:root{
  --bg:#f7f4ed;
  --bg-soft:#fffdf8;
  --green:#4a7c59;
  --green-deep:#365c42;
  --wood:#8a6d3b;
  --wood-soft:#b9975b;
  --ink:#2b2b2b;
  --muted:#6b675e;
  --line:#e4ddcf;
  --accent:#c2703d;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;
}
h1,h2,h3{font-family:Georgia,"Times New Roman","Songti SC",serif;font-weight:600;color:var(--green-deep);line-height:1.25}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--accent)}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}

/* nav */
nav{background:var(--bg-soft);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav-inner{max-width:1080px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.logo{font-family:Georgia,serif;font-size:20px;font-weight:700;color:var(--green-deep)}
.logo span{color:var(--wood)}
.nav-links{display:flex;gap:22px;flex-wrap:wrap;font-size:15px}
.nav-links a{color:var(--ink)}
.nav-links a:hover{color:var(--green)}

/* hero */
.hero{background:linear-gradient(135deg,#eef3ec 0%,#f7f4ed 60%);padding:64px 0 56px;border-bottom:1px solid var(--line)}
.hero h1{font-size:42px;margin-bottom:16px;max-width:780px}
.hero p{font-size:18px;color:var(--muted);max-width:640px;margin-bottom:26px}
.cta{display:inline-block;background:var(--green);color:#fff;padding:13px 26px;border-radius:8px;font-size:16px;font-weight:600}
.cta:hover{background:var(--green-deep);color:#fff}
.cta.ghost{background:transparent;color:var(--green-deep);border:1px solid var(--green);margin-left:12px}

/* sections */
section{padding:54px 0}
.section-head{text-align:center;margin-bottom:38px}
.section-head h2{font-size:30px;margin-bottom:10px}
.section-head p{color:var(--muted);max-width:600px;margin:0 auto}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:26px;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(74,124,89,.12)}
.card .tag{display:inline-block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--wood);background:#f0e7d6;padding:4px 10px;border-radius:20px;margin-bottom:14px}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px;margin-bottom:16px}
.card .more{font-weight:600;font-size:14px}

/* feature / trust */
.trust{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;text-align:center}
.trust .num{font-family:Georgia,serif;font-size:34px;color:var(--green);font-weight:700}
.trust p{color:var(--muted);font-size:15px;margin-top:6px}

/* subscribe */
.sub{text-align:center}
.sub-box{max-width:520px;margin:0 auto;background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:34px}
.sub input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;margin:14px 0}
.sub button{width:100%;background:var(--green);color:#fff;border:0;padding:13px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer}
.sub button:hover{background:var(--green-deep)}

/* article list */
.post{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.post .meta{font-size:13px;color:var(--wood);white-space:nowrap;padding-top:4px}
.post h3{font-size:20px;margin-bottom:8px}
.post p{color:var(--muted);font-size:15px}

/* product grid */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.product .ph{height:150px;background:linear-gradient(135deg,var(--green) 0%,var(--wood) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-family:Georgia,serif;font-size:20px;text-align:center;padding:10px}
.product .body{padding:22px}
.product h3{font-size:18px;margin-bottom:8px}
.product .price{font-family:Georgia,serif;font-size:24px;color:var(--accent);font-weight:700;margin:8px 0 14px}
.product .price small{font-size:13px;color:var(--muted);font-weight:400}
.product .btn{display:block;text-align:center;background:var(--green);color:#fff;padding:11px;border-radius:8px;font-weight:600}
.product .btn:hover{background:var(--green-deep);color:#fff}
.badge{display:inline-block;font-size:11px;background:#f0e7d6;color:var(--wood);padding:3px 9px;border-radius:20px;margin-bottom:10px}

/* solar grid */
.solar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.solar{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:16px;text-align:center}
.solar b{display:block;color:var(--green-deep);font-size:15px;margin-bottom:4px}
.solar span{font-size:13px;color:var(--muted)}

/* prose */
.prose{max-width:720px;margin:0 auto}
.prose p{margin:16px 0;color:#3a3a3a}
.prose h2{font-size:24px;margin:30px 0 10px}
.prose ul{margin:14px 0 14px 22px;color:#3a3a3a}
.prose li{margin:6px 0}

/* footer */
footer{background:var(--green-deep);color:#e8efe9;padding:40px 0 28px;margin-top:20px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}
footer a{color:#cfe0d2}
.disclaimer{font-size:13px;color:#bcd0bf;max-width:640px;margin-top:14px;line-height:1.6}
footer .copy{width:100%;text-align:center;margin-top:26px;font-size:13px;color:#a9c2ad;border-top:1px solid rgba(255,255,255,.15);padding-top:18px}

/* responsive */
@media(max-width:860px){
  .cards,.trust .wrap,.products{grid-template-columns:1fr}
  .solar-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:32px}
  .nav-links{gap:14px}
}

/* footer contact line */
.bmz-contact{margin:14px 0 0;font-size:13px;color:#cfe0d2;line-height:1.6}
.bmz-contact a{color:#fff;text-decoration:underline}

/* language switch button (top-left) */
.bmz-langswitch{
  position:fixed;top:12px;left:12px;z-index:9999;
  display:inline-block;padding:6px 13px;
  background:rgba(40,30,18,.92);color:#f3ead9;
  border:1px solid var(--wood-soft);
  border-radius:999px;
  font-size:13px;font-weight:600;font-family:inherit;letter-spacing:.5px;
  text-decoration:none;box-shadow:0 2px 10px rgba(0,0,0,.28);
  transition:background .15s ease;
}
.bmz-langswitch:hover{background:rgba(60,45,28,.97);color:#fff}
@media(max-width:860px){
  .bmz-langswitch{top:10px;left:10px;padding:5px 11px;font-size:12px}
}

/* 详细咨询：右下角常驻微信入口，默认展开二维码，可关闭收起 */
.fw-mini{position:fixed;right:16px;bottom:16px;left:auto;top:auto;z-index:9998;font-size:13px}
.fw-mini-card{position:absolute;right:0;bottom:50px;width:150px;background:#fff;border:2px solid var(--green);border-radius:12px;box-shadow:0 8px 28px rgba(0,0,0,.22);padding:12px;text-align:center}
.fw-mini-close{position:absolute;top:2px;right:8px;border:0;background:transparent;font-size:18px;line-height:1;color:var(--muted);cursor:pointer;padding:2px}
.fw-mini-close:hover{color:var(--green-deep)}
.fw-mini-title{font-weight:700;color:var(--green-deep);margin-bottom:8px;font-size:14px;font-family:Georgia,serif}
.fw-mini-qr{width:126px;height:126px;border-radius:8px;border:1px solid var(--line);display:block;margin:0 auto}
.fw-mini-cap{display:block;margin-top:8px;font-size:12px;color:var(--muted)}
.fw-mini-tab{display:inline-block;padding:9px 15px;background:var(--green);color:#fff;border-radius:999px;font-weight:600;font-family:inherit;letter-spacing:.5px;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.28);transition:background .15s ease}
.fw-mini-tab:hover{background:var(--green-deep)}
/* 收起态：仅显示小标签，隐藏二维码卡片 */
.fw-mini.collapsed .fw-mini-card{display:none}
.fw-mini:not(.collapsed) .fw-mini-tab{display:none}
@media(max-width:860px){
  .fw-mini{right:10px;bottom:10px}
  .fw-mini-card{width:138px;padding:10px;bottom:46px}
  .fw-mini-qr{width:112px;height:112px}
}

/* 食材调理：平铺缩略图网格 */
.food-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:10px}
.food-tile{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;align-items:center;padding:14px 10px;transition:transform .15s,box-shadow .15s}
.food-tile:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(74,124,89,.12)}
.food-tile img{width:100%;height:140px;object-fit:cover;border-radius:10px;background:#fff;margin-bottom:12px}
.food-tile .ft-name{font-weight:600;color:var(--green-deep);font-size:17px;font-family:Georgia,serif}
@media(max-width:860px){.food-grid{grid-template-columns:repeat(2,1fr)}}

/* 食材页：相关链接区 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-col{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:20px}
.rel-col h3{font-size:17px;margin-bottom:12px;color:var(--green-deep)}
.rel-col a{display:block;color:var(--green);font-size:15px;margin:7px 0;text-decoration:none}
.rel-col a:hover{color:var(--accent)}
@media(max-width:860px){.rel-grid{grid-template-columns:1fr}}

/* 首页证型自测组件 */
.zheng-self-test-sec{padding:0 0 40px}
.zheng-self-test{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;margin-top:26px;box-shadow:0 10px 30px rgba(74,124,89,.08)}
.zheng-self-test h2{font-size:26px;margin-bottom:6px}
.zheng-self-test .st-lead{color:var(--muted);margin-bottom:8px}
.zheng-self-test .st-lead b{color:var(--accent)}
.st-q{margin:16px 0;padding-top:14px;border-top:1px dashed var(--line)}
.st-q:first-of-type{border-top:0;padding-top:0}
.st-q .q{font-weight:600;color:var(--green-deep);margin-bottom:10px;font-size:16px}
.st-opts{display:flex;flex-wrap:wrap;gap:10px}
.st-opt{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:10px 14px;cursor:pointer;font-size:15px;color:var(--ink);transition:all .15s}
.st-opt:hover{border-color:var(--green)}
.st-opt.sel{background:var(--green);color:#fff;border-color:var(--green)}
.st-actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.st-btn{background:var(--green);color:#fff;border:0;padding:12px 26px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block}
.st-btn:hover{background:var(--green-deep);color:#fff}
.st-btn.ghost{background:transparent;color:var(--green-deep);border:1px solid var(--green)}
.st-result{margin-top:24px;padding:22px;border-radius:14px;background:var(--bg-soft);border:1px solid var(--line);display:none}
.st-result.show{display:block}
.st-result .rt{font-size:22px;color:var(--green-deep);margin-bottom:6px}
.st-result .rt b{font-family:Georgia,serif}
.st-result .rd{color:#3a3a3a;margin-bottom:16px}
.st-result .recs{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0}
.st-result .recs a{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:20px;padding:7px 15px;color:var(--green-deep);font-weight:600;font-size:14px}
.st-result .recs a:hover{border-color:var(--green);color:var(--accent)}
.st-disclaimer{margin-top:16px;background:#fbf3e8;border:1px solid #ecd9bf;border-left:4px solid var(--accent);border-radius:10px;padding:14px 16px;color:#6a4a2a;font-size:14px;line-height:1.7}
@media(max-width:860px){.zheng-self-test{padding:22px}}