/* ===== 基础变量 ===== */
:root{
  --bg:#080a12;
  --bg-2:#0d1020;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#eef1f8;
  --muted:#9aa3bd;
  --muted-2:#727c98;
  --brand:#4f7cff;
  --brand-2:#22d3ee;
  --accent:#a855f7;
  --up:#34d399;
  --warn:#fbbf24;
  --radius:16px;
  --radius-lg:22px;
  --container:1180px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.3;margin:0;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.container.narrow{max-width:860px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .2s ease;
}
.btn-lg{padding:14px 28px;font-size:15.5px}
.btn-block{width:100%}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),#6f5bff 55%,var(--accent));
  color:#fff;box-shadow:0 10px 28px rgba(79,124,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(79,124,255,.48)}
.btn-outline{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:rgba(120,160,255,.65);background:rgba(79,124,255,.12);transform:translateY(-2px)}
.btn-ghost{color:var(--muted)}
.btn-ghost:hover{color:#fff}

/* ===== 导航 ===== */
.nav{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(8,10,18,.72);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,background .3s ease;
}
.nav.is-scrolled{border-bottom-color:var(--line);background:rgba(8,10,18,.9)}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(79,124,255,.9),rgba(168,85,247,.85));
  color:#fff;box-shadow:0 6px 18px rgba(79,124,255,.4);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;font-weight:700;font-size:17px;line-height:1.25}
.logo-text small{font-weight:500;font-size:10px;letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase}

.nav-links{display:flex;gap:26px;margin-left:8px;flex:1}
.nav-links a{font-size:14.5px;color:var(--muted);transition:color .2s ease;position:relative}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:right .25s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{right:0}
.nav-actions{display:flex;align-items:center;gap:10px}

.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid var(--line);border-radius:11px;
  background:transparent;cursor:pointer;padding:10px 9px;flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;background:var(--text);border-radius:2px;transition:transform .25s,opacity .2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 主视觉 ===== */
.hero{position:relative;padding:76px 0 40px;overflow:hidden}
.hero-glow{
  position:absolute;inset:-30% -10% auto -10%;height:760px;pointer-events:none;
  background:
    radial-gradient(48% 42% at 22% 32%,rgba(79,124,255,.32),transparent 70%),
    radial-gradient(40% 40% at 78% 20%,rgba(168,85,247,.24),transparent 72%),
    radial-gradient(34% 34% at 60% 60%,rgba(34,211,238,.14),transparent 72%);
  filter:blur(6px);
}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 60% at 50% 30%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 30%,#000 30%,transparent 78%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}

.badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 14px 6px 11px;border-radius:999px;
  border:1px solid var(--line-strong);background:var(--surface);
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--up);box-shadow:0 0 0 4px rgba(52,211,153,.18)}

.hero h1{font-size:clamp(34px,4.4vw,56px);font-weight:800;letter-spacing:-.02em}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#7aa2ff,#22d3ee 48%,#c084fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{margin-top:20px;font-size:16.5px;color:var(--muted);max-width:56ch}
.hero-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;font-size:13.5px;color:var(--muted-2)}

/* 仪表盘示意 */
.dash{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(165deg,rgba(24,29,52,.96),rgba(11,14,26,.96));
  box-shadow:var(--shadow);padding:16px;position:relative;
}
.dash::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(130deg,rgba(79,124,255,.14),transparent 45%);
}
.dash-top{display:flex;align-items:center;gap:12px;padding:2px 4px 14px}
.dash-dots{display:flex;gap:6px}
.dash-dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.16)}
.dash-dots i:first-child{background:rgba(251,113,133,.65)}
.dash-dots i:nth-child(2){background:rgba(251,191,36,.65)}
.dash-title{font-size:12.5px;color:var(--muted-2)}

.dash-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.kpi{
  border:1px solid var(--line);border-radius:14px;background:var(--surface);
  padding:12px 13px;display:flex;flex-direction:column;gap:2px;
}
.kpi-label{font-size:12px;color:var(--muted-2)}
.kpi-value{font-size:23px;font-weight:700;letter-spacing:-.02em;line-height:1.2}
.kpi-value small{font-size:13px;font-weight:600;color:var(--muted)}
.kpi-trend{font-size:11.5px}
.kpi-trend.up{color:var(--up)}

.dash-chart{margin-top:12px;border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:14px}
.chart-head{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted-2)}
.chart-legend{display:flex;align-items:center;gap:6px}
.chart-legend i{width:9px;height:9px;border-radius:3px;background:linear-gradient(180deg,#6f9bff,#4f7cff);display:inline-block}
.chart-legend i.alt{background:rgba(255,255,255,.16);margin-left:8px}
.bars{display:flex;align-items:flex-end;justify-content:space-between;gap:8px;height:128px;margin-top:12px}
.bar-group{flex:1;display:flex;align-items:flex-end;justify-content:center;gap:3px;height:100%;position:relative}
.bar-group em{position:absolute;bottom:-20px;font-size:10.5px;font-style:normal;color:var(--muted-2)}
.bar{
  width:9px;border-radius:5px 5px 2px 2px;
  background:linear-gradient(180deg,#7aa2ff,#4f7cff);
  height:var(--h);animation:grow .9s cubic-bezier(.2,.8,.2,1) both;
}
.bar.alt{background:rgba(255,255,255,.13)}
@keyframes grow{from{height:4px;opacity:.2}to{height:var(--h);opacity:1}}

.dash-foot{margin-top:30px;display:grid;gap:8px}
.task{
  display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--muted);
  border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:9px 12px;
}
.task-tag{
  font-size:11px;padding:2px 8px;border-radius:999px;flex-shrink:0;
  background:rgba(79,124,255,.16);color:#9ab6ff;border:1px solid rgba(79,124,255,.28);
}
.task-tag.warn{background:rgba(251,191,36,.14);color:#fcd34d;border-color:rgba(251,191,36,.28)}

/* 信任条 */
.trust{
  position:relative;margin-top:56px;padding:20px 24px;
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.trust-label{font-size:12px;letter-spacing:.14em;color:var(--muted-2)}
.trust-logos{display:flex;gap:30px;flex-wrap:wrap}
.trust-logos span{font-size:15px;font-weight:600;color:rgba(238,241,248,.4);transition:color .25s}
.trust-logos span:hover{color:rgba(238,241,248,.85)}

/* ===== 通用区块 ===== */
.section{padding:96px 0;position:relative}
.section-alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.022),transparent)}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.eyebrow{
  font-size:12.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:#7ea3ff;margin-bottom:14px;
}
.section-head h2{font-size:clamp(25px,3vw,38px);font-weight:800}
.section-sub{margin-top:16px;color:var(--muted);font-size:16px}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pain{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  background:linear-gradient(170deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
  transition:transform .25s ease,border-color .25s ease;
}
.pain:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.pain-num{
  font-size:13px;font-weight:700;color:#7ea3ff;letter-spacing:.06em;
  display:block;margin-bottom:12px;
}
.pain h3{font-size:17px;margin-bottom:8px}
.pain p{font-size:14.5px;color:var(--muted)}

/* 功能卡片 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;
  background:linear-gradient(168deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .3s ease;pointer-events:none;
  background:radial-gradient(80% 60% at 50% 0%,rgba(79,124,255,.16),transparent 70%);
}
.card:hover{transform:translateY(-6px);border-color:rgba(120,160,255,.35);box-shadow:0 20px 44px rgba(0,0,0,.4)}
.card:hover::after{opacity:1}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,rgba(79,124,255,.22),rgba(168,85,247,.18));
  border:1px solid rgba(120,160,255,.28);color:#a9c2ff;
}
.card-icon svg{width:23px;height:23px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card-list{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:grid;gap:7px}
.card-list li{font-size:13.5px;color:var(--muted-2);padding-left:16px;position:relative}
.card-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:rgba(122,162,255,.7)}

/* 场景 tabs */
.scenes{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(170deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
}
.scene-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.scene-tab{
  padding:17px 12px;border:0;background:transparent;color:var(--muted);
  font-family:inherit;font-size:14.5px;font-weight:600;cursor:pointer;position:relative;
  transition:color .2s ease,background .2s ease;
}
.scene-tab+.scene-tab{border-left:1px solid var(--line)}
.scene-tab:hover{color:#fff;background:rgba(255,255,255,.03)}
.scene-tab.is-active{color:#fff;background:rgba(79,124,255,.12)}
.scene-tab.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.scene-panel{display:none;padding:34px 34px 30px}
.scene-panel.is-active{display:block;animation:fade .35s ease both}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.scene-panel h3{font-size:21px;margin-bottom:20px}
.steps-list{counter-reset:s;display:grid;gap:14px}
.steps-list li{counter-increment:s;padding-left:42px;position:relative;color:var(--muted);font-size:15px}
.steps-list li::before{
  content:counter(s);position:absolute;left:0;top:2px;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;font-size:12.5px;font-weight:700;color:#a9c2ff;
  background:rgba(79,124,255,.16);border:1px solid rgba(120,160,255,.3);
}
.steps-list strong{color:var(--text)}
.scene-metric{
  margin-top:24px;padding:13px 16px;border-radius:12px;font-size:14px;color:var(--muted);
  background:rgba(52,211,153,.07);border:1px solid rgba(52,211,153,.2);
}
.scene-metric strong{color:var(--up)}

/* 数据 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  text-align:center;padding:34px 18px;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.01));
}
.stat strong{
  display:block;font-size:clamp(34px,4vw,46px);font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#8fb0ff,#22d3ee);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:8px;font-size:14.5px;color:var(--muted)}

/* 时间线 */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.timeline::before{
  content:"";position:absolute;top:22px;left:9%;right:9%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(120,160,255,.45),rgba(168,85,247,.4),transparent);
}
.tl-item{text-align:center;position:relative;padding:0 8px}
.tl-step{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;
  font-weight:700;font-size:16px;color:#fff;
  background:linear-gradient(140deg,var(--brand),var(--accent));
  box-shadow:0 8px 24px rgba(79,124,255,.35);position:relative;z-index:1;
}
.tl-item h3{font-size:17px;margin-bottom:8px}
.tl-item p{font-size:14.5px;color:var(--muted)}

/* 客户评价 */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{
  margin:0;padding:28px 26px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(168deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  display:flex;flex-direction:column;justify-content:space-between;gap:22px;
}
.quote blockquote{margin:0;font-size:15.5px;color:var(--muted);position:relative;padding-top:26px}
.quote blockquote::before{
  content:"“";position:absolute;top:-6px;left:-4px;font-size:54px;line-height:1;
  color:rgba(120,160,255,.35);font-family:Georgia,serif;
}
.quote figcaption{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  font-weight:700;font-size:15px;color:#fff;
  background:linear-gradient(140deg,rgba(79,124,255,.85),rgba(168,85,247,.8));
}
.quote figcaption span:last-child{display:flex;flex-direction:column;line-height:1.5}
.quote figcaption strong{font-size:14.5px}
.quote figcaption small{font-size:12.5px;color:var(--muted-2)}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.plan{
  position:relative;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;
  background:linear-gradient(168deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
  display:flex;flex-direction:column;gap:14px;
}
.plan.is-featured{
  border-color:rgba(120,160,255,.45);
  background:linear-gradient(168deg,rgba(79,124,255,.14),rgba(168,85,247,.06));
  box-shadow:0 22px 50px rgba(79,124,255,.18);
  transform:translateY(-8px);
}
.plan-tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  font-size:12px;font-weight:600;padding:5px 14px;border-radius:999px;color:#fff;white-space:nowrap;
  background:linear-gradient(135deg,var(--brand),var(--accent));box-shadow:0 6px 18px rgba(79,124,255,.4);
}
.plan h3{font-size:19px}
.plan-price{font-size:38px;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.plan-price span{font-size:20px;font-weight:600;margin-right:2px;color:var(--muted)}
.plan-price small{font-size:14px;font-weight:500;color:var(--muted-2);margin-left:4px}
.plan-desc{font-size:14px;color:var(--muted-2);min-height:44px}
.plan ul{display:grid;gap:10px;margin:4px 0 8px;flex:1}
.plan ul li{font-size:14.5px;color:var(--muted);padding-left:24px;position:relative}
.plan ul li::before{
  content:"✓";position:absolute;left:0;top:0;color:#7aa2ff;font-weight:700;font-size:13px;
}
.price-note{margin-top:26px;text-align:center;font-size:13.5px;color:var(--muted-2)}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-list details{
  border:1px solid var(--line);border-radius:14px;background:var(--surface);
  padding:0 20px;transition:border-color .25s ease,background .25s ease;
}
.faq-list details[open]{border-color:rgba(120,160,255,.35);background:rgba(79,124,255,.07)}
.faq-list summary{
  cursor:pointer;list-style:none;padding:17px 34px 17px 0;font-size:16px;font-weight:600;position:relative;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"";position:absolute;right:4px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-list details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-list p{padding:0 0 18px;color:var(--muted);font-size:15px}

/* 联系 */
.contact-box{
  display:grid;grid-template-columns:1fr 1.05fr;gap:44px;
  border:1px solid var(--line);border-radius:26px;padding:44px;
  background:
    radial-gradient(70% 90% at 0% 0%,rgba(79,124,255,.16),transparent 60%),
    linear-gradient(168deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  box-shadow:var(--shadow);
}
.contact-copy h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.contact-copy p{color:var(--muted);font-size:15.5px}
.contact-info{margin-top:26px;display:grid;gap:12px}
.contact-info li{font-size:15px;color:var(--muted);display:flex;gap:12px;align-items:baseline;flex-wrap:wrap}
.contact-info span{
  font-size:12px;color:#9ab6ff;border:1px solid rgba(120,160,255,.3);
  background:rgba(79,124,255,.12);padding:2px 10px;border-radius:999px;flex-shrink:0;
}
.contact-info a{color:var(--text);border-bottom:1px solid var(--line-strong)}
.contact-info a:hover{color:#9ab6ff}

.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field-full{grid-column:1/-1}
.contact-form label{font-size:13.5px;color:var(--muted)}
.contact-form label i{color:#fb7185;font-style:normal}
.contact-form input,.contact-form select,.contact-form textarea{
  font-family:inherit;font-size:15px;color:var(--text);
  background:rgba(5,7,14,.55);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;resize:vertical;
}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#5c6683}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{
  border-color:rgba(120,160,255,.6);box-shadow:0 0 0 3px rgba(79,124,255,.16);
}
.contact-form input.is-error{border-color:#fb7185;box-shadow:0 0 0 3px rgba(251,113,133,.14)}
.contact-form button{grid-column:1/-1;margin-top:4px}
.form-hint{grid-column:1/-1;font-size:13px;color:var(--muted-2);text-align:center}
.form-hint.is-ok{color:var(--up)}
.form-hint.is-error{color:#fb7185}

/* 页脚 */
.footer{border-top:1px solid var(--line);padding:56px 0 28px;background:rgba(255,255,255,.015)}
.footer-inner{display:grid;grid-template-columns:1.2fr 1.6fr;gap:44px}
.footer-brand .logo-text{font-size:18px;margin-bottom:14px}
.footer-brand p{color:var(--muted-2);font-size:14.5px;max-width:38ch}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-cols h4{font-size:14px;margin-bottom:14px}
.footer-cols a,.footer-cols span{display:block;font-size:14px;color:var(--muted-2);margin-bottom:9px}
.footer-cols a:hover{color:#9ab6ff}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted-2);
}

/* 滚动入场动画 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.8,.2,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .bar{animation:none}
  html{scroll-behavior:auto}
}

/* ===== 响应式 ===== */
@media (max-width:1040px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-ghost{display:none}
  .nav-links.is-open{
    display:flex;flex-direction:column;gap:0;
    position:absolute;top:68px;left:0;right:0;
    background:rgba(10,12,22,.98);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);padding:8px 24px 18px;
  }
  .nav-links.is-open a{padding:13px 0;border-bottom:1px solid var(--line);font-size:15.5px}
  .nav-links.is-open a::after{display:none}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .pain-grid,.stat-grid,.feature-grid,.quote-grid,.price-grid,.timeline{grid-template-columns:repeat(2,1fr)}
  .timeline::before{display:none}
  .plan.is-featured{transform:none}
  .price-grid .plan:last-child{grid-column:1/-1}
  .contact-box{grid-template-columns:1fr;padding:34px}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width:680px){
  .section{padding:68px 0}
  .container{padding:0 18px}
  .hero{padding:52px 0 30px}
  .hero-cta .btn{flex:1;min-width:150px}
  .pain-grid,.stat-grid,.feature-grid,.quote-grid,.price-grid,.timeline{grid-template-columns:1fr}
  .price-grid .plan:last-child{grid-column:auto}
  .dash-kpis{grid-template-columns:1fr}
  .kpi{flex-direction:row;align-items:baseline;justify-content:space-between;gap:8px}
  .scene-tabs{grid-template-columns:repeat(2,1fr)}
  .scene-tab:nth-child(3){border-left:0}
  .scene-tab:nth-child(n+3){border-top:1px solid var(--line)}
  .scene-panel{padding:26px 20px}
  .contact-form{grid-template-columns:1fr}
  .contact-box{padding:26px 20px}
  .footer-cols{grid-template-columns:1fr 1fr}
  .trust{margin-top:38px;gap:14px}
  .trust-logos{gap:18px}
}