@charset "UTF-8";

/* 首页「为什么选择我们」+「服务流程」独立样式（单独文件，避免服务器旧 site.css 缓存导致布局失效） */

.why-us-section,
.process-section {
    scroll-margin-top: var(--header-h);
}

.why-us-section {
    padding: 72px 0 88px;
    border-top: 1px solid var(--line);
    background: linear-gradient(180deg, #fafcfd 0%, var(--surface) 100%);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.why-us-card {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 22px 36px;
    min-height: 280px;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(11, 61, 74, 0.05), transparent 70%),
        linear-gradient(180deg, #ffffff 0%, #f7fbfc 100%);
    border: 1px solid var(--line);
    box-shadow: 0 8px 24px rgba(11, 61, 74, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.why-us-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(11, 61, 74, 0.12);
}

.why-us-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    margin-bottom: 22px;
    border: 1px solid rgba(11, 61, 74, 0.28);
    border-radius: 50%;
    color: var(--ink-soft);
    background: var(--white);
}

.why-us-card h3 {
    font-family: "Songti SC", "SimSun", serif;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--ink);
    margin-bottom: 16px;
}

.why-us-card p {
    font-size: 0.92rem;
    line-height: 1.9;
    color: var(--muted);
}

.process-section {
    position: relative;
    padding: 72px 0;
    overflow: hidden;
    color: #fff;
}

.process-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.process-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.12);
    filter: brightness(0.38) saturate(0.7) contrast(1.05) blur(2px);
}

.process-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(8, 32, 42, 0.82) 0%, rgba(8, 32, 42, 0.55) 42%, rgba(8, 32, 42, 0.62) 100%),
        linear-gradient(180deg, rgba(11, 61, 74, 0.4), rgba(8, 28, 36, 0.6));
}

.process-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(180px, 0.9fr) minmax(0, 3.1fr);
    gap: 36px;
    align-items: stretch;
}

.process-intro {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 20px;
    padding: 12px 8px 12px 0;
}

.process-intro-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: rgba(255, 255, 255, 0.92);
    background: rgba(255, 255, 255, 0.06);
}

.process-intro-title {
    font-family: "Songti SC", "SimSun", serif;
    font-size: clamp(1.55rem, 2.4vw, 2rem);
    font-weight: 700;
    line-height: 1.45;
    letter-spacing: 0.08em;
}

.process-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin: 0;
    padding: 0;
}

.process-step {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.process-step:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.28);
}

.process-step-media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.25);
}

.process-step-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.45s ease;
}

.process-step:hover .process-step-media img {
    transform: scale(1.05);
}

.process-step-label {
    margin: 0;
    padding: 14px 12px;
    text-align: center;
    background: rgba(255, 255, 255, 0.96);
    color: var(--ink);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.process-step-label span {
    color: var(--accent);
    margin-right: 4px;
    font-family: "Songti SC", "SimSun", serif;
}

@media (max-width: 1024px) and (min-width: 861px) {
    .process-inner {
        gap: 20px;
    }

    .process-intro-title {
        font-size: 1.45rem;
    }

    .why-us-card {
        min-height: 260px;
        padding: 32px 16px 28px;
    }
}

@media (max-width: 860px) {
    .why-us-section,
    .process-section {
        padding: 48px 0 64px;
    }

    .why-us-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .why-us-card {
        min-height: 260px;
    }

    .process-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .process-intro {
        align-items: center;
        text-align: center;
        padding: 0;
    }

    .process-intro-title {
        font-size: 1.5rem;
    }

    .process-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .why-us-card {
        min-height: 240px;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }
}