/* ========== common.css - 榔世子公共样式 ========== */
@font-face{font-family:'Long Cang';src:url('/fonts/longcang.woff') format('woff');font-weight:400;font-style:normal;font-display:swap}

/* Reset & Variables */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  /* A方案：深海蓝金 */
  --bg:#F5F3EF;--bg2:#E8E4DC;--bg3:#DEDAD0;
  --text:#1A1A2E;--text2:#3D3D56;--text3:#7A7A8C;
  --green:#0C1B33;--green2:#1B3A5C;--green-light:#1A6B3C;
  --gold:#D4AF62;--gold2:#B8963E;--cream:#FAFAF8;
  --red:#c0392b;--red-bg:#fff0ee;
  --serif:'Noto Serif SC',serif;
  --sans:'Noto Sans SC',sans-serif;
  --ease:all .4s cubic-bezier(.25,.46,.45,.94);
}
html{scroll-behavior:smooth;font-size:16px}
body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}
@keyframes countdown{from{width:100%}to{width:0}}
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .8s,transform .8s}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ========== TOP BAR ========== */
.topbar{background:linear-gradient(90deg,#0C1B33,#1B3A5C);color:rgba(255,255,255,.7);text-align:center;padding:.5rem;font-size:.75rem;letter-spacing:.1em}
.topbar em{font-style:normal;color:var(--gold)}

/* ========== NAV ========== */
/* header-wrap: topbar + nav 整体吸顶 */
.header-wrap{position:sticky;top:0;left:0;right:0;z-index:100}
.topbar{background:var(--green,#0C1B33);color:var(--cream,#FAFAF8);display:flex;justify-content:center;align-items:center;padding:6px 2rem;font-size:.8rem;letter-spacing:.5px;border-bottom:1px solid rgba(200,169,106,.15)}
.topbar em{font-style:normal;color:var(--gold,#D4AF62);font-weight:600}
.nav{padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;background:rgba(12,27,51,.97);backdrop-filter:blur(20px);border-bottom:1px solid rgba(200,169,106,.1);position:relative}
.nav-logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;z-index:2}
.nav-logo .logo-text{font-family:'Long Cang','Ma Shan Zheng',cursive;font-size:1.8rem;color:var(--gold);letter-spacing:.1em;line-height:1}
.nav-logo .logo-sub{font-size:.55rem;color:rgba(255,255,255,.5);letter-spacing:.15em;font-family:var(--sans);font-weight:300;margin-top:.15rem}
.nav-logo .logo-chop{width:32px;height:32px;border:2px solid #D4AF62;border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;transform:rotate(-5deg);flex-shrink:0}
.nav-logo .logo-chop::before{content:'';position:absolute;inset:2px;border:1px solid rgba(200,169,106,.35);border-radius:50%}
.nav-logo .logo-chop span{font-family:'Long Cang','Noto Serif SC',serif;font-size:.55rem;font-weight:900;color:#D4AF62;line-height:1}
.nav-links{position:absolute;left:50%;transform:translateX(-50%);display:flex;gap:2rem;font-size:.82rem;letter-spacing:.08em;color:rgba(255,255,255,.7)}
.nav-links a{transition:var(--ease);position:relative}
.nav-links a:hover{color:var(--gold)}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--gold);transition:width .3s}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--gold);font-weight:500}
.nav-links a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:1rem;z-index:2}
.nav-phone{font-size:.8rem;color:rgba(255,255,255,.6)}
.nav-phone strong{color:var(--gold)}
.nav-cart{position:relative;font-size:1.1rem;cursor:pointer}
.nav-cart .badge{position:absolute;top:-6px;right:-10px;background:var(--red);color:#fff;font-size:.55rem;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.nav-cta{padding:.5rem 1.5rem;border:none;color:#0C1B33;font-size:.78rem;letter-spacing:.1em;transition:var(--ease);cursor:pointer;background:var(--gold);border-radius:2px}
.nav-cta:hover{background:#D4B87A}

/* Hamburger Menu */
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;z-index:200;background:none;border:none}
.nav-hamburger span{display:block;width:22px;height:2px;background:var(--gold);transition:var(--ease)}
.nav-hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-hamburger.open span:nth-child(2){opacity:0}
.nav-hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Mobile Menu Overlay */
.mobile-menu{position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;background:#0C1B33;z-index:9999;flex-direction:column;align-items:center;justify-content:center;gap:2rem;display:none}
.mobile-menu.open{display:flex}
.mobile-menu a{font-family:var(--serif);font-size:1.3rem;color:rgba(255,255,255,.8);letter-spacing:.1em;padding:.5rem 1rem;transition:var(--ease)}
.mobile-menu a:hover{color:var(--gold)}
.mobile-menu .mobile-cta{margin-top:1rem;padding:.8rem 2.5rem;background:var(--gold);color:#0C1B33;font-size:.9rem;letter-spacing:.1em;border:none;cursor:pointer;border-radius:2px}

/* ========== FOOTER ========== */
.footer{background:linear-gradient(180deg,#0C1B33,#091422);color:rgba(250,250,248,.6);padding:3rem 2rem 1.5rem}
.footer-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:2rem;margin-bottom:2rem}
.footer-brand .fb-name{font-family:var(--serif);font-size:1.3rem;color:var(--cream);margin-bottom:.5rem}
.footer-brand .fb-desc{font-size:.75rem;line-height:1.8;margin-bottom:1rem}
.footer-brand .fb-cert{display:flex;gap:.5rem;flex-wrap:wrap}
.footer-brand .fb-cert span{font-size:.6rem;padding:.2rem .5rem;border:1px solid rgba(250,250,248,.15);color:rgba(250,250,248,.4)}
.footer-col h4{font-size:.82rem;color:var(--cream);margin-bottom:1rem;letter-spacing:.1em}
.footer-col a{display:block;font-size:.75rem;margin-bottom:.5rem;transition:var(--ease)}
.footer-col a:hover{color:var(--cream)}
.footer-bottom{max-width:1100px;margin:0 auto;padding-top:1.5rem;border-top:1px solid rgba(250,250,248,.08);display:flex;justify-content:center;gap:2rem;font-size:.65rem;flex-wrap:wrap}

/* ========== FLOAT BUTTONS ========== */
.float-cs{position:fixed;right:1.5rem;bottom:2rem;display:flex;flex-direction:column;gap:.6rem;z-index:90}
.float-btn{width:44px;height:44px;border-radius:50%;border:1px solid rgba(200,169,106,.2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--ease);font-size:.9rem;background:var(--green);color:var(--gold);box-shadow:0 4px 15px rgba(12,27,51,.25)}
.float-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(12,27,51,.3)}

/* ========== RESPONSIVE - Tablet ========== */
@media(max-width:1099px){
  .hero-inner,.product-main{gap:2rem}
  .footer-inner{grid-template-columns:1fr 1fr;gap:1.5rem}
}

/* ========== RESPONSIVE - Mobile ========== */
@media(max-width:767px){
  /* 全局溢出保护 */
  html,body{overflow-x:hidden;max-width:100vw}

  /* Nav */
  .nav{padding:.8rem 1rem}
  .nav-links{display:none}
  .nav-phone{display:none}
  .nav-hamburger{display:flex}
  .nav-logo .logo-text{font-size:1.4rem}
  .nav-logo .logo-chop{width:26px;height:26px}
  .nav-logo .logo-chop span{font-size:.45rem}
  .nav-cta{padding:.4rem 1rem;font-size:.72rem}

  /* Topbar */
  .topbar{font-size:.65rem;padding:.4rem .5rem}

  /* Footer */
  .footer{padding:2rem 1rem 1rem}
  .footer-inner{grid-template-columns:1fr;gap:1.5rem}
  .footer-bottom{flex-direction:column;align-items:center;gap:.5rem}

  /* Float buttons */
  .float-cs{right:1rem;bottom:1.5rem}
  .float-btn{width:40px;height:40px}
}

/* ========== RESPONSIVE - Small Phone ========== */
@media(max-width:480px){
  html{font-size:14px}
  .nav{padding:.6rem .8rem}
  .nav-logo .logo-text{font-size:1.2rem}
  .nav-logo .logo-sub{display:none}
}


/* ===== 全局手机端优化 ===== */
@media (max-width: 768px) {
  /* 导航栏 */
  .nav-container { padding: 0 1rem; }
  .nav-links, .nav-right { display: none !important; }
  .nav-hamburger { display: flex !important; }
  .mobile-menu.active, .mobile-menu.open { display: flex !important; }

  /* 全局排版 */
  body { font-size: 14px; overflow-x: hidden; }
  h1 { font-size: 1.6rem !important; }
  h2 { font-size: 1.3rem !important; }
  h3 { font-size: 1.1rem !important; }
  
  /* 容器自适应 */
  .container, .content, .main-content, .page-content {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 1rem !important;
    box-sizing: border-box !important;
  }
  
  /* 表格响应式 */
  table { font-size: 13px; }
  th, td { padding: 6px 8px !important; }
  
  /* 按钮适配 */
  .btn, button, input[type="submit"] {
    min-height: 44px;
    font-size: 15px;
  }
  
  /* 表单元素 */
  input, select, textarea {
    font-size: 16px !important; /* 防iOS缩放 */
    min-height: 44px;
  }
  
  /* 图片自适应 */
  img { max-width: 100%; height: auto; }
  
  /* footer */
  footer { padding: 1.5rem 1rem !important; font-size: 13px; }
  .footer-links { flex-direction: column; gap: 0.5rem; }
}

@media (max-width: 480px) {
  body { font-size: 13px; }
  h1 { font-size: 1.4rem !important; }
  h2 { font-size: 1.2rem !important; }
  .nav-container { padding: 0 0.8rem; }
  .logo { font-size: 1.1rem !important; }
}