/* ============================================================
   KEKE 医疗器械数字化供应链平台 — Design System
   容器 1240px · 基准 14px · 浅蓝 + 暖杏橙 · 让器械不再冰冷
   ============================================================ */

:root{
  /* ---- 蓝：理性 / 专业 / 主色 ---- */
  --sky-050:#F4F9FD;
  --sky-100:#E8F2FB;
  --sky-200:#CFE5F6;
  --sky-300:#A6CEEC;
  --sky-400:#6BABDD;
  --sky-500:#3E8FC9;
  --sky-600:#2C74AC;
  --sky-700:#215C8B;
  --sky-800:#1B4468;

  /* ---- 暖：亲和 / 温度 / 强调 ---- */
  --warm-050:#FFF5EF;
  --warm-100:#FFE9DC;
  --warm-200:#FFD5BE;
  --warm-300:#FFB894;
  --warm-400:#F79366;
  --warm-500:#EE7545;
  --warm-600:#DC5F2C;
  --warm-700:#B8481E;

  /* ---- 文字 ---- */
  --t-1:#1B2E42;
  --t-2:#4A5E73;
  --t-3:#77899C;
  --t-4:#A2AFBD;
  --inv-1:#FFFFFF;
  --inv-2:rgba(255,255,255,.80);
  --inv-3:rgba(255,255,255,.58);
  --inv-4:rgba(255,255,255,.38);

  /* ---- 线 ---- */
  --line:#E9EFF5;
  --line-2:#DCE7F0;
  --line-3:#C6D7E6;
  --line-d:rgba(255,255,255,.16);
  --line-d2:rgba(255,255,255,.08);

  /* ---- 面 ---- */
  --bg:#FFFFFF;
  --bg-2:#F7FAFD;
  --bg-3:#EFF6FC;
  --bg-4:#E3EEF8;

  /* ---- 渐变 ---- */
  --g-warm:linear-gradient(135deg,#B8481E 0%,#EE7545 24%,#FFC09A 50%,#EE7545 76%,#C9521F 100%);
  --g-warm-hi:linear-gradient(135deg,#F0844F 0%,#FFB894 46%,#E2653A 100%);
  --g-warm-soft:linear-gradient(135deg,#FFE9DC 0%,#FFB894 100%);
  --g-primary:linear-gradient(135deg,#215C8B 0%,#3E8FC9 46%,#7FB8E4 100%);
  --g-primary-hi:linear-gradient(135deg,#2C74AC 0%,#63A9DC 52%,#3E8FC9 100%);
  --g-navy:linear-gradient(160deg,#22557D 0%,#17364F 56%,#102839 100%);
  --g-sky:linear-gradient(135deg,#F4F9FD 0%,#E8F2FB 52%,#DCEBF8 100%);

  /* ---- 阴影 ---- */
  --sh-1:0 1px 2px rgba(27,46,66,.05);
  --sh-2:0 2px 10px rgba(27,46,66,.06),0 14px 32px rgba(27,46,66,.05);
  --sh-3:0 10px 30px rgba(27,46,66,.10),0 30px 70px rgba(27,46,66,.09);
  --sh-warm:0 10px 28px rgba(238,117,69,.26);
  --sh-sky:0 10px 28px rgba(62,143,201,.22);

  /* ---- 字体 ---- */
  --ff:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --ff-serif:"Optima","Palatino Linotype","Book Antiqua","Songti SC","STSong","Noto Serif SC",Georgia,"Times New Roman",serif;
  --ff-num:"Optima","Palatino Linotype",Georgia,"Times New Roman",serif;

  /* ---- 布局 ---- */
  --container:1240px;
  --gutter:20px;
  --r:4px;
  --r-l:8px;
  --hdr-h:92px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font:14px/1.75 var(--ff);
  color:var(--t-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{display:block;max-width:100%;border:0;vertical-align:middle}
a{color:inherit;text-decoration:none;transition:color .22s ease}
ul{list-style:none}
button,input,select,textarea{font:inherit;color:inherit;border:0;outline:0;background:none}
button{cursor:pointer}
h1,h2,h3,h4,h5,h6{font-weight:400;line-height:1.3}
/* ---------- 标题字阶：结构级标题 700 / 内容与标签 400 ---------- */
.t-d1{font-weight:700;letter-spacing:-.015em}   /* 展示级：首屏 / 页面 / 区块 / 产品主标题 */
.t-d2{font-weight:700;letter-spacing:-.005em}   /* 区块级：卡片与列表主标题 */
.t-l{font-weight:700;letter-spacing:.02em}      /* 标签级：小标题、导航当前项、强调数值 */
::selection{background:var(--warm-200);color:var(--t-1)}

/* ---------- 布局 ---------- */
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:92px 0;position:relative}
.section--tint{background:var(--sky-050)}
.section--line{border-top:1px solid var(--line)}
.section--dark{background:var(--g-navy);color:var(--inv-1);position:relative;overflow:hidden}
.section--dark .sec-title{color:#fff}
.section--dark .sec-desc{color:var(--inv-2)}
.section--dark .eyebrow{color:var(--warm-300)}

/* ---------- 眉标 / 标题组 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--ff-num);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--sky-600);margin-bottom:20px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;opacity:.6}
.eyebrow i{font-style:normal;font-family:var(--ff-num);letter-spacing:.14em}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:46px}
.sec-head__l{max-width:720px}
.sec-title{font-size:32px;font-weight:700;color:var(--t-1);letter-spacing:-.005em;line-height:1.36}
.sec-title strong{font-weight:700;color:var(--warm-600)}
.sec-desc{margin-top:16px;font-size:15px;line-height:1.95;color:var(--t-3);max-width:640px}
.sec-link{
  flex:none;display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--t-2);
  padding-bottom:6px;border-bottom:1px solid var(--line-2);transition:.22s;white-space:nowrap;
}
.sec-link:hover{color:var(--sky-600);border-color:var(--sky-300)}
.sec-link::after{content:"";width:16px;height:1px;background:currentColor;transition:.22s}
.sec-link:hover::after{width:26px}
.section--dark .sec-link{color:var(--inv-2);border-color:var(--line-d)}
.section--dark .sec-link:hover{color:var(--warm-300);border-color:var(--warm-400)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:44px;padding:0 26px;border-radius:var(--r);font-size:14px;letter-spacing:.04em;
  transition:.24s cubic-bezier(.22,.61,.36,1);position:relative;overflow:hidden;white-space:nowrap;
}
.btn--warm{background:var(--g-warm-hi);color:#4A2410;font-weight:700;box-shadow:var(--sh-warm)}
.btn--warm:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(238,117,69,.34)}
.btn--blue{background:var(--g-primary-hi);color:#fff;box-shadow:var(--sh-sky)}
.btn--blue:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(62,143,201,.32)}
.btn--navy{background:var(--sky-800);color:#fff}
.btn--navy:hover{background:var(--sky-700);transform:translateY(-2px)}
.btn--ghost{border:1px solid var(--line-3);color:var(--t-1);background:#fff}
.btn--ghost:hover{border-color:var(--sky-600);background:var(--sky-600);color:#fff}
.btn--line{border:1px solid var(--line-d);color:#fff;background:rgba(255,255,255,.06)}
.btn--line:hover{border-color:var(--warm-300);color:var(--warm-200);background:rgba(255,255,255,.10)}
.btn--lg{height:52px;padding:0 36px;font-size:15px}
.btn--sm{height:36px;padding:0 18px;font-size:13px}
.btn__ico{width:15px;height:15px;flex:none}

/* ---------- 顶栏 ---------- */
.topbar{
  background:var(--sky-050);color:var(--t-3);font-size:12px;height:36px;
  border-bottom:1px solid var(--line);transition:height .3s ease,opacity .3s ease;
}
.topbar__in{display:flex;align-items:center;justify-content:space-between;height:36px}
.topbar__l,.topbar__r{display:flex;align-items:center}
.topbar a{padding:0 14px;border-right:1px solid var(--line-2);white-space:nowrap}
.topbar a:first-child{padding-left:0}
.topbar a:hover{color:var(--sky-600)}
.topbar__tel{display:flex;align-items:center;gap:8px;color:var(--sky-700);font-family:var(--ff-num);letter-spacing:.06em;white-space:nowrap}
.topbar__tel svg{width:13px;height:13px}
.topbar__tel b{font-weight:700}
.topbar__r > span{white-space:nowrap}
body.is-stuck .topbar{height:0;opacity:0;overflow:hidden;border-color:transparent}

/* ---------- 头部 ---------- */
.header{position:sticky;top:0;z-index:900;background:#fff;transition:box-shadow .3s ease}
.header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line)}
body.is-stuck .header{box-shadow:0 6px 24px rgba(27,46,66,.08)}
.header__main{display:flex;align-items:center;gap:44px;height:auto;min-height:var(--hdr-h);padding-top:12px;padding-bottom:12px;transition:min-height .3s ease}
body.is-stuck .header__main{min-height:74px;padding-top:6px;padding-bottom:6px}
body.is-stuck .search__hot{display:none}

.logo{display:flex;align-items:center;flex:none;transition:opacity .2s}
.logo__mark{height:44px;width:auto;transition:height .3s ease}
body.is-stuck .logo__mark{height:36px}
.logo__word{margin-left:12px;height:15px;width:auto;display:block}

.search{flex:1;max-width:560px;position:relative}
.search__bar{display:flex;height:46px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--sky-050);transition:.24s;overflow:hidden}
.search__bar:focus-within{border-color:var(--sky-400);background:#fff;box-shadow:0 0 0 3px rgba(107,171,221,.18)}
.search__scope{display:flex;align-items:center;gap:8px;padding:0 16px;font-size:13px;color:var(--t-2);border-right:1px solid var(--line-2);background:#fff;white-space:nowrap}
.search__scope svg{width:11px;height:11px;opacity:.55}
.search__scope b{font-weight:400}
.search__input{flex:1;min-width:0;padding:0 14px;font-size:14px;color:var(--t-1)}
.search__input::placeholder{color:var(--t-4)}
.search__btn{
  width:96px;flex:none;background:var(--g-primary);color:#fff;font-size:14px;letter-spacing:.08em;
  transition:.22s;display:flex;align-items:center;justify-content:center;gap:6px;
}
.search__btn:hover{background:var(--g-primary-hi)}
.search__btn svg{width:15px;height:15px}
.search__hot{margin-top:9px;font-size:12px;color:var(--t-4);display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden}
.search__hot span{color:var(--t-3);flex:none}
.search__hot a{padding:2px 9px;background:var(--sky-100);border-radius:2px;color:var(--sky-700);transition:.2s;flex:none}
.search__hot a:hover{background:var(--warm-100);color:var(--warm-700)}
.search__panel{
  position:absolute;top:52px;left:0;right:0;background:#fff;border:1px solid var(--line-2);
  border-radius:var(--r);box-shadow:var(--sh-3);padding:8px;display:none;z-index:60;
}
.search__panel.on{display:block;animation:pop .18s ease}
@keyframes pop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.search__panel h5{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--t-4);padding:10px 12px 6px;font-family:var(--ff-num)}
.search__panel a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 12px;border-radius:2px;font-size:13px;color:var(--t-2);transition:.16s}
.search__panel a:hover{background:var(--sky-050);color:var(--sky-700)}
.search__panel a i{font-style:normal;font-size:11px;color:var(--t-4)}
.search__panel a:hover i{color:var(--warm-500)}

.hdr-right{margin-left:auto;display:flex;align-items:center;gap:26px;flex:none}
.hdr-tel{text-align:right;line-height:1.45}
.hdr-tel b{display:block;font-family:var(--ff-num);font-size:19px;letter-spacing:.02em;color:var(--sky-800);font-weight:400}
.hdr-tel span{font-size:12px;color:var(--t-4)}
.hdr-tel b em{font-style:normal;color:var(--warm-600)}

/* ---------- 导航 ---------- */
.nav{background:#fff;border-bottom:1px solid var(--line);position:relative;box-shadow:0 1px 0 rgba(27,46,66,.02)}
.nav__in{display:flex;align-items:stretch;height:54px;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.nav__cat{
  display:flex;align-items:center;gap:10px;width:230px;flex:none;padding:0 20px;color:#fff;
  background:var(--g-primary-hi);font-size:14px;letter-spacing:.06em;transition:.24s;
  border-radius:var(--r) var(--r) 0 0;
}
.nav__cat:hover{background:var(--g-primary)}
.nav__cat svg{width:14px;height:14px}
.nav__cat::after{content:"";width:7px;height:7px;border-right:1px solid rgba(255,255,255,.6);border-bottom:1px solid rgba(255,255,255,.6);transform:rotate(45deg) translateY(-2px);margin-left:auto}
.nav__links{display:flex;align-items:stretch;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav__links::-webkit-scrollbar{display:none}
.nav__links a{
  position:relative;display:flex;align-items:center;padding:0 20px;font-size:14px;color:var(--t-2);
  white-space:nowrap;flex:none;transition:color .2s;
}
.nav__links a::after{content:"";position:absolute;left:20px;right:20px;bottom:0;height:2px;background:var(--g-warm-hi);transform:scaleX(0);transition:transform .26s}
.nav__links a:hover{color:var(--sky-700)}
.nav__links a:hover::after{transform:scaleX(1)}
.nav__links a.on{color:var(--sky-700);font-weight:700}
.nav__links a.on::after{transform:scaleX(1)}
.nav__hot{position:absolute;top:8px;right:8px;width:5px;height:5px;border-radius:50%;background:var(--warm-500)}
.nav__extra{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:12px;color:var(--t-4)}
.nav__extra a:hover{color:var(--sky-600)}

/* mega menu */
.mega{
  position:absolute;left:0;right:0;top:54px;background:#fff;box-shadow:var(--sh-3);
  border-top:1px solid var(--line);opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:.26s cubic-bezier(.22,.61,.36,1);z-index:80;
}
.mega.on{opacity:1;visibility:visible;transform:none}
.mega__in{display:grid;grid-template-columns:230px 1fr;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.mega__side{background:var(--sky-050);padding:26px 22px}
.mega__side h6{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--t-4);font-family:var(--ff-num);margin-bottom:14px}
.mega__side li{margin-bottom:9px;font-size:13px;color:var(--t-2)}
.mega__side li b{color:var(--sky-600);font-weight:700;margin-right:6px;font-family:var(--ff-num)}
.mega__main{display:grid;grid-template-columns:repeat(4,1fr);gap:0 40px;padding:26px 40px 30px}
.mega__col h5{font-size:14px;color:var(--t-1);font-weight:700;margin-bottom:4px;display:block}
.mega__col h5 em{font-style:normal;font-family:var(--ff-num);font-size:11px;color:var(--warm-500);margin-right:7px;letter-spacing:.1em}
.mega__col p{font-size:11px;color:var(--t-4);margin-bottom:10px}
.mega__col a{display:block;font-size:13px;color:var(--t-3);padding:4px 0;transition:.18s}
.mega__col a:hover{color:var(--sky-600);transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.crumb{background:var(--bg-2);border-bottom:1px solid var(--line);font-size:13px;color:var(--t-4)}
.crumb__in{display:flex;align-items:center;gap:8px;height:48px}
.crumb a:hover{color:var(--sky-600)}
.crumb span{opacity:.55}
.crumb b{color:var(--t-2);font-weight:400}

/* ---------- 进场动画（仅在 JS 可用时启用，避免无脚本时内容不可见） ---------- */
.rv{opacity:1;transform:none}
.js-reveal .rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.js-reveal .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}.rv-d5{transition-delay:.4s}.rv-d6{transition-delay:.48s}

/* ---------- 回到顶部 ---------- */
.totop{
  position:fixed;right:28px;bottom:34px;width:46px;height:46px;border-radius:50%;
  background:var(--sky-700);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-3);opacity:0;visibility:hidden;transform:translateY(14px);transition:.3s;z-index:700;
}
.totop.on{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--warm-500)}
.totop svg{width:16px;height:16px}

/* ---------- 页脚 ---------- */
.footer{background:var(--g-navy);color:var(--inv-3);position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 380px at 12% 0%,rgba(107,171,221,.16),transparent 65%),
  radial-gradient(700px 320px at 92% 100%,rgba(255,184,148,.10),transparent 60%);pointer-events:none}
.footer__svc{border-bottom:1px solid rgba(255,255,255,.08)}
.footer__svc-in{display:grid;grid-template-columns:repeat(4,1fr);max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.footer__svc-i{padding:34px 20px;display:flex;gap:16px;align-items:flex-start;border-right:1px solid rgba(255,255,255,.08)}
.footer__svc-i:last-child{border-right:0}
.footer__svc-i .ic{width:38px;height:38px;flex:none;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,184,148,.34);border-radius:50%;color:var(--warm-300)}
.footer__svc-i .ic svg{width:18px;height:18px;display:block}
.footer__svc-i h5{font-size:15px;color:#fff;font-weight:700;margin-bottom:3px}
.footer__svc-i p{font-size:12px;color:var(--inv-4);line-height:1.7}
.footer__main{position:relative;padding:56px 0 44px}
.footer__main-in{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr 1.1fr;gap:40px;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.footer__brand .logo__mark{height:38px}
.footer__brand .logo__word{height:14px;margin-top:8px}
.footer__brand p{font-size:13px;line-height:2;color:var(--inv-4);margin-top:18px;max-width:280px}
.footer__brand .tel{margin-top:22px;font-family:var(--ff-num)}
.footer__brand .tel b{display:block;font-size:25px;color:var(--warm-300);font-weight:400;letter-spacing:.02em}
.footer__brand .tel span{font-size:12px;color:var(--inv-4)}
.footer__col h6{font-size:12px;color:#fff;font-weight:700;letter-spacing:.1em;margin-bottom:18px;position:relative;padding-bottom:12px}
.footer__col h6::after{content:"";position:absolute;left:0;bottom:0;width:20px;height:1px;background:var(--g-warm-hi)}
.footer__col li{font-size:13px;margin-bottom:11px}
.footer__col a{color:var(--inv-4);transition:.2s}
.footer__col a:hover{color:var(--warm-300)}
.footer__cert{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);padding:16px 18px;border-radius:var(--r)}
.footer__cert .qr{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.footer__cert .qr img{width:64px;height:64px;flex:none;border-radius:3px;background:#fff;padding:3px;opacity:.92}
.footer__cert .qr em{font-style:normal;font-size:11px;color:var(--inv-4);opacity:.85;display:block;margin-top:3px}
.footer__cert .qr p{font-size:12px;line-height:1.8;color:var(--inv-4)}
.footer__cert .qr p b{display:block;color:var(--warm-300);font-weight:700;font-size:13px}
.footer__bot{border-top:1px solid rgba(255,255,255,.08);position:relative}
.footer__bot-in{max-width:var(--container);margin:0 auto;padding:22px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12px;color:var(--inv-4)}
.footer__bot-in .links{display:flex;gap:0;flex-wrap:wrap}
.footer__bot-in .links a{padding:0 12px;border-right:1px solid rgba(255,255,255,.1)}
.footer__bot-in .links a:first-child{padding-left:0}
.footer__bot-in .links a:hover{color:var(--warm-300)}
.footer__bot-in .links a:last-child{border-right:0}
.footer__lic{font-size:11px;color:rgba(255,255,255,.32);margin-top:8px;letter-spacing:.02em}

/* ---------- 咨询弹层 ---------- */
.mask{
  position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;
  background:rgba(23,54,79,.55);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:.3s;
}
.mask.on{opacity:1;visibility:visible}
.modal{
  position:relative;width:100%;max-width:640px;max-height:92vh;overflow:auto;background:#fff;
  border-radius:var(--r-l);box-shadow:var(--sh-3);transform:translateY(22px) scale(.985);
  transition:.36s cubic-bezier(.22,.61,.36,1);
}
.mask.on .modal{transform:none}
.modal__x{
  position:absolute;right:16px;top:16px;width:34px;height:34px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;color:var(--t-4);transition:.24s;z-index:3;
}
.modal__x:hover{background:var(--sky-050);color:var(--t-1)}
.modal__x svg{width:16px;height:16px}
.modal__hd{padding:38px 40px 26px;border-bottom:1px solid var(--line)}
.modal__hd .eyebrow{margin-bottom:12px}
.modal__hd h3{font-size:24px;color:var(--t-1);font-weight:700;margin-bottom:8px}
.modal__hd p{font-size:13px;color:var(--t-3)}
.modal__form{padding:28px 40px 38px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.modal__form label{display:block;font-size:12px;color:var(--t-3);margin-bottom:16px}
.modal__form .f-full{margin-bottom:16px}
.f-row label{margin-bottom:0}
.modal__form input,.modal__form textarea{
  display:block;width:100%;margin-top:7px;height:42px;padding:0 12px;font-size:14px;color:var(--t-1);
  background:var(--sky-050);border:1px solid var(--line-2);border-radius:var(--r);transition:.22s;resize:vertical;
}
.modal__form textarea{height:auto;padding:10px 12px;line-height:1.7}
.modal__form input:focus,.modal__form textarea:focus{border-color:var(--sky-400);background:#fff;box-shadow:0 0 0 3px rgba(107,171,221,.18)}
.modal__form input::placeholder,.modal__form textarea::placeholder{color:var(--t-4)}
.f-note{
  font-size:12px;color:var(--sky-700);background:var(--sky-050);border:1px solid var(--sky-100);
  border-radius:var(--r);padding:11px 14px;line-height:1.75;margin-bottom:18px;
}
.f-done{
  display:none;margin-top:16px;font-size:13px;color:#1a7a52;background:#EAF8F1;border:1px solid #C4E9D8;
  border-radius:var(--r);padding:12px 16px;line-height:1.7;
}
@media (max-width:760px){
  .modal__hd{padding:30px 22px 20px}
  .modal__form{padding:22px}
  .f-row{grid-template-columns:1fr}
}

/* ---------- 工具类 ---------- */
.clearfix::after{content:"";display:block;clear:both}

/* ---------- 降级：偏好减少动效时，所有内容直接可见 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .rv,.rv.in,.js-reveal .rv{opacity:1!important;transform:none!important;transition:none!important}
  .brands__row{animation:none!important}
  .hero__copy.on{animation:none!important}
  .hero__slide img{transition:none!important}
  .hero__dots button.on::after{animation:none!important}
  *{transition-duration:.01ms!important}
}
.l2{overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.l1{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.tag{display:inline-flex;align-items:center;height:22px;padding:0 8px;font-size:11px;letter-spacing:.04em;border-radius:2px;background:var(--sky-100);color:var(--sky-700)}
.tag--warm{background:var(--warm-100);color:var(--warm-700)}
.tag--ink{background:var(--sky-800);color:#fff}
.rule{height:1px;background:var(--line);border:0}

@media (max-width:1240px){
  .mega__main{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1320px){
  .nav__extra{display:none}
}
@media (max-width:1200px){
  .nav__cat{width:200px;padding:0 16px}
  .nav__links a{padding:0 13px;font-size:13px}
}
@media (max-width:1150px){
  .search__hot{display:none}
}
@media (max-width:980px){
  .topbar__r > span:last-child{display:none}
  .topbar__l a:nth-child(n+3){display:none}
}
@media (max-width:1080px){
  :root{--hdr-h:78px}
  .search__hot{display:none}
  .hdr-tel{display:none}
  .nav__links a{padding:0 13px;font-size:13px}
  .mega__main{grid-template-columns:repeat(2,1fr)}
  .footer__main-in{grid-template-columns:1fr 1fr 1fr;gap:34px}
  .footer__brand{grid-column:1/-1}
}
@media (max-width:760px){
  .section{padding:60px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px}
  .sec-title{font-size:25px}
  .search{display:none}
  .nav__links{display:none}
  .footer__svc-in{grid-template-columns:1fr 1fr}
  .footer__main-in{grid-template-columns:1fr 1fr}
  .mega__main{grid-template-columns:1fr}
}