/* actcloud 秒杀页样式（相对本文件解析 ../image/） */
:root {
    --primary-color: #ff3e3e;
    --secondary-color: #ff9500;
    --accent-color: #ffff00;
    --white-color: #ffffff;
    --dark-color: #333333;
    --light-gray: #f5f5f5;
    --primary-gradient: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition-normal: all 0.3s ease;
}
/* 无障碍：跳过导航 */
.actcloud-skip {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.actcloud-skip:focus {
    position: fixed;
    left: 12px;
    top: 12px;
    z-index: 100000;
    width: auto;
    height: auto;
    padding: 8px 16px;
    background: #fff;
    color: #333;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
    overflow: visible;
}
.actcloud-empty {
    text-align: center;
    padding: 48px 16px;
    color: #666;
    width: 100%;
    margin: 0;
    line-height: 1.6;
}

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    margin: 0;
    padding: 0;
}
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: var(--border-radius);
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}
.btn-primary { background-color: var(--primary-color); color: var(--white-color); border: none; }
.btn-primary:hover { background-color: #ff6a6a; transform: translateY(-2px); }
.banner {
    background: url("../image/618_banner_bg.jpg") no-repeat center;
    background-size: cover;
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}
.banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}
.banner__content { position: relative; z-index: 2; text-align: center; }
.banner__title {
    color: var(--primary-color);
    font-size: 48px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    margin: 0 0 20px;
    animation: pulse 2s infinite;
}
.banner__subtitle { color: var(--white-color); font-size: 24px; margin: 20px 0; }
.banner__highlight { color: var(--accent-color); font-size: 36px; font-weight: bold; }
.banner__video-link {
    display: inline-block;
    margin-top: 30px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    backdrop-filter: blur(5px);
    transition: var(--transition-normal);
}
.banner__video-link:hover { background: rgba(255, 255, 255, 0.3); transform: translateY(-3px); }
.nav {
    background: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: -30px;
    position: relative;
    z-index: 10;
}
.nav__tabs {
    display: flex;
    flex-wrap: wrap;
    padding: 0; margin: 0;
    list-style: none;
    background: var(--primary-gradient);
    border-radius: var(--border-radius);
}
.nav__tab-title { color: var(--white-color); font-weight: bold; padding: 15px; margin: 0; }
.nav__tab-list {
    display: flex;
    flex-wrap: wrap;
    padding: 0; margin: 0;
    list-style: none;
    width: 100%;
}
.nav__tab-item {
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
    flex: 1;
    min-width: 120px;
}
.nav__tab-item--active {
    background-color: var(--white-color);
    color: var(--primary-color);
    font-weight: bold;
    border-radius: 4px 4px 0 0;
}
.nav__tab-item--inactive { background-color: rgba(255, 255, 255, 0.7); }
.countdown {
    background: var(--primary-gradient);
    color: var(--white-color);
    border-radius: var(--border-radius);
    padding: 15px 20px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}
.countdown__title { font-size: 18px; color: var(--accent-color); font-weight: bold; margin-right: 10px; }
.countdown__time { color: var(--accent-color); font-weight: bold; }
.products { display: flex; flex-wrap: wrap; margin: 0 -15px; }
.product-card {
    flex: 1 0 300px;
    margin: 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    background: var(--white-color);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
}
.product-card:hover { transform: translateY(-5px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15); }
.product-card__badge {
    position: absolute;
    top: -10px; right: -10px;
    width: 60px; height: 60px;
    background: url("../image/618_badge.png") no-repeat;
    background-size: contain;
    z-index: 10;
}
.product-card__header {
    background: var(--primary-gradient);
    color: var(--white-color);
    padding: 15px 20px;
    position: relative;
}
.product-card__title { margin: 0; font-size: 18px; font-weight: bold; }
.product-card__subtitle { margin: 5px 0 0; font-size: 14px; opacity: 0.9; }
.product-card__tag {
    position: absolute;
    top: 15px; right: 15px;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}
.product-card__specs {
    display: flex;
    padding: 0; margin: 0;
    list-style: none;
    text-align: center;
    border-bottom: 1px solid #eee;
}
.product-card__spec { flex: 1; padding: 15px 5px; }
.product-card__spec-value { font-size: 18px; font-weight: bold; margin-bottom: 5px; }
.product-card__spec-label { font-size: 12px; color: #666; }
.product-card__region { padding: 15px; border-bottom: 1px solid #eee; }
.product-card__region-label { font-size: 14px; margin-right: 5px; }
.product-card__region-value { font-weight: bold; }
.product-card__region-selector { position: relative; cursor: pointer; }
.product-card__region-caret {
    font-size: 10px;
    color: #666;
    margin-left: 6px;
    display: inline-block;
    vertical-align: middle;
}
.product-card__region-dropdown {
    display: none;
    position: absolute;
    top: 100%; left: 0;
    width: 100%;
    background: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 20;
}
.product-card__region-option { padding: 10px; border-bottom: 1px solid #eee; }
.product-card__region-option:last-child { border-bottom: none; }
.product-card__footer { padding: 15px; display: flex; flex-direction: column; }
.product-card__price { display: flex; align-items: center; margin-bottom: 10px; }
.product-card__price-current { color: var(--primary-color); font-size: 24px; font-weight: bold; margin-right: 10px; }
.product-card__price-original { color: #999; text-decoration: line-through; font-size: 14px; }
.product-card__limits { display: flex; flex-wrap: wrap; margin-bottom: 15px; font-size: 14px; }
.product-card__limit { margin-right: 15px; color: #666; }
.product-card__limit--highlight { color: var(--primary-color); font-weight: bold; }
.product-card__action { text-align: center; }
.more-link {
    display: block;
    text-align: center;
    margin: 30px 0;
    color: var(--primary-color);
    font-weight: bold;
    text-decoration: none;
    transition: var(--transition-normal);
}
.more-link:hover { color: var(--secondary-color); }
.actcloud-video-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.actcloud-video-modal.is-open { display: flex; }
.actcloud-video-modal__mask {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.75);
}
.actcloud-video-modal__box {
    position: relative;
    z-index: 1;
    width: 90%;
    max-width: 900px;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.actcloud-video-modal__box video { display: block; width: 100%; height: auto; }
.actcloud-video-modal__close {
    position: absolute;
    top: 8px; right: 12px;
    z-index: 2;
    border: none;
    background: rgba(255,255,255,0.9);
    color: #333;
    width: 36px; height: 36px;
    border-radius: 50%;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}
@media (max-width: 992px) {
    .banner__title { font-size: 36px; }
    .banner__subtitle { font-size: 20px; }
    .banner__highlight { font-size: 28px; }
    .product-card { flex: 0 0 calc(50% - 30px); }
}
@media (max-width: 768px) {
    .banner { padding: 60px 0; }
    .banner__title { font-size: 28px; }
    .banner__subtitle { font-size: 18px; }
    .banner__highlight { font-size: 24px; }
    .nav__tab-item { flex: 0 0 50%; }
    .product-card { flex: 0 0 100%; }
}
@media (max-width: 576px) {
    .banner { padding: 40px 0; }
    .banner__title { font-size: 24px; }
    .banner__subtitle { font-size: 16px; }
    .banner__highlight { font-size: 20px; }
    .nav__tab-item { flex: 0 0 100%; }
    .countdown { flex-direction: column; text-align: center; }
    .countdown__title { margin-bottom: 10px; }
}