/* ============================================================
   五味源 · 腊味香料  —  styles--2.css（统一风格版）
   ============================================================ */

:root{
  --paper:#f4efe6;--paper-deep:#ece4d3;--card:#fbf7ee;
  --ink:#2b2016;--body:#4a3b2a;--accent:#8B1F2A;--gold:#a8844a;
  --line:#d9cdb6;
  --shadow:0 10px 30px rgba(60,40,20,.18);
  --shadow-hover:0 18px 44px rgba(60,40,20,.32);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--paper);color:var(--body);
  font-size:14px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
h2,h3,h4{font-family:"Noto Serif SC",serif;color:var(--ink);font-weight:700;}

/* 导航（同5/6） */
.navbar{position:sticky;top:0;z-index:100;background:rgba(244,239,230,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-inner{width:1400px;max-width:calc(100% - 48px);margin:0 auto;height:72px;display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-seal{width:44px;height:44px;border-radius:6px;background:var(--accent);color:var(--paper);font-family:"Noto Serif SC",serif;font-size:24px;font-weight:900;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(139,31,42,.3);}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text em{font-family:"Noto Serif SC",serif;font-style:normal;font-size:20px;font-weight:900;color:var(--ink);letter-spacing:2px;}
.logo-text small{font-size:10px;letter-spacing:2px;color:var(--gold);margin-top:2px;}
.nav-list{display:flex;list-style:none;gap:8px;}
.nav-item{position:relative;}
.nav-item>a{display:block;padding:10px 18px;font-size:15px;color:var(--ink);letter-spacing:1px;transition:color .25s;}
.nav-item>a:hover{color:var(--accent);}
.nav-item>a .arrow{font-size:10px;margin-left:4px;opacity:.6;}
.nav-item>a.active{color:var(--accent);}
.submenu{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(-12px);min-width:160px;background:var(--card);border:1px solid var(--line);list-style:none;padding:8px 0;box-shadow:0 12px 30px rgba(60,40,20,.15);opacity:0;visibility:hidden;transition:opacity .3s ease, transform .3s ease, visibility .3s;}
.submenu::before{content:"";position:absolute;top:-6px;left:50%;transform:translateX(-50%) rotate(45deg);width:10px;height:10px;background:var(--card);border-left:1px solid var(--line);border-top:1px solid var(--line);}
.has-sub:hover .submenu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.submenu li a{display:block;padding:9px 22px;font-size:14px;color:var(--body);transition:all .2s;}
.submenu li a:hover{background:var(--paper-deep);color:var(--accent);padding-left:28px;}
.submenu li a.active{color:var(--accent);font-weight:500;}

/* Hero banner */
.hero{width:100%;overflow:hidden;}
.hero img{width:100%;height:auto;object-fit:cover;}

/* 顶部总论 */
.top{padding:70px 0;background:var(--paper-deep);}
.top-card{
  width:1400px;max-width:calc(100% - 48px);margin:0 auto;
  background:var(--card);border:1px solid var(--line);
  display:grid;grid-template-columns:1.5fr 1fr;gap:40px;
  padding:50px 54px;align-items:center;
}
.top-card .txt p{font-size:14px;color:var(--body);margin:10px 0;line-height:2;}
.top-card .illus img{width:100%;box-shadow:var(--shadow);transition:box-shadow .3s;}
.top-card .illus img:hover{box-shadow:var(--shadow-hover);}

/* Banner */
.banner{
  background:linear-gradient(135deg, #3a2c1e 0%, #5a4028 100%);
  padding:70px 24px;text-align:center;
}
.banner h2{font-size:36px;color:#f4efe6;letter-spacing:6px;}

/* 四宫格 */
.grid4{position:relative;background:var(--paper);padding:80px 0;}
.corner{position:absolute;top:-30px;left:24px;width:200px;z-index:2;}
.grid4-inner{
  width:1400px;max-width:calc(100% - 48px);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;align-items:start;
}
.gcell img{
  width:100%;height:230px;object-fit:cover;
  box-shadow:var(--shadow);transition:box-shadow .3s, transform .3s;
}
.gcell:hover img{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.gcell .t{padding:16px 8px;text-align:center;font-size:14px;color:var(--body);line-height:1.9;}

/* 配方拆解 */
.recipe{
  background:linear-gradient(135deg, #3a2c1e 0%, #5a4028 100%);
  padding:70px 0;
}
.recipe h2{text-align:center;color:#f4efe6;font-size:36px;margin-bottom:44px;letter-spacing:4px;}
.recipe-inner{
  width:1400px;max-width:calc(100% - 48px);margin:0 auto;
  display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:start;
}
.recipe-inner .big img{width:100%;box-shadow:0 16px 40px rgba(0,0,0,.4);}
.recipe-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.recipe-grid img{width:100%;height:170px;object-fit:cover;box-shadow:0 8px 20px rgba(0,0,0,.3);transition:transform .3s;}
.recipe-grid img:hover{transform:scale(1.04);}

/* 香料总览 */
.overview{background:var(--paper);padding:80px 0;}
.overview h2{text-align:center;font-size:36px;margin-bottom:44px;letter-spacing:4px;}
.overview-row{
  width:1400px;max-width:calc(100% - 48px);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.overview-row img{
  width:100%;height:200px;object-fit:cover;
  box-shadow:var(--shadow);transition:box-shadow .3s, transform .3s;
}
.overview-row img:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}

/* 底部 */
.bottom{background:var(--paper-deep);padding:70px 0;}
.bottom-inner{
  width:1400px;max-width:calc(100% - 48px);margin:0 auto;
  display:grid;grid-template-columns:1fr 1.3fr;gap:48px;align-items:start;
}
.bottom-inner .big img{width:100%;box-shadow:var(--shadow);}
.rows{display:flex;flex-direction:column;gap:24px;}
.row{
  display:grid;grid-template-columns:130px 1fr;gap:22px;align-items:center;
  background:var(--card);border:1px solid var(--line);padding:16px;
  transition:box-shadow .3s;
}
.row:hover{box-shadow:var(--shadow-hover);}
.row img{width:130px;height:95px;object-fit:cover;}
.row p{font-size:14px;color:var(--body);line-height:1.9;}

/* Footer */
.foot-light{background:var(--paper-deep);height:30px;}
.foot-dark{background:var(--ink);color:#d9c9a8;text-align:center;padding:18px 10px;font-size:12px;letter-spacing:1px;}

@media (max-width:1100px){
  .top-card,.recipe-inner,.bottom-inner{grid-template-columns:1fr;}
  .grid4-inner,.overview-row{grid-template-columns:1fr 1fr;}
  .corner{position:static;width:160px;margin-bottom:10px;}
}
@media (max-width:640px){
  .grid4-inner,.overview-row{grid-template-columns:1fr;}
  .row{grid-template-columns:100px 1fr;}
}