:root {
            --bg-deep: #f0f4fa;
            --bg-base: #ffffff;
            --bg-elevated: #eef2f8;
            --glass: rgba(255, 255, 255, 0.72);
            --glass-hover: rgba(255, 255, 255, 0.92);
            --glass-border: rgba(0, 0, 0, 0.06);
            --glass-border-hover: rgba(0, 0, 0, 0.14);
            --gold: #E8940C;
            --gold-soft: #F5B820;
            --gold-glow: rgba(232, 148, 12, 0.12);
            --cyan: #0891B2;
            --cyan-glow: rgba(8, 145, 178, 0.1);
            --magenta: #DC2D6E;
            --magenta-glow: rgba(220, 45, 110, 0.08);
            --green: #16A34A;
            --green-glow: rgba(22, 163, 74, 0.08);
            --purple: #7C3AED;
            --purple-glow: rgba(124, 58, 237, 0.08);
            --text: #1a1f36;
            --text-mid: #4a5470;
            --text-dim: #7b8499;
            --text-faint: #a8b0c4;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --t: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --t-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }

        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background: var(--bg-deep);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        /* ===== 动态背景 ===== */
        .bg-mesh {
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            background:
                radial-gradient(ellipse 60% 50% at 20% 15%, rgba(232, 148, 12, 0.07) 0%, transparent 60%),
                radial-gradient(ellipse 50% 40% at 80% 25%, rgba(8, 145, 178, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse 55% 45% at 50% 65%, rgba(124, 58, 237, 0.05) 0%, transparent 60%),
                radial-gradient(ellipse 40% 35% at 15% 80%, rgba(220, 45, 110, 0.04) 0%, transparent 60%),
                var(--bg-deep);
        }

        .bg-grid {
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px);
            background-size: 50px 50px;
            mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
            -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
        }

        #particleCanvas {
            position: fixed;
            inset: 0;
            z-index: 1;
            pointer-events: none;
            opacity: 0.35;
        }

        .content-layer { position: relative; z-index: 2; }

        /* ===== 导航栏 ===== */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(24px) saturate(140%);
            -webkit-backdrop-filter: blur(24px) saturate(140%);
            border-bottom: 1px solid var(--glass-border);
            transition: var(--t);
        }

        .navbar.scrolled {
            background: rgba(255, 255, 255, 0.92);
            border-bottom-color: rgba(232, 148, 12, 0.12);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }

        .navbar-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 28px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text);
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: -0.5px;
        }

        .nav-logo .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 16px rgba(232, 148, 12, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.3);
            position: relative;
            overflow: hidden;
        }

        .nav-logo .logo-mark::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.25) 50%, transparent 60%);
            animation: shimmer 3s ease-in-out infinite;
        }

        @keyframes shimmer {
            0%, 100% { transform: translateX(-100%); }
            50% { transform: translateX(100%); }
        }

        .nav-logo .logo-text {
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            gap: 6px;
            align-items: center;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-mid);
            font-size: 0.88rem;
            padding: 8px 18px;
            border-radius: 22px;
            transition: var(--t);
            font-weight: 500;
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--text);
            background: rgba(0, 0, 0, 0.04);
        }

        .nav-links .nav-hot {
            background: linear-gradient(135deg, rgba(232, 148, 12, 0.12), rgba(255, 122, 0, 0.08));
            color: var(--gold);
            border: 1px solid rgba(232, 148, 12, 0.18);
            font-weight: 600;
        }

        .nav-links .nav-hot:hover {
            background: linear-gradient(135deg, rgba(232, 148, 12, 0.18), rgba(255, 122, 0, 0.12));
            box-shadow: 0 2px 12px rgba(232, 148, 12, 0.12);
        }

        @media (max-width: 640px) {
            .navbar-inner { height: 54px; padding: 0 14px; }
            .nav-logo { font-size: 1.05rem; gap: 8px; }
            .nav-logo .logo-mark { width: 32px; height: 32px; font-size: 1.05rem; border-radius: 10px; }
            .nav-links .hide-mobile { display: none; }
            .nav-links a { padding: 6px 12px; font-size: 0.8rem; }
        }

        /* ===== Hero ===== */
        .hero {
            max-width: 1280px;
            margin: 0 auto;
            padding: 56px 28px 24px;
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            color: var(--gold);
            padding: 7px 18px;
            border-radius: 24px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 22px;
            letter-spacing: 0.3px;
            box-shadow: var(--shadow-soft);
        }

        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--green);
            box-shadow: 0 0 8px rgba(22, 163, 74, 0.5);
            animation: pulse-glow 1.5s ease-in-out infinite;
        }

        @keyframes pulse-glow {
            0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(22, 163, 74, 0.5); }
            50% { opacity: 0.5; box-shadow: 0 0 4px rgba(22, 163, 74, 0.3); }
        }

        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.15;
            margin-bottom: 14px;
        }

        .hero h1 .line1 { color: var(--text); }

        .hero h1 .gradient-text {
            background: linear-gradient(135deg, var(--gold), #FF7A00, var(--magenta), var(--purple));
            background-size: 300% auto;
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: gradient-flow 5s ease-in-out infinite;
        }

        @keyframes gradient-flow {
            0%, 100% { background-position: 0% center; }
            50% { background-position: 100% center; }
        }

        .hero .subtitle {
            font-size: 1.05rem;
            color: var(--text-mid);
            max-width: 620px;
            margin: 0 auto 32px;
            line-height: 1.65;
        }

        /* ===== 统计仪表盘 ===== */
        .stats-dash {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .stat-ring {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-lg);
            padding: 20px 28px;
            min-width: 140px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: var(--t-spring);
            box-shadow: var(--shadow-soft);
        }

        .stat-ring::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, var(--accent-color, var(--gold-glow)) 0%, transparent 60%);
            opacity: 0.4;
            transition: var(--t);
        }

        .stat-ring:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: var(--shadow-md);
        }

        .stat-ring:hover::before { opacity: 0.7; }

        .stat-ring .stat-num {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1;
            position: relative;
            z-index: 1;
        }

        .stat-ring:nth-child(1) .stat-num { color: var(--gold); }
        .stat-ring:nth-child(2) .stat-num { color: var(--cyan); }
        .stat-ring:nth-child(3) .stat-num { color: var(--green); }
        .stat-ring:nth-child(4) .stat-num { color: var(--purple); }

        .stat-ring .stat-label {
            font-size: 0.76rem;
            color: var(--text-dim);
            margin-top: 6px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.5px;
        }

        @media (max-width: 640px) {
            .hero { padding: 32px 16px 16px; }
            .hero .subtitle { font-size: 0.9rem; }
            .stats-dash { gap: 10px; }
            .stat-ring { padding: 14px 16px; min-width: calc(50% - 5px); border-radius: var(--radius); }
            .stat-ring .stat-num { font-size: 1.5rem; }
            .stat-ring .stat-label { font-size: 0.68rem; }
        }

        /* ===== 搜索与筛选 ===== */
        .filter-bar {
            max-width: 1280px;
            margin: 0 auto;
            padding: 12px 28px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .search-wrap {
            position: relative;
            flex: 1;
            min-width: 240px;
            max-width: 400px;
        }

        .search-wrap input {
            width: 100%;
            padding: 14px 46px 14px 20px;
            border-radius: 28px;
            border: 1px solid var(--glass-border);
            font-size: 0.95rem;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--t);
            outline: none;
            color: var(--text);
        }

        .search-wrap input::placeholder { color: var(--text-faint); }

        .search-wrap input:focus {
            border-color: rgba(232, 148, 12, 0.35);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(232, 148, 12, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
        }

        .search-wrap .icon-search {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.1rem;
            color: var(--text-faint);
            pointer-events: none;
            transition: var(--t);
        }

        .search-wrap input:focus ~ .icon-search { color: var(--gold); }

        .filter-pills {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .pill {
            padding: 10px 20px;
            border-radius: 24px;
            border: 1px solid var(--glass-border);
            cursor: pointer;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: var(--t);
            white-space: nowrap;
            color: var(--text-mid);
            user-select: none;
        }

        .pill:hover {
            border-color: var(--glass-border-hover);
            color: var(--text);
            background: #fff;
            box-shadow: var(--shadow-soft);
        }

        .pill.active {
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            color: #fff;
            border-color: transparent;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(232, 148, 12, 0.22);
        }

        @media (max-width: 640px) {
            .filter-bar { padding: 8px 14px 14px; gap: 8px; }
            .search-wrap { min-width: 100%; max-width: 100%; }
            .pill { padding: 8px 14px; font-size: 0.78rem; border-radius: 20px; }
        }

        /* ===== 排名领奖台 ===== */
        .podium-section {
            max-width: 1280px;
            margin: 0 auto;
            padding: 20px 28px 10px;
        }

        .podium-title {
            text-align: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 4px;
            letter-spacing: -0.5px;
        }

        .podium-subtitle {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-dim);
            margin-bottom: 24px;
        }

        .podium {
            display: flex;
            justify-content: center;
            align-items: flex-end;
            gap: 14px;
            flex-wrap: wrap;
        }

        .podium-card {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-lg);
            padding: 22px 18px 18px;
            text-align: center;
            transition: var(--t-spring);
            position: relative;
            overflow: hidden;
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            min-width: 160px;
            box-shadow: var(--shadow-soft);
        }

        .podium-card:hover {
            transform: translateY(-8px);
            border-color: var(--glass-border-hover);
            box-shadow: var(--shadow-lg);
        }

        .podium-card .medal {
            position: absolute;
            top: -2px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 2rem;
            filter: drop-shadow(0 2px 6px rgba(0,0,0,0.12));
            z-index: 3;
        }

        .podium-card.rank-1 {
            background: linear-gradient(180deg, rgba(232, 148, 12, 0.1), var(--glass));
            border-color: rgba(232, 148, 12, 0.2);
            padding-top: 30px;
            min-width: 200px;
        }

        .podium-card.rank-1::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -30%;
            width: 160%;
            height: 160%;
            background: radial-gradient(circle, var(--gold-glow) 0%, transparent 60%);
            pointer-events: none;
        }

        .podium-card.rank-2 {
            background: linear-gradient(180deg, rgba(120, 130, 145, 0.08), var(--glass));
            border-color: rgba(120, 130, 145, 0.15);
            padding-top: 28px;
        }

        .podium-card.rank-3 {
            background: linear-gradient(180deg, rgba(180, 100, 40, 0.08), var(--glass));
            border-color: rgba(180, 100, 40, 0.15);
            padding-top: 28px;
        }

        .podium-card .podium-logo {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            overflow: hidden;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
            position: relative;
            z-index: 1;
        }

        .podium-card .podium-logo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .podium-card .podium-logo .fallback {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
        }

        .podium-card .podium-name {
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--text);
            position: relative;
            z-index: 1;
        }

        .podium-card .podium-desc {
            font-size: 0.75rem;
            color: var(--text-dim);
            line-height: 1.3;
            position: relative;
            z-index: 1;
        }

        .podium-card .podium-stat {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--gold);
            background: rgba(232, 148, 12, 0.1);
            padding: 3px 12px;
            border-radius: 12px;
            position: relative;
            z-index: 1;
        }

        .podium-card.rank-2 .podium-stat { color: #6b7280; background: rgba(107, 114, 128, 0.1); }
        .podium-card.rank-3 .podium-stat { color: #B45309; background: rgba(180, 83, 9, 0.1); }

        @media (max-width: 640px) {
            .podium-section { padding: 12px 14px 6px; }
            .podium { gap: 8px; }
            .podium-card { min-width: 100px; padding: 18px 12px 14px; }
            .podium-card.rank-1 { min-width: 120px; padding-top: 24px; }
            .podium-card .podium-logo { width: 44px; height: 44px; border-radius: 12px; }
            .podium-card .podium-name { font-size: 0.9rem; }
            .podium-card .podium-desc { font-size: 0.68rem; }
            .podium-card .podium-stat { font-size: 0.7rem; }
            .podium-card .medal { font-size: 1.5rem; }
        }

        /* ===== APP 网格 ===== */
        .grid-section {
            max-width: 1280px;
            margin: 0 auto;
            padding: 10px 28px 30px;
        }

        .app-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        @media (max-width: 1024px) { .app-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; } }
        @media (max-width: 680px) { .app-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; } .grid-section { padding: 6px 10px 20px; } }

        /* ===== APP 卡片 ===== */
        .app-card {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-lg);
            padding: 22px 16px 18px;
            text-align: center;
            cursor: pointer;
            transition: var(--t-spring);
            position: relative;
            overflow: hidden;
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            z-index: 1;
            box-shadow: var(--shadow-soft);
        }

        .app-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--card-accent, var(--gold));
            transform: scaleX(0);
            transition: var(--t-spring);
            transform-origin: center;
        }

        .app-card::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--card-glow, var(--gold-glow)) 0%, transparent 70%);
            opacity: 0;
            transition: var(--t);
            pointer-events: none;
        }

        .app-card:hover {
            transform: translateY(-6px);
            border-color: var(--glass-border-hover);
            background: var(--glass-hover);
            box-shadow: var(--shadow-lg);
        }

        .app-card:hover::before { transform: scaleX(1); }
        .app-card:hover::after { opacity: 0.5; top: -40px; right: -40px; }

        .app-card:active { transform: scale(0.97); transition: 0.12s; }

        .app-card .rank-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            font-size: 0.68rem;
            font-weight: 800;
            color: var(--text-dim);
            padding: 2px 8px;
            border-radius: 8px;
            background: rgba(0, 0, 0, 0.04);
            z-index: 2;
        }

        .app-card .hot-tag {
            position: absolute;
            top: 10px;
            right: 10px;
            background: linear-gradient(135deg, var(--magenta), #FF3D00);
            color: #fff;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 10px;
            letter-spacing: 0.3px;
            box-shadow: 0 3px 10px rgba(220, 45, 110, 0.25);
            z-index: 2;
            animation: hot-pulse 2.5s ease-in-out infinite;
        }

        @keyframes hot-pulse {
            0%, 100% { box-shadow: 0 3px 10px rgba(220, 45, 110, 0.25); }
            50% { box-shadow: 0 3px 18px rgba(220, 45, 110, 0.4); }
        }

        .app-card .logo-container {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
            transition: var(--t);
        }

        .app-card:hover .logo-container {
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12), 0 0 16px var(--card-glow, var(--gold-glow));
            border-radius: 20px;
        }

        .app-card .logo-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: var(--t);
        }

        .app-card:hover .logo-container img { transform: scale(1.08); }

        .app-card .logo-container .logo-fallback {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            position: absolute;
            top: 0;
            left: 0;
            opacity: 0;
            transition: opacity 0.2s ease;
        }

        .app-card .logo-container.img-failed .logo-fallback { opacity: 1; }
        .app-card .logo-container.img-failed img { opacity: 0; }

        .app-card .app-name {
            font-weight: 800;
            font-size: 1rem;
            color: var(--text);
            letter-spacing: -0.2px;
            line-height: 1.2;
        }

        .app-card .app-desc {
            font-size: 0.76rem;
            color: var(--text-dim);
            line-height: 1.35;
            margin-top: -2px;
        }

        /* 收益仪表 */
        .earning-meter {
            width: 100%;
            margin-top: 4px;
            padding: 0 4px;
        }

        .earning-meter .meter-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.66rem;
            color: var(--text-dim);
            margin-bottom: 4px;
            font-weight: 600;
        }

        .earning-meter .meter-label .meter-val {
            color: var(--card-accent, var(--gold));
            font-weight: 700;
        }

        .earning-meter .meter-bar {
            height: 4px;
            background: rgba(0, 0, 0, 0.06);
            border-radius: 2px;
            overflow: hidden;
        }

        .earning-meter .meter-fill {
            height: 100%;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--card-accent, var(--gold)), var(--card-accent-light, var(--gold-soft)));
            width: 0;
            transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 0 6px var(--card-glow, var(--gold-glow));
        }

        .app-card .card-btn {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 9px 24px;
            border-radius: 22px;
            background: rgba(0, 0, 0, 0.03);
            border: 1px solid var(--glass-border);
            color: var(--text-mid);
            font-weight: 600;
            font-size: 0.8rem;
            transition: var(--t);
            margin-top: 2px;
            letter-spacing: 0.3px;
        }

        .app-card:hover .card-btn {
            background: linear-gradient(135deg, var(--card-accent, var(--gold)), var(--card-accent-light, #FF7A00));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 6px 18px var(--card-glow, var(--gold-glow));
        }

        /* 快速信息标签 */
        .app-card .quick-info {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 2px;
        }

        .app-card .info-chip {
            font-size: 0.62rem;
            color: var(--text-dim);
            background: rgba(0, 0, 0, 0.03);
            padding: 2px 8px;
            border-radius: 8px;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

        .app-card .info-chip.green { color: var(--green); border-color: rgba(22, 163, 74, 0.12); }
        .app-card .info-chip.cyan { color: var(--cyan); border-color: rgba(8, 145, 178, 0.12); }

        @media (max-width: 680px) {
            .app-card { padding: 16px 10px 14px; border-radius: var(--radius); gap: 7px; }
            .app-card .logo-container { width: 48px; height: 48px; border-radius: 14px; }
            .app-card .app-name { font-size: 0.88rem; }
            .app-card .app-desc { font-size: 0.68rem; }
            .app-card .card-btn { padding: 7px 16px; font-size: 0.72rem; border-radius: 18px; }
            .app-card .hot-tag { top: 6px; right: 6px; font-size: 0.58rem; padding: 2px 7px; }
            .app-card .rank-tag { top: 6px; left: 6px; font-size: 0.62rem; }
            .earning-meter .meter-label { font-size: 0.58rem; }
            .app-card .info-chip { font-size: 0.56rem; padding: 1px 6px; }
        }

        /* ===== 收益计算器 ===== */
        .calc-section {
            max-width: 1280px;
            margin: 0 auto;
            padding: 16px 28px 30px;
        }

        .calc-panel {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .calc-panel::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -50px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .calc-panel::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -50px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .calc-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .calc-header .calc-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 14px rgba(232, 148, 12, 0.22);
        }

        .calc-header h2 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
        }

        .calc-header .calc-sub {
            font-size: 0.82rem;
            color: var(--text-dim);
        }

        .calc-body {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 28px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .calc-controls {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .calc-slider-group label {
            display: block;
            font-size: 0.82rem;
            color: var(--text-mid);
            margin-bottom: 8px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .calc-slider-group label .val {
            color: var(--gold);
            font-size: 0.95rem;
            font-weight: 800;
        }

        .calc-slider-group input[type="range"] {
            width: 100%;
            height: 6px;
            border-radius: 3px;
            background: rgba(0, 0, 0, 0.06);
            outline: none;
            -webkit-appearance: none;
            appearance: none;
            cursor: pointer;
        }

        .calc-slider-group input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            box-shadow: 0 2px 10px rgba(232, 148, 12, 0.35);
            cursor: pointer;
            border: 2px solid #fff;
        }

        .calc-slider-group input[type="range"]::-moz-range-thumb {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            box-shadow: 0 2px 10px rgba(232, 148, 12, 0.35);
            cursor: pointer;
            border: 2px solid #fff;
        }

        .calc-result {
            text-align: center;
            min-width: 200px;
        }

        .calc-result .result-label {
            font-size: 0.78rem;
            color: var(--text-dim);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .calc-result .result-val {
            font-size: 2.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            letter-spacing: -1px;
        }

        .calc-result .result-unit {
            font-size: 0.9rem;
            color: var(--text-mid);
            margin-top: 4px;
        }

        .calc-result .result-month {
            font-size: 0.82rem;
            color: var(--green);
            margin-top: 8px;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .calc-body { grid-template-columns: 1fr; gap: 20px; }
            .calc-result { min-width: auto; }
            .calc-result .result-val { font-size: 2.2rem; }
        }

        @media (max-width: 640px) {
            .calc-section { padding: 10px 14px 20px; }
            .calc-panel { padding: 20px 16px; border-radius: var(--radius-lg); }
            .calc-header h2 { font-size: 1.15rem; }
            .calc-header .calc-icon { width: 36px; height: 36px; font-size: 1.1rem; }
        }

        /* ===== 关于我们 ===== */
        .about-section {
            max-width: 1280px;
            margin: 0 auto 30px;
            padding: 0 28px;
        }

        .about-panel {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .about-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 30%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .about-title {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            letter-spacing: -0.5px;
            position: relative;
            z-index: 1;
        }

        .about-title .accent {
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .about-text {
            color: var(--text-mid);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .about-text:last-child { margin-bottom: 0; }

        .about-highlight {
            display: inline-block;
            background: rgba(232, 148, 12, 0.1);
            color: var(--gold);
            padding: 2px 9px;
            border-radius: 6px;
            font-weight: 600;
            border: 1px solid rgba(232, 148, 12, 0.15);
        }

        /* 信任指标 */
        .trust-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 22px;
            position: relative;
            z-index: 1;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 0, 0, 0.02);
            border: 1px solid var(--glass-border);
            padding: 10px 16px;
            border-radius: 14px;
            font-size: 0.82rem;
            color: var(--text-mid);
            font-weight: 500;
        }

        .trust-item .check {
            color: var(--green);
            font-size: 1rem;
        }

        @media (max-width: 640px) {
            .about-section { padding: 0 14px; margin-bottom: 20px; }
            .about-panel { padding: 22px 18px; border-radius: var(--radius-lg); }
            .about-title { font-size: 1.2rem; }
            .about-text { font-size: 0.86rem; }
            .trust-item { padding: 8px 12px; font-size: 0.76rem; }
        }

        /* ===== 底部 ===== */
        .footer-wrapper {
            max-width: 1280px;
            margin: 0 auto;
            padding: 32px 28px 24px;
            text-align: center;
            border-top: 1px solid var(--glass-border);
            position: relative;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 4px 2px;
            margin-bottom: 16px;
            font-size: 0.88rem;
        }

        .footer-links a {
            color: var(--text-mid);
            text-decoration: none;
            padding: 6px 12px;
            border-radius: 14px;
            transition: var(--t);
            font-weight: 500;
            white-space: nowrap;
        }

        .footer-links a:hover {
            color: var(--gold);
            background: rgba(232, 148, 12, 0.06);
        }

        .footer-links .link-sep {
            color: var(--text-faint);
            font-size: 0.75rem;
            pointer-events: none;
            user-select: none;
        }

        .footer-copy {
            font-size: 0.78rem;
            color: var(--text-faint);
            letter-spacing: 0.3px;
        }

        .footer-copy a {
            color: var(--text-dim);
            text-decoration: none;
            transition: var(--t);
        }

        .footer-copy a:hover { color: var(--gold); }

        @media (max-width: 640px) {
            .footer-wrapper { padding: 22px 14px 18px; }
            .footer-links { font-size: 0.78rem; gap: 2px 0; }
            .footer-links a { padding: 5px 8px; border-radius: 10px; }
            .footer-copy { font-size: 0.7rem; }
        }

        /* ===== 回到顶部 ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.85);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            cursor: pointer;
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text-mid);
            transition: var(--t-spring);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            box-shadow: var(--shadow-md);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .back-to-top:hover {
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 8px 24px rgba(232, 148, 12, 0.3);
            transform: translateY(-4px);
        }

        @media (max-width: 640px) {
            .back-to-top { bottom: 18px; right: 14px; width: 40px; height: 40px; font-size: 1.1rem; }
        }

        /* ===== 无结果 ===== */
        .no-result {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-dim);
            font-size: 1rem;
            grid-column: 1 / -1;
        }

        .no-result .emoji {
            font-size: 3rem;
            display: block;
            margin-bottom: 12px;
            opacity: 0.4;
        }

        /* ===== 卡片入场动画 ===== */
        .app-card {
            animation: card-in 0.55s ease-out both;
        }

        @keyframes card-in {
            from { opacity: 0; transform: translateY(24px) scale(0.95); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        .podium-card {
            animation: podium-in 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
        }

        @keyframes podium-in {
            from { opacity: 0; transform: translateY(30px) scale(0.9); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }