:root{
  --bg:#f5f8fc;
  --panel:#ffffff;
  --line:#e9eef5;
  --text:#15233b;
  --muted:#7c8aa5;
  --blue:#1677ff;
  --blue-2:#eaf3ff;
  --green:#16b364;
  --orange:#ff8a00;
  --red:#ff4d4f;
  --purple:#7c4dff;
  --radius:14px;
  --shadow:0 8px 28px rgba(38,74,120,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  font-size:14px;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
img{max-width:100%}
.container{width:min(1180px,calc(100% - 28px));margin:0 auto}
.header{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:30
}
.header-top{height:72px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;min-width:220px}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(145deg,#2088ff,#0d63db);
  font-weight:800;font-size:18px;box-shadow:0 8px 22px rgba(22,119,255,.22)
}
.brand-name{font-size:22px;font-weight:800;line-height:1.05}
.brand-sub{font-size:12px;color:var(--muted);margin-top:5px}
.search{flex:1;display:flex;max-width:560px;margin-left:auto}
.search input{
  width:100%;height:40px;border:1px solid #dce5f0;border-right:none;
  border-radius:9px 0 0 9px;padding:0 14px;outline:none;background:#fbfdff
}
.search input:focus{border-color:#9dc7ff;background:#fff}
.search button{
  width:52px;border:0;border-radius:0 9px 9px 0;background:var(--blue);color:#fff;cursor:pointer
}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:16px;white-space:nowrap}
.top-actions .register{color:var(--blue)}
.nav-row{height:50px;display:flex;align-items:center;justify-content:space-between}
.nav{display:flex;align-items:center;gap:30px;height:100%}
.nav a{height:100%;display:flex;align-items:center;position:relative;font-weight:600}
.nav a.active{color:var(--blue)}
.nav a.active:after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--blue)
}
.nav-extra{display:flex;gap:24px;color:#4d5d78}

.page{padding:16px 0 26px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px}
.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow)
}
.panel-body{padding:16px}
.panel-title{
  font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:space-between;
  margin:0 0 14px
}
.panel-title small{font-size:13px;font-weight:500;color:var(--muted)}
.notice{
  padding:15px 18px;display:grid;grid-template-columns:125px 1fr;align-items:center;gap:18px;margin-bottom:16px
}
.notice-label{font-size:18px;font-weight:800;color:var(--blue);display:flex;align-items:center;gap:8px}
.notice ul{margin:0;padding-left:18px;color:#53627c;line-height:1.9}

.resource-card{padding:0 18px}
.resource-head{
  display:flex;align-items:center;justify-content:space-between;
  height:58px;border-bottom:1px solid var(--line)
}
.resource-head h1,.resource-head h2{font-size:18px;margin:0;color:var(--blue)}
.resource-list{list-style:none;margin:0;padding:0}
.resource-item{
  min-height:58px;border-bottom:1px solid var(--line);display:flex;align-items:center;
  gap:10px;padding:10px 0
}
.resource-title{font-size:15px;line-height:1.5;min-width:0}
.resource-title:hover{color:var(--blue)}
.meta-line{color:var(--muted);font-size:12px;margin-top:5px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:6px;
  background:var(--blue-2);color:var(--blue);font-size:12px;white-space:nowrap
}
.tag.green{background:#eafaf2;color:var(--green)}
.tag.orange{background:#fff3e8;color:var(--orange)}
.tag.red{background:#fff0f0;color:var(--red)}
.tag.purple{background:#f3efff;color:var(--purple)}
.resource-main{flex:1;min-width:0}
.resource-date{margin-left:auto;color:#93a0b6;font-size:12px;white-space:nowrap}
.pagination{display:flex;gap:10px;justify-content:center;padding:20px 0 6px;align-items:center}
.pagination a{
  height:34px;border:1px solid #dfe7f1;background:#fff;border-radius:7px;
  display:inline-flex;align-items:center;justify-content:center;color:#5e6d86;
  padding:0 14px;
  transition: all 0.2s;
}
.pagination a:hover{border-color:var(--blue);color:var(--blue)}
.pagination a.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.pagination a.active:hover{opacity:0.9;color:#fff}
.pagination .page-text{color:#5e6d86;font-size:14px;padding:0 5px;}
.pagination .page-limit-hint {font-size: 12px;color: #93a0b6;margin-left: 5px;}

.sidebar{display:flex;flex-direction:column;gap:14px}
.login-panel{padding:15px}
.login-panel h3,.side-box h3{font-size:17px;margin:0 0 12px;display:flex;align-items:center;gap:8px}
.form-control{
  width:100%;height:40px;border:1px solid #dce5f0;border-radius:8px;background:#fbfdff;
  padding:0 12px;outline:none
}
.form-control:focus{border-color:#9fc7ff;background:#fff}
.login-panel .form-control + .form-control{margin-top:9px}
.login-actions{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;align-items:center;margin-top:10px}
.btn{
  height:38px;border-radius:8px;border:1px solid transparent;padding:0 15px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-weight:600
}
.btn-primary{background:var(--blue);color:#fff}
.btn-secondary{background:#fff;border-color:#cfdbea;color:var(--blue)}
.btn-light{background:#f5f8fc;color:#56657d}
.btn-danger{background:#fff1f1;color:#d83a3d;border-color:#ffd5d5}
.link{color:var(--blue);cursor:pointer}
.forgot{font-size:12px;text-align:right}
.login-hint{font-size:12px;color:var(--muted);margin-top:9px}
.member-greeting{padding-top:2px}
.member-greeting .welcome{color:var(--muted);font-size:13px}
.member-greeting .username{font-size:20px;font-weight:800;margin:4px 0 8px}
.member-greeting .vip-line{font-size:13px;color:#687892;margin-bottom:12px}
.member-actions{display:flex;gap:8px;flex-wrap:wrap}

.side-box{padding:15px}
.tag-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tag-grid a{
  text-align:center;padding:8px 6px;background:#f6f8fb;border-radius:8px;color:#53627b;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap
}
.link-list{display:grid;gap:9px}
.link-list a{color:#53627b}
.link-list a:hover{color:var(--blue)}

.detail-wrap{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:16px}
.detail-main{padding:22px}
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:14px}
.detail-title{font-size:26px;line-height:1.35;margin:0 0 10px}
.detail-meta{color:var(--muted);font-size:13px;margin-bottom:18px}
.article{line-height:1.9;color:#40506a}
.download-box{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}

/* ✨新增：新版下载列表样式，并删除了旧版 .download-row 相关代码 */
.download-row-new {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-top: 12px;
  background: #fafcff;
}
.name-url-line {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.name-url-line .name {
  font-weight: 800;
  color: var(--text);
  font-size: 15px;
}
.name-url-line .url-link {
  color: var(--blue);
  text-decoration: underline;
  font-size: 13px;
  word-break: break-all;
}
.pwd-line {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
/* 迷你操作按钮 */
.btn-copy-mini, .btn-open-mini {
  border: 1px solid #dce5f0;
  background: #fff;
  padding: 2px 10px;
  border-radius: 5px;
  font-size: 12px;
  cursor: pointer;
  color: #5b6a82;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.btn-copy-mini:hover, .btn-open-mini:hover {
  border-color: var(--blue);
  color: var(--blue);
}
/* 复制成功后的绿色高亮状态 */
.btn-copy-mini.copied-success {
  background-color: var(--green) !important;
  color: #fff !important;
  border-color: var(--green) !important;
}

/* 修复了这里的 calc 写法 */
.auth-page{min-height:calc(100vh - 123px);display:grid;place-items:start center;padding:42px 14px}
.auth-card{width:min(460px,100%);padding:26px}
.auth-card h1{font-size:24px;margin:0 0 8px}
.auth-card .desc{color:var(--muted);margin-bottom:22px}
.form-group{margin-bottom:14px}
.form-group label{display:block;margin-bottom:7px;color:#5b6a82;font-size:13px}
.auth-card .btn{width:100%;margin-top:4px}
.auth-links{text-align:center;margin-top:16px;color:var(--muted)}
.auth-links a{color:var(--blue)}

.member-page{display:grid;grid-template-columns:220px minmax(0,1fr);gap:16px}
.member-menu{padding:12px}
.member-menu h3{padding:8px 10px;margin:0 0 4px}
.member-menu a{
  display:block;padding:11px 12px;border-radius:8px;color:#53627b;margin:2px 0
}
.member-menu a.active{background:var(--blue-2);color:var(--blue);font-weight:700}
.member-content{padding:24px}
.member-content h1{font-size:22px;margin:0 0 20px}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
.info-card{padding:16px;background:#f7f9fc;border-radius:10px}
.info-card .label{font-size:12px;color:var(--muted)}
.info-card .value{font-size:18px;font-weight:800;margin-top:5px}

.vip-plans{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.vip-card{border:1px solid var(--line);border-radius:12px;padding:18px}
.vip-card.active{border-color:#86baff;box-shadow:0 0 0 3px rgba(22,119,255,.08)}
.vip-name{font-size:18px;font-weight:800}
.vip-price{font-size:26px;color:var(--blue);font-weight:800;margin:10px 0}
.pay-options{display:flex;gap:8px;margin:14px 0}
.pay-options button{flex:1}

/* 通用辅助类 */
.msg-error-top { color: var(--red); margin-bottom: 10px; font-weight: bold; text-align: center; }
.list-empty { padding: 20px; text-align: center; color: var(--muted); }
.sidebar-msg { font-size: 12px; margin-top: 10px; text-align: center; }
.pwd-unlock-btn { color: var(--blue); cursor: pointer; font-weight: bold; }
.pwd-result { display: none; color: var(--red); font-weight: bold; }
.pwd-upgrade { color: var(--red); }
.pwd-show { color: var(--red); font-weight: bold; }
.text-muted { color: var(--muted); }
.mt-20 { margin-top: 20px; }
.w-100 { width: 100%; }
.mt-10 { margin-top: 10px; }
.mt-12 { margin-top: 12px; }
.mb-14 { margin-bottom: 14px; }
.m-0 { margin: 0; }
.text-center { text-align: center; }
.text-muted-alt { color: #73819a; }
.cursor-pointer { cursor: pointer; }
.d-none { display: none !important; }
.flex-align-center { display: flex; align-items: center; gap: 8px; }
.msg-success { color: var(--green); }
.msg-error { color: var(--red); }
.msg-pending { color: var(--muted); }
.sec-question-box { background: #f7f9fc; padding: 12px; border-radius: 8px; font-size: 13px; color: #5b6a82; }
.radio-box { margin-bottom: 20px; }
.radio-box label { margin-right: 15px; cursor: pointer; }
.pay-section { border-top: 1px solid var(--line); padding-top: 20px; }
.pay-warning { text-align: center; color: var(--red); font-weight: 800; }
.countdown-wrap { text-align: center; margin: 15px 0; font-size: 14px; }
.countdown-time { font-size: 24px; color: var(--orange); font-weight: 800; }
.amount-input { color: var(--blue) !important; font-weight: 800; font-size: 18px; }
.text-12 { font-size: 12px; }
.input-group {
  display: flex;
  gap: 8px;
}
.flex-1 {
  flex: 1;
}
.btn-input-append {
  height: 40px;
  padding: 0 16px;
  font-size: 14px;
}

/* === 失效报错按钮居中样式 === */
.report-box-center {
  text-align: center;
  margin: 20px 0 10px; /* 控制上下间距 */
}
.btn-report {
  background-color: #fff1f1; /* 浅红背景 */
  color: var(--red);
  font-weight: 600;
  transition: all 0.2s;
  padding: 0 20px;
  height: 42px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #ffd5d5;
  cursor: pointer;
}
.btn-report:hover {
  background-color: var(--red);
  color: #fff;
  border-color: var(--red);
}
.btn-report.reported-success {
  background-color: #eafaf2; /* 成功绿背景 */
  color: var(--green);
  border-color: #c1ebd4;
  pointer-events: none; /* 成功后禁止再次点击 */
}

/* === PC端 Footer 样式 === */
.footer {
  margin-top: 40px;
  padding: 30px 0 40px;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  background-color: transparent;
}
.footer-content p {
  margin: 6px 0;
}
.footer-content a {
  color: #73819a;
  transition: color 0.2s ease;
}
.footer-content a:hover {
  color: var(--blue);
  text-decoration: underline;
}