/* ============================================================
   语际点歌台 - 首页专属样式
   ============================================================ */

/* ========== 1. 段落样式 ========== */
.product-details p {
    text-align: justify;
    text-indent: 2em;
}

.product-details p strong {
    color: var(--primary-700);
    font-weight: 600;
}

.product-details p span {
    color: var(--primary-700);
    font-weight: 600;
    position: relative;
}

.product-details p span::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-300), var(--primary-500));
    border-radius: 2px;
    opacity: 0.7;
}

/* ========== 2. 服务列表 ========== */
.service-list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 20px;
    padding: 0;
    list-style: none;
    --columns: 2;
    --gap: 16px;
}

.service-item {
    width: calc((100% - var(--gap) * (var(--columns) - 1)) / var(--columns));
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-md);
    padding: 20px 18px;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--neutral-800);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

@media (min-width: 800px) {
    .service-list {
        --columns: 4;
    }
}

.service-item::before {
    content: "✓";
    color: var(--primary-700);
    font-weight: bold;
    font-size: 20px;
    margin-right: 8px;
    transition: var(--transition-fast);
}

.service-item::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(100, 137, 255, 0.05) 0%, rgba(100, 137, 255, 0.1) 100%);
    border-radius: 0 0 0 var(--radius-md);
    opacity: 0;
    transition: var(--transition-fast);
}

.service-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-400);
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-200) 100%);
}

.service-item:hover::before {
    transform: scale(1.1);
    color: var(--primary-800);
}

.service-item:hover::after {
    opacity: 1;
}

/* ========== 3. 联系信息 ========== */
.contact-info {
    margin-top: 20px;
    font-size: 16px;
    line-height: 1.9;
    padding: 0 4px;
    color: var(--neutral-700);
}

.contact-info .contact-desc {
    color: var(--neutral-600);
    margin-bottom: 20px;
    text-align: justify;
    text-indent: 2em;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.contact-link-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--neutral-600);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.contact-link-item:hover {
    background-color: var(--primary-50);
    border-color: var(--primary-200);
    transform: translateX(4px);
}

.contact-link-item .label {
    font-weight: 600;
    color: var(--neutral-800);
    width: 80px;
    text-align: right;
    font-size: 15px;
}

.contact-info a {
    color: var(--primary-700);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    padding: 2px 6px;
    display: inline-block;
    border-radius: 4px;
}

.contact-info a:hover {
    color: var(--primary-900);
    background-color: var(--primary-100);
    text-decoration: none;
    transform: translateY(-1px);
}

/* ========== 4. 二维码 ========== */
.qr-codes {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.qr-code {
    text-align: center;
    padding: 16px;
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, #ffffff 0%, var(--neutral-50) 100%);
    box-shadow: var(--shadow-md);
    transition: var(--transition-default);
}

.qr-code:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.qr-code-wrap {
    width: 180px;
    height: 180px;
    margin: 0 auto;
    border: 2px solid var(--primary-200);
    border-radius: var(--radius-md);
    padding: 12px;
    background-color: #fff;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.qr-code-wrap::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-sm);
    padding: 2px;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.8;
}

.qr-code img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-sm);
    transition: var(--transition-default);
    position: relative;
    z-index: 1;
}

.qr-code img:hover {
    transform: scale(1.05);
}

.qr-error-tip {
    font-size: 14px;
    color: var(--neutral-600);
    text-align: center;
    line-height: 1.6;
    padding: 10px;
    width: 100%;
}

.qr-code p {
    margin-top: 12px;
    font-size: 15px;
    color: var(--neutral-700);
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
    letter-spacing: 0.3px;
}

/* ========== 5. 隐藏 iframe ========== */
.auto-load-iframe {
    position: absolute;
    top: -9999px;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    border: none;
    z-index: -1;
    pointer-events: none;
}

/* ========== 6. 价格入口 ========== */
.price-link {
    text-align: center;
    margin: 15px 0 0;
    font-size: 14px;
    color: var(--neutral-500);
}

.price-link a {
    color: var(--primary-700);
    text-decoration: none;
    transition: var(--transition-fast);
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.price-link a:hover {
    color: var(--primary-900);
    background-color: var(--primary-50);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: var(--primary-300);
}

.price-intro-weak {
    margin: 25px auto;
    padding: 20px;
    max-width: 800px;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    background-color: var(--neutral-50);
    font-size: 14px;
    color: var(--neutral-600);
    line-height: 1.8;
    position: relative;
    overflow: hidden;
}

.price-intro-weak::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--neutral-300), var(--neutral-400));
}

.price-intro-weak h2 {
    font-size: 16px;
    color: var(--neutral-700);
    border-left-color: var(--neutral-300);
    margin: 0 0 12px 0;
    padding-left: 10px;
}

.price-intro-weak a {
    color: var(--primary-700);
    text-decoration: none;
    font-weight: 500;
}

.price-intro-weak a:hover {
    color: var(--primary-900);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ========== 7. 响应式 ========== */

@media (max-width: 768px) {
    .service-item {
        padding: 18px 12px;
        font-size: 15px;
    }

    .main-wechat-btn {
        margin: 35px 0;
    }

    .main-wechat-btn a {
        padding: 22px 0;
        font-size: 20px;
        letter-spacing: 3px;
    }

    .qr-code-wrap {
        width: 160px;
        height: 160px;
        padding: 10px;
    }

    .price-intro-weak {
        font-size: 13px;
        padding: 16px;
    }

    .price-intro-weak h2 {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .main-wechat-btn a {
        padding: 20px 0;
        font-size: 19px;
        border-radius: 50px;
        letter-spacing: 2px;
    }

    .qr-code-wrap {
        width: 150px;
        height: 150px;
    }

    .qr-code p {
        font-size: 14px;
    }

    .service-item {
        font-size: 14px;
        padding: 16px 10px;
    }
}

@media (max-width: 320px) {
    .main-wechat-btn a {
        font-size: 18px;
        letter-spacing: 1px;
    }

    .service-item {
        font-size: 13px;
    }

    .qr-code-wrap {
        width: 130px;
        height: 130px;
    }
}