/* =========================================================
   云创引擎 GEO AI 排名优化 · 官网样式
   ========================================================= */

:root{
  --ink:#050C1A;
  --ink-2:#0A1424;
  --ink-3:#101E33;
  --text:#0F1B2D;
  --muted:#5B6B84;
  --muted-2:#8A99AF;
  --line:#E4EAF3;
  --line-2:#EEF2F8;
  --bg:#F6F8FC;
  --white:#fff;
  --brand:#2F6BFF;
  --brand-d:#1E52D8;
  --sky:#40AAE2;
  --cyan:#22D3EE;
  --ok:#12B76A;
  --gold:#FFB020;
  --radius:16px;
  --shadow-sm:0 2px 8px rgba(12,28,54,.05);
  --shadow:0 10px 30px rgba(12,28,54,.08);
  --shadow-lg:0 24px 60px rgba(8,22,45,.14);
  --max:1240px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%;}
body{
  margin:0;font-family:var(--font);color:var(--text);background:var(--white);
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 28px;}

/* ================= 通用组件 ================= */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px rgba(47,107,255,.12);}
.eyebrow.light{color:#7FB4FF;}
.eyebrow.light .dot{box-shadow:0 0 0 4px rgba(127,180,255,.16);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .2s ease,border-color .2s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#3D77FF,#2456E0);
  color:#fff;box-shadow:0 8px 22px rgba(47,107,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(47,107,255,.42);}
.btn-ghost{
  color:#DDE7F7;border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.04);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.42);color:#fff;}
.btn-line{color:var(--text);border:1px solid var(--line);background:#fff;}
.btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-lg{height:54px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}

.sec{padding:104px 0;position:relative;}
.sec-head{max-width:760px;margin-bottom:56px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{font-size:clamp(28px,3.2vw,40px);line-height:1.28;letter-spacing:-.02em;}
.sec-sub{margin-top:18px;color:var(--muted);font-size:16.5px;line-height:1.82;}
.sec-head.light h2{color:#fff;}
.sec-head.light .sec-sub{color:#9FB2CC;}
.grad{
  background:linear-gradient(100deg,#7FB4FF 0%,#22D3EE 55%,#8AE9FF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ================= Header ================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:80px;display:flex;align-items:center;
  background:transparent;
  transition:background .3s ease,box-shadow .3s ease,height .3s ease,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  height:70px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid var(--line-2);box-shadow:0 4px 24px rgba(12,28,54,.06);
}
.header-inner{display:flex;align-items:center;gap:32px;}

.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,#1B3A6B,#0C1B33);
  border:1px solid rgba(120,180,255,.28);
  display:grid;place-items:center;box-shadow:0 4px 14px rgba(10,30,60,.18);
}
.logo-mark svg{width:30px;height:30px;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-size:18px;letter-spacing:.04em;color:#fff;font-weight:700;}
.logo-text em{font-size:10.5px;font-style:normal;letter-spacing:.14em;color:#8FA8C8;text-transform:uppercase;margin-top:2px;}
.scrolled .logo-text strong{color:var(--text);}
.scrolled .logo-text em{color:var(--muted-2);}
.scrolled .logo-mark{background:linear-gradient(140deg,#1C3B6E,#0B1A31);}

.nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav a{
  position:relative;padding:9px 13px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:#C7D6EC;
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav a.active{color:#fff;}
.nav a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#40AAE2,#22D3EE);
}
.scrolled .nav a{color:#43536B;}
.scrolled .nav a:hover{color:var(--brand);background:#F1F5FC;}
.scrolled .nav a.active{color:var(--brand);}

.header-right{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.header-phone{display:flex;flex-direction:column;line-height:1.2;text-align:right;}
.ph-label{font-size:11px;color:#89A0BE;letter-spacing:.05em;}
.header-phone strong{font-size:16px;color:#fff;font-weight:700;letter-spacing:.02em;}
.scrolled .ph-label{color:var(--muted-2);}
.scrolled .header-phone strong{color:var(--text);}
.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;padding:0 8px;}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:.25s;}
.scrolled .nav-toggle span{background:var(--text);}

/* ================= HERO ================= */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:150px 0 0;
}
.hero-bg{position:absolute;inset:0;overflow:hidden;}
.grid-lines{
  position:absolute;inset:-10% -10% 0;
  background-image:linear-gradient(rgba(120,170,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,170,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 75% 60% at 50% 20%,#000 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 75% 60% at 50% 20%,#000 20%,transparent 75%);
}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;}
.glow-1{width:620px;height:620px;background:rgba(47,107,255,.55);top:-220px;left:-140px;}
.glow-2{width:520px;height:520px;background:rgba(34,211,238,.28);top:40px;right:-160px;}
.glow-3{width:700px;height:420px;background:rgba(18,52,120,.6);bottom:-260px;left:30%;}

.hero-inner{
  position:relative;display:grid;grid-template-columns:1.06fr .94fr;
  gap:60px;align-items:center;padding-bottom:64px;
}
.hero-copy{max-width:620px;}
.hero h1{
  font-size:clamp(34px,4.3vw,58px);line-height:1.2;letter-spacing:-.025em;
  margin-bottom:22px;color:#fff;font-weight:800;
}
.hero-sub{color:#A9BCD6;font-size:16.5px;line-height:1.85;max-width:560px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;}
.hero-tags span{
  font-size:12.5px;padding:6px 12px;border-radius:999px;
  border:1px solid rgba(140,180,255,.24);color:#BBD0EC;background:rgba(255,255,255,.035);
}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:48px;padding-top:30px;border-top:1px solid rgba(255,255,255,.1);
}
.hero-stats > div{padding-right:16px;}
.hero-stats strong{
  display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#fff,#9CC6FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stats strong em{font-style:normal;font-size:15px;margin-left:2px;}
.hero-stats span{display:block;font-size:12.5px;color:#8FA6C4;margin-top:4px;}

/* 对话卡 */
.hero-visual{position:relative;}
.chat-card{
  background:#fff;border-radius:18px;overflow:hidden;
  box-shadow:0 40px 90px rgba(2,10,26,.55),0 0 0 1px rgba(255,255,255,.06);
  transform:perspective(1200px) rotateY(-1.2deg);
}
.chat-top{display:flex;align-items:center;gap:14px;padding:12px 16px;background:#F7F9FD;border-bottom:1px solid #E8EFF8;}
.chat-dots{display:flex;gap:5px;flex-shrink:0;}
.chat-dots i{width:8px;height:8px;border-radius:50%;background:#D8E2F0;}
.chat-dots i:first-child{background:#F0A9A9;}
.chat-dots i:nth-child(2){background:#F4D08A;}
.chat-dots i:nth-child(3){background:#A9DCB9;}
.chat-tabs{display:flex;gap:4px;overflow:auto;scrollbar-width:none;}
.chat-tabs::-webkit-scrollbar{display:none;}
.ct{
  font-size:12.5px;padding:5px 11px;border-radius:7px;color:#6C7C96;white-space:nowrap;
  transition:.2s;
}
.ct:hover{background:#E9F0FA;color:#2F4A6E;}
.ct.active{background:#0F1B2D;color:#fff;font-weight:600;}

.chat-body{padding:20px 20px 6px;}
.chat-q{display:flex;gap:10px;align-items:flex-start;margin-bottom:18px;}
.avatar{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;
  display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;
}
.avatar.user{background:#EEF2F9;color:#5B6B84;}
.avatar.ai{background:linear-gradient(140deg,#1FA9D8,#1F5EE0);font-size:13px;}
.chat-q p{
  background:#F2F6FC;border-radius:2px 12px 12px 12px;padding:9px 14px;
  font-size:13.5px;color:#243448;line-height:1.6;
}
.chat-a{display:flex;gap:10px;align-items:flex-start;}
.answer{font-size:13.2px;color:#2C3B50;line-height:1.78;}
.answer p{margin-bottom:9px;}
.answer .hl{
  color:#0B3FA8;background:linear-gradient(180deg,transparent 62%,rgba(47,107,255,.18) 62%);
  font-weight:700;
}
.answer ul{display:flex;flex-direction:column;gap:6px;margin:0 0 12px;}
.answer li{position:relative;padding-left:14px;}
.answer li::before{
  content:"";position:absolute;left:2px;top:9px;width:5px;height:5px;border-radius:50%;
  background:#40AAE2;
}
.answer li b{color:#12233B;}
.cite{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding-top:10px;border-top:1px dashed #E1E9F4;
}
.cite-label{font-size:11px;color:#93A2B8;letter-spacing:.04em;}
.cite a{
  font-size:11.5px;color:#2F6BFF;padding:2px 7px;border-radius:5px;background:#EFF4FF;
  text-decoration:none;
}
.cite-ok{font-size:10.5px;color:#0F9E61;background:#E6F8EF;padding:2px 7px;border-radius:5px;margin-left:auto;}

.chat-foot{
  display:flex;gap:10px;padding:12px 20px;background:#F7F9FD;border-top:1px solid #E8EFF8;
}
.foot-pill{display:flex;align-items:center;gap:6px;font-size:11.5px;color:#4D5F79;}
.foot-pill i.ok{width:6px;height:6px;border-radius:50%;background:#12B76A;box-shadow:0 0 0 3px rgba(18,183,106,.14);}

.float-card{
  position:absolute;background:rgba(255,255,255,.96);border-radius:12px;
  padding:10px 14px;box-shadow:0 16px 40px rgba(2,10,26,.4);
  display:flex;flex-direction:column;gap:2px;backdrop-filter:blur(6px);
  animation:floaty 5s ease-in-out infinite;
}
.fc-1{left:-30px;bottom:56px;animation-delay:.4s;}
.fc-2{right:-16px;top:-22px;animation-delay:1.6s;}
.fc-k{font-size:10.5px;color:#8B9AB1;letter-spacing:.04em;}
.float-card strong{font-size:12.5px;color:#132641;}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

.hero-marquee{
  position:relative;border-top:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.015);overflow:hidden;padding:16px 0;
}
.marquee-track{
  display:flex;align-items:center;gap:34px;width:max-content;
  animation:marq 34s linear infinite;
}
.marquee-track span{font-size:14px;color:#6E86A8;letter-spacing:.06em;white-space:nowrap;}
.marquee-track i{width:4px;height:4px;border-radius:50%;background:#2C4364;}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ================= 痛点 / 迁移 ================= */
.sec-pain{background:#fff;}
.shift-grid{display:grid;grid-template-columns:1fr 90px 1fr;align-items:stretch;gap:0;margin-bottom:64px;}
.shift-card{
  border-radius:var(--radius);padding:34px 34px 30px;border:1px solid var(--line);
  background:#fff;position:relative;
}
.shift-card.old{background:#FAFBFD;}
.shift-card.new{
  background:linear-gradient(160deg,#0B1B33,#0A2A5E);border-color:transparent;
  box-shadow:0 20px 50px rgba(8,24,54,.22);color:#fff;
}
.shift-tag{
  display:inline-block;font-size:11.5px;letter-spacing:.14em;font-weight:700;
  padding:3px 10px;border-radius:5px;background:#EEF3FA;color:#7C8CA5;margin-bottom:16px;
}
.shift-card.new .shift-tag{background:rgba(120,180,255,.14);color:#8FC0FF;}
.shift-card h3{font-size:22px;margin-bottom:18px;}
.shift-card.new h3{color:#fff;}
.shift-card ul{display:flex;flex-direction:column;gap:12px;}
.shift-card li{position:relative;padding-left:20px;font-size:15px;color:#4E5E77;}
.shift-card li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:#CBD8E9;
}
.shift-card.new li{color:#B6C9E2;}
.shift-card.new li::before{background:#22D3EE;}
.shift-arrow{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#B9C8DC;}
.shift-arrow svg{width:44px;}
.shift-arrow span{font-size:11px;letter-spacing:.16em;color:#A9B8CC;}

.pain-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.pain-item{
  padding:30px 26px;border-radius:14px;background:var(--bg);
  border:1px solid #EDF1F8;transition:.24s;
}
.pain-item:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-3px);border-color:#DCE6F5;}
.pain-num{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;
  color:#C3D0E2;margin-bottom:10px;
}
.pain-item h4{font-size:18px;margin-bottom:10px;}
.pain-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ================= 什么是 GEO ================= */
.sec-what{background:linear-gradient(180deg,#050C1A,#0A1729 60%,#0B1A30);color:#fff;overflow:hidden;}
.what-glow{
  position:absolute;width:800px;height:600px;right:-300px;top:-100px;
  background:radial-gradient(circle,rgba(47,107,255,.22),transparent 68%);filter:blur(40px);
}
.what-head{display:grid;grid-template-columns:1fr 1.15fr;gap:50px;align-items:end;margin-bottom:56px;position:relative;}
.what-head h2{font-size:clamp(28px,3.2vw,42px);color:#fff;line-height:1.26;}
.what-lead{color:#A7BAD4;font-size:16px;line-height:1.88;padding-bottom:4px;}
.what-lead b{color:#fff;font-weight:600;}

.what-three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;}
.wt-card{
  padding:32px 28px;border-radius:16px;
  background:rgba(255,255,255,.035);border:1px solid rgba(140,180,255,.14);
  transition:.26s;
}
.wt-card:hover{background:rgba(255,255,255,.06);border-color:rgba(140,180,255,.3);transform:translateY(-4px);}
.wt-ic{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,211,238,.16),rgba(47,107,255,.16));
  border:1px solid rgba(140,180,255,.2);color:#7FD8F0;margin-bottom:18px;
}
.wt-ic svg{width:22px;height:22px;}
.wt-card h3{font-size:19px;color:#fff;margin-bottom:12px;}
.wt-card h3 span{
  display:block;font-size:10.5px;letter-spacing:.14em;color:#5E7CA0;
  font-weight:600;margin-top:4px;text-transform:uppercase;
}
.wt-card p{font-size:14.3px;color:#9DB2CD;line-height:1.82;}

.compare-wrap{
  margin-top:60px;position:relative;border-radius:16px;overflow:hidden;
  border:1px solid rgba(140,180,255,.16);
  background:rgba(255,255,255,.03);
}
.compare{width:100%;border-collapse:collapse;font-size:14.6px;}
.compare thead th{
  text-align:left;padding:18px 22px;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:#8FA6C4;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(140,180,255,.14);
}
.compare thead th.c-geo{color:#9EE6F7;}
.compare tbody td{
  padding:16px 22px;color:#B7C8DF;border-bottom:1px solid rgba(140,180,255,.09);
}
.compare tbody tr:last-child td{border-bottom:0;}
.compare tbody tr:hover td{background:rgba(255,255,255,.025);}
.compare td.c-fea{color:#fff;font-weight:600;width:20%;}
.compare td.c-geo{color:#DCEBFF;background:rgba(47,107,255,.07);}
.compare tbody tr:hover td.c-geo{background:rgba(47,107,255,.11);}
.compare-note{
  margin-top:18px;font-size:13.5px;color:#7E93AE;text-align:center;
}

/* ================= 平台覆盖 ================= */
.sec-platform{background:var(--ink-2);color:#fff;position:relative;}
.sec-platform::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 45% at 50% 0%,rgba(47,107,255,.16),transparent 70%);
  pointer-events:none;
}
.platform-main{
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;
  padding:38px 40px;border-radius:20px;
  background:linear-gradient(140deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  border:1px solid rgba(140,180,255,.18);margin-bottom:26px;
  position:relative;
}
.pm-badge{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.1em;
  color:#8AE9FF;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.28);
  padding:4px 11px;border-radius:6px;margin-bottom:14px;
}
.pm-info h3{font-size:28px;color:#fff;margin-bottom:14px;}
.pm-info h3 span{font-size:14px;color:#6E88A8;font-weight:500;letter-spacing:.06em;margin-left:8px;}
.pm-info > p{font-size:15px;color:#A7BAD4;line-height:1.88;max-width:640px;}
.pm-list{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px;}
.pm-list li{
  position:relative;padding-left:20px;font-size:14.2px;color:#C3D4E9;
}
.pm-list li::before{
  content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;
  background:#22D3EE;box-shadow:0 0 0 3px rgba(34,211,238,.14);
}
.pm-visual{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;}
.pm-ring{position:relative;width:190px;height:190px;}
.pm-ring svg{width:100%;height:100%;}
.pm-ring-txt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;}
.pm-ring-txt strong{font-size:24px;color:#fff;letter-spacing:.02em;}
.pm-ring-txt span{font-size:11.5px;color:#8FA6C4;letter-spacing:.08em;}
.pm-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;}
.pm-tags span{font-size:11px;padding:3px 9px;border-radius:5px;background:rgba(255,255,255,.06);color:#93AAC8;}

.plat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative;}
.plat{
  padding:22px 22px 20px;border-radius:13px;
  background:rgba(255,255,255,.03);border:1px solid rgba(140,180,255,.12);
  transition:.24s;
}
.plat:hover{background:rgba(255,255,255,.06);border-color:rgba(140,180,255,.28);transform:translateY(-3px);}
.plat-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px;}
.plat-name{font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em;}
.plat-role{
  font-size:10.5px;color:#7FB4FF;background:rgba(47,107,255,.14);
  padding:2px 7px;border-radius:4px;white-space:nowrap;
}
.plat p{font-size:13.2px;line-height:1.75;color:#93A9C6;}

.platform-note{
  display:flex;align-items:center;gap:10px;margin-top:26px;
  font-size:13.5px;color:#8AA1BE;justify-content:center;
}
.platform-note svg{flex-shrink:0;color:#5E7CA0;}

/* ================= 六大能力 ================= */
.sec-ability{background:var(--bg);}
.ab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.ab-card{
  background:#fff;border-radius:18px;padding:32px 30px;
  border:1px solid #E8EEF7;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;transition:.26s;position:relative;overflow:hidden;
}
.ab-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:linear-gradient(90deg,#2F6BFF,#22D3EE);transition:width .4s ease;
}
.ab-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D9E5F7;}
.ab-card:hover::before{width:100%;}
.ab-head{position:relative;}
.ab-idx{
  position:absolute;right:0;top:-4px;font-size:34px;font-weight:800;
  color:#EEF3FA;letter-spacing:-.03em;line-height:1;
}
.ab-ic{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#EAF1FF,#DDEBFF);color:#2F6BFF;margin-bottom:18px;
}
.ab-ic svg{width:23px;height:23px;}
.ab-card h3{font-size:19.5px;margin-bottom:10px;}
.ab-lead{font-size:14.2px;color:var(--muted);line-height:1.78;margin-bottom:16px;}
.ab-list{display:flex;flex-direction:column;gap:10px;margin-bottom:18px;}
.ab-list li{
  position:relative;padding-left:16px;font-size:13.6px;color:#4C5D75;line-height:1.72;
}
.ab-list li::before{
  content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:2px;
  background:#C7D8EF;
}
.ab-list li b{color:#152740;font-weight:700;}
.ab-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed #E6EDF7;
  font-size:12px;color:#8A99AF;letter-spacing:.02em;
}
.ab-featured{
  background:linear-gradient(165deg,#08182D,#0A2A5A);
  border-color:transparent;color:#fff;
}
.ab-featured::before{width:38%;}
.ab-featured .ab-idx{color:rgba(255,255,255,.07);}
.ab-featured .ab-ic{background:rgba(255,255,255,.09);color:#8AE9FF;border:1px solid rgba(140,180,255,.18);}
.ab-featured h3{color:#fff;}
.ab-featured .ab-lead{color:#A6BAD6;}
.ab-featured .ab-list li{color:#BFD2E9;}
.ab-featured .ab-list li b{color:#fff;}
.ab-featured .ab-list li::before{background:#22D3EE;}
.ab-featured .ab-foot{color:#7E96B4;border-color:rgba(255,255,255,.1);}

/* ================= 客户收益 ================= */
.sec-benefit{background:#fff;}
.ben-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);}
.ben{
  padding:36px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:.24s;position:relative;background:#fff;
}
.ben:hover{background:#F8FAFE;}
.ben-ic{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:#F0F5FF;color:#2F6BFF;margin-bottom:18px;transition:.24s;
}
.ben:hover .ben-ic{background:linear-gradient(140deg,#2F6BFF,#22A6E0);color:#fff;}
.ben-ic svg{width:21px;height:21px;}
.ben h3{font-size:17.5px;margin-bottom:10px;}
.ben p{font-size:14.2px;color:var(--muted);line-height:1.8;}

/* ================= 流程 ================= */
.sec-process{background:var(--bg);}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step{
  position:relative;background:#fff;border-radius:16px;padding:30px 28px 26px;
  border:1px solid #E9EFF8;box-shadow:var(--shadow-sm);transition:.26s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D7E3F6;}
.step-dot{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,#0F2A52,#0B1B33);color:#fff;
  margin-bottom:18px;box-shadow:0 8px 20px rgba(11,27,51,.18);
}
.step:nth-child(4) .step-dot,
.step:nth-child(5) .step-dot,
.step:nth-child(6) .step-dot{background:linear-gradient(140deg,#2F6BFF,#1E52D8);}
.step-dot span{font-size:15px;font-weight:800;letter-spacing:.02em;}
.step h3{font-size:18px;margin-bottom:6px;}
.step-time{
  display:inline-block;font-size:11.5px;color:#2F6BFF;background:#EFF4FF;
  padding:2px 8px;border-radius:5px;margin-bottom:12px;
}
.step p{font-size:14px;color:var(--muted);line-height:1.8;}
.step-out{
  margin-top:16px;padding-top:13px;border-top:1px dashed #E6EDF7;
  font-size:12px;color:#8A99AF;
}
.step-out::before{content:"▸ ";color:#B9C8DC;}

/* ================= 效果 / 月报 ================= */
.sec-report{background:linear-gradient(170deg,#071122,#0A1A30 55%,#081524);color:#fff;}
.report-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:start;}
.report-copy h2{font-size:clamp(26px,2.9vw,38px);color:#fff;line-height:1.3;margin-bottom:18px;}
.report-lead{color:#A6BAD6;font-size:15.5px;line-height:1.88;margin-bottom:28px;}
.metric-list{display:flex;flex-direction:column;gap:0;margin-bottom:32px;}
.metric{padding:16px 0;border-top:1px solid rgba(140,180,255,.13);}
.metric:last-child{border-bottom:1px solid rgba(140,180,255,.13);}
.m-k{
  display:inline-block;font-size:14px;font-weight:700;color:#8AE9FF;margin-bottom:6px;
  letter-spacing:.02em;
}
.metric p{font-size:13.8px;color:#93A9C6;line-height:1.75;}

.report-visual{display:flex;flex-direction:column;gap:18px;}
.dash{
  background:rgba(255,255,255,.05);border:1px solid rgba(140,180,255,.18);
  border-radius:18px;padding:24px;backdrop-filter:blur(10px);
}
.dash-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:18px;}
.dash-k{display:block;font-size:11.5px;color:#7E96B4;letter-spacing:.06em;margin-bottom:3px;}
.dash-head strong{font-size:17px;color:#fff;font-weight:700;}
.dash-badge{font-size:11px;color:#7FE3B4;background:rgba(18,183,106,.14);padding:3px 9px;border-radius:5px;}
.dash-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px;}
.dc{
  background:rgba(255,255,255,.04);border:1px solid rgba(140,180,255,.1);
  border-radius:10px;padding:12px 13px;
}
.dc span{display:block;font-size:11px;color:#7E96B4;}
.dc strong{display:block;font-size:21px;color:#fff;font-weight:800;letter-spacing:-.01em;margin:2px 0;}
.dc em{font-style:normal;font-size:10.5px;color:#22D3EE;}
.chart-title{font-size:12px;color:#8FA6C4;margin-bottom:12px;}
.bars{display:flex;flex-direction:column;gap:9px;}
.bar-row{display:grid;grid-template-columns:64px 1fr 42px;align-items:center;gap:10px;}
.bar-row span{font-size:11.5px;color:#A6BAD6;}
.bar{height:6px;border-radius:4px;background:rgba(255,255,255,.08);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,#2F6BFF,#22D3EE);}
.bar-row em{font-style:normal;font-size:10.5px;color:#6E88A8;text-align:right;}
.dash-foot{display:flex;gap:18px;margin-top:18px;padding-top:14px;border-top:1px solid rgba(140,180,255,.12);}
.df-item{display:flex;align-items:center;gap:6px;font-size:11.5px;color:#9DB2CD;}
.df-item i.ok{width:6px;height:6px;border-radius:50%;background:#12B76A;}

.report-toc{
  background:rgba(255,255,255,.03);border:1px solid rgba(140,180,255,.14);
  border-radius:14px;padding:22px 24px;
}
.toc-title{display:block;font-size:12px;letter-spacing:.12em;color:#7FB4FF;margin-bottom:14px;font-weight:700;}
.report-toc ol{counter-reset:toc;}
.report-toc li{
  counter-increment:toc;position:relative;padding:7px 0 7px 30px;
  font-size:13.2px;color:#A6BAD6;border-bottom:1px dashed rgba(140,180,255,.1);
}
.report-toc li:last-child{border-bottom:0;}
.report-toc li::before{
  content:counter(toc,decimal-leading-zero);position:absolute;left:0;top:8px;
  font-size:11px;color:#5C7EA8;font-weight:700;
}

/* ================= 行业 ================= */
.sec-industry{background:#fff;}
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.ind{
  padding:26px 24px;border-radius:13px;background:#F8FAFD;
  border:1px solid #EDF2FA;transition:.24s;
}
.ind:hover{background:#fff;border-color:#D8E5F8;box-shadow:var(--shadow);transform:translateY(-3px);}
.ind h4{font-size:16px;margin-bottom:8px;color:#11243C;}
.ind p{font-size:13.4px;color:var(--muted);line-height:1.75;}

/* ================= 方案 ================= */
.sec-plan{background:linear-gradient(180deg,#F6F8FC,#EEF3FB);}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.plan{
  background:#fff;border-radius:18px;padding:34px 30px;border:1px solid #E5ECF7;
  display:flex;flex-direction:column;position:relative;transition:.26s;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.plan-name{font-size:22px;font-weight:800;letter-spacing:-.01em;margin-bottom:6px;}
.plan-for{font-size:12.8px;color:#8494AC;margin-bottom:22px;line-height:1.6;}
.plan ul{display:flex;flex-direction:column;gap:11px;margin-bottom:26px;flex:1;}
.plan li{
  position:relative;padding-left:22px;font-size:14px;color:#465871;line-height:1.6;
}
.plan li::before{
  content:"";position:absolute;left:0;top:6px;width:13px;height:8px;
  border-left:2px solid #12B76A;border-bottom:2px solid #12B76A;
  transform:rotate(-45deg);border-radius:1px;
}
.plan li b{color:#0B3FA8;}
.plan-hot{
  background:linear-gradient(170deg,#0A1B33,#0C2C60);border-color:transparent;
  box-shadow:0 24px 60px rgba(10,32,68,.28);transform:translateY(-8px);
}
.plan-hot:hover{transform:translateY(-12px);}
.plan-hot .plan-name{color:#fff;}
.plan-hot .plan-for{color:#8FA6C4;}
.plan-hot li{color:#C4D5EA;}
.plan-hot li b{color:#8AE9FF;}
.plan-hot li::before{border-color:#22D3EE;}
.plan-flag{
  position:absolute;top:-13px;left:30px;font-size:11.5px;font-weight:700;
  color:#062033;background:linear-gradient(100deg,#7FE3FF,#22D3EE);
  padding:4px 12px;border-radius:6px;letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(34,211,238,.34);
}
.plan-note{
  margin-top:30px;padding:18px 24px;border-radius:12px;
  background:#fff;border:1px dashed #D8E3F3;font-size:13.5px;color:#5B6B84;line-height:1.8;
}
.plan-note b{color:#12233B;}

/* ================= FAQ ================= */
.sec-faq{background:#fff;}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px;align-items:start;}
.faq-left h2{font-size:clamp(26px,2.8vw,36px);margin-bottom:16px;}
.faq-left p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.faq-left a{color:var(--brand);font-weight:700;border-bottom:1px solid rgba(47,107,255,.3);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;text-align:left;font-size:15.5px;font-weight:600;color:#12233B;
  line-height:1.6;transition:color .2s;
}
.faq-q:hover{color:var(--brand);}
.faq-ic{position:relative;width:18px;height:18px;flex-shrink:0;}
.faq-ic::before,.faq-ic::after{
  content:"";position:absolute;background:#9AABC2;border-radius:2px;transition:.26s;
}
.faq-ic::before{left:0;top:8px;width:18px;height:2px;}
.faq-ic::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-ic::after{transform:rotate(90deg);opacity:0;}
.faq-item.open .faq-ic::before{background:var(--brand);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .34s ease,opacity .3s;
  opacity:0;
}
.faq-item.open .faq-a{max-height:620px;opacity:1;}
.faq-a p{
  padding:0 40px 22px 0;font-size:14.3px;color:var(--muted);line-height:1.85;
}

/* ================= 联系 ================= */
.sec-contact{background:var(--ink);color:#fff;overflow:hidden;}
.contact-bg{position:absolute;inset:0;}
.glow-c1{width:640px;height:640px;background:rgba(47,107,255,.4);top:-200px;left:-160px;}
.glow-c2{width:480px;height:480px;background:rgba(34,211,238,.2);bottom:-200px;right:-120px;}
.contact-inner{position:relative;display:grid;grid-template-columns:1fr 480px;gap:70px;align-items:start;}
.contact-copy h2{font-size:clamp(28px,3.2vw,42px);color:#fff;line-height:1.28;margin-bottom:20px;}
.contact-copy > p{color:#A6BAD6;font-size:15.5px;line-height:1.9;max-width:520px;}
.contact-info{
  display:grid;grid-template-columns:1fr 1fr;gap:24px 30px;margin-top:44px;
  padding-top:34px;border-top:1px solid rgba(140,180,255,.16);max-width:560px;
}
.ci-k{display:block;font-size:11.5px;color:#7189A8;letter-spacing:.1em;margin-bottom:5px;}
.ci strong,.ci a{font-size:16px;color:#fff;font-weight:600;}
.ci a:hover{color:#8AE9FF;}
.ci:nth-child(3){grid-column:1 / -1;}
.ci:nth-child(3) strong{font-size:17px;}

.contact-form{
  background:#fff;border-radius:18px;padding:32px 30px;color:var(--text);
  box-shadow:0 30px 80px rgba(2,10,26,.45);
}
.cf-title{font-size:20px;font-weight:800;margin-bottom:6px;}
.cf-sub{font-size:12.8px;color:#8595AB;line-height:1.7;margin-bottom:22px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:block;margin-bottom:14px;}
.field > span{
  display:block;font-size:12.5px;color:#5B6B84;margin-bottom:6px;font-weight:500;
}
.field > span i{color:#E5484D;font-style:normal;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid #E2E9F4;border-radius:9px;
  background:#FAFBFE;color:#12233B;outline:none;transition:.2s;line-height:1.5;
}
.field textarea{resize:vertical;min-height:82px;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#8FB4FF;background:#fff;box-shadow:0 0 0 3px rgba(47,107,255,.1);
}
.field input.err,.field textarea.err{border-color:#F1999C;background:#FFF7F7;}
.field input::placeholder,.field textarea::placeholder{color:#AFBCCE;}
.contact-form .btn{margin-top:6px;}
.cf-tip{margin-top:12px;font-size:11.5px;color:#9AA8BC;text-align:center;}
.form-ok{
  display:none;margin-top:14px;padding:12px 14px;border-radius:9px;
  background:#E9F9F1;border:1px solid #BFEBD5;color:#0E7C4C;font-size:13px;line-height:1.7;
}
.form-ok.show{display:block;}
.form-err{
  display:none;margin-top:10px;padding:12px 14px;border-radius:9px;
  background:#FFF4F4;border:1px solid #F6C9CB;color:#B42318;font-size:13px;line-height:1.7;
}
.form-err.show{display:block;}
.form-err a{color:#B42318;font-weight:700;text-decoration:underline;}
/* 蜜罐字段：真人看不见，机器人会填 */
.contact-form input.hp{
  position:absolute;left:-9999px;top:0;width:1px;height:1px;opacity:0;pointer-events:none;
}
.btn[disabled]{opacity:.7;cursor:not-allowed;transform:none!important;}

/* ================= Footer ================= */
.site-footer{background:#040A14;color:#8FA6C4;padding:64px 0 0;}
.foot-top{
  display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:48px;border-bottom:1px solid rgba(140,180,255,.1);
}
.foot-logo{margin-bottom:18px;}
.foot-logo .logo-text strong{color:#fff;font-size:17px;}
.foot-logo .logo-text em{color:#6E88A8;}
.foot-brand p{font-size:13.4px;line-height:1.85;color:#7E93AE;max-width:380px;}
.foot-phone{
  display:inline-block;margin-top:18px;font-size:18px;font-weight:700;color:#fff;
  letter-spacing:.02em;
}
.foot-phone:hover{color:#8AE9FF;}
.foot-col h5{font-size:13px;color:#fff;letter-spacing:.06em;margin-bottom:16px;font-weight:700;}
.foot-col a{
  display:block;font-size:13.2px;color:#7E93AE;padding:5px 0;transition:.2s;
}
.foot-col a:hover{color:#8AE9FF;transform:translateX(2px);}
.foot-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;
  padding:22px 28px 26px;font-size:12px;color:#5E7391;
}
.foot-bottom p:first-child{color:#7E93AE;}
.foot-bottom a{color:#5E7391;}
.foot-bottom a:hover{color:#8AE9FF;}

/* ================= 移动操作条 ================= */
.mobile-bar{display:none;}

/* ================= 动效 ================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .68s cubic-bezier(.2,.7,.3,1),transform .68s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}
.d1{transition-delay:.07s}.d2{transition-delay:.14s}.d3{transition-delay:.21s}
.d4{transition-delay:.28s}.d5{transition-delay:.35s}.d6{transition-delay:.42s}

/* ================= 响应式 ================= */
@media (max-width:1180px){
  .nav a{padding:8px 9px;font-size:14px;}
  .header-phone{display:none;}
  .plat-grid{grid-template-columns:repeat(2,1fr);}
  .ind-grid{grid-template-columns:repeat(2,1fr);}
  .hero-inner{gap:40px;}
  .fc-1{left:-10px;}
}
@media (max-width:1024px){
  .sec{padding:80px 0;}
  .nav{
    position:fixed;top:80px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 24px;
    box-shadow:0 20px 40px rgba(10,25,50,.12);
    transform:translateY(-120%);transition:transform .3s ease;
    max-height:calc(100vh - 70px);overflow:auto;
  }
  .nav.open{transform:translateY(0);}
  .site-header.scrolled .nav{top:70px;}
  .nav a{color:#33455E;padding:13px 4px;border-bottom:1px solid #F0F4FA;font-size:15px;}
  .nav a.active::after{display:none;}
  .nav-toggle{display:flex;}
  .header-right .btn{display:none;}
  .header-inner{justify-content:space-between;}
  .nav{margin-left:0;}

  .hero{padding-top:118px;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-copy{max-width:100%;}
  .hero-visual{max-width:560px;width:100%;}
  .chat-card{transform:none;}
  .fc-1{left:-6px;bottom:-18px;}
  .fc-2{right:-6px;top:-16px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px 0;}

  .shift-grid{grid-template-columns:1fr;}
  .shift-arrow{flex-direction:row;gap:10px;padding:14px 0;}
  .shift-arrow svg{transform:rotate(90deg);width:34px;}
  .pain-row{grid-template-columns:1fr;}

  .what-head{grid-template-columns:1fr;gap:24px;align-items:start;}
  .what-three{grid-template-columns:1fr;}
  .compare-wrap{overflow-x:auto;}
  .compare{min-width:640px;}

  .platform-main{grid-template-columns:1fr;padding:30px 26px;}
  .pm-visual{flex-direction:row;justify-content:flex-start;gap:26px;}
  .pm-ring{width:140px;height:140px;}
  .pm-list{grid-template-columns:1fr;}

  .ab-grid{grid-template-columns:1fr 1fr;}
  .ben-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .report-grid{grid-template-columns:1fr;gap:44px;}
  .plan-grid{grid-template-columns:1fr;gap:26px;}
  .plan-hot{transform:none;}
  .plan-hot:hover{transform:translateY(-4px);}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .contact-inner{grid-template-columns:1fr;gap:44px;}
  .contact-form{max-width:560px;}
  .foot-top{grid-template-columns:1fr 1fr;gap:32px;}
  .foot-brand{grid-column:1 / -1;}
}
@media (max-width:720px){
  .container{padding:0 18px;}
  .sec{padding:64px 0;}
  .sec-head{margin-bottom:38px;}
  .sec-sub{font-size:15px;}
  .hero{padding-top:104px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-stats strong{font-size:25px;}
  .hero-stats span{font-size:11.5px;}
  .chat-body{padding:16px 14px 4px;}
  .chat-top{padding:10px 12px;}
  .answer{font-size:12.6px;}
  .float-card{display:none;}
  .hero-marquee{padding:12px 0;}

  .shift-card{padding:26px 22px;}
  .pain-item{padding:24px 22px;}
  .compare thead th,.compare tbody td{padding:13px 16px;font-size:13.4px;}

  .platform-main{padding:24px 20px;}
  .pm-info h3{font-size:23px;}
  .pm-visual{flex-direction:column;align-items:center;}
  .plat-grid{grid-template-columns:1fr;}
  .platform-note{text-align:left;justify-content:flex-start;font-size:12.5px;}

  .ab-grid{grid-template-columns:1fr;}
  .ab-card{padding:26px 22px;}
  .ben-grid{grid-template-columns:1fr;}
  .ben{padding:28px 22px;}
  .steps{grid-template-columns:1fr;}
  .ind-grid{grid-template-columns:1fr;}
  .plan{padding:28px 22px;}
  .plan-note{font-size:12.8px;padding:16px 18px;}
  .faq-q{font-size:14.5px;padding:17px 0;}
  .faq-a p{padding-right:10px;font-size:13.6px;}

  .contact-form{padding:24px 20px;}
  .field-row{grid-template-columns:1fr;}
  .contact-info{grid-template-columns:1fr;gap:18px;}
  .contact-copy h2{font-size:27px;}

  .foot-top{grid-template-columns:1fr;gap:28px;padding-bottom:34px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:6px;font-size:11.5px;}
  .site-footer{padding-top:48px;}

  .mobile-bar{
    display:flex;position:fixed;bottom:0;left:0;right:0;z-index:90;
    background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
    border-top:1px solid #E4EAF3;padding:8px 12px calc(8px + env(safe-area-inset-bottom));
    gap:10px;box-shadow:0 -6px 24px rgba(10,25,50,.08);
  }
  .mb-call{
    display:flex;align-items:center;justify-content:center;gap:6px;
    width:112px;height:44px;border-radius:9px;border:1px solid #DCE6F5;
    font-size:14px;color:#2F4A6E;font-weight:600;flex-shrink:0;
  }
  .mb-cta{
    flex:1;display:flex;align-items:center;justify-content:center;
    height:44px;border-radius:9px;font-size:15px;font-weight:600;color:#fff;
    background:linear-gradient(135deg,#3D77FF,#2456E0);
    box-shadow:0 6px 18px rgba(47,107,255,.3);
  }
  body{padding-bottom:64px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}