/* ==================== 实施与服务页面 (service.css) ==================== */
/* 依赖 base.css + pages.css · 仅页面独有组件 */

/* ==================== Service Flow ==================== */
.svc-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 3rem; position: relative; }
.svc-flow::before { content: ''; position: absolute; top: 40px; left: 12.5%; right: 12.5%; height: 2px; background: var(--gray-200); z-index: 0; }
.svc-flow-step { text-align: center; position: relative; z-index: 1; padding: 0 1rem; }
.svc-flow-step__icon { width: 80px; height: 80px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--white); border: 2px solid var(--gray-200); margin: 0 auto 1.2rem; transition: all .3s; }
.svc-flow-step:hover .svc-flow-step__icon { border-color: var(--primary); box-shadow: 0 8px 24px rgba(214,0,15,.1); transform: translateY(-4px); }
.svc-flow-step__icon svg { stroke: var(--primary); }
.svc-flow-step__num { font-size: .72rem; font-weight: 700; color: var(--primary); letter-spacing: .1em; margin-bottom: .4rem; font-family: 'DM Sans', sans-serif; }
.svc-flow-step__title { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: .5rem; }
.svc-flow-step__desc { font-size: .85rem; color: var(--text-dark-soft); line-height: 1.7; }

/* ==================== Service Cards ==================== */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.svc-card { position: relative; padding: 2.2rem 1.8rem; background: var(--white); border: 1px solid var(--gray-200); border-radius: 12px; transition: all .25s; overflow: hidden; text-align: left; }
.svc-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--primary); opacity: 0; transition: opacity .25s; }
.svc-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 8px 32px rgba(214,0,15,.06); }
.svc-card:hover::before { opacity: 1; }
.svc-card__icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--primary-soft); margin-bottom: 1.2rem; }
.svc-card__icon svg { stroke: var(--primary); }
.svc-card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: .7rem; color: var(--text-dark); }
.svc-card__text { font-size: .88rem; color: var(--text-dark-soft); line-height: 1.75; }
.svc-card__list { margin-top: .8rem; display: flex; flex-direction: column; gap: .4rem; }
.svc-card__list-item { display: flex; align-items: flex-start; gap: .5rem; font-size: .84rem; color: var(--text-dark-soft); line-height: 1.6; }
.svc-card__list-item svg { flex-shrink: 0; margin-top: .2rem; }

/* ==================== Two-Column Layout ==================== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.two-col__title { font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 700; line-height: 1.35; color: var(--text-dark); margin-bottom: 1.2rem; }
.two-col__text { font-size: .95rem; color: var(--text-dark-soft); line-height: 1.85; margin-bottom: 1.5rem; }
.two-col__highlights { display: flex; flex-direction: column; gap: .75rem; }
.two-col__item { display: flex; align-items: flex-start; gap: .6rem; font-size: .9rem; color: var(--text-dark-soft); line-height: 1.6; }
.two-col__item svg { flex-shrink: 0; margin-top: .15rem; }
.two-col__stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.two-col__stat { padding: 1.8rem 1.5rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); text-align: center; transition: all .25s; }
.two-col__stat:hover { border-color: var(--primary); box-shadow: 0 8px 32px rgba(214,0,15,.06); transform: translateY(-3px); }
.two-col__stat-val { font-size: 2rem; font-weight: 700; color: var(--primary); font-family: 'DM Sans', sans-serif; letter-spacing: -.03em; line-height: 1.1; }
.two-col__stat-val span { font-size: .85rem; font-weight: 500; color: var(--text-dark-muted); letter-spacing: 0; }
.two-col__stat-label { font-size: .82rem; color: var(--text-dark-muted); margin-top: .35rem; }

/* ==================== SLA Grid ==================== */
.sla-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 3rem; }
.sla-item { padding: 2rem 1.5rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); text-align: center; transition: all .25s; }
.sla-item:hover { border-color: var(--primary); box-shadow: 0 8px 32px rgba(214,0,15,.06); transform: translateY(-3px); }
.sla-item__icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--primary-soft); margin: 0 auto 1rem; }
.sla-item__icon svg { stroke: var(--primary); }
.sla-item__val { font-size: 2rem; font-weight: 700; color: var(--primary); font-family: 'DM Sans', sans-serif; letter-spacing: -.03em; line-height: 1.1; }
.sla-item__val span { font-size: .85rem; font-weight: 500; color: var(--text-dark-muted); letter-spacing: 0; }
.sla-item__label { font-size: .88rem; font-weight: 600; color: var(--text-dark); margin-top: .5rem; }
.sla-item__desc { font-size: .82rem; color: var(--text-dark-soft); line-height: 1.7; margin-top: .35rem; }

/* ==================== Dark Cards ==================== */
.dark-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.dark-card { padding: 2.2rem 1.8rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); text-align: left; transition: all .25s; }
.dark-card:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: 0 8px 32px rgba(214,0,15,.06); }
.dark-card__icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--primary-soft); margin-bottom: 1.2rem; }
.dark-card__icon svg { stroke: var(--primary); }
.dark-card__title { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: .7rem; }
.dark-card__text { font-size: .88rem; color: var(--text-dark-soft); line-height: 1.75; }

/* ==================== Comparison Layout ==================== */
.compare-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 3rem; }
.compare-box { padding: 2.5rem 2rem; border-radius: 12px; text-align: left; }
.compare-box--us { background: rgba(214,0,15,.03); border: 1px solid rgba(214,0,15,.12); }
.compare-box--them { background: rgba(217,119,6,.03); border: 1px solid rgba(217,119,6,.15); }
.compare-box__title { display: flex; align-items: center; gap: .6rem; font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 1.4rem; }
.compare-box__title svg { flex-shrink: 0; }
.compare-list { display: flex; flex-direction: column; gap: .7rem; }
.compare-list__item { display: flex; align-items: flex-start; gap: .6rem; font-size: .88rem; color: var(--text-dark-soft); line-height: 1.65; }
.compare-list__item svg { flex-shrink: 0; margin-top: .25rem; }

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
  .svc-flow { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .svc-flow::before { display: none; }
  .two-col { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  .svc-flow { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .sla-grid { grid-template-columns: 1fr; }
  .dark-grid { grid-template-columns: 1fr; }
  .compare-layout { grid-template-columns: 1fr; }
  .two-col__stat-grid { grid-template-columns: 1fr; }
}