/* Why PC Heaven 页: hero / 五列优势 / 深蓝五步卡 / 信任区 / CTA */

/* Hero */
.pc-why-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(115deg, #16388A 0%, #0B1E5B 48%, #050C24 100%);
    color: #fff;
    padding: 4.5rem 0;
    min-height: 520px;
    display: flex;
    align-items: center;
}

.pc-hero-dots {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(96, 165, 250, .48) 1.7px, transparent 1.7px);
    background-size: 24px 24px;
    -webkit-mask-image: radial-gradient(ellipse 75% 85% at 88% 20%, #000 25%, transparent 72%);
    mask-image: radial-gradient(ellipse 75% 85% at 88% 20%, #000 25%, transparent 72%);
    pointer-events: none;
}

.pc-hero-tag {
    color: #4E8BE8;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .2em;
}

.pc-why-hero h1 {
    font-size: clamp(1.9rem, 3.4vw, 2.8rem);
    line-height: 1.2;
    margin: 1rem 0;
}

.pc-why-hero h1 span {
    color: var(--pc-blue-bright);
}

.pc-why-lead {
    color: #AAB6CE;
    max-width: 32rem;
    margin-bottom: 0;
}

.pc-why-hero-img {
    width: 100%;
    height: 100%;
    max-height: 360px;
    object-fit: cover;
    border-radius: 12px;
    display: block;
}

/* 五列优势: 圆图标+虚线连接+底部箭头 */
.pc-why-diff {
    padding: 3.5rem 0;
    background: var(--pc-bg-soft);
}

.pc-why-head {
    text-align: center;
    max-width: 620px;
    margin: 0 auto;
}

.pc-why-head h2 {
    font-size: 1.5rem;
}

.pc-why-head p {
    color: var(--pc-muted);
    font-size: .88rem;
    margin: .5rem 0 0;
}

.pc-diff-timeline {
    position: relative;
    display: flex;
    gap: 1rem;
}

.pc-diff {
    flex: 1;
    text-align: center;
    padding: 0 .4rem;
}

.pc-diff-dot {
    background: transparent;
    color: var(--pc-blue);
    font-size: 1.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto .9rem;
}

.pc-diff h6 {
    font-size: .92rem;
    margin: 0 0 .3rem;
    min-height: 2.9em;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pc-diff p {
    color: var(--pc-muted);
    font-size: .78rem;
    line-height: 1.55;
    margin-bottom: 0;
}

@media (max-width: 991.98px) {
    .pc-diff-timeline {
        flex-direction: column;
        gap: 1.6rem;
    }

    .pc-diff {
        text-align: left;
        display: flex;
        gap: 1rem;
        align-items: flex-start;
    }

    .pc-diff-dot {
        margin: 0;
        flex: 0 0 auto;
    }

    .pc-diff h6 {
        min-height: 0;
        justify-content: flex-start;
        margin-top: .4rem;
    }
}

/* 深蓝五步大卡 */
.pc-why-flow {
    padding: 3.5rem 0;
    background: #fff;
}

.pc-flow-box {
    background: #0C1F4B;
    border-radius: 28px;
    padding: 3rem 2.5rem;
    color: #fff;
}

.pc-flow-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2.4rem;
}

.pc-flow-head h2 {
    font-size: 1.5rem;
}

.pc-flow-head p {
    color: #B9C4D8;
    font-size: .88rem;
    margin: .5rem 0 0;
}

.pc-flow-steps {
    position: relative;
    display: flex;
    gap: 1rem;
}

.pc-flow-steps::before {
    content: '';
    position: absolute;
    top: 1.2rem;
    left: 10%;
    right: 10%;
    border-top: 2px dashed rgba(96, 165, 250, .55);
}

.pc-step {
    flex: 1;
    text-align: center;
    padding: 0 .4rem;
}

.pc-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    background: var(--pc-blue);
    color: #fff;
    font-weight: 800;
    font-size: .8rem;
    margin-bottom: .7rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 0 6px #0C1F4B;
}

.pc-step-icon {
    display: block;
    color: #fff;
    font-size: 2.8rem;
    margin-bottom: .6rem;
}

.pc-step h6 {
    font-size: .95rem;
    margin-bottom: .3rem;
    min-height: 1.6em;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pc-step p {
    color: #B9C4D8;
    font-size: .78rem;
    line-height: 1.55;
    margin-bottom: 0;
}

@media (max-width: 991.98px) {
    .pc-flow-steps {
        flex-direction: column;
        gap: 1.8rem;
    }

    .pc-flow-steps::before {
        display: none;
    }
}

/* 信任区 */
.pc-why-trust {
    padding: 3.5rem 0;
    background: #fff;
}

.pc-label {
    display: inline-block;
    color: var(--pc-blue);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .18em;
}

.pc-why-trust-title {
    font-size: clamp(1.25rem, 2.2vw, 1.7rem);
    margin: .5rem 0 1.4rem;
}

/* 四个信任条目: 竖虚线连接 */
.pc-trust-points {
    position: relative;
}

.pc-trust-points::before {
    content: '';
    position: absolute;
    top: 1.3rem;
    bottom: 1.3rem;
    left: 1.3rem;
    border-left: 2px dashed rgba(37, 99, 235, .5);
}

.pc-trust-point {
    position: relative;
    display: flex;
    gap: 1.1rem;
    align-items: flex-start;
    padding: .55rem 0;
}

.pc-trust-dot {
    width: 2.6rem;
    height: 2.6rem;
    flex: 0 0 auto;
    border-radius: 50%;
    background: #fff;
    color: var(--pc-blue);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 5px #fff;
}

.pc-trust-point h6 {
    font-size: .95rem;
    margin: .15rem 0 .15rem;
}

.pc-trust-point p {
    color: var(--pc-muted);
    font-size: .82rem;
    margin-bottom: 0;
}

.pc-why-trust-img {
    width: 100%;
    height: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: 12px;
    display: block;
}