* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
        html, body { height: 100%; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
            background: #0D0D0F; color: #fff;
        }
        .wrap {
            max-width: 600px; margin: 0 auto;
            min-height: 100vh;
            display: flex; flex-direction: column;
            position: relative;
            padding-bottom: 40px;
        }

        /* Hero Cover */
        .hero {
            position: relative;
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
        .hero-empty {
            width: 100%; height: 100%; display: flex;
            flex-direction: column; align-items: center; justify-content: center;
            color: #4A4A55; background: #1A1A1E;
        }
        .hero-gradient-top {
            position: absolute; top: 0; left: 0; right: 0;
            height: 120px;
            background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, transparent 100%);
            pointer-events: none;
        }
        .hero-gradient-bottom {
            position: absolute; bottom: 0; left: 0; right: 0;
            height: 160px;
            background: linear-gradient(0deg, #0D0D0F 0%, rgba(13,13,15,0.7) 50%, transparent 100%);
            pointer-events: none;
        }

        /* Back button */
        .back-btn {
            position: absolute; top: 14px; left: 14px; z-index: 10;
            width: 36px; height: 36px;
            background: rgba(0,0,0,0.5);
            backdrop-filter: blur(12px);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            color: #fff; text-decoration: none;
            font-size: 18px; font-weight: 600;
            border: 1px solid rgba(255,255,255,0.12);
            transition: transform 0.15s;
        }
        .back-btn:active { transform: scale(0.9); }

        /* Title overlay */
        .hero-title-area {
            position: absolute; bottom: 24px; left: 20px; right: 20px; z-index: 5;
        }
        .hero-title {
            font-size: 24px; font-weight: 800; color: #fff;
            text-shadow: 0 2px 16px rgba(0,0,0,0.7);
            margin-bottom: 10px;
            line-height: 1.25;
        }
        .hero-meta {
            display: flex; gap: 8px; flex-wrap: wrap;
        }

        .tag {
            display: inline-block; padding: 5px 14px; border-radius: 20px;
            font-size: 12px; font-weight: 600;
            backdrop-filter: blur(10px);
        }
        .tag-purple {
            background: rgba(108,92,231,0.9); color: #fff;
            border: 1px solid rgba(162,155,254,0.45);
        }
        .tag-warn {
            background: rgba(255,169,77,0.9); color: #2a1a00;
            border: 1px solid rgba(255,200,120,0.5);
        }
        .tag-accent {
            background: rgba(0,212,170,0.85); color: #002921;
            border: 1px solid rgba(100,255,220,0.4);
        }

        /* Info Section */
        .info-section {
            padding: 16px 16px 20px;
            margin-top: -8px;
            position: relative;
            z-index: 10;
        }

        /* Action Card - 核心操作（填补中间空白） */
        .action-card {
            background: linear-gradient(180deg, #1F1F26 0%, #16161A 100%);
            border-radius: 20px;
            padding: 16px;
            border: 1px solid rgba(255,255,255,0.07);
            box-shadow: 0 8px 32px rgba(0,0,0,0.4);
            margin-bottom: 16px;
        }
        .action-card-head {
            display: flex; gap: 14px; align-items: center;
            margin-bottom: 14px;
        }
        .action-icon {
            width: 68px; height: 68px; flex-shrink: 0;
            border-radius: 18px;
            background: linear-gradient(135deg, #2A2A32, #1E1E24);
            border: 1px solid rgba(255,255,255,0.08);
            overflow: hidden;
            box-shadow: 0 4px 14px rgba(0,0,0,0.3);
        }
        .action-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
        .action-icon-empty {
            width: 100%; height: 100%;
            display: flex; align-items: center; justify-content: center;
            color: #4A4A55; font-size: 22px; font-weight: 800;
        }
        .action-info { flex: 1; min-width: 0; }
        .action-info-name {
            font-size: 17px; font-weight: 800;
            margin-bottom: 6px;
            color: #fff;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .action-info-stats {
            display: flex; gap: 12px; flex-wrap: wrap;
        }
        .stat-pill {
            display: inline-flex; align-items: center; gap: 4px;
            font-size: 11px; color: #8A8A92; font-weight: 500;
        }
        .stat-pill b { color: #fff; font-weight: 700; font-size: 13px; }

        /* Buttons Row */
        .action-buttons {
            display: flex; gap: 10px;
        }
        .btn-download {
            flex: 1;
            background: linear-gradient(135deg, #6C5CE7 0%, #8B7CF8 50%, #A29BFE 100%);
            color: #fff;
            text-align: center;
            padding: 14px 16px;
            border-radius: 14px;
            font-size: 15px; font-weight: 700;
            text-decoration: none; border: none;
            box-shadow: 0 6px 20px rgba(108,92,231,0.5);
            display: flex; align-items: center; justify-content: center; gap: 7px;
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-download:active { transform: scale(0.97); }
        .btn-download svg { width: 18px; height: 18px; }

        .btn-side {
            width: 56px; flex-shrink: 0;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 14px;
            display: flex; flex-direction: column;
            align-items: center; justify-content: center;
            cursor: pointer;
            font-size: 10px; font-weight: 600;
            gap: 3px;
            transition: all 0.15s;
        }
        .btn-side:active { transform: scale(0.93); }
        .btn-side svg { width: 19px; height: 19px; }
        .btn-team { color: #A29BFE; }
        .btn-report { color: #FF8E8E; }

        /* Description Card */
        .desc-card {
            background: linear-gradient(180deg, #1A1A20 0%, #151519 100%);
            border-radius: 18px;
            padding: 18px 18px;
            border: 1px solid rgba(255,255,255,0.06);
        }

        .section-title {
            font-size: 15px; font-weight: 700; margin-bottom: 12px;
            display: flex; align-items: center; gap: 8px; color: #fff;
        }
        .section-title::before {
            content: ''; width: 3px; height: 15px;
            background: linear-gradient(180deg, #6C5CE7, #A29BFE);
            border-radius: 2px;
        }

        .desc-content {
            font-size: 13px; line-height: 1.75; color: #B0B0B8;
            white-space: pre-wrap; word-break: break-word;
        }

        /* Feedback Modal */
        .modal-mask {
            position: fixed; inset: 0; z-index: 100;
            background: rgba(0,0,0,0.75);
            display: none; align-items: flex-end; justify-content: center;
            padding: 0;
        }
        .modal-mask.show { display: flex; }
        .modal {
            background: #1A1A1E;
            border-radius: 20px 20px 0 0;
            padding: 24px 20px 20px;
            width: 100%; max-width: 600px;
            border-top: 1px solid rgba(255,255,255,0.08);
            animation: slideUp 0.25s ease-out;
        }
        @keyframes slideUp {
            from { transform: translateY(100%); }
            to { transform: translateY(0); }
        }
        .modal-handle {
            width: 36px; height: 4px;
            background: rgba(255,255,255,0.2);
            border-radius: 2px;
            margin: 0 auto 20px;
        }
        .modal-title {
            font-size: 17px; font-weight: 700; margin-bottom: 4px;
            text-align: center;
        }
        .modal-desc {
            font-size: 12px; color: #8A8A92;
            text-align: center; margin-bottom: 18px;
        }
        .report-options {
            display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px;
        }
        .report-opt {
            display: flex; align-items: center; gap: 12px;
            background: #222226;
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 12px; padding: 13px 14px;
            cursor: pointer; font-size: 14px; color: #fff;
            transition: all 0.15s;
        }
        .report-opt:hover, .report-opt.selected {
            background: rgba(108,92,231,0.2);
            border-color: #6C5CE7;
        }
        .report-opt-dot {
            width: 18px; height: 18px; border-radius: 50%;
            border: 2px solid rgba(255,255,255,0.15);
            flex-shrink: 0;
            display: flex; align-items: center; justify-content: center;
            transition: all 0.15s;
        }
        .report-opt.selected .report-opt-dot {
            border-color: #6C5CE7;
            background: #6C5CE7;
        }
        .report-opt.selected .report-opt-dot::after {
            content: ''; width: 7px; height: 7px; border-radius: 50%;
            background: #fff;
        }
        .report-contact {
            width: 100%;
            background: #222226;
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 12px; padding: 12px 14px;
            color: #fff; font-size: 14px; outline: none;
            margin-bottom: 18px;
        }
        .report-contact:focus { border-color: #6C5CE7; }
        .report-contact::placeholder { color: #6E6E78; }
        .modal-btns { display: flex; gap: 10px; }
        .modal-cancel {
            flex: 1; background: #222226;
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 14px;
            color: #B0B0B8; font-size: 15px; font-weight: 600;
            padding: 14px; cursor: pointer;
        }
        .modal-cancel:active { background: #2A2A2E; }
        .modal-submit {
            flex: 1.6;
            background: linear-gradient(135deg, #6C5CE7, #A29BFE);
            border: none; border-radius: 14px;
            color: #fff; font-size: 15px; font-weight: 700;
            padding: 14px; cursor: pointer;
            box-shadow: 0 6px 20px rgba(108,92,231,0.4);
        }
        .modal-submit:active { transform: scale(0.97); }
        .modal-submit:disabled { opacity: 0.5; cursor: not-allowed; }

        .toast {
            position: fixed; bottom: 40px; left: 50%;
            transform: translateX(-50%);
            background: rgba(20,20,24,0.95);
            backdrop-filter: blur(14px);
            color: #fff; padding: 12px 24px;
            border-radius: 24px; font-size: 14px; z-index: 2000;
            opacity: 0; transition: opacity 0.3s; pointer-events: none;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: 0 8px 24px rgba(0,0,0,0.4);
        }
        .toast.show { opacity: 1; }

        /* 抖音分享引导遮罩 */
        .share-guide-overlay {
            position: fixed; inset: 0;
            background: rgba(0,0,0,0.75);
            z-index: 3000;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .share-guide-overlay.show { display: flex; }
        .share-guide-box {
            background: var(--bg-card);
            border-radius: 20px;
            padding: 28px 24px;
            max-width: 340px;
            width: 100%;
            text-align: center;
            border: 1px solid var(--border);
        }
        .share-guide-box h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--text);
        }
        .share-guide-box p {
            font-size: 13px;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .share-guide-url {
            background: var(--bg);
            padding: 10px 14px;
            border-radius: 10px;
            font-size: 12px;
            color: var(--text-2);
            word-break: break-all;
            margin-bottom: 16px;
            border: 1px solid var(--border);
            font-family: monospace;
        }
        .share-guide-actions {
            display: flex;
            gap: 10px;
        }
        .share-guide-actions button {
            flex: 1;
            padding: 12px 16px;
            border-radius: 12px;
            border: none;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
        }
        .btn-copy-link {
            background: linear-gradient(135deg, #6C5CE7, #8B7CF8);
            color: #fff;
        }
        .btn-close-guide {
            background: var(--bg-card-2);
            color: var(--text-2);
        }