:root{--bg:#f5f7fb;--paper:#fff;--ink:#111827;--muted:#64748b;--line:#e2e8f0;--brand:#1d4ed8;--brand2:#0f766e;--gold:#d97706;--dark:#0f172a;--shadow:0 10px 30px rgba(15,23,42,.08)}
:root[data-theme='dark']{--bg:#0b1120;--paper:#111827;--ink:#f8fafc;--muted:#94a3b8;--line:#263244;--brand:#60a5fa;--brand2:#2dd4bf;--dark:#020617}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}a{text-decoration:none;color:inherit}.container{max-width:1200px;margin:auto;padding:0 22px}
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{height:64px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px}.logo{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#1d4ed8,#0f766e)}.navlinks{display:flex;gap:6px;color:#334155;font-weight:800}.navlinks a{padding:9px 12px;border-radius:8px}.navlinks a:hover{background:#f1f5f9}.nav-actions{display:flex;gap:10px;align-items:center}
.btn{min-height:38px;border:0;border-radius:8px;background:#1d4ed8;color:#fff;padding:9px 14px;font-weight:850;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{background:#1e40af}.btn.ghost{background:#fff;color:#0f172a;border:1px solid #cbd5e1}.btn.ghost:hover{background:#f8fafc}.btn.green{background:#0f766e}.btn.danger{color:#b91c1c;border-color:#fecaca}.btn.slim{padding:8px 12px}.badge,.eyebrow{display:inline-flex;width:max-content;border:1px solid #dbe3ee;background:#f8fafc;color:#475569;border-radius:999px;padding:5px 10px;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.hero{padding:56px 0 40px;background:linear-gradient(180deg,#fff 0%,#f8fafc 100%);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) 430px;gap:34px;align-items:center}.hero h1{font-size:48px;line-height:1.08;margin:16px 0 14px;letter-spacing:0}.hero p{font-size:17px;line-height:1.75;color:#475569;max-width:680px}.hero-actions,.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.proof{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.proof span{background:#fff;border:1px solid #dbe3ee;color:#475569;border-radius:8px;padding:7px 10px;font-size:12px;font-weight:800}
.hero-board{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:var(--shadow)}.board-card{background:#fff;border:1px solid var(--line);border-radius:10px;margin:0 0 10px;padding:15px}.board-card:last-child{margin-bottom:0}.board-card small{font-size:11px;color:#64748b;font-weight:900}.board-card b{display:block;margin-top:4px}.progress{height:8px;background:#e2e8f0;border-radius:99px;overflow:hidden}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2))}
.section{padding:38px 0}.section-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.section h1{font-size:38px;margin:6px 0 8px}.section h2{font-size:28px;line-height:1.16;margin:0}.sub,.muted{color:var(--muted);line-height:1.7}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card,.panel{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:none;transition:.18s;position:relative;overflow:hidden}.card:hover{box-shadow:0 12px 28px rgba(15,23,42,.08);border-color:#bfdbfe}.card h3{font-size:18px;line-height:1.35;margin:10px 0 8px}.cover{height:96px;border-radius:10px;background:linear-gradient(135deg,#eff6ff,#ecfdf5);display:flex;align-items:flex-end;justify-content:space-between;padding:14px;color:#1e40af;margin:0 0 14px}.cover b{font-size:28px;color:#94a3b8}.cover span{font-size:12px;font-weight:900;letter-spacing:.08em}.card-meta{min-height:30px}.pill{display:inline-flex;border-radius:999px;background:#eff6ff;color:#1d4ed8;padding:5px 9px;font-size:12px;font-weight:900;margin:0 5px 5px 0}.pill.green{background:#ecfdf5;color:#047857}.pill.gold{background:#fffbeb;color:#b45309}.price{font-size:22px;color:#0f172a;font-weight:900}.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}
.cta-strip{background:#0f172a;color:white;border-radius:12px;padding:24px;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}.cta-strip p{color:#cbd5e1}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.footer{background:#fff;border-top:1px solid var(--line);padding:24px 0;color:var(--muted)}.float{position:fixed;right:18px;bottom:18px;z-index:60}.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;z-index:70;padding:20px}.modal.show{display:flex}.modal .box{width:min(480px,100%);background:#fff;border-radius:12px;padding:24px;box-shadow:0 30px 90px rgba(0,0,0,.25)}
.detail{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px}.content{line-height:1.9;color:#334155}.sidebar-sticky{position:sticky;top:88px}.user-chip{display:flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:900}.user-chip b{font-size:11px;color:#9a6300;background:#fff4d6;padding:3px 7px;border-radius:999px}.avatar{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:50%;background:#1d4ed8;color:#fff;font-weight:900}
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f5f7fb}.login .panel,.admin-login{width:430px}.login-page{min-height:100vh;display:grid;grid-template-columns:1fr 420px;gap:34px;align-items:center;max-width:1180px;margin:auto;padding:62px 22px;background:#f5f7fb}.login-hero h1{font-size:42px;line-height:1.08;margin:14px 0}.login-hero p{font-size:17px;color:var(--muted)}.auth-card{padding:24px}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:#f1f5f9;border-radius:10px;padding:4px;margin-bottom:16px}.auth-tabs button{border:0;background:transparent;border-radius:8px;padding:10px;font-weight:900;cursor:pointer;color:#64748b}.auth-tabs button.active{background:#fff;color:#0f172a;box-shadow:0 4px 14px rgba(15,23,42,.08)}.user-hero{display:flex;justify-content:space-between;gap:18px;align-items:center}.vip-card{min-width:210px;border-radius:12px;padding:20px;background:#0f172a;color:#fff}.vip-card b{font-size:26px}.vip-card p{color:#cbd5e1}
.admin-layout{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh;background:#f5f7fb}.side{background:#0f172a;color:#fff;padding:18px;position:sticky;top:0;height:100vh;border-right:1px solid #1e293b}.side-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}.side h2{font-size:18px;margin:0}.side .muted{font-size:12px;color:#94a3b8;margin:2px 0 0}.menu{margin-top:12px}.menu button{width:100%;text-align:left;border:0;border-radius:8px;margin:3px 0;padding:10px 12px;background:transparent;color:#cbd5e1;font-size:14px;font-weight:750;cursor:pointer}.menu button.active,.menu button:hover{background:#1e293b;color:#fff}.main{padding:24px;max-width:none}.admin-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.admin-head h1{font-size:28px;margin:4px 0 0}.stat{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.stat .card b{font-size:26px}.input,textarea,select{width:100%;background:#fff;border:1px solid #cbd5e1;border-radius:8px;color:var(--ink);padding:10px 11px;margin:6px 0 12px;font:inherit}label{display:block;font-size:13px;font-weight:800;color:#334155;margin-top:8px}textarea{min-height:160px}.table{width:100%;border:1px solid var(--line);border-radius:12px;border-collapse:separate;border-spacing:0;background:#fff;overflow:hidden}.table th,.table td{border-bottom:1px solid var(--line);padding:11px 12px;text-align:left;color:#334155;vertical-align:middle}.table th{background:#f8fafc;color:#334155;font-size:12px;text-transform:uppercase;letter-spacing:.04em;font-weight:900}.table tr:hover td{background:#f8fafc}.notice{padding:13px 14px;border-radius:10px;background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;margin:12px 0;font-weight:800}.empty{border:1px dashed #cbd5e1;border-radius:12px;padding:26px;text-align:center;color:var(--muted);background:#fff}
@media(max-width:900px){.hero-grid,.detail,.admin-layout,.login-page,.cta-strip{grid-template-columns:1fr}.hero{padding:42px 0 32px}.hero h1{font-size:36px}.hero-board{margin-top:4px}.grid,.stat,.steps{grid-template-columns:1fr}.section-head{display:block}.side{height:auto;position:relative}.main{padding:16px}.card-foot{align-items:flex-start;flex-direction:column}.navlinks{display:none}.container{padding:0 16px}.login-hero h1{font-size:34px}}

/* V32.3 brand and interaction polish */
.brand{gap:12px;font-size:22px;color:#0f172a}
.brand span{font-weight:950;letter-spacing:-.02em}
.logo{position:relative;display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,#133ea8 0%,#1d4ed8 46%,#0f766e 100%);box-shadow:0 10px 24px rgba(29,78,216,.22),inset 0 1px 0 rgba(255,255,255,.22);overflow:hidden;flex:0 0 40px}
.logo:before{content:"";position:absolute;inset:5px 5px auto auto;width:17px;height:17px;border-radius:50%;background:rgba(255,255,255,.18);filter:blur(.2px)}
.logo:after{content:"AI";position:relative;z-index:1;color:#fff;font-size:13px;font-weight:950;letter-spacing:-.06em;text-shadow:0 1px 8px rgba(0,0,0,.18)}
.side .logo{width:38px;height:38px;flex-basis:38px;border-radius:11px}
.side .logo:after{font-size:12px}
.side-brand{padding:8px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(148,163,184,.16)}
.top{box-shadow:0 1px 0 rgba(15,23,42,.04),0 10px 30px rgba(15,23,42,.04)}
.hero h1{max-width:760px;background:linear-gradient(90deg,#0f172a,#1d4ed8 72%,#0f766e);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-board{position:relative}
.hero-board:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#1d4ed8,#0f766e);border-radius:12px 0 0 12px}
.board-card{position:relative}
.board-card small{letter-spacing:.08em}
.card{min-height:260px;display:flex;flex-direction:column}
.card .muted{flex:1}
.card-foot{margin-top:auto}
.cover{position:relative;overflow:hidden}
.cover:after{content:"";position:absolute;right:-18px;top:-18px;width:70px;height:70px;border-radius:50%;background:rgba(29,78,216,.08)}
.cover span,.cover b{position:relative;z-index:1}
.table tr:last-child td{border-bottom:0}
.menu button{position:relative}
.menu button.active:before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:4px;background:#38bdf8}
.admin-head{padding-bottom:14px;border-bottom:1px solid var(--line)}
.stat .card{min-height:112px}
.input:focus,textarea:focus,select:focus{outline:2px solid rgba(29,78,216,.16);border-color:#60a5fa}
@media(max-width:900px){.logo{width:36px;height:36px;flex-basis:36px}.brand{font-size:20px}.hero h1{color:#0f172a;background:none}}

/* V32.5 AI chat and resource filters */
.filterbar{display:grid;grid-template-columns:minmax(0,1.5fr) 180px 220px;gap:12px;margin:0 0 18px}
.filterbar .input{margin:0}
.chat-float{position:fixed;right:18px;bottom:72px;z-index:60;border:0;border-radius:999px;background:#0f172a;color:#fff;padding:11px 15px;font-weight:900;box-shadow:0 12px 28px rgba(15,23,42,.22);cursor:pointer}
.chat-panel{position:fixed;right:18px;bottom:124px;z-index:80;width:min(380px,calc(100vw - 32px));height:560px;max-height:calc(100vh - 150px);display:none;grid-template-rows:auto auto 1fr auto auto;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 70px rgba(15,23,42,.22);overflow:hidden}
.chat-panel.show{display:grid}
.chat-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding:14px 16px;background:#0f172a;color:#fff}
.chat-head b{font-size:16px}
.chat-head p{margin:4px 0 0;color:#cbd5e1;font-size:12px;line-height:1.5}
.chat-head button{border:0;background:rgba(255,255,255,.12);color:#fff;border-radius:8px;width:30px;height:30px;cursor:pointer;font-size:18px}
.quota-line{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 12px;background:#f8fafc;border-bottom:1px solid var(--line);color:#475569;font-size:12px;font-weight:850}
.quota-line a,.mini-pay{border:0;border-radius:999px;background:#0f766e;color:#fff;padding:6px 10px;font-size:12px;font-weight:900;cursor:pointer;display:inline-flex}
.chat-body{padding:14px;overflow:auto;background:#f8fafc}
.chat-msg{max-width:86%;margin:0 0 10px;padding:10px 12px;border-radius:12px;font-size:14px;line-height:1.6;white-space:normal}
.chat-msg.bot{background:#fff;border:1px solid #e2e8f0;color:#334155}
.chat-msg.user{background:#1d4ed8;color:#fff;margin-left:auto}
.chat-msg.typing{color:#64748b}
.quick-qs{display:flex;gap:7px;flex-wrap:wrap;padding:10px 12px;border-top:1px solid var(--line);background:#fff}
.quick-qs button{border:1px solid #cbd5e1;background:#fff;border-radius:999px;padding:6px 9px;font-size:12px;color:#334155;cursor:pointer}
.quick-qs button:hover{background:#f1f5f9}
.chat-input{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px;border-top:1px solid var(--line);background:#fff}
.chat-input input{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:10px 11px;font:inherit}
.chat-input button{border:0;border-radius:8px;background:#1d4ed8;color:#fff;padding:0 14px;font-weight:900;cursor:pointer}
@media(max-width:900px){.filterbar{grid-template-columns:1fr}.chat-panel{right:12px;bottom:90px}.chat-float{right:12px;bottom:62px}}

/* V32.7 AI member page */
.ai-vip-hero{padding:62px 0 44px;background:radial-gradient(circle at 18% 20%,#e0f2fe 0,#f8fafc 34%,#fff 72%);border-bottom:1px solid var(--line)}
.ai-vip-hero .container{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:center}
.ai-vip-copy h1{font-size:44px;line-height:1.12;margin:16px 0 14px;max-width:760px;color:#0f172a}
.ai-vip-copy p{font-size:17px;line-height:1.8;color:#475569;max-width:760px}
.ai-price-card{background:#0f172a;color:#fff;border-radius:14px;padding:24px;box-shadow:0 24px 60px rgba(15,23,42,.18)}
.ai-price-card small{display:block;color:#93c5fd;font-weight:900;margin-bottom:8px}
.ai-price-card b{font-size:48px;line-height:1}
.ai-price-card span{color:#cbd5e1}
.ai-price-card p{color:#cbd5e1;line-height:1.7}
.ai-price-card .btn{width:100%;background:#0f766e}
@media(max-width:900px){.ai-vip-hero .container{grid-template-columns:1fr}.ai-vip-copy h1{font-size:34px}}

/* V32.8 conversion blocks */
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:-22px;position:relative;z-index:3}
.metric-row div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:0 14px 34px rgba(15,23,42,.08)}
.metric-row b{display:block;font-size:28px;line-height:1;color:#0f172a}
.metric-row span{display:block;margin-top:8px;color:#64748b;font-weight:850;font-size:13px}
.offer-band{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 18px 46px rgba(15,23,42,.08)}
.offer-band h2{margin:10px 0 10px}
.offer-band p{color:#475569;line-height:1.8}
.offer-points{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.offer-points span{background:#ecfdf5;color:#047857;border:1px solid #bbf7d0;border-radius:999px;padding:6px 10px;font-weight:900;font-size:12px}
.offer-band aside{background:#0f172a;color:#fff;border-radius:12px;padding:20px;text-align:center}
.offer-band aside small{display:block;color:#93c5fd;font-weight:900}
.offer-band aside b{display:block;font-size:42px;line-height:1;margin:10px 0 14px}
.offer-band aside .btn{width:100%;background:#0f766e}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.trust-grid div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.trust-grid b{font-size:18px;color:#0f172a}
.trust-grid p{color:#64748b;line-height:1.8;margin-bottom:0}
.resource-bar{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:12px;align-items:center;background:#0f172a;color:#fff;border-radius:12px;padding:16px;margin:16px 0}
.resource-bar b{display:block;font-size:17px}
.resource-bar span{display:block;color:#cbd5e1;margin-top:4px}
.faq{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.faq h2{margin:0 0 12px}
.faq details{border-top:1px solid var(--line);padding:13px 0}
.faq details:first-of-type{border-top:0}
.faq summary{cursor:pointer;font-weight:900;color:#0f172a}
.faq p{color:#64748b;line-height:1.8;margin:10px 0 0}
@media(max-width:900px){.metric-row,.offer-band,.trust-grid,.resource-bar{grid-template-columns:1fr}.metric-row{margin-top:14px}.resource-bar .btn{width:100%}}

/* V32.9 retention and close-the-loop */
.lead-bar{position:fixed;left:18px;right:18px;bottom:18px;z-index:75;display:none;grid-template-columns:minmax(0,1fr) auto 34px;gap:12px;align-items:center;background:#0f172a;color:#fff;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:13px 14px;box-shadow:0 22px 60px rgba(15,23,42,.28)}
.lead-bar.show{display:grid}
.lead-bar.hide{display:none!important}
.lead-bar b{display:block;font-size:15px}
.lead-bar span{display:block;color:#cbd5e1;font-size:12px;margin-top:2px}
.lead-bar .btn{background:#0f766e}
.lead-bar>button{border:0;background:rgba(255,255,255,.12);color:#fff;border-radius:8px;width:34px;height:34px;font-size:18px;cursor:pointer}
.next-box{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 18px 46px rgba(15,23,42,.08)}
.next-box h2{margin:10px 0}
.next-box p{color:#64748b;line-height:1.8}
.next-box aside{display:grid;gap:10px}
.next-box aside a,.next-box aside span{display:block;border:1px solid var(--line);border-radius:10px;padding:12px;background:#f8fafc;color:#334155;font-weight:850}
@media(max-width:900px){.lead-bar{left:10px;right:10px;bottom:10px;grid-template-columns:1fr}.lead-bar .btn{width:100%}.lead-bar>button{position:absolute;right:8px;top:8px}.next-box{grid-template-columns:1fr}}
/* V47.3 polish */
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.ops-card{background:#fff;border:1px solid #eef0f4;border-radius:18px;padding:18px;box-shadow:0 10px 30px rgba(15,23,42,.06);margin:14px 0}.ops-card h3{margin:0 0 10px}.pill-ok{color:#047857;background:#ecfdf5;border-radius:999px;padding:4px 10px}.pill-bad{color:#b91c1c;background:#fef2f2;border-radius:999px;padding:4px 10px}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.toolbar input{padding:10px 12px;border:1px solid #ddd;border-radius:12px}.toolbar button,.btn{padding:10px 14px;border:0;border-radius:12px;background:#111827;color:#fff;cursor:pointer;text-decoration:none;display:inline-block}.muted{color:#6b7280}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid #eee;padding:10px;text-align:left;font-size:14px}pre{white-space:pre-wrap;background:#f8fafc;padding:12px;border-radius:12px}