/* ==========================================================
   广州康高农业科技有限公司  官网样式
   风格：时尚 · 阳光 · 新鲜 · 专业
   一套代码同时适配 PC / 平板 / 手机
   ========================================================== */

:root{
  --green-900:#063D38;
  --green-800:#08564C;
  --green-700:#0B6E5F;
  --green-600:#0E8A75;
  --green-500:#14A88C;
  --green-100:#E4F4EF;
  --green-050:#F2FAF7;

  --orange-600:#F2790C;
  --orange-500:#FF9318;
  --orange-400:#FFAE4A;
  --orange-100:#FFF1DF;

  --yellow-400:#FFC531;
  --yellow-100:#FFF7DC;

  --ink:#10201D;
  --ink-2:#3D534E;
  --ink-3:#6E817C;
  --line:#E6EEEB;
  --white:#fff;
  --bg:#FAFCFB;

  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;

  --sh-sm:0 4px 16px rgba(6,61,56,.06);
  --sh-md:0 14px 36px rgba(6,61,56,.10);
  --sh-lg:0 26px 60px rgba(6,61,56,.16);

  --nav-h:76px;
  --container:1200px;
  --ease:cubic-bezier(.22,.68,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:.5px;line-height:1.25;}
p{margin:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none;border:none;background:none;color:inherit;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px;}

/* ---------------- 通用组件 ---------------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:1.5px;white-space:nowrap;flex:none;
  color:var(--orange-600);text-transform:none;
  background:var(--orange-100);
  padding:7px 16px;border-radius:100px;
}
.eyebrow--green{color:var(--green-700);background:var(--green-100);}
/* 栏目标题一律单行显示，超出则缩放而非折行 */
/* 栏目标题 & 首屏大标题：永占一行 —— 先按屏宽流体缩字号，极端窄屏再收缩到不溢出 */
.sec-head h2,.page-hero h1,.nowrap{
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;
}
.nowrap{display:block;}
@supports (font-size:clamp(1px,1vw,2px)){
  .sec-head h2{font-size:clamp(24px,2.75vw,40px);}
  .page-hero h1{font-size:clamp(25px,3.4vw,48px);}
}
@media (max-width:360px){
  .nav__ul{gap:8px;} .nav__ul>li>a{padding:11px 10px;min-height:70px;} .nav__ul>li>a .nv{font-size:14.6px;}
  .nav__ul>li>a .ns{font-size:9.8px;} .nav__hd{padding:17px 14px 14px;}
  .sec-head h2{font-size:19px;}
  .page-hero h1{font-size:20px;}
}
.nv{display:block;white-space:nowrap;letter-spacing:.3px;}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:currentColor;display:block;}

.sec{padding:92px 0;position:relative;}
.sec--tint{background:var(--green-050);}
.sec--deep{background:var(--green-900);color:#fff;}
.sec-head{max-width:720px;margin:0 0 48px;}
.sec-head h2{font-size:40px;margin:18px 0 14px;letter-spacing:1px;}
.sec-head h2 em{font-style:normal;color:var(--green-600);}
.sec-head p{color:var(--ink-2);font-size:16.5px;}
.sec--deep .sec-head p{color:rgba(255,255,255,.72);}
.sec--deep .eyebrow{background:rgba(255,255,255,.12);color:var(--orange-400);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 30px;border-radius:100px;font-weight:700;font-size:15.5px;
  cursor:pointer;transition:.32s var(--ease);white-space:nowrap;
}
.btn--primary{background:linear-gradient(135deg,var(--orange-500),var(--orange-600));color:#fff;box-shadow:0 10px 24px rgba(242,121,12,.32);}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(242,121,12,.42);}
.btn--green{background:var(--green-700);color:#fff;box-shadow:0 10px 24px rgba(11,110,95,.28);}
.btn--green:hover{transform:translateY(-3px);background:var(--green-600);}
.btn--ghost{border:1.5px solid rgba(6,61,56,.22);color:var(--green-900);background:rgba(255,255,255,.6);}
.btn--ghost:hover{border-color:var(--green-600);color:var(--green-700);transform:translateY(-3px);}
.btn--light{border:1.5px solid rgba(255,255,255,.35);color:#fff;}
.btn--light:hover{background:#fff;color:var(--green-900);}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}

.card{
  background:#fff;border-radius:var(--r-md);padding:30px;
  box-shadow:var(--sh-sm);border:1px solid var(--line);
  transition:.38s var(--ease);
}
.card:hover{transform:translateY(-8px);box-shadow:var(--sh-md);border-color:rgba(20,168,140,.3);}

/* 卡片顶部渐变条（纯 CSS 插画，不依赖外部图） */
.visual{
  height:150px;border-radius:var(--r-sm);margin-bottom:22px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--green-700),var(--green-500));
}
.visual::after{
  content:"";position:absolute;right:-30px;bottom:-46px;width:150px;height:150px;border-radius:50%;
  background:rgba(255,255,255,.13);
}
.visual::before{
  content:"";position:absolute;left:24px;bottom:-30px;width:96px;height:96px;border-radius:50%;
  background:rgba(255,197,49,.35);
}
.visual--sun{background:linear-gradient(135deg,#FFB43D,#FF9318 55%,#F2790C);}
.visual--leaf{background:linear-gradient(135deg,#0E8A75,#14A88C 60%,#7CC9A8);}
.visual--deep{background:linear-gradient(135deg,#063D38,#0B6E5F);}
.visual--sky{background:linear-gradient(135deg,#2FB6A0,#5FD3B4 60%,#FFD06B);}
.visual__tag{
  position:absolute;left:18px;top:16px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--green-800);
  font-size:12.5px;font-weight:800;padding:6px 13px;border-radius:100px;
}
.visual__em{
  position:absolute;z-index:2;right:20px;top:44px;font-size:62px;line-height:1;
  filter:drop-shadow(0 6px 12px rgba(0,0,0,.14));
}
.visual__wave{
  position:absolute;z-index:2;left:0;right:0;bottom:0;height:46px;
  background:radial-gradient(ellipse at 20% 100%,rgba(255,255,255,.5) 0 42%,transparent 43%),
             radial-gradient(ellipse at 62% 100%,rgba(255,255,255,.32) 0 38%,transparent 39%);
}

.grid{display:grid;gap:24px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}

/* ---------------- 导航 ---------------- */
.header{
  position:fixed;inset:0 0 auto;z-index:100;height:var(--nav-h);
  background:rgba(255,255,255,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(6,61,56,.07);
  transition:.3s;
}
.header.is-stuck{box-shadow:0 6px 24px rgba(6,61,56,.09);height:66px;}
.header__in{height:100%;display:flex;align-items:center;gap:26px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo img{width:42px;height:42px;object-fit:contain;transition:.3s;}
.logo__txt b{display:block;font-size:17.5px;font-weight:900;color:var(--green-900);letter-spacing:.6px;line-height:1.2;}
.logo__txt span{display:block;font-size:10.5px;letter-spacing:1.6px;color:var(--ink-3);text-transform:uppercase;}

/* ===== PC：7 个栏目强制横向一行（手机抽屉样式全部关在 @media ≤760 里，互不影响） ===== */
.nav{margin-left:auto;display:flex;gap:0;align-items:center;flex:none;min-width:0;}
.nav__bd{display:block;}
.nav__ul{list-style:none;margin:0;padding:0;display:flex!important;flex-direction:row!important;flex-wrap:nowrap!important;align-items:center;gap:0;}
.nav__ul>li{margin:0;flex:0 0 auto;min-width:0;}
.nav__ul>li>a .ni,.nav__ul>li>a .ns,.nav__ul>li>a .nd{display:none!important;}   /* 图标/副标题/序号只属于手机宫格 */
.nav__ul>li>a{display:flex!important;flex-direction:row!important;align-items:center;justify-content:center;
  gap:0;transform:none!important;opacity:1!important;transition-delay:0s!important;
  padding:10px clamp(6px,.78vw,13px)!important;min-height:0!important;border-radius:10px;
  font-size:clamp(13.4px,.95vw,15.4px);font-weight:600;line-height:1.35;white-space:nowrap;color:var(--ink-2);}
.nav__ul>li>a .nt{display:block;min-width:0;padding-right:0!important;font-size:inherit;}
.nav__ul>li>a .nv{display:block;font-size:clamp(13.4px,.95vw,15.4px);font-weight:600;color:var(--ink-2);letter-spacing:.2px;white-space:nowrap;}
.nav__ul>li>a.is-active .nv{color:var(--green-800);font-weight:800;}
.nav__ul>li>a::after{display:none;}
.nav__ul>li>a.is-active::after{display:block!important;}
/* PC 保险：清掉手机端可能残留的内联动画样式，栏目永远横排单行、不透明 */
@media (min-width:761px){
  .nav__ul>li>a{opacity:1!important;animation:none!important;transform:none!important;}
  .nav__foot{opacity:1!important;animation:none!important;}
}
/* 手机抽屉才用到的头/尾，PC 端必须彻底退出布局，否则会挤乱栏目 */
.nav__hd,.nav__foot,.nav__close{display:none;}
.nav>li{margin:0;}
.nav>li>a .nv{
  display:block;padding:10px clamp(7px,0.82vw,13px);border-radius:10px;
  font-size:clamp(13.6px,0.98vw,15.5px);font-weight:600;color:var(--ink-2);transition:.25s;position:relative;white-space:nowrap;
}
.nav>li>a:hover{color:var(--green-700);background:var(--green-050);}
.nav>li>a.is-active{color:var(--green-800);font-weight:800;}
.nav>li>a.is-active::after{
  content:"";position:absolute;left:22%;right:22%;bottom:2px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--green-600),var(--orange-500));
}
.header__cta{display:flex;align-items:center;gap:10px;flex:none;margin-left:clamp(8px,1vw,16px);}
.header__tel{font-weight:800;color:var(--green-900);font-size:16px;letter-spacing:.4px;}
.header__tel small{display:block;font-size:10.5px;font-weight:600;color:var(--ink-3);letter-spacing:1px;}
.burger{display:none;width:44px;height:44px;border-radius:12px;position:relative;background:var(--green-050);}
.burger span{position:absolute;left:11px;right:11px;height:2.4px;border-radius:3px;background:var(--green-800);transition:.3s;}
.burger span:nth-child(1){top:14px;}
.burger span:nth-child(2){top:21px;}
.burger span:nth-child(3){top:28px;}
body.nav-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .burger span:nth-child(2){opacity:0;}
body.nav-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mask{display:none;position:fixed;inset:0;background:rgba(6,61,56,.42);z-index:98;backdrop-filter:blur(3px);}
body.nav-open .mask{display:block;}

/* ---------------- Hero ---------------- */
.hero{
  min-height:min(880px,96vh);padding-top:var(--nav-h);
  display:flex;align-items:center;position:relative;overflow:hidden;
  background:linear-gradient(160deg,#063D38 0%,#0B6E5F 46%,#14A88C 100%);
  color:#fff;
}
.hero__bg{position:absolute;inset:0;overflow:hidden;}
.hero__sun{
  position:absolute;right:-90px;top:-110px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#FFD97A,var(--orange-500) 58%,rgba(242,121,12,.15) 72%,transparent 73%);
  animation:float 9s ease-in-out infinite;
}
.hero__blob{position:absolute;border-radius:50%;background:rgba(255,255,255,.09);}
.hero__blob.b1{width:300px;height:300px;left:-110px;bottom:-120px;}
.hero__blob.b2{width:170px;height:170px;right:32%;bottom:8%;background:rgba(255,197,49,.16);}
.hero__leaf{
  position:absolute;font-size:120px;opacity:.14;animation:float 7s ease-in-out infinite reverse;
}
.hero__leaf.l1{right:9%;top:26%;}
.hero__leaf.l2{right:38%;bottom:12%;font-size:76px;animation-delay:1.4s;}
.hero__grid{
  position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:72px 72px;mask-image:linear-gradient(180deg,#000,transparent 78%);
}
@keyframes float{50%{transform:translateY(-16px);}}

.hero__in{position:relative;z-index:3;width:100%;padding:60px 0 70px;}
.hero__badge{
  display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);padding:9px 18px;border-radius:100px;
  font-size:13.5px;font-weight:700;letter-spacing:1px;margin-bottom:26px;
}
.hero__badge i{width:8px;height:8px;border-radius:50%;background:var(--yellow-400);box-shadow:0 0 0 5px rgba(255,197,49,.22);}
.hero h1{font-size:62px;letter-spacing:2px;line-height:1.16;margin-bottom:22px;}
.hero h1 .hl{
  background:linear-gradient(100deg,var(--yellow-400),var(--orange-400) 55%,#fff 130%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub{font-size:18.5px;color:rgba(255,255,255,.84);max-width:620px;line-height:1.9;}
.hero__actions{margin:38px 0 44px;}
.hero__stats{
  display:flex;gap:0;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.18);padding-top:30px;max-width:840px;
}
.hero__stats div{padding-right:40px;position:relative;}
.hero__stats div+div::before{content:"";position:absolute;left:-20px;top:6px;bottom:6px;width:1px;background:rgba(255,255,255,.18);}
.hero__stats b{display:block;font-size:34px;font-weight:900;letter-spacing:1px;line-height:1.2;}
.hero__stats b span{font-size:17px;font-weight:700;margin-left:2px;}
.hero__stats small{font-size:13px;color:rgba(255,255,255,.66);letter-spacing:1px;}

/* 右侧悬浮数据卡 */
.hero__panel{
  position:absolute;right:max(28px,calc((100% - 1200px)/2 + 28px));top:50%;transform:translateY(-50%);
  z-index:4;width:308px;display:grid;gap:14px;
}
.mini{
  background:rgba(255,255,255,.95);color:var(--ink);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-lg);display:flex;align-items:center;gap:15px;
  animation:pop .8s var(--ease) both;
}
.mini:nth-child(2){animation-delay:.14s;margin-left:26px;}
.mini:nth-child(3){animation-delay:.28s;}
@keyframes pop{from{opacity:0;transform:translateY(26px) scale(.94);}}
.mini__ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:23px;
  background:var(--green-100);flex-shrink:0;}
.mini--orange .mini__ic{background:var(--orange-100);}
.mini--yellow .mini__ic{background:var(--yellow-100);}
.mini b{display:block;font-size:15.5px;color:var(--green-900);}
.mini small{font-size:12.5px;color:var(--ink-3);}

/* 信任条 */
.trust{background:#fff;border-bottom:1px solid var(--line);padding:22px 0;}
.trust__in{display:flex;align-items:center;gap:34px;flex-wrap:wrap;justify-content:space-between;}
.trust span{font-size:13.5px;color:var(--ink-3);font-weight:700;letter-spacing:1px;}
.trust ul{display:flex;gap:30px;flex-wrap:wrap;}
.trust li{font-size:15px;font-weight:700;color:var(--green-800);display:flex;align-items:center;gap:8px;}
.trust li::before{content:"✓";width:20px;height:20px;background:var(--green-100);color:var(--green-700);border-radius:50%;display:grid;place-items:center;font-size:11px;}

/* ---------------- 首页专属 ---------------- */
.service-card{padding:32px 30px 30px;position:relative;overflow:hidden;}
.service-card__no{position:absolute;right:18px;top:8px;font-size:74px;font-weight:900;color:var(--green-050);line-height:1;}
.service-card h3{font-size:22px;margin-bottom:10px;position:relative;}
.service-card p{color:var(--ink-2);font-size:15px;margin-bottom:18px;}
.service-card__list{display:grid;gap:9px;margin-bottom:22px;}
.service-card__list li{font-size:14.5px;color:var(--ink-2);display:flex;gap:9px;align-items:flex-start;}
.service-card__list li::before{content:"";width:16px;height:16px;border-radius:5px;background:var(--orange-100) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3.5 8.4l2.6 2.6L12.5 4.6' fill='none' stroke='%23F2790C' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/11px no-repeat;flex-shrink:0;margin-top:5px;}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-weight:800;font-size:14.5px;color:var(--green-700);}
.link-arrow::after{content:"→";transition:.3s;}
.service-card:hover .link-arrow::after{transform:translateX(5px);color:var(--orange-600);}

.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:10px;}
.flow__step{position:relative;padding:0 18px;text-align:center;}
.flow__step:not(:last-child)::after{
  content:"";position:absolute;right:-11px;top:31px;width:22px;height:2px;
  background:repeating-linear-gradient(90deg,var(--green-500) 0 6px,transparent 6px 10px);
}
.flow__n{
  width:62px;height:62px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;
  font-size:25px;background:#fff;border:2px solid var(--green-100);box-shadow:var(--sh-sm);
  position:relative;z-index:2;transition:.35s var(--ease);
}
.flow__step:hover .flow__n{background:var(--green-700);transform:scale(1.08);}
.flow__step:nth-child(odd) .flow__n{border-color:var(--orange-100);}
.flow__step h4{font-size:17px;margin-bottom:7px;}
.flow__step p{font-size:14px;color:var(--ink-3);}

.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:186px;gap:18px;}
.cat{
  border-radius:var(--r-md);padding:24px;color:#fff;position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(150deg,var(--green-700),var(--green-500));
  transition:.4s var(--ease);cursor:default;
}
.cat::before{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.12);transition:.5s var(--ease);}
.cat::after{content:"";position:absolute;left:-20px;bottom:-50px;width:110px;height:110px;border-radius:50%;background:rgba(255,197,49,.28);}
.cat:hover{transform:translateY(-6px) scale(1.01);box-shadow:var(--sh-md);}
.cat:hover::before{transform:scale(1.35);}
.cat b{font-size:20px;position:relative;z-index:2;}
.cat small{font-size:13px;opacity:.82;position:relative;z-index:2;margin-top:5px;}
.cat__em{position:absolute;right:16px;top:14px;font-size:44px;z-index:2;opacity:.9;}
.cat--wide{grid-column:span 2;}
.cat--tall{grid-row:span 2;}
.cat--sun{background:linear-gradient(150deg,#FFA32B,#FFC95E);}
.cat--orange{background:linear-gradient(150deg,#F2790C,#FFB043);}
.cat--deep{background:linear-gradient(150deg,#063D38,#0E8A75);}
.cat--sky{background:linear-gradient(150deg,#2FB6A0,#79D6B6);}

.qc{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.qc__list{display:grid;gap:14px;margin-top:28px;}
.qc__item{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--green-500);
  border-radius:var(--r-sm);padding:18px 22px;transition:.3s;
}
.qc__item:hover{transform:translateX(7px);border-left-color:var(--orange-500);box-shadow:var(--sh-sm);}
.qc__item h4{font-size:17px;margin-bottom:4px;}
.qc__item p{font-size:14.5px;color:var(--ink-3);}
.qc__art{
  aspect-ratio:4/4.4;border-radius:var(--r-lg);position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 78% 18%,rgba(255,197,49,.9) 0 11%,transparent 11.4%),
    radial-gradient(circle at 22% 74%,rgba(255,255,255,.22) 0 26%,transparent 26.4%),
    linear-gradient(150deg,#063D38,#0B6E5F 55%,#14A88C);
  box-shadow:var(--sh-lg);
  display:grid;place-items:center;padding:40px;text-align:center;color:#fff;
}
.qc__rings{position:absolute;inset:0;}
.qc__rings i{position:absolute;border:1.5px solid rgba(255,255,255,.16);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);}
.qc__rings i:nth-child(1){width:78%;height:78%;}
.qc__rings i:nth-child(2){width:56%;height:56%;border-color:rgba(255,197,49,.35);}
.qc__rings i:nth-child(3){width:34%;height:34%;}
.qc__art>div{position:relative;z-index:2;}
.qc__art .big{font-size:66px;line-height:1;margin-bottom:14px;}
.qc__art h3{font-size:26px;margin-bottom:10px;}
.qc__art p{font-size:14.5px;color:rgba(255,255,255,.76);max-width:250px;margin:0 auto;}

.cases{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;}
.case-main{
  border-radius:var(--r-lg);padding:36px;color:#fff;position:relative;overflow:hidden;min-height:330px;
  display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(140deg,#063D38,#0E8A75);box-shadow:var(--sh-md);
  transition:.4s var(--ease);
}
.case-main:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);}
.case-main::before{content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,197,49,.24);}
.case-main::after{content:"🥗";position:absolute;right:34px;top:30px;font-size:96px;opacity:.22;}
.case-main h3{font-size:28px;position:relative;margin-bottom:10px;}
.case-main p{font-size:15px;color:rgba(255,255,255,.8);max-width:460px;position:relative;}
.case-side{display:grid;gap:24px;}
.case-sm{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px;
  box-shadow:var(--sh-sm);transition:.35s var(--ease);position:relative;overflow:hidden;
}
.case-sm::after{content:"";position:absolute;right:0;top:0;width:6px;height:100%;background:linear-gradient(var(--orange-500),var(--yellow-400));}
.case-sm:hover{transform:translateY(-6px);box-shadow:var(--sh-md);}
.case-sm h4{font-size:19px;margin-bottom:6px;}
.case-sm p{font-size:14.5px;color:var(--ink-3);}
.case-sm .num{font-size:13px;font-weight:800;color:var(--orange-600);letter-spacing:1px;margin-bottom:8px;}

.cta-band{
  border-radius:var(--r-lg);padding:56px 52px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(120deg,#063D38,#0B6E5F 55%,#F2790C);
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
}
.cta-band::before{content:"";position:absolute;right:8%;top:-70px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.1);}
.cta-band::after{content:"🌞";position:absolute;right:calc(8% + 60px);top:-24px;font-size:88px;opacity:.35;}
.cta-band h2{font-size:34px;position:relative;}
.cta-band p{color:rgba(255,255,255,.82);margin-top:10px;position:relative;}

/* ---------------- 内页 Banner ---------------- */
.page-hero{
  padding:calc(var(--nav-h) + 74px) 0 70px;position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(140deg,#063D38,#0B6E5F 58%,#14A88C);
}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle at 38% 38%,#FFD97A,rgba(242,121,12,.85) 55%,transparent 72%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:radial-gradient(rgba(255,255,255,.7) 1.4px,transparent 1.4px);background-size:26px 26px;
}
.page-hero__in{position:relative;z-index:2;}
.crumb{font-size:13.5px;color:rgba(255,255,255,.62);letter-spacing:1px;margin-bottom:16px;}
.crumb a:hover{color:var(--yellow-400);}
.crumb i{margin:0 9px;opacity:.5;}
.page-hero h1{font-size:48px;letter-spacing:2px;margin-bottom:16px;}
.page-hero h1 em{font-style:normal;color:var(--yellow-400);}
.page-hero p{max-width:680px;font-size:17px;color:rgba(255,255,255,.82);}
.page-hero__tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.page-hero__tags span{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);
  padding:7px 15px;border-radius:100px;font-size:13.5px;font-weight:600;
}
.wave-bottom{position:absolute;left:0;right:0;bottom:-1px;z-index:2;height:60px;}
.wave-bottom svg{width:100%;height:100%;display:block;}

/* ---------------- 内页通用块 ---------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.split--rev .split__art{order:-1;}
.split__txt h2{font-size:36px;margin:16px 0 18px;}
.split__txt h2 em{font-style:normal;color:var(--green-600);}
.split__txt>p{color:var(--ink-2);font-size:16.5px;margin-bottom:22px;}
.tick{display:grid;gap:12px;margin-bottom:28px;}
.tick li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--ink-2);}
.tick li b{color:var(--green-900);}
.tick li::before{
  content:"";width:22px;height:22px;border-radius:7px;background:var(--green-100) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3.5 8.4l2.6 2.6L12.5 4.6' fill='none' stroke='%230B6E5F' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/13px no-repeat;flex-shrink:0;margin-top:4px;
}
.split__art{
  aspect-ratio:1/1; border-radius:var(--r-lg);position:relative;overflow:hidden;
  background:radial-gradient(circle at 76% 20%,rgba(255,197,49,.85) 0 12%,transparent 12.4%),
             radial-gradient(circle at 18% 82%,rgba(255,255,255,.2) 0 24%,transparent 24.4%),
             linear-gradient(150deg,#08564C,#14A88C);
  box-shadow:var(--sh-lg);display:grid;place-items:center;padding:44px;text-align:center;color:#fff;
}
.split__art .em{font-size:78px;line-height:1;margin-bottom:16px;filter:drop-shadow(0 8px 16px rgba(0,0,0,.18));}
.split__art h3{font-size:24px;margin-bottom:10px;}
.split__art p{font-size:14.5px;color:rgba(255,255,255,.78);}
.split__art--sun{background:radial-gradient(circle at 22% 22%,rgba(255,255,255,.35) 0 13%,transparent 13.4%),linear-gradient(150deg,#F2790C,#FFC95E);}
.split__art--deep{background:radial-gradient(circle at 78% 74%,rgba(255,197,49,.55) 0 15%,transparent 15.4%),linear-gradient(150deg,#063D38,#0E8A75);}

.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;border:1px solid var(--line);}
.stat-band div{padding:34px 26px;text-align:center;position:relative;}
.stat-band div+div::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:1px;background:var(--line);}
.stat-band b{display:block;font-size:38px;font-weight:900;color:var(--green-700);line-height:1.15;}
.stat-band b span{font-size:18px;}
.stat-band .stat small{font-size:13.5px;color:var(--ink-3);letter-spacing:.8px;}
.stat-band small{font-size:13.5px;color:var(--ink-3);letter-spacing:.8px;}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-sm);font-size:15px;}
.tbl th{background:var(--green-800);color:#fff;font-weight:700;text-align:left;padding:16px 20px;font-size:14.5px;letter-spacing:.8px;}
.tbl td{padding:15px 20px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;}
.tbl tr:last-child td{border-bottom:none;}
.tbl tbody tr{transition:.2s;}
.tbl tbody tr:hover{background:var(--green-050);}
.tbl td b{color:var(--green-900);}
.pill{display:inline-block;padding:3px 11px;border-radius:100px;font-size:12.5px;font-weight:800;background:var(--green-100);color:var(--green-700);}
.pill--o{background:var(--orange-100);color:var(--orange-600);}
.pill--y{background:var(--yellow-100);color:#B57A00;}

/* 时间线 */
.tl{position:relative;padding-left:34px;}
.tl::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--green-500),var(--orange-400));}
.tl__item{position:relative;padding-bottom:32px;}
.tl__item:last-child{padding-bottom:0;}
.tl__item::before{
  content:"";position:absolute;left:-30px;top:8px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--green-500);box-shadow:0 0 0 5px var(--green-050);
}
.tl__item:nth-child(even)::before{border-color:var(--orange-500);box-shadow:0 0 0 5px var(--orange-100);}
.tl__y{font-size:14px;font-weight:900;color:var(--orange-600);letter-spacing:1.2px;}
.tl__item h4{font-size:19px;margin:5px 0 6px;}
.tl__item p{font-size:15px;color:var(--ink-3);}

/* 资质墙 */
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.cert{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px;
  text-align:center;transition:.35s var(--ease);
}
.cert:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:rgba(20,168,140,.35);}
.cert__ic{width:58px;height:58px;margin:0 auto 14px;border-radius:18px;display:grid;place-items:center;font-size:27px;background:var(--green-100);}
.cert:nth-child(2n) .cert__ic{background:var(--orange-100);}
.cert:nth-child(3n) .cert__ic{background:var(--yellow-100);}
.cert b{display:block;font-size:15.5px;color:var(--green-900);margin-bottom:4px;}
.cert small{font-size:12.5px;color:var(--ink-3);}

/* 案例卡 */
.proj{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:.4s var(--ease);}
.proj:hover{transform:translateY(-8px);box-shadow:var(--sh-lg);}
.proj__top{height:140px;position:relative;overflow:hidden;display:grid;place-items:center;font-size:56px;
  background:linear-gradient(135deg,var(--green-700),var(--green-500));}
.proj__top::after{content:"";position:absolute;right:-30px;bottom:-40px;width:130px;height:130px;border-radius:50%;background:rgba(255,197,49,.32);}
.proj:nth-child(2n) .proj__top{background:linear-gradient(135deg,#F2790C,#FFC15A);}
.proj:nth-child(3n) .proj__top{background:linear-gradient(135deg,#063D38,#14A88C);}
.proj__top span{position:relative;z-index:2;filter:drop-shadow(0 6px 12px rgba(0,0,0,.18));}
.proj__bd{padding:24px 26px 26px;}
.proj__bd .kpi{display:flex;gap:22px;margin:14px 0 16px;}
.proj__bd .kpi div b{display:block;font-size:22px;color:var(--green-700);font-weight:900;}
.proj__bd .kpi div small{font-size:12px;color:var(--ink-3);}
.proj__bd h3{font-size:19px;}
.proj__bd>p{font-size:14.5px;color:var(--ink-3);margin-bottom:0;}

.faq{display:grid;gap:12px;}

/* FAQ */
.faq__item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;overflow:hidden;transition:.3s;}
.faq__item[open]{border-color:rgba(20,168,140,.4);box-shadow:var(--sh-sm);}
.faq__q{padding:19px 24px;font-weight:700;font-size:16.5px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;list-style:none;}
.faq__q::-webkit-details-marker{display:none;}
.faq__q::after{content:"+";width:26px;height:26px;border-radius:50%;background:var(--green-100);color:var(--green-700);display:grid;place-items:center;font-size:17px;flex-shrink:0;transition:.3s;}
.faq__item[open] .faq__q::after{transform:rotate(45deg);background:var(--orange-500);color:#fff;}
.faq__a{padding:0 24px 20px;color:var(--ink-2);font-size:15.3px;}

/* ---------------- 联系页 ---------------- */
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:30px;align-items:start;}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-sm);}
.contact-card h3{font-size:21px;margin-bottom:6px;}
.contact-card>p{font-size:14.5px;color:var(--ink-3);margin-bottom:24px;}
.cinfo{display:grid;gap:18px;}
.cinfo__row{display:flex;gap:15px;align-items:flex-start;padding-bottom:18px;border-bottom:1px dashed var(--line);}
.cinfo__row:last-child{border-bottom:none;padding-bottom:0;}
.cinfo__ic{width:44px;height:44px;border-radius:14px;background:var(--green-100);display:grid;place-items:center;font-size:20px;flex-shrink:0;}
.cinfo__row:nth-child(2n) .cinfo__ic{background:var(--orange-100);}
.cinfo__row:nth-child(3n) .cinfo__ic{background:var(--yellow-100);}
.cinfo__row small{font-size:12.5px;color:var(--ink-3);letter-spacing:1.2px;font-weight:700;}
.cinfo__row b{display:block;font-size:17px;color:var(--green-900);font-weight:700;line-height:1.55;}

.mapbox{
  height:300px;border-radius:var(--r-md);overflow:hidden;position:relative;
  background:
    linear-gradient(rgba(6,61,56,.04) 1px,transparent 1px) 0 0/34px 34px,
    linear-gradient(90deg,rgba(6,61,56,.04) 1px,transparent 1px) 0 0/34px 34px,
    linear-gradient(150deg,#E4F4EF,#F2FAF7 60%,#FFF1DF);
  border:1px solid var(--line);display:grid;place-items:center;text-align:center;padding:26px;
}
.mapbox__pin{font-size:44px;animation:float 3.6s ease-in-out infinite;}
.mapbox__card{background:#fff;border-radius:var(--r-sm);padding:16px 22px;box-shadow:var(--sh-md);margin-top:12px;}
.mapbox__card b{display:block;color:var(--green-900);font-size:16px;}
.mapbox__card small{color:var(--ink-3);font-size:13px;}

.form{display:grid;gap:18px;}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field label{display:block;font-size:13.5px;font-weight:800;color:var(--green-800);margin-bottom:8px;letter-spacing:.6px;}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border-radius:var(--r-sm);background:var(--green-050);
  border:1.5px solid transparent;transition:.25s;font-size:15.5px;color:var(--ink);
}
.field textarea{resize:vertical;min-height:112px;}
.field input:focus,.field select:focus,.field textarea:focus{background:#fff;border-color:var(--green-500);box-shadow:0 0 0 4px rgba(20,168,140,.12);}
.field input::placeholder,.field textarea::placeholder{color:#9DB0AC;}
.form__note{font-size:13px;color:var(--ink-3);}
.form__ok{
  display:none;background:var(--green-100);border:1px solid rgba(20,168,140,.35);color:var(--green-800);
  padding:14px 18px;border-radius:var(--r-sm);font-size:14.5px;font-weight:700;
}
.form.is-sent .form__ok{display:block;}

/* ---------------- 页脚 ---------------- */
.footer{background:var(--green-900);color:rgba(255,255,255,.68);padding:70px 0 0;margin-top:0;}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer__brand img{width:52px;height:52px;margin-bottom:16px;filter:brightness(1.06);}
.footer__brand p{font-size:14.5px;line-height:1.9;max-width:310px;}
.footer h5{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:1px;}
.footer li{margin-bottom:11px;font-size:14.5px;}
.footer li a:hover{color:var(--orange-400);}
.footer__soc{display:flex;gap:10px;margin-top:18px;}
.footer__soc a{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.1);display:grid;place-items:center;font-size:17px;transition:.3s;}
.footer__soc a:hover{background:var(--orange-500);transform:translateY(-3px);}
.footer__qr{width:104px;height:104px;border-radius:var(--r-sm);background:
  repeating-linear-gradient(90deg,#fff 0 8px,transparent 8px 12px) 0 0/48px 48px,
  linear-gradient(#fff,#fff);padding:8px;display:grid;place-items:center;color:var(--green-900);font-size:12px;font-weight:800;text-align:center;line-height:1.3;}
.footer__bot{padding:22px 0 30px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45);}
.footer__bot a{color:rgba(255,255,255,.6);}
.footer__bot a:hover{color:var(--orange-400);}

/* 移动端悬浮联系条 */
.mobar{display:none;}

/* 滚动进场 */
.rv{opacity:0;transform:translateY(30px);transition:.75s var(--ease);}
.rv.in{opacity:1;transform:none;}
.rv-d1{transition-delay:.08s;}.rv-d2{transition-delay:.16s;}.rv-d3{transition-delay:.24s;}.rv-d4{transition-delay:.32s;}

/* ==========================================================
   响应式：平板
   ========================================================== */
@media (max-width:1330px) and (min-width:761px){
  .nav>li>a .nv{padding:10px clamp(6px,0.66vw,11px);font-size:clamp(13.4px,0.94vw,15px);}
  .header__cta{gap:8px;margin-left:10px;}
  .header__cta .btn{padding:11px 16px;font-size:14.4px;}
  .header__tel small{display:none;}
  .header__tel{font-size:14.4px;}
}
@media (max-width:1180px) and (min-width:761px){
  /* 小笔电：给 7 个栏目留出单行空间，页头电话按钮让位 */
  .container{padding:0 clamp(14px,1.8vw,24px);}
  .header__logo small{display:none;}
  .header__tel{display:none;}
  .header__cta{gap:8px;margin-left:8px;}
  .btn{padding:12px 20px;font-size:14.6px;}
}
@media (max-width:1080px){
  .header__tel{display:inline;}
  .hero h1{font-size:50px;}
  .hero__panel{display:none;}
  .hero__stats div{padding-right:26px;}
  .hero__stats div+div::before{left:-13px;}
  .qc,.split,.contact-grid,.cases{gap:36px;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .certs,.stat-band,.g4{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(3,1fr);row-gap:34px;}
  .flow__step:nth-child(3)::after{display:none;}
  .header__tel{font-size:15px;}
  .footer__top{grid-template-columns:1fr 1fr;}
  .sec-head h2{font-size:clamp(23px,3vw,34px);}
}

/* ==========================================================
   响应式：手机  （PC / 手机同一套页面，此处切换手机版布局）
   ========================================================== */
@media (max-width:760px){
  :root{--nav-h:62px;}
  body{font-size:15.4px;line-height:1.78;padding-bottom:62px;}
  .container{padding:0 18px;}
  .sec{padding:56px 0;}
  .sec-head{margin-bottom:30px;}
  .sec-head h2{font-size:clamp(21px,5.6vw,27px);letter-spacing:.2px;}
  .sec-head p{font-size:15px;}
  .eyebrow{font-size:11.5px;padding:6px 13px;letter-spacing:1.4px;}
  .btn{width:100%;padding:15px 22px;}
  .btn-row{flex-direction:column;gap:11px;}
  .btn-row .btn{width:100%;}
  .card{padding:22px 20px;border-radius:var(--r-md);}
  .visual{height:124px;margin-bottom:16px;}
  .visual__em{font-size:46px;right:12px;top:34px;}

  /* ==== 导航 → 手机抽屉菜单（顶部卡片 + 2列宫格 + 底部名片） ==== */
  .header{height:var(--nav-h);background:rgba(255,255,255,.97);box-shadow:0 2px 14px rgba(6,61,56,.07);}
  .header.is-stuck{height:var(--nav-h);}
  .header__in{gap:8px;}
  .logo img{width:34px;height:34px;}
  .logo__txt b{font-size:15.5px;}
  .logo__txt span{font-size:9px;letter-spacing:1.1px;}
  .header__cta .btn--primary{display:none;}
  .header__tel{display:none;}
  .header__cta{margin-left:auto;gap:0;}
  /* 汉堡按钮：贴最右，44px 热区，浅绿圆角底 */
  .burger{display:none;place-items:center;gap:0;width:42px;height:42px;margin-left:auto;margin-right:-7px;
    border-radius:13px;background:var(--green-050);border:1px solid var(--green-100);}
  .burger span{position:static;left:auto;right:auto;top:auto;width:19px;height:2.2px;transition:.32s var(--ease);}
  .burger span:nth-child(1){transform-origin:left center;}
  .burger span:nth-child(2){width:13px;justify-self:start;margin-left:11px;opacity:.65;}
  .burger span:nth-child(3){transform-origin:left center;}
  body.nav-open .burger{background:var(--green-900);border-color:var(--green-900);}
  body.nav-open .burger span{background:#fff;width:19px;}
  body.nav-open .burger span:nth-child(1){transform:translateY(4.4px) rotate(45deg);}
  body.nav-open .burger span:nth-child(2){opacity:0;transform:translateX(-6px);}
  body.nav-open .burger span:nth-child(3){transform:translateY(-4.4px) rotate(-45deg);}

  /* 抽屉本体：从右滑入的全高面板 */
  .nav{
    position:fixed;top:0;right:0;height:100vh;height:100dvh;width:min(88vw,352px);z-index:99;margin:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;overflow:hidden;
    background:#fff;border-radius:26px 0 0 26px;box-shadow:-22px 0 60px rgba(6,61,56,.22);
    transform:translateX(106%);visibility:hidden;transition:transform .46s var(--ease),visibility 0s linear .46s;
    padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);
  }
  body.nav-open .nav{visibility:visible;transform:none;transition:transform .46s var(--ease),visibility 0s linear 0s;}
  .nav__hd,.nav__foot{display:flex;}
  /* 手机抽屉：解除上面所有 PC 横向约束，恢复 2 列宫格 */
  .nav__bd{display:block;}
  .nav__ul{display:grid!important;grid-template-columns:1fr 1fr;flex-direction:row;flex-wrap:wrap;align-items:stretch;}
  .nav__ul>li{flex:1 1 auto;}
  .nav__ul>li>a{flex-direction:column!important;align-items:flex-start!important;justify-content:flex-start!important;
    gap:0!important;padding:11px 10px!important;min-height:70px!important;font-size:inherit!important;}
  .nav__ul>li>a .ni{display:block!important;} .nav__ul>li>a .ns{display:block!important;} .nav__ul>li>a .nd{display:block!important;}
  .nav__ul>li>a .nt{padding:0 22px 0 30px!important;} .nav__ul>li>a .nv{font-size:15.4px!important;}
.burger{display:grid;}
.mask{transition:opacity .4s;}
  /* 顶部：Logo + 关闭 */
  .nav__hd{position:relative;flex:none;display:flex;align-items:center;gap:11px;
    padding:20px 18px 16px;background:linear-gradient(135deg,var(--green-900),var(--green-700) 70%,var(--green-600));
    overflow:hidden;}
  .nav__hd::after{content:'';position:absolute;right:-38px;top:-46px;width:150px;height:150px;border-radius:50%;
    background:radial-gradient(circle at 30% 30%,rgba(255,179,74,.55),rgba(255,147,24,0) 70%);}
  .nav__hd img{width:38px;height:38px;flex:none;position:relative;z-index:1;}
  .nav__hd-t{position:relative;z-index:1;min-width:0;}
  .nav__hd-t b{display:block;color:#fff;font-size:16px;letter-spacing:.4px;line-height:1.25;white-space:nowrap;}
  .nav__hd-t span{display:block;color:rgba(255,255,255,.74);font-size:10.5px;letter-spacing:1.2px;margin-top:3px;white-space:nowrap;}
  .nav__close{flex:none;position:relative;z-index:1;width:32px;height:32px;margin-left:auto;border-radius:10px;
    background:rgba(255,255,255,.14);display:grid;place-items:center;}
  .nav__close i{position:absolute;width:14px;height:2px;border-radius:2px;background:#fff;}
  .nav__close i:first-child{transform:rotate(45deg);} .nav__close i:last-child{transform:rotate(-45deg);}
  /* 中部：2 列宫格，7 项等高对齐 */
  .nav__bd{flex:1 1 auto;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px 14px 8px;}
  .nav__ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .nav__ul>li{margin:0;min-width:0;}
  .nav__ul>li:nth-child(7){grid-column:1 / -1;}   /* 第7项通栏，收尾稳 */
  .nav__ul>li>a{
    position:relative;height:100%;min-height:74px;margin:0;padding:12px 12px 11px;
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
    opacity:0;                                   /* 关闭态静候在面板外，打开时由 animation 浮入 */
    transition:background .25s,border-color .25s,transform .25s var(--ease);
  }
  @keyframes navCellIn{from{opacity:0;transform:translateY(14px) scale(.97);}to{opacity:1;transform:none;}}
  /* 逐项错峰浮入：延迟取每个 li 的 data-d（.06→.30s），JS 每次打开重置动画即可重放 */
  body.nav-open .nav__ul>li>a{animation:navCellIn .46s var(--ease) both;animation-delay:var(--d,.06s);}
  body.nav-open .nav__ul>li>a:active{transform:scale(.97);}
  .nav__ul>li[data-d]{--d:.1s;}
  .nav__ul>li[data-d=".06"]{--d:.06s} .nav__ul>li[data-d=".10"]{--d:.10s} .nav__ul>li[data-d=".14"]{--d:.14s}
  .nav__ul>li[data-d=".18"]{--d:.18s} .nav__ul>li[data-d=".22"]{--d:.22s} .nav__ul>li[data-d=".26"]{--d:.26s}
  .nav__ul>li[data-d=".30"]{--d:.30s}
  /* 底部区跟着最后一项（.30s）之后浮上来，形成「栏目 → 联系方式」的收尾节奏 */
  @keyframes navFootIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
  .nav__foot{opacity:0;}
  body.nav-open .nav__foot{animation:navFootIn .42s var(--ease) both;animation-delay:.34s;}
  @media (prefers-reduced-motion:reduce){
    body.nav-open .nav__ul>li>a,body.nav-open .nav__foot{animation:none!important;opacity:1!important;transform:none!important;}
    .nav__foot{opacity:1!important;}
  }
  .nav__ul>li>a::after{display:none!important;}
  .nav__ul>li>a .ni{font-style:normal;font-size:20px;line-height:1;position:absolute;right:10px;top:10px;opacity:.9;}
  .nav__ul>li>a .nt{display:block;min-width:0;padding-right:20px;}
  .nav__ul>li>a .nv{display:block;font-size:15.4px;font-weight:800;color:var(--ink);letter-spacing:.4px;white-space:nowrap;}
  .nav__ul>li>a .ns{display:block;font-style:normal;font-size:10.6px;color:var(--ink-3);line-height:1.4;margin-top:3px;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .nav__ul>li>a .nd{position:absolute;left:0;top:0;font-style:normal;font-size:9.5px;font-weight:800;letter-spacing:.5px;
    color:var(--green-500);background:var(--green-100);padding:3px 7px;border-radius:var(--r-sm) 0 10px 0;}
  .nav__ul>li>a:active{transform:scale(.97);background:var(--green-050);}
  .nav__ul>li>a.is-active{background:var(--green-900);border-color:var(--green-900);box-shadow:0 8px 18px rgba(6,61,56,.22);}
  .nav__ul>li>a.is-active .nv,.nav__ul>li>a.is-active .ns{color:#fff;}
  .nav__ul>li>a.is-active .ns{color:rgba(255,255,255,.72);}
  .nav__ul>li>a.is-active::before{content:'';position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--orange-500,#F2790C);}
  .nav__ul>li>a.is-active .nd{color:var(--green-900);background:var(--orange-400);}
  /* 第7项通栏：横向排布 */
  .nav__ul>li:nth-child(7)>a,.nav__ul>li:nth-child(7)>a{flex-direction:row!important;align-items:center!important;gap:10px!important;min-height:62px!important;
    background:var(--orange-100);border-color:#FFE3C2;}
  .nav__ul>li:nth-child(7) a .ni{position:static;font-size:21px;}
  .nav__ul>li:nth-child(7) a .nt{padding:0!important;flex:1;}
  .nav__ul>li:nth-child(7) a .nv{color:var(--orange-600);}
  .nav__ul>li:nth-child(7) a .ns{color:#B26A12;}
  .nav__ul>li:nth-child(7) a .nd{background:#fff;color:var(--orange-600);}
  /* 底部：主按钮 + 两张联系名片 */
  /* 底部：整块独立弹性列，任何宽度都只占该占的高度，不撑破、不换行、不溢出 */
  .nav__foot{
    flex:0 0 auto;min-height:0;width:100%;box-sizing:border-box;
    display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    padding:13px 14px calc(14px + env(safe-area-inset-bottom,0px));
    border-top:1px solid var(--line);
    background:linear-gradient(180deg,#fff,var(--bg));
  }
  /* 主按钮：显式宽度 + 不收缩 + 单行省略，杜绝被全局 .btn{width:100%} 之外的规则挤成竖条 */
  .nav__foot .btn--primary{
    display:flex!important;width:100%!important;flex:0 0 auto;box-sizing:border-box;
    min-width:0;max-width:100%;height:46px;padding:0 18px!important;margin:0 0 10px;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
    font-size:14.6px;letter-spacing:.3px;border-radius:100px;
    box-shadow:0 10px 22px rgba(242,121,12,.26);
  }
  .nav__foot .btn--primary:active{transform:scale(.98);}
  .nav__cards{display:grid;grid-template-columns:1fr 1fr;gap:9px;width:100%;flex:0 0 auto;}
  .nav__cards a{display:flex;align-items:center;gap:7px;padding:8px 9px;border-radius:var(--r-sm);
    background:#fff;border:1px solid var(--line);min-width:0;width:100%;box-sizing:border-box;}
  .nav__cards a:active{transform:scale(.98);background:var(--green-050);}
  .nav__cards em{font-style:normal;font-size:14px;flex:none;line-height:1;}
  .nav__cards span{display:block;min-width:0;flex:1;}
  .nav__cards b{display:block;font-size:9.4px;color:var(--ink-3);font-weight:700;letter-spacing:.6px;line-height:1.3;}
  .nav__cards span.t{display:block;font-size:11.4px;font-weight:700;color:var(--green-800);
    line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .nav__foot>p{
    flex:0 0 auto;margin:9px 0 0;padding:0;width:100%;box-sizing:border-box;
    font-size:10.8px;line-height:1.5;color:var(--ink-3);text-align:center;letter-spacing:.2px;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  /* 超矮屏（横屏手机 / 小折叠屏）：整体压紧，仍不溢出 */
  @media (max-width:760px) and (max-height:420px){
    .nav__hd{padding:12px 14px 10px;}
    .nav__hd img,.nav__hd-t b{font-size:14px;} .nav__hd img{width:30px;height:30px;}
    .nav__bd{padding:10px 12px 6px;}
    .nav__ul>li>a{min-height:54px!important;padding:9px 10px 9px 12px!important;}
    .nav__ul>li>a .nd{top:0;left:0;padding:0;width:15px;height:15px;font-size:0;border-radius:0 0 8px 0;}
    .nav__ul>li>a .nt{padding:0 20px 0 19px!important;}
    .nav__ul>li>a .ni{top:8px;right:8px;font-size:17px;}
    .nav__ul>li>a .nv{font-size:14.6px!important;}
    .nav__ul>li>a .ns{margin-top:2px;font-size:10px;}
    .nav__ul>li:nth-child(7) a{min-height:50px!important;}
    .nav__ul>li:nth-child(7) a .nt{padding:0!important;}
    .nav__foot{padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));}
    .nav__foot .btn--primary{height:40px;margin-bottom:8px;font-size:14px;}
    .nav__foot>p{margin-top:7px;}
  }
  /* 320 等超窄屏：号码字号再降一档，保证一行放得下 */
  @media (max-width:360px){
    .nav__cards{gap:8px;}
    .nav__cards a{padding:7px 8px;gap:6px;}
    .nav__cards span.t{font-size:10.8px;} .nav__cards b{font-size:9px;}
    .nav__foot .btn--primary{font-size:13.6px;padding:0 14px!important;}
    .nav__foot>p{font-size:10.2px;}
    .nav__ul>li>a .nv{font-size:14.6px!important;}
    .nav__ul>li>a .ns{font-size:10px;}
  }
  /* 桌面注音徽标（01~07）在手机格子里是左上角色块，若某处被 PC 规则隐藏，手机必须恢复 */
  @media (max-width:760px){
    .nav__ul>li>a .nd{display:block!important;}
  }

  /* Hero 手机版 */
  .hero{min-height:auto;padding:calc(var(--nav-h) + 34px) 0 40px;}
  .hero__in{padding:0 0 6px;}
  .hero__badge{font-size:11.5px;margin-bottom:16px;padding:7px 14px;}
  .hero h1{font-size:31px;letter-spacing:.8px;margin-bottom:14px;}
  .hero__sub{font-size:15.2px;line-height:1.85;}
  .hero__actions{margin:24px 0 26px;}
  .hero__stats{padding-top:20px;gap:0;}
  .hero__stats div{padding-right:0;width:50%;margin-bottom:16px;}
  .hero__stats div+div::before{display:none;}
  .hero__stats b{font-size:25px;}
  .hero__stats small{font-size:11.5px;}
  .hero__sun{width:280px;height:280px;right:-90px;top:-80px;}
  .hero__leaf{font-size:70px;}
  .hero__leaf.l2{display:none;}
  .hero__grid{background-size:44px 44px;}

  .trust{padding:16px 0;}
  .trust__in{gap:12px;}
  .trust span{width:100%;font-size:12px;}
  .trust ul{gap:8px 18px;}
  .trust li{font-size:13px;}
  .trust li::before{width:17px;height:17px;font-size:10px;}

  /* 网格 → 单列 */
  .g2,.g3,.g4{grid-template-columns:1fr;gap:16px;}
  .cat-grid{grid-template-columns:1fr 1fr;grid-auto-rows:150px;gap:12px;}
  .cat--wide,.cat--tall{grid-column:span 2;grid-row:auto;}
  .cat{padding:18px 16px;border-radius:var(--r-md);}
  .cat b{font-size:16.5px;}
  .cat small{font-size:11.5px;}
  .cat__em{font-size:32px;top:10px;right:12px;}
  .service-card{padding:24px 20px;}
  .service-card__no{font-size:56px;}
  .service-card h3{font-size:19.5px;}

  .flow{grid-template-columns:1fr 1fr;gap:18px 10px;}
  .flow__step{padding:0 8px;}
  .flow__step::after{display:none!important;}
  .flow__n{width:50px;height:50px;font-size:21px;margin-bottom:12px;}
  .flow__step h4{font-size:15.5px;}
  .flow__step p{font-size:13px;}

  .qc,.split,.cases,.contact-grid{gap:24px;grid-template-columns:1fr;}
  .split--rev .split__art{order:0;}
  .split__txt h2{font-size:25px;}
  .split__art{aspect-ratio:1/.92;padding:28px 22px;border-radius:var(--r-md);}
  .split__art .em{font-size:56px;margin-bottom:10px;}
  .split__art h3{font-size:20px;}
  .qc__art{aspect-ratio:1/.86;padding:28px 20px;border-radius:var(--r-md);}
  .qc__art .big{font-size:48px;}
  .qc__art h3{font-size:21px;}

  .stat-band,.certs{grid-template-columns:1fr 1fr;border-radius:var(--r-md);}
  .stat-band div{padding:22px 12px;}
  .stat-band b{font-size:27px;}
  .stat-band small{font-size:11.5px;}
  .stat-band div+div::before{display:none;}
  .stat-band div:nth-child(odd)::after{content:"";position:absolute;right:0;top:20px;bottom:20px;width:1px;background:var(--line);}
  .cert{padding:20px 14px;}
  .cert__ic{width:48px;height:48px;font-size:22px;margin-bottom:10px;}
  .cert b{font-size:13.8px;}
  .cert small{font-size:11.5px;}

  .page-hero{padding:calc(var(--nav-h) + 40px) 0 52px;}
  .page-hero h1{font-size:28px;letter-spacing:.6px;}
  .page-hero p{font-size:15px;}
  .page-hero__tags span{font-size:12px;padding:6px 12px;}
  .crumb{font-size:12px;}
  .wave-bottom{height:34px;}

  .tbl{font-size:13.8px;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-md);}
  .tbl th,.tbl td{padding:12px 14px;white-space:nowrap;}
  .tbl th:first-child,.tbl td:first-child{position:sticky;left:0;background:#fff;box-shadow:1px 0 0 var(--line);}
  .tbl th:first-child{background:var(--green-800);}

  .tl{padding-left:26px;}
  .tl::before{left:7px;}
  .tl__item::before{left:-24px;width:12px;height:12px;border-width:2.5px;box-shadow:0 0 0 4px var(--green-050);}
  .tl__item{padding-bottom:24px;}
  .tl__item h4{font-size:17px;}
  .tl__item p{font-size:14.2px;}

  .proj__top{height:118px;font-size:44px;}
  .proj__bd{padding:20px;}
  .proj__bd h3{font-size:17.5px;}
  .proj__bd .kpi{gap:16px;margin:12px 0;}
  .proj__bd .kpi div b{font-size:19px;}
  .case-main{padding:26px 22px;min-height:250px;border-radius:var(--r-md);}
  .case-main h3{font-size:21px;}
  .case-main::after{font-size:58px;top:20px;right:18px;}
  .case-sm{padding:22px 20px;border-radius:var(--r-md);}
  .cta-band{padding:32px 24px;border-radius:var(--r-md);}
  .cta-band h2{font-size:23px;}
  .cta-band::after{font-size:54px;top:6px;right:10px;}
  .cta-band::before{width:160px;height:160px;top:-60px;}

  .faq__q{font-size:15.2px;padding:16px 18px;}
  .faq__a{padding:0 18px 18px;font-size:14.6px;}

  .contact-card{padding:24px 20px;border-radius:var(--r-md);}
  .cinfo__row b{font-size:15.5px;}
  .form__row{grid-template-columns:1fr;gap:0;}
  .field input,.field select,.field textarea{padding:13px 14px;font-size:16px;} /* 16px 防 iOS 缩放 */
  .mapbox{height:228px;}

  .footer{padding-top:46px;}
  .footer__top{grid-template-columns:1fr 1fr;gap:24px;padding-bottom:32px;}
  .footer__brand{grid-column:span 2;}
  .footer__brand p{max-width:none;font-size:14px;}
  .footer__qr{width:88px;height:88px;}
  .footer__bot{font-size:12px;flex-direction:column;gap:6px;text-align:center;}
  .footer__bot div{text-align:center;}

  /* 手机版底部悬浮联系条 */
  .mobar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:96;height:62px;
    background:rgba(255,255,255,.98);backdrop-filter:blur(12px);border-top:1px solid var(--line);
    box-shadow:0 -6px 22px rgba(6,61,56,.09);
  }
  .mobar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11.5px;font-weight:700;color:var(--ink-3);}
  .mobar a i{font-size:19px;font-style:normal;line-height:1;}
  .mobar a.hot{color:#fff;background:linear-gradient(135deg,var(--orange-500),var(--orange-600));margin:8px 10px;border-radius:14px;flex:1.35;}
  .mobar a.hot i{font-size:17px;}
}

@media (max-width:400px){
  .cat-grid{grid-template-columns:1fr;grid-auto-rows:132px;}
  .cat--wide,.cat--tall{grid-column:span 1;}
  .flow{grid-template-columns:1fr;}
  .hero h1{font-size:27px;}
  .stat-band,.certs{grid-template-columns:1fr;}
  .stat-band div:nth-child(odd)::after{display:none;}
}

/* 打印 */

/* 导航单行保障：逐级让位，绝不换到第二行 */
@media (max-width:1400px) and (min-width:761px){.nav li a{padding-left:clamp(4px,.5vw,10px);padding-right:clamp(4px,.5vw,10px);} .header__cta .btn{padding:11px 16px;font-size:14.4px;} .header__cta{gap:8px;margin-left:10px;}}
@media (max-width:1240px) and (min-width:761px){.header__tel small{display:none;} .header__logo small{display:none;} .nav li a{font-size:clamp(13.2px,.92vw,14.8px);} .header__tel{font-size:14.2px;}}
@media (max-width:1120px) and (min-width:761px){.header__tel{display:none!important;} .nav li a{padding-top:9px;padding-bottom:9px;} .btn{padding:11px 18px;font-size:14.2px;}}
@media (max-width:980px) and (min-width:761px){.nav li a{font-size:clamp(12.6px,1.3vw,13.6px);letter-spacing:0;} .header__cta .btn{padding:10px 13px;font-size:13.6px;}}
@media print{.header,.mobar,.mask,.nav,.hero__bg,.wave-bottom{display:none!important;}.hero{min-height:auto;}}