/* public/css/join.css */

/* ========== Banner ========== */
.banner-v1 {
    width: 100%;
    height: 900px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
}

.banner-bg-v1 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content-v1 {
    position: relative;
    z-index: 2;
    padding: 0 80px 80px 0;
    max-width: 1400px;
    width: 100%;
    text-align: right;
}

.banner-content-v1 h1 {
    font-size: 40px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.banner-content-v1 h1 .highlight-v1 {
    color: #b71c1c;
}

.banner-content-v1 h2 {
    font-size: 40px;
    font-weight: 400;
    color: #333;
    margin-bottom: 8px;
}

.banner-content-v1 h3 {
    font-size: 40px;
    font-weight: 700;
    color: #b71c1c;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.banner-content-v1 .en-subtitle-v1 {
    font-size: 22px;
    color: black;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.banner-line-v1 {
    margin-top: 10px;
}

.banner-line-v1 img {
    height: 40px;
    object-fit: contain;
}

/* ========== 加入我们主体内容 ========== */
.join-main {
    background: #f5f5f5;
}

/* 标题区 */
.join-header-section {
    max-width: 1600px;
    margin: 0 auto;
    padding: 60px 40px 0;
}

.join-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.join-title {
    display: flex;
    align-items: center;
    gap: 16px;
}

.join-title-bar {
    width: 6px;
    height: 40px;
    background: #b71c1c;
    flex-shrink: 0;
}

.join-title-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: #b71c1c;
    margin-bottom: 2px;
}

.join-title-text p {
    font-size: 14px;
    color: #999;
    letter-spacing: 2px;
    font-style: italic;
}

.join-tabs {
    display: flex;
    align-items: center;
    gap: 32px;
}

.join-tab {
    font-size: 16px;
    color: #333;
    cursor: pointer;
    padding-bottom: 8px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    text-decoration: none;
}

.join-tab:hover {
    color: #b71c1c;
}

.join-tab.active {
    color: #b71c1c;
    border-bottom-color: #b71c1c;
}

.join-header-divider {
    height: 1px;
    background: #ddd;
}

/* 内容区 */
.join-content-section {
    max-width: 1600px;
    margin: 0 auto;
    padding: 60px 40px 80px;
}

.join-content-item {
    display: flex;
    align-items: center;
    gap: 60px;
}

.join-content-text {
    flex-shrink: 0;
    width: 420px;
}

.join-content-date {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.join-content-title {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    line-height: 1.5;
    margin-bottom: 24px;
}

.join-content-desc {
    font-size: 14px;
    color: #888;
    line-height: 1.8;
    margin-bottom: 40px;
}

.join-content-dot-line {
    display: flex;
    align-items: center;
    gap: 0;
}

.join-content-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(183, 28, 28, 0.2);
    flex-shrink: 0;
    position: relative;
}

.join-content-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #b71c1c;
}

.join-content-line {
    width: 100px;
    height: 2px;
    background: rgba(183, 28, 28, 0.3);
    position: relative;
}

.join-content-line::after {
    content: '';
    position: absolute;
    right: 0;
    top: -4px;
    width: 0;
    height: 0;
    border-left: 8px solid rgba(183, 28, 28, 0.3);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.join-content-image {
    flex: 1;
    position: relative;
    margin-left: auto;
    display: flex;
    justify-content: flex-end;
}

.join-content-image-wrapper {
    position: relative;
    display: inline-block;
}

.join-content-image-wrapper img {
    max-width: 100%;
    width: 600px;
    display: block;
    position: relative;
    z-index: 2;
    clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
}

.join-content-image-bg {
    position: absolute;
    top: 12px;
    left: 12px;
    right: -12px;
    bottom: -12px;
    background: #b71c1c;
    z-index: 1;
    clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
}

/* ========== 响应式 ========== */

/* 平板及以下 ≤1200px */
@media screen and (max-width: 1200px) {
    .banner-content-v1 {
        padding-right: 40px;
        padding-bottom: 60px;
    }

    .join-header-section,
    .join-content-section {
        padding-left: 30px;
        padding-right: 30px;
    }

    .join-content-item {
        gap: 40px;
    }

    .join-content-text {
        width: 360px;
    }

    .join-content-image-wrapper img {
        width: 500px;
    }
}

/* 平板竖屏 ≤992px */
@media screen and (max-width: 992px) {
    .banner-content-v1 {
        padding-right: 30px;
        padding-bottom: 50px;
    }

    .banner-content-v1 h1 {
        font-size: 32px;
    }

    .banner-content-v1 h2,
    .banner-content-v1 h3 {
        font-size: 28px;
    }

    .banner-content-v1 .en-subtitle-v1 {
        font-size: 16px;
    }

    .banner-line-v1 img {
        height: 30px;
    }

    .join-content-item {
        flex-direction: column;
        gap: 30px;
    }

    .join-content-text {
        width: 100%;
    }

    .join-content-image-wrapper img {
        width: 100%;
    }

    .join-content-image {
        width: 100%;
        justify-content: center;
    }
}

/* 手机横屏 ≤768px */
@media screen and (max-width: 768px) {
    .banner-content-v1 {
        padding-right: 20px;
        padding-bottom: 40px;
    }

    .banner-content-v1 h1 {
        font-size: 26px;
    }

    .banner-content-v1 h2,
    .banner-content-v1 h3 {
        font-size: 22px;
    }

    .banner-content-v1 .en-subtitle-v1 {
        font-size: 14px;
    }

    .banner-line-v1 img {
        height: 24px;
    }

    .join-header-section,
    .join-content-section {
        padding-left: 20px;
        padding-right: 20px;
    }

    .join-header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .join-title-text h2 {
        font-size: 22px;
    }

    .join-content-date {
        font-size: 18px;
    }

    .join-content-title {
        font-size: 20px;
    }

    .join-content-image-wrapper img {
        width: 100%;
    }
}

/* 手机竖屏 ≤480px */
@media screen and (max-width: 480px) {
    .banner-v1 {
        height: 380px;
    }

    .banner-content-v1 {
        padding-right: 16px;
        padding-bottom: 30px;
    }

    .banner-content-v1 h1 {
        font-size: 22px;
    }

    .banner-content-v1 h2,
    .banner-content-v1 h3 {
        font-size: 18px;
    }

    .banner-content-v1 .en-subtitle-v1 {
        font-size: 12px;
    }

    .banner-line-v1 img {
        height: 18px;
    }

    .join-title-text h2 {
        font-size: 20px;
    }

    .join-content-date {
        font-size: 16px;
    }

    .join-content-title {
        font-size: 18px;
    }

    .join-content-desc {
        font-size: 13px;
    }

    .join-tabs {
        gap: 20px;
    }

    .join-tab {
        font-size: 14px;
    }
}