/* ============================================================
               CSS 自定义属性
            ============================================================ */
        :root {
            --brand-indigo: #4f46e5;
            --brand-violet: #7c3aed;
            --brand-blue: #3b82f6;
            --brand-ink: #111827;
            --brand-gold: #d97706;
            --brand-mint: #10b981;
            --brand-coral: #f43f5e;
            --metal-950: #0b0f17;
            --metal-900: #111827;
            --metal-800: #1f2937;
            --metal-700: #334155;
            --champagne: #d6a85f;
            --champagne-light: #f6dfb5;
            --steel-blue: #2f6f8f;
            --siri-blue: #40C9FF;
            --siri-purple: #AF52DE;
            --siri-pink: #FF2D55;
            --siri-cyan: #5AC8FA;
            --siri-yellow: #FFD60A;
            --surface-primary: #fafafa;
            --surface-card: #ffffff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-tertiary: #94a3b8;
            --border-light: #e2e8f0;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.09), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-premium: 0 34px 100px rgba(15, 23, 42, 0.15), 0 12px 34px rgba(15, 23, 42, 0.07);
            --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
            --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
            --ease-in-out-smooth: cubic-bezier(0.4, 0, 0.2, 1);
            --duration-normal: 350ms;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: "SF Pro Display", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
            background:
                linear-gradient(175deg, #f9fafb 0%, #fafbfd 30%, #f5f7fa 60%, #fefefe 100%),
                radial-gradient(ellipse 90% 60% at 8% 8%, rgba(249, 168, 37, 0.1), transparent 36%),
                radial-gradient(ellipse 70% 70% at 88% 12%, rgba(59, 130, 246, 0.08), transparent 38%),
                radial-gradient(ellipse 60% 50% at 72% 88%, rgba(16, 185, 129, 0.06), transparent 32%),
                radial-gradient(ellipse 50% 40% at 42% 52%, rgba(99, 102, 241, 0.04), transparent 40%);
            color: var(--text-primary);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            line-height: 1.6;
            margin: 0;
        }

        ::selection {
            color: #fff;
            background: rgba(79, 70, 229, 0.88);
        }

        #app::before {
            content: '';
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            opacity: 0.28;
            background-image:
                linear-gradient(115deg, transparent 0 34%, rgba(15, 23, 42, 0.03) 34.2% 34.6%, transparent 34.8% 100%),
                linear-gradient(155deg, transparent 0 58%, rgba(217, 119, 6, 0.04) 58.2% 58.8%, transparent 59% 100%);
            background-size: 460px 460px, 620px 620px;
            mask-image: linear-gradient(to bottom, black, transparent 78%);
            -webkit-mask-image: linear-gradient(to bottom, black, transparent 78%);
        }

        /* ============================================================
               背景系统
            ============================================================ */
        .ambient-layer {
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            overflow: hidden;
            contain: layout style paint;
        }

        .orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(130px);
            opacity: 0.16;
            animation: orbFloat 50s ease-in-out infinite;
            mix-blend-mode: multiply;
        }

        .orb-1 {
            width: 52vw;
            height: 52vw;
            background: linear-gradient(135deg, #bfdbfe, #c7d2fe);
            top: -10%;
            left: -16%;
            animation-delay: 0s;
        }

        .orb-2 {
            width: 40vw;
            height: 40vw;
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            bottom: -12%;
            right: -14%;
            animation-delay: -9s;
        }

        .orb-3 {
            width: 34vw;
            height: 34vw;
            background: linear-gradient(135deg, #a7f3d0, #d1fae5);
            top: 46%;
            left: 44%;
            animation-delay: -18s;
        }

        @keyframes orbFloat {
            0%,
            100% {
                transform: translate(0, 0) scale(1);
            }
            25% {
                transform: translate(25px, -40px) scale(1.06);
            }
            50% {
                transform: translate(-18px, 22px) scale(0.94);
            }
            75% {
                transform: translate(32px, 15px) scale(1.04);
            }
        }

        .bg-grid {
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            contain: layout style paint;
            background-size: 48px 48px;
            background-image:
                linear-gradient(to right, rgba(15, 23, 42, 0.025) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
            mask-image: linear-gradient(to bottom, black 12%, transparent 84%);
            -webkit-mask-image: linear-gradient(to bottom, black 12%, transparent 84%);
        }

        /* ============================================================
               Siri 边缘光效
            ============================================================ */
        @property --gradient-angle {
            syntax: "<angle>";
            initial-value: 0deg;
            inherits: false;
        }

        .siri-edge-overlay {
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 90;
            opacity: 0;
            transition: opacity 1.8s ease-in-out;
        }

        .siri-edge-overlay.active {
            opacity: 1;
        }

        .rainbow-border {
            position: absolute;
            inset: -50px;
            background: conic-gradient(from var(--gradient-angle),
                    var(--siri-blue), var(--siri-purple), var(--siri-pink),
                    var(--siri-yellow), var(--siri-cyan), var(--siri-blue));
            mask: radial-gradient(closest-side, transparent 58%, black 100%);
            -webkit-mask: radial-gradient(closest-side, transparent 58%, black 100%);
            filter: blur(70px);
            opacity: 0.4;
            animation: rotateBorder 12s linear infinite;
        }

        @keyframes rotateBorder {
            from {
                --gradient-angle: 0deg;
            }
            to {
                --gradient-angle: 360deg;
            }
        }

        /* ============================================================
               玻璃态与卡片
            ============================================================ */
        .glass-panel {
            background: rgba(255, 255, 255, 0.68);
            backdrop-filter: blur(24px) saturate(180%);
            -webkit-backdrop-filter: blur(24px) saturate(180%);
            border: 1px solid rgba(255, 255, 255, 0.7);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.8);
            border-radius: var(--radius-xl);
        }

        .announcement-bar {
            position: relative;
            z-index: 50;
            padding: 0.68rem 1rem;
            color: rgba(255, 255, 255, 0.92);
            text-align: center;
            font-size: 0.88rem;
            font-weight: 600;
            background:
                linear-gradient(105deg, #080c12 0%, #111827 42%, #1a2530 100%);
            border-bottom: 1px solid rgba(246, 223, 181, 0.18);
            box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 8px 24px rgba(0,0,0,0.08);
            overflow: hidden;
            letter-spacing: 0.01em;
        }

        .announcement-bar::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(105deg, transparent 0 22%, rgba(246, 223, 181, 0.12) 32%, transparent 44% 100%),
                radial-gradient(ellipse 80% 100% at 18% 0%, rgba(214, 168, 95, 0.22), transparent 50%),
                linear-gradient(to bottom, rgba(255, 255, 255, 0.05), transparent 70%);
            opacity: 0.85;
            pointer-events: none;
        }

        .announcement-bar > span {
            position: relative;
            z-index: 1;
        }

        .announcement-bar a {
            color: #f6dfb5;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
            transition: color 0.25s ease;
        }
        .announcement-bar a:hover { color: #fff; }

        .page-shell {
            width: min(100% - 40px, 1640px);
            margin-inline: auto;
        }

        .hero-console {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            gap: clamp(2.5rem, 5vw, 4rem);
            align-items: start;
            padding-block: clamp(3rem, 7vw, 5.5rem);
            isolation: isolate;
            overflow: hidden;
        }

        .hero-console::before {
            content: '';
            position: absolute;
            inset: clamp(0.8rem, 2.5vw, 1.6rem) clamp(0.6rem, 2vw, 1.2rem);
            border-radius: 42px;
            background:
                linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(248, 250, 252, 0.34)),
                radial-gradient(circle at 14% 12%, rgba(99, 102, 241, 0.09), transparent 24%),
                radial-gradient(circle at 88% 18%, rgba(14, 165, 233, 0.08), transparent 26%),
                radial-gradient(circle at 50% 100%, rgba(148, 163, 184, 0.08), transparent 34%);
            border: 1px solid rgba(255, 255, 255, 0.55);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
            z-index: -1;
            mask-image: linear-gradient(to bottom, black, black 92%, transparent 100%);
            -webkit-mask-image: linear-gradient(to bottom, black, black 92%, transparent 100%);
            animation: ambientPulse 14s ease-in-out infinite;
        }

        .hero-console::after {
            content: '';
            position: absolute;
            top: 2%;
            left: 6%;
            right: 6%;
            bottom: 10%;
            background:
                radial-gradient(ellipse 34% 24% at 18% 18%, rgba(99, 102, 241, 0.1), transparent 70%),
                radial-gradient(ellipse 26% 20% at 82% 12%, rgba(14, 165, 233, 0.08), transparent 72%),
                radial-gradient(ellipse 28% 22% at 50% 78%, rgba(255, 255, 255, 0.35), transparent 72%);
            z-index: -1;
            pointer-events: none;
            filter: blur(12px);
            animation: ambientDrift 18s ease-in-out infinite;
        }

        .hero-copy {
            text-align: center;
            justify-self: center;
            max-width: 760px;
            width: 100%;
            animation: floatSoft 9s ease-in-out infinite;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            min-height: 32px;
            padding: 0 0.8rem 0 0.5rem;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.78);
            border: 1px solid rgba(203, 213, 225, 0.85);
            box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
            color: #64748b;
            font-size: 0.74rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .hero-eyebrow-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #6366f1;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
            animation: dotPulse 2.5s ease-in-out infinite;
        }

        @keyframes dotPulse {
            0%, 100% { box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12); }
            50% { box-shadow: 0 0 0 7px rgba(99, 102, 241, 0.04); }
        }

        .hero-title {
            margin: 1rem 0 0;
            color: #0b1220;
            text-wrap: balance;
        }

        .hero-title-line {
            display: block;
            font-size: clamp(2.55rem, 4.8vw, 4.9rem);
            line-height: 0.96;
            letter-spacing: -0.055em;
            font-weight: 900;
        }

        .hero-title-line.accent {
            background: none;
            color: #0f172a;
            -webkit-text-fill-color: initial;
            animation: none;
            filter: none;
        }

        .hero-divider {
            width: clamp(72px, 8vw, 108px);
            height: 1px;
            border-radius: 9999px;
            background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.2), rgba(99, 102, 241, 0.5), rgba(148, 163, 184, 0.2), transparent);
            margin: 1rem auto 0;
        }

        .hero-subtitle {
            margin-top: 0.9rem;
            color: #64748b;
            font-size: 0.98rem;
            font-weight: 450;
            line-height: 1.8;
            text-wrap: balance;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .auth-card {
            width: 100%;
            position: relative;
            padding: clamp(0.8rem, 1.6vw, 1.2rem);
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.92));
            border: 1px solid rgba(226, 232, 240, 0.72);
            border-radius: 38px;
            box-shadow:
                0 1px 0 rgba(255,255,255,0.9) inset,
                0 12px 36px rgba(15, 23, 42, 0.05),
                0 28px 60px -18px rgba(15, 23, 42, 0.08);
            backdrop-filter: blur(18px);
            transform: translateZ(0);
            transition: box-shadow 0.6s ease, border-color 0.6s ease, transform 0.6s ease;
            animation: floatCard 10s ease-in-out infinite;
        }

        .auth-card:hover {
            border-color: rgba(148, 163, 184, 0.46);
            transform: translateY(-4px);
            box-shadow:
                0 1px 0 rgba(255,255,255,0.95) inset,
                0 18px 48px rgba(15, 23, 42, 0.08),
                0 38px 76px -20px rgba(15, 23, 42, 0.12);
        }

        .auth-card::before {
            content: '';
            position: absolute;
            inset: 10px;
            border-radius: 29px;
            border: 1px solid rgba(255, 255, 255, 0.72);
            pointer-events: none;
        }

        .auth-card::after {
            content: '';
            position: absolute;
            top: 16px;
            left: 22px;
            right: 22px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
            pointer-events: none;
        }

        .auth-surface {
            position: relative;
            z-index: 1;
            padding: clamp(1.6rem, 3vw, 2.6rem);
            background:
                linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.84));
            border: 1px solid rgba(226, 232, 240, 0.7);
            border-radius: 28px;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 8px 24px rgba(15, 23, 42, 0.03);
            overflow: hidden;
        }

        .auth-surface::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(90deg, rgba(15, 23, 42, 0.03) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(15, 23, 42, 0.025) 1px, transparent 1px);
            background-size: 44px 44px;
            opacity: 0.22;
            mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 88%);
            -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 88%);
            pointer-events: none;
        }

        .auth-surface::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.4) 20%, transparent 38%);
            transform: translateX(-120%);
            opacity: 0.55;
            pointer-events: none;
            animation: surfaceSweep 15s ease-in-out infinite;
        }

        .auth-surface > * {
            position: relative;
            z-index: 1;
        }

        .auth-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            margin-bottom: 1.35rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(226, 232, 240, 0.78);
        }

        .auth-stats-strip {
            display: flex;
            align-items: center;
            gap: 0.95rem;
            flex-wrap: wrap;
        }

        .auth-stats-strip span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: #64748b;
            font-size: 0.8rem;
            font-weight: 550;
            white-space: nowrap;
            transition: color 0.25s ease, transform 0.25s ease;
        }

        .auth-stats-strip span + span {
            position: relative;
            padding-left: 1rem;
        }

        .auth-stats-strip span + span::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            width: 1px;
            height: 12px;
            background: rgba(203, 213, 225, 0.95);
            transform: translateY(-50%);
        }

        .auth-stats-strip span:hover {
            color: #334155;
            transform: translateY(-1px);
        }

        .auth-vip-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            min-height: 36px;
            padding: 0 0.9rem;
            border-radius: var(--radius-full);
            color: #334155;
            background: rgba(255, 255, 255, 0.88);
            border: 1px solid rgba(203, 213, 225, 0.85);
            font-size: 0.76rem;
            font-weight: 700;
            white-space: nowrap;
            box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
            transition: all 0.3s var(--ease-out-expo);
            cursor: pointer;
            letter-spacing: 0.04em;
        }

        .auth-vip-chip:hover {
            transform: translateY(-1px);
            border-color: rgba(148, 163, 184, 1);
            box-shadow: 0 4px 10px rgba(15, 23, 42, 0.06);
        }

        .auth-form-area {
            min-height: 300px;
        }

        .auth-result-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 0.75rem;
        }

        .auth-result-cell {
            padding: 0.9rem 1rem;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(248, 250, 252, 0.85), rgba(255, 255, 255, 0.7));
            border: 1px solid rgba(203, 213, 225, 0.4);
            transition: all 0.3s ease;
        }
        .auth-result-cell:hover {
            background: rgba(255,255,255,0.95);
            border-color: rgba(148,163,184,0.35);
            box-shadow: 0 10px 24px rgba(15,23,42,0.06);
            transform: translateY(-3px);
        }

        .auth-result-cell span {
            display: block;
            color: #94a3b8;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .auth-result-cell strong {
            display: block;
            margin-top: 0.35rem;
            color: #1e293b;
            font-size: 0.95rem;
            font-weight: 700;
            word-break: break-word;
            letter-spacing: -0.015em;
        }

        .bento-card {
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.7));
            border: 1px solid rgba(226, 232, 240, 0.5);
            border-radius: 22px;
            padding: 1.5rem;
            transition: all 0.45s var(--ease-out-expo);
            position: relative;
            overflow: hidden;
            box-shadow:
                0 2px 8px rgba(0,0,0,0.02),
                0 0 0 1px rgba(255,255,255,0.5) inset;
        }

        .bento-card:hover {
            transform: translateY(-4px);
            box-shadow:
                0 8px 28px rgba(0,0,0,0.06),
                0 2px 8px rgba(0,0,0,0.03);
            border-color: rgba(148, 163, 184, 0.3);
        }

        .bento-card::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: inherit;
            background:
                radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(79, 70, 229, 0.08), transparent 45%),
                linear-gradient(135deg, transparent, rgba(245, 158, 11, 0.07));
            opacity: 0;
            transition: opacity 0.5s ease;
            pointer-events: none;
            z-index: 0;
        }

        .bento-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 1.2rem;
            right: 1.2rem;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.98), transparent);
            z-index: 1;
        }

        .bento-card:hover::after {
            opacity: 1;
        }

        .bento-card>* {
            position: relative;
            z-index: 1;
        }

        .features-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto clamp(2.6rem, 5vw, 3.6rem);
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .features-title {
            margin: 1rem 0 0;
            color: #0f172a;
            font-size: clamp(2rem, 3.4vw, 3.1rem);
            line-height: 1.06;
            letter-spacing: -0.04em;
            font-weight: 900;
        }

        .features-subtitle {
            margin: 0.9rem 0 0;
            color: #64748b;
            font-size: 1rem;
            line-height: 1.75;
            font-weight: 500;
            text-wrap: balance;
        }

        .bento-icon {
            width: 46px;
            height: 46px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.1rem;
            border: 1px solid rgba(255, 255, 255, 0.7);
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
            transition: transform 0.45s var(--ease-out-expo), box-shadow 0.45s var(--ease-out-expo);
        }

        .bento-card:hover .bento-icon {
            transform: translateY(-2px) scale(1.05);
        }

        .bento-icon.indigo {
            background: linear-gradient(145deg, #eef2ff, #e0e7ff);
            color: #4f46e5;
        }

        .bento-icon.violet {
            background: linear-gradient(145deg, #f5f3ff, #ede9fe);
            color: #7c3aed;
        }

        .bento-icon.slate {
            background: linear-gradient(145deg, #f8fafc, #e2e8f0);
            color: #334155;
        }

        .bento-icon.amber {
            background: linear-gradient(145deg, #fffbeb, #fef3c7);
            color: #d97706;
        }

        .bento-icon.blue {
            background: linear-gradient(145deg, #eff6ff, #dbeafe);
            color: #3b82f6;
        }

        .bento-title {
            font-weight: 850;
            font-size: 1.18rem;
            margin: 0 0 0.5rem;
            color: #0f172a;
            letter-spacing: -0.025em;
        }

        .bento-desc {
            color: #64748b;
            font-size: 0.9rem;
            line-height: 1.65;
            margin: 0 0 1.1rem;
            font-weight: 480;
        }

        .bento-action {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.78rem;
            font-weight: 800;
            cursor: pointer;
            transition: gap 0.3s var(--ease-out-expo);
        }

        .bento-action i {
            transition: transform 0.3s var(--ease-out-expo);
        }

        .bento-card:hover .bento-action i {
            transform: translate(2px, -2px);
        }

        .bento-action.indigo { color: #4f46e5; }
        .bento-action.violet { color: #7c3aed; }
        .bento-action.slate { color: #334155; }

        /* ============================================================
               图片展示区域
            ============================================================ */
        .visual-showcase {
            position: relative;
            margin: 0 0 clamp(3rem, 6vw, 5rem);
            padding: clamp(0.9rem, 1.6vw, 1.25rem);
            border-radius: 34px;
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(248, 250, 252, 0.6)),
                radial-gradient(ellipse 60% 60% at 10% 0%, rgba(245, 158, 11, 0.1), transparent 40%),
                radial-gradient(ellipse 60% 60% at 90% 100%, rgba(59, 130, 246, 0.1), transparent 40%),
                linear-gradient(110deg, rgba(15, 23, 42, 0.02), transparent 34%, rgba(16, 185, 129, 0.04));
            border: 1px solid rgba(226, 232, 240, 0.5);
            box-shadow:
                0 2px 12px rgba(0,0,0,0.02),
                0 0 0 1px rgba(255,255,255,0.5) inset;
            overflow: hidden;
            backdrop-filter: blur(20px);
        }

        .visual-showcase::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(15, 23, 42, 0.026) 1px, transparent 1px);
            background-size: 64px 64px;
            opacity: 0.48;
            pointer-events: none;
        }

        .visual-showcase-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(300px, 0.44fr) minmax(0, 1fr);
            gap: clamp(1.1rem, 2.6vw, 2.25rem);
            align-items: stretch;
        }

        .visual-copy {
            padding: clamp(1.35rem, 2.5vw, 2rem);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 456px;
        }

        .visual-copy h2 {
            margin: 0.95rem 0 0;
            color: #0f172a;
            font-size: clamp(2.35rem, 4.2vw, 4.45rem);
            line-height: 1.02;
            letter-spacing: -0.05em;
            font-weight: 950;
        }

        .visual-copy p {
            margin: 1rem 0 0;
            color: #64748b;
            max-width: 480px;
            font-size: 1rem;
            line-height: 1.8;
            font-weight: 540;
        }

        .visual-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.65rem;
            margin-top: 1.5rem;
        }

        .visual-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.38rem;
            min-height: 32px;
            padding: 0 0.7rem;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(226, 232, 240, 0.6);
            color: #475569;
            font-size: 0.76rem;
            font-weight: 650;
            box-shadow: 0 1px 4px rgba(0,0,0,0.02);
            transition: all 0.25s ease;
        }
        .visual-tag:hover {
            border-color: rgba(148,163,184,0.3);
            transform: translateY(-1px);
        }

        .visual-stack {
            display: grid;
            grid-template-columns: minmax(0, 1.12fr) minmax(230px, 0.88fr);
            gap: 1rem;
            min-height: 456px;
        }

        .visual-card {
            position: relative;
            overflow: hidden;
            min-height: 252px;
            border-radius: 24px;
            border: 1px solid rgba(226, 232, 240, 0.5);
            background: #0f172a;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            isolation: isolate;
            transition: all 0.45s var(--ease-out-expo);
        }

        .visual-card.main {
            min-height: 456px;
        }

        .visual-card:hover {
            box-shadow: 0 12px 40px rgba(0,0,0,0.12);
        }

        .visual-card img {
            width: 100%;
            height: 100%;
            min-height: inherit;
            object-fit: cover;
            display: block;
            transform: scale(1.01);
            transition: transform 0.7s var(--ease-out-expo), filter 0.7s ease;
        }

        .visual-card:hover img {
            transform: scale(1.05);
            filter: brightness(1.05) saturate(1.04);
        }

        .visual-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(to top, rgba(15, 23, 42, 0.75), rgba(15, 23, 42, 0.1) 54%, transparent 72%),
                linear-gradient(135deg, rgba(245, 158, 11, 0.08), transparent 44%, rgba(59, 130, 246, 0.06));
            z-index: 1;
            pointer-events: none;
        }

        .visual-card-caption {
            position: absolute;
            left: 1.1rem;
            right: 1.1rem;
            bottom: 1.1rem;
            z-index: 2;
            color: #fff;
        }

        .visual-card-caption strong {
            display: block;
            font-size: 1.05rem;
            font-weight: 900;
            letter-spacing: -0.025em;
        }

        .visual-card-caption span {
            display: block;
            margin-top: 0.25rem;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.82rem;
            font-weight: 650;
            line-height: 1.45;
        }

        .visual-side-stack {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 1rem;
        }

        /* ============================================================
               顶部导航
            ============================================================ */
        .top-nav {
            position: sticky;
            top: 0;
            z-index: 60;
            width: 100%;
            background:
                linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78));
            backdrop-filter: blur(24px) saturate(180%);
            -webkit-backdrop-filter: blur(24px) saturate(180%);
            border-bottom: 1px solid rgba(226, 232, 240, 0.55);
            box-shadow: 0 1px 0 rgba(255,255,255,0.9) inset, 0 4px 20px rgba(0,0,0,0.03);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .nav-shell {
            width: min(100% - 40px, 1640px);
            min-height: 72px;
            margin-inline: auto;
            display: grid;
            grid-template-columns: auto minmax(320px, 1fr) auto;
            gap: 1.2rem;
            align-items: center;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            height: 44px;
            width: auto;
            border-radius: 8px;
            overflow: hidden;
            text-decoration: none;
            flex-shrink: 0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .brand-logo img {
            height: 100%;
            width: auto;
            display: block;
        }

        .brand-logo:hover {
            transform: scale(1.06);
        }

        .nav-links {
            justify-self: center;
            display: inline-flex;
            align-items: center;
            gap: 0.28rem;
            padding: 0.3rem;
            border-radius: 18px;
            background: rgba(248, 250, 252, 0.82);
            border: 1px solid rgba(226, 232, 240, 0.6);
            box-shadow: 0 2px 8px rgba(0,0,0,0.02), 0 0 0 1px rgba(255,255,255,0.6) inset;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 0.42rem;
            min-height: 40px;
            padding: 0 0.92rem;
            border-radius: 14px;
            color: #64748b;
            text-decoration: none;
            font-size: 0.86rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.28s var(--ease-out-expo);
        }

        .nav-link:hover {
            color: #0f172a;
            background: rgba(255,255,255,0.85);
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 0.7rem;
        }

        .nav-status {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            min-height: 36px;
            padding: 0 0.75rem;
            border-radius: 12px;
            color: #475569;
            background: rgba(248, 250, 252, 0.8);
            border: 1px solid rgba(226, 232, 240, 0.7);
            font-size: 0.76rem;
            font-weight: 700;
            white-space: nowrap;
            box-shadow: 0 1px 2px rgba(0,0,0,0.02);
        }

        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid rgba(148, 163, 184, 0.25);
            border-radius: 14px;
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(241, 245, 249, 0.85));
            color: var(--metal-900);
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(15, 23, 42, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.7);
            transition: all 0.25s var(--ease-out-expo);
            cursor: pointer;
        }

        .mobile-menu-btn:hover {
            border-color: rgba(79, 70, 229, 0.3);
            box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.8);
            transform: translateY(-1px);
        }

        .mobile-menu-btn:active {
            transform: scale(0.95);
        }

        .mobile-nav-panel {
            display: none;
            width: min(100% - 28px, 1600px);
            margin: 0 auto 0.8rem;
            padding: 0.75rem;
            border-radius: 22px;
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(226, 232, 240, 0.86);
            box-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
        }

        .mobile-nav-panel.open {
            display: block;
            animation: fadeInUp 0.28s var(--ease-out-expo) forwards;
        }

        .mobile-nav-panel a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 48px;
            padding: 0 0.85rem;
            border-radius: 15px;
            color: #334155;
            text-decoration: none;
            font-weight: 800;
            font-size: 0.95rem;
        }

        .mobile-nav-panel a:hover {
            background: #f8fafc;
            color: #8a5a1b;
        }

        .mobile-nav-footer {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.65rem;
            padding-top: 0.75rem;
            margin-top: 0.5rem;
            border-top: 1px solid #e2e8f0;
        }

        /* ============================================================
               FAQ 折叠
            ============================================================ */
        .wide-section {
            position: relative;
            width: 100%;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            color: #4f46e5;
            background: rgba(238, 242, 255, 0.7);
            border: 1px solid rgba(199, 210, 254, 0.5);
            border-radius: var(--radius-full);
            padding: 0.38rem 0.7rem;
            font-size: 0.72rem;
            font-weight: 750;
            letter-spacing: 0.1em;
            text-transform: uppercase;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: minmax(280px, 0.52fr) minmax(0, 1fr);
            gap: clamp(1.4rem, 3vw, 2.4rem);
            align-items: start;
        }

        .support-panel {
            position: sticky;
            top: 96px;
            padding: clamp(1.3rem, 2.2vw, 1.8rem);
            border-radius: 28px;
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.7)),
                radial-gradient(ellipse 70% 50% at 0% 0%, rgba(99, 102, 241, 0.08), transparent 50%),
                radial-gradient(ellipse 60% 50% at 100% 100%, rgba(245, 158, 11, 0.06), transparent 45%);
            border: 1px solid rgba(226, 232, 240, 0.5);
            box-shadow:
                0 2px 12px rgba(0,0,0,0.02),
                0 0 0 1px rgba(255,255,255,0.4) inset;
            backdrop-filter: blur(18px);
        }

        .support-panel h2,
        .links-head h2 {
            margin: 1rem 0 0;
            color: #0f172a;
            font-size: clamp(2rem, 3.2vw, 3.4rem);
            line-height: 1.04;
            letter-spacing: -0.045em;
            font-weight: 900;
        }

        .support-panel p,
        .links-head p {
            color: #64748b;
            margin-top: 1rem;
            font-size: 1rem;
            line-height: 1.75;
            font-weight: 500;
        }

        .support-stats {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 0.75rem;
            margin-top: 1.35rem;
        }

        .support-stat {
            padding: 0.85rem;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(226, 232, 240, 0.5);
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }
        .support-stat:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0,0,0,0.04);
        }

        .support-stat strong {
            display: block;
            color: #0f172a;
            font-size: 1.35rem;
            line-height: 1;
            letter-spacing: -0.035em;
        }

        .support-stat span {
            display: block;
            color: #64748b;
            margin-top: 0.4rem;
            font-size: 0.78rem;
            font-weight: 700;
        }

        .faq-list-panel {
            padding: clamp(0.6rem, 1vw, 0.85rem);
            border-radius: 28px;
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(248, 250, 252, 0.5));
            border: 1px solid rgba(226, 232, 240, 0.5);
            box-shadow:
                0 2px 12px rgba(0,0,0,0.02),
                0 0 0 1px rgba(255,255,255,0.4) inset;
            backdrop-filter: blur(16px);
        }

        .faq-item {
            border: 1px solid rgba(226, 232, 240, 0.45);
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.8);
            overflow: hidden;
            transition: all 0.35s var(--ease-out-expo);
        }

        .faq-item:hover {
            transform: translateY(-1px);
            border-color: rgba(148, 163, 184, 0.3);
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
        }

        .faq-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.3rem 1.45rem;
            text-align: left;
            font-weight: 780;
            color: #18212f;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 1.02rem;
            letter-spacing: -0.01em;
            transition: color 0.25s ease;
            font-family: inherit;
        }

        .faq-btn:hover {
            color: #8a5a1b;
        }

        .faq-icon {
            transition: transform 0.4s var(--ease-out-expo);
            flex-shrink: 0;
            color: var(--text-tertiary);
        }

        .faq-btn.open .faq-icon {
            transform: rotate(180deg);
            color: #8a5a1b;
        }

        .faq-content {
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            transition: max-height 0.5s var(--ease-in-out-smooth), opacity 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            font-size: 0.94rem;
            line-height: 1.7;
        }

        .faq-content.open {
            max-height: 300px;
            opacity: 1;
            padding: 0 1.5rem 1.25rem 1.5rem;
        }

        .links-panel {
            position: relative;
            overflow: hidden;
            padding: clamp(1.2rem, 2.4vw, 2rem);
            border-radius: 32px;
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.7)),
                radial-gradient(ellipse 60% 50% at 10% 0%, rgba(245, 158, 11, 0.08), transparent 40%),
                radial-gradient(ellipse 50% 60% at 100% 80%, rgba(99, 102, 241, 0.08), transparent 38%),
                radial-gradient(ellipse 40% 40% at 85% 5%, rgba(59, 130, 246, 0.06), transparent 35%);
            border: 1px solid rgba(226, 232, 240, 0.5);
            box-shadow:
                0 2px 12px rgba(0,0,0,0.02),
                0 0 0 1px rgba(255,255,255,0.4) inset;
            backdrop-filter: blur(18px);
        }

        .links-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(to right, rgba(15, 23, 42, 0.035) 1px, transparent 1px);
            background-size: 72px 100%;
            opacity: 0.45;
            pointer-events: none;
        }

        .links-head {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 0.65fr) minmax(260px, 0.35fr);
            gap: 1.4rem;
            align-items: end;
            margin-bottom: 1.4rem;
        }

        .links-note {
            justify-self: end;
            padding: 0.9rem 1rem;
            border-radius: 16px;
            background: rgba(15, 23, 42, 0.92);
            color: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.06);
            max-width: 320px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.12);
            transition: transform 0.3s ease;
        }
        .links-note:hover { transform: translateY(-2px); }

        .links-note strong {
            display: block;
            color: #fff;
            font-size: 1.2rem;
            letter-spacing: -0.03em;
        }

        .links-note span {
            display: block;
            margin-top: 0.45rem;
            font-size: 0.84rem;
            line-height: 1.55;
        }

        .partner-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 1rem;
        }

        .partner-card {
            min-height: 184px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 1.2rem;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(226, 232, 240, 0.5);
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
            text-decoration: none;
            transition: all 0.35s var(--ease-out-expo);
        }

        .partner-card:hover {
            transform: translateY(-3px);
            border-color: rgba(99, 102, 241, 0.25);
            box-shadow: 0 6px 20px rgba(0,0,0,0.05);
        }

        .partner-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.35s var(--ease-out-expo);
        }

        .partner-card:hover .partner-icon {
            transform: scale(1.06);
        }

        .partner-card h3 {
            margin: 1.25rem 0 0.35rem;
            color: #0f172a;
            font-size: 1.12rem;
            font-weight: 850;
            letter-spacing: -0.025em;
        }

        .partner-card p {
            margin: 0;
            color: #64748b;
            font-size: 0.86rem;
            line-height: 1.55;
            font-weight: 500;
        }

        .partner-card .partner-action {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            margin-top: 1.2rem;
            color: #4f46e5;
            font-size: 0.78rem;
            font-weight: 850;
        }

        /* ============================================================
               输入框
            ============================================================ */
        .input-pro {
            width: 100%;
            background:
                linear-gradient(180deg, rgba(248, 250, 252, 0.94), rgba(255, 255, 255, 0.92));
            border: 1px solid rgba(203, 213, 225, 0.9);
            color: var(--text-primary);
            font-size: 0.98rem;
            border-radius: 16px;
            padding: 1.05rem 1.2rem;
            outline: none;
            transition: all 0.35s var(--ease-out-expo);
            font-family: inherit;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), 0 1px 2px rgba(15, 23, 42, 0.02);
            letter-spacing: -0.01em;
        }

        .input-pro:hover {
            border-color: rgba(148, 163, 184, 1);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78), 0 6px 16px rgba(15, 23, 42, 0.04);
        }

        .input-pro:focus {
            border-color: rgba(99, 102, 241, 0.58);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.08), 0 8px 18px rgba(15, 23, 42, 0.04);
            background: #fff;
            transform: translateY(-1px);
        }

        .input-pro::placeholder {
            color: #94a3b8;
            font-weight: 420;
            letter-spacing: -0.005em;
        }

        /* ============================================================
               按钮
            ============================================================ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            min-height: 54px;
            padding: 0.95rem 1.8rem;
            background: linear-gradient(180deg, #1f2937 0%, #0f172a 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.94rem;
            border-radius: 16px;
            border: 1px solid rgba(30, 41, 59, 0.9);
            cursor: pointer;
            transition: all 0.35s var(--ease-out-expo);
            box-shadow:
                0 10px 24px rgba(15, 23, 42, 0.14),
                0 1px 0 rgba(255,255,255,0.08) inset;
            letter-spacing: 0;
            font-family: inherit;
            position: relative;
            overflow: hidden;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, transparent 0%, rgba(255, 255, 255, 0.12) 42%, transparent 72%);
            transform: translateX(-110%);
            transition: transform 0.5s var(--ease-out-expo);
            pointer-events: none;
        }

        .btn-primary::after {
            content: '';
            position: absolute;
            inset: auto 16% -16px;
            height: 22px;
            background: radial-gradient(ellipse at center, rgba(15, 23, 42, 0.2), transparent 72%);
            opacity: 0;
            filter: blur(10px);
            transition: opacity 0.35s ease, transform 0.35s ease;
            transform: translateY(4px);
            pointer-events: none;
        }

        .btn-primary:hover::before {
            transform: translateX(105%);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            border-color: rgba(15, 23, 42, 0.92);
            box-shadow:
                0 14px 30px rgba(15, 23, 42, 0.18),
                0 1px 0 rgba(255,255,255,0.1) inset;
        }

        .btn-primary:hover::after {
            opacity: 1;
            transform: translateY(0);
        }

        .btn-primary:active {
            transform: scale(0.975);
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.38rem;
            min-height: 38px;
            padding: 0.55rem 1rem;
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(241, 245, 249, 0.7));
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(148, 163, 184, 0.22);
            color: #334155;
            font-weight: 650;
            font-size: 0.83rem;
            border-radius: var(--radius-full);
            cursor: pointer;
            transition: all 0.28s var(--ease-out-expo);
            font-family: inherit;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03), 0 0 0 1px rgba(255,255,255,0.5) inset;
        }

        .btn-ghost:hover {
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(241, 245, 249, 0.82));
            border-color: rgba(148, 163, 184, 0.35);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(0,0,0,0.05), 0 0 0 1px rgba(255,255,255,0.6) inset;
            color: #0f172a;
        }

        /* ============================================================
               Tab 与面板切换系统
            ============================================================ */
        .tab-container {
            display: flex;
            padding: 5px;
            background: rgba(241, 245, 249, 0.9);
            border-radius: 16px;
            position: relative;
            border: 1px solid rgba(203, 213, 225, 0.7);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.65);
        }

        .tab-slider {
            position: absolute;
            height: calc(100% - 10px);
            background: #ffffff;
            border-radius: 13px;
            top: 5px;
            box-shadow: 0 2px 8px rgba(15,23,42,0.05), 0 0 0 1px rgba(226,232,240,0.9), 0 4px 12px rgba(79,70,229,0.04);
            transition: left 0.4s cubic-bezier(0.22, 1, 0.36, 1), width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            z-index: 0;
        }

        .tab-btn {
            flex: 1;
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 0.78rem 0.6rem;
            font-size: 0.84rem;
            font-weight: 600;
            border: none;
            background: transparent;
            cursor: pointer;
            border-radius: 12px;
            color: #94a3b8;
            transition: color 0.28s ease;
            font-family: inherit;
            white-space: nowrap;
        }

        .tab-btn i {
            width: 16px;
            height: 16px;
            transition: transform 0.35s var(--ease-out-expo), color 0.28s ease;
        }

        .tab-btn.active {
            color: #0f172a;
            font-weight: 750;
        }

        .tab-btn.active i {
            color: #4f46e5;
            transform: scale(1.08);
        }

        .tab-btn:not(.active):hover {
            color: #475569;
        }

        .tab-btn:not(.active):hover i {
            color: #64748b;
        }

        .auth-form-area {
            min-height: 160px;
        }

        /* Tab 面板切换动画 */
        .tab-panel-enter-active {
            transition: opacity 0.28s ease, transform 0.32s var(--ease-out-expo);
        }

        .tab-panel-leave-active {
            transition: opacity 0.2s ease, transform 0.22s var(--ease-out-expo);
        }

        .tab-panel-enter-from {
            opacity: 0;
            transform: translateY(10px);
        }

        .tab-panel-leave-to {
            opacity: 0;
            transform: translateY(-6px);
        }

        /* ============================================================
               右下角悬浮工具坞 — 图标态 hover 展开
            ============================================================ */
        .floating-actions {
            position: fixed;
            bottom: 34px;
            right: 34px;
            z-index: 100;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 8px;
            contain: layout style;
            transition: opacity 0.35s var(--ease-out-expo), transform 0.35s var(--ease-out-expo), visibility 0.35s;
        }

        .floating-actions.chat-open {
            opacity: 0;
            pointer-events: none;
            visibility: hidden;
            transform: translateY(12px);
        }

        .float-btn {
            position: relative;
            display: flex;
            align-items: center;
            width: 54px;
            height: 54px;
            padding: 0 6px;
            border-radius: 50%;
            border: none;
            cursor: pointer;
            overflow: hidden;
            font-family: inherit;
            transform: translateZ(0);
            backdrop-filter: blur(18px) saturate(170%);
            -webkit-backdrop-filter: blur(18px) saturate(170%);
            transition:
                width 0.5s cubic-bezier(0.22, 1, 0.36, 1),
                padding 0.5s cubic-bezier(0.22, 1, 0.36, 1),
                border-radius 0.5s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.45s ease,
                transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
                background 0.45s ease;
        }

        .float-btn::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, transparent 0%, rgba(255,255,255,0.15) 40%, transparent 65%);
            transform: translateX(-105%);
            transition: transform 0.6s var(--ease-out-expo);
            pointer-events: none;
            z-index: 0;
        }

        .float-btn::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: inherit;
            border: 1.5px solid rgba(255,255,255,0.45);
            pointer-events: none;
            z-index: 3;
            transition: border-color 0.4s ease;
        }

        .float-btn:hover {
            width: 218px;
            padding: 0 18px;
            border-radius: 30px;
            transform: translateY(-2px);
            justify-content: flex-start;
        }

        .float-btn:hover::after {
            border-color: rgba(255,255,255,0.65);
        }

        .float-btn:hover::before {
            transform: translateX(100%);
        }

        .float-btn:active {
            transform: translateY(0) scale(0.975);
        }

        .float-btn-icon {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            flex-shrink: 0;
            z-index: 2;
            transition: transform 0.4s var(--ease-out-expo), box-shadow 0.4s ease;
        }

        .float-btn:hover .float-btn-icon {
            transform: scale(1.04);
        }

        .float-btn-copy {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
            margin-left: 12px;
            white-space: nowrap;
            flex-shrink: 0;
            opacity: 0;
            pointer-events: none;
            z-index: 2;
            transition: opacity 0.3s ease 0.06s;
        }

        .float-btn:hover .float-btn-copy {
            opacity: 1;
            pointer-events: auto;
            transition: opacity 0.35s ease 0.18s;
        }

        .float-btn-copy strong {
            font-size: 0.94rem;
            font-weight: 900;
            letter-spacing: -0.01em;
            line-height: 1.2;
            white-space: nowrap;
        }

        .float-btn-copy span {
            font-size: 0.7rem;
            font-weight: 600;
            line-height: 1.2;
            white-space: nowrap;
            opacity: 0.6;
            margin-top: 1px;
        }

        /* ============================================================
               AI 助手按钮
            ============================================================ */
        .ai-fab {
            background:
                linear-gradient(135deg, rgba(248,250,255,0.98), rgba(235,240,255,0.94));
            color: #1a1744;
            box-shadow:
                0 4px 20px rgba(79,70,229,0.04),
                0 0 0 1px rgba(255,255,255,0.55),
                inset 0 1px 0 rgba(255,255,255,0.75);
        }

        .ai-fab:hover {
            box-shadow:
                0 10px 30px rgba(79,70,229,0.08),
                0 0 0 1px rgba(255,255,255,0.65),
                inset 0 1px 0 rgba(255,255,255,0.85);
        }

        .ai-fab .float-btn-icon {
            position: relative;
            color: #fff;
            background:
                linear-gradient(135deg, #3730a3, #4f46e5, #6366f1);
            box-shadow:
                0 4px 14px rgba(79,70,229,0.18),
                inset 0 1px 0 rgba(255,255,255,0.22);
        }

        .ai-fab .float-btn-icon::before {
            content: '';
            position: absolute;
            inset: 3px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,0.15);
            pointer-events: none;
        }

        .ai-fab:hover .float-btn-icon {
            box-shadow:
                0 8px 22px rgba(79,70,229,0.26),
                0 0 14px rgba(99,102,241,0.06),
                inset 0 1px 0 rgba(255,255,255,0.3);
        }

        .ai-mini-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 22px;
            height: 15px;
            margin-left: 5px;
            border-radius: 999px;
            color: #4338ca;
            background: rgba(224,231,255,0.7);
            border: 1px solid rgba(99,102,241,0.2);
            font-size: 0.56rem;
            font-weight: 900;
            letter-spacing: 0.06em;
            padding: 0 4px;
        }

        .ai-fab .float-btn-copy span {
            color: #5e67b8;
        }

        /* ============================================================
               尊享会员按钮
            ============================================================ */
        .vip-fab {
            background:
                linear-gradient(135deg, rgba(255,252,245,0.98), rgba(250,242,224,0.94));
            color: #2b1706;
            box-shadow:
                0 4px 20px rgba(140,100,40,0.04),
                0 0 0 1px rgba(255,255,255,0.55),
                inset 0 1px 0 rgba(255,255,255,0.75);
        }

        .vip-fab:hover {
            box-shadow:
                0 10px 30px rgba(140,100,40,0.08),
                0 0 0 1px rgba(255,255,255,0.65),
                inset 0 1px 0 rgba(255,255,255,0.85);
        }

        .vip-fab .float-btn-icon {
            color: #2b1706;
            background:
                linear-gradient(135deg, #ead5a8, #cba76b, #b8904a);
            box-shadow:
                0 4px 14px rgba(160,120,50,0.16),
                inset 0 1px 0 rgba(255,255,255,0.3);
        }

        .vip-fab:hover .float-btn-icon {
            box-shadow:
                0 8px 22px rgba(160,120,50,0.24),
                0 0 14px rgba(193,155,95,0.05),
                inset 0 1px 0 rgba(255,255,255,0.38);
        }

        .vip-fab .float-btn-copy span {
            color: #a07030;
            font-weight: 600;
        }

        .vip-fab .float-btn-copy strong {
            color: #1a0c02;
        }

        /* ============================================================
               会员开通引导窗口
            ============================================================ */
        .membership-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(3, 5, 14, 0.66);
            backdrop-filter: blur(22px) saturate(130%);
            -webkit-backdrop-filter: blur(22px) saturate(130%);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }

        .membership-modal {
            width: 100%;
            max-width: 1060px;
            max-height: calc(100vh - 64px);
            overflow: hidden;
            border-radius: 32px;
            box-shadow:
                0 32px 96px rgba(0,0,0,0.4),
                0 0 0 1px rgba(255,255,255,0.06);
            position: relative;
            animation: modalSlideUp 0.5s var(--ease-out-expo);
        }

        @keyframes modalSlideUp {
            from { opacity: 0; transform: translateY(36px) scale(0.97); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        .membership-body {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
            gap: 0;
            min-height: 640px;
        }

        .membership-hero {
            position: relative;
            padding: 3rem clamp(2.4rem, 4.5vw, 3.2rem);
            background: linear-gradient(155deg, #060b16 0%, #0f1629 28%, #151d30 60%, #1a2236 100%);
            color: #fff;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .membership-glow-orb {
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle at 45% 45%, rgba(212,168,83,0.2), rgba(212,168,83,0.05) 30%, transparent 75%);
            top: -100px;
            right: -60px;
            pointer-events: none;
            filter: blur(20px);
        }

        .membership-hero-top {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            position: relative;
            z-index: 1;
        }

        .membership-crown-ring {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: linear-gradient(135deg, #fef3c7, #fcd34d, #f59e0b, #b45309);
            color: #1a0a02;
            box-shadow:
                0 10px 28px rgba(245,158,11,0.35),
                0 0 22px rgba(251,191,36,0.16),
                inset 0 1px 0 rgba(255,255,255,0.5);
            flex-shrink: 0;
        }

        .membership-badge {
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            background: rgba(212,168,83,0.10);
            border: 1px solid rgba(212,168,83,0.25);
            color: #d4a853;
            font-size: 0.68rem;
            font-weight: 900;
            letter-spacing: 0.2em;
            text-transform: uppercase;
        }

        .membership-title {
            margin: 2.2rem 0 0;
            font-size: clamp(2.8rem, 5.8vw, 4rem);
            line-height: 0.95;
            letter-spacing: -0.07em;
            font-weight: 900;
            position: relative;
            z-index: 1;
        }

        .membership-desc {
            margin: 1.2rem 0 0;
            color: rgba(255,255,255,0.48);
            font-size: 0.94rem;
            line-height: 1.8;
            max-width: 320px;
            position: relative;
            z-index: 1;
        }

        .membership-price-block {
            margin-top: 3rem;
            position: relative;
            z-index: 1;
        }

        .membership-price {
            display: flex;
            align-items: flex-end;
            gap: 0.6rem;
        }

        .membership-price-core {
            display: flex;
            align-items: flex-start;
            gap: 0.05rem;
        }

        .membership-price-symbol {
            color: #d4a853;
            font-size: 1.8rem;
            font-weight: 850;
            line-height: 1;
            padding-top: 0.2rem;
        }

        .membership-price strong {
            font-size: 6rem;
            line-height: 0.72;
            letter-spacing: -0.09em;
            font-weight: 900;
            color: #fff;
        }

        .membership-price-meta {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
            padding-bottom: 0.5rem;
            margin-left: 0.8rem;
        }

        .membership-price-meta span {
            color: rgba(255,255,255,0.4);
            font-size: 0.88rem;
            font-weight: 600;
            line-height: 1;
        }

        .membership-price-trial {
            color: rgba(255,255,255,0.26) !important;
            font-size: 0.7rem !important;
            font-weight: 500 !important;
        }

        .membership-hero-features {
            display: flex;
            gap: 0.7rem;
            margin-top: 2.4rem;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .membership-hero-feat {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 0.85rem;
            border-radius: 10px;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.07);
            color: rgba(255,255,255,0.55);
            font-size: 0.78rem;
            font-weight: 600;
            transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
        }

        .membership-hero-feat:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(212,168,83,0.3);
            color: rgba(255,255,255,0.75);
        }

        .membership-hero-feat i {
            color: #d4a853;
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }

        .membership-hero-img {
            margin-top: auto;
            padding-top: 1.8rem;
            position: relative;
            z-index: 1;
        }

        .membership-hero-img img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            border-radius: 16px;
            opacity: 0.5;
            transition: opacity 0.5s ease;
        }

        .membership-hero-img:hover img {
            opacity: 0.7;
        }

        .membership-detail {
            padding: 3rem clamp(2.4rem, 4.5vw, 3rem);
            background: #fff;
            display: flex;
            flex-direction: column;
        }

        .membership-detail-head {
            margin-bottom: 2rem;
        }

        .membership-detail-kicker {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: #b45309;
            font-size: 0.7rem;
            font-weight: 900;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }

        .membership-detail-title {
            color: #0f172a;
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: -0.055em;
            line-height: 1.1;
        }

        .membership-feature-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            flex: 1;
        }

        .membership-feature {
            display: flex;
            align-items: flex-start;
            gap: 0.85rem;
            padding: 0.95rem 1rem;
            border: 1px solid #fde68a;
            border-radius: 14px;
            background: #fff;
            box-shadow: 0 8px 24px rgba(15,23,42,0.04);
            transition: transform 0.28s var(--ease-out-expo), box-shadow 0.28s ease;
        }

        .membership-feature:hover {
            box-shadow: 0 12px 32px rgba(15,23,42,0.08);
            transform: translateX(2px);
        }

        .membership-feature-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            color: #92400e;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .membership-feature-text {
            display: flex;
            flex-direction: column;
            gap: 0.1rem;
            min-width: 0;
        }

        .membership-feature-text strong {
            font-size: 0.86rem;
            font-weight: 720;
            color: #1e293b;
            line-height: 1.35;
        }

        .membership-feature-text span {
            font-size: 0.76rem;
            color: #94a3b8;
            line-height: 1.45;
            font-weight: 500;
        }

        .btn-premium {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.65rem;
            width: 100%;
            min-height: 58px;
            margin-top: auto;
            padding: 0.9rem 1.8rem;
            border-radius: 15px;
            border: 1px solid rgba(255,255,255,0.08);
            font-family: inherit;
            font-weight: 800;
            font-size: 0.94rem;
            letter-spacing: 0.02em;
            color: #fff;
            cursor: pointer;
            background: linear-gradient(145deg, #0a0d14 0%, #151a24 40%, #1a1f2e 100%);
            box-shadow:
                0 12px 36px rgba(0,0,0,0.35),
                0 0 0 1px rgba(255,255,255,0.04),
                inset 0 1px 0 rgba(255,255,255,0.08);
            transition: transform 0.3s var(--ease-out-expo), box-shadow 0.35s ease, border-color 0.35s ease, background 0.35s ease;
        }

        .btn-premium i {
            color: #d4a853;
            width: 18px;
            height: 18px;
        }

        .btn-premium:hover {
            transform: translateY(-2px);
            border-color: rgba(212,168,83,0.3);
            background: linear-gradient(145deg, #11151e 0%, #1b212e 40%, #212838 100%);
            box-shadow:
                0 20px 48px rgba(0,0,0,0.45),
                0 0 0 1px rgba(212,168,83,0.12),
                0 0 30px rgba(212,168,83,0.06),
                inset 0 1px 0 rgba(255,255,255,0.1);
        }

        .btn-premium:active {
            transform: scale(0.975);
        }

        /* ============================================================
               AI 聊天面板
            ============================================================ */
        .ai-chat-panel {
            position: fixed;
            bottom: 26px;
            right: 26px;
            width: 476px;
            max-width: calc(100vw - 32px);
            height: 650px;
            max-height: calc(100vh - 64px);
            z-index: 99;
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.93), rgba(248, 250, 252, 0.78)),
                radial-gradient(circle at 0% 0%, rgba(64, 201, 255, 0.14), transparent 34%),
                radial-gradient(circle at 100% 100%, rgba(175, 82, 222, 0.12), transparent 34%);
            backdrop-filter: blur(32px) saturate(140%);
            -webkit-backdrop-filter: blur(32px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.82);
            border-radius: 34px;
            box-shadow: 0 38px 96px rgba(15, 23, 42, 0.2), 0 0 0 1px rgba(191, 219, 254, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.7);
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .ai-chat-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(15, 23, 42, 0.026) 1px, transparent 1px);
            background-size: 42px 42px;
            mask-image: linear-gradient(to bottom, black, transparent 55%);
            -webkit-mask-image: linear-gradient(to bottom, black, transparent 55%);
            opacity: 0.7;
            pointer-events: none;
        }

        .ai-chat-panel.expanded {
            width: min(920px, calc(100vw - 48px));
            height: min(760px, calc(100vh - 96px));
            right: 24px;
            bottom: 24px;
        }

        .ai-chat-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.05rem 1.12rem 0.95rem 1.12rem;
            border-bottom: 1px solid rgba(226, 232, 240, 0.65);
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            background: rgba(255, 255, 255, 0.36);
        }

        .ai-chat-avatar {
            width: 42px;
            height: 42px;
            border-radius: 17px;
            background:
                radial-gradient(circle at 32% 18%, rgba(246, 223, 181, 0.36), transparent 26%),
                linear-gradient(145deg, #0b0f17, #1f2937 58%, #2f6f8f);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 14px 30px rgba(15, 23, 42, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.14);
        }

        .ai-chat-actions {
            display: flex;
            align-items: center;
            gap: 0.45rem;
        }

        .ai-icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 14px;
            border: 1px solid rgba(148, 163, 184, 0.26);
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(241, 245, 249, 0.74));
            color: #475569;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
            box-shadow: 0 8px 18px rgba(15, 23, 42, 0.055), inset 0 1px 0 rgba(255, 255, 255, 0.8);
        }

        .ai-icon-btn:hover {
            transform: translateY(-1px);
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(246, 223, 181, 0.24));
            border-color: rgba(214, 168, 95, 0.36);
            color: #111827;
            box-shadow: 0 12px 24px rgba(15, 23, 42, 0.09), inset 0 1px 0 rgba(255, 255, 255, 0.86);
        }

        .slide-enter-active {
            transition: all 0.45s var(--ease-out-expo);
        }

        .slide-leave-active {
            transition: all 0.38s cubic-bezier(0.4, 0, 1, 1);
        }

        .slide-enter-from {
            opacity: 0;
            transform: translateY(26px) scale(0.96);
        }

        .slide-leave-to {
            opacity: 0;
            transform: translateY(16px) scale(0.97);
        }

        .fade-enter-active {
            transition: opacity 0.35s var(--ease-out-expo), backdrop-filter 0.35s var(--ease-out-expo);
        }

        .fade-leave-active {
            transition: opacity 0.28s cubic-bezier(0.4, 0, 1, 1), backdrop-filter 0.28s cubic-bezier(0.4, 0, 1, 1);
        }

        .fade-enter-from,
        .fade-leave-to {
            opacity: 0;
        }

        .fade-enter-to,
        .fade-leave-from {
            opacity: 1;
        }

        .msg-bubble {
            animation: msgPop 0.42s var(--ease-out-expo) forwards;
        }

        .msg-bubble.user {
            background: linear-gradient(145deg, #111827 0%, #312e81 100%);
            color: #fff;
            border-radius: 19px 19px 7px 19px;
            padding: 0.78rem 1rem;
            font-size: 0.92rem;
            font-weight: 560;
            letter-spacing: 0.005em;
            box-shadow: 0 12px 26px rgba(49, 46, 129, 0.18);
            transform-origin: bottom right;
            line-height: 1.55;
        }

        .msg-bubble.ai {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(30px) saturate(160%);
            -webkit-backdrop-filter: blur(30px) saturate(160%);
            border: 1px solid rgba(226, 232, 240, 0.72);
            border-radius: 19px 19px 19px 7px;
            padding: 0.84rem 1rem;
            color: #172033;
            font-size: 0.92rem;
            box-shadow: 0 10px 28px rgba(15, 23, 42, 0.055), inset 0 1px 0 rgba(255, 255, 255, 0.7);
            transform-origin: bottom left;
            line-height: 1.68;
        }

        .msg-bubble.ai pre {
            margin: 0.75rem 0 0;
            padding: 0.9rem;
            border-radius: 14px;
            background: #0f172a;
            color: #e2e8f0;
            overflow-x: auto;
            font-size: 0.82rem;
        }

        .msg-bubble.ai p {
            margin: 0 0 0.5rem;
        }

        .msg-bubble.ai p:last-child {
            margin-bottom: 0;
        }

        .msg-avatar {
            width: 1.75rem;
            height: 1.75rem;
            border-radius: 12px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 0.125rem;
            color: #fff;
            background:
                linear-gradient(145deg, #0b0f17, #1f2937 58%, #2f6f8f);
            box-shadow: 0 10px 20px rgba(15, 23, 42, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.14);
        }

        @keyframes msgPop {
            from {
                opacity: 0;
                transform: scale(0.93) translateY(12px);
            }
            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }

        .thinking-container {
            position: relative;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .thinking-orb-core {
            position: absolute;
            inset: 0;
            border-radius: 50%;
            background: conic-gradient(from 0deg, #40C9FF, #AF52DE, #FF2D55, #40C9FF);
            filter: blur(4px);
            animation: spin 2s linear infinite;
            opacity: 0.8;
        }

        .thinking-orb-glow {
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            background: conic-gradient(from 180deg, #FFD60A, #5AC8FA, #AF52DE, #FFD60A);
            filter: blur(8px);
            animation: spin 3s linear infinite reverse;
            opacity: 0.55;
            mix-blend-mode: screen;
        }

        @keyframes spin {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

        @property --ai-glow-angle {
            syntax: "<angle>";
            initial-value: 0deg;
            inherits: false;
        }

        .ai-input-wrapper {
            position: relative;
            border-radius: 30px;
        }

        .ai-input-glow {
            position: absolute;
            inset: -10px;
            border-radius: 34px;
            background:
                conic-gradient(from var(--ai-glow-angle),
                    rgba(246, 223, 181, 0.38),
                    rgba(47, 111, 143, 0.26),
                    rgba(15, 23, 42, 0.18),
                    rgba(214, 168, 95, 0.32),
                    rgba(246, 223, 181, 0.38));
            filter: blur(20px);
            opacity: 0;
            transition: opacity 1s ease;
            animation: rotateAiGlow 7s linear infinite;
            z-index: 0;
            mix-blend-mode: screen;
            pointer-events: none;
        }

        .ai-input-wrapper.focused .ai-input-glow {
            opacity: 0.34;
        }

        @keyframes rotateAiGlow {
            from {
                --ai-glow-angle: 0deg;
            }
            to {
                --ai-glow-angle: 360deg;
            }
        }

        .ai-input-inner {
            position: relative;
            z-index: 1;
            background: rgba(255, 255, 255, 0.68);
            backdrop-filter: blur(40px) saturate(160%);
            -webkit-backdrop-filter: blur(40px) saturate(160%);
            border: 1px solid rgba(255, 255, 255, 0.72);
            border-radius: 28px;
            display: flex;
            align-items: flex-end;
            gap: 6px;
            padding: 5px 6px 5px 15px;
            transition: background 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
            box-shadow: 0 12px 32px rgba(15, 23, 42, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.72);
        }

        .ai-input-wrapper.focused .ai-input-inner {
            background: rgba(255, 255, 255, 0.72);
            border-color: rgba(255, 255, 255, 0.7);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.4), 0 0 0 8px rgba(64, 201, 255, 0.06), 0 14px 40px -10px rgba(0, 0, 0, 0.08);
        }

        .ai-input-inner textarea {
            caret-color: #AF52DE;
            background: transparent;
            border: none;
            outline: none;
            resize: none;
            font-size: 0.9rem;
            font-weight: 500;
            color: #1d1d1f;
            flex: 1;
            padding: 9px 0;
            line-height: 1.5;
            font-family: inherit;
            min-height: 40px;
            max-height: 110px;
            letter-spacing: -0.01em;
            transition: height 0.15s ease;
        }

        .ai-input-inner textarea::placeholder {
            color: rgba(0, 0, 0, 0.3);
        }

        .suggestion-chip {
            border: 1px solid rgba(148, 163, 184, 0.24);
            border-radius: var(--radius-full);
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(241, 245, 249, 0.7));
            color: #475569;
            font-size: 0.76rem;
            font-weight: 820;
            padding: 0.46rem 0.82rem;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
            box-shadow: 0 6px 14px rgba(15, 23, 42, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.76);
            cursor: pointer;
            white-space: nowrap;
        }

        .suggestion-chip:hover {
            transform: translateY(-1px);
            color: #111827;
            border-color: rgba(214, 168, 95, 0.3);
            box-shadow: 0 10px 20px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.84);
        }

        .ai-send-btn {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border: 1px solid rgba(148, 163, 184, 0.24);
            background: rgba(226, 232, 240, 0.72);
            color: #94a3b8;
            transition: transform 0.28s ease, box-shadow 0.28s ease, background 0.28s ease, color 0.28s ease, border-color 0.28s ease;
        }

        .ai-send-btn.ready {
            color: #fff;
            border-color: rgba(246, 223, 181, 0.16);
            background:
                linear-gradient(145deg, #05070b, #111827 58%, #24313b);
            box-shadow: 0 10px 22px rgba(15, 23, 42, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.14);
        }

        .ai-send-btn.ready:hover {
            transform: translateY(-1px) scale(1.04);
            border-color: rgba(246, 223, 181, 0.34);
            box-shadow: 0 14px 28px rgba(15, 23, 42, 0.28);
        }

        .modal-close-btn {
            position: absolute;
            top: 1.1rem;
            right: 1.1rem;
            z-index: 20;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(148, 163, 184, 0.2);
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px) saturate(130%);
            -webkit-backdrop-filter: blur(10px) saturate(130%);
            color: #64748b;
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.7);
            transition: all 0.25s var(--ease-out-expo);
            cursor: pointer;
            -webkit-tap-highlight-color: transparent;
        }

        .modal-close-btn:hover {
            color: #111827;
            border-color: rgba(99, 102, 241, 0.35);
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 4px 18px rgba(15, 23, 42, 0.1), 0 0 20px rgba(99, 102, 241, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
            transform: scale(1.05);
        }

        .modal-close-btn:active {
            transform: scale(0.92);
        }

        .ticket-overlay {
            position: fixed;
            inset: 0;
            z-index: 210;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            background:
                radial-gradient(ellipse 50% 50% at 22% 16%, rgba(99,102,241,0.1), transparent 55%),
                radial-gradient(ellipse 50% 50% at 78% 86%, rgba(15,23,42,0.14), transparent 55%),
                rgba(15,23,42,0.5);
            backdrop-filter: blur(18px) saturate(115%);
            -webkit-backdrop-filter: blur(18px) saturate(115%);
        }

        .ticket-modal {
            position: relative;
            width: min(100%, 1240px);
            max-height: calc(100vh - 64px);
            overflow: hidden;
            border-radius: 36px;
            background:
                linear-gradient(145deg, rgba(255,255,255,0.99), rgba(248,250,252,0.96));
            border: 1px solid rgba(226,232,240,0.75);
            box-shadow:
                0 1px 0 rgba(255,255,255,0.92) inset,
                0 12px 48px rgba(15,23,42,0.1),
                0 48px 120px rgba(15,23,42,0.16);
            animation: modalSlideUp 0.45s var(--ease-out-expo);
        }

        .ticket-modal::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(ellipse 45% 35% at 10% 8%, rgba(99,102,241,0.05), transparent 65%),
                radial-gradient(ellipse 35% 30% at 90% 92%, rgba(15,23,42,0.04), transparent 65%);
            pointer-events: none;
        }

        .ticket-body {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(340px, 0.34fr) minmax(0, 0.66fr);
            min-height: 660px;
            max-height: calc(100vh - 64px);
            overflow: hidden;
        }

        .ticket-query-body {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            padding: clamp(1.75rem, 4vw, 2.5rem);
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }

        .ticket-query-results {
            max-height: 46vh;
            overflow-y: auto;
        }

        .ticket-aside {
            padding: clamp(2.6rem, 4.5vw, 3.4rem);
            color: #fff;
            display: flex;
            flex-direction: column;
            gap: 2rem;
            background:
                radial-gradient(ellipse 65% 45% at 20% 8%, rgba(99,102,241,0.2), transparent 55%),
                radial-gradient(ellipse 55% 40% at 80% 90%, rgba(56,189,248,0.1), transparent 55%),
                linear-gradient(165deg, #070d18 0%, #0e1729 35%, #152135 65%, #18273a 100%);
            border-right: 1px solid rgba(255,255,255,0.08);
        }

        .ticket-aside h3 {
            margin: 0;
            font-size: clamp(2rem, 4vw, 2.8rem);
            line-height: 1.06;
            letter-spacing: -0.045em;
            font-weight: 850;
        }

        .ticket-aside p {
            margin: 0.75rem 0 0;
            color: rgba(255,255,255,0.55);
            line-height: 1.75;
            font-weight: 460;
            font-size: 0.92rem;
        }

        .ticket-aside-icon {
            width: 58px;
            height: 58px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0f172a;
            background: linear-gradient(145deg, #e0e7ff, #c7d2fe);
            box-shadow: 0 14px 32px rgba(99,102,241,0.22);
            flex-shrink: 0;
        }

        .ticket-stats {
            display: grid;
            gap: 0.6rem;
            margin-top: auto;
        }

        .ticket-stat {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            min-height: 48px;
            padding: 0 0.95rem;
            border-radius: 14px;
            color: rgba(255,255,255,0.7);
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.07);
            font-size: 0.82rem;
            font-weight: 580;
            transition: background 0.28s ease, border-color 0.28s ease, transform 0.28s ease;
        }

        .ticket-stat:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.15);
            transform: translateX(3px);
        }

        .ticket-stat strong {
            font-weight: 800;
            color: rgba(255,255,255,0.92);
        }

        .ticket-stat-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 10px;
            background: rgba(99,102,241,0.18);
            color: #a5b4fc;
            flex-shrink: 0;
        }

        .ticket-form-panel {
            padding: clamp(2.4rem, 4vw, 3.2rem);
            background: rgba(255,255,255,0.72);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

        .ticket-form-head {
            margin-bottom: 1.8rem;
            padding-bottom: 1.25rem;
            border-bottom: 1px solid rgba(226,232,240,0.8);
        }

        .ticket-form-head span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.28rem 0.75rem;
            border-radius: 999px;
            color: #4f46e5;
            background: rgba(238,242,255,0.85);
            border: 1px solid rgba(99,102,241,0.2);
            font-size: 0.7rem;
            font-weight: 800;
            letter-spacing: 0.1em;
            text-transform: uppercase;
        }

        .ticket-form-head h4 {
            margin: 0.7rem 0 0;
            color: #0f172a;
            font-size: 1.7rem;
            line-height: 1.2;
            letter-spacing: -0.04em;
            font-weight: 850;
        }

        .ticket-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 1.1rem;
        }

        .ticket-field {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .ticket-field.full {
            grid-column: 1 / -1;
        }

        .ticket-field label {
            color: #334155;
            font-size: 0.82rem;
            font-weight: 720;
            letter-spacing: -0.01em;
        }

        .ticket-input,
        .ticket-select,
        .ticket-textarea {
            width: 100%;
            border: 1px solid rgba(203,213,225,0.7);
            border-radius: 15px;
            background: rgba(255,255,255,0.92);
            color: #0f172a;
            font: inherit;
            font-size: 0.92rem;
            outline: none;
            box-shadow: 0 1px 3px rgba(15,23,42,0.03), inset 0 1px 0 rgba(255,255,255,0.8);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
        }

        .ticket-input,
        .ticket-select {
            min-height: 54px;
            padding: 0 1.1rem;
        }

        .ticket-select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 1.1rem center;
            padding-right: 2.8rem;
            cursor: pointer;
        }

        .ticket-textarea {
            min-height: 170px;
            resize: vertical;
            padding: 1rem 1.1rem;
            line-height: 1.75;
        }

        .ticket-input:hover,
        .ticket-select:hover,
        .ticket-textarea:hover {
            border-color: rgba(148,163,184,0.6);
        }

        .ticket-input:focus,
        .ticket-select:focus,
        .ticket-textarea:focus {
            border-color: rgba(99,102,241,0.5);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(99,102,241,0.08), 0 6px 18px rgba(15,23,42,0.05);
        }

        .ticket-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            margin-top: auto;
            padding-top: 1.4rem;
            border-top: 1px solid rgba(226,232,240,0.8);
        }

        .ticket-note {
            color: #64748b;
            font-size: 0.82rem;
            line-height: 1.65;
            margin: 0;
            font-weight: 520;
        }

        .ticket-actions .btn-primary {
            flex-shrink: 0;
            padding: 0.85rem 2rem;
            font-size: 0.94rem;
        }

        .link-action {
            border: none;
            background: transparent;
            color: #475569;
            font-size: 0.78rem;
            font-weight: 700;
            cursor: pointer;
            transition: color 0.25s ease, gap 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.15rem;
        }

        .link-action:hover {
            color: #7c3aed;
            gap: 0.35rem;
        }

        .hide-scroll::-webkit-scrollbar {
            display: none;
        }

        .hide-scroll {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        ::-webkit-scrollbar {
            width: 5px;
        }

        ::-webkit-scrollbar-track {
            background: transparent;
        }

        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 10px;
        }

        /* ============================================================
               通用动画
            ============================================================ */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes ambientPulse {
            0%,
            100% {
                opacity: 0.92;
                transform: scale(1);
            }
            50% {
                opacity: 1;
                transform: scale(1.02);
            }
        }

        @keyframes ambientDrift {
            0%,
            100% {
                transform: translate3d(0, 0, 0);
            }
            33% {
                transform: translate3d(12px, -10px, 0);
            }
            66% {
                transform: translate3d(-10px, 8px, 0);
            }
        }

        @keyframes floatSoft {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-4px);
            }
        }

        @keyframes floatCard {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        @keyframes surfaceSweep {
            0%,
            100% {
                transform: translateX(-120%);
            }
            45%,
            55% {
                transform: translateX(120%);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.65s var(--ease-out-expo) forwards;
        }

        .delay-100 {
            animation-delay: 0.1s;
            opacity: 0;
        }

        .delay-200 {
            animation-delay: 0.2s;
            opacity: 0;
        }

        .delay-300 {
            animation-delay: 0.3s;
            opacity: 0;
        }

        .result-enter {
            animation: fadeInUp 0.4s var(--ease-out-expo) forwards;
        }

        .gradient-text {
            background: linear-gradient(135deg, var(--brand-indigo) 0%, var(--brand-violet) 50%, #a78bfa 100%);
            background-size: 200% 200%;
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: gradientShift 6s ease-in-out infinite;
        }

        @keyframes gradientShift {
            0%,
            100% {
                background-position: 0% 50%;
            }
            25% {
                background-position: 100% 0%;
            }
            50% {
                background-position: 100% 100%;
            }
            75% {
                background-position: 0% 100%;
            }
        }

        .status-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            display: inline-block;
        }

        .status-dot.online {
            background: #22c55e;
            box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
            animation: pulseDot 2.5s ease-in-out infinite;
        }

        @keyframes pulseDot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        /* ============================================================
               移动端适配
            ============================================================ */
        @media (max-width: 1180px) {
            .nav-shell {
                grid-template-columns: auto auto;
            }

            .nav-links {
                display: none;
            }

            .mobile-menu-btn {
                display: inline-flex;
            }

            .hero-console {
                gap: 1.8rem;
                padding-block: 3.5rem 5rem;
            }

            .hero-console::after {
                left: 0;
                right: 0;
                filter: blur(18px);
            }

            .hero-copy {
                max-width: 100%;
                padding: 0 0.5rem;
                animation: none;
            }

            .auth-card {
                max-width: 100%;
                animation: none;
            }

            .visual-showcase-inner {
                grid-template-columns: 1fr;
            }

            .visual-copy {
                min-height: auto;
            }

            .faq-layout,
            .links-head {
                grid-template-columns: 1fr;
            }

            .support-panel {
                position: relative;
                top: auto;
            }

            .links-note {
                justify-self: stretch;
                max-width: none;
            }

            .partner-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .ai-chat-panel.expanded {
                width: calc(100vw - 40px);
                right: 20px;
            }
        }

        @media (max-width: 760px) {
            .page-shell {
                width: min(100% - 28px, 1600px);
            }

            .nav-shell {
                width: min(100% - 28px, 1600px);
                min-height: 62px;
                gap: 0.8rem;
            }

            .brand-logo {
                height: 34px;
            }

            .nav-status {
                display: none;
            }

            .nav-actions {
                gap: 0.5rem;
            }

            .nav-actions .btn-ghost {
                display: none;
            }

            .hero-console {
                padding-block: 2.5rem 4rem;
            }

            .hero-console::before,
            .hero-console::after,
            .auth-surface::after {
                animation: none;
            }

            .hero-title-line {
                font-size: clamp(2.55rem, 13vw, 4.2rem);
            }

            .visual-showcase {
                border-radius: 28px;
                padding: 0.72rem;
            }

            .visual-stack {
                grid-template-columns: 1fr;
                min-height: auto;
            }

            .visual-side-stack {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }

            .visual-card.main {
                min-height: 340px;
            }

            .visual-card {
                min-height: 210px;
                border-radius: 22px;
            }

            .auth-card {
                border-radius: 26px;
                padding: 0.55rem;
            }

            .auth-surface {
                border-radius: 20px;
                padding: 1.15rem;
            }

            .auth-head {
                align-items: flex-start;
                flex-direction: column;
            }

            .auth-result-grid {
                grid-template-columns: 1fr;
            }

            .support-stats {
                grid-template-columns: 1fr;
            }

            .partner-grid {
                grid-template-columns: 1fr;
            }

            .partner-card {
                min-height: 150px;
            }

            .membership-feature {
                align-items: flex-start;
            }

            .ticket-body {
                grid-template-columns: 1fr;
                min-height: auto;
                max-height: calc(100vh - 48px);
                overflow: hidden auto;
            }

            .ticket-aside {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 1.5rem;
                gap: 0;
            }

            .ticket-aside h3 {
                font-size: 1.7rem;
                margin-top: 1rem;
            }

            .ticket-stats {
                padding-top: 1.2rem;
            }

            .ticket-form-panel {
                padding: 1.5rem;
            }

            .ticket-form-head {
                margin-bottom: 1.2rem;
                padding-bottom: 0.9rem;
            }

            .ticket-modal {
                max-width: calc(100vw - 32px);
            }

            .membership-body {
                grid-template-columns: 1fr;
            }

            .membership-hero {
                border-radius: 0;
                padding: 2rem;
            }

            .membership-detail {
                border-radius: 0;
                padding: 2rem;
            }
        }

        @media (max-width: 640px) {
            .ai-chat-panel {
                right: 0;
                bottom: 0;
                width: 100%;
                max-width: 100%;
                height: 100vh;
                max-height: 100vh;
                border-radius: 0;
                border: none;
                z-index: 105;
            }
            .ai-chat-panel.expanded {
                right: 0;
                bottom: 0;
                width: 100%;
                max-width: 100%;
                height: 100vh;
                max-height: 100vh;
                border-radius: 0;
            }
            .ai-chat-header {
                padding-top: max(0.95rem, env(safe-area-inset-top));
            }
            .floating-actions {
                left: 50%;
                right: auto;
                bottom: 20px;
                width: min(calc(100vw - 32px), 420px);
                flex-direction: row;
                align-items: stretch;
                justify-content: stretch;
                gap: 10px;
                padding: 0;
                border-radius: 0;
                transform: translateX(-50%);
            }
            .floating-actions.chat-open {
                display: none;
            }
            .float-btn {
                flex: 1;
                min-width: 0;
                width: auto;
                height: 48px;
                padding: 0 12px;
                border-radius: 16px;
                justify-content: flex-start;
                z-index: 110;
            }
            .float-btn:hover {
                width: auto;
                padding: 0 12px;
                border-radius: 16px;
                justify-content: flex-start;
                transform: none;
            }
            .float-btn::after {
                border-radius: 15px;
            }
            .float-btn-copy {
                opacity: 1;
                pointer-events: auto;
                overflow: hidden;
                flex: 1;
                min-width: 0;
                margin-left: 8px;
            }
            .float-btn:hover .float-btn-copy {
                opacity: 1;
                transition: none;
            }
            .float-btn-copy strong,
            .float-btn-copy span {
                max-width: 80px;
                overflow: hidden;
                text-overflow: ellipsis;
            }
            .float-btn-icon {
                width: 30px;
                height: 30px;
                border-radius: 12px;
            }
            .float-btn:hover .float-btn-icon {
                transform: none;
            }
            .visual-copy {
                padding: 1.15rem;
            }
            .visual-copy h2 {
                font-size: 2.35rem;
            }
            .visual-side-stack {
                grid-template-columns: 1fr;
            }
            .visual-card.main,
            .visual-card {
                min-height: 260px;
            }
            .membership-modal {
                max-width: calc(100vw - 20px);
                max-height: calc(100vh - 20px);
                overflow-y: auto;
                border-radius: 24px;
            }
            .ticket-modal {
                max-width: calc(100vw - 20px);
                max-height: calc(100vh - 20px);
                overflow-y: auto;
                border-radius: 24px;
            }

            .ticket-grid,
            .ticket-actions {
                grid-template-columns: 1fr;
            }

            .ticket-actions {
                flex-direction: column;
                gap: 1rem;
            }

            .ticket-actions .btn-primary {
                width: 100%;
            }
            .ticket-aside,
            .ticket-form-panel {
                padding: 1.5rem;
            }
            .ticket-aside {
                gap: 1.2rem;
            }
            .ticket-aside h3 {
                font-size: 1.7rem;
            }
            .membership-hero {
                padding: 2.2rem;
                border-radius: 0;
            }
            .membership-detail {
                padding: 2.2rem;
                border-radius: 0;
            }
            .membership-title {
                font-size: 2.6rem;
            }
            .membership-price strong {
                font-size: 4.2rem;
            }
            .membership-hero-img img {
                height: 140px;
            }
        }

        @media (max-width: 380px) {
            .float-btn-copy span {
                display: none;
            }

            .float-btn-copy strong {
                font-size: 0.82rem;
            }
        }

        /* ============================================================
               状态指示器扩展
            ============================================================ */
        .status-dot.offline {
            background: #ef4444;
            box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
        }

        /* ============================================================
               管理面板表格
            ============================================================ */
        .admin-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
        }

        .admin-table th {
            text-align: left;
            color: #64748b;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 0.65rem 0.75rem;
            border-bottom: 2px solid #e2e8f0;
            white-space: nowrap;
        }

        .admin-table td {
            padding: 0.7rem 0.75rem;
            border-bottom: 1px solid #f1f5f9;
            vertical-align: middle;
        }

        .admin-table tbody tr {
            transition: background 0.2s ease;
        }

        .admin-table tbody tr:hover {
            background: rgba(248, 250, 252, 0.7);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.2rem 0.6rem;
            border-radius: 999px;
            font-size: 0.68rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .badge-trial {
            background: #fef3c7;
            color: #92400e;
        }

        .badge-1day {
            background: #dbeafe;
            color: #1e40af;
        }

        .badge-permanent {
            background: #ede9fe;
            color: #6d28d9;
        }

        .badge-active {
            background: #d1fae5;
            color: #065f46;
        }

        .badge-used {
            background: #f1f5f9;
            color: #475569;
        }

        .badge-deleted {
            background: #fce4ec;
            color: #991b1b;
        }

        .badge-pending {
            background: #fef3c7;
            color: #92400e;
        }

        .badge-processing {
            background: #dbeafe;
            color: #1e40af;
        }

        .badge-resolved {
            background: #d1fae5;
            color: #065f46;
        }

        .badge-closed {
            background: #f1f5f9;
            color: #475569;
        }

        .action-btn-danger {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.3rem 0.7rem;
            border: none;
            border-radius: 8px;
            background: transparent;
            color: #ef4444;
            font-size: 0.78rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s ease;
        }

        .action-btn-danger:hover {
            background: #fef2f2;
        }

        .stats-card {
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border: 1px solid rgba(226, 232, 240, 0.7);
            border-radius: 18px;
            padding: 1.15rem 1.25rem;
            text-align: center;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.7);
            transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s ease;
        }

        .stats-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.9);
        }

        .stats-card-value {
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: -0.04em;
            line-height: 1;
        }

        .stats-card-label {
            margin-top: 0.35rem;
            font-size: 0.72rem;
            font-weight: 600;
            color: #64748b;
            letter-spacing: 0.02em;
        }