*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#1f2733;line-height:1.7;background:#fff}
a{color:#2f6bff;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.topbar{background:#0f1b2d;color:#fff;padding:14px 0}
.topbar .logo{color:#fff;font-weight:700;font-size:20px;margin-right:14px}
.topbar .slogan{color:#9fb3d1;font-size:13px}
.hero{background:linear-gradient(135deg,#1e3a8a,#2f6bff);color:#fff;padding:64px 0;text-align:center}
.hero h1{font-size:40px;margin-bottom:12px}
.hero .sub{font-size:18px;opacity:.95;margin-bottom:16px}
.hero .lead{max-width:680px;margin:0 auto 26px;opacity:.9}
.cta{display:inline-block;background:#ffd23f;color:#1a1a1a;font-weight:700;padding:14px 32px;border-radius:30px}
.block{padding:56px 0}
.block.alt{background:#f5f8ff}
h2{font-size:28px;text-align:center;margin-bottom:32px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{position:relative;overflow:hidden;background:#fff;border:1px solid #e6ecf5;border-radius:14px;padding:22px;box-shadow:0 4px 16px rgba(20,40,80,.05);transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s cubic-bezier(.2,.7,.3,1),border-color .28s ease}
.card h3{color:#1e3a8a;margin-bottom:8px;font-size:18px;transition:color .2s}
.card p{color:#54607a;font-size:15px}
.card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(30,58,138,.14);border-color:#2f6bff}
.card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;border-radius:14px 14px 0 0;background:linear-gradient(90deg,#2f6bff,#5fb0ff);opacity:0;transform:scaleX(0);transform-origin:left;transition:opacity .28s ease,transform .28s ease}
.card:hover::after{opacity:1;transform:scaleX(1)}
.card:hover h3{color:#2f6bff}
.process{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;counter-reset:p}
.process li{position:relative;background:#fff;border:1px solid #e6ecf5;border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:4px;transition:transform .26s cubic-bezier(.2,.7,.3,1),box-shadow .26s ease,border-color .26s ease,background .26s ease}
.process .num{color:#2f6bff;font-weight:700;font-size:20px}
.process b{color:#1e3a8a}.process em{color:#54607a;font-style:normal;font-size:14px}
.process li:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(30,58,138,.12);border-color:#2f6bff;background:linear-gradient(180deg,#fff,#f3f7ff)}
.process .num{transition:transform .26s cubic-bezier(.2,.7,.3,1),color .2s ease}
.process li:hover .num{transform:scale(1.18);color:#1e3a8a}
.tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.tags span{background:#eaf0ff;color:#1e3a8a;padding:8px 16px;border-radius:20px;font-size:14px;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease}
.tags span:hover{background:linear-gradient(135deg,#2f6bff,#5fb0ff);color:#fff;transform:translateY(-4px);box-shadow:0 10px 22px rgba(47,107,255,.35)}
@media(prefers-reduced-motion:reduce){
  .card,.process li,.tags span,.card::after,.process .num{transition:none!important}
  .card:hover,.process li:hover,.tags span:hover{transform:none!important}
}
.note{text-align:center;color:#54607a;margin-top:20px}
.faq .qa{border-bottom:1px solid #e6ecf5;padding:18px 0}
.faq .qa h3{color:#1e3a8a;font-size:17px;margin-bottom:6px}
.faq .qa p{color:#54607a}
.contact{background:#0f1b2d;color:#fff;text-align:center}
.contact a{color:#ffd23f}
.contact .lead{opacity:.9;margin:10px 0 22px}
.form{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:640px;margin:0 auto}
.form input{flex:1 1 180px;padding:12px 16px;border-radius:10px;border:none;font-size:15px}
.form button{background:#ffd23f;color:#1a1a1a;border:none;font-weight:700;padding:12px 28px;border-radius:10px;cursor:pointer}
.foot{background:#0a1422;color:#9fb3d1;padding:40px 0;font-size:14px}
.foot h3{color:#fff;font-size:15px;margin:18px 0 10px}
.foot .links a{display:inline-block;margin:0 10px 8px 0;color:#9fb3d1}
.foot .copy{margin-top:18px;color:#5f7392}
.provs{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.prov h3{color:#1e3a8a;font-size:16px;margin-bottom:8px}
.prov a{display:inline-block;margin:0 8px 6px 0;font-size:13px;color:#2f6bff}
@media(max-width:640px){.hero h1{font-size:30px}.hero{padding:44px 0}h2{font-size:23px}}

/* ===== Nav (landing style) ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(15,27,45,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:19px}
.nav .brand .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#2f6bff,#5fb0ff);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;box-shadow:0 4px 12px rgba(47,107,255,.5)}
.nav .menu{display:flex;gap:26px;font-size:14px}
.nav .menu a{color:#cdd9ee;transition:color .2s}
.nav .menu a:hover{color:#fff}
.nav .nav-cta{background:#ffd23f;color:#1a1a1a;font-weight:700;padding:9px 20px;border-radius:24px;font-size:14px;transition:transform .15s,box-shadow .2s}
.nav .nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,210,63,.4)}
@media(max-width:780px){.nav .menu{display:none}}

/* ===== Hero (landing style) ===== */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:48px 48px;opacity:.5;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);-webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%)}
.hero::after{content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:680px;height:480px;background:radial-gradient(circle,rgba(95,176,255,.45),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero .eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:#bfe0ff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);padding:7px 18px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:44px;line-height:1.18;font-weight:800;letter-spacing:-.5px;margin-bottom:16px}
.hero h1 .hl{color:#ffd23f}
.hero .platforms{margin-top:26px;font-size:14px;color:#cfe0ff;letter-spacing:1px}
@media(max-width:640px){.hero{padding:44px 0}.hero h1{font-size:30px}}

/* ===== Contact (landing style) ===== */
.contact{background:linear-gradient(135deg,#1e3a8a,#2f6bff);}

/* ===== Floating WeChat ===== */
.fab-stack{position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;align-items:center;gap:16px}
.wx-fab{position:relative;width:56px;height:56px;border-radius:50%;background:#07C160;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 24px rgba(7,193,96,.45);transition:transform .2s,box-shadow .2s;}
.wx-fab:hover{transform:scale(1.05);box-shadow:0 12px 30px rgba(7,193,96,.6);}
.wx-fab svg{width:30px;height:30px;}
.tel-fab{position:relative;width:56px;height:56px;border-radius:50%;background:#07C160;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 24px rgba(7,193,96,.45);transition:transform .2s,box-shadow .2s;text-decoration:none}
.tel-fab:hover{transform:scale(1.05);box-shadow:0 12px 30px rgba(7,193,96,.6)}
.tel-fab svg{width:28px;height:28px;fill:#fff}
.tel-pop{position:absolute;right:66px;top:50%;transform:translateY(-50%) scale(.92);transform-origin:right center;white-space:nowrap;background:#fff;color:#1f2733;font-size:14px;font-weight:600;padding:8px 14px;border-radius:10px;box-shadow:0 8px 24px rgba(20,40,80,.18);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease}
.tel-pop::after{content:"";position:absolute;right:-6px;top:50%;transform:translateY(-50%);border:6px solid transparent;border-left-color:#fff}
.tel-fab:hover .tel-pop{opacity:1;transform:translateY(-50%) scale(1)}
.wx-fab .pulse,.tel-fab .pulse{position:absolute;inset:0;border-radius:50%;background:#07C160;opacity:.5;animation:wxpulse 2.4s infinite;}
@keyframes wxpulse{0%{transform:scale(1);opacity:.5}70%{transform:scale(1.7);opacity:0}100%{opacity:0}}
.wx-modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;background:rgba(8,14,26,.62);backdrop-filter:blur(4px);}
.wx-modal.show{display:flex;}
.wx-card{background:#fff;border-radius:18px;padding:28px 26px 24px;width:300px;text-align:center;box-shadow:0 30px 70px rgba(0,0,0,.35);position:relative;animation:wxpop .22s ease;}
@keyframes wxpop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}
.wx-card h3{color:#07C160;font-size:18px;margin-bottom:4px;}
.wx-card p{color:#54607a;font-size:13px;margin-bottom:16px;}
.wx-card .qr{width:200px;height:200px;margin:14px auto 4px;background:#fff;border:1px solid #eef0f3;border-radius:12px;padding:12px;box-sizing:border-box;}
.wx-card .qr img{width:100%;height:100%;display:block;object-fit:contain;border-radius:6px;}
.wx-close{position:absolute;top:12px;right:14px;width:28px;height:28px;border-radius:50%;border:none;background:#f0f2f5;color:#54607a;font-size:18px;cursor:pointer;line-height:1;}
.wx-close:hover{background:#e4e7ec;}


/* ===== City selector modal (portal only) ===== */
.city-modal{position:fixed;inset:0;z-index:130;display:none;align-items:flex-start;justify-content:center;background:rgba(8,14,26,.62);backdrop-filter:blur(4px);overflow:auto;padding:48px 16px}
.city-modal.show{display:flex}
.city-card{background:#fff;border-radius:18px;width:760px;max-width:100%;padding:30px 28px 28px;position:relative;box-shadow:0 30px 70px rgba(0,0,0,.35);animation:wxpop .22s ease;margin:auto}
.city-card h3{color:#1e3a8a;font-size:20px;margin-bottom:6px}
.city-card .city-sub{color:#54607a;font-size:13px;margin-bottom:16px}
.city-close{position:absolute;top:14px;right:16px;width:30px;height:30px;border-radius:50%;border:none;background:#f0f2f5;color:#54607a;font-size:20px;cursor:pointer;line-height:1}
.city-close:hover{background:#e4e7ec}
.city-hot{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid #eef0f3}
.city-hot .lab{font-size:13px;color:#54607a;margin-right:4px}
.city-hot a{display:inline-block;padding:6px 14px;background:#eaf0ff;color:#1e3a8a;border-radius:18px;font-size:13px;transition:background .15s}
.city-hot a:hover{background:#2f6bff;color:#fff}
.city-provs{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px;max-height:46vh;overflow:auto}
.city-prov h4{color:#1e3a8a;font-size:14px;margin-bottom:8px}
.city-prov a{display:inline-block;margin:0 8px 7px 0;font-size:13px;color:#2f6bff}
@media(max-width:640px){.city-provs{grid-template-columns:1fr}}