/* 拼福牛官网公共样式 */
:root{
  --primary:#FF4500;
  --secondary:#FF8C00;
  --accent:#FFD700;
  --light:#FFF8F0;
  --white:#FFFFFF;
  --dark:#1C1C1C;
  --gray:#F5F5F5;
  --text:#333333;
  --muted:#888888;
  --grad:linear-gradient(135deg,#FF4500,#FF8C00,#FFD700);
  --grad2:linear-gradient(135deg,#FF4500,#FF6B35);
  --shadow:0 8px 40px rgba(255,69,0,.18);
  --shadow2:0 4px 20px rgba(0,0,0,.08);
  --radius:16px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;background:var(--white);color:var(--text);overflow-x:hidden;padding-top:68px}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:#f0f0f0}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:999;height:68px;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(0,0,0,.07)}
.nav-inner{max-width:1200px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 5%}
.logo{display:flex;align-items:center;gap:.5rem;text-decoration:none}
.logo-text{font-size:1.55rem;font-weight:900;letter-spacing:-1px;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.logo-tag{font-size:.65rem;font-weight:700;background:var(--primary);color:#fff;padding:.15rem .5rem;border-radius:4px;letter-spacing:.05em}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{color:var(--text);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s;padding-bottom:2px;border-bottom:2px solid transparent}
.nav-links a:hover{color:var(--primary)}
.nav-links a.active{color:var(--primary);border-bottom-color:var(--primary)}
.nav-cta{padding:.45rem 1.3rem;border-radius:50px;background:var(--grad2);color:#fff;font-size:.85rem;font-weight:700;text-decoration:none;box-shadow:0 4px 16px rgba(255,69,0,.32);transition:transform .2s,box-shadow .2s;white-space:nowrap}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,69,0,.45)}
.nav-ham{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.nav-ham span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}

/* PAGE HERO */
.page-hero{padding:72px 5% 60px;background:linear-gradient(150deg,#fff8f0,#ffe8cc);position:relative;overflow:hidden;text-align:center}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(255,140,0,.15),transparent 70%)}
.page-hero-inner{position:relative;z-index:1;max-width:700px;margin:0 auto}
.page-tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.2em;color:var(--primary);text-transform:uppercase;background:rgba(255,69,0,.1);padding:.28rem .8rem;border-radius:4px;margin-bottom:.9rem}
.page-hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:900;line-height:1.15;margin-bottom:.9rem;color:var(--dark)}
.page-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.page-hero p{font-size:1rem;color:#666;line-height:1.85;max-width:560px;margin:0 auto}

/* SECTION */
section{padding:80px 5%}
.sec-wrap{max-width:1100px;margin:0 auto}
.sec-center{text-align:center}
.sec-center .sec-desc{margin:0 auto}
.tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.2em;color:var(--primary);text-transform:uppercase;background:rgba(255,69,0,.08);padding:.28rem .8rem;border-radius:4px;margin-bottom:.8rem}
h2{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:900;line-height:1.2;margin-bottom:.9rem;color:var(--dark)}
h2 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.sec-desc{font-size:.97rem;color:var(--muted);line-height:1.85;max-width:520px}

/* BTN */
.btn-main{display:inline-flex;align-items:center;gap:.4rem;padding:.85rem 2.2rem;border-radius:50px;background:var(--grad2);color:#fff;font-size:1rem;font-weight:700;text-decoration:none;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;border:none;cursor:pointer}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 12px 36px rgba(255,69,0,.45)}
.btn-ghost{display:inline-flex;align-items:center;gap:.4rem;padding:.85rem 2.2rem;border-radius:50px;background:transparent;border:2px solid var(--primary);color:var(--primary);font-size:1rem;font-weight:700;text-decoration:none;transition:all .2s}
.btn-ghost:hover{background:var(--primary);color:#fff}

/* CARDS */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.card{background:#fff;border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow2);transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(255,69,0,.14)}
.card-icon{font-size:2.5rem;margin-bottom:1rem}
.card-title{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:.6rem}
.card-desc{font-size:.83rem;color:var(--muted);line-height:1.75}

/* TOAST */
.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(30px);color:#fff;padding:.75rem 1.8rem;border-radius:50px;font-size:.88rem;font-weight:500;opacity:0;transition:opacity .3s,transform .3s;z-index:9999;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.ok{background:linear-gradient(135deg,#22c55e,#16a34a)}
.toast.err{background:linear-gradient(135deg,#ef4444,#dc2626)}

/* FOOTER */
footer{background:var(--dark);color:rgba(255,255,255,.65);padding:4rem 5% 2.2rem}
.foot-inner{max-width:1100px;margin:0 auto}
.foot-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.2fr;gap:3rem;margin-bottom:2.5rem}
.foot-logo .logo-text{font-size:1.5rem}
.foot-slogan{font-size:.95rem;margin-top:.8rem;line-height:1.8;opacity:.7;font-weight:500}
.foot-h{font-size:.95rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--secondary);margin-bottom:1.2rem}
.foot-list{list-style:none;display:flex;flex-direction:column;gap:.7rem}
.foot-list a{color:rgba(255,255,255,.6);text-decoration:none;font-size:.95rem;transition:color .2s;font-weight:500}
.foot-list a:hover{color:#fff}
.foot-contact p{font-size:.95rem;color:rgba(255,255,255,.6);line-height:2.2;font-weight:500}
.foot-contact b{color:rgba(255,255,255,.9);font-weight:700}
.foot-bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem}
.foot-bottom p{font-size:.85rem;color:rgba(255,255,255,.4)}
.foot-bottom a{color:rgba(255,255,255,.4);text-decoration:none;transition:color .2s}
.foot-bottom a:hover{color:var(--secondary)}

/* FORM */
.finput{width:100%;padding:.8rem 1rem;border-radius:10px;background:#f8f8f8;border:1.5px solid #eee;color:var(--text);font-size:.9rem;font-family:inherit;outline:none;transition:border-color .2s,box-shadow .2s}
.finput::placeholder{color:#bbb}
.finput:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,69,0,.1)}
.fselect{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:2rem}
textarea.finput{resize:vertical;min-height:88px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.fsub{width:100%;padding:.88rem;border-radius:50px;background:var(--grad2);color:#fff;font-size:1rem;font-weight:700;border:none;cursor:pointer;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;margin-top:.5rem}
.fsub:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(255,69,0,.45)}

/* ANIM */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp .6s ease both}
.fade-up-1{animation:fadeUp .6s .1s ease both}
.fade-up-2{animation:fadeUp .6s .2s ease both}
.fade-up-3{animation:fadeUp .6s .3s ease both}

/* RESPONSIVE */
@media(max-width:960px){.grid-3{grid-template-columns:1fr 1fr}.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:1rem 5%;gap:0;border-bottom:1px solid #f0f0f0;box-shadow:0 4px 12px rgba(0,0,0,.08)}
  .nav-links.open{display:flex}
  .nav-links li a{display:block;padding:.75rem 0;border-bottom:1px solid #f5f5f5;border-bottom-color:transparent}
  .nav-ham{display:flex}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;text-align:center}
  .frow{grid-template-columns:1fr}
}

/* NAV JS */