.contact-account {
    display: flex;
    .wechat-icon {
        background: linear-gradient(135deg, #7edc5a 60%, #3a53a3 100%);
        color: #fff;
        font-size: 1.18rem;
        font-weight: bold;
        display: flex;
        align-items: center;
        justify-content: center;
        letter-spacing: 2px;
    }
    .qq-icon {
        background: linear-gradient(135deg, #3a53a3 60%, #ff9800 100%);
        color: #fff;
        font-size: 1.18rem;
        font-weight: bold;
        display: flex;
        align-items: center;
        justify-content: center;
        letter-spacing: 2px;
    }
    transform: scale(1.12);
    box-shadow: 0 8px 32px rgba(255,152,0,0.22);
}
@keyframes breath-icon {
    from { box-shadow: 0 2px 12px rgba(58,83,163,0.18); }
    to { box-shadow: 0 8px 32px rgba(255,152,0,0.22); }
}
/* 微信图标CSS绘制 */
.wechat-icon {
    background: linear-gradient(135deg, #7edc5a 60%, #3a53a3 100%);
}
.wechat-icon::before {
    content: '';
    display: block;
    position: absolute;
    left: 13px;
    top: 15px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 12px 8px 0 0 #fff;
}
.wechat-icon::after {
    content: '';
    display: block;
    position: absolute;
    left: 18px;
    top: 22px;
    width: 3px;
    height: 3px;
    background: #7edc5a;
    border-radius: 50%;
    box-shadow: 7px 0 0 0 #7edc5a, 3px 6px 0 0 #7edc5a;
}
/* QQ图标CSS绘制 */
.qq-icon {
    background: linear-gradient(135deg, #3a53a3 60%, #ff9800 100%);
}
.qq-icon::before {
    content: '';
    display: block;
    position: absolute;
    left: 17px;
    top: 13px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50% 50% 60% 60% / 50% 50% 80% 80%;
    box-shadow: 0 10px 0 0 #fff;
}
.qq-icon::after {
    content: '';
    display: block;
    position: absolute;
    left: 24px;
    top: 32px;
    width: 6px;
    height: 6px;
    background: #ff9800;
    border-radius: 50%;
    box-shadow: -8px 0 0 0 #ff9800;
}
/* 微信/QQ弹窗样式 */
.contact-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
}
.contact-modal-content {
    background: #fff;
    border-radius: 16px;
    padding: 24px 18px 18px 18px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.18);
    text-align: center;
    position: relative;
    min-width: 220px;
}
.contact-modal-content p {
    margin: 12px 0 0 0;
    color: #3a53a3;
    font-size: 1.08rem;
    font-weight: bold;
}
.contact-modal-close {
    color: #3a53a3;
    font-size: 2.2rem;
    font-weight: bold;
    position: absolute;
    top: 10px;
    right: 18px;
    cursor: pointer;
    z-index: 10001;
    text-shadow: 0 2px 8px #fff;
}
/* 放大图片模态框样式 */
.img-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.img-modal-content {
    max-width: 92vw;
    max-height: 80vh;
    border-radius: 10px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}
.img-modal-close {
    color: #fff;
    font-size: 2.2rem;
    font-weight: bold;
    position: absolute;
    top: 18px;
    right: 28px;
    cursor: pointer;
    z-index: 10000;
    text-shadow: 0 2px 8px #000;
}
body {
    margin: 0;
    padding: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    background: #f6f7fb;
    color: #222;
}
    position: fixed;
    right: 18px;
    bottom: 30%;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 16px;
.banner {
    width: 100vw;
    background: linear-gradient(90deg, #3a53a3 60%, #ff9800 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px 0 12px 0;
    box-shadow: 0 4px 24px rgba(58,83,163,0.18);
}
.banner-img {
    width: 92vw;
    max-width: 440px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(255,152,0,0.12);
    border: 4px solid #fff;
}
.features {
    margin: 18px 0 0 0;
    padding: 0 16px;
}
.features h2 {
    font-size: 1.1rem;
    color: #3a53a3;
    margin-bottom: 10px;
}
.feature-list {
    display: grid;
    grid-template-columns: 50% 50%;
    gap: 18px;
}
.feature-item {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 18px rgba(58,83,163,0.10);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 22px 0 16px 0;
    width: 100%;
    box-sizing: border-box;
    transition: transform 0.18s;
}
.feature-item:hover {
    transform: scale(1.04);
    box-shadow: 0 8px 32px rgba(255,152,0,0.18);
}
.feature-item img {
    width: 82px;
    height: 82px;
    object-fit: cover;
    margin-bottom: 8px;
    cursor: pointer;
    border-radius: 50%;
    background: radial-gradient(circle at 60% 40%, #ff9800 0%, #3a53a3 100%);
    box-shadow: 0 2px 16px rgba(58,83,163,0.18);
    transition: transform 0.18s, box-shadow 0.18s;
}
.feature-item img:hover {
    transform: scale(1.12);
    box-shadow: 0 8px 32px rgba(255,152,0,0.22);
}
.feature-item span {
    font-size: 1.08rem;
    color: #ff9800;
    margin-top: 6px;
    font-weight: bold;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px #fff;
}
.cta-btn {
    background: linear-gradient(90deg, #3a53a3 60%, #ff9800 100%);
    color: #fff;
    font-size: 1.18rem;
    border: none;
    border-radius: 12px;
    padding: 16px 0;
    box-shadow: 0 4px 18px rgba(58,83,163,0.12);
    cursor: pointer;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 2px;
    animation: breath 1.8s infinite alternate;
    transition: background 0.2s, transform 0.18s;
}
.cta-btn-main {
    background: linear-gradient(90deg, #ff9800 60%, #3a53a3 100%);
    color: #fff;
    font-weight: bold;
    animation: breath-main 1.2s infinite alternate;
}
.cta-btn:hover {
    background: linear-gradient(90deg, #2c3e91 60%, #ff9800 100%);
    transform: scale(1.04);
}
.cta-btn-main:hover {
    background: linear-gradient(90deg, #e67c00 60%, #3a53a3 100%);
    transform: scale(1.06);
}
@keyframes breath {
    from { box-shadow: 0 4px 18px rgba(58,83,163,0.12); }
    to { box-shadow: 0 8px 32px rgba(255,152,0,0.18); }
}
@keyframes breath-main {
    from { box-shadow: 0 4px 18px rgba(255,152,0,0.18); }
    to { box-shadow: 0 12px 48px rgba(255,152,0,0.32); }
}
.plan-show {
    margin: 28px 0 0 0;
    padding: 0 16px;
}
.plan-show h2 {
    font-size: 1.18rem;
    color: #fff;
    background: linear-gradient(90deg, #3a53a3 60%, #ff9800 100%);
    border-radius: 8px;
    padding: 8px 0;
    margin-bottom: 14px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(58,83,163,0.10);
}
.plan-imgs {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    margin-bottom: 12px;
}
.plan-imgs img {
    width: 130px;
    height: 220px;
    object-fit: cover;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(58,83,163,0.12);
    border: 3px solid #fff;
    cursor: pointer;
    transition: transform 0.18s, box-shadow 0.18s;
}
.plan-imgs img:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 48px rgba(255,152,0,0.22);
}
.plan-desc {
    font-size: 1.08rem;
    color: #ff9800;
    text-align: center;
    margin-bottom: 14px;
    font-weight: bold;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px #fff;
}
.footer-nav {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100vw;
    background: linear-gradient(90deg, #3a53a3 60%, #ff9800 100%);
    box-shadow: 0 -4px 18px rgba(58,83,163,0.10);
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 56px;
    z-index: 10;
}
.nav-item {
    color: #fff;
    font-size: 1.02rem;
    text-align: center;
    font-weight: bold;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px #3a53a3;
}
@media (max-width: 500px) {
    .feature-list {
        gap: 10px;
    }
    .feature-item img {
        width: 70px;
        height: 70px;
    }
}
        body {
            margin: 0;
            padding: 0 0 66px 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
            background: #f6f7fb;
            color: #222;
        }
        .banner {
            width: 100vw;
            background: #3a53a3;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 16px 0 8px 0;
        }
        .banner-img {
            width: 90vw;
            max-width: 400px;
            height: 136px;
            object-fit: cover;
            object-position: center 31%;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }
        .features {
            margin: 18px 0 0 0;
            padding: 0 16px;
        }
        .features h2 {
            font-size: 1.1rem;
            color: #3a53a3;
            margin-bottom: 10px;
        }
        .feature-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .feature-item {
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 1px 4px rgba(0,0,0,0.06);
            width: 22vw;
            min-width: 70px;
            max-width: 100px;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 10px 0 6px 0;
        }
        .feature-item img {
            width: 36px;
            height: 36px;
            margin-bottom: 4px;
        }
        .feature-item span {
            font-size: 0.95rem;
            color: #3a53a3;
        }
        .plan-show {
            margin: 22px 0 0 0;
            padding: 0 16px;
        }
        .plan-show h2 {
            font-size: 1.1rem;
            
            margin-bottom: 10px;
        }
        .plan-imgs {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            margin-bottom: 8px;
        }
        .plan-imgs img {
            width: 120px;
            height: 220px;
            object-fit: cover;
            border-radius: 8px;
            box-shadow: 0 1px 6px rgba(0,0,0,0.08);
        }
        .plan-desc {
            font-size: 1rem;
            color: #444;
            text-align: center;
            margin-bottom: 10px;
        }
        .cta {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 0 16px;
            margin: 24px 0 0 0;
        }
        .cta-btn {
            background: #3a53a3;
            color: #fff;
            font-size: 1.1rem;
            border: none;
            border-radius: 8px;
            padding: 14px 0;
            box-shadow: 0 2px 8px rgba(58,83,163,0.08);
            cursor: pointer;
            transition: background 0.2s;
        }
        .cta-btn-main {
            background: #ff9800;
            color: #fff;
            font-weight: bold;
        }
        .cta-btn:hover {
            background: #2c3e91;
        }
        .cta-btn-main:hover {
            background: #e67c00;
        }
        .footer-nav {
            position: fixed;
            left: 0;
            bottom: 0;
            width: 100vw;
            background: #fff;
            box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
            display: flex;
            justify-content: space-around;
            align-items: center;
            height: 54px;
            z-index: 10;
        }
        .nav-item {
            color: #3a53a3;
            font-size: 0.95rem;
            text-align: center;
        }
        @media (max-width: 500px) {
            .feature-item {
                width: 44vw;
                min-width: 70px;
                max-width: 170px;
            }
            .plan-imgs img {
                width: 32vw;
                height: 38vw;
                min-width: 90px;
                min-height: 120px;
            }
        }
        /* 浮动客服图标 */
        .contact-float {
            position: fixed;
            right: 18px;
            bottom: 30%;
            z-index: 9999;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .contact-float-btn {
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 2px 12px rgba(58,83,163,0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: box-shadow 0.18s, transform 0.18s;
            border: none;
            outline: none;
        }
        .contact-float-btn:hover {
            box-shadow: 0 8px 32px rgba(255,152,0,0.22);
            transform: scale(1.08);
        }
        .contact-float-btn img {
            width: 32px;
            height: 32px;
            animation: breath-float 1.6s infinite alternate;
        }
        @keyframes breath-float {
            from {
                box-shadow: 0 2px 12px rgba(58,83,163,0.18);
                transform: scale(1);
            }
            to {
                box-shadow: 0 8px 32px rgba(255,152,0,0.22);
                transform: scale(1.12);
            }
        }
        /* 弹窗样式 */
        .contact-modal {
            display: none;
            position: fixed;
            z-index: 10000;
            left: 0;
            top: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0,0,0,0.7);
            justify-content: center;
            align-items: center;
        }
        .contact-modal-content {
            background: #fff;
            border-radius: 16px;
            padding: 24px 18px 18px 18px;
            box-shadow: 0 2px 16px rgba(0,0,0,0.18);
            text-align: center;
            position: relative;
            min-width: 220px;
        }
        .contact-modal-content p {
            margin: 12px 0 0 0;
            color: #3a53a3;
            font-size: 1.08rem;
            font-weight: bold;
        }
        .contact-modal-close {
            color: #3a53a3;
            font-size: 2.2rem;
            font-weight: bold;
            position: absolute;
            top: 10px;
            right: 18px;
            cursor: pointer;
            z-index: 10001;
            text-shadow: 0 2px 8px #fff;
        }
        .contact-modal-copy {
            margin-top: 16px;
            background: #3a53a3;
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 8px 18px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.18s;
        }
        .contact-modal-copy:hover {
            background: #ff9800;
        }
        /* 限时活动弹窗 */
        .promo-modal {
            display: none;
            position: fixed;
            z-index: 20000;
            left: 0;
            top: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0,0,0,0.65);
            justify-content: center;
            align-items: center;
        }
        .promo-modal-content {
            background: #fffbe6;
            border-radius: 18px;
            padding: 32px 28px 24px 28px;
            box-shadow: 0 4px 32px rgba(255,152,0,0.18);
            text-align: center;
            position: relative;
            min-width: 260px;
            max-width: 90vw;
        }
        .promo-modal-content h2 {
            color: #ff9800;
            font-size: 1.4rem;
            margin-bottom: 10px;
        }
        .promo-modal-content p {
            color: #3a53a3;
            font-size: 1.08rem;
            margin-bottom: 18px;
        }
        .promo-modal-close {
            color: #ff9800;
            font-size: 2.2rem;
            font-weight: bold;
            position: absolute;
            top: 10px;
            right: 18px;
            cursor: pointer;
            z-index: 20001;
            text-shadow: 0 2px 8px #fff;
        }
        .promo-modal-btn {
            background: linear-gradient(90deg, #ff9800 60%, #3a53a3 100%);
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 12px 32px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            margin-top: 8px;
            box-shadow: 0 2px 8px rgba(255,152,0,0.12);
            transition: background 0.18s;
        }
        .promo-modal-btn:hover {
            background: linear-gradient(90deg, #e67c00 60%, #3a53a3 100%);
        }
        .promo-modal-timer {
            color: #e67c00;
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 8px;
        }
        /* 用户晒单/好评区 */
        .feedback-section {
            margin: 32px 0 0 0;
            padding: 0 16px;
        }
        .feedback-section h2 {
            font-size: 1.1rem;
            color: #ff9800;
            margin-bottom: 12px;
        }
        .feedback-list {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .feedback-item {
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(255,152,0,0.10);
            padding: 14px 18px;
            min-width: 180px;
            max-width: 240px;
            flex: 1 1 180px;
            font-size: 0.98rem;
            color: #3a53a3;
            position: relative;
        }
        .feedback-item .user {
            font-weight: bold;
            color: #ff9800;
            margin-bottom: 6px;
            display: block;
        }
        .feedback-item .date {
            position: absolute;
            right: 12px;
            top: 10px;
            font-size: 0.85rem;
            color: #bbb;
        }
        /* 按钮动效 */
        .cta-btn, .promo-modal-btn, .contact-modal-copy {
            transition: background 0.2s, transform 0.18s, box-shadow 0.18s;
        }
        .cta-btn:active, .promo-modal-btn:active, .contact-modal-copy:active {
            transform: scale(0.96);
            box-shadow: 0 1px 4px rgba(58,83,163,0.10);
        }
        /* 品牌展示区样式 */
        .brand-bar {
            width: 100vw;
            background: #3a53a3;
            box-shadow: 0 2px 8px rgba(58,83,163,0.06);
            padding: 18px 0 10px 0;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .brand-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            padding: 0 18px;
            width: 100%;
            justify-items: center;
        }
        .brand-list img {
            width: 64px;
            height: 64px;
            object-fit: contain;
            border-radius: 14px;
            background: #fff;
            box-shadow: 0 2px 8px rgba(58,83,163,0.10);
            transition: transform 0.18s, box-shadow 0.18s;
            cursor: pointer;
            animation: brand-breath 1.8s infinite alternate;
        }
        @keyframes brand-breath {
            from {
                box-shadow: 0 2px 8px rgba(58,83,163,0.10);
                transform: scale(1);
            }
            to {
                box-shadow: 0 8px 32px rgba(255,152,0,0.18);
                transform: scale(1.10);
            }
        }
        .brand-list img:hover {
            transform: scale(1.12);
            box-shadow: 0 4px 16px rgba(255,152,0,0.18);
        }