/* service-common.css
 * 统一服务页组件样式 —— 由 5 个使用 .svc-* 语义化组件的服务页共享：
 *   service-foreign-trade / service-traffic / service-digital-employee
 *   / service-salary / service-ai-knowledge
 * 各页面通过自身 service-xxx.css 顶部的 --svc-accent 等变量定义主题色。
 */

:root {
  --svc-accent: #003366;
  --svc-accent-dark: #002244;
  --svc-accent-soft: rgba(0, 51, 102, .08);
  --svc-navy: #003366;
  --svc-text: #1f2937;
  --svc-text-soft: #6b7280;
  --svc-border: #e5e7eb;
  --svc-bg-alt: #f5f7fa;
  --svc-radius: 16px;
  --svc-shadow: 0 4px 20px rgba(0, 0, 0, .06);
  --svc-shadow-hover: 0 12px 40px rgba(0, 0, 0, .12);
  --svc-container: 1440px;
}

/* ===== HERO ===== */
.svc-hero { position: relative; min-height: 480px; display: flex; align-items: center; overflow: hidden; color: #fff; background: linear-gradient(135deg, var(--svc-accent-dark), var(--svc-accent)); }
.svc-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
.svc-hero-overlay { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(0,0,0,.58), rgba(0,0,0,.28)); z-index: 1; }
.svc-hero-content { position: relative; z-index: 2; max-width: var(--svc-container); width: 100%; margin: 0 auto; padding: 140px 32px 80px; }
.svc-hero-badge { display: inline-block; padding: 6px 16px; border-radius: 100px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25); font-size: 13px; font-weight: 600; letter-spacing: .05em; margin-bottom: 20px; }
.svc-hero-title { font-size: clamp(30px, 5vw, 52px); font-weight: 900; line-height: 1.2; margin-bottom: 18px; }
.svc-hero-desc { font-size: 17px; line-height: 1.8; max-width: 660px; color: rgba(255,255,255,.86); margin-bottom: 28px; }
.svc-hero-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 10px; background: #fff; color: var(--svc-accent); font-weight: 700; font-size: 15px; text-decoration: none; transition: transform .3s, box-shadow .3s; }
.svc-hero-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.svc-hero-btn svg { width: 18px; height: 18px; }

/* ===== BREADCRUMB (visual styles live in unified.css; rendered inside hero) ===== */

/* ===== SECTION ===== */
.svc-section { padding: 80px 32px; }
.svc-section--alt { background: var(--svc-bg-alt); }
.svc-container { max-width: var(--svc-container); margin: 0 auto; }

/* ===== SHOWCASE ===== */
.svc-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.svc-showcase-tag { display: inline-block; padding: 5px 14px; border-radius: 8px; color: #fff; font-size: 13px; font-weight: 600; margin-bottom: 18px; }
.svc-showcase-heading { font-size: 30px; font-weight: 800; color: var(--svc-navy); margin-bottom: 16px; line-height: 1.3; }
.svc-showcase-desc { font-size: 15px; line-height: 1.9; color: var(--svc-text-soft); margin-bottom: 22px; }
.svc-showcase-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.svc-showcase-badge { padding: 8px 14px; background: var(--svc-accent-soft); color: var(--svc-accent); border-radius: 8px; font-size: 13px; font-weight: 600; }
.svc-showcase-img-wrap { border-radius: var(--svc-radius); overflow: hidden; box-shadow: var(--svc-shadow-hover); background: #eef2f7; }
.svc-showcase-img-wrap img { width: 100%; height: 380px; object-fit: cover; display: block; }

/* ===== SECTION HEADER ===== */
.svc-header { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.svc-header-tag { display: inline-block; padding: 5px 14px; border-radius: 100px; background: var(--svc-accent-soft); color: var(--svc-accent); font-size: 12px; font-weight: 700; letter-spacing: .1em; margin-bottom: 14px; }
.svc-header-title { font-size: 30px; font-weight: 800; color: var(--svc-navy); line-height: 1.3; }
.svc-header-sub { font-size: 15px; color: var(--svc-text-soft); margin-top: 12px; line-height: 1.7; }
.svc-header-desc { font-size: 15px; color: var(--svc-text-soft); line-height: 1.7; margin-top: 12px; }

/* ===== PAIN POINTS ===== */
.svc-pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.svc-pain-card { background: #fff; border-radius: var(--svc-radius); padding: 32px 26px; border: 1px solid var(--svc-border); transition: transform .35s, box-shadow .35s, border-color .35s; }
.svc-pain-card:hover { transform: translateY(-6px); box-shadow: var(--svc-shadow-hover); border-color: var(--svc-accent-soft); }
.svc-pain-icon { font-size: 34px; margin-bottom: 16px; }
.svc-pain-title { font-size: 17px; font-weight: 700; color: var(--svc-navy); margin-bottom: 10px; }
.svc-pain-desc { font-size: 14px; line-height: 1.7; color: var(--svc-text-soft); }
.svc-pain-cta { margin-top: 40px; text-align: center; }
.svc-pain-cta-text { display: inline-flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; color: var(--svc-accent); }
.svc-pain-cta-text svg { width: 18px; height: 18px; }

/* ===== NUMBERED HEADER ===== */
.svc-num-header { display: flex; align-items: center; gap: 20px; margin-bottom: 48px; }
.svc-num { font-size: 46px; font-weight: 900; color: var(--svc-accent); line-height: 1; }
.svc-num-label { font-size: 13px; font-weight: 700; color: var(--svc-text-soft); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; }
.svc-num-title { font-size: 28px; font-weight: 800; color: var(--svc-navy); line-height: 1.3; }

/* ===== FEATURES ===== */
.svc-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-feature-card { background: #fff; border-radius: var(--svc-radius); padding: 34px 28px; border: 1px solid var(--svc-border); transition: transform .35s, box-shadow .35s; position: relative; overflow: hidden; }
.svc-feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--svc-accent); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.svc-feature-card:hover::before { transform: scaleX(1); }
.svc-feature-card:hover { transform: translateY(-6px); box-shadow: var(--svc-shadow-hover); }
.svc-feature-icon-wrap { width: 56px; height: 56px; border-radius: 14px; background: var(--svc-accent-soft); display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 18px; }
.svc-feature-title { font-size: 18px; font-weight: 700; color: var(--svc-navy); margin-bottom: 10px; }
.svc-feature-desc { font-size: 14px; line-height: 1.7; color: var(--svc-text-soft); }

/* ===== DEMO WINDOW (通用) ===== */
.svc-kb-demo { padding: 80px 24px; background: linear-gradient(135deg, #0a1628, #0f2035); }
.svc-kb-inner { max-width: 760px; margin: 0 auto; }
.svc-kb-label { display: inline-block; font-size: 14px; font-weight: 600; color: rgba(255,255,255,.72); letter-spacing: .05em; }
.svc-kb-window { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.4); margin-top: 16px; }
.svc-kb-bar { display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: #f3f4f6; border-bottom: 1px solid var(--svc-border); }
.svc-kb-bar-avatar { width: 38px; height: 38px; border-radius: 10px; background: var(--svc-accent-soft); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.svc-kb-bar-info { flex: 1; }
.svc-kb-bar-name { font-size: 14px; font-weight: 700; color: var(--svc-navy); }
.svc-kb-bar-status { font-size: 12px; color: var(--svc-text-soft); }
.svc-kb-bar-actions { display: flex; gap: 5px; }
.svc-kb-bar-dot { width: 10px; height: 10px; border-radius: 50%; background: #d1d5db; }
.svc-kb-body { padding: 20px; max-height: 440px; overflow-y: auto; }

/* ===== DEMO: CHAT (digital-employee / ai-knowledge) ===== */
.svc-kb-chat { display: flex; flex-direction: column; gap: 12px; }
.svc-kb-bubble { max-width: 82%; padding: 12px 16px; border-radius: 14px; font-size: 14px; line-height: 1.6; }
.svc-kb-bubble--user { align-self: flex-end; background: var(--svc-accent); color: #fff; border-bottom-right-radius: 4px; }
.svc-kb-bubble--bot { align-self: flex-start; background: #f3f4f6; color: var(--svc-text); border-bottom-left-radius: 4px; }
.svc-kb-ref { display: block; margin-top: 8px; font-size: 12px; color: var(--svc-accent); opacity: .85; }
.svc-kb-typing { display: flex; gap: 5px; align-self: flex-start; padding: 14px 16px; background: #f3f4f6; border-radius: 14px; border-bottom-left-radius: 4px; }
.svc-kb-typing-dot { width: 7px; height: 7px; border-radius: 50%; background: #9ca3af; animation: svcBlink 1.4s infinite both; }
.svc-kb-typing-dot:nth-child(2) { animation-delay: .2s; }
.svc-kb-typing-dot:nth-child(3) { animation-delay: .4s; }
@keyframes svcBlink { 0%, 80%, 100% { opacity: .3; } 40% { opacity: 1; } }
.svc-kb-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.svc-kb-tab { padding: 8px 16px; border-radius: 100px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.7); font-size: 13px; cursor: pointer; transition: .2s; }
.svc-kb-tab--active { background: var(--svc-accent); color: #fff; border-color: var(--svc-accent); }

/* ===== DEMO: FOREIGN TRADE BROWSER ===== */
.svc-ft-browser { border: 1px solid var(--svc-border); border-radius: 12px; overflow: hidden; background: #fff; }
.svc-ft-browser-bar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: #f3f4f6; border-bottom: 1px solid var(--svc-border); }
.svc-ft-browser-dots { display: flex; gap: 6px; }
.svc-ft-browser-dot { width: 11px; height: 11px; border-radius: 50%; background: #d1d5db; }
.svc-ft-browser-url { flex: 1; background: #fff; border-radius: 8px; padding: 6px 12px; font-size: 13px; color: var(--svc-text-soft); text-align: center; }
.svc-ft-lang-tabs { display: flex; gap: 8px; padding: 14px 16px 0; flex-wrap: wrap; }
.svc-ft-lang-tab { padding: 8px 16px; border-radius: 8px 8px 0 0; background: #eef2f7; color: var(--svc-text-soft); font-size: 13px; font-weight: 600; cursor: pointer; }
.svc-ft-lang-tab.active { background: var(--svc-accent); color: #fff; }
.svc-ft-products { padding: 16px; }
.svc-ft-product { display: flex; align-items: center; gap: 14px; padding: 12px; margin-bottom: 10px; border: 1px solid var(--svc-border); border-radius: 10px; }
.svc-ft-product-img { width: 52px; height: 52px; border-radius: 10px; background: var(--svc-accent-soft); display: flex; align-items: center; justify-content: center; font-size: 26px; flex-shrink: 0; }
.svc-ft-product-body { flex: 1; }
.svc-ft-product-name { font-size: 14px; font-weight: 600; color: var(--svc-navy); }
.svc-ft-product-price { font-size: 13px; color: var(--svc-accent); font-weight: 600; }
.svc-ft-inquiry { margin-top: 6px; padding: 16px; border-top: 1px solid var(--svc-border); background: #fafbfc; }
.svc-ft-inquiry-title { font-size: 15px; font-weight: 700; color: var(--svc-navy); margin-bottom: 12px; }
.svc-ft-form-row { display: flex; gap: 10px; margin-bottom: 10px; }
.svc-ft-input, .svc-ft-textarea { flex: 1; width: 100%; padding: 10px 12px; border: 1px solid var(--svc-border); border-radius: 8px; font-size: 13px; font-family: inherit; outline: none; transition: border-color .2s, background .2s; }
.svc-ft-input:focus, .svc-ft-textarea:focus { border-color: var(--svc-accent); background: #fff; }
.svc-ft-textarea { resize: vertical; min-height: 70px; margin-bottom: 10px; }
.svc-ft-send-btn { width: 100%; padding: 11px; border: none; border-radius: 8px; background: var(--svc-accent); color: #fff; font-weight: 700; font-size: 14px; cursor: pointer; transition: background .2s; }
.svc-ft-send-btn:hover { background: var(--svc-accent-dark); }

/* ===== DEMO: TRAFFIC DASHBOARD ===== */
.svc-traffic-dash { display: flex; flex-direction: column; gap: 20px; }
.svc-traffic-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.svc-traffic-stat { background: #f8fafc; border: 1px solid var(--svc-border); border-radius: 10px; padding: 14px; text-align: center; }
.svc-traffic-stat-label { font-size: 12px; color: var(--svc-text-soft); margin-bottom: 6px; }
.svc-traffic-stat-val { font-size: 22px; font-weight: 800; color: var(--svc-navy); }
.svc-traffic-stat-val--accent { color: var(--svc-accent); }
.svc-traffic-chart { background: #fff; border: 1px solid var(--svc-border); border-radius: 10px; padding: 16px; }
.svc-traffic-chart-title { font-size: 14px; font-weight: 700; color: var(--svc-navy); margin-bottom: 14px; }
.svc-traffic-bars { display: flex; align-items: flex-end; gap: 8px; height: 120px; }
.svc-traffic-bar { flex: 1; background: linear-gradient(180deg, var(--svc-accent), var(--svc-accent-soft)); border-radius: 4px 4px 0 0; min-height: 4px; transition: height .8s ease; }
.svc-traffic-src-title { font-size: 14px; font-weight: 700; color: var(--svc-navy); margin-bottom: 12px; }
.svc-traffic-src-item { margin-bottom: 12px; }
.svc-traffic-src-head { display: flex; justify-content: space-between; font-size: 13px; color: var(--svc-text); margin-bottom: 5px; }
.svc-traffic-sources { margin-top: 16px; }
.svc-traffic-src-name { font-weight: 500; }
.svc-traffic-src-pct { font-weight: 700; color: var(--svc-accent); }
.svc-traffic-src-bar { height: 8px; background: #eef2f7; border-radius: 4px; overflow: hidden; }
.svc-traffic-src-fill { height: 100%; background: var(--svc-accent); border-radius: 4px; transition: width 1s ease; }

/* ===== DEMO: SALARY SLIP ===== */
.svc-salary-slip { background: #fff; border-radius: 12px; padding: 20px; border: 1px solid var(--svc-border); }
.svc-salary-header { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 14px; border-bottom: 2px solid var(--svc-accent); margin-bottom: 14px; }
.svc-salary-title { font-size: 17px; font-weight: 800; color: var(--svc-navy); }
.svc-salary-period { font-size: 12px; color: var(--svc-text-soft); }
.svc-salary-info { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: var(--svc-text-soft); margin-bottom: 16px; }
.svc-salary-info strong { color: var(--svc-navy); }
.svc-salary-section { margin-bottom: 14px; }
.svc-salary-sec-title { font-size: 14px; font-weight: 700; color: var(--svc-accent); margin-bottom: 8px; }
.svc-salary-row { display: flex; justify-content: space-between; font-size: 14px; padding: 6px 0; border-bottom: 1px dashed var(--svc-border); }
.svc-salary-label { color: var(--svc-text-soft); }
.svc-salary-val { font-weight: 600; color: var(--svc-navy); }
.svc-salary-val--neg { color: #ef4444; }
.svc-salary-net { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; padding: 14px 16px; background: var(--svc-accent-soft); border-radius: 10px; }
.svc-salary-net-label { font-size: 14px; font-weight: 700; color: var(--svc-navy); }
.svc-salary-net-val { font-size: 22px; font-weight: 800; color: var(--svc-accent); }

/* ===== ADVANTAGES ===== */
.svc-advantages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-adv-item { background: #fff; border-radius: var(--svc-radius); padding: 30px 26px; border: 1px solid var(--svc-border); transition: transform .35s, box-shadow .35s; }
.svc-adv-item:hover { transform: translateY(-5px); box-shadow: var(--svc-shadow-hover); }
.svc-adv-num { font-size: 13px; font-weight: 800; color: var(--svc-accent); letter-spacing: .1em; margin-bottom: 12px; }
.svc-adv-item h3 { font-size: 18px; font-weight: 700; color: var(--svc-navy); margin-bottom: 10px; }
.svc-adv-item p { font-size: 14px; line-height: 1.7; color: var(--svc-text-soft); }

/* ===== CTA ===== */
.svc-cta { position: relative; padding: 80px 24px; background: linear-gradient(135deg, var(--svc-accent-dark), var(--svc-accent)); text-align: center; color: #fff; overflow: hidden; }
.svc-cta-content { max-width: 760px; margin: 0 auto; }
.svc-cta-content h2 { font-size: 30px; font-weight: 800; margin-bottom: 14px; line-height: 1.3; }
.svc-cta-desc { font-size: 16px; color: rgba(255,255,255,.85); margin-bottom: 28px; }
.svc-cta-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 34px; border-radius: 10px; background: #fff; color: var(--svc-accent); font-weight: 700; font-size: 15px; text-decoration: none; transition: transform .3s, box-shadow .3s; }
.svc-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.svc-cta-btn svg { width: 18px; height: 18px; }
.svc-cta-phone { margin-top: 20px; font-size: 22px; font-weight: 800; letter-spacing: .02em; }

/* ===== SCROLL REVEAL ===== */
.svc-reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.svc-reveal.active { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .svc-reveal { opacity: 1 !important; transform: none !important; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .svc-showcase { grid-template-columns: 1fr; gap: 32px; }
  .svc-pain-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-features { grid-template-columns: repeat(2, 1fr); }
  .svc-advantages { grid-template-columns: repeat(2, 1fr); }
  .svc-num-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .svc-hero { min-height: auto; }
  .svc-hero-content { padding: 120px 20px 60px; }
  .svc-section { padding: 56px 20px; }
  .svc-kb-demo { padding: 56px 20px; }
  .svc-cta { padding: 56px 20px; }
}
@media (max-width: 640px) {
  .svc-pain-grid, .svc-features, .svc-advantages { grid-template-columns: 1fr; }
  .svc-traffic-stats { grid-template-columns: repeat(2, 1fr); }
  .svc-traffic-bars { height: 90px; }
  .svc-showcase-heading, .svc-header-title, .svc-num-title, .svc-cta-content h2 { font-size: 24px; }
  .svc-hero-desc { font-size: 15px; }
  .svc-ft-form-row { flex-direction: column; gap: 10px; }
}

/* ===== 服务页宽屏对齐 =====
   服务页容器由 unified.css 统一拉宽到 1800/64(1920px+) / 2000/80(2560px+)，
   与头部/页脚/面包屑严格对齐。这里仅保留知识库内部容器可读性限制。 */
@media (min-width: 1920px) {
  .svc-kb-inner {
    max-width: 760px !important;
  }
}