/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    :root {
        --primary-color: #2563EB;
        --secondary-color: #F97316;
        --dark-gray: #1F2937;
        --light-bg: #F8FAFC;
        --white: #FFFFFF;
        --danger: #EF4444;
        --success: #22C55E;
        --accent: #F59E0B;
        --warning: #EAB308;
        --text-primary: #1E293B;
        --text-secondary: #64748B;
        --border-color: #CBD5E1;
    }

    body {
        font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
        line-height: 1.7;
        color: var(--text-primary);
        background-color: var(--light-bg);
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* 风险警示条 */
    .risk-warning {
        background: linear-gradient(135deg, var(--danger) 0%, #DC2626 100%);
        color: white;
        padding: 15px 0;
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .risk-warning .container {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        text-align: center;
    }

    .risk-warning i {
        font-size: 1.2rem;
        animation: pulse 2s ease-in-out infinite;
    }

    @keyframes pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.6; }
    }

    .risk-warning span {
        font-size: 0.95rem;
        font-weight: 500;
    }

    /* Hero 区域 */
    .hero {
        position: relative;
        min-height: 550px;
        display: flex;
        align-items: center;
        overflow: hidden;
        padding: 60px 0;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    }

    .hero-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.95) 0%, rgba(249, 115, 22, 0.9) 100%);
        opacity: 0.9;
        z-index: 0;
    }

    .hero-container {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: 1.3fr 0.7fr;
        gap: 50px;
        align-items: center;
    }

    .hero-content {
        color: white;
    }

    .hero-badge {
        display: inline-block;
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(10px);
        padding: 8px 20px;
        border-radius: 50px;
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 20px;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .hero-title {
        font-size: 2.8rem;
        font-weight: 800;
        margin-bottom: 20px;
        line-height: 1.15;
        text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
        letter-spacing: -0.02em;
    }

    .hero-subtitle {
        font-size: 1.15rem;
        font-weight: 400;
        margin-bottom: 25px;
        line-height: 1.8;
        opacity: 0.95;
        text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
    }

    .hero-features {
        display: flex;
        gap: 20px;
        margin-bottom: 35px;
        flex-wrap: wrap;
    }

    .hero-feature-item {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.95rem;
        color: rgba(255, 255, 255, 0.95);
    }

    .hero-feature-item i {
        color: #FEE500;
        font-size: 1rem;
    }

    .cta-button {
        background: linear-gradient(135deg, #2563EB, #F97316);
        color: white;
        border: none;
        padding: 18px 45px;
        font-size: 1.15rem;
        font-weight: 700;
        border-radius: 12px;
        cursor: pointer;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
        font-family: 'Noto Sans SC', sans-serif;
        box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
        width: 100%;
        max-width: 320px;
        position: relative;
        overflow: hidden;
        text-decoration: none;
        margin: 0 auto;
    }

    .cta-button::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.2);
        transform: translate(-50%, -50%);
        transition: width 0.6s, height 0.6s;
    }

    .cta-button:hover::before {
        width: 300px;
        height: 300px;
    }

    .cta-button:hover {
        background: linear-gradient(135deg, #1D4ED8, #EA580C);
        transform: translateY(-4px);
        box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
        filter: brightness(1.05);
    }

    .btn-icon {
        width: 26px;
        height: 26px;
        object-fit: contain;
        position: relative;
        z-index: 1;
    }

    .btn-text {
        position: relative;
        z-index: 1;
    }

    /* 股票跑马灯 */
    .hero-ticker {
        background: white;
        border-radius: 20px;
        padding: 30px;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        backdrop-filter: blur(10px);
    }

    .ticker-header {
        display: flex;
        align-items: center;
        gap: 12px;
        color: var(--primary-color);
        font-weight: 700;
        font-size: 1.15rem;
        margin-bottom: 25px;
        padding-bottom: 18px;
        border-bottom: 3px solid var(--light-bg);
    }

    .ticker-header i {
        font-size: 1.3rem;
    }

    .ticker-content {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }

    .ticker-item {
        padding: 18px;
        background: var(--light-bg);
        border-radius: 12px;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 4px solid transparent;
        text-align: center;
        margin: 0 auto;
    }

    .ticker-item:hover {
        background: #E9ECEF;
        transform: translateY(-3px) scale(1.02);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        border-left-color: var(--secondary-color);
    }

    .ticker-label {
        font-size: 0.85rem;
        color: #6C757D;
        font-weight: 600;
        margin-bottom: 8px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .ticker-value {
        font-size: 1.6rem;
        font-weight: 700;
        margin-bottom: 6px;
    }

    .ticker-value.up {
        color: var(--success);
    }

    .ticker-value.down {
        color: var(--danger);
    }

    .ticker-change {
        font-size: 0.9rem;
        font-weight: 600;
    }

    .ticker-change.up {
        color: var(--success);
    }

    .ticker-change.down {
        color: var(--danger);
    }

    .ticker-disclaimer {
        margin-top: 18px;
        font-size: 0.75rem;
        color: #999;
        text-align: center;
        font-style: italic;
    }

    /* 特色功能区域 */
    .features {
        padding: 70px 0;
        background: white;
    }

    .section-title {
        text-align: center;
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--primary-color);
        margin-bottom: 50px;
        position: relative;
        letter-spacing: -0.02em;
    }

    .section-title::after {
        content: '';
        position: absolute;
        bottom: -12px;
        left: 50%;
        transform: translateX(-50%);
        width: 70px;
        height: 4px;
        background: var(--secondary-color);
        border-radius: 2px;
    }

    .feature-item {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        align-items: center;
        padding: 40px;
        border-radius: 20px;
        background: white;
        box-shadow: 0 10px 35px rgba(0, 0, 0, 0.06);
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        margin-bottom: 60px;
        margin: 0 auto 60px;
        max-width: 98%;
    }

    .feature-item:hover {
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
        transform: translateY(-8px) scale(1.01);
    }

    .feature-item.reverse {
        direction: rtl;
    }

    .feature-item.reverse > * {
        direction: ltr;
    }

    .feature-icon {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        color: var(--white);
        margin: 0 auto 30px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .feature-icon i {
        font-size: 2rem;
        color: white;
    }

    .feature-text h3 {
        font-size: 1.8rem;
        font-weight: 600;
        color: var(--primary-color);
        margin-bottom: 15px;
    }

    .feature-text > p {
        font-size: 1.1rem;
        color: #6C757D;
        margin-bottom: 10px;
        line-height: 1.8;
    }

    .feature-note {
        font-size: 0.85rem !important;
        color: var(--danger) !important;
        font-weight: 500 !important;
        margin-bottom: 20px !important;
    }

    .feature-text ul {
        list-style: none;
        margin-top: 20px;
    }

    .feature-text ul li {
        padding: 10px 0;
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1rem;
    }

    .feature-text ul li i {
        color: var(--secondary-color);
        font-size: 1rem;
    }

    .feature-image {
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto;
        padding: 15px;
        border-radius: 12px;
        background-color: #ffffff;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .feature-image:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    }

    .feature-image img {
        border-radius: 8px;
        object-fit: cover;
        width: 100%;
        height: auto;
    }

    .placeholder-image {
        width: 100%;
        max-width: 400px;
        aspect-ratio: 1;
        background: linear-gradient(135deg, var(--light-bg) 0%, #E9ECEF 100%);
        border-radius: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .placeholder-image i {
        font-size: 6rem;
        color: var(--primary-color);
        opacity: 0.3;
    }

    /* 会员评价 */
    .testimonials {
        padding: 80px 0;
        background: var(--light-bg);
    }

    .section-subtitle {
        text-align: center;
        font-size: 1.1rem;
        color: #6C757D;
        margin-top: -40px;
        margin-bottom: 50px;
    }

    .testimonial-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 40px;
    }

    .testimonial-card {
        background: white;
        padding: 35px;
        border-radius: 16px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
        border-top: 4px solid var(--secondary-color);
        margin: 0 auto;
        max-width: 95%;
    }

    .testimonial-card::before {
        content: '"';
        position: absolute;
        top: 10px;
        right: 20px;
        font-size: 80px;
        color: rgba(176, 139, 89, 0.06);
        font-family: serif;
        line-height: 1;
    }

    .testimonial-card:hover {
        transform: translateY(-8px) scale(1.02);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        border-top-color: var(--primary-color);
    }

    .testimonial-avatar {
        display: flex;
        justify-content: center;
        margin-bottom: 25px;
    }

    .testimonial-avatar i {
        font-size: 4rem;
        color: var(--secondary-color);
    }

    .testimonial-content p {
        font-size: 1rem;
        line-height: 1.8;
        color: var(--dark-gray);
        margin-bottom: 20px;
        font-style: italic;
    }

    .testimonial-author {
        font-size: 0.9rem;
        color: var(--primary-color);
        font-weight: 600;
        text-align: right;
    }

    /* 学习日程 */
    .schedule {
        padding: 80px 0;
        background: white;
    }

    .schedule-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 35px;
    }

    .schedule-card {
        background: white;
        padding: 30px;
        border-radius: 12px;
        border-left: 5px solid var(--secondary-color);
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
        margin: 0 auto;
        max-width: 95%;
    }

    .schedule-card:hover {
        background: white;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
        transform: translateY(-6px) scale(1.01);
        border-left-color: var(--primary-color);
    }

    .schedule-day {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 10px;
    }

    .schedule-time {
        font-size: 0.95rem;
        color: var(--secondary-color);
        font-weight: 600;
        margin-bottom: 15px;
    }

    .schedule-title {
        font-size: 1.1rem;
        font-weight: 600;
        color: var(--dark-gray);
        margin-bottom: 10px;
    }

    .schedule-desc {
        font-size: 0.9rem;
        color: #6C757D;
        line-height: 1.6;
    }

    /* FAQ */
    .faq {
        padding: 70px 0;
        background: var(--light-bg);
    }

    .faq-container {
        max-width: 850px;
        margin: 0 auto;
    }

    .faq-item {
        background: white;
        border-radius: 12px;
        margin-bottom: 12px;
        overflow: hidden;
        box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
        border-left: 4px solid var(--secondary-color);
    }

    .faq-question {
        padding: 22px 28px;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--primary-color);
        transition: all 0.3s ease;
    }

    .faq-question:hover {
        background: var(--light-bg);
    }

    .faq-question i {
        color: var(--secondary-color);
        transition: transform 0.3s ease;
    }

    .faq-item.active .faq-question i {
        transform: rotate(45deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
        padding: 0 28px 0;
    }

    .faq-item.active .faq-answer {
        max-height: 500px;
    }

    .faq-answer p {
        padding: 0 30px 25px 60px;
        color: var(--dark-gray);
        line-height: 1.8;
    }

    /* Footer */
    .footer {
        background-color: var(--dark-gray);
        color: var(--white);
        padding: 70px 0 30px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
        margin-bottom: 40px;
    }

    .footer-section h3 {
        font-size: 1.2rem;
        font-weight: 700;
        margin-bottom: 16px;
        color: white;
        padding-bottom: 10px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-section p {
        font-size: 0.95rem;
        line-height: 1.8;
        margin-bottom: 15px;
        opacity: 0.9;
    }

    .footer-section ul {
        list-style: none;
    }

    .footer-section ul li {
        padding: 8px 0;
        font-size: 0.9rem;
        opacity: 0.85;
        padding-left: 20px;
        position: relative;
    }

    .footer-section ul li::before {
        content: '•';
        position: absolute;
        left: 0;
        color: var(--secondary-color);
        font-weight: bold;
    }

    .footer-small {
        font-size: 0.85rem !important;
        opacity: 0.7 !important;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 25px;
        text-align: center;
    }

    .footer-bottom p {
        font-size: 0.9rem;
        margin-bottom: 10px;
        opacity: 0.95;
    }

    .footer-warning {
        color: var(--secondary-color) !important;
        font-weight: 600 !important;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }

    /* 固定CTA按钮 */
    .fixed-cta {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 100;
    }

    .fixed-cta .cta-button {
        min-width: 220px;
        padding: 16px 30px;
        font-size: 1rem;
        background: linear-gradient(135deg, #2563EB, #F97316);
        color: white;
        box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    }

    /* 响应式布局 */
    @media (max-width: 1200px) {
        .container {
            max-width: 1000px;
        }
        .hero-title {
            font-size: 2.6rem;
        }
        .feature-item {
            gap: 40px;
        }
    }

    @media (max-width: 992px) {
        .container {
            max-width: 900px;
        }
        .hero-container {
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .hero-title {
            font-size: 2.4rem;
            text-align: center;
        }
        .hero-subtitle {
            text-align: center;
        }
        .hero-features {
            justify-content: center;
        }
        .feature-item {
            grid-template-columns: 1fr;
            gap: 30px;
            padding: 25px;
        }
        .feature-item.reverse {
            direction: ltr;
        }
        .footer-grid {
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        }
    }

    @media (max-width: 768px) {
        .container {
            max-width: 100%;
            padding: 0 15px;
        }
        .risk-warning span {
            font-size: 0.85rem;
        }
        .hero {
            min-height: auto;
            padding: 50px 0;
        }
        .section-title {
            font-size: 1.8rem;
        }
        .hero-title {
            font-size: 2rem;
            text-align: center;
            margin-bottom: 20px;
        }
        .hero-subtitle {
            font-size: 1rem;
            text-align: center;
            margin-bottom: 25px;
            padding: 0 10px;
        }
        .hero-features {
            flex-direction: column;
            align-items: center;
            gap: 15px;
            margin-bottom: 30px;
            justify-content: center;
        }
        .hero-feature-item {
            font-size: 0.85rem;
        }
        .cta-button {
            font-size: 1.05rem;
            padding: 16px 35px;
            width: 100%;
            max-width: 320px;
            gap: 10px;
        }
        .hero-ticker {
            display: none;
        }
        .hero-container {
            grid-template-columns: 1fr;
            gap: 40px;
            text-align: center;
        }
        .hero-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .hero-badge {
            font-size: 0.8rem;
            padding: 6px 16px;
            margin-bottom: 20px;
        }
        .feature-item,
        .feature-item.reverse {
            grid-template-columns: 1fr;
            gap: 30px;
            direction: ltr;
            text-align: center;
        }
        .feature-text {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .feature-text h3 {
            font-size: 1.5rem;
            text-align: center;
        }
        .feature-text > p {
            text-align: center;
        }
        .feature-text ul {
            text-align: left;
            display: inline-block;
        }
        /* 图片卡片样式已在上方定义 */
        .placeholder-image {
            max-width: 100%;
            margin: 0 auto;
        }
        .testimonial-grid {
            grid-template-columns: 1fr;
            gap: 25px;
        }
        .testimonial-card {
            padding: 25px;
        }
        .schedule-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .schedule-card {
            padding: 25px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .faq-question {
            padding: 20px;
            font-size: 1rem;
        }
        .footer {
            padding: 60px 0 25px;
        }
        .fixed-cta {
            bottom: 15px;
            left: 50%;
            transform: translateX(-50%);
        }
        .fixed-cta .cta-button {
            font-size: 0.95rem;
            padding: 14px 25px;
            gap: 8px;
        }
    }

    @media (max-width: 480px) {
        .container {
            padding: 0 15px;
        }

        .hero {
            padding: 40px 0 50px;
        }

        .hero-badge {
            font-size: 0.75rem;
            padding: 5px 14px;
        }

        .hero-title {
            font-size: 1.8rem;
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .hero-subtitle {
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .hero-features {
            gap: 12px;
            margin-bottom: 25px;
            flex-direction: column;
            align-items: center;
        }

        .hero-feature-item {
            font-size: 0.8rem;
        }

        .cta-button {
            font-size: 1rem;
            padding: 15px 30px;
            width: 100%;
            justify-content: center;
        }

        .btn-icon {
            width: 22px;
            height: 22px;
        }

        .hero-ticker {
            display: none;
        }

        .section-title {
            font-size: 1.6rem;
        }

        .section-title::after {
            width: 50px;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 20px;
        }

        .feature-icon i {
            font-size: 1.5rem;
        }

        .feature-item {
            padding: 20px;
            margin-bottom: 50px;
        }

        .feature-text h3 {
            font-size: 1.3rem;
        }

        .faq-question {
            font-size: 1rem;
            padding: 20px;
        }

        .faq-answer p {
            padding: 0 20px 20px 45px;
            font-size: 0.9rem;
        }

        .testimonial-card {
            padding: 25px;
        }

        .schedule-card {
            padding: 25px;
        }

        .fixed-cta {
            bottom: 10px;
            left: 50%;
            right: auto;
            transform: translateX(-50%);
        }

        .fixed-cta .cta-button {
            width: 100%;
            justify-content: center;
            font-size: 0.9rem;
            padding: 12px 20px;
        }
    }