/* ============ 基础 ============ */
/* 全局重置仅首页(beta-home,首页为全新布局);其他页面保留原有样式与容器居中 */
html.beta.beta-home *{ margin: 0; padding: 0; box-sizing: border-box; }
html.beta{
            --bg: #f7f8fa;
            --ink: #1a1d23;
            --ink-soft: #5a6270;
            --ink-faint: #8b93a3;
            --line: #e8eaee;
            --brand: #3b82f6;
            --brand-deep: #2563eb;
            --card: #ffffff;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-1: 0 1px 2px rgba(16,24,40,.04), 0 4px 12px rgba(16,24,40,.06);
            --shadow-2: 0 2px 4px rgba(16,24,40,.05), 0 24px 48px -20px rgba(16,24,40,.18);
        }
html.beta{ scroll-behavior: smooth; }
html.beta body{
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
html.beta a{ text-decoration: none; color: inherit; }

        /* ============ 导航 ============ */
html.beta .nav{
            position: sticky; top: 0; z-index: 100;
            display: flex; align-items: center; justify-content: space-between;
            padding: 0 48px; height: 64px;
            background: rgba(255,255,255,.72);
            -webkit-backdrop-filter: blur(20px) saturate(1.5);
            backdrop-filter: blur(20px) saturate(1.5);
            border-bottom: 1px solid var(--line);
        }
html.beta .nav-logo{
            display: flex; align-items: center; gap: 10px;
            font-size: 1.15rem; font-weight: 800; letter-spacing: .3px;
        }
html.beta .nav-logo .dot{
            width: 10px; height: 10px; border-radius: 3px;
            background: linear-gradient(135deg, var(--brand), #8b5cf6);
        }
html.beta .nav-menu{ display: flex; gap: 4px; }
html.beta .nav-menu a{
            padding: 8px 16px; border-radius: 999px;
            font-size: .92rem; color: var(--ink-soft);
            transition: all .25s ease;
        }
html.beta .nav-menu a:hover{ color: var(--ink); background: rgba(59,130,246,.08); }
html.beta .nav-menu a.active{ color: var(--brand); background: rgba(59,130,246,.1); font-weight: 600; }
html.beta .nav-cta{
            padding: 9px 20px; border-radius: 999px;
            background: var(--brand); color: #fff; font-size: .9rem; font-weight: 600;
            box-shadow: 0 8px 20px -8px rgba(59,130,246,.5);
            transition: all .25s ease;
        }
html.beta .nav-cta:hover{ background: var(--brand-deep); transform: translateY(-1px); box-shadow: 0 12px 24px -8px rgba(59,130,246,.6); }

        /* ============ Hero ============ */
html.beta.beta-home .hero{
            position: relative; overflow: hidden;
            padding: 120px 48px 150px; text-align: center;
            background: linear-gradient(160deg, #0f172a 0%, #1e293b 55%, #312e81 100%);
        }
html.beta.beta-home .hero::before{
            content: ''; position: absolute; inset: 0; pointer-events: none;
            background:
                radial-gradient(600px 300px at 15% 10%, rgba(59,130,246,.25), transparent 60%),
                radial-gradient(500px 300px at 85% 20%, rgba(139,92,246,.22), transparent 60%);
        }
html.beta.beta-home .hero::after{
            content: ''; position: absolute; inset: 0; pointer-events: none;
            background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
            background-size: 32px 32px;
            mask-image: linear-gradient(to bottom, rgba(0,0,0,.6), transparent 70%);
            -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.6), transparent 70%);
        }
        /* Hero → 背景色的柔和过渡 */
html.beta.beta-home .hero-fade{
            position: absolute; left: 0; right: 0; bottom: 0; height: 110px; z-index: 1;
            background: linear-gradient(to bottom, transparent, var(--bg));
            pointer-events: none;
        }
html.beta.beta-home .hero-inner{ position: relative; z-index: 2; max-width: 860px; margin: 0 auto; }
html.beta.beta-home .hero-badge{
            display: inline-block;
            padding: 6px 16px; border-radius: 999px;
            font-size: .8rem; font-weight: 500; letter-spacing: .5px;
            color: #c7d2fe; background: rgba(255,255,255,.08);
            border: 1px solid rgba(255,255,255,.14);
            margin-bottom: 28px;
        }
html.beta.beta-home .hero h1{
            font-size: 3.2rem; font-weight: 900; letter-spacing: .5px;
            color: #fff; line-height: 1.2; margin-bottom: 20px;
        }
html.beta.beta-home .hero h1 .grad{
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text; background-clip: text; color: transparent;
        }
html.beta.beta-home .hero p{
            font-size: 1.12rem; color: rgba(255,255,255,.72); font-weight: 300;
            max-width: 620px; margin: 0 auto 40px; letter-spacing: .3px;
        }
html.beta.beta-home .hero-btns{ display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
html.beta.beta-home .hero-btn{
            padding: 14px 32px; border-radius: 999px; font-size: .98rem; font-weight: 600;
            transition: all .25s ease;
        }
html.beta.beta-home .hero-btn.primary{
            background: linear-gradient(135deg, var(--brand), #6366f1); color: #fff;
            box-shadow: 0 16px 32px -12px rgba(59,130,246,.55);
        }
html.beta.beta-home .hero-btn.primary:hover{ transform: translateY(-2px); box-shadow: 0 20px 40px -12px rgba(59,130,246,.65); }
html.beta.beta-home .hero-btn.ghost{
            color: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.22);
            background: rgba(255,255,255,.04);
        }
html.beta.beta-home .hero-btn.ghost:hover{ background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.4); }
        /* LOGO 视频 */
html.beta.beta-home .hero-video{
            max-width: 720px; margin: 36px auto 0;
            border-radius: 18px; overflow: hidden;
            border: 3px solid rgba(255,255,255,.22);
            box-shadow: 0 24px 60px -20px rgba(0,0,0,.6);
        }
html.beta.beta-home .hero-video video{ display: block; width: 100%; }
        /* 滚动提示 */
html.beta.beta-home .hero-scroll{
            position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
            z-index: 2; color: rgba(255,255,255,.5); font-size: 1.3rem;
            animation: bob 2.2s ease-in-out infinite;
        }
        @keyframes bob { 0%,100% { transform: translate(-50%,0); } 50% { transform: translate(-50%,7px); } }

        /* ============ 数据条 ============ */
html.beta.beta-home .stats{
            display: flex; justify-content: center; gap: 20px;
            padding: 0 24px; margin-top: -58px; position: relative; z-index: 3;
            flex-wrap: wrap;
        }
html.beta.beta-home .stat{
            background: var(--card); border: 1px solid var(--line);
            border-radius: var(--radius-md); padding: 18px 34px;
            text-align: center; min-width: 140px;
            box-shadow: var(--shadow-1);
            transition: transform .3s ease, box-shadow .3s ease;
        }
html.beta.beta-home .stat:hover{ transform: translateY(-3px); box-shadow: var(--shadow-2); }
html.beta.beta-home .stat .num{ font-size: 1.7rem; font-weight: 800; color: var(--ink); letter-spacing: .5px; }
html.beta.beta-home .stat .num small{ font-size: 1rem; font-weight: 700; color: var(--brand); }
html.beta.beta-home .stat .label{ font-size: .82rem; color: var(--ink-faint); margin-top: 2px; }

        /* ============ 区块通用 ============ */
html.beta.beta-home .section{ max-width: 1080px; margin: 0 auto; padding: 80px 24px; }
html.beta.beta-home .section-head{ text-align: center; margin-bottom: 48px; }
html.beta.beta-home .section-eyebrow{
            display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: 2px;
            color: var(--brand); text-transform: uppercase; margin-bottom: 12px;
        }
html.beta.beta-home .section-head h2{ font-size: 2rem; font-weight: 800; letter-spacing: .3px; }
html.beta.beta-home .section-head p{ color: var(--ink-soft); margin-top: 10px; font-size: 1rem; }

        /* ============ 核心功能 ============ */
html.beta.beta-home .grid{ display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
html.beta.beta-home .card{
            background: var(--card); border-radius: var(--radius-lg);
            padding: 28px 24px; border: 1px solid var(--line);
            box-shadow: var(--shadow-1);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
html.beta.beta-home .card:hover{
            transform: translateY(-4px);
            box-shadow: var(--shadow-2);
            border-color: rgba(59,130,246,.35);
        }
html.beta.beta-home .card .ico{
            width: 48px; height: 48px; border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.5rem; margin-bottom: 18px;
        }
        /* 每张卡片专属的低饱和渐变图标底 */
html.beta.beta-home .card:nth-child(1) .ico{ background: linear-gradient(135deg, #dbeafe, #eff6ff); }
html.beta.beta-home .card:nth-child(2) .ico{ background: linear-gradient(135deg, #e0e7ff, #eef2ff); }
html.beta.beta-home .card:nth-child(3) .ico{ background: linear-gradient(135deg, #f3e8ff, #faf5ff); }
html.beta.beta-home .card:nth-child(4) .ico{ background: linear-gradient(135deg, #cffafe, #ecfeff); }
html.beta.beta-home .card:nth-child(5) .ico{ background: linear-gradient(135deg, #ffe4e6, #fff1f2); }
html.beta.beta-home .card:nth-child(6) .ico{ background: linear-gradient(135deg, #fef3c7, #fffbeb); }
html.beta.beta-home .card:nth-child(7) .ico{ background: linear-gradient(135deg, #d1fae5, #ecfdf5); }
html.beta.beta-home .card:nth-child(8) .ico{ background: linear-gradient(135deg, #e2e8f0, #f1f5f9); }
html.beta.beta-home .card:nth-child(9) .ico{ background: linear-gradient(135deg, #ffedd5, #fff7ed); }
html.beta.beta-home .card:nth-child(10) .ico{ background: linear-gradient(135deg, #e0f2fe, #f0f9ff); }
html.beta.beta-home .card:nth-child(11) .ico{ background: linear-gradient(135deg, #fce7f3, #fdf2f8); }
html.beta.beta-home .card h3{ font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
html.beta.beta-home .card p{ font-size: .88rem; color: var(--ink-soft); line-height: 1.7; }
html.beta.beta-home .card .go{
            display: inline-block; margin-top: 16px; font-size: .85rem; font-weight: 600;
            color: var(--brand); transition: color .25s ease;
        }
html.beta.beta-home .card:hover .go{ color: var(--brand-deep); }

        /* ============ 视频区 ============ */
html.beta.beta-home .video-grid{ display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
html.beta.beta-home .vcard{
            background: var(--card); border-radius: var(--radius-lg); overflow: hidden;
            border: 1px solid var(--line); box-shadow: var(--shadow-1);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
html.beta.beta-home .vcard:hover{ transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: rgba(59,130,246,.35); }
html.beta.beta-home .vcard .thumb{
            position: relative; height: 140px;
            display: flex; align-items: center; justify-content: center;
            font-size: 2.6rem; background: #eef1f6;
        }
html.beta.beta-home .vcard .thumb img{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
html.beta.beta-home .vcard .thumb .dur{
            position: absolute; right: 8px; bottom: 8px; z-index: 1;
            background: rgba(0,0,0,.72); color: #fff;
            font-size: .72rem; padding: 2px 8px; border-radius: 999px;
        }
html.beta.beta-home .vcard:nth-child(1) .thumb{ background: linear-gradient(135deg, rgba(59,130,246,.14), rgba(139,92,246,.14)); }
html.beta.beta-home .vcard:nth-child(2) .thumb{ background: linear-gradient(135deg, rgba(245,158,11,.14), rgba(239,68,68,.14)); }
html.beta.beta-home .vcard:nth-child(3) .thumb{ background: linear-gradient(135deg, rgba(16,185,129,.14), rgba(59,130,246,.14)); }
html.beta.beta-home .vcard:nth-child(4) .thumb{ background: linear-gradient(135deg, rgba(139,92,246,.14), rgba(236,72,153,.14)); }
        /* 播放按钮 */
html.beta.beta-home .vcard .thumb .play{
            position: absolute; width: 44px; height: 44px; border-radius: 50%;
            background: rgba(255,255,255,.9); color: var(--brand);
            display: flex; align-items: center; justify-content: center;
            font-size: .95rem; box-shadow: 0 8px 20px -6px rgba(0,0,0,.25);
            opacity: 0; transform: scale(.8);
            transition: all .3s ease;
        }
html.beta.beta-home .vcard:hover .thumb .play{ opacity: 1; transform: scale(1); }
html.beta.beta-home .vcard .body{ padding: 18px; }
html.beta.beta-home .vcard h4{ font-size: .98rem; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
html.beta.beta-home .vcard .meta{ font-size: .8rem; color: var(--ink-faint); }

        /* ============ 公司理念 ============ */
html.beta.beta-home .about-grid{
            display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: start;
        }
html.beta.beta-home .about-text .section-eyebrow{ margin-bottom: 12px; }
html.beta.beta-home .about-text h2{ font-size: 1.9rem; font-weight: 800; line-height: 1.35; margin-bottom: 18px; }
html.beta.beta-home .about-text h2 .grad{
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text; background-clip: text; color: transparent;
        }
html.beta.beta-home .about-text p{ color: var(--ink-soft); font-size: .95rem; line-height: 1.9; margin-bottom: 14px; }
html.beta.beta-home .about-text p b{ color: var(--ink); font-weight: 700; }
html.beta.beta-home .about-sign{ font-size: .95rem; font-weight: 700; color: var(--ink); margin-top: 20px; }
html.beta.beta-home .about-sign span{ color: var(--ink-faint); font-weight: 500; font-size: .82rem; margin-left: 8px; }
html.beta.beta-home .about-tags{ display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
html.beta.beta-home .about-tags .tag{
            font-size: .8rem; color: var(--ink-soft);
            background: #fff; border: 1px solid var(--line);
            padding: 7px 14px; border-radius: 999px;
            box-shadow: var(--shadow-1);
        }
html.beta.beta-home .about-tags .tag b{ color: var(--brand); font-weight: 700; }
html.beta.beta-home .about-cards{ display: flex; flex-direction: column; gap: 16px; }
html.beta.beta-home .about-card{
            display: flex; gap: 18px; align-items: flex-start;
            background: var(--card); border: 1px solid var(--line);
            border-radius: var(--radius-md); padding: 22px 24px;
            box-shadow: var(--shadow-1);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
html.beta.beta-home .about-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: rgba(59,130,246,.35); }
html.beta.beta-home .about-card .ico{
            width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
            display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
        }
html.beta.beta-home .about-card:nth-child(1) .ico{ background: linear-gradient(135deg, #dbeafe, #eff6ff); }
html.beta.beta-home .about-card:nth-child(2) .ico{ background: linear-gradient(135deg, #e0e7ff, #eef2ff); }
html.beta.beta-home .about-card:nth-child(3) .ico{ background: linear-gradient(135deg, #f3e8ff, #faf5ff); }
html.beta.beta-home .about-card h4{ font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
html.beta.beta-home .about-card h4 em{ font-style: normal; color: var(--ink-faint); font-weight: 500; font-size: .85rem; margin-left: 8px; }
html.beta.beta-home .about-card p{ font-size: .85rem; color: var(--ink-soft); line-height: 1.75; }

        /* ============ 友商 ============ */
html.beta.beta-home .friends-section{ background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
html.beta.beta-home .friends-grid{ display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
html.beta.beta-home .friend{
            display: flex; align-items: center; gap: 14px;
            background: var(--bg); border: 1px solid var(--line);
            border-radius: var(--radius-md); padding: 16px 18px;
            transition: all .3s ease;
        }
html.beta.beta-home .friend:hover{
            transform: translateY(-3px);
            border-color: rgba(59,130,246,.4);
            background: #fff;
            box-shadow: var(--shadow-2);
        }
html.beta.beta-home .friend .logo{
            width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.15rem; font-weight: 800; color: #fff;
        }
html.beta.beta-home .friend:nth-child(1) .logo{ background: linear-gradient(135deg, #60a5fa, #3b82f6); }
html.beta.beta-home .friend:nth-child(2) .logo{ background: linear-gradient(135deg, #a78bfa, #8b5cf6); }
html.beta.beta-home .friend:nth-child(3) .logo{ background: linear-gradient(135deg, #34d399, #10b981); }
html.beta.beta-home .friend:nth-child(4) .logo{ background: linear-gradient(135deg, #fbbf24, #f59e0b); }
html.beta.beta-home .friend:nth-child(5) .logo{ background: linear-gradient(135deg, #f472b6, #ec4899); }
html.beta.beta-home .friend:nth-child(6) .logo{ background: linear-gradient(135deg, #38bdf8, #06b6d4); }
html.beta.beta-home .friend:nth-child(7) .logo{ background: linear-gradient(135deg, #94a3b8, #64748b); }
html.beta.beta-home .friend:nth-child(8) .logo{ background: linear-gradient(135deg, #f87171, #ef4444); }
html.beta.beta-home .friend:nth-child(9) .logo{ background: linear-gradient(135deg, #2dd4bf, #14b8a6); }
html.beta.beta-home .friend:nth-child(10) .logo{ background: linear-gradient(135deg, #c084fc, #a855f7); }
html.beta.beta-home .friend:nth-child(11) .logo{ background: linear-gradient(135deg, #fda4af, #f43f5e); }
html.beta.beta-home .friend .info{ flex: 1; min-width: 0; }
html.beta.beta-home .friend .name{ font-size: .98rem; font-weight: 700; display: flex; align-items: center; gap: 6px; }
html.beta.beta-home .friend .name .arrow{ color: var(--ink-faint); font-size: .8rem; transition: all .25s ease; }
html.beta.beta-home .friend:hover .name .arrow{ color: var(--brand); transform: translateX(3px); }
html.beta.beta-home .friend .desc{
            font-size: .8rem; color: var(--ink-faint);
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px;
        }

        /* ============ CTA ============ */
html.beta.beta-home .cta{ text-align: center; padding: 76px 24px; background: linear-gradient(135deg, #1e293b, #312e81); color: #fff; }
html.beta.beta-home .cta h2{ font-size: 1.8rem; font-weight: 800; margin-bottom: 14px; }
html.beta.beta-home .cta p{ color: rgba(255,255,255,.7); margin-bottom: 32px; font-weight: 300; }

        /* ============ 页脚 ============ */
html.beta.beta-home .footer{ background: #0f172a; color: #94a3b8; padding: 56px 48px 32px; }
html.beta.beta-home .footer-grid{
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
            max-width: 1080px; margin: 0 auto;
        }
html.beta.beta-home .footer h5{ color: #e2e8f0; font-size: .92rem; font-weight: 700; margin-bottom: 16px; }
html.beta.beta-home .footer a{ display: block; color: #94a3b8; font-size: .88rem; margin-bottom: 10px; transition: color .2s; }
html.beta.beta-home .footer a:hover{ color: #fff; }
html.beta.beta-home .footer .brand{ font-size: 1.1rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
html.beta.beta-home .footer .brand .dot{
            width: 10px; height: 10px; border-radius: 3px; display: inline-block;
            background: linear-gradient(135deg, var(--brand), #8b5cf6); margin-right: 8px;
        }
html.beta.beta-home .footer .desc{ font-size: .85rem; line-height: 1.8; margin-bottom: 20px; }
html.beta.beta-home .footer-bottom{
            max-width: 1080px; margin: 40px auto 0; padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,.08);
            font-size: .8rem; color: #64748b; text-align: center;
        }

        /* ============ 动效 ============ */
html.beta .reveal{ opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
html.beta .reveal.in{ opacity: 1; transform: none; }
        /* 悬浮上浮(置于 .reveal.in 之后,覆盖其 transform:none,保证渐显完成后悬停仍生效) */
html.beta.beta-home .stat:hover, html.beta.beta-home .card:hover, html.beta.beta-home .vcard:hover, html.beta.beta-home .friend:hover, html.beta.beta-home .about-card:hover{
            transform: translateY(-4px);
            transition: transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s ease, border-color .3s ease, background .3s ease;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 760px) {
html.beta .nav{ padding: 0 20px; }
html.beta .nav-menu{ display: none; }
html.beta.beta-home .hero{ padding: 80px 20px 110px; }
html.beta.beta-home .hero h1{ font-size: 2.2rem; }
html.beta.beta-home .stats{ gap: 12px; }
html.beta.beta-home .stat{ min-width: 120px; padding: 14px 18px; }
html.beta.beta-home .about-grid{ grid-template-columns: 1fr; gap: 36px; }
html.beta.beta-home .friends-grid{ grid-template-columns: 1fr; }
html.beta.beta-home .footer-grid{ grid-template-columns: 1fr; gap: 28px; }
        }
    

/* ============ 测试版适配:登录区/旧浮动按钮/容器重置 ============ */
html.beta body { padding: 0; }
/* 官网模式非首页:容器明确 1080 居中(防止任何规则干扰拉伸) */
html.beta .container { max-width: 1080px; margin: 0 auto; }
/* 仅首页(html.beta.beta-home)容器全宽供Hero通栏 */
html.beta.beta-home .container { max-width: none; padding: 0; margin: 0; }
html.beta .auth-area { position: fixed; top: 14px; right: 14px; z-index: 300; display: flex; gap: 8px; background: rgba(15,23,42,.55); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,.16); border-radius: 999px; padding: 5px 6px; box-shadow: none; }
html.beta .auth-btn, html.beta .profile-btn { background: rgba(255,255,255,.14); color: #fff; border: none; border-radius: 999px; padding: 7px 16px; font-size: .88rem; cursor: pointer; transition: background .25s ease; }
html.beta .auth-btn:hover, html.beta .profile-btn:hover { background: rgba(255,255,255,.28); color: #fff; }
html.beta .fixed-buttons { display: none !important; }
html.beta .nav-cta { display: none; }
html.beta .nav-auth-group { display: flex; gap: 8px; }
html.beta .nav-auth {
    padding: 8px 18px; border-radius: 999px;
    background: rgba(255,255,255,.6); color: var(--ink);
    border: 1px solid var(--line);
    font-size: .88rem; font-weight: 600; cursor: pointer;
    transition: all .25s ease; white-space: nowrap;
}
html.beta .nav-auth:hover { background: #fff; border-color: rgba(59,130,246,.4); }
html.beta .nav-auth.primary {
    background: linear-gradient(135deg, var(--brand), #6366f1);
    border-color: transparent; color: #fff;
    box-shadow: 0 8px 20px -8px rgba(59,130,246,.5);
}
html.beta .nav-auth.primary:hover { background: linear-gradient(135deg, #2563eb, #4f46e5); color: #fff; }
@media (max-width: 760px) {
    html.beta .nav-auth-group { gap: 6px; }
    html.beta .nav-auth { padding: 7px 12px; font-size: .8rem; }
}
@media (max-width: 760px) { html.beta .auth-area { position: static; margin: 10px auto 0; } }

/* ============ 测试版UI:公告区(数据条之后,有公告才显示) ============ */
html.beta .beta-announce {
    display: flex; align-items: center; gap: 14px;
    max-width: 1080px; margin: 26px auto 0; padding: 16px 22px;
    background: linear-gradient(135deg, #ffffff, #f8faff);
    border: 1px solid rgba(59,130,246,.18);
    border-left: 4px solid var(--brand);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-1);
}
html.beta .beta-announce .ba-icon {
    width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
    background: linear-gradient(135deg, #dbeafe, #eff6ff);
}
html.beta .beta-announce .ba-title {
    flex-shrink: 0; font-size: .82rem; font-weight: 700; color: var(--brand);
    background: rgba(59,130,246,.08); border-radius: 999px; padding: 4px 12px;
}
html.beta .beta-announce .ba-track-wrap {
    flex: 1; overflow: hidden; min-width: 0;
}
html.beta .beta-announce .ba-track {
    display: inline-block; white-space: nowrap; will-change: transform;
}
html.beta .beta-announce .ba-item {
    display: inline-block; white-space: nowrap; padding-right: 80px;
    font-size: .92rem; color: var(--ink-soft);
}
html.beta .beta-announce a { color: var(--brand); text-decoration: underline; }
html.beta .beta-announce a:hover { color: var(--brand-deep); }
@keyframes baMarquee {
    from { transform: translateX(0); }
    to { transform: translateX(var(--ba-shift, -200px)); }
}
@media (max-width: 760px) {
    html.beta .beta-announce { align-items: flex-start; flex-wrap: wrap; }
}

/* ============ 测试版UI:其他页面官网化 ============ */
/* 页面原有导航由 injectBetaPageNav 注入成功后 JS 隐藏(避免旧JS+新CSS缓存错位时页面无导航) */
/* 页面横幅:深色官网风(覆盖内联青蓝渐变) */
html.beta #uiPageBanner {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 55%, #312e81 100%) !important;
    box-shadow: 0 24px 60px -24px rgba(0,0,0,.55) !important;
}
/* 深色导航下的快速导航文字与页面标题微调 */
html.beta h1, html.beta h2 { letter-spacing: .3px; }
/* 共享组件宽度限制:无.container的页面(称号/成就/抽奖/个人中心/注册)导航不再全宽拉伸,统一1080居中;首页(beta-home)导航保持全宽 */
html.beta .nav { max-width: 1080px; margin-left: auto; margin-right: auto; }
html.beta.beta-home .nav { max-width: none; margin-left: 0; margin-right: 0; }
html.beta .beta-quick { margin-left: auto; margin-right: auto; max-width: 1080px; }
html.beta #uiPageBanner { max-width: 1080px; margin-left: auto; margin-right: auto; }

/* ============ 测试版UI:非首页快捷入口栏(导航栏下方,与导航同风格) ============ */
html.beta .beta-quick {
    display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
    background: rgba(255,255,255,.55);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.7);
    border-radius: 16px; padding: 10px 16px; margin-bottom: 24px;
}
html.beta .beta-quick .bq-label {
    font-size: .82rem; font-weight: 700; color: var(--brand);
    white-space: nowrap; margin-right: 4px;
}
html.beta .beta-quick a {
    padding: 6px 14px; border-radius: 999px; font-size: .88rem;
    color: var(--ink-soft); background: rgba(255,255,255,.6);
    border: 1px solid transparent; transition: all .25s ease; white-space: nowrap;
}
html.beta .beta-quick a:hover {
    color: var(--brand); background: #fff; border-color: rgba(59,130,246,.35);
}
@media (max-width: 760px) {
    html.beta .beta-quick { gap: 6px; padding: 8px 12px; }
    html.beta .beta-quick a { padding: 5px 10px; font-size: .82rem; }
}