@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@600;700&family=Inter:wght@400;500;600;700&display=swap');
:root{--ink:#17211d;--muted:#69766f;--paper:#f6f3eb;--card:#fffdf8;--jade:#174f42;--jade2:#26715e;--gold:#c7a76b;--red:#a94a3f;--line:#dfdcd2;--shadow:0 20px 60px rgba(24,51,42,.11)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}button,input,textarea,select{font:inherit}button,a{transition:.2s ease}a{color:var(--jade);text-decoration:none}button{cursor:pointer}.eyebrow{font-size:10px!important;letter-spacing:.22em!important;color:var(--jade2)!important;font-weight:700;text-transform:uppercase}.primary{border:0;background:var(--jade);color:#fff;padding:14px 20px;border-radius:12px;font-weight:600;box-shadow:0 10px 25px rgba(23,79,66,.18)}.primary:hover{background:var(--jade2);transform:translateY(-1px)}label{display:grid;gap:7px;color:#4f5c56;font-size:12px;font-weight:600}input,select,textarea{width:100%;border:1px solid #d9d8d0;background:#fbfaf6;color:var(--ink);border-radius:11px;padding:13px 14px;outline:none}input:focus,select:focus,textarea:focus{border-color:#4b907d;box-shadow:0 0 0 3px rgba(75,144,125,.11)}.alert{padding:13px 15px;border-radius:10px;margin:16px 0;font-size:13px}.alert.error{background:#fff0ed;color:#983b32}.alert.success{background:#e8f4ee;color:#23634f}.wordmark{display:flex;align-items:center;gap:11px;color:inherit;font-family:"Noto Serif SC",serif;font-size:19px}.wordmark i{font-style:normal;width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--gold);color:#d8bc82;border-radius:7px}

/* Auth */
.auth-page{min-height:100vh;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at 12% 10%,#e7dcc4 0,transparent 34%),#ebe7dc}.auth-shell{width:min(1040px,100%);min-height:680px;background:var(--card);display:grid;grid-template-columns:1.08fr .92fr;border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.brand-panel{padding:78px 70px;background:linear-gradient(145deg,#12382f,#235647);color:#f6f0df;position:relative;overflow:hidden}.brand-panel:after{content:"";position:absolute;width:420px;height:420px;border:1px solid #ffffff18;border-radius:50%;right:-220px;top:-130px}.seal,.hero-mark{width:62px;height:62px;display:grid;place-items:center;border:1px solid var(--gold);color:#e0c68d;border-radius:8px;font:30px "Noto Serif SC",serif}.brand-panel .eyebrow{color:#cbb989!important;margin-top:70px}.brand-panel h1{font:700 57px "Noto Serif SC",serif;letter-spacing:.1em;margin:15px 0 22px}.brand-panel>p:not(.eyebrow){max-width:430px;color:#d2ddd7;font:17px/1.9 "Noto Serif SC",serif}.brand-points{display:flex;gap:10px;flex-wrap:wrap;margin-top:50px}.brand-points span{border:1px solid #ffffff22;border-radius:30px;padding:8px 12px;font-size:11px;color:#bacbc4}.auth-card{padding:65px 60px;align-self:center}.mobile-brand{display:none}.auth-card h2{font:700 34px "Noto Serif SC",serif;margin:8px 0}.auth-card>p:not(.eyebrow,.switch){color:var(--muted)}.auth-card form{display:grid;gap:17px;margin:30px 0}.switch{text-align:center;font-size:13px}.auth-card>small{display:block;text-align:center;color:#8a918e;line-height:1.6}

/* Chat */
.app-page{overflow:hidden}.app-shell{height:100vh;display:grid;grid-template-columns:280px 1fr}.sidebar{background:#173e34;color:#ecf2ef;padding:24px 18px 18px;display:flex;flex-direction:column;min-width:0}.new-chat{margin:29px 0 25px;padding:13px;border:1px solid #ffffff32;background:#ffffff0c;color:#fff;border-radius:10px;text-align:left}.new-chat:hover{background:#ffffff16}.side-label{font-size:10px;letter-spacing:.18em;color:#88a79c;margin:0 9px 9px}.conversation-list{overflow:auto;display:grid;gap:3px}.conversation-list button{border:0;background:transparent;color:#d5e0db;padding:11px 9px;border-radius:8px;text-align:left;display:flex;justify-content:space-between;gap:8px}.conversation-list button:hover{background:#ffffff0c}.conversation-list span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-list small{color:#75948a}.profile{margin-top:auto;border-top:1px solid #ffffff17;padding:16px 5px 2px;display:grid;grid-template-columns:38px 1fr;gap:10px;align-items:center}.avatar{width:38px;height:38px;border-radius:50%;background:#d0b277;color:#173e34;display:grid;place-items:center;font-weight:700}.profile b,.profile small{display:block}.profile b{font-size:13px}.profile small{font-size:10px;color:#8ca89f;margin-top:4px}.profile-links{grid-column:1/-1;display:flex;justify-content:space-around;border-top:1px solid #ffffff10;padding-top:10px}.profile-links a{color:#b9ccc5;font-size:11px}.chat{height:100vh;min-width:0;display:grid;grid-template-rows:68px 1fr auto}.chat-head{display:flex;align-items:center;padding:0 32px;background:#ffffffbf;border-bottom:1px solid #e5e1d7;backdrop-filter:blur(12px)}.chat-head>div{display:grid}.chat-head b{font:600 15px "Noto Serif SC",serif}.chat-head span{font-size:10px;color:#718079;margin-top:3px}.chat-head span i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#48a77e}.menu-btn{display:none;border:0;background:none;font-size:20px}.balance-chip{margin-left:auto;background:#edf4f0;color:var(--jade);font-size:11px;font-weight:600;padding:8px 12px;border-radius:20px}.messages{overflow:auto;padding:40px max(22px,calc((100vw - 980px)/2));scroll-behavior:smooth}.welcome{text-align:center;max-width:760px;margin:5vh auto 0}.hero-mark{margin:auto;background:#eee5d2;color:#846d46}.welcome h1{font:700 35px "Noto Serif SC",serif;margin:13px 0}.welcome>p:not(.eyebrow){color:var(--muted);line-height:1.8}.prompt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:34px 0 26px}.prompt-grid button{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:17px;text-align:left;line-height:1.55;color:#39463f;box-shadow:0 7px 22px #263d3308}.prompt-grid button:hover{border-color:#8eb1a5;transform:translateY(-2px)}.notice{background:#f0ebde;border-radius:12px;padding:14px 16px;text-align:left;font-size:12px;color:#71695b;display:flex;gap:12px}.notice b{color:#76583a;white-space:nowrap}.msg{display:grid;grid-template-columns:34px minmax(0,760px);gap:12px;max-width:840px;margin:0 auto 25px}.msg>i{width:34px;height:34px;border-radius:8px;background:#eadfc8;color:#6e5735;display:grid;place-items:center;font:12px "Noto Serif SC";font-style:normal}.msg>div{background:#fff;border:1px solid #e5e1d7;border-radius:4px 16px 16px;padding:15px 18px;font-size:14px;line-height:1.78}.msg.user{grid-template-columns:minmax(0,680px) 34px;justify-content:end}.msg.user>i{grid-column:2}.msg.user>div{grid-row:1;grid-column:1;background:var(--jade);color:#fff;border:0;border-radius:16px 4px 16px 16px;justify-self:end}.dots{color:#658d80;animation:pulse 1s infinite}.err{color:var(--red)}mark{background:#eee1c4;color:#6f572e;border-radius:3px}.composer-wrap{padding:14px max(22px,calc((100vw - 930px)/2)) 18px}.composer{background:#fff;border:1px solid #d7d5cd;border-radius:16px;padding:8px 8px 8px 17px;display:grid;grid-template-columns:1fr 44px;align-items:end;box-shadow:0 12px 36px #263d3313}.composer textarea{border:0;box-shadow:none;resize:none;background:transparent;max-height:140px;padding:10px 0}.composer button{border:0;background:var(--jade);color:#fff;width:42px;height:42px;border-radius:12px;font-size:20px}.composer-wrap>p{text-align:center;color:#939894;font-size:10px;margin:8px 0 0}.mobile-nav{display:none}

/* Member / pricing */
.simple-head,.admin-head{height:70px;padding:0 max(22px,calc((100vw - 1100px)/2));display:flex;align-items:center;background:#173e34;color:#fff}.simple-head>a:last-child,.admin-head nav{margin-left:auto}.simple-head>a:last-child,.admin-head nav a{color:#d9e4df;font-size:12px}.admin-head nav{display:flex;gap:20px}.member-wrap{max-width:1050px;margin:auto;padding:60px 24px 100px}.member-hero{text-align:center;max-width:650px;margin:auto}.member-hero h1{font:700 39px "Noto Serif SC";margin:8px}.member-hero>p:last-child{color:var(--muted)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin:42px 0}.price-card{background:var(--card);border:1px solid var(--line);border-radius:19px;padding:28px;position:relative;box-shadow:0 12px 40px #273e340a}.price-card.featured{border:2px solid var(--jade2);transform:translateY(-5px)}.badge{position:absolute;right:18px;top:18px;background:var(--jade);color:#fff;border-radius:20px;padding:5px 9px;font-size:10px}.price-card>p:first-of-type{font-size:11px;color:var(--jade2);font-weight:700}.price-card h2{font:700 23px "Noto Serif SC"}.price{font-size:38px;font-weight:700;margin:18px 0 8px}.price small{font-size:15px}.price-card>strong{font-size:13px}.price-card>p:last-of-type{color:var(--muted);font-size:12px;line-height:1.6;min-height:38px}.buy-btn{width:100%;border:0;background:var(--jade);color:#fff;border-radius:11px;padding:13px;margin-top:15px}.payment-box{display:flex;justify-content:space-between;gap:25px;background:#ece6d8;border-radius:17px;padding:25px}.payment-box p{color:#6d6659;line-height:1.7}.payment-box img{width:130px;height:130px;object-fit:cover;border-radius:10px;background:#fff}.account-card{display:flex;align-items:center;gap:20px;background:linear-gradient(130deg,#17483c,#246451);color:#fff;border-radius:22px;padding:34px}.account-avatar{width:70px;height:70px;border-radius:50%;display:grid;place-items:center;background:#d2b475;color:#17483c;font-size:25px;font-weight:700}.account-card .eyebrow{color:#cbb989!important}.account-card h1{margin:5px 0;font:700 31px "Noto Serif SC"}.account-card span{color:#b9cec6}.benefit-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0 38px}.benefit-grid article{background:var(--card);border:1px solid var(--line);padding:24px;border-radius:15px}.benefit-grid b,.benefit-grid span{display:block}.benefit-grid b{font:700 25px "Noto Serif SC"}.benefit-grid span{font-size:12px;color:var(--muted);margin-top:6px}.orders-title{font:700 23px "Noto Serif SC"}.order-list{display:grid;gap:10px}.order-list article{display:grid;grid-template-columns:1fr auto auto;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:16px}.order-list small{display:block;color:var(--muted);margin-top:5px}.status{font-size:10px;border-radius:20px;padding:5px 8px;text-transform:uppercase}.status.pending{background:#fff3d9;color:#8a6517}.status.paid{background:#e4f3eb;color:#21654e}.status.rejected,.status.cancelled{background:#f8e8e5;color:#8e3d35}.empty{text-align:center;padding:40px;color:var(--muted)}.modal{position:fixed;z-index:30;inset:0;background:#10251fb8;display:none;place-items:center;padding:20px}.modal.open{display:grid}.modal-card{width:min(430px,100%);background:var(--card);border-radius:19px;padding:28px;position:relative;box-shadow:var(--shadow)}.modal-close{position:absolute;right:14px;top:12px;border:0;background:none;font-size:25px;color:#777}.modal-card h2{font:700 25px "Noto Serif SC"}.modal-card .primary{width:100%;margin-top:18px}.modal-card>p:last-child{font-size:12px;color:var(--jade)}

/* Admin */
.admin-login-page{min-height:100vh;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at 90% 10%,#244f43 0,transparent 34%),#102d26}.admin-login-shell{width:min(960px,100%);min-height:620px;display:grid;grid-template-columns:1.05fr .95fr;background:#fffdf8;border-radius:26px;overflow:hidden;box-shadow:0 30px 90px #071a1588}.admin-login-brand{padding:48px 55px;background:linear-gradient(155deg,#173e34,#0e2923);color:#fff;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.admin-login-brand:after{content:"";position:absolute;width:360px;height:360px;border:1px solid #ffffff16;border-radius:50%;right:-190px;bottom:-170px}.admin-login-brand .wordmark{width:max-content;color:#fff}.admin-login-brand>div{position:relative;z-index:1}.admin-login-brand .eyebrow{color:#c7ad77!important}.admin-login-brand h1{font:700 39px "Noto Serif SC";letter-spacing:.06em;margin:10px 0}.admin-login-brand p:not(.eyebrow),.admin-login-brand small{color:#acc2ba;line-height:1.7}.admin-login-card{padding:65px 58px;align-self:center}.admin-shield{width:54px;height:54px;border-radius:15px;background:#e9dfc9;color:#755b32;display:grid;place-items:center;font:700 21px "Noto Serif SC";margin-bottom:25px}.admin-login-card h2{font:700 31px "Noto Serif SC";margin:7px 0}.admin-login-card>p:not(.eyebrow){color:var(--muted)}.admin-login-card form{display:grid;gap:17px;margin:28px 0 20px}.back-user-login{font-size:12px;color:#77827d}
.admin-page{background:#f1f0eb}.admin-wrap{max-width:1180px;margin:auto;padding:45px 24px 90px}.admin-title{display:flex;align-items:end;justify-content:space-between}.admin-title h1{font:700 37px "Noto Serif SC";margin:5px 0}.admin-title>span{font-size:12px;color:var(--muted)}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:28px 0}.stat-grid article{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:22px}.stat-grid b,.stat-grid span{display:block}.stat-grid b{font:700 28px "Noto Serif SC"}.stat-grid span{color:var(--muted);font-size:11px;margin-top:5px}.admin-section{background:var(--card);border:1px solid var(--line);border-radius:17px;padding:25px;margin:17px 0}.section-head h2{font:700 22px "Noto Serif SC";margin:4px 0 18px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;min-width:800px}th,td{text-align:left;border-bottom:1px solid #ece9e0;padding:13px 10px;font-size:12px;vertical-align:middle}th{color:#718079;font-size:10px;letter-spacing:.08em}td b,td small{display:block}td small{color:var(--muted);margin-top:4px}.inline-actions{display:flex;gap:6px;align-items:center}.inline-actions input,.inline-actions select{width:90px;padding:8px}.inline-actions button,.mini-form button{border:0;background:var(--jade);color:#fff;border-radius:8px;padding:9px 11px;font-size:11px;white-space:nowrap}.inline-actions .ghost{background:#eee9df;color:#7a554b}.package-editor{display:grid;gap:12px}.mini-form{display:grid;grid-template-columns:1.3fr 1fr .7fr .8fr .7fr .5fr;gap:10px;align-items:end;background:#f7f5ef;padding:14px;border-radius:12px}.mini-form .wide{grid-column:1/5}.mini-form .check{display:flex;align-items:center;padding-bottom:10px}.mini-form .check input{width:auto}.settings-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}.settings-form .full{grid-column:1/-1}.settings-form .primary{width:max-content}

/* Responsive */
@keyframes pulse{50%{opacity:.3}}
@media(max-width:760px){
 .admin-login-page{padding:0;background:#fffdf8}.admin-login-shell{display:block;min-height:100vh;border-radius:0}.admin-login-brand{min-height:205px;padding:25px 24px}.admin-login-brand>div{margin-top:25px}.admin-login-brand h1{font-size:28px}.admin-login-brand>small{display:none}.admin-login-card{padding:38px 24px}.admin-shield{display:none}.admin-login-card h2{font-size:28px}
 body{padding-bottom:64px}.auth-page{padding:0}.auth-shell{display:block;min-height:100vh;border-radius:0}.brand-panel{display:none}.auth-card{padding:48px 25px}.mobile-brand{display:block;font:700 18px "Noto Serif SC";margin-bottom:52px}.auth-card h2{font-size:30px}
 .app-page{padding-bottom:64px}.app-shell{display:block;height:calc(100vh - 64px)}.sidebar{position:fixed;z-index:20;inset:0 auto 64px 0;width:280px;transform:translateX(-100%);transition:.25s;box-shadow:none}.sidebar.open{transform:none;box-shadow:20px 0 60px #0004}.chat{height:calc(100vh - 64px)}.chat-head{height:62px;padding:0 14px}.menu-btn{display:block;margin-right:10px}.messages{padding:22px 13px}.welcome{margin-top:1vh}.hero-mark{width:54px;height:54px;font-size:25px}.welcome h1{font-size:27px}.prompt-grid{grid-template-columns:1fr;margin:24px 0 18px}.prompt-grid button{padding:14px}.prompt-grid button:nth-child(3){display:none}.notice{display:block}.notice b{display:block;margin-bottom:5px}.msg{grid-template-columns:30px minmax(0,1fr);gap:8px}.msg.user{grid-template-columns:minmax(0,1fr) 30px}.msg>i{width:30px;height:30px}.msg>div{font-size:13px;padding:13px}.composer-wrap{padding:8px 10px 10px}.composer-wrap>p{display:none}.mobile-nav{display:flex;position:fixed;z-index:25;bottom:0;left:0;right:0;height:64px;background:#fff;border-top:1px solid #e2ded4;padding-bottom:env(safe-area-inset-bottom);justify-content:space-around;align-items:center}.mobile-nav a{font-size:12px;color:#7d8782;padding:10px 20px}.mobile-nav a.active{color:var(--jade);font-weight:700}
 .simple-head{height:62px;padding:0 16px}.member-wrap{padding:35px 16px 85px}.member-hero h1{font-size:29px}.pricing-grid{grid-template-columns:1fr;margin-top:30px}.price-card.featured{transform:none}.payment-box{display:block}.payment-box img{display:block;margin:18px auto 0}.account-card{padding:25px 20px}.account-avatar{width:56px;height:56px}.benefit-grid{grid-template-columns:1fr}.order-list article{grid-template-columns:1fr auto}.order-list article>strong{grid-column:2}
 .admin-wrap{padding:28px 12px 85px}.admin-title{align-items:start}.admin-title h1{font-size:30px}.stat-grid{grid-template-columns:1fr 1fr}.stat-grid article:last-child{grid-column:1/-1}.admin-section{padding:17px 12px}.mini-form{grid-template-columns:1fr 1fr}.mini-form .wide{grid-column:1/-1}.settings-form{grid-template-columns:1fr}.settings-form .full{grid-column:auto}.admin-head{padding:0 15px}
}
.user-primary-nav{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:25px;padding:5px;background:#0d3028;border-radius:12px}.user-primary-nav a{color:#a9c0b7;text-align:center;padding:10px 7px;border-radius:8px;font-size:12px;font-weight:600}.user-primary-nav a.active,.user-primary-nav a:hover{background:#fff;color:var(--jade);box-shadow:0 5px 16px #071d1738}.user-primary-nav+.new-chat{margin-top:16px}.account-plans{scroll-margin-top:20px;margin:48px 0}.account-plans .member-hero h1{font-size:31px}.mobile-nav.two-items a{width:50%;text-align:center}
@media(max-width:760px){body{padding-bottom:82px}.app-page{padding-bottom:82px}.app-shell,.chat{height:calc(100vh - 82px)}.sidebar{inset-bottom:82px}.mobile-nav.two-items{height:82px;padding:9px 10px calc(9px + env(safe-area-inset-bottom));gap:10px;background:linear-gradient(180deg,rgba(246,243,235,.82),#f6f3eb 28%);border-top:0;backdrop-filter:blur(14px)}.mobile-nav.two-items a{height:52px;display:flex;align-items:center;justify-content:center;padding:0 10px;background:#fff;border:1px solid #dedbd1;border-radius:15px;box-shadow:0 7px 22px rgba(28,51,43,.09);font-size:12px;font-weight:600;color:#7a8580}.mobile-nav.two-items a.active{background:linear-gradient(145deg,#f1f8f4,#e6f1ec);border-color:#8bb0a3;color:var(--jade);box-shadow:0 8px 24px rgba(23,79,66,.14)}}
@media(max-width:760px){.sidebar{bottom:82px!important}}
.payment-qr{display:grid;justify-items:center;gap:12px}.payment-qr>img{width:138px;height:138px;object-fit:cover;border-radius:12px;background:#fff}.payment-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;width:100%;min-width:240px}.payment-actions button{border:1px solid #b8c9c2;background:#fff;color:var(--jade);border-radius:11px;padding:11px 12px;font-size:12px;font-weight:600}.payment-actions .wechat-btn{border-color:#20a967;background:#18a75f;color:#fff}.payment-actions button:active{transform:scale(.98)}@media(max-width:760px){.payment-qr{width:100%;margin-top:18px}.payment-qr>img{width:150px;height:150px}.payment-actions{min-width:0;width:100%}}