:root{
  --navy:#0d2b4e;
  --navy-2:#103a66;
  --navy-3:#1b4f86;
  --gold:#c9a24b;
  --gold-soft:#e3c986;
  --teal:#1ab5c4;
  --ink:#1f2a37;
  --muted:#5b6b7e;
  --bg:#f5f7fa;
  --line:#e4e9f0;
  --white:#fff;
  --radius:16px;
  --shadow:0 12px 32px rgba(13,43,78,.10);
  --shadow-sm:0 6px 18px rgba(13,43,78,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:0 auto}
section{padding:74px 0}
.eyebrow{display:inline-block;color:var(--gold);font-weight:700;letter-spacing:.18em;font-size:13px;margin-bottom:14px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:11px;color:var(--gold-soft);font-size:14px;letter-spacing:.22em;margin-bottom:16px}
.hero .eyebrow::before{content:"";width:32px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gold),rgba(201,162,75,0))}
h1,h2,h3,h4{line-height:1.25}
h2.title{font-size:clamp(26px,3.4vw,38px);color:var(--navy);font-weight:800;letter-spacing:.02em}
.subtitle{color:var(--muted);margin-top:14px;font-size:16px;max-width:680px}
.center{text-align:center}
.center .subtitle{margin-left:auto;margin-right:auto}
.bg-white{background:var(--white)}
.bg-soft{background:var(--bg)}

/* REVEAL 滚动渐显（渐进增强：仅 JS 运行时生效，无 JS 时内容正常显示） */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .hero-bg,.hero-bg::after,.hero-orb,.hero-inner>*{animation:none!important}
  .hero-inner>*{opacity:1;transform:none}
}

/* NAV */
header.nav{position:sticky;top:0;z-index:50;background:rgba(13,43,78,.96);backdrop-filter:blur(8px);color:#fff}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;letter-spacing:.02em}
.brand img{height:38px;width:auto;display:block}
@media(max-width:560px){.brand img{height:32px}}
.nav-links{display:flex;gap:26px;font-size:15px}
.nav-links a{color:#dbe5f1;opacity:.9;transition:.2s;position:relative;padding:4px 0}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--gold)}
.nav-links a:not(.active)::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:.25s}
.nav-links a:not(.active):hover::after{width:100%}
.nav-cta{background:var(--gold);color:var(--navy);font-weight:700;padding:9px 18px;border-radius:10px;font-size:14px;white-space:nowrap;transition:.2s}
.nav-cta:hover{background:var(--gold-soft)}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer}

/* HERO */
.hero{position:relative;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:
    radial-gradient(1200px 600px at 15% -10%,rgba(26,181,196,.35),transparent 60%),
    radial-gradient(900px 500px at 100% 0%,rgba(201,162,75,.28),transparent 55%),
    linear-gradient(135deg,#0a2540,#103a66 55%,#1b4f86);
  animation:heroDrift 22s ease-in-out infinite;will-change:transform}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:46px 46px;opacity:.5;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);animation:gridShift 9s linear infinite}
/* 漂浮柔光斑——让首屏背景“活”起来（不抢内容） */
.hero-orb{position:absolute;border-radius:50%;filter:blur(46px);opacity:.55;pointer-events:none;will-change:transform}
.hero-orb.o1{width:440px;height:440px;left:6%;top:10%;background:radial-gradient(circle,rgba(201,162,75,.6),transparent 70%);animation:orbFloat1 17s ease-in-out infinite}
.hero-orb.o2{width:380px;height:380px;right:4%;top:6%;background:radial-gradient(circle,rgba(26,181,196,.55),transparent 70%);animation:orbFloat2 21s ease-in-out infinite}
.hero-orb.o3{width:280px;height:280px;right:24%;bottom:4%;background:radial-gradient(circle,rgba(201,162,75,.45),transparent 70%);animation:orbFloat3 25s ease-in-out infinite}
/* 科技感粒子星链（canvas 绘制） */
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}
@keyframes heroDrift{0%,100%{transform:scale(1.06) translate(0,0)}50%{transform:scale(1.1) translate(-14px,-12px)}}
@keyframes gridShift{0%{background-position:0 0}100%{background-position:46px 46px}}
@keyframes orbFloat1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(34px,-26px) scale(1.1)}}
@keyframes orbFloat2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-30px,22px) scale(1.08)}}
@keyframes orbFloat3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(20px,-30px) scale(1.12)}}
/* 首屏文案入场淡入上移 */
.hero-inner>*{animation:heroIn 1s ease both}
.hero-inner>*:nth-child(1){animation-delay:.05s}
.hero-inner>*:nth-child(2){animation-delay:.18s}
.hero-inner>*:nth-child(3){animation-delay:.31s}
.hero-inner>*:nth-child(4){animation-delay:.44s}
.hero-inner>*:nth-child(5){animation-delay:.57s}
@keyframes heroIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
.hero-inner{position:relative;padding:80px 0 68px;display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.hero h1{font-size:clamp(30px,4.6vw,54px);font-weight:900;line-height:1.15}
.hero h1 .accent{color:var(--gold-soft)}
.hero .lead{font-size:clamp(16px,1.7vw,20px);max-width:620px;color:#e8eef6}
.hero-tags{display:flex;gap:12px;flex-wrap:wrap}
.hero-tags span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:7px 15px;border-radius:999px;font-size:14px;color:#eaf1f8}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:6px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:12px;font-weight:700;font-size:15px;transition:.2s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--gold);color:var(--navy)}
.btn-primary:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-line{background:var(--white);color:var(--navy);border:1px solid var(--line)}
.btn-line:hover{border-color:var(--gold);color:var(--navy-2)}
.stats{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px;width:100%}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:22px 20px;backdrop-filter:blur(4px)}
.stat .num{font-size:clamp(30px,4vw,42px);font-weight:900;color:var(--gold-soft);line-height:1}
.stat .num small{font-size:18px;font-weight:700;margin-left:4px}
.stat .lab{margin-top:8px;color:#dfe8f2;font-size:14px}

/* section heads */
.sec-head{margin-bottom:42px}

/* CARDS */
.cards{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold-soft)}
.card .ic{width:50px;height:50px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy-2),var(--navy-3));color:var(--gold-soft);margin-bottom:18px;font-size:24px}
.card h3{font-size:19px;color:var(--navy);margin-bottom:10px;font-weight:800}
.card p{color:var(--muted);font-size:15px}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:start}
.about-text p{color:var(--muted);font-size:16px;margin-bottom:16px}
.about-text strong{color:var(--navy)}
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--gold),var(--teal))}
.tl-item{position:relative;padding:0 0 24px 8px}
.tl-item::before{content:"";position:absolute;left:-26px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--white);border:4px solid var(--gold)}
.tl-year{font-weight:800;color:var(--navy);font-size:16px}
.tl-desc{color:var(--muted);font-size:15px;margin-top:2px}

/* VISION panels */
.vision-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.panel.dark{background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;border:0}
.panel h3{color:var(--navy);font-size:20px;font-weight:800;margin-bottom:14px}
.panel .big{font-size:23px;font-weight:900;color:var(--navy);line-height:1.35;margin-bottom:12px}
.panel.dark p{color:#dbe5f1}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chips span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:7px 14px;border-radius:999px;font-size:14px}
.pill-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px}
.pill{flex:1;min-width:200px;background:var(--bg);border-radius:12px;padding:16px}
.pill b{display:block;color:var(--navy);font-size:15px;margin-bottom:4px}
.pill span{color:var(--muted);font-size:14px}

/* BUSINESS */
.biz-intro{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:8px}
.biz-block{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.biz-block::before{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(26,181,196,.18),transparent 70%)}
.biz-tag{display:inline-block;background:var(--navy);color:#fff;font-size:13px;font-weight:700;padding:5px 12px;border-radius:8px;margin-bottom:14px}
.biz-block h3{font-size:22px;color:var(--navy);font-weight:900;margin-bottom:10px}
.biz-block .def{color:var(--muted);font-size:15px;margin-bottom:18px}
.feature-list{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.feature-list li{background:var(--bg);border-radius:999px;padding:8px 15px;font-size:14px;color:var(--navy-2);font-weight:600}
.feature-list li::before{content:"✓ ";color:var(--teal);font-weight:900}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:30px 0 36px}
.step{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px}
.step .no{width:34px;height:34px;border-radius:50%;background:var(--gold);color:var(--navy);font-weight:900;display:grid;place-items:center;margin-bottom:12px}
.step h4{color:var(--navy);font-size:16px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14px}
.banks{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.bank{display:flex;align-items:center;gap:9px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:12px 18px;font-weight:700;color:var(--navy-2);box-shadow:var(--shadow-sm)}
.bank .dot{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:#fff;font-weight:900;font-size:14px}
.bank.more{color:var(--muted);border-style:dashed}
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.scene{background:var(--bg);border-radius:14px;padding:22px;border-left:4px solid var(--teal)}
.scene h4{color:var(--navy);font-size:16px;margin-bottom:6px}
.scene p{color:var(--muted);font-size:14px}
.block-title{color:var(--navy);font-size:20px;font-weight:800;margin:8px 0 6px}
.divider{height:1px;background:var(--line);margin:46px 0}

/* CASES */
.case{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s;display:flex;flex-direction:column}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.case-top{padding:24px 26px;color:#fff;background:linear-gradient(135deg,var(--navy),var(--navy-3))}
.case-top .ind{font-size:13px;letter-spacing:.1em;color:var(--gold-soft);font-weight:700}
.case-top h3{font-size:21px;margin-top:4px}
.case-body{padding:24px 26px;display:flex;flex-direction:column;gap:16px;flex:1}
.case-body .blk h5{font-size:13px;color:var(--gold);font-weight:800;letter-spacing:.06em;margin-bottom:8px}
.case-body .portrait{color:var(--muted);font-size:14px}
.case-body ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.case-body .pain li{color:#b05a3c;font-size:14px}
.case-body .sol li{color:var(--muted);font-size:14px}
.case-body .sol li b{color:var(--navy)}
.result{background:var(--bg);border-radius:12px;padding:14px 16px}
.result .r{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.result .r:last-child{margin-bottom:0}
.result .r b{color:var(--teal);font-size:18px;font-weight:900}
.result .r span{color:var(--muted);font-size:13px}

/* UPGRADE */
.up-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.up-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm);position:relative}
.up-card .badge{position:absolute;top:24px;right:24px;font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px}
.badge.on{background:rgba(26,181,196,.14);color:var(--teal)}
.badge.ing{background:rgba(201,162,75,.16);color:var(--gold)}
.up-card h3{font-size:21px;color:var(--navy);font-weight:900;margin-bottom:8px}
.up-card .desc{color:var(--muted);font-size:15px;margin-bottom:18px}
.func{display:flex;flex-wrap:wrap;gap:10px}
.func span{background:var(--bg);border-radius:10px;padding:9px 14px;font-size:14px;color:var(--navy-2);font-weight:600}
.roadmap{margin-top:22px;border-top:1px dashed var(--line);padding-top:18px}
.roadmap .ph{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:14px}
.roadmap .ph .dot{width:10px;height:10px;border-radius:50%;background:var(--gold);flex-shrink:0}
.roadmap .ph .dot.done{background:var(--teal)}
.roadmap .ph .dot.now{background:var(--gold)}
.roadmap .ph span{color:var(--muted)}
.roadmap .ph b{color:var(--navy)}

/* PLAN */
.plan{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:42px}
.plan-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);position:relative}
.plan-card .ph{font-size:13px;color:var(--gold);font-weight:800;letter-spacing:.08em}
.plan-card h3{font-size:20px;color:var(--navy);margin:8px 0 6px}
.plan-card .goal{color:var(--teal);font-weight:700;font-size:15px;margin-bottom:4px}
.plan-card .prog{color:var(--muted);font-size:14px;margin-bottom:12px}
.bar{height:8px;border-radius:999px;background:var(--bg);overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--teal))}
.blueprint{background:linear-gradient(135deg,var(--navy),var(--navy-3));border-radius:var(--radius);padding:38px;color:#fff;box-shadow:var(--shadow)}
.blueprint h3{font-size:24px;font-weight:900;margin-bottom:22px}
.bp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.bp-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:20px}
.bp-item h4{color:var(--gold-soft);font-size:16px;margin-bottom:8px;font-weight:800}
.bp-item p{color:#dbe5f1;font-size:14px}

/* CTA strip */
.cta-strip{background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;text-align:center;border-radius:var(--radius);padding:46px 30px;box-shadow:var(--shadow)}
.cta-strip h2{font-size:clamp(22px,3vw,32px);font-weight:900;margin-bottom:12px}
.cta-strip p{color:#dbe5f1;margin-bottom:22px;font-size:16px}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:46px;align-items:center}
.info-list{list-style:none;display:flex;flex-direction:column;gap:18px;margin-top:10px}
.info-list li{display:flex;gap:14px;align-items:flex-start}
.info-list .ic{width:42px;height:42px;border-radius:11px;background:rgba(13,43,78,.06);display:grid;place-items:center;color:var(--navy);flex-shrink:0;font-size:20px}
.info-list b{display:block;font-size:15px;color:var(--navy)}
.info-list span{color:var(--muted);font-size:14px}
.contact-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);text-align:center}
.contact-card .qr{width:130px;height:130px;border-radius:14px;background:#fff;border:1px solid var(--line);margin:0 auto 14px;display:grid;place-items:center;color:var(--navy);font-size:13px;text-align:center;font-weight:700}
.contact-card p{color:var(--muted);font-size:14px}
.form{padding:34px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.form h3{color:var(--navy);font-size:20px;margin-bottom:18px;font-weight:800}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--navy);margin-bottom:6px;font-weight:600}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:14px;font-family:inherit;color:var(--ink);background:var(--bg)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff}
.field textarea{resize:vertical;min-height:96px}
.form .note{font-size:13px;color:var(--muted);margin-top:10px}

/* FOOTER */
footer.foot{background:#081e36;color:#9fb2c7;padding:30px 0;font-size:14px}
.foot .compliance{margin-top:14px;padding-top:14px;border-top:1px solid rgba(159,178,199,.18);font-size:12.5px;line-height:1.75;color:#7e93a8;max-width:900px}
.risk-note{margin-top:28px;padding:15px 18px;border-left:4px solid var(--gold);background:rgba(201,162,75,.08);border-radius:0 12px 12px 0;color:#5b6b7e;font-size:13.5px;line-height:1.7}
.note-inline{margin-top:10px;font-size:13px;color:var(--muted)}
.foot-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.foot .beian{width:100%;margin-top:14px;padding-top:12px;border-top:1px solid rgba(159,178,199,.18);font-size:13px;display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.foot .beian a{color:#bcd0e6;text-decoration:none}
.foot .beian a:hover{color:var(--gold-soft);text-decoration:underline}

/* responsive */
@media(max-width:980px){
  .about-grid,.vision-grid,.biz-intro,.up-grid,.contact-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .scenes,.plan,.bp-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .menu-btn{display:block}
  .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--navy);padding:18px 6vw;gap:16px}
}
@media(max-width:560px){
  section{padding:56px 0}
  .grid-2,.grid-3,.grid-4,.scenes,.plan,.bp-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .stat{padding:13px 6px;border-radius:12px}
  .stat .num{font-size:clamp(19px,6.6vw,27px)}
  .stat .num small{font-size:12px;margin-left:2px}
  .stat .lab{font-size:11px;margin-top:5px}
  .hero-inner{padding:56px 0 48px}
  .hero .eyebrow{font-size:12.5px;letter-spacing:.16em;gap:9px}.hero .eyebrow::before{width:24px}
  .biz-block,.up-card,.plan-card,.case-body,.form{padding:24px}
}