:root{
  --safe-area-top:env(safe-area-inset-top,0px);
  --safe-area-bottom:env(safe-area-inset-bottom,0px);
  --brand:#00AEAE;
  --brand-deep:#008F8F;
  --brand-50:#F2FBFB;
  --brand-100:#E6F7F7;
  --brand-400:#33C0C0;
  --text-secondary:#545454;
  --text-tertiary:#8C8C8C;
  --bg-muted:#F2F4F6;
  --border:#E8EAED;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-xl:24px;
  --radius-full:9999px;
  --shadow-lg:0 12px 40px rgba(0,0,0,.08);
  --shadow-brand:0 12px 40px rgba(0,174,174,.15);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ink:#111318;
  --ink-2:#393C3C;
  --body:#4A4E57;
  --muted:#7A8087;
  --line:#E8ECEF;
  --bg:#FFFFFF;
  --bg-soft:#F8FAFB;
  --radius-btn:12px;
  --shadow-card:0 8px 30px rgba(17,19,24,.06);
  --grad-text:linear-gradient(161deg,#101214 34%,#00AEAE 82%);
  --font:"PingFang SC","Douyin Sans","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body{font-family:var(--font);color:var(--body);background:var(--bg);line-height:1.6;overflow-x:hidden}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{list-style:none}
.wrap{width:min(1280px,92vw);margin:0 auto}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.center{text-align:center}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font);cursor:pointer;border:none;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;font-weight:500;letter-spacing:.02em}
.btn-primary{background:var(--brand);color:#fff;border-radius:var(--radius-btn);
  box-shadow:inset 0 0 13px rgba(255,255,255,.9),inset 0 -8px 24px rgba(255,255,255,.28),0 8px 20px rgba(0,174,174,.28)}
.btn-primary:hover{transform:translateY(-2px);background:var(--brand-deep);box-shadow:inset 0 0 13px rgba(255,255,255,.9),inset 0 -8px 24px rgba(255,255,255,.28),0 12px 26px rgba(0,174,174,.36)}
.btn-secondary{background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:var(--radius-btn)}
.btn-secondary:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand-deep);box-shadow:0 8px 20px rgba(17,19,24,.06)}
.btn-lg{padding:15px 40px;font-size:17px}
.btn-sm{padding:9px 22px;font-size:14px}

/* ============ 吸顶导航 ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:block;height:auto;gap:0;padding-top:var(--safe-area-top);background:transparent;transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom-color:var(--line);box-shadow:0 4px 24px rgba(17,19,24,.04)}
.nav-inner{width:min(1280px,94vw);margin:0 auto;height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{width:40px;height:40px;border-radius:10px}
.logo-text{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.logo-text em{font-style:normal;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 2px;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:50%;bottom:-4px;width:5px;height:5px;border-radius:50%;background:var(--brand);transform:translateX(-50%) scale(0);transition:transform .25s ease}
.nav-link:hover{color:var(--brand-deep)}
.nav-link.active{color:var(--brand-deep);font-weight:600}
.nav-link.active::after{transform:translateX(-50%) scale(1)}
.menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.menu-btn span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.mobile-menu{position:fixed;inset:calc(72px + var(--safe-area-top)) 0 0;background:rgba(255,255,255,.98);backdrop-filter:blur(10px);z-index:99;display:none;flex-direction:column;align-items:center;gap:8px;padding:48px 24px calc(48px + var(--safe-area-bottom))}
.mobile-menu.open{display:flex}
.m-link{font-size:18px;color:var(--ink);padding:12px 32px;border-radius:999px;width:100%;text-align:center}
.m-link:active{background:var(--brand-50)}

/* ============ Hero（附件样式：公告条 + 左文右数据插图 + 入口卡，浅蓝渐变背景） ============ */
.hero{min-height:720px;padding:calc(112px + var(--safe-area-top)) 0 0;overflow:hidden;background:url("../assets/hero-bg-v2.png") center top / cover no-repeat;position:relative}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(231,244,255,.36));pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero-tags{display:inline-flex;align-items:stretch;width:fit-content;max-width:100%;margin-bottom:20px;border-radius:999px;background: var(--bg);filter:drop-shadow(0 3px 8px rgba(17,19,24,.05))}
.tag-brand,.tag-plain{display:inline-flex;align-items:center;height:35px;padding:0 10px;font-size:13.5px;line-height:1;white-space:nowrap;justify-content:center}
.tag-brand{flex:0 0 auto;font-weight:600;color:var(--brand-deep);background:#fff;outline:1px solid;border-radius:999px;border-color:rgba(0,174,174,.58);box-shadow:0 0 0 1px rgba(255,255,255,.45) inset;z-index:1}
.tag-plain{flex:0 0 auto;margin-left:-1px;color:#697180;border-radius:999px}
.hero-cols{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);gap:42px;min-height:470px;align-items:center;justify-content:center}
.hero-left{display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.hero h1{max-width:600px;margin:0;font-size:clamp(38px,4.5vw,60px);line-height:1.25;font-weight:800;letter-spacing:.01em;text-align:left;color:#0b1118}
.hero h1 .hl{background:linear-gradient(145deg,#101214 20%,#00aeae 90%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{max-width:560px;font-size:clamp(14.5px,1.5vw,16.5px);color:#59616a;letter-spacing:.02em;text-align:left}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap}
.hero-chips span{font-size:13.5px;color:#005c55;background:rgba(255,255,255,.78);border:1px solid rgba(0,174,174,.22);border-radius:999px;padding:7px 16px;transition:border-color .25s ease,color .25s ease}
.hero-chips span:hover{color:var(--brand-deep);border-color:var(--brand)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.hero-actions .btn{padding:8px 40px;font-size:17px;line-height:1.5}
.btn-dark{background:#101D2C;color:#fff;border-radius:var(--radius-btn);box-shadow:0 10px 24px rgba(16,29,44,.22)}
.btn-dark:hover{transform:translateY(-2px);background:#1A2B40;box-shadow:0 14px 30px rgba(16,29,44,.3)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* 右侧：二奢经营数据卡组合（对应附件仪表盘插图） */
.hero-visual{display:flex;justify-content:center;min-width:0}
.dash-stage{position:relative;width:100%;max-width:610px;height:440px;margin-top:0}
.dash-card{display:block;position:absolute;padding:18px 20px;border:1px solid rgba(255,255,255,.8);border-radius:18px;background:rgba(255,255,255,.9);box-shadow:0 18px 42px rgba(30,90,160,.14);animation:float 6s ease-in-out infinite}
.dc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.dc-title{font-size:13px;font-weight:600;color:#393C3C;letter-spacing:.03em}
.dc-sub{font-size:11.5px;color:#8A93A0}
.dc-goal{top:8px;left:0;width:56%;background:linear-gradient(135deg,#c7e1ff 0%,#dff7fb 100%)}
.dc-goal .dc-title,.dc-goal .dc-sub,.dc-goal .g-num,.dc-goal .g-meta{color:#17324d}
.dc-goal .g-fill{background:#45a6ec}
.dc-goal .g-bar{background:rgba(255,255,255,.72)}
.g-num{font-size:26px;font-weight:800;color:#fff;letter-spacing:.01em}
.g-num em{font-style:normal;font-size:13px;font-weight:600;margin-left:6px}
.g-bar{height:8px;border-radius:999px;background:rgba(255,255,255,.35);margin-top:12px;overflow:hidden}
.g-fill{display:block;height:100%;width:0;background:#fff;border-radius:999px;transition:width 1.4s cubic-bezier(.22,1,.36,1)}
.hero-visual.revealed .g-fill{width:43.3%}
.g-meta{display:flex;justify-content:space-between;font-size:11.5px;color:rgba(255,255,255,.9);margin-top:8px}
.dc-kpi{top:0;right:0;width:36%;animation-delay:.8s}
.k-big{font-size:28px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.k-big em{font-style:normal;font-size:12.5px;color:#E05555;font-weight:600;margin-left:4px}
.dc-kpi .dc-sub{margin-top:6px}
.dc-cat{top:184px;left:0;width:46%;animation-delay:1.6s}
.donut-row{display:flex;align-items:center;gap:14px}
.donut{width:64px;height:64px;border-radius:50%;background:conic-gradient(#00AEAE 0 62%,#7FD8D8 62% 83%,#E3EEF7 83% 100%);position:relative;flex-shrink:0}
.donut::after{content:"";position:absolute;inset:14px;border-radius:50%;background:#fff}
.donut b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12.5px;color:var(--ink);z-index:1}
.cat-legend{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--body)}
.cat-legend i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:6px}
.dc-cat .cat-note{font-size:11.5px;color:#8A93A0;margin-top:12px}
.dc-sales{top:220px;right:0;width:52%;animation-delay:2.4s}
.s-num{font-size:24px;font-weight:800;color:var(--ink)}
.s-num em{font-style:normal;font-size:12.5px;color:#E05555;font-weight:600;margin-left:4px}
.spark{width:100%;height:86px;margin-top:8px;display:block}
.spark-axis{display:flex;justify-content:space-between;font-size:10.5px;color:#9AA5B1;margin-top:4px}
.chip-new{position:absolute;left:7%;bottom:16px;background:#fff;border-radius:999px;box-shadow:0 12px 30px rgba(30,90,160,.16);padding:10px 18px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);animation:float 5s ease-in-out infinite;animation-delay:1.2s;z-index:2}
.chip-new .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-50)}
.chip-new b{color:var(--ink);font-size:14px}

/* 数据条（附件样式：白色圆角背景框 + 竖分隔线） */
.stats-strip{display:flex;justify-content:space-between;align-items:stretch;width:100%;margin:28px auto 56px;padding:30px 20px;border:1px solid rgba(255,255,255,.9);border-radius:24px;background:rgba(255,255,255,.78);box-shadow:0 16px 42px rgba(30,90,160,.14);backdrop-filter:blur(12px);gap:0;flex-wrap:wrap;position:relative}
.stat{flex:1;text-align:center;padding:6px 16px;position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:12%;height:76%;width:1px;background:#E3E8EF}
.stat .stat-num{font-size:clamp(26px,2.4vw,34px);font-weight:800;letter-spacing:.01em;background:linear-gradient(120deg,#008F8F,#00AEAE);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.3}
.stat .stat-label{font-size:13.5px;color:#333;letter-spacing:.05em;margin-top:4px}

/* 通用 section */
.sec-eyebrow{display:inline-block;font-size:14px;letter-spacing:.18em;color:var(--brand-deep);background:var(--brand-50);border-radius:999px;padding:6px 18px;margin-bottom:18px}
.sec-title{font-size:clamp(26px,3.4vw,42px);font-weight:800;color:var(--ink);line-height:1.35;letter-spacing:.01em}
.sec-sub{margin-top:16px;font-size:16px;color:var(--muted);max-width:720px}
.center .sec-sub{margin-left:auto;margin-right:auto}

/* ============ 数据驾驶舱 ============ */
.dashboard-sec{background:linear-gradient(180deg,var(--bg-soft),#fff)}
.dashboard-sec .dark-center{width:min(760px,92vw);margin:0 auto 52px;text-align:center}
.dash{width:min(1080px,94vw);margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:0 30px 80px rgba(17,19,24,.12);overflow:hidden}
.dash-bar{display:flex;align-items:center;gap:14px;padding:16px 22px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
.dash-dots{display:flex;gap:7px}
.dash-dots i{width:11px;height:11px;border-radius:50%;background:var(--brand-100)}
.dash-dots i:first-child{background:var(--brand)}
.dash-title{font-size:14px;color:var(--ink-2);font-weight:600;letter-spacing:.04em}
.dash-body{padding:28px}
.dash-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.kpi{background:var(--bg-soft);border-radius:18px;padding:20px 22px}
.k-label{font-size:13px;color:var(--muted)}
.k-value{font-size:24px;font-weight:800;color:var(--ink);margin-top:6px}
.k-value em{font-style:normal;font-size:13px;color:var(--brand);margin-left:4px;font-weight:600}
.dash-kpis .kpi:first-child .k-value em{color:#E05555}
.dash-kpis .kpi:nth-child(3) .k-value em{color:#E05555}
.dash-kpis .kpi:nth-child(3) .k-trend em{color:#E05555;font-style:normal}
.k-trend{font-size:12px;color:var(--muted);margin-top:6px}
.dash-main{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;margin-top:18px}
.chart{background:var(--bg-soft);border-radius:18px;padding:22px}
.chart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.c-title{font-size:14px;color:var(--ink-2);font-weight:600}
.c-val{font-size:15px;color:var(--brand-deep);font-weight:700}
.bars{display:flex;align-items:flex-end;gap:12px;height:150px}
.bars i{flex:1;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,var(--brand),var(--brand-100));animation:grow 1.2s ease both}
@keyframes grow{from{height:0 !important}}
.days{display:flex;justify-content:space-between;margin-top:10px}
.days span{font-size:11.5px;color:var(--muted);flex:1;text-align:center}
.inv-list{display:flex;flex-direction:column;gap:10px}
.inv-row{display:grid;grid-template-columns:1.5fr 1fr auto auto;gap:10px;align-items:center;background:#fff;border-radius:12px;padding:12px 14px;font-size:13px}
.p-name{color:var(--ink);font-weight:600}
.p-meta{color:var(--muted)}
.p-num{color:var(--ink-2)}
.tag{font-size:12px;color:var(--brand-deep);background:var(--brand-50);border-radius:999px;padding:3px 10px}
.tag.warn{color:#C77700;background:#FFF4E0}

/* ============ 资质荣誉 ============ */
.trust{padding:96px 0;background:var(--bg-soft)}
.trust-caption{text-align:center;font-size:40px;color:var(--ink);font-weight:700;line-height:1.2;letter-spacing:.01em}
.trust-honors{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px;margin-top:44px}
.honor{min-width:0;text-align:center;display:flex;flex-direction:column;align-items:center}
.honor .honor-img{width:min(170px,100%);aspect-ratio:17/21;display:flex;align-items:center;justify-content:center;border-radius:14px;background:#fff;box-shadow:var(--shadow-card)}
.honor img{max-width:calc(100% - 20px);max-height:calc(100% - 14px);width:auto;height:auto;object-fit:contain;border-radius:8px}
.honor-label{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.5}
.trust-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;margin-top:48px}
.partner-card{height:88px;min-width:0;padding:12px 18px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fff;border-radius:18px;box-shadow:var(--shadow-card)}
.trust-row .badge{display:block;width:100%;height:auto;max-height:100%;object-fit:contain;border-radius:10px;box-shadow:none}

/* ============ 生态合作 ============ */
.eco-list{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:52px}
.eco-list li{font-size:16px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:12px 30px;box-shadow:var(--shadow-card);transition:.3s}
.eco-list li:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-3px)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:52px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 26px;box-shadow:var(--shadow-card)}
.faq-item summary{cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--brand);transition:transform .3s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{font-size:14.5px;color:var(--muted);margin-top:12px}

/* ============ CTA ============ */
.cta{padding:120px 0;background:
  radial-gradient(900px 380px at 15% 0%,rgba(0,174,174,.10),transparent 60%),
  radial-gradient(900px 380px at 85% 100%,rgba(0,174,174,.12),transparent 60%)}
.cta h2{font-size:clamp(28px,3.6vw,44px);font-weight:800;color:var(--ink);background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cta-sub{font-size:17px;color:var(--body);margin-top:16px}
.cta .btn{margin-top:36px}
.cta-note{font-size:14px;color:var(--muted);margin-top:20px}

/* ============ 回到顶部 ============ */
.to-top{position:fixed;right:28px;bottom:calc(32px + var(--safe-area-bottom));width:46px;height:46px;border-radius:50%;border:none;background:var(--brand);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(0,174,174,.4);opacity:0;pointer-events:none;transform:translateY(12px);transition:.35s;z-index:90}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top svg{width:20px;height:20px}

/* ============ 入场动效 ============ */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;transition-delay:var(--d,0s)}
[data-reveal].revealed{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}.g-fill,.hero-visual.revealed .g-fill{transition:none}}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .trust-honors{grid-template-columns:repeat(3,minmax(0,1fr))}
  .trust-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
  .dash-kpis{grid-template-columns:repeat(2,1fr)}
  .dash-main{grid-template-columns:1fr}
  .hero-cols{grid-template-columns:1fr;gap:48px}
  .hero-left{align-items:center;text-align:center}
  .hero h1,.hero-sub{text-align:center}
  .hero-tags,.hero-chips,.hero-actions{justify-content:center}
  .feature-row{gap:48px}
  .dash-stage{height:auto;max-width:540px;display:flex;flex-direction:column;gap:16px}
  .dash-card{position:static;width:100%;animation:none}
  .chip-new{position:static;align-self:flex-start}
  .stats-strip{margin-top:36px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .menu-btn{display:flex}
  .hero{padding-top:calc(72px + var(--safe-area-top))}
  .hero-left{align-items:center;text-align:center}
  .hero h1,.hero-sub{text-align:center}
  .hero-tags,.hero-chips,.hero-actions{justify-content:center}
  .stats-strip{padding:20px 12px;justify-content:center;gap:0}
  .stat{flex:0 0 50%;padding:10px 8px}
  .stat:nth-child(3)::before{display:none}
  .pain-grid,.solution-grid,.case-grid,.faq-grid{grid-template-columns:1fr}
  .trust-honors{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
}


.section { padding: 96px 0; }
.section-title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.section-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin: 0 0 48px;
}
.section-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

/* Pain points */
.pain-points { background: var(--bg-soft); }
.pain-points .section-label {
  color: #EB602D;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.pain-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pain-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: #F8DFDF;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  transition: transform .4s var(--ease-out), background-color .4s ease-out, box-shadow .4s ease-out;
}
.pain-card:hover .pain-icon {
  transform: translateY(-2px);
  background: #F8DFDF;
  box-shadow: 0 8px 24px rgba(248,223,223,.78);
}
.icon-svg {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  transform-origin: center;
  transition: transform .4s var(--ease-out), filter .4s ease-out;
}
.pain-card:hover .icon-svg,
.matrix-card:hover .icon-svg,
.matrix-card:focus-within .icon-svg {
  animation: icon-draw-in .72s ease-out 1;
}
.pain-card:hover .icon-svg {
  transform: scale(1.08) rotate(-4deg);
}
.pain-card:nth-child(2):hover .icon-svg { transform: scale(1.08) rotate(4deg); }
.pain-card:nth-child(3):hover .icon-svg { transform: scale(1.08) translateY(-1px); }
@keyframes icon-draw-in {
  0% { opacity: .45; transform: scale(.82) rotate(-7deg); filter: saturate(.72); }
  58% { opacity: 1; transform: scale(1.12) rotate(3deg); filter: saturate(1.16); }
  100% { opacity: 1; transform: scale(1) rotate(0); filter: saturate(1); }
}
.pain-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
}
.pain-card p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.7;
}

/* Product matrix */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.matrix-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s var(--ease-out);
  position: relative;
}
.matrix-card:hover {
  border-color: var(--brand-400);
  box-shadow: var(--shadow-brand);
  transform: translateY(-4px);
}
.matrix-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: #E0FFFB;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  transition: transform .4s var(--ease-out), background-color .4s ease-out, box-shadow .4s ease-out;
}
.matrix-card:hover .matrix-icon,
.matrix-card:focus-within .matrix-icon {
  transform: translateY(-2px);
  background: #E0FFFB;
  box-shadow: 0 8px 24px rgba(0,174,174,.18);
}
.matrix-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
}
.matrix-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 16px;
  line-height: 1.7;
}
.matrix-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.matrix-link:hover { gap: 8px; }

/* Feature sections */
.feature-block {
  padding: 100px 0;
}
.feature-block:nth-child(even) { background: var(--bg-soft); }
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.feature-block.reverse .feature-row {
  direction: rtl;
}
.feature-block.reverse .feature-content,
.feature-block.reverse .feature-media {
  direction: ltr;
}
.feature-content h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 16px;
}
.feature-content p {
  font-size: 17px;
  color: var(--text-secondary);
  margin: 0 0 28px;
  line-height: 1.8;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-secondary);
}
.feature-list .check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--brand-50);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}
.feature-media {
  position: relative;
  display: flex;
  gap: 24px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.media-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 16px;
  box-shadow: var(--shadow-lg);
  max-width: 340px;
  flex: 1 1 280px;
}
.media-card img {
  border-radius: var(--radius-md);
  width: 100%;
}
.scrollable-media {
  max-height: 460px;
  overflow: hidden;
  border-radius: var(--radius-md);
  position: relative;
}
.scrollable-media img {
  width: 100%;
  height: auto;
  animation: scrollSlide 12s ease-in-out infinite;
}

/* Solutions */
.solutions { background: var(--bg-soft); }
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.solution-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s var(--ease-out);
}
.solution-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-400);
}
.solution-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 12px;
}
.solution-card p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0 0 20px;
  line-height: 1.7;
}
.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.solution-tags span {
  padding: 6px 12px;
  background: var(--bg-muted);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-secondary);
  transition: background-color .3s ease, color .3s ease, box-shadow .3s ease;
}
.solution-card:hover .solution-tags span {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 16px rgba(0,174,174,.24);
}

/* Cases */
.case-filter {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.case-filter span {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  color: var(--text-secondary);
  background: var(--bg-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.case-filter span:focus-visible {
  outline: 3px solid rgba(0,174,174,.25);
  outline-offset: 3px;
}
.case-filter span.active,
.case-filter span:hover {
  background: var(--brand);
  color: #fff;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: all 0.3s;
}
.case-card.is-changing {
  opacity: 0;
  transform: translateY(8px);
}
.case-card:hover { box-shadow: var(--shadow-lg); }
.case-card .quote {
  position: absolute;
  top: 24px;
  right: 28px;
  font-size: 48px;
  color: var(--brand-100);
  font-family: Georgia, serif;
  line-height: 1;
}
.case-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--brand);
  margin: 0 0 16px;
}
.case-card p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0 0 24px;
  line-height: 1.8;
}
.case-card .source {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* Animations */
@keyframes scrollSlide {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-40%); }
  100% { transform: translateY(0); }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-title,
  .trust-caption { font-size: 28px; }
  .pain-grid,
  .matrix-grid,
  .solution-grid,
  .case-grid { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; }
  .feature-block.reverse .feature-row { direction: ltr; }
}

.feature.dashboard-sec {
  padding: 104px 0;
  background: linear-gradient(180deg, #f7fafc, #fff);
}
.dashboard-sec .dark-center { margin-bottom: 52px; }
.dashboard-sec .lead { margin-top: 16px; color: var(--muted); font-size: 16px; }

.site-footer {
  position: relative;
  padding: 72px 0 0;
  color: #4B5563;
  background: #F6F7FB;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 0;
}
.site-footer .footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.site-footer .footer-brand img { width: 36px; height: 36px; border-radius: 9px; }
.site-footer .footer-brand span { color: #111318; font-size: 17px; font-weight: 700; }
.site-footer .brand-desc { max-width: 300px; color: #667085; font-size: 13.5px; line-height: 1.9; }
.site-footer h4 { margin: 0 0 18px; color: #111318; font-size: 15px; font-weight: 600; }
.site-footer ul { display: flex; flex-direction: column; gap: 11px; }
.site-footer ul a { color: #667085; font-size: 13.5px; }
.site-footer ul a:hover { color: var(--brand); }
.site-footer .footer-qr { width: 110px; height: 110px; margin-top: 20px; padding: 6px; border-radius: 12px; background: #fff; }
.site-footer .footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 56px;
  margin-left: calc((100% - 100vw) / 2);
  margin-right: calc((100% - 100vw) / 2);
  padding: 22px max(24px, calc((100vw - 1280px) / 2)) calc(22px + var(--safe-area-bottom));
  background: #fff;
  color: #8A93A0;
  font-size: 12.5px;
}

/* ============ 免费试用二维码弹框 ============ */
.qr-modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(15,23,42,.48);opacity:0;pointer-events:none;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.qr-modal.open{opacity:1;pointer-events:auto;visibility:visible}
.qr-modal-panel{position:relative;width:min(360px,100%);padding:36px 28px 30px;text-align:center;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(15,23,42,.2);transform:translateY(12px) scale(.98);transition:transform .25s ease}
.qr-modal.open .qr-modal-panel{transform:none}
.qr-modal-panel h2{margin:0;color:var(--ink);font-size:22px}
.qr-modal-panel p{margin:10px 0 20px;color:var(--muted);font-size:14px}
.qr-modal-panel img{display:block;width:min(180px,100%);height:auto;margin:0 auto;border-radius:8px}
.qr-modal-close{position:absolute;top:10px;right:14px;width:32px;height:32px;border:0;background:transparent;color:var(--muted);font-size:28px;line-height:1;cursor:pointer}
.qr-modal-close:hover{color:var(--ink)}

@media (max-width: 1024px) {
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .hero { min-height: 0; padding-top: calc(90px + var(--safe-area-top)); }
  .hero h1 { font-size: clamp(36px, 8vw, 52px); }
  .stats-strip { margin-top: 22px; }
}
@media (max-width: 620px) {
  .hero { padding-top: calc(84px + var(--safe-area-top)); }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { width: auto; flex-direction: row; align-items: center; justify-content: center; }
  .hero-actions .btn { width: auto; }
  .dash-stage { display: flex; flex-direction: column; gap: 14px; height: auto; }
  .dash-stage .dash-card,
  .dash-stage .chip-new { position: static; width: 100%; animation: none; }
  .dash-stage .chip-new { align-self: flex-start; width: auto; }
  .stats-strip { padding: 18px 10px; }
  .stat { flex: 0 0 50%; padding: 10px 6px; }
  .stat:nth-child(3)::before { display: none; }
  .trust-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .partner-card { height: 72px; padding: 10px 12px; border-radius: 14px; }
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .site-footer .footer-bottom { flex-direction: column; }
}

/* 首屏按参考图收紧：左侧内容居中，右侧卡片保持错落层级 */
@media (min-width: 1025px) {
  .hero-cols {
    grid-template-columns: minmax(0, .98fr) minmax(0, 1.02fr);
    gap: 48px;
  }
  .hero-left {
    align-items: flex-start;
    text-align: left;
  }
  .hero h1,
  .hero-sub {
    text-align: left;
  }
  .hero-tags,
  .hero-chips,
  .hero-actions {
    justify-content: flex-start;
  }
  .dash-stage {
    max-width: 620px;
    transform: translateX(10px);
  }
  .stats-strip {
    width: 100%;
    margin-top: 34px;
    padding: 32px 24px;
    border-radius: 26px;
    background: rgba(255,255,255,.8);
    box-shadow: 0 18px 48px rgba(30,90,160,.15);
  }
}

/* footer 桌面端在解决方案、联系两列前增加分隔线 */
@media (min-width: 1025px) {
  .site-footer .footer-grid > :nth-child(5) {
    border-left: 1px solid #E1E6ED;
    padding-left: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pain-icon,
  .matrix-icon,
  .icon-svg {
    transition: none;
    animation: none !important;
  }
}