/* ============================================================
   Suitinn 穗田复合肥 · 中文站点样式
   风格参照 Haifa Group：白底、单一主色、大留白、克制无动效
   ============================================================ */

:root{
  --ink:#12211a;
  --ink-soft:#3d5147;
  --muted:#6b7d73;
  --line:#e2e8e3;
  --bg:#ffffff;
  --tint:#f5f8f5;
  --green:#1f5c3a;
  --green-dark:#153f28;
  --green-light:#e9f2ec;
  --accent:#c19a44;
  --radius:12px;
  --shadow:0 8px 28px rgba(18,33,26,.07);
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{width:min(var(--max),calc(100% - 48px));margin-inline:auto}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{width:40px;height:40px;border-radius:11px;background:var(--green);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;letter-spacing:.5px}
.brand-text{display:flex;flex-direction:column;font-weight:700;line-height:1.2;font-size:17px;letter-spacing:.02em}
.brand-text small{font-weight:500;color:var(--muted);font-size:11.5px;letter-spacing:.14em;margin-top:4px}
.nav{margin-left:auto;display:flex;align-items:center;gap:30px}
.nav a{color:var(--ink-soft);font-size:15px;font-weight:500}
.nav a:hover{color:var(--green);text-decoration:none}
.nav a.active{color:var(--green);font-weight:700}
.nav-cta{border:1px solid var(--green);border-radius:999px;padding:8px 20px;color:var(--green)!important}
.nav-cta:hover{background:var(--green);color:#fff!important}
.nav-toggle{display:none;border:0;background:none;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--green-dark);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;
  background:
    radial-gradient(circle at 78% 20%, rgba(193,154,68,.22), transparent 42%),
    radial-gradient(circle at 18% 82%, rgba(255,255,255,.07), transparent 40%),
    linear-gradient(135deg,#1a4a30 0%,#153f28 55%,#0f2c1c 100%);
}
.hero-inner{position:relative;padding:92px 0 80px;max-width:820px}
.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:12px;font-weight:700;
  color:var(--accent);margin:0 0 16px}
.hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.28;margin:0 0 20px;font-weight:800;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--accent)}
.lead{font-size:clamp(16px,1.6vw,18px);color:#d7e5dc;margin:0 0 30px;max-width:660px;line-height:1.9}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;
  border-radius:999px;font-weight:700;font-size:15px;transition:.18s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:#17240f}
.btn-primary:hover{background:#d0aa55;text-decoration:none}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);text-decoration:none}
.btn-outline{border-color:var(--green);color:var(--green)}
.btn-outline:hover{background:var(--green);color:#fff;text-decoration:none}
.hero-points{display:flex;gap:28px;flex-wrap:wrap;list-style:none;padding:0;margin:0;font-size:14px;color:#bfd3c6}
.hero-points li::before{content:"· ";color:var(--accent);font-weight:800;font-size:20px;vertical-align:-2px}

/* ---------- 数据条 ---------- */
.stats{background:var(--green-light);border-bottom:1px solid #d8e6dd}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0}
.stat b{display:block;font-size:clamp(22px,2.4vw,30px);color:var(--green-dark);font-weight:800;line-height:1.2}
.stat span{font-size:13.5px;color:var(--ink-soft)}

/* ---------- 通用区块 ---------- */
.section{padding:84px 0}
.section-tint{background:var(--tint)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(25px,3vw,34px);line-height:1.35;margin:0 0 14px;letter-spacing:-.01em}
.section-sub{color:var(--ink-soft);font-size:16.5px;margin:0}
.section-head.center{margin-inline:auto;text-align:center}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.18s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#cfdcd4}
.card h3{font-size:17.5px;margin:0 0 10px}
.card p{margin:0;color:var(--ink-soft);font-size:15px}

/* 产品卡 */
.product-media{background:var(--tint);border-radius:10px;padding:18px;margin-bottom:18px;
  display:grid;place-items:center;height:210px;overflow:hidden}
.product-media img{max-height:180px;width:auto;object-fit:contain}
.grade{display:inline-block;font-variant-numeric:tabular-nums;font-weight:800;font-size:19px;
  background:var(--green-light);color:var(--green-dark);padding:5px 11px;border-radius:8px}
.tag{font-size:11.5px;color:var(--muted);font-weight:700;letter-spacing:.08em}
.spec{margin:16px 0 0;border-top:1px solid var(--line);padding-top:12px}
.spec div{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:4px 0}
.spec dt{color:var(--muted);margin:0}
.spec dd{margin:0;font-weight:600;text-align:right}

/* 作物卡 */
.crop{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;transition:.18s}
.crop:hover{border-color:var(--green);text-decoration:none}
.crop-ico{width:42px;height:42px;border-radius:11px;background:var(--green-light);color:var(--green);
  display:grid;place-items:center;font-size:20px;flex:0 0 auto}
.crop b{display:block;font-size:15.5px;color:var(--ink)}
.crop span{font-size:12.5px;color:var(--muted)}

/* 三卡特征 */
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.feature .num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.14em}
.feature h3{margin:12px 0 10px;font-size:18px}
.feature p{margin:0;color:var(--ink-soft);font-size:15px}
.feature strong{color:var(--green-dark)}

/* 效果数据 */
.effect{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.effect-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.effect-item b{display:block;font-size:34px;color:var(--green);font-weight:800;line-height:1.1}
.effect-item span{display:block;font-size:14px;color:var(--ink-soft);margin-top:8px}
.effect-item em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:6px}

/* 试验图 */
.shot{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff}
.shot img{width:100%;height:220px;object-fit:cover}
.shot figcaption{padding:12px 16px;font-size:13.5px;color:var(--ink-soft)}

/* 合作伙伴 */
.partners{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.partner{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center}
.partner .logo{height:64px;display:grid;place-items:center;font-weight:800;font-size:18px;color:var(--green-dark)}
.partner p{font-size:13.5px;color:var(--muted);margin:12px 0 0}
.partner .slot{border:1.5px dashed #cfdcd4;border-radius:10px;padding:18px;color:var(--muted);font-size:13.5px}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:720px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--green-light);color:var(--green-dark);font-size:13px;letter-spacing:.04em;white-space:nowrap}
td{color:var(--ink-soft)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafcfb}
td b{color:var(--ink)}

/* 分栏 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.checklist{list-style:none;padding:0;margin:22px 0 0}
.checklist li{position:relative;padding-left:26px;margin-bottom:11px;color:var(--ink-soft);font-size:15px}
.checklist li::before{content:"";position:absolute;left:0;top:9px;width:13px;height:7px;
  border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
.doc-card{background:var(--tint);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.doc-card h3{margin:0 0 16px;font-size:17.5px}
.doc-list{list-style:none;padding:0;margin:0}
.doc-list li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;
  border-bottom:1px dashed var(--line);font-size:14.5px}
.doc-list li:last-child{border-bottom:0}
.doc-list span{font-weight:600;color:var(--ink)}
.doc-list em{color:var(--muted);font-style:normal;font-size:13px}

/* CTA 条 */
.cta-band{background:var(--green-dark);color:#fff;padding:64px 0}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);margin:0 0 12px}
.cta-band p{color:#c3d7ca;margin:0 0 26px;font-size:16px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-list{list-style:none;padding:0;margin:26px 0 0}
.contact-list li{display:flex;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
.contact-list span{min-width:96px;color:var(--muted);font-size:13.5px;font-weight:700;letter-spacing:.04em}
.contact-form{background:var(--tint);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.contact-form label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-soft);margin-bottom:16px}
.contact-form input,.contact-form textarea{width:100%;margin-top:7px;padding:11px 13px;border:1px solid #cfdad3;
  border-radius:9px;font:inherit;font-size:15px;background:#fff;color:var(--ink)}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--green);outline-offset:1px;border-color:var(--green)}
.contact-form .btn{width:100%;margin-top:4px}
.form-note{font-size:12.5px;color:var(--muted);margin:12px 0 0;text-align:center}

/* 页脚 */
.site-footer{background:#0f1e16;color:#b8ccc0;padding:42px 0 34px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:28px}
.site-footer h4{color:#fff;font-size:14px;margin:0 0 14px;letter-spacing:.06em}
.site-footer a{color:#b8ccc0}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:9px}
.footer-bottom{border-top:1px solid #22352a;padding-top:20px;display:flex;justify-content:space-between;
  gap:20px;flex-wrap:wrap;color:#7f978a;font-size:12.5px}

/* 浮动 WhatsApp */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:54px;height:54px;border-radius:50%;
  background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.4);transition:.18s}
.wa-float:hover{transform:scale(1.06)}

/* 面包屑 */
.crumb{font-size:13.5px;color:var(--muted);padding:20px 0 0}
.crumb a{color:var(--muted)}

/* 响应式 */
@media (max-width:1040px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .stats-inner{grid-template-columns:repeat(2,1fr)}
  .effect{grid-template-columns:repeat(2,1fr)}
  .split,.contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .g3{grid-template-columns:1fr}
  .g2{grid-template-columns:1fr}
  .nav{display:none}
  .nav-toggle{display:block}
  .site-header.open .nav{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:#fff;padding:20px 24px;gap:18px;border-bottom:1px solid var(--line)}
  .hero-inner{padding:64px 0 56px}
  .section{padding:60px 0}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .g4{grid-template-columns:1fr}
  .effect{grid-template-columns:1fr}
  .hero-points{flex-direction:column;gap:10px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* 补：关于页用到但未定义的两个类 */
.facts{display:grid;gap:18px 32px}
.facts div{border-left:2px solid var(--green);padding-left:14px}
.facts dt{font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.06em;margin:0}
.facts dd{margin:4px 0 0;font-weight:600}
.callout{background:var(--tint);border:1px solid var(--line);border-radius:12px;padding:20px 24px;font-size:14px;color:var(--ink-soft)}


/* 产品详情页 */
.product-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.p-title{font-size:clamp(28px,3.4vw,42px);line-height:1.3;margin:0 0 18px}
.lead-p{font-size:17px;color:var(--ink-soft);margin:0 0 24px;line-height:1.9}
.kpi-row{display:flex;gap:26px;flex-wrap:wrap}
.kpi-row span{font-size:13.5px;color:var(--ink-soft)}
.kpi-row b{display:block;font-size:24px;color:var(--green);font-weight:800}
.product-media.big{background:var(--tint);border-radius:14px;padding:36px;display:grid;place-items:center;min-height:380px}
.product-media.big img{max-height:360px;width:auto}
.bag-fallback{width:230px;height:340px;border-radius:14px;background:linear-gradient(160deg,#2f6b47,#1f5c3a);
  color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  box-shadow:0 12px 30px rgba(31,92,58,.25)}
.bag-fallback span{font-size:30px;font-weight:800;letter-spacing:.02em}
.bag-fallback em{font-size:13px;font-style:normal;color:#c9dfd2}
.bag-fallback.light{background:linear-gradient(160deg,#8a7a4e,#6b5d38)}
.prose h3{font-size:18px;margin:26px 0 10px;color:var(--ink)}
.prose p{color:var(--ink-soft);margin:0 0 14px;line-height:1.95}
.prose b{color:var(--green-dark)}
.note{font-size:13px;color:var(--muted);margin:12px 0 0}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item:last-child{border-bottom:0}
.faq-item h3{margin:0 0 8px;font-size:16.5px}
.faq-item p{margin:0;color:var(--ink-soft);font-size:15px;line-height:1.85}
@media (max-width:900px){
  .product-hero{grid-template-columns:1fr;gap:28px}
  .product-media.big{min-height:auto;padding:24px}
}


/* 知识页与产品卡 */
.toc{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.toc a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  font-size:13.5px;color:var(--ink-soft)}
.toc a:hover{border-color:var(--green);color:var(--green);text-decoration:none}
.prose-wrap{max-width:820px}
.prose-wrap h2{font-size:clamp(22px,2.6vw,30px);margin:0 0 16px}
.prose-wrap h3{font-size:17px;margin:26px 0 10px}
.prose-wrap p{color:var(--ink-soft);line-height:1.95;margin:0 0 14px}
.prose-wrap b{color:var(--green-dark)}
.compare{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;background:#fff}
.compare th,.compare td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.compare th{background:var(--green-light);color:var(--green-dark);font-size:13px}
.product-card{display:block}
.product-top{display:flex;align-items:center;justify-content:space-between;margin:14px 0 10px}
.more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--green)}
a.card:hover .more{text-decoration:underline}


/* ===== 产品卡 v2（方案 A + 工艺） ===== */
.pcard{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.18s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-2px);text-decoration:none}
.pcard-media{height:230px;background:var(--tint);display:grid;place-items:center;padding:16px;overflow:hidden}
.pcard-media img{max-height:200px;max-width:100%;width:auto;object-fit:contain}
.pcard-media img.fill{width:100%;height:100%;object-fit:cover;max-height:none}
.pcard-body{padding:20px 22px 24px}
.pcard-kind{font-size:11.5px;letter-spacing:.14em;color:var(--muted);font-weight:700;text-transform:uppercase}
.pcard-grade{font-size:34px;font-weight:800;color:var(--green-dark);line-height:1.1;margin:8px 0 12px;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.pcard-specs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.chip{font-size:12px;background:var(--green-light);color:var(--green-dark);padding:4px 11px;border-radius:999px;font-weight:600}
.chip.ghost{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500}
.pcard-use{font-size:14.5px;color:var(--ink-soft);margin:0 0 14px;line-height:1.7}

/* ===== 效果对比（对照居左） ===== */
.fx-grid{display:grid;gap:26px}
.fx{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.fx-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;border-bottom:1px solid var(--line)}
.fx-head h3{margin:0;font-size:17px}
.fx-head .where{font-size:13px;color:var(--muted)}
.fx-body{display:grid;grid-template-columns:1fr 132px 1fr;align-items:stretch}
.fx-pane{position:relative;background:#eef2ef}
.fx-pane img{width:100%;height:270px;object-fit:cover;display:block}
.fx-tag{position:absolute;left:12px;top:12px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;color:#fff}
.fx-tag.ctrl{background:rgba(40,40,40,.72)}
.fx-tag.demo{background:var(--green)}
.fx-mid{background:var(--green-light);display:grid;place-items:center;text-align:center;padding:10px}
.fx-mid b{display:block;font-size:25px;font-weight:800;color:var(--green);line-height:1.1}
.fx-mid span{display:block;font-size:11.5px;color:var(--muted);margin-top:4px}
.fx-foot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:14px 24px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-soft)}
.fx-foot em{font-style:normal;color:var(--muted)}
@media (max-width:760px){
  .fx-body{grid-template-columns:1fr}
  .fx-pane img{height:200px}
  .fx-mid{padding:12px;flex-direction:row}
  .fx-mid b{font-size:22px}
}


/* 英文文章页 */
.article-wrap{max-width:820px}
.article-head{margin:28px 0 34px}
.article-head h1{font-size:clamp(26px,3.4vw,40px);line-height:1.28;margin:0 0 12px;letter-spacing:-.015em}
.article-meta{font-size:13px;color:var(--muted);margin:0;letter-spacing:.04em;text-transform:uppercase}
.prose p{color:var(--ink-soft);line-height:2;margin:0 0 16px}
.prose h2{font-size:clamp(21px,2.4vw,27px);margin:40px 0 14px;line-height:1.35}
.prose h3{font-size:17px;margin:26px 0 10px}
.prose ul.checklist li{line-height:1.9}
.related{margin-top:44px;border-top:1px solid var(--line);padding-top:24px}
.related h2{font-size:19px;margin:0 0 12px}
.related ul{list-style:none;padding:0;margin:0}
.related li{margin-bottom:10px}
.related a{font-weight:600}

/* 页面主标题 */
.page-title{font-size:clamp(25px,3vw,35px);line-height:1.28;margin:0 0 14px;letter-spacing:-.015em}

/* ============================================================
   v3 设计令牌与组件（2026-11-04 重构）
   双绿分工：深绿做结构，亮绿做行动
   ============================================================ */
:root{
  --deep:#12452C;          /* 结构色：页脚、首屏、标题强调 */
  --deep-2:#1F5C3A;
  --action:#009A44;        /* 行动色：按钮、数据高亮 */
  --action-dark:#00803A;
  --ink-2:#1B3A4B;         /* 工业蓝灰：数据区、次级结构 */
  --sand:#F3F1EA;
}

/* 顶部条 */
.topbar{background:var(--deep);color:#cfded5;font-size:13px}
.topbar .wrap{display:flex;align-items:center;gap:22px;min-height:38px;flex-wrap:wrap}
.topbar a{color:#e7f1ea}
.topbar .dot{opacity:.5}

/* 首屏（图片版） */
.hero-img{position:relative;color:#fff;overflow:hidden;background:var(--deep)}
.hero-img .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.hero-img .veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,69,44,.94) 0%,rgba(18,69,44,.72) 48%,rgba(18,69,44,.35) 100%)}
.hero-img .wrap{position:relative;padding:104px 0 96px;max-width:860px}
.hero-img h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;margin:0 0 20px;letter-spacing:-.02em}
.hero-img h1 em{font-style:normal;color:#7BD389}
.hero-img .sub{font-size:clamp(16px,1.7vw,19px);color:#dbe9e0;line-height:1.85;max-width:660px;margin:0 0 30px}

/* 三数字信任条 */
.trust{background:var(--ink-2);color:#dfe9ef}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 0}
.trust b{display:block;font-size:clamp(20px,2.2vw,27px);font-weight:800;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums}
.trust span{font-size:13px;color:#a9c1cf}
@media(max-width:820px){.trust .wrap{grid-template-columns:repeat(2,1fr)}}

/* 可核查清单 */
.checklist-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.checklist-3{grid-template-columns:1fr}}
.verify{background:#fff;border:1px solid var(--line);border-left:3px solid var(--action);border-radius:12px;padding:26px}
.verify h3{margin:0 0 10px;font-size:17px}
.verify p{margin:0 0 14px;color:var(--ink-soft);font-size:14.5px;line-height:1.8}
.verify .tagx{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.06em;color:var(--action);text-transform:uppercase}

/* 规格/数据矩阵表 */
.matrix{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.matrix th,.matrix td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.matrix thead th{background:var(--deep);color:#fff;font-weight:600;font-size:13px;white-space:nowrap}
.matrix tbody tr:nth-child(even){background:#fafcfa}
.matrix td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.matrix .hl{color:var(--action);font-weight:700}

/* 文件下载列表 */
.docs{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.docs li{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:14.5px}
.docs .ico{width:30px;height:30px;border-radius:8px;background:var(--green-light);color:var(--deep);
  display:grid;place-items:center;font-size:12px;font-weight:800;flex:0 0 auto}
.docs .meta{margin-left:auto;font-size:12.5px;color:var(--muted)}
.docs .pending{color:#b07d2b;font-weight:600}

/* 人物卡 */
.person{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.person .ava{width:56px;height:56px;border-radius:50%;background:var(--deep);color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px;flex:0 0 auto}
.person b{display:block;font-size:15.5px}
.person span{display:block;font-size:13px;color:var(--muted)}
.person .acts{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.person .acts a{font-size:13px;font-weight:700;padding:8px 14px;border-radius:999px;border:1px solid var(--line)}
.person .acts a.pri{background:var(--action);color:#fff;border-color:var(--action)}

/* 双栏能力卡 */
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:900px){.cap-grid{grid-template-columns:1fr}}
.cap{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cap .head{background:var(--deep);color:#fff;padding:18px 22px;font-size:15px;font-weight:700}
.cap .body{padding:22px}
.cap .body ul{list-style:none;padding:0;margin:0}
.cap .body li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-soft);display:flex;justify-content:space-between;gap:14px}
.cap .body li:last-child{border-bottom:0}
.cap .body li b{color:var(--ink);font-weight:600}

/* 流程时间线 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:step}
@media(max-width:900px){.flow{grid-template-columns:1fr 1fr}}
.flow .step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;position:relative}
.flow .step::before{counter-increment:step;content:counter(step);position:absolute;top:-12px;left:18px;
  width:26px;height:26px;border-radius:50%;background:var(--action);color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center}
.flow .step h4{margin:8px 0 6px;font-size:14.5px}
.flow .step p{margin:0;font-size:13px;color:var(--muted);line-height:1.7}

/* 待补充标记 */
.todo{display:inline-block;font-size:11.5px;font-weight:700;color:#9a6b1f;background:#fdf3e0;
  border:1px solid #f0dcb8;border-radius:6px;padding:2px 8px;vertical-align:middle}

/* 移动端吸底 CTA */
.mobile-cta{display:none}
@media(max-width:820px){
  .mobile-cta{display:grid;grid-template-columns:1fr 1fr;gap:0;position:fixed;left:0;right:0;bottom:0;z-index:70;
    box-shadow:0 -6px 20px rgba(0,0,0,.12)}
  .mobile-cta a{display:block;text-align:center;padding:15px 8px;font-size:15px;font-weight:700}
  .mobile-cta a.q{background:var(--action);color:#fff}
  .mobile-cta a.w{background:var(--deep);color:#fff}
  body{padding-bottom:56px}
  .wa-float{bottom:72px}
}

/* 章节标题更紧凑 */
.h2-tight{font-size:clamp(23px,2.7vw,31px);line-height:1.3;margin:0 0 12px;letter-spacing:-.01em}

/* ============================================================
   v4 设计文档 v1.0 组件
   ============================================================ */
/* 头部：Products 下拉 + 语言选择 */
.nav .has-sub{position:relative}
.nav .has-sub>a::after{content:"";display:inline-block;margin-left:5px;border:4px solid transparent;border-top-color:currentColor;transform:translateY(-1px)}
.nav .sub{position:absolute;top:100%;left:-14px;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:0 14px 34px rgba(16,40,26,.12);padding:8px;display:none;z-index:60}
.nav .has-sub:hover .sub,.nav .has-sub:focus-within .sub{display:block}
.nav .sub a{display:block;padding:9px 12px;border-radius:8px;font-size:14px;color:var(--ink-soft)}
.nav .sub a:hover{background:var(--tint);color:var(--deep);text-decoration:none}
.lang-wrap{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--muted);
  background:none;border:1px solid var(--line);border-radius:999px;padding:7px 12px;cursor:pointer;font-family:inherit}
.lang-btn:hover{border-color:var(--action);color:var(--deep)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:210px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:0 14px 34px rgba(16,40,26,.14);padding:8px;display:none;z-index:70;max-height:340px;overflow:auto}
.lang-menu.open{display:block}
.lang-menu a{display:flex;justify-content:space-between;gap:10px;padding:9px 12px;border-radius:8px;font-size:14px;color:var(--ink-soft)}
.lang-menu a:hover{background:var(--tint);text-decoration:none}
.lang-menu a .soon{font-size:11px;color:#b07d2b;background:#fdf3e0;border-radius:5px;padding:1px 6px}

/* 轮播 */
.carousel{position:relative;overflow:hidden;background:var(--deep);color:#fff}
.carousel .slides{position:relative;height:clamp(440px,64vh,680px)}
.carousel .slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;display:flex;align-items:center;justify-content:center;text-align:center}
.carousel .slide.on{opacity:1}
.carousel .slide .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.carousel .slide .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,44,28,.55),rgba(12,44,28,.72))}
.carousel .inner{position:relative;max-width:900px;padding:0 24px}
.carousel h1,.carousel h2{font-size:clamp(26px,3.4vw,44px);line-height:1.24;margin:0 0 18px;letter-spacing:-.01em;
  text-shadow:0 2px 18px rgba(0,0,0,.35)}
.carousel .slogan{font-size:clamp(18px,2vw,24px);font-weight:700;color:#7BD389;margin:0 0 10px;letter-spacing:.01em}
.carousel .sub{font-size:clamp(14px,1.5vw,17px);color:#e6f0ea;max-width:640px;margin:0 auto 26px;line-height:1.8}
.carousel .wm{position:absolute;right:26px;bottom:22px;font-size:clamp(26px,4vw,56px);font-weight:800;
  letter-spacing:.14em;color:rgba(255,255,255,.32);pointer-events:none;user-select:none}
.carousel .dots{position:absolute;left:0;right:0;bottom:16px;display:flex;gap:8px;justify-content:center;align-items:center}
.carousel .dots button{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.45);cursor:pointer;padding:0}
.carousel .dots button.on{background:#fff;width:24px;border-radius:5px}
.carousel .arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(255,255,255,.4);background:rgba(0,0,0,.18);color:#fff;cursor:pointer;font-size:18px;line-height:1}
.carousel .arrow.prev{left:18px}.carousel .arrow.next{right:18px}
@media(max-width:820px){.carousel .arrow{display:none}.carousel .wm{right:14px;bottom:14px;opacity:.8}}

/* Why choose us */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:980px){.why{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.why{grid-template-columns:1fr}}
.why .item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.why .ico{width:44px;height:44px;border-radius:12px;background:var(--green-light);color:var(--deep);
  display:grid;place-items:center;font-weight:800;font-size:17px;margin-bottom:16px}
.why h3{margin:0 0 10px;font-size:16.5px;line-height:1.4}
.why p{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.8}

/* 产品分类（左文右图磁贴） */
.cats{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start}
@media(max-width:980px){.cats{grid-template-columns:1fr}}
.cats .intro h2{font-size:clamp(22px,2.6vw,30px);margin:0 0 12px}
.cats .intro p{color:var(--ink-soft);font-size:14.5px;line-height:1.85;margin:0 0 18px}
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cat-grid a{position:relative;display:block;border-radius:14px;overflow:hidden;aspect-ratio:4/3}
.cat-grid a.big{grid-column:1 / -1;aspect-ratio:16/7}
.cat-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cat-grid a:hover img{transform:scale(1.05)}
.cat-grid .lab{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(0deg,rgba(8,32,20,.85),rgba(8,32,20,0));color:#fff}
.cat-grid .lab b{display:block;font-size:15.5px;line-height:1.3}
.cat-grid .lab span{font-size:12.5px;color:#cfe0d6}

/* 热销产品 */
.hot{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.hot{grid-template-columns:1fr}}
.hot a{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.hot .ph{aspect-ratio:3/4;background:#f7f9f7;display:grid;place-items:center;padding:18px}
.hot .ph img{max-width:100%;max-height:100%;object-fit:contain}
.hot .tx{padding:18px 20px 22px}
.hot h3{margin:0 0 6px;font-size:16px}
.hot .grade{font-size:13px;color:var(--action);font-weight:700;letter-spacing:.04em}
.hot p{margin:8px 0 0;font-size:13.5px;color:var(--muted);line-height:1.7}

/* 服务 */
.svc{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:980px){.svc{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.svc{grid-template-columns:1fr}}
.svc .s{background:#fff;border-left:3px solid var(--action);border-radius:10px;padding:22px 22px 24px;
  box-shadow:0 1px 0 var(--line)}
.svc h3{margin:0 0 8px;font-size:15.5px}
.svc p{margin:0;font-size:13.5px;color:var(--ink-soft);line-height:1.8}

/* 认证墙 */
.certs{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:center}
.certs .c{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 22px;
  font-weight:800;color:#5a6b61;letter-spacing:.04em;font-size:14px}
.certs-note{text-align:center;font-size:12.5px;color:var(--muted);margin-top:16px}

/* 关于简版 */
.about-brief{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
@media(max-width:980px){.about-brief{grid-template-columns:1fr}}
.about-brief .nums{display:flex;gap:28px;margin:22px 0 26px;flex-wrap:wrap}
.about-brief .nums b{display:block;font-size:26px;color:var(--deep);font-variant-numeric:tabular-nums}
.about-brief .nums span{font-size:12.5px;color:var(--muted)}
.about-brief .pic{border-radius:14px;overflow:hidden}
.about-brief .pic img{width:100%;height:100%;object-fit:cover;display:block}

/* 新页脚 */
.f4{background:#f4f6f3;color:var(--ink);padding:56px 0 0;border-top:1px solid var(--line)}
.f4 .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:34px}
@media(max-width:900px){.f4 .cols{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.f4 .cols{grid-template-columns:1fr}}
.f4 h4{font-size:14px;margin:0 0 14px;color:var(--deep)}
.f4 ul{list-style:none;padding:0;margin:0}
.f4 li{margin-bottom:9px;font-size:13.5px;color:#4b5c52}
.f4 a{color:#3f5147}
.f4 a:hover{color:var(--action)}
.f4 .quick{display:flex;flex-wrap:wrap;gap:8px 16px;margin:14px 0 16px;font-size:13px}
.f4 .social{display:flex;gap:10px;margin-top:6px}
.f4 .social a{width:34px;height:34px;border-radius:9px;background:#e6ebe6;display:grid;place-items:center;font-size:12px;font-weight:700;color:#4b5c52}
.f4 .bottom{border-top:1px solid #dfe5df;margin-top:40px;padding:18px 0;font-size:12.5px;color:#6b7d73;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* 产品中心左右布局 */
.product-layout{display:grid;grid-template-columns:260px 1fr;gap:38px;align-items:start}
@media(max-width:900px){.product-layout{grid-template-columns:1fr}}
.side{position:sticky;top:88px}
@media(max-width:900px){.side{position:static}}
.side-title{background:var(--action);color:#fff;font-size:13.5px;font-weight:700;padding:10px 14px;
  border-radius:8px 8px 0 0;margin:0}
.side-list{list-style:none;margin:0 0 22px;padding:0;border:1px solid var(--line);border-top:0;border-radius:0 0 8px 8px;background:#fff}
.side-list li{border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list a{display:block;padding:11px 14px;font-size:13.5px;color:var(--ink-soft)}
.side-list a:hover{background:var(--tint);color:var(--deep);text-decoration:none}
.side-list li.on a{background:var(--green-light);color:var(--deep);font-weight:700}
.side-list.small a{font-size:12.5px;padding:10px 14px;line-height:1.5}

/* ============================================================
   v5 —— 按《修改意见1》修订
   1 主色调改亮（清新绿 + 白底）
   2 全站分区标题统一放大
   3 删除分节废话，压缩留白
   4 Why choose us / PRODUCT CLASSIFICATION / HOT PRODUCT / 认证 / 伙伴 重排
   ============================================================ */
:root{
  --ink:#16211B;
  --ink-soft:#3D4C44;
  --muted:#6B7A72;
  --line:#E3EAE1;
  --tint:#F4F8F0;
  --brand:#4CA648;
  --brand-dark:#2E7D32;
  --brand-light:#EAF4E4;
  --sand:#FAF7EE;
  --deep:#2F6B33;
}
body{background:#fff;color:var(--ink)}

/* 统一分区标题 */
.sec{padding:76px 0}
@media(max-width:700px){.sec{padding:52px 0}}
.sec-head{margin-bottom:38px}
.sec-head .kicker{font-size:13px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin:0 0 12px}
.sec-head h2{font-size:clamp(30px,3.5vw,44px);line-height:1.18;letter-spacing:-.02em;margin:0;color:#111}
.sec-head h2 .g{color:var(--brand)}
.sec-head p{font-size:15px;color:var(--muted);margin:14px 0 0;max-width:760px;line-height:1.75}

/* 按钮 */
.btn{border-radius:6px}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn-outline{border:1.5px solid #B9C6B6;color:#22302A;background:#fff;border-radius:6px;padding:12px 22px;font-weight:700}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark)}

/* 头部（更亮、更矮） */
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.header-inner{min-height:70px}
.nav a{color:#2A3A31;font-weight:600}
.nav a:hover{color:var(--brand)}
.nav .nav-cta{background:var(--brand);border-radius:6px;padding:10px 18px;color:#fff}
.lang-btn{border:1px solid var(--line);border-radius:6px}

/* 轮播（浅色遮罩，不用黑绿压屏） */
.carousel .slides{height:clamp(420px,58vh,620px)}
.carousel .slide .veil{background:linear-gradient(90deg,rgba(12,26,18,.72) 0%,rgba(12,26,18,.45) 55%,rgba(12,26,18,.18) 100%)}
.carousel .inner{max-width:1180px;margin:0 auto;padding:0 24px;text-align:left;width:100%}
.carousel .slogan{color:#B7F0A8;font-size:clamp(15px,1.4vw,19px);letter-spacing:.02em;margin-bottom:14px}
.carousel h1,.carousel h2{font-size:clamp(30px,4vw,54px);line-height:1.14;margin:0 0 22px;max-width:760px}
.carousel .sub{max-width:560px;margin:0 0 28px;font-size:clamp(14px,1.3vw,16px)}
.carousel .wm{font-size:clamp(20px,2.4vw,34px);color:rgba(255,255,255,.22);letter-spacing:.22em}

/* Why choose us：左文右图 + 3 条 */
.why2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:900px){.why2{grid-template-columns:1fr;gap:32px}}
.why2 .list{list-style:none;margin:30px 0 0;padding:0}
.why2 .list li{display:flex;gap:16px;margin-bottom:26px}
.why2 .ic{width:46px;height:46px;flex:0 0 auto;border-radius:50%;background:var(--brand-light);
  display:grid;place-items:center;font-size:20px;color:var(--brand-dark)}
.why2 h3{margin:0 0 6px;font-size:17px;color:#111}
.why2 p{margin:0;font-size:14px;color:var(--muted);line-height:1.7}
.why2 .pic{border-radius:6px;overflow:hidden;aspect-ratio:4/3}
.why2 .pic img{width:100%;height:100%;object-fit:cover;display:block}

/* 产品分类：参考版式（左文 + 大块，右侧 2×2） */
.pc{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px}
@media(max-width:960px){.pc{grid-template-columns:1fr}}
.pc-left{display:flex;flex-direction:column;gap:22px}
.pc-txt{padding:26px 26px 6px}
.pc-txt h2{font-size:clamp(28px,3vw,40px);line-height:1.1;letter-spacing:-.02em;margin:0 0 16px;color:#111}
.pc-txt h2 .g{color:var(--brand);display:block}
.pc-txt p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.pc-tile{position:relative;display:block;border-radius:6px;overflow:hidden;background:#111}
.pc-tile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.pc-tile:hover img{transform:scale(1.04)}
.pc-tile .lab{position:absolute;left:20px;top:18px;color:#fff;font-size:17px;font-weight:800;text-shadow:0 1px 8px rgba(0,0,0,.5)}
.pc-tile .desc{position:absolute;left:20px;bottom:20px;right:60px;color:#EAF3E6;font-size:13px;line-height:1.6;text-shadow:0 1px 8px rgba(0,0,0,.5)}
.pc-tile .go{position:absolute;left:20px;bottom:18px;width:30px;height:30px;border-radius:50%;
  background:#fff;color:#16211B;display:grid;place-items:center;font-size:14px}
.pc-big{aspect-ratio:16/9}
.pc-grid2{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:22px}
.pc-grid2 .pc-tile{aspect-ratio:auto;min-height:180px}
@media(max-width:600px){.pc-grid2{grid-template-columns:1fr;grid-template-rows:none}
  .pc-grid2 .pc-tile{min-height:180px}}

/* Hot product：一行横向滚动 */
.hot-scroll{position:relative}
.hot-track{display:flex;gap:22px;overflow-x:auto;scroll-behavior:smooth;padding-bottom:8px;
  scrollbar-width:none}
.hot-track::-webkit-scrollbar{display:none}
.hot-card{flex:0 0 calc((100% - 44px)/3);background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}
@media(max-width:900px){.hot-card{flex:0 0 calc((100% - 22px)/2)}}
@media(max-width:600px){.hot-card{flex:0 0 86%}}
.hot-card .ph{aspect-ratio:1/1;background:#F7F9F5;display:grid;place-items:center;padding:22px}
.hot-card .ph img{max-width:100%;max-height:100%;object-fit:contain}
.hot-card .tx{padding:16px 18px 20px}
.hot-card h3{margin:0;font-size:16px;line-height:1.4}
.hot-card .g{color:var(--brand);font-weight:800;font-size:13px;letter-spacing:.04em;margin-bottom:6px}
.hot-nav{position:absolute;top:38%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:#24352C;cursor:pointer;z-index:5;font-size:16px}
.hot-nav.prev{left:-18px}.hot-nav.next{right:-18px}
@media(max-width:760px){.hot-nav{display:none}}

/* 认证 logo 行 */
.cert-row{display:flex;flex-wrap:wrap;justify-content:center;gap:26px;align-items:center}
.cert-row .box{background:#fff;border:1px solid var(--line);border-radius:6px;padding:14px 22px;
  display:grid;place-items:center;min-width:130px;height:76px}
.cert-row img{max-height:48px;max-width:110px;object-fit:contain;filter:grayscale(100%);opacity:.85}
.cert-row .box:hover img{filter:none;opacity:1}

/* 关于简版 */
.ab2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:900px){.ab2{grid-template-columns:1fr}}
.ab2 p{font-size:16px;line-height:1.95;color:var(--ink-soft);margin:0 0 26px}
.ab2 .pic{border-radius:6px;overflow:hidden;aspect-ratio:4/3}
.ab2 .pic img{width:100%;height:100%;object-fit:cover}

/* 服务 */
.svc2{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:980px){.svc2{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.svc2{grid-template-columns:1fr}}
.svc2 .s{background:var(--tint);border-radius:6px;padding:26px}
.svc2 .s .ic{width:40px;height:40px;border-radius:50%;background:#fff;display:grid;place-items:center;
  font-size:18px;color:var(--brand-dark);margin-bottom:16px}
.svc2 h3{margin:0 0 8px;font-size:16px}
.svc2 p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.7}

/* 伙伴 */
.part2{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:800px){.part2{grid-template-columns:1fr}}
.part2 .p{border:1px solid var(--line);border-radius:6px;padding:34px 24px;text-align:center;background:#fff}
.part2 .p .nm{font-size:18px;font-weight:800;color:#1F2E26;margin-bottom:10px}
.part2 .p .ds{font-size:13px;color:var(--muted);line-height:1.7}
.part2 .p a{color:var(--brand-dark);font-weight:700;font-size:14px}

/* 页脚（保持浅色） */
.f4{background:#F6F8F4;padding:58px 0 0}
.f4 h4{font-size:14.5px;color:#1F2E26;margin:0 0 16px}
.f4 li{font-size:13.5px;line-height:1.9}
.f4 a{color:#4A5B51}
.f4 .bottom{border-top:1px solid #E1E8DD}

/* About 页 */
.page-banner{background:var(--tint);border-bottom:1px solid var(--line);padding:56px 0 44px}
.page-banner h1{font-size:clamp(34px,4.4vw,56px);font-weight:800;letter-spacing:.02em;margin:0;color:#111}
.about-intro{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
@media(max-width:900px){.about-intro{grid-template-columns:1fr;gap:30px}}
.about-h2{font-size:clamp(24px,2.6vw,32px);margin:0 0 22px;letter-spacing:-.01em}
.about-intro p{font-size:15.5px;line-height:1.95;color:var(--ink-soft);margin:0 0 18px}
.about-pic{border-radius:6px;overflow:hidden;aspect-ratio:4/3}
.about-pic img{width:100%;height:100%;object-fit:cover}
.qc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:980px){.qc-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.qc-grid{grid-template-columns:1fr}}
.qc{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px}
.qc .n{display:block;font-size:13px;font-weight:800;color:var(--brand);margin-bottom:12px;letter-spacing:.08em}
.qc h3{margin:0 0 8px;font-size:16px}
.qc p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.7}

/* v5 兼容：内页旧结构标题统一（避免旧页标题过小） */
.section-head{margin-bottom:38px}
.section-head h2,.h2-tight{font-size:clamp(28px,3.3vw,40px) !important;line-height:1.2;letter-spacing:-.02em;margin:0 0 10px;color:#111}
.eyebrow{font-size:13px !important;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--brand) !important;margin:0 0 10px}
.page-title,.p-title{font-size:clamp(30px,3.8vw,46px) !important;line-height:1.15;letter-spacing:-.02em;margin:0 0 14px;color:#111}
.section-sub{font-size:14.5px !important;color:var(--muted) !important;line-height:1.8}
.lead-p{font-size:15.5px;line-height:1.9;color:var(--ink-soft)}
.prose h2{font-size:clamp(22px,2.4vw,30px);margin:36px 0 12px}
.prose h3{font-size:17px;margin:24px 0 8px}
.prose p{font-size:15px;line-height:1.95;color:var(--ink-soft)}
.cta-band{background:var(--brand) !important}
.cta-band h2{font-size:clamp(24px,2.8vw,34px)}
.cta-band .btn-primary{background:#fff;color:var(--brand-dark);border-color:#fff}

/* v5.1 —— 按意见 1–14 */
/* M1 语言按钮位置（去掉 Get a Quote 后） */
.nav .lang-wrap{margin-left:6px}

/* 翻译组件容器：不能用 display:none，否则初始化失败 */
#google_translate_element{position:absolute;left:-9999px;top:0;width:1px;height:1px;overflow:hidden}
.goog-te-banner-frame{display:none !important}
body{top:0 !important}

/* M3 浅色底 */
.sec-tint{background:var(--tint)}

/* M4 等高 + 底对齐 */
.pc{align-items:stretch}
.pc-left{gap:22px}
.pc-txt{padding:26px 26px 10px}
.pc-big{flex:1 1 auto;min-height:260px;aspect-ratio:auto}
.pc-big img{height:100%;width:100%;object-fit:cover}
.pc-grid2{align-items:stretch}
.pc-grid2 .pc-tile{height:100%;min-height:0}

/* M5 标题居中 */
.hot-head{text-align:center;margin-bottom:34px}
.hot-head h2{font-size:clamp(30px,3.5vw,44px);font-weight:800;letter-spacing:-.02em;margin:0}
.hot-head h2 .g{color:var(--brand)}

/* M6 关于标题 */
.ab2 .sec-head h2{font-size:clamp(30px,3.4vw,42px) !important;line-height:1.15}
.ab2 .big-title{font-size:clamp(30px,3.4vw,42px);font-weight:800;letter-spacing:-.02em;margin:0 0 20px;color:#111}
.ab2 .big-title .g{color:var(--brand)}

/* M7 服务卡：标签放大 + 居中 */
.svc2 .s{text-align:center;padding:32px 22px}
.svc2 .s .ic{margin:0 auto 16px}
.svc2 h3{font-size:19px;margin:0 0 10px}
.svc2 p{font-size:13.5px}

/* M8 认证 logo 放大 */
.cert-row{gap:30px}
.cert-row .box{min-width:150px;height:104px;padding:16px 22px}
.cert-row img{max-height:72px;max-width:132px}

/* M9 伙伴标题 */
.part-head{text-align:center;margin-bottom:34px}
.part-head h2{font-size:clamp(30px,3.5vw,44px);font-weight:800;letter-spacing:-.02em;margin:0;color:#111}
.part-head h2 .g{color:var(--brand)}

/* ===== v6：静态多语言 + 图标 + 版式修正 ===== */
/* 语言按钮与菜单（cynsley 式三列网格） */
.lang-btn{display:flex;align-items:center;gap:7px;font-size:13.5px;border:1px solid var(--line);
  border-radius:6px;padding:8px 12px;background:#fff;cursor:pointer;font-family:inherit;color:#2A3A31}
.lang-btn:hover{border-color:var(--brand);color:var(--brand-dark)}
.lang-btn .lf,.lang-menu .lf{width:20px;height:15px;object-fit:cover;border-radius:2px;display:inline-block}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);width:560px;max-height:420px;overflow:auto;
  background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 18px 44px rgba(16,40,26,.16);
  padding:10px;display:none;grid-template-columns:repeat(3,1fr);gap:2px;z-index:90}
.lang-menu.open{display:grid}
.lang-menu a{display:flex;align-items:center;gap:9px;padding:9px 10px;font-size:13px;color:#2A3A31;border-radius:6px}
.lang-menu a:hover{background:var(--tint);text-decoration:none;color:var(--brand-dark)}
@media(max-width:700px){.lang-menu{width:92vw;right:-60px;grid-template-columns:repeat(2,1fr)}}

/* M3/M4 间距 */
.pc-sec{padding-top:76px}

/* M7 标题居中 + 大图标 */
.svc-head{text-align:center;margin-bottom:46px}
.svc-head h2{font-size:clamp(30px,3.5vw,44px);font-weight:800;letter-spacing:-.02em;margin:0;color:#111}
.svc2 .s .ic{width:104px;height:104px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;margin:0 auto 20px}
.svc2 .s .ic svg{width:52px;height:52px;stroke:var(--brand-dark);fill:none;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round}
.svc2 .s{text-align:center}

/* M8 认证一行 + 横向滚动 */
.cert-strip{position:relative}
.cert-track{display:flex;gap:24px;overflow-x:auto;scrollbar-width:none;padding:6px 2px 10px;justify-content:safe center}
.cert-track::-webkit-scrollbar{display:none}
.cert-track .box{flex:0 0 auto;background:#fff;border:1px solid var(--line);border-radius:6px;
  min-width:158px;height:110px;display:grid;place-items:center;padding:14px 20px}
.cert-track img{max-height:76px;max-width:140px;object-fit:contain;filter:grayscale(100%);opacity:.88}
.cert-track .box:hover img{filter:none;opacity:1}
.cert-nav{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:#24352C;cursor:pointer;z-index:5;font-size:16px}
.cert-nav.prev{left:-16px}.cert-nav.next{right:-16px}
@media(max-width:760px){.cert-nav{display:none}.cert-track{justify-content:flex-start}}

/* RTL 适配 */
html[dir="rtl"] body{direction:rtl}
html[dir="rtl"] .nav,html[dir="rtl"] .footer .cols{flex-direction:row-reverse}

/* ===== v6.1 语言选择器间距与按钮状态 ===== */
.lang-btn{gap:6px !important;padding:7px 10px !important}
.lang-btn .lf{width:21px !important;height:15px !important;margin:0 !important}
.lang-menu{width:520px !important;padding:8px !important;gap:0 !important}
.lang-menu a{display:flex;align-items:center;gap:5px !important;padding:8px 8px !important;
  font-size:13px;line-height:1.2;border-radius:6px}
.lang-menu a .lf{width:21px !important;height:15px !important;flex:0 0 21px;margin:0 !important}
.lang-menu a span{display:inline;margin:0}
@media(max-width:700px){.lang-menu{width:94vw !important;right:-40px !important}}

/* 当前语言高亮 */
.lang-menu a.on{background:var(--brand-light);color:var(--brand-dark);font-weight:700}
.lang-menu a.on::after{content:"✓";margin-left:auto;font-weight:700;color:var(--brand)}
.lang-menu a{display:flex;align-items:center}

/* ===== v6.2 语言菜单最终修正 ===== */
/* 头部与菜单永远 LTR，避免阿拉伯语把导航翻乱 */
.site-header,.lang-menu,.lang-btn{direction:ltr !important}
.lang-menu{width:520px !important;padding:8px !important;gap:0 !important;
  grid-template-columns:repeat(3,1fr) !important}
.lang-menu a{display:flex !important;align-items:center !important;
  justify-content:flex-start !important;gap:6px !important;
  padding:8px 8px !important;font-size:13px !important;line-height:1.25 !important;
  white-space:nowrap;text-align:left}
.lang-menu a .lf{width:21px !important;height:15px !important;flex:0 0 21px !important;margin:0 !important;border-radius:2px}
.lang-menu a span{flex:0 0 auto;margin:0 !important;padding:0 !important}
.lang-menu a.on::after{content:"✓";margin-left:auto;color:var(--brand);font-weight:800}
.lang-btn{justify-content:flex-start !important;gap:6px !important}
.lang-btn .lf{width:21px !important;height:15px !important;flex:0 0 21px !important;margin:0 !important}
@media(max-width:700px){
  .lang-menu{width:94vw !important;right:-30px !important;grid-template-columns:repeat(2,1fr) !important}
}