/* =========================================================
   主样式表 —— 绿点隐喻 · 浅色版（克制 / 留白 / 单一绿点强调）
   配套 css/tokens.css 使用。无蓝紫渐变 / 无漂浮球 / 无辉光 / 无粒子。
   ========================================================= */

/* ---------- 排版基础 ---------- */
h1, h2, h3, h4 { font-weight: 800; line-height: 1.25; letter-spacing: -0.3px; }
.h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; line-height: 1.25; letter-spacing: -0.5px; max-width: 20em; }
.lead { color: var(--c-text-2); margin-top: var(--sp-4); max-width: 54ch; font-size: 17px; }
.section { padding: var(--sp-8) 0; }
.section-cta { margin-top: var(--sp-6); }

/* 分隔线（极淡，替代重边框，减少杂乱） */
.divider { height: 1px; background: var(--c-border); border: 0; margin: 0; }

/* ---------- 小标题 kicker ---------- */
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--c-mark-deep); font-size: 13px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: var(--sp-4); font-weight: 600; }
.kicker-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-mark); }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 28px; border-radius: var(--r-btn); font-size: 15px; font-weight: 600; border: 1px solid transparent; transition: background .2s, color .2s, border-color .2s, transform .1s; }
.btn-primary { background: var(--c-mark); color: #06341a; }
.btn-primary:hover { background: var(--c-mark-deep); color: #fff; }
.btn-primary:active { background: var(--c-mark-strong); }
.btn-outline { border-color: var(--c-border); color: var(--c-text); background: #fff; }
.btn-outline:hover { border-color: var(--c-mark-deep); color: var(--c-mark-deep); }
.btn-full { width: 100%; }
.hero-cta { display: flex; gap: var(--sp-4); flex-wrap: wrap; margin-top: var(--sp-6); }

/* =========================================================
   顶栏
   ========================================================= */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-nav); display: flex; align-items: center; justify-content: space-between; padding: 16px var(--gutter); transition: background .3s, border-color .3s, box-shadow .3s; border-bottom: 1px solid transparent; background: rgba(255,255,255,0); }
.navbar.scrolled { background: rgba(255,255,255,.9); backdrop-filter: blur(10px); border-bottom-color: var(--c-border); box-shadow: 0 1px 0 var(--c-border); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c-mark); flex: none; }
.brand-name { font-weight: 700; letter-spacing: .5px; }
.nav-menu { display: flex; gap: 28px; }
.nav-link { color: var(--c-text-2); font-size: 14px; transition: color .2s; }
.nav-link:hover { color: var(--c-text); }
.nav-link.active { color: var(--c-mark-deep); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--c-text); display: block; transition: transform .3s, opacity .3s; }

/* =========================================================
   Wow1 · Hero
   ========================================================= */
.hero { min-height: 90vh; display: flex; flex-direction: column; justify-content: center; padding: 110px var(--gutter) 72px; position: relative; }
.mark { display: block; margin-bottom: var(--sp-6); }
.mark-core { transform-box: fill-box; transform-origin: center; animation: markPulse 1.2s var(--ease-std) infinite; }
.mark-ring { transform-box: fill-box; transform-origin: center; animation: markRing 1.2s var(--ease-std) infinite; }
@keyframes markPulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.18); opacity: .85; } }
@keyframes markRing { 0% { transform: scale(.6); opacity: .5; } 80%,100% { transform: scale(1.5); opacity: 0; } }
.hero-copy { max-width: 780px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; color: var(--c-text-2); font-size: 14px; margin-bottom: var(--sp-5); }
.hero-title { font-size: clamp(32px, 6vw, 64px); font-weight: 900; line-height: 1.1; letter-spacing: -1px; }
.hero-sub { color: var(--c-text-2); font-size: 18px; margin-top: var(--sp-4); }
.hero-counter { display: flex; align-items: baseline; gap: 12px; margin: var(--sp-7) 0; flex-wrap: wrap; }
#hero-count { font-size: clamp(48px, 9vw, 88px); color: var(--c-mark-deep); font-weight: 600; line-height: 1; }
.hero-counter-label { color: var(--c-text-2); max-width: 300px; font-size: 15px; }
.scroll-hint { position: absolute; bottom: 32px; left: var(--gutter); display: flex; align-items: center; gap: 10px; color: var(--c-text-3); font-size: 12px; letter-spacing: 2px; }
.scroll-hint i { width: 1px; height: 32px; background: linear-gradient(var(--c-mark-deep), transparent); display: block; }

/* =========================================================
   问题陈述（克制）
   ========================================================= */
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.problem-visual { margin: 0; border: 1px solid var(--c-border); background: #fff; }
.problem-img { width: 100%; height: auto; display: block; }
.problem-visual figcaption { padding: 12px 16px; color: var(--c-text-3); font-size: 13px; border-top: 1px solid var(--c-border); }

/* =========================================================
   Wow2 · 产品剖切
   ========================================================= */
.cut { position: relative; border: 1px solid var(--c-border); background: #fff; margin: var(--sp-7) 0; overflow: hidden; aspect-ratio: 16 / 9; cursor: crosshair; }
.cut-base, .cut-reveal { position: absolute; inset: 0; }
.cut-img { width: 100%; height: 100%; object-fit: cover; }
.cut-reveal { clip-path: inset(0 50% 0 0); transition: clip-path var(--dur-cut) var(--ease-emp); }
.cut-reveal::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,230,118,.16), transparent 70%); }
.cut-line { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--c-mark); transition: left var(--dur-cut) var(--ease-emp); }
.cut:hover .cut-reveal, .cut:focus .cut-reveal, .cut.is-cut .cut-reveal { clip-path: inset(0 0 0 0); }
.cut:hover .cut-line, .cut:focus .cut-line, .cut.is-cut .cut-line { left: 100%; }
.svc-list { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--c-border); }
.svc-row { display: flex; gap: 16px; padding: 24px 0; border-bottom: 1px solid var(--c-border); }
.svc-row:nth-child(odd) { padding-right: 32px; }
.svc-row:nth-child(even) { padding-left: 32px; border-left: 1px solid var(--c-border); }
.svc-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-mark); margin-top: 8px; flex: none; }
.svc-row h3 { font-size: 18px; }
.svc-row p { color: var(--c-text-2); font-size: 14px; margin-top: 6px; }

/* =========================================================
   案例列表（克制）
   ========================================================= */
.case-list { border-top: 1px solid var(--c-border); margin-top: var(--sp-6); }
.case-row { display: flex; align-items: center; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--c-border); transition: padding-left .25s var(--ease-std); }
.case-row:hover { padding-left: 12px; }
.case-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-mark); flex: none; }
.case-name { flex: 1; font-size: 18px; }
.case-cat { color: var(--c-text-3); font-size: 13px; border: 1px solid var(--c-border); padding: 2px 10px; border-radius: 2px; }

/* =========================================================
   Wow3 · 数据时间轴
   ========================================================= */
.timeline { position: relative; height: 80px; margin: var(--sp-7) 0; }
.tl-track { position: absolute; left: 0; right: 0; top: 50%; height: 2px; background: var(--c-border); transform: translateY(-50%); }
.tl-nodes { position: absolute; inset: 0; display: flex; justify-content: space-between; align-items: center; }
.tl-node { width: 14px; height: 14px; border-radius: 50%; background: var(--c-clash); border: 2px solid #fff; flex: none; transition: background .35s var(--ease-std), transform .35s; }
.tl-node.resolved { background: var(--c-mark); transform: scale(1.15); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: var(--sp-6); }
.metric { border-top: 2px solid var(--c-mark); padding-top: 16px; }
.metric .num, .metric .stat-number { font-size: clamp(40px, 6vw, 64px); color: var(--c-mark-deep); font-weight: 600; line-height: 1; }
.metric-suffix { color: var(--c-mark-deep); font-size: 20px; margin-left: 4px; font-family: var(--font-mono); }
.metric-label { display: block; color: var(--c-text-2); margin-top: 8px; font-size: 14px; }

/* =========================================================
   CTA / 联系
   ========================================================= */
.cta { padding: var(--sp-9) 0; }
.cta-title { max-width: 16em; }
.contact { background: var(--c-surface-1); border-top: 1px solid var(--c-border); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: var(--sp-6); }
.contact-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--c-border); }
.contact-icon { color: var(--c-mark-deep); flex: none; }
.contact-detail h4 { font-size: 14px; color: var(--c-text-2); font-weight: 500; }
.contact-detail p { font-size: 16px; }
.contact-tel { color: var(--c-text); }
.contact-tel:hover { color: var(--c-mark-deep); }
.contact-form-wrapper { background: #fff; border: 1px solid var(--c-border); padding: 32px; }
.contact-form input, .contact-form textarea { width: 100%; background: #fff; border: 1px solid var(--c-border); color: var(--c-text); padding: 14px 16px; border-radius: var(--r-btn); font-family: inherit; font-size: 15px; transition: border-color .2s; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--c-mark-deep); outline: none; }
.form-title { font-size: 20px; margin-bottom: var(--sp-5); }
.form-group { margin-bottom: var(--sp-4); }
.form-error { color: var(--c-clash); font-size: 13px; min-height: 18px; margin-top: 4px; }
.form-success { color: var(--c-mark-deep); margin-top: 12px; opacity: 0; transition: opacity .3s; }
.form-success.show { opacity: 1; }

/* =========================================================
   页脚
   ========================================================= */
.footer { border-top: 1px solid var(--c-border); padding: 64px 0 32px; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 2fr; gap: 48px; }
.footer-desc { color: var(--c-text-2); margin-top: var(--sp-4); max-width: 42ch; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-col h4 { font-size: 14px; color: var(--c-text); margin-bottom: 12px; font-weight: 600; }
.footer-col a, .footer-col li { color: var(--c-text-2); font-size: 14px; padding: 4px 0; display: block; }
.footer-col a:hover { color: var(--c-mark-deep); }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--c-border); color: var(--c-text-3); font-size: 13px; flex-wrap: wrap; gap: 8px; }
.admin-link { color: var(--c-text-3); }
.admin-link:hover { color: var(--c-mark-deep); }

/* =========================================================
   子页基础（沿用组件，统一为新主题）
   ========================================================= */
.page-hero { padding: 120px 0 56px; border-bottom: 1px solid var(--c-border); }
.page-hero-title { font-size: clamp(28px, 5vw, 48px); font-weight: 900; }
.page-hero-sub { color: var(--c-text-2); margin-top: 12px; }
.section-header { margin-bottom: 28px; }
.section-tag { color: var(--c-mark-deep); font-size: 13px; letter-spacing: 2px; text-transform: uppercase; font-weight: 600; }
.section-title { font-size: clamp(24px, 4vw, 36px); font-weight: 800; margin-top: 8px; }
.section-line { width: 48px; height: 2px; background: var(--c-mark); margin-top: 16px; }
.section-desc { color: var(--c-text-2); margin-top: 12px; }

.services-grid, .cases-grid, .innov-grid, .apps-grid, .trust-grid, .results-grid, .stages-grid, .advantages-grid { display: grid; gap: 24px; }
.services-grid, .cases-grid, .innov-grid, .apps-grid { grid-template-columns: repeat(2, 1fr); }
.results-grid, .trust-grid { grid-template-columns: repeat(4, 1fr); }
.service-card, .case-card, .innov-card, .app-card, .advantage-item, .result-card, .stage-card, .trust-item, .process-step { background: #fff; border: 1px solid var(--c-border); padding: 24px; border-radius: var(--r-card); transition: border-color .2s, box-shadow .2s; }
.service-card:hover, .case-card:hover, .innov-card:hover, .app-card:hover { border-color: var(--c-mark-deep); box-shadow: 0 6px 20px rgba(0,0,0,.04); }
.service-title, .case-info h3, .innov-body h3, .app-card h3, .stage-head h3, .advantage-item h3, .trust-item h3 { font-size: 18px; margin-bottom: 8px; }
.service-desc, .innov-value, .app-card p, .advantage-item p, .trust-item p { color: var(--c-text-2); font-size: 14px; }
.service-features { margin-top: 12px; color: var(--c-text-2); font-size: 14px; }
.service-features li { padding: 3px 0; }
.case-media { position: relative; overflow: hidden; aspect-ratio: 16/9; background: var(--c-surface-1); }
.case-img { width: 100%; height: 100%; object-fit: contain; }
.case-tag { position: absolute; left: 12px; top: 12px; background: #fff; border: 1px solid var(--c-border); padding: 2px 8px; font-size: 12px; color: var(--c-text-2); }
.cert-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 28px; }
.cert-thumb { border: 1px solid var(--c-border); background: #fff; aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; overflow: hidden; cursor: zoom-in; }
.cert-img { width: 100%; height: 100%; object-fit: contain; padding: 8px; background: #fff; }
.process-steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.process-word { font-family: var(--font-mono); font-size: 28px; color: var(--c-mark-deep); }
.result-number { font-size: 40px; color: var(--c-mark-deep); font-weight: 600; }
.result-label { color: var(--c-text-2); font-size: 14px; margin-top: 6px; }
.lifecycle-points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.lifecycle-points li { border: 1px solid var(--c-border); padding: 12px 16px; border-radius: 2px; color: var(--c-text-2); font-size: 14px; }

/* 证书灯箱 */
.cert-lightbox { position: fixed; inset: 0; background: rgba(20,22,26,.85); display: flex; align-items: center; justify-content: center; z-index: var(--z-modal); padding: 24px; }
.cert-lightbox img { max-width: 90vw; max-height: 90vh; border: 1px solid var(--c-border); background: #fff; }

/* reveal（子页用） */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity var(--dur-reveal) var(--ease-std), transform var(--dur-reveal) var(--ease-std); }
.reveal.visible { opacity: 1; transform: none; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1024px) {
  .problem-grid, .contact-wrapper, .footer-inner { grid-template-columns: 1fr; }
  .svc-list { grid-template-columns: 1fr; }
  .svc-row:nth-child(even) { padding-left: 0; border-left: none; }
  .results-grid, .trust-grid, .services-grid, .cases-grid, .innov-grid, .apps-grid, .process-steps, .lifecycle-points { grid-template-columns: 1fr 1fr; }
  .cert-wall { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .nav-menu { position: fixed; inset: 0 0 0 auto; width: min(80vw, 320px); background: #fff; flex-direction: column; padding: 80px 24px; gap: 20px; transform: translateX(100%); transition: transform .3s var(--ease-std); border-left: 1px solid var(--c-border); box-shadow: -8px 0 24px rgba(0,0,0,.06); }
  .nav-menu.active { transform: none; }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .metrics, .results-grid, .trust-grid, .services-grid, .cases-grid, .innov-grid, .apps-grid, .process-steps, .lifecycle-points, .footer-links { grid-template-columns: 1fr; }
  .cert-wall { grid-template-columns: repeat(2, 1fr); }
  .hero-counter { flex-direction: column; align-items: flex-start; }
  .scroll-hint { display: none; }
  .contact-form-wrapper { padding: 24px 18px; }
}

/* =========================================================
   prefers-reduced-motion：关闭非必要运动
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .mark-core, .mark-ring { animation: none; }
  .cut-reveal { clip-path: inset(0 0 0 0); }
  .cut-line { left: 100%; }
  .tl-node { background: var(--c-mark); }
  .cut, .cut:focus, .cut:hover { cursor: default; }
}

/* =========================================================
   关于页 · 内容聚合（消除零散 / 留白过大）
   ========================================================= */
/* 公司简介：左文右卡 两栏 */
.about-content { display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: start; }
.about-text { max-width: 60ch; }
.about-desc { color: var(--c-text-2); margin-bottom: 18px; font-size: 16px; }
.about-desc:last-child { margin-bottom: 0; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.about-tags li { font-size: 13px; color: var(--c-text-2); border: 1px solid var(--c-border); background: var(--c-surface-1); padding: 6px 12px; border-radius: 2px; }
.about-side { display: grid; gap: 14px; }
.about-side-card { border: 1px solid var(--c-border); border-left: 3px solid var(--c-mark); padding: 18px 20px; background: #fff; }
.about-side-card h3 { font-size: 16px; font-weight: 700; }
.about-side-card p { color: var(--c-text-2); font-size: 14px; margin-top: 6px; }

/* 经营理念：三卡成组，绿顶强调 + 序号 */
.values-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.value-row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; border: 1px solid var(--c-border); background: #fff; padding: 22px 24px; transition: border-color .2s, box-shadow .2s; }
.value-row:nth-child(even) .value-media { order: -1; }  /* 偶数行图片居左，左右交替 */
.value-row:hover { border-color: var(--c-mark-deep); box-shadow: 0 8px 24px rgba(0,0,0,.05); }
.value-index { font-family: var(--font-mono); font-size: 14px; color: var(--c-mark-deep); letter-spacing: 1px; }
.value-text h3 { font-size: 24px; margin: 8px 0 10px; color: var(--c-mark-deep); }
.value-text p { color: var(--c-text-2); font-size: 15px; }
.value-media { overflow: hidden; }
.value-img { width: 100%; height: 230px; object-fit: cover; display: block; transition: transform .55s var(--ease-emp); }
.value-row:hover .value-img { transform: scale(1.04); }

/* 办公环境 · 艺术拼贴（非单张大图） */
.office-grid { display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 200px; gap: 14px; }
.office-item { margin: 0; overflow: hidden; background: var(--c-surface-1); position: relative; }
.office-item picture { display: block; width: 100%; height: 100%; }
.office-img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s var(--ease-emp); }
.office-item:hover .office-img { transform: scale(1.05); }
.office-item::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px var(--c-border); pointer-events: none; }
.office-item:nth-child(1) { grid-column: span 4; grid-row: span 2; }
/* 办公环境 hover 标签（会议室/工位等） */
.office-label { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 24px 16px 14px; font-size: 14px; color: #fff; letter-spacing: .5px; background: linear-gradient(to top, rgba(0,0,0,.6), rgba(0,0,0,0)); opacity: 0; transform: translateY(8px); transition: opacity .3s var(--ease-std), transform .3s var(--ease-std); pointer-events: none; }
.office-item:hover .office-label, .office-item:focus-within .office-label { opacity: 1; transform: translateY(0); }
/* 首图为视觉主图：标签常驻 + 加深渐变，更大气 */
.office-item:nth-child(1)::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(to top, rgba(0,0,0,.45), rgba(0,0,0,0) 45%); }
.office-item:nth-child(1) .office-label { opacity: 1; transform: translateY(0); }
.office-item:nth-child(2) { grid-column: span 2; grid-row: span 1; }
.office-item:nth-child(3) { grid-column: span 2; grid-row: span 1; }
.office-item:nth-child(4) { grid-column: span 3; grid-row: span 1; }
.office-item:nth-child(5) { grid-column: span 3; grid-row: span 1; }

@media (max-width: 1024px) {
  .about-content { grid-template-columns: 1fr; gap: 32px; }
  .values-grid { grid-template-columns: 1fr; gap: 16px; }
  .value-row { grid-template-columns: 1fr; gap: 16px; padding: 18px; }
  .value-row:nth-child(even) .value-media { order: 0; }  /* 移动端恢复文字在上 */
  .value-img { height: 200px; }
  .office-grid { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 160px; }
  .office-item:nth-child(1) { grid-column: span 3; grid-row: span 1; }
  .office-item:nth-child(n+2) { grid-column: span 1; }
}
@media (max-width: 640px) {
  .office-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 140px; }
  .office-item:nth-child(n) { grid-column: span 1 !important; grid-row: span 1 !important; }
  .office-label { opacity: 1; transform: none; }
}