:root{
  --bg:#ffffff;
  --bg-2:#f5f8fc;
  --bg-3:#eef3fa;
  --panel:#ffffff;
  --panel-2:#f5f8fc;
  --line:rgba(20,40,80,.08);
  --line-2:rgba(20,40,80,.14);
  --text:#0f1c33;
  --text-2:#45566f;
  --muted:#7a89a3;
  --blue-1:#4a72b0;
  --blue-2:#6b8fc7;
  --blue-3:#3e6299;
  --blue-deep:#2a5290;
  --blue-soft:rgba(107,143,199,.12);
  --gold:#b8945a;
  --gold-2:#c9a96a;
  --gold-bg:rgba(184,148,90,.10);
  --grad:linear-gradient(120deg,#4a72b0 0%,#6b8fc7 55%,#7fb0e8 100%);
  --grad-btn:linear-gradient(135deg,#3e6299 0%,#5a7fb0 100%);
  --radius:16px;
  --shadow-sm:0 6px 20px rgba(20,40,80,.06);
  --shadow:0 14px 44px rgba(20,40,80,.10);
  --shadow-lg:0 24px 60px rgba(20,40,80,.14);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;position:relative;overflow-x:hidden;
}
a{color:inherit;text-decoration:none!important}

/* 鼠标跟随光效 */
.cursor-glow{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(520px circle at var(--mx,50%) var(--my,0%),rgba(107,143,199,.18),rgba(127,176,232,.06) 28%,transparent 46%);
  transition:background .12s ease-out;}
@media (prefers-reduced-motion:reduce){.cursor-glow{display:none}}
.nav,.hero,.section,.footer,.admin-fab{position:relative;z-index:1}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 24px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.25s}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:0 10px 24px rgba(42,82,144,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(42,82,144,.38);filter:brightness(1.08)}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--text-2);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:rgba(107,143,199,.4);color:var(--blue-3);transform:translateY(-2px)}
.btn-lg{padding:14px 32px;font-size:16px}
.btn-block{width:100%}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(14px);background:rgba(255,255,255,.82);box-shadow:0 1px 0 rgba(20,40,80,.04),0 8px 24px rgba(20,40,80,.04)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-logo{height:62px;width:auto;display:block;filter:drop-shadow(0 4px 12px rgba(20,40,80,.10))}
.nav-links{display:flex;gap:24px;font-size:15px;color:var(--text-2);font-weight:500}
.nav-links a{transition:color .2s}
.nav-links a:hover{color:var(--blue-3)}
.nav-cta{padding:10px 22px;font-size:14px}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}

/* Hero */
.hero{position:relative;overflow:hidden;padding:96px 0 100px;background:
  radial-gradient(900px 520px at 12% -5%,rgba(107,143,199,.12),transparent 60%),
  radial-gradient(820px 500px at 92% 18%,rgba(127,176,232,.10),transparent 60%),
  linear-gradient(180deg,#ffffff 0%,#f5f8fc 60%,#eef3fa 100%);}
.hero::before{content:"";position:absolute;inset:0;background-image:
  radial-gradient(rgba(107,143,199,.05) 1px,transparent 1px);
  background-size:30px 30px;mask-image:radial-gradient(circle at 50% 35%,#000,transparent 75%);opacity:.6;pointer-events:none;z-index:0}
/* 动态装饰：旋转轨道 + 浮动粒子 + 网络连线 */
.hero-deco{position:absolute;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.hero-orbits-wrap{position:absolute;right:-12%;top:50%;transform:translateY(-50%);width:640px;height:640px;opacity:.6}
.hero-orbits-spin{width:100%;height:100%;animation:spin 90s linear infinite}
.hero-particles{position:absolute;inset:0;width:100%;height:100%}
.p{position:absolute;width:9px;height:9px;border-radius:50%;background:rgba(107,143,199,.55);box-shadow:0 0 12px rgba(127,176,232,.65);transform-origin:center;animation:floaty 7s ease-in-out infinite}
.p.g{background:rgba(184,148,90,.62);box-shadow:0 0 12px rgba(201,169,106,.55)}
.p.s{width:6px;height:6px;opacity:.7}
.p2{animation-duration:8s;animation-delay:1.2s}
.p3{animation-duration:9s;animation-delay:2.4s}
.p4{animation-duration:7.5s;animation-delay:3.6s}
.p5{animation-duration:8.5s;animation-delay:4.8s}
.p6{animation-duration:10s;animation-delay:.8s}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-22px)}}
@media (prefers-reduced-motion:reduce){.hero-orbits-spin{animation:none}.p{animation:none}}

.hero-inner{position:relative;text-align:center;max-width:880px;margin:0 auto;z-index:1}
.hero-logo{display:block;margin:0 auto 32px;height:auto;width:300px;max-width:80%;filter:drop-shadow(0 12px 28px rgba(20,40,80,.12))}
.hero-title{font-size:48px;line-height:1.2;font-weight:900;letter-spacing:.5px;color:var(--text)}
.hero-title .accent{background:linear-gradient(120deg,#3e6299,#6b8fc7 55%,#4a72b0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:22px auto 32px;font-size:18px;color:var(--text-2);max-width:720px}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,1fr);gap:18px;max-width:920px;margin:54px auto 0}
.hero-stat{position:relative;background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:16px;padding:22px 26px;box-shadow:var(--shadow-sm);backdrop-filter:blur(6px);transition:.25s;overflow:hidden;display:flex;flex-direction:column;justify-content:center;min-height:150px}
.hero-stat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.hero-stat b{display:block;font-size:22px;font-weight:900;background:linear-gradient(120deg,#3e6299,#6b8fc7);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;letter-spacing:.3px}
.hero-stat span{display:block;margin-top:10px;font-size:13px;color:var(--muted);line-height:1.5}

/* Section */
.section{padding:82px 0;position:relative;overflow:hidden}
.section-alt{background:linear-gradient(180deg,#f5f8fc,#ffffff)}
.section-head{text-align:center;max-width:760px;margin:0 auto 48px}
.section-head h2{font-size:32px;font-weight:900;margin-bottom:12px;color:var(--text);letter-spacing:.5px}
/* 不再使用横线，改用左侧装饰小色块 */
.section-head h2::before{content:"";display:block;width:36px;height:4px;border-radius:4px;background:var(--grad);margin:0 auto 16px}
.section-head p{color:var(--text-2);font-size:16px}

/* 各 section 装饰小元素（替代横线，增加设计感） */
.section .deco-shape{position:absolute;pointer-events:none;opacity:.5}
.deco-circle-tl{top:60px;left:40px;width:90px;height:90px;border:1px dashed rgba(107,143,199,.25);border-radius:50%}
.deco-dot-br{bottom:80px;right:60px;width:10px;height:10px;background:rgba(107,143,199,.35);border-radius:50%;box-shadow:0 0 0 10px rgba(107,143,199,.10),0 0 0 20px rgba(107,143,199,.05)}
.deco-plus{top:50%;left:8%;width:18px;height:18px;color:rgba(107,143,199,.3)}
.deco-plus::before,.deco-plus::after{content:"";position:absolute;background:currentColor;border-radius:1px}
.deco-plus::before{left:50%;top:0;width:2px;height:100%;transform:translateX(-50%)}
.deco-plus::after{top:50%;left:0;width:100%;height:2px;transform:translateY(-50%)}
.deco-ring{bottom:10%;right:8%;width:60px;height:60px;border:2px solid rgba(107,143,199,.2);border-top-color:rgba(107,143,199,.5);border-radius:50%;animation:spinSlow 60s linear infinite}
@keyframes spinSlow{to{transform:rotate(360deg)}}

/* Grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.card::before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;background:var(--grad);border-radius:0 3px 3px 0}
.card:hover{transform:translateY(-4px);border-color:rgba(107,143,199,.35);box-shadow:var(--shadow-lg)}
.card .icon{font-size:30px;margin-bottom:12px;display:block}
.card h3{font-size:19px;margin-bottom:8px;color:var(--text)}
.card p{color:var(--text-2);font-size:15px}
.card .metric{margin-top:14px;display:inline-block;font-size:13px;font-weight:700;color:var(--gold-2);background:var(--gold-bg);padding:4px 12px;border-radius:999px}

.market{margin-top:50px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.market::before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;background:var(--grad);border-radius:0 3px 3px 0}
.market h3{font-size:20px;margin-bottom:20px;text-align:center;color:var(--text)}
.market .card{padding:20px}
.market .card b{background:linear-gradient(120deg,#3e6299,#6b8fc7);-webkit-background-clip:text;background-clip:text;color:transparent}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow-sm)}
.compare-table{width:100%;border-collapse:collapse;min-width:680px}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;font-size:15px;border-bottom:1px solid rgba(20,40,80,.04);vertical-align:top;color:var(--text-2)}
.compare-table thead th{background:var(--panel-2);font-size:16px;color:var(--text);font-weight:700}
.compare-table thead th.geo{color:var(--blue-3)}
.compare-table tbody th{color:var(--blue-3);font-weight:700;width:120px}
.compare-table tbody tr:last-child td,.compare-table tbody tr:last-child th{border-bottom:none}
.compare-table td.geo-col{background:var(--blue-soft)}

.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;box-shadow:var(--shadow-sm);transition:.25s;overflow:hidden}
.step::before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;background:var(--grad);border-radius:0 3px 3px 0}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(107,143,199,.35)}
.step .num{position:absolute;top:-16px;left:22px;width:38px;height:38px;border-radius:50%;background:var(--grad-btn);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 6px 16px rgba(42,82,144,.3)}
.step h3{margin:14px 0 8px;font-size:18px;color:var(--text)}
.step p{color:var(--text-2);font-size:14px}

.section-contact{background:linear-gradient(180deg,#ffffff,#f5f8fc)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.contact-info{display:grid;gap:14px}
.contact-row{display:flex;gap:14px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.contact-row::before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;background:var(--grad);border-radius:0 3px 3px 0}
.contact-row .k{font-size:20px;min-width:28px;color:var(--blue-3)}
.contact-row .v b{display:block;color:var(--blue-3);font-size:14px;margin-bottom:2px;font-weight:700}
.contact-row .v span{font-size:15px;color:var(--text-2)}
.contact-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:grid;gap:14px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.contact-form::before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;background:var(--grad);border-radius:0 3px 3px 0}
.contact-form input,.contact-form textarea{width:100%;background:#fbfcfe;border:1px solid var(--line-2);border-radius:10px;padding:12px 14px;color:var(--text);font-size:15px;font-family:inherit;resize:vertical;transition:border-color .2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:rgba(107,143,199,.5);background:#fff}
.form-tip{font-size:12px;color:var(--muted)}

/* 页脚（去掉上方横线） */
.footer{padding:54px 0 28px;background:var(--bg-2)}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.footer-brand .brand-logo{height:54px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:10px;max-width:360px}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;align-items:center;color:var(--text-2);font-size:15px;font-weight:500}
.footer-links a{transition:color .2s}
.footer-links a:hover{color:var(--blue-3)}
.footer-bottom{margin-top:28px;padding-top:18px;text-align:center;color:var(--muted);font-size:13px}

.admin-fab{position:fixed;right:20px;bottom:20px;width:48px;height:48px;border-radius:50%;background:var(--grad-btn);color:#fff;display:grid;place-items:center;font-size:22px;z-index:60;box-shadow:var(--shadow);transition:.2s}
.admin-fab:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .grid-3,.timeline{grid-template-columns:1fr 1fr}
  .grid-2,.contact-grid{grid-template-columns:1fr}
  .hero-orbits-wrap{width:440px;height:440px;right:-30%}
}
@media(max-width:680px){
  .nav-links{display:none;position:absolute;top:84px;left:0;right:0;flex-direction:column;background:rgba(255,255,255,.96);padding:16px 22px;gap:14px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-cta{display:none}
  .nav-toggle{display:block}
  .brand-logo{height:50px}
  .hero{padding:60px 0}
  .hero-title{font-size:30px}
  .hero-sub{font-size:16px}
  .section{padding:58px 0}
  .section-head h2{font-size:26px}
  .grid-3,.timeline,.hero-stats{grid-template-columns:1fr}
  .hero-orbits-wrap{width:320px;height:320px;right:-40%;opacity:.4}
}