:root{--bg:#1b1c1e;--purple:#5b1596;--blue:#514da2}*{box-sizing:border-box}body{margin:0;background:#0b0c10;color:#fff;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.app{max-width:430px;min-height:100vh;margin:0 auto;background:var(--bg);position:relative;padding-bottom:112px;overflow-x:hidden}.phone-header{height:72px;background:#171717;padding:22px 12px 0}.phone-header h1{text-align:center;font-size:20px;font-weight:500;margin:0}.page{padding:12px}.course-tabs{display:flex;background:#282b2c;border-radius:24px;margin:0 0 12px;overflow:hidden}.course-tabs a{flex:1;text-align:center;color:#fff;text-decoration:none;font-size:19px;font-weight:800;padding:14px 0}.course-tabs a.active{background:linear-gradient(90deg,#4b128c,#6b18a8);border-radius:24px}.notice-bar{height:32px;background:#fff;border-radius:18px;color:#111;display:flex;align-items:center;overflow:hidden;margin-bottom:12px}.notice-bar span{color:#bbb;margin:0 16px}.avatar-row{display:flex;gap:22px;overflow-x:auto;padding:0 0 8px}.avatar-item{min-width:62px;text-align:center}.avatar{width:58px;height:58px;border-radius:50%;background:#777;margin:auto}.a1{background:linear-gradient(135deg,#4b1e19,#d7854d)}.a2{background:radial-gradient(circle at 55% 35%,#222 0 35%,#f4d4cd 36% 64%,#ddd 65%)}.a3{background:radial-gradient(circle,#fff1ec 0 32%,#111 33% 68%,#f7f7f7 69%)}.a4{background:radial-gradient(circle at 65% 60%,#ffe0db 0 35%,#3a1d1d 36% 68%,#fde6e6 69%)}.a5{background:radial-gradient(circle,#eee 0 35%,#111 36% 70%,#d8f3ff 71%)}.avatar-item strong{display:block;margin-top:6px;font-size:16px}.date-title{font-family:Georgia,serif;font-size:27px;margin:16px 0 12px}.video-card{display:block;position:relative;overflow:hidden;text-decoration:none;color:#fff;filter:blur(.1px)}.video-card:before,.fake-player:before{content:"";position:absolute;inset:-8px;filter:blur(10px);background:inherit}.video-card span,.fake-player span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-family:Georgia,serif;font-size:16px;z-index:1}.large-card{height:230px;border-radius:22px;margin-bottom:18px}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.grid-card{aspect-ratio:1/1;border-radius:18px}.large1{background:linear-gradient(120deg,#ddd,#b7aaa0 40%,#c69775 55%,#eee)}.large2{background:linear-gradient(120deg,#b98b60,#e7b99a 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b{display:block;font-size:27px;line-height:1}.profile-card{display:flex;align-items:center;gap:18px;padding:8px 4px 26px}.profile-avatar{flex:0 0 auto}.login-entry{font-size:20px;color:#fff;text-decoration:none}.profile-info p{margin:0 0 8px;color:#7d7e83}.profile-info strong{font-size:20px;font-family:Georgia,serif}.payment-box{margin-left:auto;text-align:center;color:#888}.payment-box button{border:0;background:#5551aa;color:#fff;border-radius:12px;padding:8px 22px;font-size:16px}.menu-list{display:flex;flex-direction:column;gap:22px}.menu-item{position:relative;display:block;width:100%;padding:0 28px 0 0;color:#8e8f94;background:none;border:0;text-align:left;text-decoration:none;font-size:21px}.menu-item small{display:block;font-size:14px;margin-top:5px;color:#5f6064}.menu-item span{position:absolute;right:0;color:#aaa}.vip-mask{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:30;display:none;align-items:flex-end;justify-content:center}.vip-mask.show{display:flex}.vip-sheet{max-width:430px;width:100%;background:#fff;color:#111;border-radius:14px 14px 0 0;padding:12px}.package-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.package-card{height:80px;border:0;border-radius:10px;background:linear-gradient(135deg,#f37243,#ef493f);color:#fff;font-weight:800}.package-card.selected{outline:2px solid #3f58b8}.package-card strong{display:block;font-size:24px}.package-card span{font-size:15px}.vip-rights{border:1px solid #eee;border-radius:12px;margin:12px 0;padding:18px;color:#999;line-height:1.7}.vip-rights h3{margin:0 0 8px;color:#111;font-size:24px;font-family:Georgia,serif}.confirm-buy,.login-form button{width:100%;height:62px;border:0;border-radius:10px;background:#514da2;color:#fff;font-size:19px}.login-form{margin:40px auto;background:#222;padding:24px;border-radius:18px;display:flex;flex-direction:column;gap:14px}.login-form input{height:46px;border-radius:10px;border:0;padding:0 14px}.login-form p{color:#888}.fake-player{height:230px;border-radius:18px;position:relative;overflow:hidden}.locked-tip{background:#252525;color:#aaa;border-radius:14px;padding:16px}.splash-body{background:#050510}.splash-screen{max-width:430px;height:100vh;margin:auto;background:#fff;color:#111;border-radius:44px;position:relative;text-align:center;padding-top:120px}.splash-logo{width:90px;height:90px;margin:30px auto 0;background:#050505;border-radius:18px;display:grid;place-items:center}.splash-logo span{font-size:60px;font-weight:900;background:linear-gradient(135deg,#ffb06a,#56c5e0,#f45186);-webkit-background-clip:text;color:transparent}.splash-screen h1{font-size:24px}.spinner{width:24px;height:24px;border:4px solid #ddd;border-top-color:#aaa;border-radius:50%;animation:spin 1s linear infinite;position:absolute;left:50%;top:68%;margin-left:-12px}.home-indicator{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);width:160px;height:6px;background:#999;border-radius:4px}@keyframes spin{to{transform:rotate(360deg)}}

.setup-tip,.form-error{background:#3a2818;color:#ffdca8;border-radius:12px;padding:12px;margin-bottom:12px}.avatar{background:center/cover no-repeat}.video-card{background:#333}.video-card img{width:100%;height:100%;object-fit:cover;filter:blur(5px);transform:scale(1.05)}.profile-info em{display:block;color:#999;font-style:normal;font-size:12px;margin-top:5px}.confirm-link{display:block;text-align:center;text-decoration:none;width:100%;height:62px;line-height:62px;border:0;border-radius:10px;background:#514da2;color:#fff;font-size:19px}.ghost-btn{background:#333!important}.amount-input{height:46px;border-radius:10px;border:1px solid #ddd;padding:0 14px;width:100%}.real-player,.player-cover{width:100%;height:230px;border-radius:18px;background:#000;object-fit:cover}.player-cover{position:relative;overflow:hidden}.player-cover img{width:100%;height:100%;object-fit:cover;filter:blur(8px)}.player-cover div{position:absolute;inset:0;display:grid;place-items:center;font-size:22px;font-weight:800}.locked-tip a{color:#fff}.sheet-title{margin:8px 0 12px}.notice-text{white-space:nowrap;animation:marquee 12s linear infinite}@keyframes marquee{from{transform:translateX(100%)}to{transform:translateX(-100%)}}
.admin-body{background:#eef1f6;color:#222}.admin-layout{min-height:100vh;display:flex}.admin-sidebar{position:fixed;left:0;top:0;bottom:0;width:246px;background:linear-gradient(180deg,#171923,#11131b);color:#fff;padding:22px 16px;box-shadow:8px 0 24px #0001;z-index:50}.admin-brand{padding:8px 8px 24px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:18px}.admin-brand strong{display:block;font-size:28px;letter-spacing:2px}.admin-brand span{display:block;margin-top:6px;color:#9499ad;font-size:13px}.admin-sidebar-note{position:absolute;left:16px;right:16px;bottom:20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px;color:#999fb5;font-size:12px;line-height:1.6}.admin-nav{display:flex;flex-direction:column;gap:8px}.admin-nav a{display:flex;align-items:center;gap:10px;color:#c9ccda;text-decoration:none;border-radius:12px;padding:13px 14px;font-weight:700;transition:.2s}.admin-nav a span{width:22px;text-align:center}.admin-nav a:hover,.admin-nav a.active{background:#514da2;color:#fff;box-shadow:0 8px 18px rgba(81,77,162,.28)}.admin-main{flex:1;margin-left:246px;min-width:0}.admin-topbar{position:sticky;top:0;z-index:20;height:92px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid #e8eaf0;display:flex;align-items:center;justify-content:space-between;padding:0 30px}.admin-topbar p{margin:0 0 4px;color:#8b90a0;font-size:13px}.admin-topbar h1{margin:0;font-size:26px}.admin-preview,.admin-cards a,.admin-actions a{background:#514da2;color:#fff;text-decoration:none;border-radius:10px;padding:10px 16px}.admin-content{padding:28px 30px 40px;max-width:1320px}.admin-desc{color:#666;background:#fff;border-radius:16px;padding:16px;margin:0 0 18px;box-shadow:0 8px 24px #00000008}.admin-panel{background:#fff;border:1px solid #e8eaf0;border-radius:18px;padding:20px;margin:0 0 20px;box-shadow:0 12px 30px #00000009}.admin-intro{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;background:linear-gradient(135deg,#fff,#f8f7ff)}.admin-intro h2{margin:0 0 8px;font-size:22px}.admin-intro p{margin:0;color:#666;line-height:1.7}.admin-intro ul{margin:0;min-width:320px;color:#666;line-height:1.8}.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin:18px 0}.admin-card{background:#fff;border-radius:16px;padding:22px;box-shadow:0 8px 24px #00000008;border:1px solid #eef0f5}.admin-card strong{display:block;font-size:34px;color:#514da2}.admin-card span{color:#666}.metric-card{position:relative;overflow:hidden}.metric-card em{position:absolute;right:18px;top:16px;font-style:normal;font-size:32px;opacity:.18}.metric-card small{display:block;margin-top:8px;color:#9aa0ad}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:0 0 20px}.admin-stats div{background:#fff;border:1px solid #e8eaf0;border-radius:16px;padding:18px;box-shadow:0 8px 24px #00000008}.admin-stats span{display:block;color:#7b8190}.admin-stats strong{font-size:28px;color:#514da2}.admin-actions{display:flex;gap:10px;flex-wrap:wrap;background:#fff;border-radius:16px;padding:18px;box-shadow:0 8px 24px #00000008}.professional-actions{display:grid;grid-template-columns:repeat(4,1fr)}.professional-actions a{padding:18px;background:linear-gradient(135deg,#514da2,#6b55c8)}.professional-actions strong,.professional-actions span{display:block}.professional-actions span{font-size:12px;opacity:.75;margin-top:6px}.admin-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.admin-form{display:block}.admin-form h2{margin:0 0 14px}.admin-form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.admin-form label{display:flex;flex-direction:column;gap:6px;font-weight:700;color:#555}.admin-form 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0}.admin-flash.error,.admin-flash.danger{background:#fff0f0;color:#a32222}.admin-filter{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.admin-table-wrap{overflow:auto;background:#fff;border-radius:14px}.admin-table{width:100%;border-collapse:collapse;margin-top:10px;background:#fff}.admin-table th,.admin-table td{border-bottom:1px solid #eef0f5;padding:12px;text-align:left;vertical-align:middle}.admin-table th{background:#fafbff;color:#555;white-space:nowrap;font-size:13px}.admin-table strong{display:block}.admin-table small{display:block;color:#8d93a1;margin-top:4px}.admin-table img,.admin-thumb{width:72px;height:48px;object-fit:cover;border-radius:10px;background:#eef0f5}.admin-table input{width:160px;margin:2px}.admin-table select{width:130px}.admin-badge{display:inline-block;background:#eef0ff;color:#514da2;border-radius:999px;padding:4px 9px;font-weight:800;font-size:12px}.admin-badge.vip{background:#efe8ff;color:#5b1596}.admin-badge.free{background:#e8fff0;color:#16804b}.admin-badge.muted{background:#f1f2f5;color:#7b8190}.admin-plus{color:#16804b}.admin-minus{color:#c24141}.admin-user-cell{display:flex;align-items:center;gap:10px}.admin-user-cell img{width:46px;height:46px;border-radius:50%}.admin-actions-cell{min-width:360px}.admin-inline-form{display:flex;gap:6px;align-items:center;margin:4px 0}.admin-inline-form button{margin-top:0;padding:9px 12px}.admin-two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:20px}.admin-kpi{display:flex;align-items:baseline;gap:10px;border-bottom:1px solid #eef0f5;padding:16px 0}.admin-kpi span{color:#666}.admin-kpi strong{font-size:30px;color:#514da2}.admin-kpi small{color:#999}.admin-workflow ol{margin:0;padding-left:22px}.admin-workflow li{margin:12px 0}.admin-workflow strong{display:block}.admin-workflow span{color:#777}.admin-panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.admin-panel-title h2{margin:0}.admin-panel-title a{color:#514da2;text-decoration:none}.admin-list{display:flex;flex-direction:column;gap:10px}.admin-list a{display:flex;align-items:center;gap:12px;text-decoration:none;color:#222;border:1px solid #eef0f5;border-radius:14px;padding:10px}.admin-list img{width:68px;height:48px;object-fit:cover;border-radius:10px}.admin-list span{flex:1}.admin-list small{display:block;color:#8d93a1;margin-top:4px}.admin-list em{font-style:normal;color:#514da2;font-weight:800}.admin-tabs{display:flex;gap:8px;margin-bottom:14px}.admin-tabs a{padding:10px 14px;border-radius:999px;background:#f1f2f7;color:#666;text-decoration:none;font-weight:800}.admin-tabs a.active{background:#514da2;color:#fff}@media(max-width:1100px){.stats-grid,.professional-actions,.admin-two-col{grid-template-columns:1fr 1fr}.admin-intro{display:block}.admin-intro ul{min-width:0;margin-top:12px}}@media(max-width:860px){.admin-layout{display:block}.admin-sidebar{position:relative;width:auto;bottom:auto}.admin-sidebar-note{position:static;margin-top:14px}.admin-main{margin-left:0}.admin-nav{display:grid;grid-template-columns:repeat(2,1fr)}.admin-topbar{height:auto;padding:18px;align-items:flex-start}.admin-content{padding:18px}.admin-preview{display:none}.stats-grid,.professional-actions,.admin-two-col{grid-template-columns:1fr}.admin-actions-cell{min-width:260px}.admin-inline-form{flex-wrap:wrap}}

.page-home{padding-top:14px}.avatar-row{scrollbar-width:none}.avatar-row::-webkit-scrollbar{display:none}.avatar-item{position:relative;color:#fff;text-decoration:none;border-radius:18px;padding:2px 2px 6px;transition:.2s}.avatar-item .avatar{border:2px solid transparent;box-shadow:0 0 0 0 rgba(91,21,150,0)}.avatar-item.active .avatar{border-color:#8c36ff;box-shadow:0 0 0 3px rgba(140,54,255,.22)}.avatar-item.active strong{color:#fff;text-shadow:0 0 10px rgba(140,54,255,.7)}.avatar-item em{display:block;min-height:18px;margin-top:4px;color:#a9d7ff;font-style:normal;font-size:13px;line-height:1}.home-empty{min-height:430px;display:grid;place-items:center;color:#777;text-align:center}.home-empty span{display:block;font-size:72px;line-height:1;filter:saturate(1.15)}.home-empty p{margin:12px 0 0;color:#6d7075}.video-large-list{display:flex;flex-direction:column}.admin-table code,.admin-desc code{background:#f3f4f8;border-radius:6px;padding:2px 6px;color:#514da2}.admin-panel-title a{font-weight:800}.admin-panel .admin-desc{box-shadow:none;border:1px solid #eef0f5}.admin-table .admin-thumb[src$="avatar.svg"],.admin-table td:nth-child(2) .admin-thumb{background:#f4f5f9}.admin-avatar-thumb{width:54px!important;height:54px!important;border-radius:50%!important}.admin-nav a span{font-family:"Apple Color Emoji","Segoe UI Emoji",sans-serif}

.sub-page{padding-top:18px}.sub-panel,.content-card,.mobile-form{background:#222427;border:1px solid #2d3034;border-radius:18px;padding:18px;margin-bottom:14px}.sub-panel h2,.content-card h2,.mobile-form h2{margin:0 0 8px;font-size:22px}.sub-panel p,.content-card p{margin:0;color:#aaa;line-height:1.8}.empty-state{min-height:360px;display:grid;place-items:center;text-align:center;color:#898b90;line-height:2}.empty-state a{color:#fff}.learned-list{display:flex;flex-direction:column;gap:12px}.learned-item{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;background:#222427;border-radius:14px;padding:10px}.learned-item img{width:92px;height:62px;object-fit:cover;border-radius:12px;filter:blur(2px)}.learned-item div{flex:1;min-width:0}.learned-item strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.learned-item small{display:block;color:#888;margin-top:6px}.mobile-form{display:flex;flex-direction:column;gap:12px}.mobile-form label{display:flex;flex-direction:column;gap:8px;color:#aaa}.mobile-form input{height:44px;border:0;border-radius:10px;padding:0 12px;background:#fff;color:#111}.mobile-form input[type=file]{height:auto;padding:10px}.mobile-form button,.contact-card button,.logout-btn{height:48px;border:0;border-radius:10px;background:#514da2;color:#fff;font-size:16px;text-align:center;text-decoration:none;display:grid;place-items:center}.form-avatar{margin:0}.form-success{background:#183827;color:#a8ffd0;border-radius:12px;padding:12px;margin-bottom:12px}.contact-card{display:flex;flex-direction:column;gap:12px}.contact-card p{margin-bottom:6px}.settings-list{gap:18px}.menu-item.danger{color:#e56b6b}.logout-btn{margin-top:24px;background:#333}.payment-box span{display:block;margin-top:6px;font-size:13px}

/* 个人中心：头像固定在左侧，隐藏充值/余额区域，贴近截图布局 */
.page-profile .profile-card{justify-content:flex-start;align-items:center;gap:18px;padding:20px 18px 34px 18px}.page-profile .profile-avatar{width:64px;height:64px;margin:0;flex:0 0 64px;border:1px solid rgba(255,255,255,.16);box-shadow:0 4px 14px rgba(0,0,0,.22)}.page-profile .profile-info{flex:1;min-width:0;text-align:left}.page-profile .profile-info p{margin:0 0 8px;color:#85868b;font-size:15px;line-height:1.2}.page-profile .profile-info strong{display:block;color:#f4f4f4;font-size:20px;line-height:1.25;letter-spacing:.5px}.page-profile .profile-info em{display:block;color:#8b8c91;font-style:normal;font-size:12px;margin-top:6px}.page-profile .login-entry{display:block;text-align:left;font-size:20px;color:#fff;text-decoration:none}.page-profile .payment-box{display:none!important}