/* ==================== 联系我们 ==================== */
#page-lianxi {
    padding-top: max(112px, calc(env(safe-area-inset-top, 0px) + var(--nav-stack-clearance, 104px)));
    padding-bottom: 120px;
}

/* ---- Hero ---- */
.contact-hero {
    position: relative;
    max-width: 860px;
    margin: 0 auto 56px;
    padding-left: 3rem;
}

.contact-vtag {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 0.68rem;
    color: #34d399;
    opacity: 0.55;
    position: absolute;
    left: 0;
    top: 0;
    letter-spacing: 0.5em;
    text-transform: uppercase;
}

.contact-ghost-h {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900;
    opacity: 0.06;
    position: absolute;
    top: -0.8rem;
    left: 2.5rem;
    margin: 0;
    line-height: 1;
    letter-spacing: -0.04em;
    color: #fff;
    user-select: none;
    pointer-events: none;
    white-space: nowrap;
}

.contact-hero-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 500;
    margin: 0 0 16px;
    color: #f1f5f9;
    position: relative;
    z-index: 1;
    padding-top: 0.25rem;
}

.contact-hero-lead {
    font-size: 15px;
    color: var(--ink-semi);
    line-height: 1.8;
    margin: 0;
    max-width: 560px;
    font-weight: 300;
}

/* ---- 主 CTA 横幅 ---- */
.contact-cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 36px 40px;
    max-width: 860px;
    margin: 0 auto 32px;
    position: relative;
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color 0.5s, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-cta-banner::before {
    content: "";
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    background: linear-gradient(135deg, #34d399, transparent, transparent, #34d399);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s;
}

.contact-cta-banner:hover {
    transform: translateY(-2px);
    border-color: transparent;
}

.contact-cta-banner:hover::before {
    opacity: 0.25;
}

.contact-cta-banner__left {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    flex: 1;
    min-width: 0;
}

.contact-cta-banner__icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.18);
    color: #818cf8;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-cta-banner__text h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #f1f5f9;
}

.contact-cta-badge {
    font-size: 0.6rem;
    font-weight: 900;
    padding: 3px 10px;
    background: #6366f1;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 2px;
}

.contact-cta-banner__text p {
    font-size: 14px;
    color: var(--ink-semi);
    line-height: 1.75;
    margin: 0;
    font-weight: 300;
}

.contact-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 18px 32px;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.03em;
    background: #34d399;
    color: #050a07;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 0 24px rgba(52, 211, 153, 0.28);
}

.contact-cta-btn:hover {
    transform: scale(1.04);
    box-shadow: 0 0 36px rgba(52, 211, 153, 0.45);
}

.contact-cta-btn:active {
    transform: scale(0.97);
}

@media (max-width: 680px) {
    .contact-cta-banner {
        flex-direction: column;
        align-items: stretch;
        padding: 24px 20px;
    }
    .contact-cta-btn {
        justify-content: center;
    }
    .contact-hero {
        padding-left: 0;
    }
    .contact-vtag {
        display: none;
    }
    .contact-ghost-h {
        left: 0;
    }
}

/* ---- 三渠道卡片 ---- */
.contact-channels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 860px;
    margin: 0 auto 40px;
}

@media (max-width: 720px) {
    .contact-channels-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 480px) and (max-width: 720px) {
    .contact-channels-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-cyber-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 32px 28px;
    min-height: 280px;
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color 0.5s, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-cyber-card::before {
    content: "";
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    background: linear-gradient(135deg, #34d399, transparent, transparent, #34d399);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s;
}

.contact-cyber-card:hover {
    transform: translateY(-2px);
    border-color: transparent;
}

.contact-cyber-card:hover::before {
    opacity: 0.3;
}

.contact-cyber-card__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.contact-cyber-card__icon--yellow {
    background: rgba(245, 158, 11, 0.18);
    color: #fbbf24;
}

.contact-cyber-card__icon--pink {
    background: rgba(236, 72, 153, 0.18);
    color: #f472b6;
}

.contact-cyber-card__icon--blue {
    background: rgba(59, 130, 246, 0.18);
    color: #60a5fa;
}

.contact-service-num {
    font-size: 0.7rem;
    color: #34d399;
    opacity: 0.6;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    font-family: monospace;
}

.contact-cyber-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #f1f5f9;
    margin: 0 0 12px;
}

.contact-cyber-card p {
    font-size: 13px;
    color: var(--ink-semi);
    line-height: 1.75;
    margin: 0;
    font-weight: 300;
    flex: 1;
}

.contact-cyber-card__foot {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-email-link {
    font-size: 0.95rem;
    font-weight: 600;
    font-family: monospace;
    color: #34d399;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color 0.2s;
}

.contact-email-link:hover {
    color: #6ee7b7;
}

.contact-cyber-link {
    font-size: 13px;
    font-weight: 700;
    color: #34d399;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: transform 0.2s;
}

.contact-cyber-link:hover {
    transform: translateX(6px);
}

.contact-muted {
    font-size: 11px;
    color: #334155;
    margin: 0;
    letter-spacing: 0.02em;
}

/* ---- 底部相关链接 ---- */
.contact-footer-strip {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #334155;
    flex-wrap: wrap;
    letter-spacing: 0.05em;
}

.contact-footer-strip > span:first-child {
    color: #475569;
}

.contact-footer-strip a {
    font-weight: 600;
    color: var(--ink-semi);
    text-decoration: none;
    transition: color 0.2s;
}

.contact-footer-strip a:hover {
    color: #34d399;
}

.contact-footer-sep {
    opacity: 0.3;
}