/* ===== 欧派全链路流水线页 ===== */
body.oppein-page #webgl-container {
    opacity: 0.25;
}

.oppein-hero {
    padding: 130px 20px 70px;
    text-align: center;
    position: relative;
}

.oppein-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.oppein-hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    color: var(--accent-color);
    border: 1px solid rgba(0, 255, 136, 0.3);
    background: rgba(0, 255, 136, 0.08);
    margin-bottom: 20px;
}

.oppein-hero h1 {
    font-size: clamp(30px, 5vw, 48px);
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    line-height: 1.25;
}

.oppein-hero-desc {
    color: var(--text-secondary);
    font-size: clamp(15px, 2vw, 18px);
    max-width: 680px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

/* 顶部流程条 */
.oppein-flow-strip {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    max-width: 960px;
    margin: 0 auto;
}

.oppein-flow-strip a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 24px;
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: all 0.3s;
}

.oppein-flow-strip a:hover,
.oppein-flow-strip a.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.08);
}

.oppein-flow-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.oppein-flow-strip a.active .oppein-flow-num {
    background: var(--gradient-1);
    color: white;
}

/* 阶段标题 */
.oppein-phase {
    padding: 60px 20px 20px;
    text-align: center;
}

.oppein-phase-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.oppein-phase-label::before,
.oppein-phase-label::after {
    content: '';
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.oppein-phase h2 {
    font-size: clamp(22px, 3vw, 30px);
    margin-top: 12px;
    color: var(--text-primary);
}

.oppein-phase p {
    color: var(--text-muted);
    font-size: 15px;
    margin-top: 8px;
}

/* 流水线主体 */
.oppein-pipeline {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 20px 80px;
    position: relative;
}

.oppein-pipeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 80px;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(180deg,
        var(--primary-color) 0%,
        var(--secondary-color) 50%,
        var(--accent-color) 100%);
    opacity: 0.25;
}

/* 单步卡片 */
.oppein-step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
}

.oppein-step:last-child {
    margin-bottom: 0;
}

.oppein-step.reverse {
    direction: rtl;
}

.oppein-step.reverse > * {
    direction: ltr;
}

.oppein-step-dot {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gradient-1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
    z-index: 2;
}

.oppein-step-content {
    padding: 10px 0;
}

.oppein-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gradient-1);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
}

.oppein-step-tag {
    display: inline-block;
    margin-left: 10px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--primary-color);
    border: 1px solid rgba(0, 212, 255, 0.3);
    vertical-align: middle;
}

.oppein-step-tag.tag-video {
    color: var(--accent-color);
    border-color: rgba(0, 255, 136, 0.3);
}

.oppein-step h3 {
    font-size: clamp(22px, 3vw, 28px);
    margin-bottom: 12px;
    color: var(--text-primary);
}

.oppein-step p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.85;
}

.oppein-step-points {
    list-style: none;
    margin-top: 16px;
}

.oppein-step-points li {
    color: var(--text-muted);
    font-size: 14px;
    padding: 5px 0 5px 18px;
    position: relative;
}

.oppein-step-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-color);
}

/* 媒体区域 */
.oppein-step-media {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    transition: transform 0.4s, box-shadow 0.4s;
}

.oppein-step-media:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 70px rgba(0, 212, 255, 0.12);
}

.oppein-step-media::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    border: 1px solid rgba(0, 212, 255, 0.15);
    pointer-events: none;
}

.oppein-step-media video,
.oppein-step-media img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: #0d0d14;
}

.oppein-step-media video {
    cursor: pointer;
}

/* 底部 CTA */
.oppein-cta {
    text-align: center;
    padding: 60px 20px 100px;
    border-top: 1px solid var(--border-color);
    background: linear-gradient(180deg, transparent 0%, rgba(18, 18, 26, 0.8) 100%);
}

.oppein-cta h2 {
    font-size: clamp(22px, 3vw, 32px);
    margin-bottom: 12px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.oppein-cta p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 15px;
}

.oppein-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 入场动画 */
.oppein-step {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.oppein-step.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式 */
@media (max-width: 900px) {
    .oppein-pipeline::before,
    .oppein-step-dot {
        display: none;
    }

    .oppein-step,
    .oppein-step.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: 24px;
        margin-bottom: 60px;
    }

    .oppein-step-media {
        order: -1;
    }

    .oppein-flow-strip {
        gap: 6px;
    }

    .oppein-flow-strip a {
        padding: 6px 10px;
        font-size: 12px;
    }

    .oppein-flow-strip .flow-text {
        display: none;
    }

    .oppein-flow-strip a {
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .oppein-hero {
        padding: 110px 15px 50px;
    }

    .oppein-pipeline {
        padding: 10px 15px 60px;
    }
}