.basic-service, .enterprise-plan {
    padding: 5rem 0;
    background: #fff;
    position: relative;
}
.docs-tools {
    padding: 5rem 0;
    background: #f8fafc;
    position: relative;
    overflow: hidden;
}
.section-top-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59,130,246,0.15), transparent);
}
.section-decor {
    display: inline-block;
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 2px;
    margin-bottom: 1rem;
}
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #0f172a;
}
.section-subtitle {
    color: #64748b;
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* ========== 卡片通用样式 ========== */
.sup-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}
.sup-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.07), 0 0 0 1px rgba(59,130,246,0.08) inset;
}
.sup-card-large {
    height: 100%;
}
.card-left-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #3b82f6, #8b5cf6);
}
.card-top-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}
.card-line-blue { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.card-line-purple { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }
.card-line-cyan { background: linear-gradient(90deg, #06b6d4, #22d3ee); }
.card-line-pink { background: linear-gradient(90deg, #ec4899, #f472b6); }

.card-header-icon {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.icon-bg {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.icon-bg-blue { background: #eff6ff; }
.icon-bg-purple { background: #f5f3ff; }
.icon-bg-cyan { background: #ecfeff; }
.icon-bg-pink { background: #fdf2f8; }

.card-title {
    color: #0f172a;
    font-weight: 700;
    font-size: 1.05rem;
}
.card-desc {
    color: #64748b;
    font-size: 0.84rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}
.card-service-tags {
    border-top: 1px solid #f1f5f9;
    padding-top: 1.25rem;
    margin-top: 1rem;
}
.service-tag-item {
    margin-bottom: 1.25rem;
}
.tag-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}
.dot-blue {
    width: 8px;
    height: 8px;
    background: #3b82f6;
    border-radius: 50%;
}
.dot-purple {
    width: 8px;
    height: 8px;
    background: #8b5cf6;
    border-radius: 50%;
}
.tag-name {
    color: #0f172a;
    font-weight: 600;
    font-size: 0.95rem;
}
.tag-badge {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.2rem 0.75rem;
    border-radius: 50px;
    color: #fff;
}
.tag-badge-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.tag-badge-purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }

.card-buttons {
    display: flex;
    gap: 0.75rem;
}
.btn-primary, .btn-outline {
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
}
.btn-primary-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); color: #fff; }
.btn-primary-purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); color: #fff; }
.btn-primary-cyan { background: linear-gradient(135deg, #06b6d4, #0891b2); color: #fff; }
.btn-primary-pink { background: linear-gradient(135deg, #ec4899, #db2777); color: #fff; }
.btn-outline-blue { background: transparent; color: #3b82f6; border: 1px solid #3b82f6; }

/* ========== 文档与工具卡片 ========== */
.docs-dot-bg {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(59,130,246,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}
.docs-container {
    position: relative;
    z-index: 1;
}
.tool-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem 1.25rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}
.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.07);
}
.tool-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tool-icon-blue { background: #eff6ff; }
.tool-icon-purple { background: #f5f3ff; }
.tool-icon-cyan { background: #ecfeff; }
.tool-icon-pink { background: #fdf2f8; }
.tool-title {
    color: #0f172a;
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}
.tool-desc {
    color: #64748b;
    font-size: 0.82rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}
.tool-link {
    display: inline-block;
    font-weight: 600;
    font-size: 0.82rem;
    text-decoration: none;
    padding: 0.4rem 1.25rem;
    border: 1px solid;
    border-radius: 50px;
    transition: all 0.3s;
}
.tool-link-blue { color: #3b82f6; border-color: #3b82f6; }
.tool-link-purple { color: #8b5cf6; border-color: #8b5cf6; }
.tool-link-cyan { color: #06b6d4; border-color: #06b6d4; }
.tool-link-pink { color: #ec4899; border-color: #ec4899; }
.tool-link:hover { transform: translateY(-2px); }

/* ========== 企业支持计划卡片 ========== */
.plan-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.35s ease;
}
.plan-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.1);
}
.plan-card-featured {
    transform: scale(1.03);
    box-shadow: 0 8px 40px rgba(139,92,246,0.1);
}
.plan-header {
    padding: 2.5rem 2rem 2rem;
    text-align: center;
    position: relative;
    flex-shrink: 0;
}
.plan-header-blue { background: linear-gradient(135deg, #eff6ff, #dbeafe); }
.plan-header-purple { background: linear-gradient(135deg, #f5f3ff, #ede9fe); position: relative; }
.plan-header-purple::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    height: 3px;
    background: linear-gradient(90deg, #8b5cf6, #a78bfa);
}
.plan-header-orange { background: linear-gradient(135deg, #fffbeb, #fef3c7); }
.plan-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    background: rgba(0,0,0,0.06);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}
.plan-name {
    color: #0f172a;
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
}
.plan-tag {
    font-size: 0.78rem;
    padding: 0.2rem 0.75rem;
    border-radius: 50px;
    display: inline-block;
}
.plan-tag-blue { color: #3b82f6; background: rgba(59,130,246,0.08); }
.plan-tag-purple { color: #8b5cf6; background: rgba(139,92,246,0.08); }
.plan-tag-orange { color: #f59e0b; background: rgba(245,158,11,0.08); }
.plan-body {
    padding: 1.5rem 2rem 2rem;
    flex-grow: 1;
}
.plan-features {
    list-style: none;
    padding: 0;
    margin: 0;
}
.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid #f1f5f9;
    color: #475569;
    font-size: 0.85rem;
}
.plan-features li:last-child {
    border-bottom: none;
}
.plan-features li::before {
    content: "◆";
    color: inherit;
    flex-shrink: 0;
    margin-top: 2px;
}
.plan-header-blue .plan-features li::before { color: #3b82f6; }
.plan-header-purple .plan-features li::before { color: #8b5cf6; }
.plan-header-orange .plan-features li::before { color: #f59e0b; }

/* ========== 动画 ========== */
@keyframes sup-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(59,130,246,0.5); }
    50% { opacity: 0.5; box-shadow: 0 0 16px rgba(59,130,246,0.5); }
}
/* 服务流程时间线样式 */
.service-flow { margin-bottom: 2rem; }
.flow-item { text-align: center; padding: 1.5rem 0.5rem; position: relative; }
.flow-number { font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; font-family: monospace; }
.flow-num-blue { color: #3b82f6; }
.flow-num-purple { color: #8b5cf6; }
.flow-num-cyan { color: #06b6d4; }
.flow-num-pink { color: #ec4899; }
.flow-icon { display: flex; justify-content: center; margin-bottom: 0.75rem; }
.flow-title { font-size: 1.05rem; font-weight: 600; color: #1e293b; margin-bottom: 0.5rem; }
.flow-desc { font-size: 0.875rem; color: #64748b; line-height: 1.6; max-width: 200px; margin: 0 auto; }

@media (max-width: 767.98px) {
    .service-flow { flex-direction: column; }
    .service-flow .col-auto { display: none !important; }
    .flow-item { padding: 1rem 0; }
    .flow-desc { max-width: 100%; }
}