@charset "utf-8";
/* ==========================================================================
   湖北君典节能科技有限公司 · 纽恩泰空气能宜昌授权代理
   设计系统 —— 色彩/字体取自纽恩泰官网 ne01.com 实测值
   ========================================================================== */

:root{
  --blue:#003894;          /* 纽恩泰主色 */
  --blue-lt:#0058dd;       /* 纽恩泰辅色 */
  --blue-dk:#00266a;
  --green:#31a517;         /* 君典点缀色（节能语义） */
  --green-dk:#268312;
  --dark:#141e2a;          /* 深色底 */
  --tint:#d1ddf2;          /* 浅蓝 */
  --g1:#333;--g2:#666;--g3:#999;
  --line:#e5e5e5;
  --soft:#eef2f4;--softer:#f8fafb;
  --white:#fff;
  --radius:4px;
  --shadow:0 4px 24px rgba(0,0,0,.08);
  --shadow-lg:0 12px 40px rgba(0,56,148,.14);
  --ease:cubic-bezier(.25,.8,.25,1);
  --header-h:80px;
  --maxw:1440px;
  --pad:80px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{
  font-family:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",
              "Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--g1);background:var(--white);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
ul,ol{list-style:none}
h1,h2,h3,h4,h5{font-weight:600;line-height:1.35;color:var(--g1)}
button{font:inherit;cursor:pointer;border:0;background:none}
table{border-collapse:collapse;width:100%}

/* ---------- 布局 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px}
.section{padding:var(--pad) 0}
.section--soft{background:var(--softer)}
.section--tint{background:var(--soft)}

/* ---------- 区块标题 ---------- */
.sec-head{text-align:center;margin-bottom:56px}
.sec-head__en{
  font-family:Montserrat,Arial,sans-serif;font-size:14px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--blue);opacity:.5;font-weight:600;margin-bottom:10px;
}
.sec-head__t{font-size:40px;letter-spacing:.02em;color:var(--dark)}
.sec-head__t em{font-style:normal;color:var(--blue)}
.sec-head__d{margin-top:16px;color:var(--g2);font-size:17px;max-width:820px;margin-left:auto;margin-right:auto}
.sec-head--left{text-align:left}
.sec-head--left .sec-head__d{margin-left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 34px;border-radius:var(--radius);font-size:16px;font-weight:500;
  transition:all .3s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-lt);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,88,221,.3)}
.btn--green{background:var(--green);color:#fff}
.btn--green:hover{background:var(--green-dk);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(49,165,23,.3)}
.btn--ghost{border:1px solid rgba(255,255,255,.6);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--blue);border-color:#fff}
.btn--line{border:1px solid var(--blue);color:var(--blue)}
.btn--line:hover{background:var(--blue);color:#fff}
.btn--sm{height:42px;padding:0 22px;font-size:15px}

/* ==========================================================================
   顶部导航
   ========================================================================== */
.hdr{
  position:fixed;top:0;left:0;right:0;z-index:900;height:var(--header-h);
  transition:background .35s var(--ease),box-shadow .35s var(--ease);
}
.hdr::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,0));
  transition:opacity .35s var(--ease);
}
.hdr__in{position:relative;display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px;gap:20px}
.hdr__logo{flex:0 0 auto;display:block}
.hdr__logo img{height:24px;width:auto;transition:opacity .3s var(--ease)}
.hdr__logo .l-dark,.hdr__logo .l-stack,.hdr__logo .l-stack-w{display:none}

/* 滚动后 / 内页：白底 */
.hdr.is-solid,.hdr--inner{background:#fff;box-shadow:0 2px 16px rgba(0,0,0,.07)}
.hdr.is-solid::before,.hdr--inner::before{opacity:0}
.hdr.is-solid .l-light,.hdr--inner .l-light{display:none}
.hdr.is-solid .l-dark,.hdr--inner .l-dark{display:block}
.hdr.is-solid .nav__link,.hdr--inner .nav__link{color:var(--g1)}
.hdr.is-solid .hdr__tel,.hdr--inner .hdr__tel{color:var(--blue)}
.hdr.is-solid .burger span,.hdr--inner .burger span{background:var(--g1)}

.nav{flex:1;display:flex;align-items:center;justify-content:center;height:100%}
.nav__item{position:relative;height:100%;display:flex;align-items:center}
.nav__link{
  display:flex;align-items:center;gap:5px;height:100%;padding:0 13px;font-size:15px;color:#fff;position:relative;white-space:nowrap;
}
.nav__link .caret{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.7;transition:transform .25s var(--ease)}
.nav__link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:22px;height:2px;background:#003894;
  transform:scaleX(0);transform-origin:center;transition:transform .3s var(--ease);
}
.nav__item:hover .nav__link::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--blue-lt)}
.hdr.is-solid .nav__item:hover .nav__link,.hdr--inner .nav__item:hover .nav__link{color:var(--blue)}

/* 二级菜单 */
.nav__sub{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);
  min-width:190px;background:#fff;box-shadow:var(--shadow);border-radius:var(--radius);
  padding:10px 0;opacity:0;visibility:hidden;transition:all .28s var(--ease);
  border-top:2px solid var(--blue);
}
.nav__item:hover .nav__sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav__sub a{display:block;padding:10px 24px;font-size:15px;color:var(--g2);white-space:nowrap}
.nav__sub a:hover{background:var(--softer);color:var(--blue);padding-left:30px}

.hdr__tels{
  display:flex;flex-direction:column;align-items:flex-end;gap:1px;flex:0 0 auto;line-height:1.15;
}
.hdr__tel{
  display:flex;align-items:center;gap:8px;font-family:Montserrat,Arial,sans-serif;
  font-size:20px;font-weight:700;color:#fff;letter-spacing:.02em;flex:0 0 auto;
}
.hdr__tels .hdr__tel{font-size:16px;gap:6px}
.hdr__tel svg{width:19px;height:19px;fill:currentColor;flex:0 0 auto}
.hdr__tels .hdr__tel svg{width:15px;height:15px}

.burger{display:none;flex-direction:column;gap:5px;padding:8px;margin-left:auto}
.burger span{display:block;width:24px;height:2px;background:#fff;transition:all .3s var(--ease)}

/* ==========================================================================
   首页 Hero
   ========================================================================== */
.hero{position:relative;height:100vh;min-height:560px;max-height:860px;overflow:hidden;background:var(--dark)}
.hero__slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1.1s var(--ease);
}
.hero__slide.is-on{opacity:1}
.hero__slide img{width:100%;height:100%;object-fit:cover}
.hero__slide::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(2,11,32,.88) 0%,rgba(2,11,32,.74) 30%,rgba(2,11,32,.34) 62%,rgba(2,11,32,.08) 100%),
    linear-gradient(180deg,rgba(2,11,32,.28) 0%,rgba(2,11,32,0) 34%);
}
.hero__txt{
  position:absolute;z-index:3;left:0;right:0;top:50%;transform:translateY(-45%);
  max-width:var(--maxw);margin:0 auto;padding:0 40px;color:#fff;
}
.hero__tag{
  display:inline-flex;align-items:center;gap:9px;height:34px;padding:0 16px;margin-bottom:24px;
  border:1px solid rgba(255,255,255,.4);border-radius:20px;font-size:14px;letter-spacing:.04em;
  backdrop-filter:blur(4px);background:rgba(255,255,255,.08);
}
.hero__tag i{width:6px;height:6px;border-radius:50%;background:var(--green);flex:0 0 auto}
.hero h1{font-size:60px;line-height:1.2;color:#fff;font-weight:600;letter-spacing:.01em}
.hero h1 em{font-style:normal;color:#7fb4ff}
.hero__sub{margin-top:22px;font-size:20px;line-height:1.75;color:rgba(255,255,255,.85);max-width:660px}
.hero__meta{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:12px 28px;
  font-size:15px;color:rgba(255,255,255,.78);
}
.hero__meta span{display:flex;align-items:center;gap:8px}
.hero__meta svg{width:16px;height:16px;fill:var(--green);flex:0 0 auto}
.hero__btns{margin-top:40px;display:flex;flex-wrap:wrap;gap:16px}

.hero__dots{position:absolute;z-index:4;bottom:46px;left:50%;transform:translateX(-50%);display:flex;gap:12px}
.hero__dots button{width:34px;height:3px;background:rgba(255,255,255,.35);border-radius:2px;transition:all .3s var(--ease)}
.hero__dots button.is-on{background:#fff;width:52px}

/* ---------- 内页 banner ---------- */
.pbanner{position:relative;height:380px;background:var(--blue-dk);overflow:hidden;margin-top:0}
.pbanner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.pbanner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,24,80,.25),rgba(0,24,80,.55))}
.pbanner__in{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;
  max-width:var(--maxw);margin:0 auto;padding:0 40px 48px;color:#fff}
.pbanner h1{font-size:42px;color:#fff;font-weight:600}
.pbanner p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.82);max-width:760px}
.pbanner .crumb{margin-top:14px;font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.04em}
.pbanner .crumb a{color:#fff}
.pbanner .crumb a:hover{color:#d1ddf2}
.pbanner .crumb span{margin:0 8px;opacity:.5}

/* 面包屑（独立条，备用） */
.crumb-bar{border-bottom:1px solid var(--line);background:#fff}
.crumb-bar .crumb{max-width:var(--maxw);margin:0 auto;padding:16px 40px;font-size:14px;color:var(--g3)}
.crumb-bar a{color:var(--g2)}
.crumb-bar a:hover{color:var(--blue)}
.crumb-bar span{margin:0 8px;color:var(--line)}

/* ==========================================================================
   通用卡片/网格
   ========================================================================== */
.grid{display:grid;gap:28px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--5{grid-template-columns:repeat(5,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:all .38s var(--ease);display:flex;flex-direction:column;
}
.card:hover{border-color:transparent;box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.card__pic{position:relative;overflow:hidden;background:var(--softer);aspect-ratio:3/2}
.card__pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.card:hover .card__pic img{transform:scale(1.06)}
.card__body{padding:26px 24px 30px;flex:1;display:flex;flex-direction:column}
.card__t{font-size:20px;color:var(--dark);margin-bottom:10px}
.card:hover .card__t{color:var(--blue)}
.card__d{font-size:15px;color:var(--g2);line-height:1.8;flex:1}
.card__more{margin-top:18px;font-size:14px;color:var(--blue);display:inline-flex;align-items:center;gap:6px}
.card__more::after{content:"→";transition:transform .3s var(--ease)}
.card:hover .card__more::after{transform:translateX(5px)}

/* ---------- 五大应用领域 ---------- */
.apps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.app{
  position:relative;padding:44px 26px;text-align:center;background:#fff;
  border-right:1px solid var(--line);transition:all .4s var(--ease);
}
.app:last-child{border-right:0}
.app::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--blue);
  transform:scaleX(0);transition:transform .4s var(--ease);
}
.app:hover{background:var(--softer)}
.app:hover::before{transform:scaleX(1)}
.app__ico{
  width:64px;height:64px;margin:0 auto 20px;border-radius:50%;background:var(--soft);
  display:flex;align-items:center;justify-content:center;transition:all .4s var(--ease);
}
.app__ico svg{width:30px;height:30px;fill:var(--blue);transition:fill .4s var(--ease)}
.app:hover .app__ico{background:var(--blue);transform:translateY(-4px)}
.app:hover .app__ico svg{fill:#fff}
.app__t{font-size:19px;color:var(--dark);margin-bottom:8px}
.app__d{font-size:14px;color:var(--g3);line-height:1.7}

/* ---------- 解决方案（左右交错） ---------- */
.sol{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0}
.sol+.sol{margin-top:0}
.sol__pic{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--soft)}
.sol__pic img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.sol:hover .sol__pic img{transform:scale(1.05)}
.sol__txt{padding:0 70px}
.sol__no{font-family:Montserrat,Arial,sans-serif;font-size:56px;font-weight:700;color:var(--soft);line-height:1;margin-bottom:-14px}
.sol__t{font-size:32px;color:var(--dark);margin-bottom:8px}
.sol__slogan{font-size:19px;color:var(--blue);font-weight:500;margin-bottom:18px}
.sol__d{color:var(--g2);font-size:16px;line-height:1.9}
.sol__list{margin:22px 0 30px;display:flex;flex-wrap:wrap;gap:10px}
.sol__list li{
  padding:7px 15px;background:var(--soft);border-radius:20px;font-size:14px;color:var(--blue);
}
.sol--rev .sol__pic{order:2}
.sol--rev .sol__txt{order:1}

/* ---------- 数字统计 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;text-align:center}
.stat{padding:0 20px;border-right:1px solid rgba(255,255,255,.14)}
.stat:last-child{border-right:0}
.stat__n{
  font-family:Montserrat,Arial,sans-serif;font-size:56px;font-weight:700;color:#fff;line-height:1;
  display:flex;align-items:baseline;justify-content:center;gap:2px;
}
.stat__n small{font-size:22px;font-weight:500}
.stat__l{margin-top:12px;font-size:15px;color:rgba(255,255,255,.65)}

/* ---------- 产品卡（去背图） ---------- */
.pcard{background:linear-gradient(180deg,var(--softer),#fff);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 24px 32px;text-align:center;transition:all .38s var(--ease)}
.pcard:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:transparent}
.pcard__pic{height:230px;display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.pcard__pic img{max-height:100%;width:auto;transition:transform .5s var(--ease)}
.pcard:hover .pcard__pic img{transform:scale(1.06)}
.pcard__t{font-size:19px;color:var(--dark)}
.pcard__s{margin-top:8px;font-size:14px;color:var(--g3)}
.pcard__tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.pcard__tags span{font-size:12px;color:var(--blue);background:var(--soft);padding:4px 11px;border-radius:12px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  width:100%;display:flex;align-items:flex-start;gap:16px;padding:26px 0;text-align:left;
  font-size:19px;color:var(--dark);font-weight:500;transition:color .25s var(--ease);
}
.faq__q:hover{color:var(--blue)}
.faq__q i{
  flex:0 0 auto;width:24px;height:24px;margin-top:4px;position:relative;
}
.faq__q i::before,.faq__q i::after{
  content:"";position:absolute;background:var(--blue);transition:all .3s var(--ease);
}
.faq__q i::before{left:0;top:11px;width:24px;height:2px}
.faq__q i::after{left:11px;top:0;width:2px;height:24px}
.faq__item.is-open .faq__q i::after{transform:rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.faq__a>div{padding:0 0 28px 40px;color:var(--g2);font-size:16px;line-height:1.9}
.faq__a p+p{margin-top:12px}

/* ---------- 联系区 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch}
.contact-info{background:var(--blue);color:#fff;padding:66px 60px}
.contact-info h2{color:#fff;font-size:34px;margin-bottom:14px}
.contact-info>p{color:rgba(255,255,255,.75);font-size:16px;margin-bottom:40px}
.cinfo{display:flex;gap:18px;padding:22px 0;border-top:1px solid rgba(255,255,255,.16)}
.cinfo__ico{flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center}
.cinfo__ico svg{width:20px;height:20px;fill:#fff}
.cinfo__l{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.04em}
.cinfo__v{font-size:19px;color:#fff;margin-top:3px;line-height:1.6}
.cinfo__v a{color:#fff}
.cinfo__v--tel{font-family:Montserrat,Arial,sans-serif;font-size:30px;font-weight:700;letter-spacing:.01em}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery--2{grid-template-columns:repeat(2,1fr)}
.gallery figure{margin:0}
.gallery img{width:100%;height:220px;object-fit:cover;border-radius:var(--radius);background:var(--soft);display:block}
.gallery figcaption{font-size:13px;color:var(--g3);padding:8px 2px 0}
.cert-box{text-align:center}
.cert-box img{max-width:min(480px,100%);height:auto;margin:0 auto;display:block;box-shadow:var(--shadow-lg);border-radius:2px;background:#fff}
@media (max-width:640px){
  .gallery,.gallery--2{grid-template-columns:1fr}
  .gallery img{height:210px}
}

/* ==========================================================================
   页脚
   ========================================================================== */
.ftr{background:var(--dark);color:rgba(255,255,255,.62);font-size:15px}
.ftr__top{padding:70px 0 50px;display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr 1.4fr;gap:36px}
.ftr__logo img{height:50px;width:auto;margin-bottom:22px}
.ftr__desc{line-height:1.9;font-size:14px;color:rgba(255,255,255,.5)}
.ftr h4{color:#fff;font-size:17px;margin-bottom:22px;font-weight:500}
.ftr__nav li{margin-bottom:12px}
.ftr__nav a{color:rgba(255,255,255,.55);font-size:14px}
.ftr__nav a:hover{color:#fff}
.ftr__c li{margin-bottom:14px;line-height:1.7;font-size:14px;color:rgba(255,255,255,.55)}
.ftr__c strong{display:block;color:#fff;font-size:15px;font-weight:500;margin-bottom:2px}
.ftr__tel{font-family:Montserrat,Arial,sans-serif;font-size:28px;font-weight:700;color:#fff;letter-spacing:.01em}
.ftr__tel a{color:#fff}
.ftr__bot{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.42);
}
.ftr__bot a{color:rgba(255,255,255,.55)}
.ftr__bot a:hover{color:#fff}
.ftr__disc{
  padding:16px 0 0;font-size:13px;line-height:1.8;color:rgba(255,255,255,.35);
}

/* ---------- 悬浮联系条 ---------- */
.float{position:fixed;right:20px;bottom:90px;z-index:800;display:flex;flex-direction:column;gap:1px}
.float a{
  width:60px;height:60px;background:var(--blue);color:#fff;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:3px;font-size:11px;transition:background .25s var(--ease);
}
.float a:first-child{border-radius:var(--radius) var(--radius) 0 0}
.float a:last-child{border-radius:0 0 var(--radius) var(--radius)}
.float a:hover{background:var(--blue-lt);color:#fff}
.float a.is-green{background:var(--green)}
.float a.is-green:hover{background:var(--green-dk)}
.float svg{width:22px;height:22px;fill:currentColor}
.float__bar{display:none}

/* ---------- 滚动出现动画 ---------- */
/* 默认可见：无 JS / 爬虫渲染时内容不会消失。
   仅当 <html class="js"> 存在（由 head 内联脚本添加）才启用入场动画。 */
.js .rv{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .rv.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .rv{opacity:1;transform:none;transition:none}
}

/* ==========================================================================
   Delipool 信息架构 + 纽恩泰视觉：解决方案图卡 / 案例 / 新闻 / 荣誉
   ========================================================================== */
.lead{
  font-size:18px;line-height:2;color:var(--g1);max-width:1100px;margin:0 auto;text-align:center
}
.lead a{color:var(--blue);font-weight:600}

/* 图文覆盖卡（对标 delipool destination-price-item） */
.dest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dest{
  position:relative;display:block;overflow:hidden;border-radius:var(--radius);color:#fff;background:var(--dark)
}
.dest img{width:100%;height:260px;object-fit:cover;display:block;transition:transform .7s var(--ease)}
.dest:hover img{transform:scale(1.07)}
.dest__info{
  position:absolute;left:0;right:0;bottom:0;padding:56px 20px 18px;
  background:linear-gradient(180deg,transparent,rgba(0,24,80,.92));
}
.dest__t{font-size:18px;color:#fff;font-weight:600;margin-bottom:6px}
.dest__d{
  font-size:13px;line-height:1.65;color:rgba(255,255,255,.78);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.dest__more{display:inline-block;margin-top:8px;font-size:12px;letter-spacing:.08em;color:#7fb4ff}

/* 案例列表卡 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.case-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .35s var(--ease)}
.case-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);border-color:transparent}
.case-card__pic{aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.case-card__pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.case-card:hover .case-card__pic img{transform:scale(1.05)}
.case-card__body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.case-card__t{font-size:18px;color:var(--dark);margin-bottom:10px}
.case-card:hover .case-card__t{color:var(--blue)}
.case-card__d{font-size:14px;color:var(--g2);line-height:1.75;flex:1}
.case-card__more{margin-top:16px;font-size:13px;color:var(--blue)}

/* 首页新闻：左主图 + 右列表 */
.news-home{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:stretch}
.news-feat{display:block;color:inherit}
.news-feat img{width:100%;height:300px;object-fit:cover;border-radius:var(--radius);background:var(--soft)}
.news-feat__t{font-size:24px;color:var(--dark);margin:18px 0 10px;line-height:1.4}
.news-feat:hover .news-feat__t{color:var(--blue)}
.news-feat__d{font-size:15px;color:var(--g2);line-height:1.85}
.news-feat__m{margin-top:12px;font-size:13px;color:var(--g3)}
.news-list{display:flex;flex-direction:column}
.news-list a{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);color:inherit;align-items:flex-start
}
.news-list a:first-child{padding-top:0}
.news-list img{width:132px;height:88px;object-fit:cover;border-radius:2px;flex:0 0 auto;background:var(--soft)}
.news-list__t{font-size:16px;color:var(--dark);line-height:1.45;margin-bottom:6px}
.news-list a:hover .news-list__t{color:var(--blue)}
.news-list__d{font-size:13px;color:var(--g3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 荣誉 / 合作背书 */
.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.honor{
  position:relative;overflow:hidden;border-radius:var(--radius);min-height:180px;display:flex;align-items:flex-end
}
.honor img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.honor::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,32,90,.15),rgba(0,24,80,.82))}
.honor span{position:relative;z-index:1;color:#fff;font-size:18px;padding:22px;font-weight:600}

/* 联系三栏（对标 delipool feature-box） */
.ibox{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ibox__item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;text-align:center
}
.ibox__item svg{width:36px;height:36px;fill:var(--blue);margin-bottom:14px}
.ibox__item h3{font-size:18px;margin-bottom:8px}
.ibox__item p{font-size:15px;color:var(--g2);line-height:1.7}
.ibox__item a{color:var(--blue);font-weight:600}

/* 文章正文 */
.prose{max-width:860px;margin:0 auto;font-size:17px;line-height:2;color:var(--g2)}
.prose h2{font-size:26px;color:var(--dark);margin:36px 0 14px}
.prose h3{font-size:20px;color:var(--dark);margin:28px 0 10px}
.prose p+p{margin-top:14px}
.prose ul,.prose ol{margin:12px 0 18px 22px}
.prose li{margin:6px 0;list-style:disc}
.prose a{color:var(--blue)}
.prose strong{color:var(--g1)}
.prose table{width:100%;border-collapse:collapse;margin:18px 0 28px;font-size:15px;line-height:1.6}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.prose th{background:var(--soft);color:var(--g1);font-weight:600}
.prose .area-travel{color:var(--blue);font-weight:600}
.article-faq{max-width:860px;margin:48px auto 0}
.related{max-width:1100px;margin:56px auto 0}
.related__t{font-size:22px;margin-bottom:20px;color:var(--g1)}
a.area-chip{display:inline-block;text-decoration:none}
a.area-chip:hover{background:var(--blue);color:#fff}

/* 筛选条 */
.tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px}
.tabs a{
  padding:8px 18px;border:1px solid var(--line);border-radius:20px;font-size:14px;color:var(--g2)
}
.tabs a:hover,.tabs a.is-on{background:var(--blue);border-color:var(--blue);color:#fff}

.note{
  font-size:13px;color:var(--g3);text-align:center;margin-top:28px;line-height:1.8
}

/* 关于页左右栏 */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.split__txt{font-size:17px;line-height:2;color:var(--g2)}
.split__txt p+p{margin-top:16px}
.split__pic{overflow:hidden;border-radius:var(--radius)}
.split__pic img{width:100%;height:100%;object-fit:cover;display:block}

/* 内页 CTA */
.cta{background:var(--blue);padding:64px 0;text-align:center;color:#fff}
.cta h2{color:#fff;font-size:32px;margin-bottom:12px}
.cta p{color:rgba(255,255,255,.8);font-size:17px;margin-bottom:28px}
.cta__btns{display:flex;flex-wrap:wrap;justify-content:center;align-items:center}
.cta__btns .btn{margin:8px}
.area-chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:980px;margin:0 auto}
.area-chip{padding:10px 20px;background:var(--soft);border-radius:22px;font-size:15px;color:var(--blue);white-space:nowrap}

@media (max-width:1280px){
  .nav__link{padding:0 10px;font-size:14px}
  .dest-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .nav{flex:none}
  .dest-grid,.case-grid,.honor-grid,.ibox{grid-template-columns:repeat(2,1fr)}
  .news-home,.split{grid-template-columns:1fr;gap:28px}
  .news-feat img{height:220px}
  .ftr__top{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .dest-grid,.case-grid,.honor-grid,.ibox,.news-home{grid-template-columns:1fr}
  .dest img{height:220px}
  .pbanner{height:240px}
  .pbanner h1{font-size:26px}
  .pbanner p{display:none}
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1280px){
  :root{--pad:64px}
  .wrap,.hdr__in,.hero__txt,.pbanner__in,.crumb__in{padding-left:28px;padding-right:28px}
  .nav__link{padding:0 10px;font-size:14px}
  .hero h1{font-size:48px}
  .sol__txt{padding:0 44px}
  .sec-head__t{font-size:34px}
}
@media (max-width:1200px){
  .hdr__tel,.hdr__tels{display:none}
}
@media (max-width:1024px){
  :root{--header-h:64px;--pad:52px}
  .hdr__tel,.hdr__tels{display:none}
  .burger{display:flex}
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:#fff;flex-direction:column;
    align-items:stretch;justify-content:flex-start;flex:none;height:auto;overflow-y:auto;padding:8px 0 40px;
    transform:translateX(100%);transition:transform .35s var(--ease);
  }
  .nav.is-open{transform:none}
  .nav__item{height:auto;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
  .nav__item:hover .nav__sub{transform:none}
  .nav__link{height:54px;padding:0 28px;color:var(--g1)!important;font-size:16px;justify-content:space-between}
  .nav__link::after{display:none}
  .nav__sub{
    position:static;transform:none;box-shadow:none;border:0;
    background:var(--softer);padding:6px 0;min-width:0;border-top:0;
    opacity:1;visibility:visible;
  }
  .js .nav__sub{
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;padding:0;
    transition:max-height .28s var(--ease),opacity .22s var(--ease),padding .28s var(--ease);
  }
  .js .nav__item.is-open .nav__sub{
    max-height:480px;opacity:1;visibility:visible;padding:6px 0;
  }
  .nav__item.is-open .nav__link .caret{transform:rotate(-135deg) translateY(1px);opacity:1}
  .nav__sub a{padding:11px 44px}
  .apps{grid-template-columns:repeat(2,1fr)}
  .app{border-bottom:1px solid var(--line)}
  .app:nth-child(2n){border-right:0}
  .grid--4,.grid--5{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .sol{grid-template-columns:1fr}
  .sol--rev .sol__pic{order:0}
  .sol--rev .sol__txt{order:0}
  .sol__txt{padding:40px 28px 56px}
  .contact-grid{grid-template-columns:1fr}
  .contact-map{min-height:340px}
  .ftr__top{grid-template-columns:1fr 1fr;gap:36px}
  .stats{grid-template-columns:repeat(2,1fr);gap:36px 0}
  .stat{border-right:0}
  .stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.14)}
  .hero{height:auto;min-height:0;max-height:none;padding:calc(var(--header-h) + 70px) 0 80px}
  .hero__slide{position:absolute}
  .hero__txt{position:relative;top:auto;transform:none}
  .hero h1{font-size:38px}
  .hero__sub{font-size:17px}
  .pbanner{height:300px}
  .pbanner h1{font-size:32px}
}
@media (max-width:640px){
  :root{--pad:44px}
  body{font-size:15px}
  /* 移动端：横排双标太宽会被截断，换成双行堆叠版 */
  .hdr__logo .l-light,.hdr__logo .l-dark{display:none!important}
  .hdr__logo .l-stack-w{display:block}
  .hdr.is-solid .l-stack-w,.hdr--inner .l-stack-w{display:none}
  .hdr.is-solid .l-stack,.hdr--inner .l-stack{display:block}
  .hdr__logo img{height:38px}
  .ftr__logo img{height:46px}
  .wrap,.hdr__in,.hero__txt,.pbanner__in,.crumb__in{padding-left:18px;padding-right:18px}
  .sec-head{margin-bottom:36px}
  .sec-head__t{font-size:27px}
  .sec-head__d{font-size:15px}
  .hero h1{font-size:30px}
  .hero__sub{font-size:16px;margin-top:16px}
  .hero__btns{margin-top:28px;gap:12px}
  .hero__btns .btn{flex:1;padding:0 18px;font-size:15px}
  .grid{gap:18px}
  .grid--3,.grid--4,.grid--5{grid-template-columns:1fr}
  .apps{grid-template-columns:1fr}
  .app{border-right:0;padding:32px 22px}
  .sol__t{font-size:25px}
  .sol__no{font-size:44px}
  .contact-info{padding:44px 20px}
  .contact-info h2{font-size:26px}
  .cinfo__v--tel{font-size:26px}
  .ftr__top{grid-template-columns:1fr;gap:34px;padding:48px 0 36px}
  .stats{grid-template-columns:1fr;gap:30px}
  .stat{border-right:0!important;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.14)}
  .stat:last-child{border-bottom:0}
  .stat__n{font-size:44px}
  .pbanner{height:230px}
  .pbanner h1{font-size:25px}
  .pbanner p{font-size:15px}
  .faq__q{font-size:16px;padding:20px 0}
  .faq__a>div{padding-left:40px;font-size:15px}
  /* 移动端：底部通栏拨号条 */
  .float{right:0;left:0;bottom:0;flex-direction:row;gap:0}
  .float a{flex:1;width:auto;height:54px;flex-direction:row;gap:8px;font-size:15px;border-radius:0!important}
  .float svg{width:19px;height:19px}
  body{padding-bottom:54px}
}

/* Product details */
.product-link{display:block;height:100%;text-decoration:none;transition:transform .2s,box-shadow .2s}
.product-link:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.product-link:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
.product-more{display:block;color:var(--blue);font-size:14px;margin:16px 20px 20px}
.product-overview{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:60px;align-items:center}
.product-photo{background:var(--softer);padding:28px;border:1px solid var(--line);border-radius:8px}
.product-photo img{display:block;width:100%;height:340px;object-fit:contain}
.product-photo figcaption{font-size:13px;color:var(--g2);text-align:center;margin-top:16px}
.product-category{color:var(--blue);font-size:14px}
.product-overview .btn--primary{color:#fff}
.product-content{max-width:1100px}
.product-anchors{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 36px}
.product-anchors a{padding:9px 18px;background:#fff;border:1px solid var(--line);border-radius:24px;color:var(--blue)}
.product-anchors a:hover{border-color:var(--blue)}
.table-scroll{max-width:100%;overflow-x:auto}
.prose table{width:100%;border-collapse:collapse}
.prose table th,.prose table td{border:1px solid var(--line);padding:14px 18px;text-align:left;vertical-align:top}
.prose table th{background:var(--soft);font-weight:500}
.product-faq details{padding:18px 0;border-bottom:1px solid var(--line)}
.product-faq summary{cursor:pointer;color:var(--blue);font-weight:500}
.product-faq p{margin:14px 0 0}
.product-back{margin-top:30px;color:var(--blue)}
[id]{scroll-margin-top:100px}
@media(max-width:800px){
 .product-overview{grid-template-columns:1fr;gap:28px}
 .product-photo img{height:260px}
 .product-overview .btn{margin:8px 8px 0 0}
 .prose table th,.prose table td{padding:10px;font-size:14px}
}