/* 授权中心 · 前台样式 */
*{box-sizing:border-box}
body{margin:0;background:#f4f5f9;color:#1f2430;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
a{color:#1890ff;text-decoration:none}
a:hover{text-decoration:underline}

/* 顶部导航 */
.topbar{background:#0f2733;color:#fff;padding:0 16px}
.topbar .inner{max-width:960px;margin:0 auto;display:flex;align-items:center;gap:16px;height:56px}
.topbar .logo{font-size:17px;font-weight:700;color:#fff}
.topbar .nav{display:flex;gap:14px;flex:1;margin-left:8px}
.topbar .nav a{color:rgba(255,255,255,.78);font-size:14px}
.topbar .nav a:hover,.topbar .nav a.on{color:#fff;text-decoration:none}
.topbar .right{display:flex;gap:10px;align-items:center;font-size:14px}
.topbar .right a{color:rgba(255,255,255,.85)}
.topbar .btn-top{background:linear-gradient(100deg,#13c2c2,#1890ff);border-radius:8px;padding:7px 14px;color:#fff!important}
.topbar .btn-top.ghost{background:rgba(255,255,255,.14)}
@media (max-width:640px){
  .topbar .inner{height:auto;flex-wrap:wrap;padding:10px 0;gap:10px}
  .topbar .nav{order:3;width:100%;flex-wrap:wrap;gap:12px}
  .topbar .right{font-size:13px}
}

.hero{background:linear-gradient(135deg,#13c2c2,#4F6BFF);color:#fff;padding:40px 16px 52px;text-align:center}
.hero h1{margin:0 0 8px;font-size:25px}
.hero p{margin:0;opacity:.92;font-size:14px}
.hero.small{padding:26px 16px 34px}

.wrap{max-width:880px;margin:-30px auto 40px;padding:0 16px}
.wrap.flat{margin-top:20px}
.card{background:#fff;border-radius:14px;box-shadow:0 6px 24px rgba(30,40,90,.08);padding:20px;margin-bottom:16px}
h3{margin:0 0 14px;font-size:17px}

.versions{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ver{border:1px solid #eef0f7;border-radius:14px;padding:18px;position:relative;display:flex;flex-direction:column}
.ver.free{border-color:#b2f0e8;background:linear-gradient(180deg,#f2fffd,#fff)}
.ver.pro{border-color:#ffd591;background:linear-gradient(180deg,#fffbf0,#fff)}
.ver h4{margin:0 0 4px;font-size:17px}
.ver .tag{position:absolute;top:-10px;right:14px;font-size:11.5px;padding:3px 10px;border-radius:999px;color:#fff}
.ver.free .tag{background:#13c2c2}
.ver.pro .tag{background:linear-gradient(100deg,#ffb020,#f5871f)}
.ver .price{font-size:13px;color:#8a90a2;margin-bottom:12px}
.ver ul{margin:0 0 16px;padding-left:20px;font-size:13.5px;color:#4a5164;line-height:2;flex:1}
.ver ul li.no{color:#b6bccb}

.btn{display:inline-block;border:0;border-radius:10px;padding:12px 22px;color:#fff;font-size:15px;
  cursor:pointer;font-weight:600;text-align:center;width:100%;text-decoration:none}
.btn:hover{text-decoration:none}
.btn.free{background:linear-gradient(100deg,#13c2c2,#0ea5b7)}
.btn.pro{background:linear-gradient(100deg,#ffb020,#f5871f)}
.btn.pri{background:linear-gradient(100deg,#13c2c2,#1890ff)}
.btn.ghost{background:#f2f3f8;color:#4a5164}
.btn.sm{width:auto;padding:8px 16px;font-size:13.5px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

.row{display:flex;gap:10px;flex-wrap:wrap}
input[type=text],input[type=password],input[type=email],select,textarea{
  width:100%;border:1px solid #eceef5;background:#fafbff;border-radius:10px;padding:12px 14px;
  font-size:15px;outline:none;font-family:inherit}
input:focus,textarea:focus,select:focus{border-color:#13c2c2;background:#fff}
.row input{flex:1;min-width:180px}
label{display:block;font-size:13.5px;color:#5c6377;margin:14px 0 6px}
.form-tip{font-size:12.5px;color:#8a90a2;margin-top:6px;line-height:1.7}

.result{margin-top:14px;font-size:14px}
table{width:100%;border-collapse:collapse}
table td,table th{padding:10px 8px;border-bottom:1px solid #eceef5;text-align:left;font-size:14px}
table th{color:#8a90a2;font-size:13px;font-weight:600}
.ok{color:#08979c;font-weight:600}
.no{color:#cf1322;font-weight:600}
.wait{color:#d46b08;font-weight:600}
.code{font-family:monospace;font-weight:700;color:#13c2c2;letter-spacing:.5px}
.muted{color:#8a90a2;font-size:13px}
.big{font-size:22px;font-weight:700}

ol{padding-left:20px;line-height:2;font-size:14px;color:#4a5164}
code{background:#f2f3f8;padding:2px 6px;border-radius:4px;font-size:13px}

.notice{background:#fffbe6;border:1px solid #ffe58f;color:#874d00;padding:12px 16px;border-radius:10px;font-size:13.5px}
.alertbox{background:#fff1f0;border:1px solid #ffccc7;color:#cf1322;padding:12px 16px;border-radius:10px;font-size:13.5px;margin-bottom:16px}
.okbox{background:#e6fffb;border:1px solid #b5f5ec;color:#08979c;padding:12px 16px;border-radius:10px;font-size:13.5px;margin-bottom:16px}
.contact{background:#f7f8fd;border-radius:10px;padding:14px 16px;font-size:14px;line-height:1.9;color:#4a5164}
.foot{text-align:center;color:#8a90a2;font-size:13px;padding:10px 16px 34px;line-height:2}
.lic-item{border:1px solid #eef0f7;border-radius:12px;padding:14px;margin-bottom:12px}
.lic-item .top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.lic-item .top b{font-size:15px}
.lic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px 16px;margin-top:10px;font-size:13.5px}
.lic-grid span{color:#8a90a2}
.lic-ops{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tabs a{background:#f2f3f8;border-radius:999px;padding:8px 16px;font-size:14px;color:#4a5164}
.tabs a.on{background:linear-gradient(100deg,#13c2c2,#1890ff);color:#fff}
@media (max-width:640px){
  .versions{grid-template-columns:1fr}
  .wrap{margin-top:-20px}
  .lic-grid{grid-template-columns:1fr}
}

/* 只提供一个版本时铺满整行 */
.versions.single{grid-template-columns:1fr}