/* ==========================================================================
   Laeyo Biotechnology — Global stylesheet
   全站共用。想改颜色，只改下面 :root 里的数值，所有页面一起变。
   ========================================================================== */

:root{
  --ink:#101820;
  --body:#4E5A66;
  --muted:#8A939C;
  --accent:#0E5C4A;
  --accent-dark:#0A4437;
  --accent-soft:#EAF2EF;
  --bg:#FFFFFF;
  --bg-alt:#F7F5F2;
  --line:#E5E1DB;
  --radius:14px;
  --radius-lg:22px;
  --maxw:1180px;
  --shadow:0 1px 2px rgba(16,24,32,.04), 0 14px 34px -16px rgba(16,24,32,.18);
  --font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --font-serif:'Fraunces',Georgia,'Times New Roman',serif;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.65;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}

h1,h2,h3,h4{
  color:var(--ink);
  margin:0 0 .55em;
  line-height:1.16;
  font-weight:600;
  letter-spacing:-.015em;
}
h1{font-family:var(--font-serif);font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:600}
h2{font-family:var(--font-serif);font-size:clamp(1.65rem,3.1vw,2.4rem);font-weight:600}
h3{font-size:1.15rem;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-tight{padding:64px 0}

.eyebrow{
  display:inline-block;
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:16px;
}
.lead{font-size:1.09rem;color:var(--body)}
.section-head{max-width:720px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;
  border-radius:999px;
  font-size:.94rem;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:#fff}
.btn-light{background:#fff;color:var(--accent)}
.btn-light:hover{background:var(--accent-soft)}
.btn-sm{padding:10px 20px;font-size:.86rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:1.25rem;font-weight:600;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{color:var(--ink);font-size:1.05rem;letter-spacing:.09em;font-weight:600}
.brand-text small{color:var(--muted);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase}

.site-nav{display:flex;align-items:center;gap:26px}
.site-nav a{font-size:.9rem;font-weight:500;color:var(--body);transition:color .16s ease}
.site-nav a:hover{color:var(--accent)}
.site-nav a.is-active{color:var(--ink);font-weight:600}
.site-nav .btn{margin-left:6px}

.nav-burger{
  display:none;width:44px;height:44px;
  background:none;border:1px solid var(--line);border-radius:11px;
  cursor:pointer;padding:0;place-items:center;
}
.nav-burger span{display:block;width:18px;height:1.8px;background:var(--ink);margin:4px auto;border-radius:2px}

/* ---------- 导航下拉菜单（Products） ---------- */
.nav-item{position:relative;display:flex;align-items:center}
.nav-item > a{display:inline-flex;align-items:center;gap:7px}
.caret{
  width:5px;height:5px;flex-shrink:0;
  border-right:1.4px solid currentColor;border-bottom:1.4px solid currentColor;
  transform:rotate(45deg) translate(-1px,-1px);
  transition:transform .18s ease;
}
.nav-item:hover .caret{transform:rotate(225deg) translate(-2px,-2px)}

.dropdown{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  padding-top:16px;                    /* 过桥区域，鼠标从文字移到菜单不会掉 */
  opacity:0;visibility:hidden;z-index:80;
  transition:opacity .16s ease,visibility .16s ease;
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown{opacity:1;visibility:visible}

.dropdown-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:8px;min-width:248px;
  box-shadow:0 18px 42px -18px rgba(16,24,32,.3);
}
.dropdown-inner a{
  display:block;padding:11px 14px;border-radius:9px;
  font-size:.89rem;font-weight:500;color:var(--body);
  white-space:nowrap;
  transition:background .14s ease,color .14s ease;
}
.dropdown-inner a:hover{background:var(--accent-soft);color:var(--accent)}

/* ---------- Hero ---------- */
/* ---------- 首页顶部：全宽图片轮播 ---------- */
.hero-slider{
  position:relative;
  display:grid;                 /* 三张幻灯片叠在同一格，容器高度取最高者 */
  overflow:hidden;
  background:#0A4437;
  border-bottom:1px solid var(--line);
}

.hs-slide{
  grid-area:1/1;
  position:relative;
  display:flex;flex-direction:column;justify-content:center;
  min-height:clamp(500px,60vh,660px);
  padding:76px 0 88px;
  opacity:0;visibility:hidden;
  transition:opacity .85s ease,visibility .85s ease;
}
.hs-slide.is-active{opacity:1;visibility:visible}
/* 让 .wrap 撑满，否则会被内容撑成收缩宽度、导致文案无法与页头左对齐 */
.hs-slide > .wrap{width:100%}

/* 每张幻灯片在没有照片时露出的底色（有照片时被完全盖住） */
.hs-slide-1{background:linear-gradient(135deg,#0E5C4A 0%,#083A2E 100%)}
.hs-slide-2{background:linear-gradient(135deg,#12463C 0%,#0A2B24 100%)}
.hs-slide-3{background:linear-gradient(135deg,#12232B 0%,#0A4437 100%)}

/* 图片层：照片缺失时这层是空的，露出上面的底色，不会显得"坏掉" */
.hs-bg{
  position:absolute;inset:0;
  /* 40% 而非 center：宽屏时背景图会被上下裁切，往下偏一点才能保住产品主体 */
  background-size:cover;background-position:center 40%;background-repeat:no-repeat;
  transform:scale(1);
}
.hs-slide.is-active .hs-bg{animation:hsZoom 9s ease-out forwards}
@keyframes hsZoom{from{transform:scale(1)}to{transform:scale(1.07)}}

/* 文字可读性遮罩：左边重、右边轻，配合左对齐文案 */
/* 这三张轮播图是浅色丝绸/水面底，所以中段遮罩比常规深色图更厚，保证白字始终清晰 */
.hs-scrim{
  position:absolute;inset:0;
  background:linear-gradient(100deg,
    rgba(6,22,18,.90) 0%,
    rgba(6,22,18,.78) 40%,
    rgba(6,22,18,.46) 70%,
    rgba(6,22,18,.22) 100%);
}

.hs-caption{position:relative;z-index:2;max-width:730px}
.hs-eyebrow{
  display:inline-block;
  font-size:.73rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:#fff;background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.28);
  padding:7px 15px;border-radius:999px;margin-bottom:24px;
}
.hs-title{
  font-family:var(--font-serif);
  font-size:clamp(2.05rem,4.6vw,3.45rem);
  font-weight:600;line-height:1.1;letter-spacing:-.02em;
  color:#fff;margin:0 0 22px;
}
.hs-text{
  font-size:1.09rem;line-height:1.65;color:rgba(255,255,255,.83);
  max-width:600px;margin:0 0 34px;
}
.hs-actions{display:flex;flex-wrap:wrap;gap:14px}

/* 左右箭头 */
/* 白底 + 深色图标：左箭头压在深色遮罩上、右箭头压在浅色照片上，两种底色都看得见 */
.hs-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:48px;height:48px;border-radius:50%;padding:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.90);
  border:1px solid rgba(16,24,32,.10);
  color:var(--ink);cursor:pointer;
  box-shadow:0 2px 12px rgba(16,24,32,.14);
  transition:background .2s ease,border-color .2s ease;
}
.hs-arrow:hover{background:#fff;border-color:rgba(16,24,32,.24)}
.hs-arrow svg{width:19px;height:19px}
.hs-prev{left:22px}
.hs-next{right:22px}

/* 圆点指示器 */
/* 深色圆点：浅色照片上清楚；活动圆点用品牌绿 */
.hs-dots{
  position:absolute;left:50%;bottom:30px;transform:translateX(-50%);
  z-index:4;display:flex;gap:9px;
}
.hs-dot{
  width:9px;height:9px;border-radius:999px;padding:0;
  background:rgba(16,24,32,.28);border:none;cursor:pointer;
  transition:width .3s ease,background .3s ease;
}
.hs-dot:hover{background:rgba(16,24,32,.50)}
.hs-dot.is-active{width:26px;background:var(--accent)}

/* ---------- Grid & cards ---------- */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px 30px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{border-color:#D5D0C7;transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3{margin-bottom:10px}
.card p{font-size:.95rem;margin-bottom:0}
.card-num{
  font-family:var(--font-serif);
  font-size:1.6rem;color:var(--accent);
  display:block;margin-bottom:14px;line-height:1;
}
.card-link{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:20px;font-size:.88rem;font-weight:600;color:var(--accent);
}
.card-link:hover{gap:11px}
.card-tag{
  display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--accent);
  background:var(--accent-soft);padding:5px 12px;border-radius:999px;margin-bottom:18px;
}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-reverse .split-media{order:2}
.split-media{
  background:var(--accent-soft);
  border-radius:var(--radius-lg);
  min-height:340px;
  display:flex;align-items:center;justify-content:center;
  padding:28px;
  color:var(--accent);
  font-size:.84rem;
  text-align:center;
  border:1px dashed #BFD6CF;
}
.split-media img{border-radius:var(--radius);width:100%}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.step{background:#fff;padding:30px 26px}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  font-size:.85rem;font-weight:600;margin-bottom:16px;
}
.step h3{font-size:1rem;margin-bottom:8px}
.step p{font-size:.9rem;margin-bottom:0}

/* ---------- Checklist ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 40px}
.checklist li{display:flex;gap:12px;font-size:.95rem;padding:11px 0;border-bottom:1px solid var(--line)}
.checklist li::before{
  content:"";flex-shrink:0;width:18px;height:18px;margin-top:3px;border-radius:5px;
  background:var(--accent-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E5C4A' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size:12px;background-position:center;background-repeat:no-repeat;
}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{
  cursor:pointer;list-style:none;
  padding:20px 40px 20px 0;position:relative;
  font-weight:600;color:var(--ink);font-size:1.02rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:1.4rem;font-weight:400;color:var(--accent);line-height:1;
}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 22px;font-size:.95rem;margin:0}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--accent);color:#fff;
  border-radius:var(--radius-lg);
  padding:64px 56px;
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
}
.cta-band h2{color:#fff;margin-bottom:12px;max-width:560px}
.cta-band p{color:rgba(255,255,255,.82);max-width:560px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Notice (开发用提示，上线前删除) ---------- */
.notice{
  background:#FFF8E8;border:1px dashed #D8A93B;border-radius:var(--radius);
  padding:20px 24px;font-size:.88rem;color:#7A5A10;
}
.notice strong{color:#5C4207}

/* ---------- Footer ---------- */
.site-footer{background:#0C1319;color:#94A1AC;padding:70px 0 30px;margin-top:0}
.site-footer h4{color:#fff;font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;margin-bottom:20px;font-weight:600}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-grid p{font-size:.9rem;margin-bottom:0}
.footer-grid li{margin-bottom:11px}
.footer-grid a{font-size:.9rem}
.footer-grid a:hover{color:#fff}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:#6B7A85}
.footer-brand .brand-mark{background:#1B7A62}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  padding-top:26px;font-size:.83rem;color:#6B7A85;
}

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:70;
  display:flex;align-items:center;gap:10px;
  background:#25D366;color:#fff;
  padding:13px 20px;border-radius:999px;
  font-size:.9rem;font-weight:600;
  box-shadow:0 8px 24px -6px rgba(37,211,102,.55);
  transition:transform .18s ease;
}
.wa-float:hover{transform:translateY(-2px)}
.wa-float svg{width:19px;height:19px;fill:#fff;flex-shrink:0}

/* ---------- Page hero（内页顶部，比首页矮一些） ---------- */
.page-hero{
  padding:72px 0 56px;
  background:radial-gradient(760px 340px at 82% -30%, var(--accent-soft) 0%, rgba(234,242,239,0) 70%), var(--bg);
  border-bottom:1px solid var(--line);
}
.page-hero h1{font-size:clamp(1.9rem,3.9vw,2.9rem);max-width:820px}
.page-hero .lead{max-width:680px;font-size:1.08rem}

/* 页内跳转按钮（锚点导航） */
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.anchor-nav a{
  padding:9px 18px;background:#fff;border:1px solid var(--line);border-radius:999px;
  font-size:.85rem;font-weight:500;color:var(--body);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.anchor-nav a:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}

/* ---------- 产品区块 ---------- */
.product-block{padding:84px 0;border-top:1px solid var(--line);scroll-margin-top:92px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 30px}
.panel h3{font-size:1.02rem;margin-bottom:18px}
.bullet-list li{position:relative;padding-left:22px;margin-bottom:11px;font-size:.94rem;line-height:1.55}
.bullet-list li:last-child{margin-bottom:0}
.bullet-list li::before{content:"";position:absolute;left:2px;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.prose{max-width:790px}
.prose h3{margin-top:38px;font-size:1.08rem}
.prose h3:first-child{margin-top:0}
.prose p{font-size:.98rem}
.faq-left{margin:0;max-width:820px}
.note-inline{
  background:var(--accent-soft);border-radius:var(--radius);padding:22px 26px;
  font-size:.93rem;color:var(--accent-dark);margin-top:30px;
}
.note-inline strong{color:var(--accent-dark)}

/* ---------- 工厂页：数据卡 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
}
.stat{background:#fff;padding:30px 22px;text-align:center}
.stat strong{
  display:block;font-family:var(--font-serif);font-size:1.8rem;font-weight:600;
  color:var(--accent);line-height:1.15;margin-bottom:8px;
}
.stat span{display:block;font-size:.83rem;color:var(--muted)}

/* ---------- 工厂页：图片墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gallery figure{margin:0}
.gallery .ph{
  aspect-ratio:4/3;background:var(--accent-soft);border:1px dashed #BFD6CF;
  border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:var(--accent);font-size:.82rem;line-height:1.5;padding:18px;
}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius)}
.gallery figcaption{font-size:.83rem;color:var(--muted);margin-top:10px}

/* ---------- 流程页：详细步骤 ---------- */
.step-detail{
  display:grid;grid-template-columns:56px 1fr;gap:26px;
  padding:36px 0;border-bottom:1px solid var(--line);
}
.step-detail:last-of-type{border-bottom:none}
.step-detail .step-num{width:42px;height:42px;font-size:.95rem;margin-bottom:0}
.step-detail h3{margin-bottom:12px;font-size:1.1rem}
.step-detail p{font-size:.96rem}
.step-meta{margin-top:16px;font-size:.88rem;color:var(--accent);font-weight:500}

/* ---------- 联系页：表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:54px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 34px}

.field{margin-bottom:20px}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--accent)}
.field input[type=text],
.field input[type=email],
.field input[type=tel],
.field input[type=url],
.field select,
.field textarea{
  width:100%;padding:13px 15px;
  font-size:.94rem;font-family:inherit;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:10px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234E5A66' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:42px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,92,74,.1);
}
.field textarea{min-height:132px;resize:vertical;line-height:1.6}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field-hint{font-size:.79rem;color:var(--muted);margin-top:7px;line-height:1.5}

.form-note{margin-top:18px;font-size:.8rem;line-height:1.6;color:var(--muted);padding-top:16px;border-top:1px solid var(--line)}

.check{display:flex;gap:11px;align-items:flex-start;font-size:.86rem;color:var(--body);line-height:1.55}
.check input{flex-shrink:0;width:16px;height:16px;margin-top:3px;accent-color:var(--accent)}

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.form-status{margin-top:20px;padding:16px 20px;border-radius:var(--radius);font-size:.9rem;line-height:1.6;display:none}
.form-status.ok{display:block;background:var(--accent-soft);color:var(--accent-dark);border:1px solid #BFD6CF}
.form-status.err{display:block;background:#FCEBEB;color:#A32D2D;border:1px solid #F7C1C1}

/* 联系页：右侧信息栏 */
.contact-side{display:flex;flex-direction:column;gap:16px}
.contact-item{background:var(--bg-alt);border-radius:var(--radius);padding:24px 26px}
.contact-item h3{font-size:.95rem;margin-bottom:9px}
.contact-item p{font-size:.93rem;margin:0;line-height:1.6}
.contact-item a{font-size:.93rem;color:var(--accent);font-weight:500}
.contact-item a:hover{text-decoration:underline}

/* ---------- 法务页（隐私政策 / 服务条款） ---------- */
.legal{max-width:780px}
.legal-meta{font-size:.82rem;color:var(--muted);margin-bottom:42px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.legal h2{font-family:var(--font-sans);font-size:1.12rem;font-weight:600;letter-spacing:-.01em;margin:44px 0 14px}
.legal h2:first-of-type{margin-top:0}
.legal p,.legal li{font-size:.95rem;line-height:1.68;color:var(--body)}
.legal ul{margin:0 0 1.1em}
.legal ul li{position:relative;padding-left:20px;margin-bottom:9px}
.legal ul li::before{content:"";position:absolute;left:2px;top:.66em;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.legal a{color:var(--accent);font-weight:500;text-decoration:underline;text-underline-offset:2px}
.legal strong{color:var(--ink)}

/* ---------- 流程步骤条（可换行的编号胶囊） ---------- */
.flow{display:flex;flex-wrap:wrap;gap:12px;counter-reset:step;margin:0;padding:0;list-style:none}
.flow li{
  counter-increment:step;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:11px 22px 11px 14px;
  font-size:.88rem;font-weight:500;color:var(--ink);
}
.flow li::before{
  content:counter(step);
  flex-shrink:0;width:23px;height:23px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:.72rem;font-weight:600;
}

/* ---------- 发展历程时间轴 ---------- */
.timeline{position:relative;padding-left:34px;border-left:1px solid var(--line);max-width:760px}
.timeline-item{position:relative;padding-bottom:38px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-39.5px;top:7px;
  width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--accent);
}
.timeline-year{
  display:block;font-family:var(--font-serif);font-size:1.05rem;
  font-weight:600;color:var(--accent);margin-bottom:5px;
}
.timeline-item h3{font-size:1rem;margin-bottom:6px}
.timeline-item p{font-size:.93rem;margin:0}

/* ---------- 资质证书卡 ---------- */
.cert{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;gap:16px;align-items:flex-start;
}
.cert-mark{
  flex-shrink:0;width:42px;height:42px;border-radius:11px;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:.68rem;font-weight:600;letter-spacing:.03em;text-align:center;line-height:1.1;
}
.cert h3{font-size:.98rem;margin-bottom:7px}
.cert p{font-size:.88rem;margin:0;color:var(--body);line-height:1.55}

/* ---------- 顶部信任条 ---------- */
.trust-row{
  display:flex;flex-wrap:wrap;gap:10px 12px;
  margin-top:38px;padding-top:30px;border-top:1px solid var(--line);
}
.trust-row span{
  font-size:.82rem;color:var(--accent);background:var(--accent-soft);
  padding:7px 15px;border-radius:999px;font-weight:500;
}

/* 轮播下方的信任条 */
.trust-strip{padding:30px 0;border-bottom:1px solid var(--line)}
.trust-strip .trust-row{margin-top:0;padding-top:0;border-top:none}

/* ---------- 博客：文章列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-grid-2{grid-template-columns:repeat(2,1fr)}

.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{border-color:#D5D0C7;transform:translateY(-3px);box-shadow:var(--shadow)}
.post-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.post-card h3{font-size:1.1rem;line-height:1.32;margin-bottom:11px}
.post-card h3 a:hover{color:var(--accent)}
.post-excerpt{font-size:.92rem;color:var(--body);margin-bottom:0}
.post-card .card-link{margin-top:auto;padding-top:22px}

/* 无照片时的占位封面：大号淡色衬线字母 */
.post-thumb{
  aspect-ratio:16/9;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--line);flex-shrink:0;
}
.post-thumb span{font-family:var(--font-serif);font-size:2.5rem;color:#B9D2C9;line-height:1}

.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;
  font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);margin-bottom:13px;
}
.post-meta .date{color:var(--muted);font-weight:500;letter-spacing:.06em}
.post-meta .sep{color:var(--line)}

/* 头条文章（列表页顶部） */
.post-featured{
  display:grid;grid-template-columns:1.15fr 1fr;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;margin-bottom:56px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.post-featured:hover{border-color:#D5D0C7;box-shadow:var(--shadow)}
.post-featured .post-body{padding:46px 48px;justify-content:center}
.post-featured .post-thumb{order:2;aspect-ratio:auto;border-bottom:none;border-left:1px solid var(--line)}
.post-featured .post-thumb span{font-size:3.6rem}
.post-featured h3{font-family:var(--font-serif);font-size:1.55rem;line-height:1.24;margin-bottom:15px}
.post-featured h3 a:hover{color:var(--accent)}
.post-featured .post-excerpt{font-size:.98rem}

/* ---------- 博客：文章正文 ---------- */
.page-hero.article-hero h1{font-size:clamp(1.7rem,3.4vw,2.5rem);max-width:780px}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
  font-size:.82rem;color:var(--muted);margin-top:24px;
}
.article-meta a{color:var(--accent);font-weight:500}
.article-meta a:hover{text-decoration:underline}

.article{max-width:740px}
.article-lead{font-size:1.11rem;color:var(--body);line-height:1.7;margin-bottom:0}
.article h2{
  font-family:var(--font-sans);font-size:1.3rem;font-weight:600;letter-spacing:-.01em;
  margin:48px 0 16px;scroll-margin-top:100px;
}
.article h3{font-size:1.04rem;margin:32px 0 12px;scroll-margin-top:100px}
.article p,.article li{font-size:1rem;line-height:1.75;color:var(--body)}
.article strong{color:var(--ink)}
.article a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
.article a:hover{text-decoration-thickness:2px}
.article ul,.article ol{margin:0 0 1.3em;padding:0;list-style:none}
.article ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article ul li::before{content:"";position:absolute;left:3px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.article ol{counter-reset:art}
.article ol li{counter-increment:art;position:relative;padding-left:34px;margin-bottom:13px}
.article ol li::before{
  content:counter(art);
  position:absolute;left:0;top:.18em;width:22px;height:22px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  font-size:.72rem;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.article blockquote{
  margin:32px 0;padding:6px 0 6px 24px;border-left:3px solid var(--accent);
}
.article blockquote p{font-family:var(--font-serif);font-size:1.09rem;color:var(--ink);margin:0;line-height:1.6}

/* 高亮提示框 */
.callout{background:var(--accent-soft);border-radius:var(--radius);padding:24px 28px;margin:32px 0}
.callout p{font-size:.95rem;margin-bottom:0;color:var(--accent-dark)}
.callout strong{color:var(--accent-dark)}
.callout .callout-title{
  display:block;font-size:.75rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase;
  color:var(--accent);margin-bottom:10px;
}

/* 表格（手机上可横向滑动） */
.table-scroll{overflow-x:auto;margin:30px 0;-webkit-overflow-scrolling:touch}
.table-scroll table{width:100%;border-collapse:collapse;margin:0;min-width:520px}
.table-scroll th{
  text-align:left;font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);padding:0 16px 12px 0;border-bottom:1px solid var(--ink);
}
.table-scroll td{
  padding:15px 16px 15px 0;border-bottom:1px solid var(--line);
  vertical-align:top;line-height:1.6;color:var(--body);font-size:.93rem;
}
.table-scroll td:first-child{color:var(--ink);font-weight:500}

/* 文章目录 */
.toc{background:var(--bg-alt);border-radius:var(--radius);padding:26px 30px;margin:0 0 46px}
.toc-title{
  font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin:0 0 15px;
}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc li{counter-increment:toc;margin-bottom:9px}
.toc li:last-child{margin-bottom:0}
.toc a{display:flex;gap:11px;font-size:.93rem;color:var(--body);text-decoration:none}
.toc a:hover{color:var(--accent)}
.toc a::before{content:counter(toc);flex-shrink:0;width:15px;color:var(--accent);font-weight:600;font-size:.8rem;padding-top:.14em}

/* 作者信息（提升 E-E-A-T，Google 会看） */
.author-box{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--bg-alt);border-radius:var(--radius);padding:26px 28px;margin-top:56px;
}
.author-avatar{
  flex-shrink:0;width:48px;height:48px;border-radius:50%;
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:1.15rem;
}
.author-box h4{font-size:.95rem;margin-bottom:7px}
.author-box p{font-size:.88rem;color:var(--muted);margin:0;line-height:1.6}

/* 相关文章 */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:36px}
.related-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 28px 26px;
  transition:border-color .2s ease,transform .2s ease;
}
.related-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.related-card .post-meta{margin-bottom:11px}
.related-card h3{font-size:1rem;line-height:1.35;margin-bottom:9px}
.related-card p{font-size:.9rem;color:var(--body);margin:0}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .grid-3,.steps{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:36px}
  .split-reverse .split-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{padding:48px 36px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:40px}

  /* 博客 */
  .post-grid{grid-template-columns:1fr 1fr}
  .post-featured{grid-template-columns:1fr}
  .post-featured .post-thumb{order:0;aspect-ratio:16/9;border-left:none;border-bottom:1px solid var(--line)}
  .post-featured .post-body{padding:36px 34px}

  /* 首页轮播 */
  .hs-title{font-size:clamp(1.85rem,5.2vw,2.6rem)}
  .hs-text{font-size:1.02rem}
  .hs-prev{left:14px}
  .hs-next{right:14px}
}

@media (max-width:760px){
  .section{padding:64px 0}

  .nav-burger{display:grid}
  .site-nav{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 24px 22px;
    display:none;
  }
  .site-nav.is-open{display:flex}
  .site-nav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:.95rem}
  .site-nav .btn{margin:18px 0 0;border-bottom:none;justify-content:center}

  /* 手机端：下拉菜单变成缩进的子列表，不用点开也不用 JS */
  .nav-item{display:block;position:static}
  .caret{display:none}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;padding:0}
  .dropdown-inner{border:none;box-shadow:none;padding:0;min-width:0;border-radius:0;background:none}
  .dropdown-inner a{
    padding:11px 0 11px 20px;border-radius:0;
    border-bottom:1px solid var(--line);
    font-size:.88rem;font-weight:400;color:var(--muted);white-space:normal;
  }

  .grid-3,.grid-2,.steps,.checklist{grid-template-columns:1fr}
  .steps{gap:1px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .cta-band{padding:40px 26px}
  .card{padding:28px 24px}
  .wa-float span{display:none}
  .wa-float{padding:15px;right:16px;bottom:16px}
}

@media (max-width:760px){
  .page-hero{padding:52px 0 40px}
  .product-block{padding:56px 0;scroll-margin-top:78px}
  .panel{padding:26px 22px}
  .stats{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .step-detail{grid-template-columns:1fr;gap:14px;padding:28px 0}
  .stat{padding:24px 20px}
  .timeline{padding-left:26px}
  .timeline-item::before{left:-31.5px}
  .cert{padding:20px;gap:13px}
  .cert-mark{width:36px;height:36px;font-size:.62rem}
  .form-card{padding:28px 22px}
  .field-row{grid-template-columns:1fr;gap:0}
  .field-row .field{margin-bottom:20px}
  .contact-item{padding:22px 20px}

  /* 博客 */
  .post-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .post-featured h3{font-size:1.28rem}
  .post-featured .post-body{padding:30px 24px}
  .post-featured{margin-bottom:44px}
  .article h2{font-size:1.18rem;margin-top:38px}
  .article h3{font-size:1rem;margin-top:26px}
  .article p,.article li{font-size:.97rem}
  .article-lead{font-size:1.03rem}
  .toc{padding:22px 22px}
  .author-box{flex-direction:column;gap:14px;padding:24px 22px}
  .table-scroll{margin:26px -6px}

  /* 首页轮播：手机上隐藏箭头，靠圆点与左右滑动切换 */
  .hs-slide{min-height:530px;padding:52px 0 92px}
  .hs-arrow{display:none}
  /* 手机屏窄、宽幅图被裁得多，往右偏让产品（画面右侧）露出，左侧交给文字 */
  .hs-bg{background-position:70% 50%}
  .hs-eyebrow{font-size:.66rem;letter-spacing:.13em;padding:6px 12px;margin-bottom:18px}
  .hs-title{font-size:1.82rem;margin-bottom:18px}
  .hs-text{font-size:.97rem;margin-bottom:28px}
  .hs-actions{flex-direction:column;align-items:stretch;gap:11px}
  .hs-dots{bottom:26px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;scroll-behavior:auto !important}
  .hs-slide.is-active .hs-bg{animation:none !important}
}