center}
.wrapflex{display:flex;flex-wrap:wrap;gap:12px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g5{grid-template-columns:repeat(5,minmax(0,1fr))}
.span2{grid-column:span 2}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt32{margin-top:32px}.mt48{margin-top:48px}
.mb8{margin-bottom:8px}.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}.mb32{margin-bottom:32px}
.muted{color:var(--muted)}.dim{color:var(--dim)}
.small{font-size:13px}.tiny{font-size:12px}.big{font-size:17px}
.mono{font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;letter-spacing:.02em}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hide{display:none!important}
.nowrap{white-space:nowrap}
.right{text-align:right}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;backdrop-filter:blur(18px);
  background:rgba(6,11,24,.82);border-bottom:1px solid var(--line);
}
.header-in{height:68px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad);box-shadow:0 6px 22px rgba(59,130,246,.38);color:#04101F;font-weight:900;font-size:18px;
  letter-spacing:-1px;
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.5px;line-height:1.1}
.brand-sub{font-size:10px;color:var(--dim);letter-spacing:1.4px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:2px;flex:1;overflow:hidden}
.nav a{
  padding:8px 11px;border-radius:9px;font-size:14px;color:var(--muted);white-space:nowrap;transition:.2s;
}
.nav a:hover{color:var(--text);background:rgba(59,130,246,.1)}
.nav a.active{color:#fff;background:rgba(59,130,246,.16);box-shadow:inset 0 0 0 1px rgba(59,130,246,.25)}
.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;
  color:var(--muted);background:rgba(255,255,255,.02);transition:.2s;
}
.icon-btn:hover{color:#fff;border-color:var(--line2);background:rgba(59,130,246,.12)}
.menu-toggle{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:11px;font-size:14px;font-weight:600;
  border:1px solid transparent;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--grad);color:#04101F;box-shadow:0 8px 26px rgba(59,130,246,.28)}
.btn-primary:hover{box-shadow:0 12px 34px rgba(59,130,246,.45)}
.btn-violet{background:var(--grad2);color:#fff;box-shadow:0 8px 26px rgba(139,108,255,.25)}
.btn-ghost{border-color:var(--line2);color:var(--text);background:rgba(255,255,255,.025)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(59,130,246,.1)}
.btn-soft{background:rgba(59,130,246,.14);color:#9EC3FF}
.btn-danger{background:rgba(255,107,139,.14);color:#FF9DB1;border-color:rgba(255,107,139,.3)}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:9px}
.btn-lg{padding:15px 28px;font-size:16px;border-radius:13px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.link{color:#8FB7FF;border-bottom:1px dashed rgba(143,183,255,.5);cursor:pointer}
.link:hover{color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:88px 0 78px;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(90,140,230,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(90,140,230,.055) 1px,transparent 1px);
  background-size:52px 52px;mask-image:radial-gradient(ellipse 75% 70% at 50% 35%,#000 15%,transparent 100%);
}
.hero::after{
  content:"";position:absolute;width:680px;height:680px;right:-220px;top:-330px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(59,130,246,.22),transparent 65%);filter:blur(10px);
}
#net-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.5;pointer-events:none}
.hero-in{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:100px;
  background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.3);color:#A8C8FF;font-size:13px;
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,197,.16);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(34px,5.1vw,62px);letter-spacing:-1.5px;margin:22px 0 18px;font-weight:850}
.hero h1 .grad-text{display:inline-block}
.hero-sub{font-size:clamp(15px,1.6vw,18px);color:var(--muted);max-width:720px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:56px}
.stat{
  padding:20px 18px;border-radius:var(--r);background:rgba(14,26,52,.68);border:1px solid var(--line);
  backdrop-filter:blur(8px);position:relative;overflow:hidden;
}
.stat::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--grad)}
.stat-num{font-size:29px;font-weight:800;letter-spacing:-.5px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px}
.stat-note{font-size:11px;color:var(--dim);margin-top:6px}
.hero-visual{
  position:relative;border-radius:var(--r-lg);border:1px solid var(--line2);overflow:hidden;
  background:linear-gradient(145deg,rgba(18,33,66,.95),rgba(8,16,34,.95));box-shadow:var(--shadow);min-height:380px;
}
.panel-bar{display:flex;align-items:center;gap:7px;padding:14px 18px;border-bottom:1px solid var(--line)}
.panel-bar i{width:9px;height:9px;border-radius:50%;background:#2B416C;display:block}
.panel-bar i:first-child{background:#FF6B8B}.panel-bar i:nth-child(2){background:#FFB454}.panel-bar i:nth-child(3){background:#22D3C5}
.panel-bar span{margin-left:auto;font-size:12px;color:var(--dim)}
.panel-body{padding:20px}
.mini-chart{display:flex;align-items:flex-end;gap:8px;height:112px;margin:18px 0 10px}
.mini-chart i{flex:1;border-radius:5px 5px 0 0;background:linear-gradient(180deg,var(--primary),rgba(59,130,246,.12));display:block}
.mini-chart i:nth-child(even){background:linear-gradient(180deg,var(--cyan),rgba(34,211,197,.1))}
.flow-row{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13px}
.flow-row:last-child{border:0}
.flow-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);flex-shrink:0}
.flow-row .muted{margin-left:auto;text-align:right}

/* ---------- 页头 ---------- */
.page-hero{position:relative;padding:52px 0 40px;border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 55% 130% at 88% 0%,rgba(59,130,246,.18),transparent 70%);
}
.page-hero .wrap{position:relative}
.breadcrumb{font-size:12px;color:var(--dim);margin-bottom:16px}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{margin:0 7px;opacity:.5}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);letter-spacing:-.8px}
.page-hero p{color:var(--muted);margin-top:12px;max-width:760px}

/* ---------- 区块标题 ---------- */
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:2.4px;text-transform:uppercase;color:var(--cyan);
  font-weight:700;margin-bottom:12px;
}
.section-title{font-size:clamp(24px,3vw,34px);letter-spacing:-.6px}
.section-desc{color:var(--muted);margin-top:12px;font-size:15px}
.section-head.right-head{margin-left:auto;text-align:right}

/* ---------- 卡片 ---------- */
.card{
  background:linear-gradient(160deg,rgba(18,33,66,.88),rgba(11,21,43,.88));
  border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative;overflow:hidden;
  transition:border-color .22s,transform .22s,box-shadow .22s;
}
.card:hover{border-color:var(--line2);transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.28)}
.card::after{
  content:"";position:absolute;width:150px;height:150px;right:-90px;top:-90px;border-radius:50%;
  background:radial-gradient(circle,rgba(59,130,246,.14),transparent 70%);pointer-events:none;
}
.card h3{font-size:17px;margin-bottom:9px}
.card p{color:var(--muted);font-size:14px}
.card-num{font-size:12px;color:var(--dim);font-weight:700;letter-spacing:1.5px}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(59,130,246,.13);border:1px solid rgba(59,130,246,.24);color:#8FB7FF;font-size:19px;font-weight:800;
}
.card-icon.cyan{background:rgba(34,211,197,.1);border-color:rgba(34,211,197,.25);color:var(--cyan)}
.card-icon.violet{background:rgba(139,108,255,.12);border-color:rgba(139,108,255,.28);color:#B9A5FF}
.card-icon.amber{background:rgba(255,180,84,.1);border-color:rgba(255,180,84,.25);color:var(--amber)}
.card-list li{display:flex;gap:10px;color:var(--muted);font-size:13.5px;padding:5px 0}
.card-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);margin-top:9px;flex-shrink:0}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--dim)}
.price{font-size:30px;font-weight:800;letter-spacing:-1px}
.price small{font-size:13px;font-weight:500;color:var(--dim)}
.featured{border-color:rgba(59,130,246,.55);box-shadow:0 0 0 1px rgba(59,130,246,.18),0 16px 44px rgba(59,130,246,.13)}
.featured::before{content:"推荐";position:absolute;right:16px;top:14px;font-size:11px;padding:3px 9px;border-radius:100px;background:var(--grad);color:#04101F;font-weight:800}

/* ---------- 标签 / 徽标 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:100px;font-size:12px;
  background:rgba(59,130,246,.12);color:#9EC3FF;border:1px solid rgba(59,130,246,.2);white-space:nowrap;
}
.tag.cyan{background:rgba(34,211,197,.1);color:#7DE9DC;border-color:rgba(34,211,197,.22)}
.tag.violet{background:rgba(139,108,255,.12);color:#C3B2FF;border-color:rgba(139,108,255,.25)}
.tag.amber{background:rgba(255,180,84,.1);color:#FFD39A;border-color:rgba(255,180,84,.25)}
.tag.rose{background:rgba(255,107,139,.1);color:#FFA8BC;border-color:rgba(255,107,139,.25)}
.tag.gray{background:rgba(147,167,204,.09);color:var(--muted);border-color:var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:7px}
.badge-status{padding:3px 10px;border-radius:6px;font-size:12px;font-weight:600}
.st-ok{background:rgba(34,211,197,.13);color:#7DE9DC}
.st-wait{background:rgba(255,180,84,.13);color:#FFD39A}
.st-off{background:rgba(147,167,204,.1);color:var(--muted)}

/* ---------- 列表项 ---------- */
.list-item{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r);
  background:rgba(14,26,52,.6);transition:.2s;
}
.list-item:hover{border-color:var(--line2);background:rgba(18,33,66,.8)}
.list-item + .list-item{margin-top:12px}
.li-date{
  flex-shrink:0;width:62px;text-align:center;padding:8px 4px;border-radius:10px;
  background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.2);
}
.li-date b{display:block;font-size:21px;line-height:1.1;color:#9EC3FF}
.li-date span{font-size:11px;color:var(--dim)}
.li-body{flex:1;min-width:0}
.li-body h4{font-size:15.5px;margin-bottom:5px}
.li-body p{font-size:13px;color:var(--muted);margin-top:5px}
.li-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--dim);margin-top:9px}
.li-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;align-self:center}

/* ---------- 标签页 / 筛选 ---------- */
.tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:0;margin-bottom:24px}
.tab-btn{
  padding:10px 16px;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:.2s;
}
.tab-btn:hover{color:var(--text)}
.tab-btn.active{color:#fff;border-bottom-color:var(--primary);font-weight:600}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:22px}
.chip{
  padding:7px 14px;border-radius:100px;font-size:13px;color:var(--muted);
  border:1px solid var(--line);background:rgba(255,255,255,.02);transition:.18s;
}
.chip:hover{color:#fff;border-color:var(--line2)}
.chip.active{background:rgba(59,130,246,.17);border-color:rgba(59,130,246,.5);color:#BBD5FF}
.search-box{
  display:flex;align-items:center;gap:9px;padding:9px 14px;border-radius:11px;
  border:1px solid var(--line);background:rgba(255,255,255,.025);min-width:210px;
}
.search-box input{border:0;background:none;outline:none;color:var(--text);width:100%;font-size:14px}
.search-box input::placeholder{color:var(--dim)}
.search-box svg{color:var(--dim);flex-shrink:0}

/* ---------- 表单 ---------- */
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:600}
.form-group label em{color:var(--rose);font-style:normal;margin-left:3px}
.input,.select,.textarea{
  width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);color:var(--text);outline:none;transition:.2s;
  -webkit-appearance:none;-moz-appearance:none;appearance:none;
}
.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.12)}
.textarea{min-height:96px;resize:vertical}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2393A7CC' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:34px}
.select option{background:#0E1A34;color:var(--text)}
.form-note{font-size:12px;color:var(--dim);margin-top:6px}
.check-line{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--muted);cursor:pointer}
.check-line input{accent-color:var(--primary);margin-top:4px}
.form-error{color:#FF9DB1;font-size:12px;margin-top:5px;min-height:16px}
.field-inline{display:flex;gap:10px}
.field-inline .input{flex:1}

/* ---------- 弹层 / 提示 ---------- */
.modal-backdrop{
  position:fixed;inset:0;z-index:100;background:rgba(2,6,16,.78);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .18s ease;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{
  width:min(100%,560px);max-height:min(86vh,860px);overflow:auto;border-radius:var(--r-lg);
  background:linear-gradient(160deg,#132345,#0A142B);border:1px solid var(--line2);box-shadow:var(--shadow);
  animation:slideUp .22s ease;
}
.modal.wide{width:min(100%,760px)}
@keyframes slideUp{from{transform:translateY(16px);opacity:.6}to{transform:translateY(0);opacity:1}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#101D3B;z-index:2}
.modal-head h3{font-size:18px}
.modal-body{padding:24px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--line);position:sticky;bottom:0;background:#0E1A34}
.close-x{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--muted);font-size:20px;line-height:1}
.close-x:hover{background:rgba(255,255,255,.08);color:#fff}
.toast-stack{position:fixed;right:20px;top:82px;z-index:200;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toast{
  min-width:220px;max-width:360px;padding:12px 16px;border-radius:11px;font-size:14px;
  background:#14264C;border:1px solid var(--line2);box-shadow:var(--shadow);animation:slideIn .2s ease;
  border-left:3px solid var(--cyan);
}
@keyframes slideIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}
.toast.error{border-left-color:var(--rose)}
.toast.warn{border-left-color:var(--amber)}

/* ---------- 进度 / 数据 ---------- */
.progress{height:7px;border-radius:100px;background:rgba(147,167,204,.12);overflow:hidden}
.progress i{display:block;height:100%;border-radius:100px;background:var(--grad);transition:width .5s}
.bar-row{display:flex;align-items:center;gap:12px;margin:11px 0;font-size:13px}
.bar-row .bar-label{width:110px;flex-shrink:0;color:var(--muted)}
.bar-row .progress{flex:1}
.bar-row b{width:48px;text-align:right;font-size:12px;color:#9EC3FF}
.kpi{padding:20px;border-radius:var(--r);background:rgba(14,26,52,.7);border:1px solid var(--line)}
.kpi b{display:block;font-size:27px;letter-spacing:-.6px;margin:4px 0}
.kpi span{font-size:12px;color:var(--muted)}
.spark{display:flex;align-items:flex-end;gap:5px;height:56px;margin-top:12px}
.spark i{flex:1;border-radius:3px 3px 0 0;background:linear-gradient(180deg,rgba(59,130,246,.9),rgba(59,130,246,.15))}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:560px}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
th{background:rgba(59,130,246,.07);color:var(--muted);font-weight:600;font-size:12.5px;white-space:nowrap}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(59,130,246,.045)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,var(--primary),var(--cyan),transparent)}
.tl-item{position:relative;padding-bottom:24px}
.tl-item::before{content:"";position:absolute;left:-23px;top:7px;width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(59,130,246,.16)}
.tl-item h4{font-size:15px}
.tl-item p{font-size:13px;color:var(--muted);margin-top:5px}

/* ---------- AI 助手 ---------- */
.chat-shell{display:grid;grid-template-columns:250px 1fr;gap:18px;align-items:start}
.chat-side{padding:20px;border-radius:var(--r);background:rgba(14,26,52,.6);border:1px solid var(--line)}
.chat-side h4{font-size:14px;margin-bottom:12px}
.qbtn{
  display:block;width:100%;text-align:left;padding:9px 11px;border-radius:9px;font-size:13px;color:var(--muted);
  border:1px solid transparent;transition:.18s;margin-bottom:5px;
}
.qbtn:hover{background:rgba(59,130,246,.1);color:#fff;border-color:var(--line)}
.chat-box{
  border:1px solid var(--line);border-radius:var(--r);background:rgba(9,17,36,.72);display:flex;flex-direction:column;height:520px;overflow:hidden;
}
.chat-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;background:rgba(18,33,66,.5)}
.chat-head .avatar{width:32px;height:32px;border-radius:9px;background:var(--grad);color:#04101F;display:grid;place-items:center;font-weight:900}
.chat-body{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}
.msg{max-width:86%;padding:12px 15px;border-radius:14px;font-size:14px;white-space:pre-wrap;line-height:1.75}
.msg-bot{align-self:flex-start;background:rgba(24,42,80,.9);border:1px solid var(--line);border-top-left-radius:4px}
.msg-user{align-self:flex-end;background:var(--grad2);color:#fff;border-top-right-radius:4px}
.msg-meta{font-size:11px;color:var(--dim);margin-top:6px}
.msg-bot .msg-meta{color:#7E95BE}
.chat-input{display:flex;gap:10px;padding:14px;border-top:1px solid var(--line);background:rgba(14,26,52,.5)}
.chat-input input{flex:1}
.typing i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#8FB7FF;margin-right:4px;animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3}30%{opacity:1}}

/* ---------- 会员证 ---------- */
.member-card{
  border-radius:20px;padding:26px;position:relative;overflow:hidden;min-height:210px;
  background:linear-gradient(125deg,#17357A 0%,#0E2350 45%,#0B1C3C 100%);
  border:1px solid rgba(120,170,255,.35);box-shadow:0 20px 48px rgba(0,0,0,.35);
}
.member-card::before{content:"";position:absolute;width:320px;height:320px;right:-110px;top:-170px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,197,.3),transparent 70%)}
.member-card::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}
.mc-in{position:relative;z-index:2}
.qr-grid{display:grid;grid-template-columns:repeat(11,1fr);gap:2px;width:88px;height:88px;padding:6px;background:#fff;border-radius:8px}
.qr-grid i{background:#fff;border-radius:1px}
.qr-grid i.on{background:#0A142B}

/* ---------- 报告 / 下载 ---------- */
.report-box{padding:24px;border-radius:var(--r);border:1px solid var(--line);background:rgba(14,26,52,.6)}
.score-ring{
  width:132px;height:132px;border-radius:50%;display:grid;place-items:center;margin:0 auto 16px;
  background:conic-gradient(var(--cyan) 0deg,var(--primary) 220deg,rgba(147,167,204,.14) 220deg);
  position:relative;
}
.score-ring::before{content:"";position:absolute;inset:11px;border-radius:50%;background:#0D1A34}
.score-ring span{position:relative;font-size:34px;font-weight:800;letter-spacing:-1px}
.score-ring small{position:relative;display:block;text-align:center;font-size:11px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(6,11,24,.7);padding:56px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.footer-grid h5{font-size:14px;margin-bottom:16px;color:var(--text)}
.footer-grid li{margin-bottom:9px}
.footer-grid a{font-size:13px;color:var(--muted)}
.footer-grid a:hover{color:#9EC3FF}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--dim)}

/* ---------- 移动端底部导航 ---------- */
.mobile-tabbar{display:none}
.mobile-nav{display:none}

/* ---------- 动效 ---------- */
/* 渐进增强：内容始终完全可见，动画只做轻微位移，绝不因观察器时序留下空白。
   （旧版用 opacity:0 做入场，动态渲染节点未被观察时会出现大片空白区。） */
.reveal{opacity:1;transform:none}
.reveal.armed{opacity:1;transform:translateY(12px);transition:transform .55s ease}
.reveal.armed.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal,.reveal.armed{opacity:1;transform:none}*{animation-duration:.01ms!important}}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav a{padding:8px 8px;font-size:13px}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g5{grid-template-columns:repeat(3,minmax(0,1fr))}
  .chat-shell{grid-template-columns:1fr}
  .chat-side{display:none}
}
@media (max-width:900px){
  .nav,.header-actions .btn{display:none}
  .menu-toggle{display:grid}
  .header-in{height:60px}
  .hero{padding:58px 0 52px}
  .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:36px}
  .g3,.g2{grid-template-columns:1fr}
  .g5{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:52px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .mobile-nav{
    display:block;position:fixed;inset:60px 0 0;z-index:55;background:rgba(6,11,24,.97);
    backdrop-filter:blur(14px);padding:22px;overflow-y:auto;transform:translateX(100%);transition:transform .26s ease;
  }
  .mobile-nav.open{transform:translateX(0)}
  .mobile-nav a{display:block;padding:13px 14px;border-bottom:1px solid var(--line);font-size:15px;color:var(--muted)}
  .mobile-nav a.active{color:#9EC3FF}
  .mobile-nav .btn{width:100%;margin-top:18px}
  .mobile-tabbar{
    display:flex;position:fixed;bottom:0;left:0;right:0;z-index:58;height:60px;
    background:rgba(8,15,32,.96);backdrop-filter:blur(16px);border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--dim)}
  .mobile-tabbar a.active{color:#7FB0FF}
  .mobile-tabbar b{font-size:17px;font-weight:700;line-height:1}
  body{padding-bottom:60px}
  .chat-box{height:440px}
}
@media (max-width:640px){
  .wrap{width:min(100% - 28px,var(--max))}
  .hero h1{font-size:33px;letter-spacing:-1px}
  .hero-stats{gap:10px}
  .stat{padding:14px 12px}
  .stat-num{font-size:23px}
  .stat-note{display:none}
  .g4,.g5{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card{padding:18px}
  .form-row{grid-template-columns:1fr}
  .list-item{flex-direction:column;gap:12px}
  .li-actions{width:100%;align-self:stretch}
  .li-actions .btn{flex:1}
  .li-date{width:auto;display:flex;align-items:baseline;gap:6px;padding:5px 10px}
  .li-date b{font-size:16px}
  .section-head.right-head{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr}
  .modal-body{padding:18px}
  .toast-stack{right:12px;left:12px;top:72px}
  .toast{max-width:none}
  .btn-lg{width:100%}
  .hero-visual{min-height:auto}
}
/* ---------- 活动日历 ---------- */
.cal-month{padding:18px;border-radius:var(--r);border:1px solid var(--line);background:rgba(14,26,52,.6)}
.cal-month h4{font-size:14px;margin-bottom:12px}
.cal-head,.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;text-align:center}
.cal-head span{font-size:11px;color:var(--dim);padding:4px 0}
.cal-day{aspect-ratio:1;border-radius:8px;font-size:12px;color:var(--muted);border:1px solid transparent;transition:.18s}
.cal-day:hover:not(:disabled){background:rgba(59,130,246,.12)}
.cal-day.has{background:rgba(59,130,246,.15);color:#BBD5FF;font-weight:700;border-color:rgba(59,130,246,.32)}
.cal-day.active{background:var(--grad);color:#04101F;border-color:transparent}
.cal-day:disabled{cursor:default;color:var(--dim);opacity:.6}
/* ---------- 更多菜单 / 搜索结果 / 返回顶部 ---------- */
.nav-more{position:relative;flex-shrink:0}
.nav-more-btn{padding:8px 10px;border-radius:9px;font-size:14px;color:var(--muted);white-space:nowrap}
.nav-more-btn:hover,.nav-more:hover .nav-more-btn{color:var(--text);background:rgba(59,130,246,.1)}
.nav-more-menu{
  position:absolute;right:0;top:38px;min-width:186px;padding:7px;border-radius:12px;
  background:#111F3E;border:1px solid var(--line2);box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s;
}
.nav-more:hover .nav-more-menu,.nav-more:focus-within .nav-more-menu,.nav-more.open .nav-more-menu{opacity:1;visibility:visible;transform:none}
.nav-more-btn{cursor:pointer}
.nav-more-menu a{display:block;padding:9px 12px;border-radius:8px;font-size:13px;color:var(--muted)}
.nav-more-menu a:hover{background:rgba(59,130,246,.13);color:#fff}
.nav-more-menu a.active{color:#9EC3FF}
.back-top{
  position:fixed;right:20px;bottom:78px;z-index:50;width:40px;height:40px;border-radius:12px;
  background:#14264C;border:1px solid var(--line2);color:#9EC3FF;font-size:19px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;box-shadow:var(--shadow);
}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:#1C3568}
.gs-result{max-height:360px;overflow-y:auto}
.gs-item{
  display:flex;align-items:center;gap:12px;padding:11px 10px;border-radius:10px;border:1px solid transparent;transition:.18s;
}
.gs-item:hover{background:rgba(59,130,246,.09);border-color:var(--line)}
.gs-item>span:nth-child(2){flex:1;min-width:0}
.gs-item b{display:block;font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gs-item small{display:block;font-size:12px;color:var(--dim);margin-top:2px}
.gs-item i{color:var(--dim);font-style:normal}
.empty{padding:36px 18px;text-align:center;color:var(--dim);font-size:13.5px;border:1px dashed var(--line);border-radius:var(--r)}
.qbtn.active{background:rgba(59,130,246,.14);color:#fff;border-color:var(--line2)}
.score-line{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px}
.score-line:last-child{border:0}
.score-line b{margin-left:auto;color:#9EC3FF}
.match-reason{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.match-reason span{font-size:11px;padding:3px 8px;border-radius:6px;background:rgba(34,211,197,.09);color:#7DE9DC}
.hl{background:rgba(59,130,246,.22);color:#fff;padding:0 3px;border-radius:3px}
.note-box{padding:14px 16px;border-radius:11px;background:rgba(255,180,84,.07);border:1px solid rgba(255,180,84,.22);font-size:13px;color:#E8CB9E;line-height:1.85}
.kv{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13px}
.kv:last-child{border:0}
.kv span{color:var(--muted)}
.kv b{font-weight:600}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.step{padding:18px;border-radius:var(--r);border:1px solid var(--line);background:rgba(14,26,52,.6);position:relative}
.step b{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:rgba(59,130,246,.16);color:#9EC3FF;margin-bottom:12px;font-size:14px}
.step h4{font-size:14px}
.step p{font-size:12.5px;color:var(--muted);margin-top:6px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.steps{grid-template-columns:1fr}.back-top{bottom:72px}}
@media print{
  body{background:#fff;color:#111}
  .site-header,.site-footer,.mobile-tabbar,.hero-actions,.toast-stack{display:none!important}
}

/* ============================================================
   对比度修复：深蓝渐变面板 + 解决方案提示（两套主题共用语义类）
   ============================================================ */
.panel-dark{color:#EAF1FF}
.panel-dark h2,.panel-dark h3,.panel-dark p,.panel-dark .section-desc,
.panel-dark .muted,.panel-dark small,.panel-dark li{color:#EAF1FF}
.panel-dark .eyebrow{color:#6FE7D2}
.panel-dark .muted,.panel-dark .section-desc,.panel-dark .dim,
.panel-dark small{color:#B7C9EA}
.panel-dark .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.36);color:#EAF1FF}
.panel-dark .btn-ghost:hover{background:rgba(255,255,255,.20);color:#FFFFFF}
/* 面板右侧的白色要点卡片保持深色文字，两种主题一致 */
.panel-dark .list-item{background:#FFFFFF;border-color:rgba(255,255,255,.55);color:#102A4C}
.panel-dark .list-item h4,.panel-dark .list-item p{color:#102A4C}
.panel-dark .card-icon{background:rgba(22,103,255,.10);border-color:rgba(22,103,255,.20);color:#0E4FCC}
.panel-dark .card-icon.cyan{background:rgba(14,159,155,.12);border-color:rgba(14,159,155,.22);color:#0A807C}

.sol-box{padding:11px 13px;border-radius:10px;font-size:13px;line-height:1.65;
  background:rgba(34,211,197,.10);border:1px solid rgba(34,211,197,.24);color:#BFF3EA}
.sol-text{color:#8BE8DA}

/* 合规自测题卡：深色主题深底浅字，白天主题在 theme-light.css 覆盖为浅底深字 */
.quiz-q{padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:rgba(14,26,52,.45)}