/* ===== 全局 ===== */
:root{
  --c-primary:#0FB5A6;
  --c-primary-deep:#0A7E73;
  --c-primary-soft:#E8F7F5;
  --c-accent:#F59E42;
  --c-text:#1B2A33;
  --c-text-2:#54626B;
  --c-text-3:#7C8A91;
  --c-border:#E1E8E9;
  --c-bg:#FFFFFF;
  --c-bg-2:#F7FAFB;
  --c-bg-3:#F0F5F4;
  --shadow-card:0 6px 24px rgba(15, 60, 70, .08);
  --shadow-soft:0 2px 8px rgba(15, 60, 70, .06);
  --radius:8px;
  --radius-lg:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;
  color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

/* ===== 顶部导航 ===== */
.topbar{
  background:#FFFFFF;
  border-bottom:1px solid var(--c-border);
  position:sticky;top:0;z-index:50;
}
.topbar-inner{
  max-width:1200px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:600;color:var(--c-text);
}
.brand-mark{
  width:28px;height:28px;border-radius:6px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:6px;top:9px;
  width:16px;height:10px;border:2px solid #fff;border-radius:50%/40%;
  border-bottom-color:transparent;
}
.brand-text{font-size:15px;letter-spacing:.5px}
.brand-text small{display:block;font-size:11px;font-weight:400;color:var(--c-text-3);margin-top:1px}
.topbar-contacts{display:flex;gap:24px;font-size:13px;color:var(--c-text-2)}
.topbar-contacts span{display:flex;align-items:center;gap:6px}
.dot-icon{width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* ===== 通用容器 ===== */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
.section-alt{background:var(--c-bg-2)}
.section-soft{background:var(--c-primary-soft)}

.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:2px;
  color:var(--c-primary-deep);font-weight:600;
  padding:4px 0;margin-bottom:14px;
  text-transform:uppercase;
}
h2.section-title{
  font-size:36px;line-height:1.25;font-weight:700;
  color:var(--c-text);margin-bottom:14px;
}
.section-lead{
  font-size:17px;color:var(--c-text-2);
  max-width:760px;margin-bottom:48px;
}
.section-head{margin-bottom:48px}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 96px;
  background:
    radial-gradient(circle at 90% -20%, rgba(15,181,166,.10), transparent 50%),
    radial-gradient(circle at -10% 110%, rgba(15,181,166,.06), transparent 45%),
    #ffffff;
}
.hero-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1.05fr 1fr;
  gap:60px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
  font-size:13px;font-weight:600;letter-spacing:.5px;
  padding:6px 14px;border-radius:999px;
  margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;background:var(--c-primary);border-radius:50%}
.hero h1{
  font-size:48px;line-height:1.18;font-weight:700;
  color:var(--c-text);margin-bottom:20px;
}
.hero h1 .accent{color:var(--c-primary-deep)}
.hero-sub{
  font-size:17px;line-height:1.75;color:var(--c-text-2);
  margin-bottom:32px;max-width:520px;
}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin-bottom:34px;max-width:520px;
}
.hero-stat{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius);padding:14px 16px;
}
.hero-stat .num{font-size:22px;font-weight:700;color:var(--c-primary-deep);line-height:1.2}
.hero-stat .lbl{font-size:12px;color:var(--c-text-3);margin-top:4px;letter-spacing:.5px}

.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 26px;border-radius:var(--radius);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .2s ease;border:1px solid transparent;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep)}
.btn-ghost{background:#fff;color:var(--c-text);border-color:var(--c-border)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-deep)}

.hero-image{
  position:relative;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-card);
  background:#fff;
}
.hero-image img{width:100%;height:auto;display:block}
.hero-image-tag{
  position:absolute;left:18px;top:18px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(6px);
  border-radius:var(--radius);padding:10px 14px;
  font-size:12px;color:var(--c-text-2);
  display:flex;align-items:center;gap:8px;
}
.hero-image-tag strong{color:var(--c-primary-deep);font-size:14px;font-weight:600;display:block}

/* ===== 痛点卡片 ===== */
.pain-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.pain-card{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-lg);padding:28px;
  box-shadow:var(--shadow-soft);
}
.pain-card .tag{
  display:inline-block;font-size:12px;font-weight:600;
  background:#FDF1E7;color:#C56A1F;
  padding:4px 10px;border-radius:4px;margin-bottom:14px;
}
.pain-card h3{font-size:19px;font-weight:600;margin-bottom:18px;color:var(--c-text)}
.pain-list li{
  position:relative;padding-left:22px;
  font-size:14.5px;color:var(--c-text-2);line-height:1.7;
  margin-bottom:10px;
}
.pain-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:12px;height:12px;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><circle cx='6' cy='6' r='5' fill='%23F59E42'/><path d='M3.5 6.2L5.3 8l3.2-4' stroke='white' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat;
}
.pain-card.solve{
  background:linear-gradient(135deg,#0FB5A6 0%,#0A7E73 100%);
  color:#fff;border-color:transparent;
}
.pain-card.solve .tag{background:rgba(255,255,255,.18);color:#fff}
.pain-card.solve h3{color:#fff}
.pain-card.solve .pain-list li{color:rgba(255,255,255,.92)}
.pain-card.solve .pain-list li::before{
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><circle cx='6' cy='6' r='5' fill='white'/><path d='M3.5 6.2L5.3 8l3.2-4' stroke='%230A7E73' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat;
}

/* ===== 核心指标行 ===== */
.metric-strip{
  margin-top:48px;
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-lg);padding:24px 28px;
  box-shadow:var(--shadow-soft);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.metric-item{text-align:left;padding-right:12px;border-right:1px solid var(--c-border)}
.metric-item:last-child{border-right:none}
.metric-item .m-num{font-size:28px;font-weight:700;color:var(--c-primary-deep);line-height:1.1}
.metric-item .m-unit{font-size:14px;color:var(--c-primary-deep);font-weight:500;margin-left:2px}
.metric-item .m-lbl{font-size:13px;color:var(--c-text-2);margin-top:8px;line-height:1.5}

/* ===== 技术亮点卡片 ===== */
.tech-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.tech-card{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-lg);padding:26px 22px;
  transition:all .25s ease;box-shadow:var(--shadow-soft);
  position:relative;overflow:hidden;
}
.tech-card:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.tech-card .tc-no{
  position:absolute;right:18px;top:18px;
  font-size:11px;letter-spacing:2px;color:var(--c-text-3);font-weight:600;
}
.tech-card .tc-icon{
  width:44px;height:44px;border-radius:10px;
  background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;color:var(--c-primary-deep);
}
.tech-card h3{font-size:17px;font-weight:600;color:var(--c-text);margin-bottom:10px}
.tech-card p{font-size:14px;color:var(--c-text-2);line-height:1.65}
.tech-card .tc-stat{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--c-border);
  display:flex;align-items:baseline;gap:6px;
}
.tech-card .tc-stat b{font-size:20px;color:var(--c-primary-deep);font-weight:700}
.tech-card .tc-stat span{font-size:12px;color:var(--c-text-3)}

/* 8 项指标 */
.metrics-eight{
  margin-top:64px;
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-lg);padding:36px 36px 30px;
  box-shadow:var(--shadow-soft);
}
.metrics-eight h3{font-size:18px;font-weight:600;margin-bottom:6px}
.metrics-eight .sub{font-size:13px;color:var(--c-text-3);margin-bottom:24px}
.metrics-eight .grid8{
  display:grid;grid-template-columns:repeat(8,1fr);gap:14px;
}
.m8{
  background:var(--c-bg-2);border:1px solid var(--c-border);
  border-radius:var(--radius);padding:14px 10px;text-align:center;
}
.m8 .m8-val{font-size:18px;font-weight:700;color:var(--c-primary-deep);line-height:1.2}
.m8 .m8-lbl{font-size:12px;color:var(--c-text-2);margin-top:4px}

/* ===== 场景 ===== */
.scene-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.scene-card{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-soft);
  display:flex;flex-direction:column;
}
.scene-card .pic{
  position:relative;aspect-ratio:16/10;overflow:hidden;
}
.scene-card .pic img{width:100%;height:100%;object-fit:cover}
.scene-card .pic-label{
  position:absolute;left:14px;bottom:14px;
  background:rgba(11,42,51,.78);color:#fff;
  font-size:12px;padding:6px 12px;border-radius:4px;
  backdrop-filter:blur(4px);
}
.scene-card .body{padding:24px;flex:1;display:flex;flex-direction:column}
.scene-card h3{font-size:18px;font-weight:600;margin-bottom:8px;color:var(--c-text)}
.scene-card p{font-size:14px;color:var(--c-text-2);margin-bottom:16px;line-height:1.65}
.scene-card ul{margin-top:auto;border-top:1px dashed var(--c-border);padding-top:14px}
.scene-card ul li{
  font-size:13px;color:var(--c-text-2);padding:4px 0;
  display:flex;align-items:flex-start;gap:8px;
}
.scene-card ul li::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--c-primary);margin-top:9px;flex-shrink:0;
}

/* ===== 系统截图区 ===== */
.sys-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
  align-items:center;margin-bottom:80px;
}
.sys-row:nth-child(even){direction:rtl}
.sys-row:nth-child(even) > *{direction:ltr}
.sys-text h3{
  font-size:26px;font-weight:700;color:var(--c-text);margin-bottom:14px;
}
.sys-text .sys-eyebrow{
  font-size:13px;color:var(--c-primary-deep);font-weight:600;
  letter-spacing:1px;margin-bottom:8px;text-transform:uppercase;
}
.sys-text p{font-size:15px;color:var(--c-text-2);line-height:1.75;margin-bottom:14px}
.sys-text ul li{
  font-size:14.5px;color:var(--c-text-2);padding:6px 0 6px 24px;
  position:relative;line-height:1.7;
}
.sys-text ul li::before{
  content:"";position:absolute;left:0;top:14px;
  width:8px;height:8px;background:var(--c-primary);
  border-radius:50% 50% 50% 0;transform:rotate(-45deg);
}
.sys-pic{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-lg);padding:18px;
  box-shadow:var(--shadow-card);
}
.sys-pic img{width:100%;border-radius:6px}

/* ===== 配置表 ===== */
.cfg-wrap{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-soft);
}
.cfg-table{width:100%;border-collapse:collapse}
.cfg-table thead{
  background:var(--c-primary-soft);
}
.cfg-table th{
  text-align:left;padding:18px 20px;
  font-size:13px;font-weight:600;color:var(--c-primary-deep);
  letter-spacing:.5px;
}
.cfg-table td{
  padding:22px 20px;
  font-size:14.5px;color:var(--c-text-2);
  border-top:1px solid var(--c-border);vertical-align:middle;
}
.cfg-table tbody tr:hover{background:var(--c-bg-2)}
.cfg-table .scale{
  font-size:18px;font-weight:700;color:var(--c-text);
}
.cfg-table .qty{
  display:inline-block;padding:6px 14px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  border-radius:6px;font-weight:600;font-size:15px;
}

/* ===== 成本对比 ===== */
.cost-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px;
}
.cost-card{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-lg);padding:32px;
  box-shadow:var(--shadow-soft);
}
.cost-card.feat{
  border:2px solid var(--c-primary);
  background:linear-gradient(180deg,#fff 0%,#F0FAF8 100%);
}
.cost-card h3{font-size:18px;font-weight:600;margin-bottom:20px;color:var(--c-text)}
.cost-card .head-row{
  display:flex;justify-content:space-between;align-items:baseline;
  border-bottom:1px dashed var(--c-border);padding-bottom:14px;margin-bottom:14px;
}
.cost-card .head-row .label{font-size:14px;color:var(--c-text-3)}
.cost-card .head-row .val{font-size:24px;font-weight:700;color:var(--c-text)}
.cost-card.feat .head-row .val{color:var(--c-primary-deep)}
.cost-card .row-line{
  display:flex;justify-content:space-between;align-items:center;
  padding:8px 0;font-size:14px;color:var(--c-text-2);
}
.cost-card .row-line b{font-weight:600;color:var(--c-text)}
.cost-card .total{
  margin-top:18px;padding-top:18px;border-top:2px solid var(--c-border);
  display:flex;justify-content:space-between;align-items:baseline;
}
.cost-card .total .label{font-size:13px;color:var(--c-text-3);letter-spacing:.5px}
.cost-card .total .val{font-size:30px;font-weight:700;color:var(--c-text)}
.cost-card.feat .total .val{color:var(--c-primary-deep)}

/* ===== 服务流程 ===== */
.service-flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-soft);
}
.sf-col{padding:28px;border-right:1px solid var(--c-border)}
.sf-col:last-child{border-right:none}
.sf-col .sf-no{
  font-size:11px;letter-spacing:2px;font-weight:700;
  color:var(--c-primary);margin-bottom:10px;
}
.sf-col h4{font-size:17px;font-weight:600;margin-bottom:14px;color:var(--c-text)}
.sf-col ul li{
  font-size:14px;color:var(--c-text-2);padding:5px 0;line-height:1.65;
  display:flex;gap:8px;align-items:flex-start;
}
.sf-col ul li::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--c-primary);margin-top:9px;flex-shrink:0;
}

.training-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;
}
.train-card{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-soft);
}
.train-card .role{
  font-size:12px;letter-spacing:2px;font-weight:600;
  color:var(--c-text-3);margin-bottom:6px;text-transform:uppercase;
}
.train-card h4{font-size:17px;font-weight:600;margin-bottom:14px;color:var(--c-text)}
.train-card .duration{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 0;border-bottom:1px dashed var(--c-border);margin-bottom:14px;
}
.train-card .duration b{font-size:24px;font-weight:700;color:var(--c-primary-deep)}
.train-card .duration span{font-size:13px;color:var(--c-text-3)}
.train-card p{font-size:13px;color:var(--c-text-2);line-height:1.7}

/* ===== 联系 ===== */
.contact-card{
  background:linear-gradient(135deg,#0FB5A6 0%,#0A7E73 100%);
  border-radius:var(--radius-lg);
  padding:48px;
  color:#fff;
  display:grid;grid-template-columns:1.4fr 1fr;gap:48px;
}
.contact-card .left h2{font-size:32px;font-weight:700;margin-bottom:14px;color:#fff}
.contact-card .left p{font-size:15px;color:rgba(255,255,255,.85);line-height:1.75;max-width:480px}
.contact-info{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:24px;
  display:flex;flex-direction:column;gap:18px;
}
.ci-row{display:flex;gap:14px;align-items:flex-start}
.ci-icon{
  width:34px;height:34px;border-radius:8px;
  background:rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.ci-text .ci-lbl{font-size:12px;color:rgba(255,255,255,.7);letter-spacing:1px;margin-bottom:4px}
.ci-text .ci-val{font-size:15px;color:#fff;font-weight:500;line-height:1.5}

/* ===== 页脚 ===== */
footer{
  background:#0F1F26;color:rgba(255,255,255,.7);
  padding:36px 0;font-size:13px;
}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
}
.footer-inner a{color:rgba(255,255,255,.85)}
.footer-inner a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:36px}
  .pain-grid,.scene-grid,.cost-grid,.training-grid,.tech-grid{grid-template-columns:1fr 1fr}
  .sys-row{grid-template-columns:1fr;gap:32px}
  .sys-row:nth-child(even){direction:ltr}
  .service-flow{grid-template-columns:1fr 1fr}
  .sf-col{border-right:none;border-bottom:1px solid var(--c-border)}
  .metric-strip{grid-template-columns:1fr 1fr}
  .metric-item{border-right:none;border-bottom:1px solid var(--c-border);padding-bottom:18px}
  .metrics-eight .grid8{grid-template-columns:repeat(4,1fr)}
  .contact-card{grid-template-columns:1fr;padding:32px;gap:28px}
  .topbar-contacts{display:none}
}
@media (max-width:600px){
  section{padding:64px 0}
  .hero{padding:48px 0 72px}
  .hero h1{font-size:30px}
  h2.section-title{font-size:26px}
  .pain-grid,.scene-grid,.cost-grid,.training-grid,.tech-grid{grid-template-columns:1fr}
  .service-flow{grid-template-columns:1fr}
  .metrics-eight .grid8{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:1fr 1fr}
  .cfg-table{display:block;overflow-x:auto;white-space:nowrap}
  .footer-inner{flex-direction:column;text-align:center}
}