/* ==================== 翼讯优内页组件样式 (pages.css) ==================== */
/* 依赖 base.css · 仅包含子页面共享组件 */

/* ==================== About Identity ==================== */
.about-identity { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-identity__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; }
.about-identity__text { font-size: .95rem; color: var(--text-dark-soft); line-height: 1.85; margin-bottom: 1.8rem; }
.about-identity__text strong { color: var(--text-dark); font-weight: 600; }
.about-identity__highlights { display: flex; flex-direction: column; gap: .75rem; }
.about-identity__item { display: flex; align-items: flex-start; gap: .6rem; font-size: .9rem; color: var(--text-dark-soft); line-height: 1.6; }
.about-identity__item svg { flex-shrink: 0; margin-top: .15rem; }
.about-stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.about-stat { padding: 2rem 1.5rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); text-align: center; transition: all .25s; }
.about-stat:hover { border-color: var(--primary); box-shadow: 0 8px 32px rgba(214,0,15,.06); transform: translateY(-3px); }
.about-stat__val { font-size: 2.2rem; font-weight: 700; color: var(--primary); font-family: 'DM Sans', sans-serif; letter-spacing: -.03em; line-height: 1.1; }
.about-stat__val span { font-size: .9rem; font-weight: 500; color: var(--text-dark-muted); letter-spacing: 0; }
.about-stat__label { font-size: .82rem; color: var(--text-dark-muted); margin-top: .4rem; }

/* ==================== Steps Cards ==================== */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.step-card { position: relative; padding: 2.5rem 2rem; background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px; transition: all .3s cubic-bezier(.16,1,.3,1); overflow: hidden; text-align: left; }
.step-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--primary); opacity: 0; transition: opacity .25s; }
.step-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(214,0,15,.08), 0 4px 12px rgba(0,0,0,.04); }
.step-card:hover::before { opacity: 1; }
.step-card__num { font-size: .72rem; font-weight: 700; color: var(--primary); letter-spacing: .1em; margin-bottom: 1.2rem; font-family: 'DM Sans', sans-serif; }
.step-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; }
.step-card__icon svg { stroke: var(--primary); }
.step-card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: .7rem; color: var(--text-dark); }
.step-card__text { font-size: .88rem; color: var(--text-dark-soft); line-height: 1.7; }
.step-card__tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.step-card__tag { padding: .3rem .65rem; border-radius: 6px; background: var(--gray-50); border: 1px solid var(--gray-200); color: var(--text-dark-soft); font-size: .75rem; }

/* ==================== Commitment Cards ==================== */
.commit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 3rem; }
.commit-card { position: relative; padding: 2rem; background: var(--white); border: 1px solid var(--gray-200); border-radius: 12px; text-align: left; transition: all .25s; overflow: hidden; }
.commit-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--primary); opacity: 0; transition: opacity .25s; }
.commit-card:hover { border-color: var(--primary); box-shadow: 0 8px 32px rgba(214,0,15,.06); transform: translateY(-3px); }
.commit-card:hover::before { opacity: 1; }
.commit-card__header { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.commit-card__icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--primary-soft); flex-shrink: 0; }
.commit-card__icon svg { stroke: var(--primary); }
.commit-card__title { font-size: 1rem; font-weight: 700; color: var(--text-dark); }
.commit-card__text { font-size: .88rem; color: var(--text-dark-soft); line-height: 1.75; }

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

/* ==================== Metrics (light cards on light bg) ==================== */
.metrics-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 3rem; }
.metric-item { padding: 2rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); text-align: center; transition: all .25s; }
.metric-item:hover { border-color: var(--primary); box-shadow: 0 8px 32px rgba(214,0,15,.06); transform: translateY(-3px); }
.metric-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; }
.metric-item__icon svg { stroke: var(--primary); }
.metric-item__label { font-size: .95rem; font-weight: 700; color: var(--text-dark); margin-bottom: .4rem; }
.metric-item__desc { font-size: .85rem; color: var(--text-dark-soft); line-height: 1.7; }

/* ==================== Feature Grid ==================== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.feature-card { padding: 2rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); text-align: left; transition: all .25s; }
.feature-card:hover { border-color: var(--primary); box-shadow: 0 8px 24px rgba(214,0,15,.06); transform: translateY(-3px); }
.feature-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; }
.feature-card__icon svg { stroke: var(--primary); }
.feature-card__title { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: .5rem; }
.feature-card__text { font-size: .85rem; color: var(--text-dark-soft); line-height: 1.75; }
.feature-card__tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .8rem; }
.feature-card__tag { padding: .25rem .6rem; border-radius: 5px; background: var(--gray-50); border: 1px solid var(--gray-200); font-size: .72rem; color: var(--text-dark-muted); }

/* ==================== Timeline ==================== */
.timeline { position: relative; padding-left: 2rem; margin-top: 3rem; }
.timeline::before { content: ''; position: absolute; left: .5rem; top: 0; bottom: 0; width: 2px; background: var(--gray-200); }
.timeline__item { position: relative; padding-bottom: 2.5rem; padding-left: 1.5rem; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot { position: absolute; left: -1.75rem; top: .3rem; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); border: 2px solid var(--white); box-shadow: 0 0 0 3px var(--primary-soft); }
.timeline__week { font-size: .75rem; font-weight: 700; color: var(--primary); letter-spacing: .08em; margin-bottom: .5rem; font-family: 'DM Sans', sans-serif; }
.timeline__title { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: .4rem; }
.timeline__text { font-size: .88rem; color: var(--text-dark-soft); line-height: 1.7; }
.timeline__deliverables { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .6rem; }
.timeline__tag { padding: .25rem .6rem; border-radius: 5px; background: var(--gray-50); border: 1px solid var(--gray-200); font-size: .72rem; color: var(--text-dark-muted); }

/* ==================== AI Role Cards ==================== */
.role-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 3rem; }
.role-card { padding: 2rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); text-align: left; transition: all .25s; }
.role-card:hover { border-color: var(--primary); box-shadow: 0 8px 24px rgba(214,0,15,.06); transform: translateY(-3px); }
.role-card__header { display: flex; align-items: center; gap: .75rem; margin-bottom: .8rem; }
.role-card__icon { width: 40px; height: 40px; border-radius: 8px; display: flex; align-items: center; justify-content: center; background: var(--primary-soft); flex-shrink: 0; }
.role-card__icon svg { stroke: var(--primary); width: 20px; height: 20px; }
.role-card__title { font-size: 1rem; font-weight: 700; color: var(--text-dark); }
.role-card__desc { font-size: .85rem; color: var(--text-dark-soft); line-height: 1.7; margin-bottom: .8rem; }
.role-card__tasks { display: flex; flex-wrap: wrap; gap: .35rem; }
.role-card__task { padding: .25rem .6rem; border-radius: 5px; background: var(--gray-50); border: 1px solid var(--gray-200); font-size: .72rem; color: var(--text-dark-muted); }

/* ==================== Solution Highlight ==================== */
.highlight-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 3rem; }
.highlight-card { padding: 2.5rem 2rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); text-align: left; transition: all .25s; }
.highlight-card:hover { border-color: var(--primary); box-shadow: 0 8px 32px rgba(214,0,15,.06); transform: translateY(-3px); }
.highlight-card__num { font-size: .72rem; font-weight: 700; color: var(--primary); letter-spacing: .1em; margin-bottom: .8rem; font-family: 'DM Sans', sans-serif; }
.highlight-card__title { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: .5rem; }
.highlight-card__text { font-size: .88rem; color: var(--text-dark-soft); line-height: 1.75; }

/* ==================== Service Cards ==================== */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 3rem; }
.service-card { padding: 2.5rem 2rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); text-align: left; transition: all .25s; }
.service-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 8px 32px rgba(214,0,15,.06); }
.service-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; }
.service-card__icon svg { stroke: var(--primary); }
.service-card__title { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: .5rem; }
.service-card__text { font-size: .88rem; color: var(--text-dark-soft); line-height: 1.75; }
.service-card__list { margin-top: .8rem; display: flex; flex-direction: column; gap: .4rem; }
.service-card__list-item { display: flex; align-items: flex-start; gap: .5rem; font-size: .82rem; color: var(--text-dark-soft); line-height: 1.6; }
.service-card__list-item svg { flex-shrink: 0; margin-top: .15rem; }

/* ==================== Responsive (sub-pages) ==================== */

/* ==================== Shared Solution Components ==================== */
/* feat-grid, visual-card, audience-card — used across governance/operations/smart-park */

.feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-top: 4rem; }
.feat-grid--reverse { direction: rtl; }
.feat-grid--reverse > * { direction: ltr; }
.feat-badge { display: inline-flex; align-items: center; gap: .5rem; padding: .35rem .9rem; border-radius: 100px; font-size: .75rem; font-weight: 600; margin-bottom: 1.5rem; background: var(--primary-soft); color: var(--primary); }
.feat-title { font-size: 1.5rem; font-weight: 700; color: var(--text-dark); margin-bottom: 1rem; line-height: 1.35; }
.feat-text { font-size: .92rem; color: var(--text-dark-soft); line-height: 1.8; margin-bottom: 1.5rem; }
.feat-list { display: flex; flex-direction: column; gap: .6rem; }
.feat-list__item { display: flex; align-items: flex-start; gap: .6rem; font-size: .88rem; color: var(--text-dark); line-height: 1.6; }
.feat-list__icon { width: 20px; height: 20px; flex-shrink: 0; margin-top: .15rem; color: var(--primary); }

.visual-card { width: 100%; padding: 2rem; border-radius: 16px; background: var(--white); border: 1px solid var(--gray-200); box-shadow: 0 4px 24px rgba(214,0,15,.04); }
.visual-card__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--gray-100); }
.visual-card__title { font-size: .9rem; font-weight: 700; color: var(--text-dark); }
.visual-card__badge { font-size: .7rem; font-weight: 600; padding: .25rem .6rem; border-radius: 4px; background: var(--primary-soft); color: var(--primary); }
.visual-card__rows { display: flex; flex-direction: column; gap: .6rem; }
.visual-card__row { display: flex; align-items: center; gap: .75rem; padding: .65rem .8rem; border-radius: 8px; background: var(--gray-50); border: 1px solid var(--gray-100); font-size: .82rem; }
.visual-card__dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.visual-card__dot--green { background: #22c55e; }
.visual-card__dot--yellow { background: #eab308; }
.visual-card__dot--red { background: #ef4444; }
.visual-card__dot--blue { background: #3b82f6; }
.visual-card__dot--purple { background: #8b5cf6; }
.visual-card__label { color: var(--text-dark); font-weight: 500; }
.visual-card__val { margin-left: auto; font-weight: 600; font-family: 'DM Sans', sans-serif; color: var(--text-dark); }

.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 3rem; }
.audience-card { padding: 2rem 1.75rem; border-radius: 12px; background: var(--white); border: 1px solid var(--gray-200); transition: all .25s; }
.audience-card:hover { border-color: var(--primary); box-shadow: 0 8px 24px rgba(214,0,15,.06); transform: translateY(-3px); }
.audience-card__role { font-size: .95rem; font-weight: 700; color: var(--text-dark); margin-bottom: .5rem; }
.audience-card__pain { font-size: .85rem; color: var(--text-dark-soft); line-height: 1.75; }
.audience-card__result { font-size: .82rem; color: var(--primary); margin-top: .75rem; font-weight: 500; }

/* ==================== Responsive (sub-pages) ==================== */
@media (max-width: 1024px) {
  .about-identity { grid-template-columns: 1fr; gap: 2.5rem; }
  .highlight-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .feat-grid--reverse { direction: ltr; }
}
@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; }
  .commit-grid { grid-template-columns: 1fr; }
  .boundary-layout { grid-template-columns: 1fr; }
  .metrics-row { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .role-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .about-stat-grid { grid-template-columns: 1fr; }
}