/* =========================================================
 * 教育数字资源平台  dr- 前缀样式（桌面 + 移动 APP 化）
 * ========================================================= */
:root{
    --dr-primary:#2f6bff;
    --dr-primary-d:#1e4fd6;
    --dr-accent:#00c2a8;
    --dr-grad:linear-gradient(135deg,#2f6bff 0%,#00c2a8 100%);
    --dr-grad-soft:linear-gradient(135deg,#eaf1ff 0%,#e6fbf6 100%);
    --dr-bg:#f4f7fb;
    --dr-card:#ffffff;
    --dr-text:#1f2733;
    --dr-sub:#6b7785;
    --dr-line:#e8edf3;
    --dr-free:#16a34a;
    --dr-points:#f59e0b;
    --dr-money:#ef4444;
    --dr-shadow:0 4px 18px rgba(31,39,51,.06);
    --dr-radius:14px;
}
.dr-app{background:var(--dr-bg);color:var(--dr-text);min-height:100vh;font-size:14px;line-height:1.6;-webkit-text-size-adjust:100%;padding-top:80px}
@media (max-width:980px){.dr-app{padding-top:56px}}
.dr-wrap{max-width:1180px;margin:0 auto;padding:16px 16px 90px}
.dr-desktop-only{display:inline-block}

/* 按钮 */
.dr-btn-primary,.dr-btn-ghost,.dr-btn-warn,.dr-btn-danger{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;cursor:pointer;border-radius:10px;font-size:14px;font-weight:600;padding:9px 16px;transition:.15s;text-decoration:none}
.dr-btn-primary{background:var(--dr-grad);color:#fff;box-shadow:0 4px 12px rgba(47,107,255,.3)}
.dr-btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.dr-btn-ghost{background:#eef2f8;color:var(--dr-text)}
.dr-btn-ghost:hover{background:#e2e8f2}
.dr-btn-warn{background:#fff4e0;color:#b9740b}
.dr-btn-danger{background:#fdeaea;color:#d23b3b}
.dr-btn-block{width:100%}
.dr-btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}
.dr-btn-lg{padding:13px;font-size:15px;margin-top:8px}
.dr-btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}
.dr-mt{margin-top:8px}

/* 顶部导航 */
.dr-topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--dr-line)}
.dr-topbar-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:10px 16px}
.dr-logo{font-size:18px;font-weight:800;color:var(--dr-primary);text-decoration:none;white-space:nowrap}
.dr-subnav{display:flex;gap:4px;flex:1}
.dr-subnav a{color:var(--dr-sub);text-decoration:none;padding:7px 12px;border-radius:8px;font-weight:600;font-size:14px}
.dr-subnav a:hover{background:#eef2f8;color:var(--dr-text)}
.dr-subnav a.active{background:var(--dr-grad-soft);color:var(--dr-primary)}
.dr-topbar-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.dr-points-pill{background:var(--dr-grad-soft);color:var(--dr-primary);padding:6px 12px;border-radius:20px;font-weight:700;text-decoration:none;font-size:13px}
.dr-points-pill b{font-size:15px}
.dr-avatar-sm img{border-radius:50%;display:block;border:2px solid #fff;box-shadow:var(--dr-shadow)}
.dr-avatar-sm{display:block;line-height:0}

/* 主视觉 */
.dr-hero{background:var(--dr-grad);border-radius:20px;padding:32px 28px;color:#fff;margin-bottom:18px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.dr-hero-text{flex:1;min-width:280px}
.dr-hero h1{font-size:28px;margin:0 0 8px;font-weight:800}
.dr-hero p{margin:0 0 16px;opacity:.92;max-width:520px}
.dr-searchbar{display:flex;gap:8px;background:#fff;padding:6px;border-radius:12px;max-width:520px}
.dr-searchbar input{flex:1;border:none;outline:none;padding:8px 12px;font-size:14px;border-radius:8px;min-width:0}
.dr-searchbar button{padding:8px 20px}
.dr-hero-stats{display:grid;grid-template-columns:repeat(2,auto);gap:14px 28px}
.dr-stat{text-align:center}
.dr-stat b{display:block;font-size:22px;font-weight:800}
.dr-stat span{font-size:12px;opacity:.9}

/* 布局 */
.dr-layout{display:grid;grid-template-columns:1fr 300px;gap:18px;align-items:start}
.dr-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:70px}
.dr-block{background:var(--dr-card);border-radius:var(--dr-radius);padding:18px;margin-bottom:18px;box-shadow:var(--dr-shadow)}
.dr-block-title{font-size:17px;font-weight:800;margin:0 0 14px}
.dr-block-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.dr-block-head .dr-block-title{margin:0}
.dr-block-sub{color:var(--dr-sub);font-size:13px;margin:0 0 12px}
.dr-muted{color:var(--dr-sub)}
.dr-mb{margin-bottom:14px}

/* 学段 */
.dr-stage-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.dr-stage-card{background:var(--dr-grad-soft);border-radius:14px;padding:18px 10px;text-align:center;text-decoration:none;color:var(--dr-text);transition:.15s;border:1px solid transparent}
.dr-stage-card:hover{transform:translateY(-2px);border-color:var(--dr-primary)}
.dr-stage-ico{font-size:30px;display:block;margin-bottom:6px}
.dr-stage-card b{font-size:14px}

/* chips / 标签 */
.dr-chips{display:flex;flex-wrap:wrap;gap:8px}
.dr-chip{background:#eef2f8;color:var(--dr-sub);border:none;cursor:pointer;padding:7px 14px;border-radius:20px;font-size:13px;font-weight:600;transition:.15s}
.dr-chip:hover{background:#e2e8f2}
.dr-chip.active{background:var(--dr-grad);color:#fff}
.dr-chip-ghost{background:transparent;border:1px solid var(--dr-line);color:var(--dr-primary)}

/* 资源网格卡片 */
.dr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.dr-card{background:#fff;border:1px solid var(--dr-line);border-radius:14px;overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.dr-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(31,39,51,.1)}
.dr-card-cover{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:#eef2f8}
.dr-card-cover img{width:100%;height:100%;object-fit:cover}
.dr-card-cover-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:46px;font-weight:800;color:#fff}
.dr-card-cover-ppt{background:linear-gradient(135deg,#ff7a59,#ff4d4d)}
.dr-card-cover-textbook{background:linear-gradient(135deg,#4f8bff,#2f6bff)}
.dr-card-cover-plan{background:linear-gradient(135deg,#34d399,#059669)}
.dr-card-cover-exercise{background:linear-gradient(135deg,#a78bfa,#7c3aed)}
.dr-card-cover-exam{background:linear-gradient(135deg,#fbbf24,#f59e0b)}
.dr-card-cover-video{background:linear-gradient(135deg,#22d3ee,#0891b2)}
.dr-card-cover-netdisk{background:linear-gradient(135deg,#64748b,#334155)}
.dr-card-cover-other{background:linear-gradient(135deg,#94a3b8,#64748b)}
.dr-card-badges{position:absolute;top:8px;left:8px;display:flex;gap:4px;flex-wrap:wrap}
.dr-badge{font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px;color:#fff}
.dr-badge-top{background:#7c3aed}
.dr-badge-hot{background:#ef4444}
.dr-badge-free{background:#16a34a}
.dr-card-type{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.55);color:#fff;font-size:11px;padding:2px 8px;border-radius:6px}
.dr-card-body{padding:12px;display:flex;flex-direction:column;gap:6px;flex:1}
.dr-card-title{font-weight:700;color:var(--dr-text);text-decoration:none;font-size:14px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dr-card-title:hover{color:var(--dr-primary)}
.dr-card-meta{display:flex;flex-wrap:wrap;gap:6px}
.dr-card-meta span{font-size:11px;color:var(--dr-sub);background:#f1f4f8;padding:2px 7px;border-radius:5px}
.dr-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px}
.dr-card-dl{font-size:12px;color:var(--dr-sub)}
.dr-price{font-weight:800;font-size:14px}
.dr-price.dr-free{color:var(--dr-free)}
.dr-price.dr-points{color:var(--dr-points)}
.dr-price.dr-money{color:var(--dr-money)}

/* 筛选 */
.dr-filters{background:#fafbfd;border:1px solid var(--dr-line);border-radius:12px;padding:12px;margin-bottom:16px;display:flex;flex-direction:column;gap:10px}
.dr-filter-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dr-filter-label{font-size:13px;color:var(--dr-sub);font-weight:600;min-width:36px}
.dr-scroll-x{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
.dr-scroll-x .dr-chip{flex:0 0 auto}

/* 分页 / 空态 */
.dr-pager{display:flex;justify-content:center;gap:8px;margin-top:18px;flex-wrap:wrap}
.dr-pager button{background:#eef2f8;border:none;border-radius:8px;padding:7px 13px;cursor:pointer;font-weight:600;color:var(--dr-sub)}
.dr-pager button.active{background:var(--dr-grad);color:#fff}
.dr-pager button:disabled{opacity:.4;cursor:not-allowed}
.dr-empty{text-align:center;color:var(--dr-sub);padding:30px 10px;font-size:14px;grid-column:1/-1;width:100%}

/* 侧栏卡片 */
.dr-card-side{background:var(--dr-card);border-radius:var(--dr-radius);padding:16px;box-shadow:var(--dr-shadow)}
.dr-card-side h3{margin:0 0 10px;font-size:15px;font-weight:800}
.dr-cta{background:var(--dr-grad-soft);border:1px solid #dbe7ff}
.dr-assure{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.dr-assure li{font-size:13px;color:var(--dr-sub)}
.dr-tags{display:flex;flex-wrap:wrap;gap:7px}
.dr-tag{background:#eef2f8;border:none;cursor:pointer;padding:5px 11px;border-radius:8px;font-size:12px;color:var(--dr-sub);font-weight:600}
.dr-tag:hover{background:#e2e8f2}
.dr-tag-static{display:inline-block;background:#eef2f8;color:var(--dr-sub);font-size:12px;padding:3px 10px;border-radius:6px;font-weight:600}

/* 浮动发布按钮 */
.dr-fab{position:fixed;right:18px;bottom:78px;z-index:40}
.dr-fab a{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:var(--dr-grad);color:#fff;font-size:24px;text-decoration:none;box-shadow:0 6px 20px rgba(47,107,255,.45)}

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

/* 提示 */
.dr-alert{padding:14px 16px;border-radius:12px;font-weight:600}
.dr-alert-danger{background:#fdeaea;color:#d23b3b}
.dr-alert-warn{background:#fff4e0;color:#b9740b}

/* 面包屑 */
.dr-breadcrumb{font-size:13px;color:var(--dr-sub);margin-bottom:14px}
.dr-breadcrumb a{color:var(--dr-primary);text-decoration:none}

/* 详情页 */
.dr-detail{background:var(--dr-card);border-radius:var(--dr-radius);padding:20px;box-shadow:var(--dr-shadow)}
.dr-detail-head{display:flex;gap:18px;margin-bottom:18px}
.dr-detail-cover{width:200px;flex:0 0 200px}
.dr-detail-cover img,.dr-detail-cover .dr-card-cover-ph{width:100%;aspect-ratio:4/3;border-radius:12px}
.dr-detail-cover .dr-card-cover-ph{font-size:60px}
.dr-detail-info{flex:1;min-width:0}
.dr-detail-info h1{font-size:22px;margin:0 0 10px;line-height:1.35}
.dr-detail-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.dr-detail-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--dr-sub);font-size:13px;margin-bottom:14px}
.dr-detail-price{font-size:24px;font-weight:800}
.dr-detail-sec{margin-top:20px;padding-top:18px;border-top:1px solid var(--dr-line)}
.dr-detail-sec h3{font-size:16px;margin:0 0 10px}
.dr-detail-desc{color:#374151;line-height:1.8}
.dr-netdisk-box{background:#fafbfd;border-radius:12px;padding:14px}
.dr-netdisk-box p{margin:6px 0;font-size:14px}
.dr-pwd{background:#fff4e0;padding:2px 10px;border-radius:6px;letter-spacing:2px}

/* 评价 */
.dr-reviews{display:flex;flex-direction:column;gap:12px}
.dr-review{border-bottom:1px solid var(--dr-line);padding-bottom:12px}
.dr-review:last-child{border:none}
.dr-review-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.dr-review-head b{font-size:14px}
.dr-review-head em{color:var(--dr-sub);font-size:12px;margin-left:auto}
.dr-review p{margin:0;color:#374151}

/* 星级 */
.dr-stars{display:inline-flex;gap:2px;color:#f59e0b;font-size:14px}
.dr-stars::before{content:"★★★★★";letter-spacing:2px;background:linear-gradient(90deg,#f59e0b calc(var(--p,0)*20%),#d8dee6 0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dr-stars[data-v="1"]{--p:1}.dr-stars[data-v="2"]{--p:2}.dr-stars[data-v="3"]{--p:3}.dr-stars[data-v="4"]{--p:4}.dr-stars[data-v="5"]{--p:5}
.dr-stars-pick{display:flex;gap:8px;justify-content:center;font-size:30px;color:#d8dee6;margin:8px 0 14px;cursor:pointer}
.dr-stars-pick span.on{color:#f59e0b}

/* 购买框 */
.dr-buybox{position:sticky;top:70px}
.dr-buy-price{font-size:26px;font-weight:800;margin-bottom:12px;text-align:center}
.dr-buy-tip{font-size:12px;color:var(--dr-sub);text-align:center;margin:8px 0 0}
.dr-owner{display:flex;align-items:center;gap:10px}
.dr-owner img{width:44px;height:44px;border-radius:50%}
.dr-owner b{display:block;font-size:14px}
.dr-owner span{font-size:12px;color:var(--dr-sub)}

/* 表单 */
.dr-form{display:flex;flex-direction:column;gap:14px}
.dr-form-row{display:flex;flex-direction:column;gap:6px}
.dr-form-row label{font-size:13px;font-weight:600;color:#374151}
.dr-form-row label i{color:var(--dr-money);font-style:normal}
.dr-form-row input,.dr-form-row select,.dr-form-row textarea,.dr-form textarea{border:1px solid var(--dr-line);border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;outline:none;background:#fff;width:100%}
.dr-form-row input:focus,.dr-form-row select:focus,.dr-form-row textarea:focus{border-color:var(--dr-primary);box-shadow:0 0 0 3px rgba(47,107,255,.12)}
.dr-form-row textarea{resize:vertical}
.dr-form-2col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dr-radio-row{display:flex;gap:16px;flex-wrap:wrap}
.dr-radio{display:flex;align-items:center;gap:5px;font-weight:600;font-size:14px;cursor:pointer}

/* 积分中心 */
.dr-points-hero{background:var(--dr-grad);border-radius:16px;padding:20px;color:#fff;display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.dr-points-hero-label{display:block;font-size:13px;opacity:.9}
.dr-points-hero-num{font-size:36px;font-weight:800}
.dr-points-hero-main .dr-btn-primary{background:#fff;color:var(--dr-primary);margin-left:14px}
.dr-points-hero-link{color:#fff;opacity:.9;text-decoration:none;font-weight:600}
.dr-signin-card{text-align:center}
.dr-signin-streak{font-size:15px;margin-bottom:14px}
.dr-signin-streak b{color:var(--dr-primary);font-size:20px}
.dr-signed-ok{color:var(--dr-free);font-weight:700;margin-left:8px}
.dr-signin-days{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-bottom:14px}
.dr-signin-day{background:#f1f4f8;border-radius:10px;padding:10px 4px;display:flex;flex-direction:column;gap:3px}
.dr-signin-day.on{background:var(--dr-grad-soft);border:1px solid var(--dr-primary)}
.dr-signin-day.bonus .dr-sd-pts{color:var(--dr-points)}
.dr-sd-num{font-size:11px;color:var(--dr-sub)}
.dr-sd-pts{font-size:13px;font-weight:800;color:var(--dr-primary)}
.dr-signin-tip{font-size:12px;color:var(--dr-sub);margin:10px 0 0}

/* 任务列表 */
.dr-task-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.dr-task-item{display:flex;align-items:center;gap:12px;background:#fafbfd;border:1px solid var(--dr-line);border-radius:12px;padding:12px}
.dr-task-ico{font-size:26px;width:46px;height:46px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:12px;flex:0 0 46px}
.dr-task-body{flex:1;min-width:0}
.dr-task-body b{font-size:14px}
.dr-task-body p{margin:2px 0;font-size:12px;color:var(--dr-sub)}
.dr-task-sub{font-size:11px;color:var(--dr-sub)}
.dr-task-right{text-align:right;display:flex;flex-direction:column;gap:6px;align-items:flex-end}
.dr-task-pts{font-weight:800;color:var(--dr-points)}
.dr-task-done{font-size:12px;color:var(--dr-free);font-weight:700}

/* 邀请 */
.dr-invite-card{background:var(--dr-grad-soft);border:1px solid #dbe7ff}
.dr-invite-row{display:flex;gap:8px;margin:10px 0}
.dr-invite-row input{flex:1;border:1px solid var(--dr-line);border-radius:10px;padding:10px;font-size:13px;background:#fff;min-width:0}
.dr-invite-code{font-size:13px;color:var(--dr-sub)}
.dr-invite-code b{color:var(--dr-primary);letter-spacing:1px}

/* 积分明细 */
.dr-plog{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.dr-plog li{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--dr-line);font-size:13px}
.dr-plog-note{flex:1;color:#374151}
.dr-plog-amt{font-weight:800}
.dr-plog-amt.plus{color:var(--dr-free)}
.dr-plog-amt.minus{color:var(--dr-money)}
.dr-plog em{font-size:11px;color:var(--dr-sub);font-style:normal}

/* 充值套餐 */
.dr-pkg-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.dr-pkg-card{background:#fafbfd;border:1px solid var(--dr-line);border-radius:14px;padding:16px 10px;text-align:center;cursor:pointer;transition:.15s}
.dr-pkg-card:hover{transform:translateY(-3px);border-color:var(--dr-primary);box-shadow:var(--dr-shadow)}
.dr-pkg-pts{font-size:26px;font-weight:800;color:var(--dr-primary)}
.dr-pkg-pts small{font-size:13px;font-weight:600}
.dr-pkg-bonus{color:var(--dr-points);font-size:12px;font-weight:700;margin:2px 0}
.dr-pkg-money{color:var(--dr-sub);font-size:14px;margin-bottom:10px}
.dr-wallet-row{display:flex;flex-wrap:wrap;gap:10px}

/* 订单 */
.dr-order-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.dr-order-item{display:flex;align-items:center;gap:14px;background:#fafbfd;border:1px solid var(--dr-line);border-radius:12px;padding:12px 14px}
.dr-order-main{flex:1;min-width:0}
.dr-order-main b{font-size:14px}
.dr-order-no{font-size:11px;color:var(--dr-sub);margin-left:6px}
.dr-order-detail{margin:3px 0;font-size:12px;color:var(--dr-sub)}
.dr-order-main em{font-size:11px;color:var(--dr-sub);font-style:normal}
.dr-order-right{text-align:right;display:flex;flex-direction:column;gap:5px;align-items:flex-end}
.dr-order-amt{font-weight:800;font-size:15px}
.dr-order-status{font-size:12px;font-weight:700;padding:2px 10px;border-radius:20px}
.dr-order-status.paid{background:#e7f7ee;color:var(--dr-free)}
.dr-order-status.pending{background:#fff4e0;color:#b9740b}
.dr-order-status.refunded{background:#f1f4f8;color:var(--dr-sub)}

/* 个人中心 */
.dr-profile-card{background:var(--dr-grad);border-radius:16px;padding:20px;color:#fff;display:flex;align-items:center;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.dr-profile-avatar{border-radius:50%;border:3px solid rgba(255,255,255,.6)}
.dr-profile-info{flex:1;min-width:140px}
.dr-profile-info b{font-size:18px;display:block}
.dr-profile-info p{margin:2px 0 0;font-size:13px;opacity:.9}
.dr-profile-stats{display:flex;gap:22px}
.dr-profile-stats div{text-align:center}
.dr-profile-stats b{display:block;font-size:20px;font-weight:800}
.dr-profile-stats span{font-size:12px;opacity:.9}

.dr-tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.dr-tab{background:#eef2f8;border:none;cursor:pointer;padding:9px 16px;border-radius:10px;font-weight:700;font-size:14px;color:var(--dr-sub);text-decoration:none}
.dr-tab.active{background:var(--dr-grad);color:#fff}
.dr-tab-panel{display:block}

.dr-list{display:flex;flex-direction:column;gap:8px}
.dr-list-row{display:flex;align-items:center;gap:12px;background:#fafbfd;border:1px solid var(--dr-line);border-radius:10px;padding:11px 14px;flex-wrap:wrap}
.dr-list-title{font-weight:600;color:var(--dr-text);text-decoration:none;flex:1;min-width:160px}
.dr-list-title:hover{color:var(--dr-primary)}
.dr-list-sub{font-size:12px;color:var(--dr-sub)}

.dr-cash-box{background:#fafbfd;border:1px solid var(--dr-line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:12px;max-width:460px}
.dr-cash-box p{margin:0;font-size:14px}

/* 弹窗 */
.dr-modal{position:fixed;inset:0;z-index:100;display:flex;align-items:flex-end;justify-content:center}
.dr-modal[hidden]{display:none}
.dr-modal-mask{position:absolute;inset:0;background:rgba(15,23,42,.5)}
.dr-modal-panel{position:relative;background:#fff;width:100%;max-width:520px;border-radius:18px 18px 0 0;animation:drUp .25s ease}
@keyframes drUp{from{transform:translateY(40px);opacity:.6}to{transform:translateY(0);opacity:1}}
.dr-modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--dr-line)}
.dr-modal-head h3{margin:0;font-size:16px}
.dr-modal-x{border:none;background:none;font-size:18px;cursor:pointer;color:var(--dr-sub)}
.dr-modal-body{padding:18px}
.dr-modal-body textarea{width:100%;border:1px solid var(--dr-line);border-radius:10px;padding:10px;min-height:80px;resize:vertical;font-family:inherit}

/* 后台 */
.dr-admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.dr-admin-list{display:flex;flex-direction:column;gap:8px}
.dr-admin-row{display:flex;align-items:center;gap:12px;background:#fafbfd;border:1px solid var(--dr-line);border-radius:10px;padding:12px 14px;flex-wrap:wrap}
.dr-admin-info{flex:1;min-width:200px}
.dr-admin-info b{font-size:14px}
.dr-admin-info span{display:block;font-size:12px;color:var(--dr-sub);margin:2px 0}
.dr-admin-info em{font-size:11px;color:var(--dr-sub);font-style:normal}
.dr-admin-acts{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dr-admin-pts{border:1px solid var(--dr-line);border-radius:8px;padding:6px}

/* ============ 响应式 ============ */
@media (max-width:980px){
    /* 平板：数字资源页用主题全局底部导航，dr-tabbar 仅在手机端显示 */
    html body{padding-bottom:0 !important}
    .dr-wrap{padding:14px 14px 76px}
    .dr-layout{grid-template-columns:1fr}
    .dr-side{display:none}
    .dr-desktop-only{display:none !important}
    .dr-grid{grid-template-columns:repeat(2,1fr)}
    .dr-pkg-grid{grid-template-columns:repeat(3,1fr)}
    .dr-stage-row{grid-template-columns:repeat(4,1fr);gap:8px}
    .dr-hero-stats{grid-template-columns:repeat(4,1fr);gap:8px;width:100%}
}
@media (max-width:767px){
    /* 数字资源页自带底部导航，隐藏主题全局 dock，避免双层叠加 */
    .mobile-tab-bar{display:none !important}
    html body{padding-bottom:0 !important}

    .dr-wrap{padding:10px 10px 76px}
    .dr-subnav{display:none}
    .dr-hero{flex-direction:column;align-items:stretch;padding:16px 14px;margin-bottom:14px;gap:14px}
    .dr-hero h1{font-size:20px;margin-bottom:6px}
    .dr-hero p{margin-bottom:12px;font-size:13px}
    .dr-searchbar{margin-top:0}
    .dr-hero-stats{grid-template-columns:repeat(2,1fr);gap:8px}
    .dr-stat b{font-size:19px}
    .dr-grid{grid-template-columns:repeat(2,1fr);gap:8px}
    .dr-card-body{padding:10px;gap:5px}
    .dr-stage-row{grid-template-columns:repeat(2,1fr);gap:8px}
    .dr-stage-card{padding:12px 8px}
    .dr-stage-ico{font-size:24px;margin-bottom:4px}
    .dr-chips{gap:6px}
    .dr-chip{padding:6px 12px;font-size:12px}
    .dr-block{background:var(--dr-card);border-radius:var(--dr-radius);padding:14px;margin-bottom:12px;box-shadow:var(--dr-shadow)}
    .dr-block-title{font-size:16px;margin:0 0 10px}
    .dr-block-head{margin-bottom:10px}
    .dr-filters{display:flex;flex-direction:column;gap:8px}
    .dr-filter-line{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
    .dr-filter-label{flex:0 0 auto;font-size:12px;color:var(--dr-sub);margin-right:2px}
    .dr-pkg-grid{grid-template-columns:repeat(2,1fr)}
    .dr-detail-head{flex-direction:column}
    .dr-detail-cover{width:100%;flex:0 0 auto}
    .dr-detail{padding:14px}
    .dr-form-2col{grid-template-columns:1fr}
    .dr-admin-stats{grid-template-columns:repeat(2,1fr)}

    /* 移动端底部导航 */
    .dr-tabbar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;background:#fff;border-top:1px solid var(--dr-line);box-shadow:0 -2px 12px rgba(0,0,0,.06);padding-bottom:env(safe-area-inset-bottom,0px)}
    .dr-tabbar a{flex:1;text-align:center;padding:7px 0;font-size:11px;color:var(--dr-sub);text-decoration:none;display:flex;flex-direction:column;align-items:center;gap:2px}
    .dr-tabbar a span{font-size:18px}
    .dr-tabbar a.active{color:var(--dr-primary);font-weight:700}
    .dr-fab{bottom:64px;right:14px}
    .dr-fab a{width:46px;height:46px;font-size:20px}

    /* 详情页底部操作栏 */
    .dr-actionbar{display:flex;align-items:center;gap:12px;position:fixed;bottom:0;left:0;right:0;z-index:55;background:#fff;border-top:1px solid var(--dr-line);padding:10px 14px;box-shadow:0 -2px 12px rgba(0,0,0,.06)}
    .dr-actionbar .dr-action-price{font-size:16px;font-weight:800}
}
@media (max-width:360px){
    .dr-grid{grid-template-columns:1fr}
    .dr-pkg-grid{grid-template-columns:1fr}
    .dr-stage-row{grid-template-columns:1fr 1fr}
}