/* ==========================================================================
   心之阳电脑 · 企业站 设计系统
   风格参考：gree.com —— 藏蓝 + 白的商务配色、大图横幅、留白充足的分区版式
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --navy:#07243F;          /* 深藏蓝：顶部通栏 / 页脚 / 大标题 */
  --navy-2:#0B2E4F;
  --blue:#0A5CA8;          /* 主色：按钮 / 强调 */
  --blue-d:#07457E;
  --blue-l:#EAF3FB;        /* 主色浅底 */
  --blue-line:#CFE2F3;
  --ink:#12202E;           /* 正文主色 */
  --ink-2:#55677A;         /* 次级文字 */
  --ink-3:#8B9AAB;         /* 辅助文字 */
  --line:#E4EAF0;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FA;
  --bg-soft-2:#EDF2F7;
  --green:#0E9F5B;
  --shadow-sm:0 2px 8px rgba(7,36,63,.06);
  --shadow-md:0 10px 30px rgba(7,36,63,.10);
  --shadow-lg:0 22px 60px rgba(7,36,63,.16);
  --r-sm:6px; --r-md:10px; --r-lg:16px;
  --w:1240px;
  --pad:24px;
  --sec-y:64px;
  --header-h:76px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--navy);letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{max-width:100%;display:block;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
/* 移动端：去掉点击时的蓝色高亮块，改为轻微按压反馈 */
a,button,label,summary{-webkit-tap-highlight-color:transparent}
@media (hover:none){
  a:active,button:active{opacity:.72}
}
:focus-visible{outline:3px solid rgba(10,92,168,.55);outline-offset:2px;border-radius:4px}
::selection{background:var(--blue);color:#fff}

.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
/* 刘海屏安全区：必须用 @supports 包裹。若直接写 max(...,env(...)) 而 env() 求值失败，
   整条声明会按 unset 处理（= 0），导致全站水平内边距消失 */
@supports (padding-left:max(1px,env(safe-area-inset-left))){
  .wrap{padding-left:max(var(--pad), env(safe-area-inset-left));
        padding-right:max(var(--pad), env(safe-area-inset-right))}
}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 18px;z-index:999}
.skip-link:focus{left:12px;top:12px}

/* ---------- 3. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 30px;border-radius:var(--r-sm);font-size:15.5px;font-weight:600;
  letter-spacing:.5px;transition:all .22s var(--ease);white-space:nowrap;border:1.5px solid transparent;
}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 10px 24px rgba(10,92,168,.32)}
.btn-ghost{border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-outline{border-color:var(--blue);color:var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-wechat{background:var(--green);color:#fff}
.btn-wechat:hover{background:#0B8A4E;transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,159,91,.32)}
.btn-lg{padding:16px 38px;font-size:17px}
.btn-block{width:100%}

/* ---------- 4. 顶部通栏（四句承诺 + 热线 + 地址） ---------- */
.topbar{background:var(--navy);color:rgba(255,255,255,.82);font-size:13px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:40px;gap:16px}
.topbar .promise{display:flex;gap:18px;letter-spacing:.4px}
.topbar .promise span{display:flex;align-items:center;gap:6px}
.topbar .promise i{width:4px;height:4px;border-radius:50%;background:#4C86C6;display:inline-block}
.topbar .hotline{display:flex;align-items:center;gap:18px}
.topbar .hotline b{color:#fff;font-weight:600}
.topbar .hotline .tel{display:flex;align-items:center;gap:7px;color:#fff;font-weight:600}
.topbar .hotline svg{width:14px;height:14px;color:#5BA0DE}
.topbar .addr{color:rgba(255,255,255,.7)}

/* ---------- 5. 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:var(--shadow-md)}
.site-header .wrap{display:flex;align-items:center;gap:28px;min-height:var(--header-h)}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand .mark{width:44px;height:44px;flex:none}
.brand .name{display:flex;flex-direction:column;line-height:1.15}
.brand .name b{font-size:21px;font-weight:700;color:var(--navy);letter-spacing:1px}
.brand .name span{font-size:10px;color:var(--ink-3);letter-spacing:1.6px;text-transform:uppercase}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
  position:relative;padding:10px 15px;font-size:15.5px;color:var(--ink);font-weight:500;border-radius:6px;
}
.nav a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;background:var(--blue);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav a:hover{color:var(--blue)}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.nav a.active{color:var(--blue);font-weight:600}
.header-cta{flex:none;display:flex;align-items:center;gap:10px}
.header-cta .btn{padding:10px 20px;font-size:14.5px}

.burger{display:none;width:44px;height:44px;flex:none;position:relative}
.burger span{position:absolute;left:11px;width:22px;height:2px;background:var(--navy);transition:.25s var(--ease)}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:27px}
.burger.open span:nth-child(1){top:21px;transform:rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){top:21px;transform:rotate(-45deg)}

.drawer{display:none;position:fixed;inset:calc(var(--header-h) + 40px) 0 0;background:#fff;z-index:88;
  padding:12px 0 90px;overflow-y:auto}
.drawer.open{display:block}
.drawer a{display:block;padding:15px 26px;font-size:17px;border-bottom:1px solid var(--bg-soft-2);color:var(--navy);font-weight:500}
.drawer a.active{color:var(--blue);background:var(--blue-l)}
.drawer .drawer-cta{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:20px 26px 0}
.drawer .drawer-cta .btn{padding:13px 10px;font-size:15px}

/* ---------- 6. 首页大横幅（轮播） ---------- */
.hero{position:relative;background:var(--navy);overflow:hidden}
.hero-track{display:flex;transition:transform .7s var(--ease)}
.hero-slide{position:relative;min-width:100%;min-height:min(88vh,760px);display:flex;align-items:center}
.hero-slide .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.04)}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(5,22,39,.92) 0%,rgba(5,22,39,.72) 42%,rgba(5,22,39,.22) 100%);
}
.hero-slide .wrap{position:relative;z-index:2;padding-top:56px;padding-bottom:176px;color:#fff}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:14px;letter-spacing:3px;color:#8FC1EE;
  text-transform:uppercase;margin-bottom:22px;font-weight:600;
}
.hero-eyebrow::before{content:"";width:34px;height:2px;background:#3D7FBE}
.hero-slide h1{color:#fff;font-size:clamp(34px,4.6vw,58px);font-weight:700;letter-spacing:1px;margin-bottom:18px;text-shadow:0 4px 30px rgba(0,0,0,.4)}
.hero-slide h1 em{font-style:normal;color:#6FB4EC}
.hero-slide .sub{font-size:clamp(15px,1.5vw,19px);color:rgba(255,255,255,.9);max-width:720px;line-height:1.9}
.hero-slide .note{margin-top:14px;font-size:15px;color:rgba(255,255,255,.68)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-dots{position:absolute;left:0;right:0;bottom:104px;z-index:3;display:flex;justify-content:center;gap:10px}
.hero-dots button{width:34px;height:4px;border-radius:2px;background:rgba(255,255,255,.34);transition:.25s var(--ease)}
.hero-dots button.on{background:#fff;width:52px}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.14);color:#fff;display:flex;align-items:center;justify-content:center;transition:.2s}
.hero-arrow:hover{background:rgba(255,255,255,.3)}
.hero-arrow.prev{left:22px}.hero-arrow.next{right:22px}
.hero-arrow svg{width:20px;height:20px}

/* 横幅下方快捷数据条（悬浮卡片式，压住横幅底部） */
.stat-strip{position:relative;z-index:5;margin-top:-72px}
.stat-card{
  display:grid;grid-template-columns:repeat(4,1fr);background:#fff;
  border-radius:var(--r-lg);box-shadow:var(--shadow-lg);overflow:hidden;
  border-top:3px solid var(--blue);
}
.stat{padding:34px 22px 30px;text-align:center;border-right:1px solid var(--line);transition:background .25s var(--ease)}
.stat:last-child{border-right:0}
.stat .ico{
  width:46px;height:46px;margin:0 auto 14px;border-radius:12px;background:var(--blue-l);color:var(--blue);
  display:flex;align-items:center;justify-content:center;transition:.25s var(--ease);
}
.stat .ico svg{width:23px;height:23px}
.stat:hover{background:var(--blue-l)}
.stat:hover .ico{background:var(--blue);color:#fff}
.stat .num{display:flex;align-items:baseline;justify-content:center;gap:5px;font-variant-numeric:tabular-nums}
.stat .num span{font-size:clamp(34px,3.2vw,46px);font-weight:800;color:var(--navy);line-height:1}
.stat .num i{font-style:normal;font-size:17px;font-weight:700;color:var(--blue)}
.stat .label{margin-top:10px;font-size:14px;color:var(--ink-2)}

/* ---------- 7. 分区标题（格力式：英文眉题 + 大标题 + 右侧了解更多） ---------- */
.section{padding:var(--sec-y) 0}
.section.soft{background:var(--bg-soft)}
.section.navy{background:var(--navy);color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:52px}
.sec-head .txt .eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:2.6px;text-transform:uppercase;
  color:var(--blue);font-weight:700;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(26px,2.9vw,38px);letter-spacing:.6px}
.sec-head .desc{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:720px}
.section.navy .sec-head h2{color:#fff}
.section.navy .sec-head .desc{color:rgba(255,255,255,.72)}
.section.navy .sec-head .eyebrow{color:#7FB6E8}
.more-link{flex:none;display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--blue);font-weight:600;padding-bottom:6px}
.more-link svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.more-link:hover svg{transform:translateX(4px)}
.section.navy .more-link{color:#8FC1EE}
/* 居中式分区标题改为左对齐：英文眉题、大标题、描述统一与容器左边界对齐 */
.center-head{text-align:left}
.center-head .desc{margin-left:0;margin-right:0}

/* ---------- 8. 信任四点 ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.trust-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:36px 28px;
  transition:all .28s var(--ease);position:relative;overflow:hidden;
}
.trust-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--blue);transition:width .35s var(--ease)}
.trust-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.trust-card:hover::before{width:100%}
.trust-card .ico{width:56px;height:56px;border-radius:12px;background:var(--blue-l);color:var(--blue);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.trust-card .ico svg{width:28px;height:28px}
.trust-card h3{font-size:19px;margin-bottom:10px}
.trust-card p{color:var(--ink-2);font-size:14.5px;line-height:1.85}

/* ---------- 9. 业务入口宫格 ---------- */
.svc-entry{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-tile{
  position:relative;display:flex;flex-direction:column;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:30px 26px;transition:all .28s var(--ease);overflow:hidden;
}
.svc-tile .ico{width:52px;height:52px;color:var(--blue);transition:.28s var(--ease)}
.svc-tile .ico svg{width:100%;height:100%}
.svc-tile h3{font-size:18px}
.svc-tile p{color:var(--ink-3);font-size:13.5px;line-height:1.7}
.svc-tile .go{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--blue);font-weight:600}
.svc-tile .go svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.svc-tile:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--blue-line)}
.svc-tile:hover .ico{transform:scale(1.08)}
.svc-tile:hover .go svg{transform:translateX(4px)}
.svc-tile .tag{position:absolute;top:18px;right:18px;font-size:12px;color:var(--ink-3)}

/* ---------- 10. 主打产品大图轮换 ---------- */
.showcase{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.showcase-track{display:flex;transition:transform .65s var(--ease)}
.showcase-slide{min-width:100%;display:grid;grid-template-columns:1.05fr .95fr;align-items:stretch}
.showcase-slide .ph{position:relative;margin:0;min-height:460px;background:var(--bg-soft);overflow:hidden}
.showcase-slide .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.showcase-slide .bd{padding:52px 54px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.showcase-slide .cat{font-size:12.5px;font-weight:600;color:var(--blue-d);background:var(--blue-l);border-radius:20px;padding:4px 14px;margin-bottom:16px}
.showcase-slide h3{font-size:clamp(24px,2.4vw,32px);margin-bottom:12px}
.showcase-slide .desc{color:var(--ink-2);font-size:15.5px;line-height:1.9;margin-bottom:22px}
.showcase-slide .spec{display:grid;gap:10px;margin:0 0 30px}
.showcase-slide .spec li{display:flex;gap:12px;font-size:14.5px;line-height:1.7}
.showcase-slide .spec li b{flex:none;min-width:62px;color:var(--ink-3);font-weight:500}
.showcase-slide .spec li span{color:var(--ink)}
.showcase-slide .acts{display:flex;flex-wrap:wrap;gap:12px}
.showcase-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.94);color:var(--navy);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);transition:.2s var(--ease);
}
.showcase-arrow:hover{background:var(--blue);color:#fff}
.showcase-arrow.prev{left:20px}
.showcase-arrow.next{right:20px}
.showcase-arrow svg{width:19px;height:19px}
.showcase-dots{
  position:absolute;left:50%;transform:translateX(-50%);bottom:20px;z-index:3;display:flex;gap:8px;
  background:rgba(255,255,255,.88);padding:9px 14px;border-radius:20px;box-shadow:var(--shadow-sm);
  backdrop-filter:blur(4px);
}
.showcase-dots button{width:26px;height:4px;border-radius:2px;background:#C9D6E2;transition:.25s var(--ease)}
.showcase-dots button.on{background:var(--blue);width:40px}

/* ---------- 11. 内页标题通栏 + 面包屑 ---------- */
.page-banner{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.page-banner .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,22,39,.9),rgba(7,36,63,.55))}
.page-banner .wrap{position:relative;z-index:2;padding:84px 24px 76px;text-align:center}
.page-banner .eyebrow{display:inline-block;font-size:12.5px;letter-spacing:3px;text-transform:uppercase;color:#7FB6E8;font-weight:700;margin-bottom:14px}
.page-banner h1{color:#fff;font-size:clamp(28px,3.4vw,42px);letter-spacing:1px}
.page-banner .lead{margin:16px auto 0;color:rgba(255,255,255,.82);font-size:16.5px;max-width:760px}
.crumbs{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.crumbs .wrap{display:flex;align-items:center;gap:8px;padding:13px 24px;font-size:13.5px;color:var(--ink-3)}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--blue)}
.crumbs svg{width:13px;height:13px}
.crumbs .cur{color:var(--blue);font-weight:600}
.anchor-nav{position:sticky;top:var(--header-h);z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.anchor-nav .wrap{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.anchor-nav .wrap::-webkit-scrollbar{display:none}
.anchor-nav a{flex:none;padding:15px 18px;font-size:14.5px;color:var(--ink-2);font-weight:500;border-bottom:2px solid transparent}
.anchor-nav a:hover{color:var(--blue)}
.anchor-nav a.on{color:var(--blue);border-bottom-color:var(--blue);font-weight:600}
/* 吸顶锚点导航 / 面包屑后的首个分区：收窄上留白，避免大片空白 */
.anchor-nav + .section,
.crumbs + .section{padding-top:32px}
/* 公司业务页首个业务模块自带 56px 上内边距，会与分区上边距叠加，置零 */
.anchor-nav + .section .alt-row:first-child{padding-top:0}

/* ---------- 12. 左右交错业务模块 ---------- */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:56px 0}
.alt-row + .alt-row{border-top:1px solid var(--line)}
.alt-row .ph{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:16/11}
.alt-row .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.alt-row .ph:hover img{transform:scale(1.05)}
.alt-row.rev .ph{order:2}
.alt-row h2{font-size:clamp(23px,2.4vw,30px);margin-bottom:18px}
.alt-row .desc{color:var(--ink-2);font-size:16px;line-height:1.9;margin-bottom:20px}
.tick-list{display:grid;gap:12px;margin:0 0 26px}
.tick-list li{display:flex;gap:11px;align-items:flex-start;color:var(--ink);font-size:15.5px}
.tick-list li svg{width:19px;height:19px;color:var(--green);flex:none;margin-top:4px}
.tick-list li b{font-weight:600}

/* ---------- 13. 承诺 / 清单卡 ---------- */
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.promise-grid.g3{grid-template-columns:repeat(3,1fr)}
.promise-grid.g2{grid-template-columns:repeat(2,1fr)}
.promise-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:32px 28px;transition:.28s var(--ease)}
.promise-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.promise-card .n{font-size:13px;color:var(--blue);font-weight:700;letter-spacing:2px;margin-bottom:14px}
.promise-card h3{font-size:18px;margin-bottom:10px}
.promise-card p{color:var(--ink-2);font-size:14.5px;line-height:1.85}

/* ---------- 14. 产品详情卡（2×2） ---------- */
.pd-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.pd-card{display:grid;grid-template-columns:200px 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:.28s var(--ease)}
.pd-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.pd-card .ph{background:var(--bg-soft);position:relative}
.pd-card .ph img{width:100%;height:100%;object-fit:cover}
.pd-card .bd{padding:26px 28px}
.pd-card h3{font-size:20px;margin-bottom:12px}
.pd-card .row{display:flex;gap:8px;font-size:14px;line-height:1.9}
.pd-card .row .k{color:var(--ink-3);flex:none;min-width:62px}
.pd-card .row .v{color:var(--ink-2)}
.pd-card .acts{margin-top:18px;display:flex;gap:10px}
.pd-card .acts .btn{padding:9px 20px;font-size:14px}

/* ---------- 15. 品牌墙 ---------- */
.brand-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.brand-tile{
  height:84px;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 14px;transition:.3s var(--ease);
}
.brand-tile img{max-width:100%;max-height:36px;width:auto;height:auto;object-fit:contain;display:block}
.brand-tile:hover{border-color:var(--blue-line);box-shadow:var(--shadow-sm);transform:translateY(-3px)}

/* ---------- 16. 案例卡 ---------- */
.case-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:26px}
.case-card{flex:0 1 calc((100% - 26px)/2);background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:.28s var(--ease);display:flex;flex-direction:column}
.case-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.case-card .ph{aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.case-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.case-card:hover .ph img{transform:scale(1.05)}
.case-card .bd{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1}
.case-card .cat{align-self:flex-start;font-size:12.5px;background:var(--blue-l);color:var(--blue-d);padding:4px 12px;border-radius:20px;font-weight:600;margin-bottom:14px}
.case-card h3{font-size:19px;margin-bottom:14px}
.case-card .meta{display:grid;gap:9px;font-size:14px}
.case-card .meta div{display:flex;gap:10px}
.case-card .meta .k{color:var(--ink-3);flex:none;width:42px}
.case-card .meta .v{color:var(--ink-2)}
.case-card .meta .v.res{color:var(--green);font-weight:600}

/* 评价卡 */
.quote-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:24px}
.quote-card{flex:0 1 calc((100% - 48px)/3);background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:30px 28px;position:relative}
.quote-card .mark{font-size:52px;line-height:1;color:var(--blue-line);font-family:Georgia,serif;height:34px}
.quote-card p{color:var(--ink);font-size:15.5px;line-height:1.9;margin-bottom:18px}
.quote-card .who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3)}
.quote-card .who .stars{color:#F5A623;letter-spacing:2px}

/* ---------- 17. 服务承诺 / 流程 / 高亮块 ---------- */
.svc-promise{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-promise .item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;transition:.25s var(--ease)}
.svc-promise .item:hover{box-shadow:var(--shadow-sm);border-color:var(--blue-line)}
.svc-promise .item svg{width:24px;height:24px;color:var(--blue);flex:none;margin-top:3px}
.svc-promise .item b{display:block;font-size:16px;margin-bottom:5px}
.svc-promise .item span{font-size:13.5px;color:var(--ink-2);line-height:1.7}

.sla-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.sla-card{background:linear-gradient(150deg,var(--navy),var(--navy-2));color:#fff;border-radius:var(--r-lg);padding:44px 42px;box-shadow:var(--shadow-lg)}
.sla-card h3{color:#fff;font-size:21px;margin-bottom:26px}
.sla-row{display:flex;align-items:flex-start;gap:16px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12)}
.sla-row .ico{width:40px;height:40px;flex:none;border-radius:10px;background:rgba(111,180,236,.16);
  color:#6FB4EC;display:flex;align-items:center;justify-content:center}
.sla-row .ico svg{width:20px;height:20px}
.sla-row .t b{display:block;font-size:15.5px;margin-bottom:4px}
.sla-row .t span{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.8}
.sla-row .t em{font-style:normal;color:#6FB4EC;font-weight:600;font-size:15px}

/* 正文内嵌微信二维码（替代按钮组，浅色底） */
.qr-inline{display:flex;align-items:center;gap:18px;margin-top:26px;width:fit-content;max-width:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 22px 16px 16px;
  box-shadow:var(--shadow-sm)}
.qr-inline img{width:104px;height:104px;flex:none;border:1px solid var(--line);border-radius:8px;padding:6px;box-sizing:border-box}
.qr-inline .t b{display:block;font-size:16px;margin-bottom:6px}
.qr-inline .t span{display:block;font-size:13.5px;color:var(--ink-3);line-height:1.75}

.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:s;position:relative}
.step{position:relative;padding:0 24px 0 0;text-align:left}
.step::before{content:"";position:absolute;top:26px;left:calc(-100% + 26px);right:calc(100% - 26px);height:2px;background:var(--line)}
.step:first-child::before{display:none}
.step .dot{
  counter-increment:s;width:52px;height:52px;border-radius:50%;background:#fff;border:2px solid var(--blue-line);
  color:var(--blue);display:flex;align-items:center;justify-content:center;margin:0 0 16px;font-weight:700;font-size:17px;position:relative;z-index:1;
  transition:.25s var(--ease);
}
.step:hover .dot{background:var(--blue);border-color:var(--blue);color:#fff}
.step b{display:block;font-size:15.5px;margin-bottom:6px}
.step span{font-size:13px;color:var(--ink-3);line-height:1.65;display:block}

.data-safe{
  display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;
  background:linear-gradient(120deg,var(--blue-l),#F3F9FF);border:1px solid var(--blue-line);
  border-radius:var(--r-lg);padding:38px 40px;
}
.data-safe .ico{width:64px;height:64px;border-radius:16px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center}
.data-safe .ico svg{width:32px;height:32px}
.data-safe h3{font-size:21px;margin-bottom:10px}
.data-safe p{color:var(--ink-2);font-size:15.5px;line-height:1.9}

/* FAQ 手风琴 */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:.2s}
.faq.open{border-color:var(--blue-line);box-shadow:var(--shadow-sm)}
.faq .q{width:100%;display:flex;align-items:center;gap:14px;padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--navy)}
.faq .q .qm{flex:none;width:26px;height:26px;border-radius:6px;background:var(--blue-l);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.faq .q .arr{margin-left:auto;width:18px;height:18px;color:var(--ink-3);transition:transform .25s var(--ease);flex:none}
.faq.open .q .arr{transform:rotate(180deg);color:var(--blue)}
.faq .a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq .a-in{padding:0 24px 22px 64px;color:var(--ink-2);font-size:15px;line-height:1.9}

/* ---------- 18. 新闻 ---------- */
.news-layout{display:grid;grid-template-columns:236px 1fr;gap:44px;align-items:start}
.news-cats{position:sticky;top:calc(var(--header-h) + 24px);display:grid;gap:8px}
.news-cats button{
  text-align:left;padding:14px 18px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);
  border-left:3px solid transparent;transition:.2s;font-weight:500;
}
.news-cats button:hover{background:var(--bg-soft);color:var(--blue)}
.news-cats button.on{background:var(--blue-l);color:var(--blue-d);border-left-color:var(--blue);font-weight:600}
.news-list{display:grid;gap:16px}
.news-item{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);padding:24px 26px;transition:.25s var(--ease)}
.news-item:hover{box-shadow:var(--shadow-md);border-color:var(--blue-line);transform:translateY(-3px)}
.news-item .date{text-align:center;min-width:62px;padding-right:22px;border-right:1px solid var(--line)}
.news-item .date b{display:block;font-size:26px;font-weight:700;color:var(--navy);line-height:1.1;font-variant-numeric:tabular-nums}
.news-item .date span{font-size:12px;color:var(--ink-3)}
.news-item h3{font-size:17px;margin-bottom:7px}
.news-item p{color:var(--ink-2);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .tag{font-size:12px;padding:4px 12px;border-radius:20px;white-space:nowrap;font-weight:600}
.tag-new{background:#E7F6EE;color:#0B7A44}
.tag-off{background:#FDF2E2;color:#9A6210}
.tag-know{background:var(--blue-l);color:var(--blue-d)}
.tag-shop{background:#EEF1F5;color:#55677A}
.news-empty{padding:60px 20px;text-align:center;color:var(--ink-3)}
/* 列表项可点击进入详情：整卡热区（stretched link，保留 h3 内锚点语义） */
.news-item{position:relative}
.news-item h3 a{color:inherit}
.news-item h3 a::after{content:"";position:absolute;inset:0;z-index:2;border-radius:var(--r-md)}
.news-more{display:inline-flex;align-items:center;gap:6px;margin-top:11px;font-size:13.5px;color:var(--blue);font-weight:600}
.news-more svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.news-item:hover .news-more svg{transform:translateX(3px)}

/* ---------- 18b. 新闻详情页 ---------- */
.post-wrap{max-width:880px;margin:0 auto}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;padding-bottom:20px;
  border-bottom:1px solid var(--line);margin-bottom:32px;font-size:14px;color:var(--ink-3)}
.post-meta .tag{font-size:12px;padding:4px 12px;border-radius:20px;font-weight:600}
.post-meta .who{display:inline-flex;align-items:center;gap:7px}
.post-meta .who svg{width:15px;height:15px;color:var(--blue);flex:none}
.post-lead{background:var(--bg-soft);border-left:3px solid var(--blue);
  border-radius:0 var(--r-md) var(--r-md) 0;padding:20px 24px;color:var(--ink-2);
  font-size:16px;line-height:1.9;margin:0 0 34px}
.post-body{font-size:16.5px;line-height:2;color:var(--ink-2)}
.post-body h2{font-size:21px;color:var(--navy);margin:40px 0 16px;line-height:1.55;
  padding-left:14px;border-left:4px solid var(--blue)}
.post-body h3{font-size:17.5px;color:var(--navy);margin:28px 0 12px}
.post-body p{margin:0 0 20px}
.post-body ul,.post-body ol{margin:0 0 22px;padding-left:24px}
.post-body li{margin-bottom:11px}
.post-body li::marker{color:var(--blue)}
.post-body b,.post-body strong{color:var(--ink);font-weight:600}
.post-tip{background:var(--blue-l);border:1px solid var(--blue-line);border-radius:var(--r-md);
  padding:20px 24px;margin:0 0 26px}
.post-tip .t{display:flex;align-items:center;gap:9px;color:var(--blue-d);font-weight:700;
  font-size:15.5px;margin-bottom:10px}
.post-tip .t svg{width:18px;height:18px;flex:none}
.post-tip p{margin:0;font-size:15.5px;line-height:1.9}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:52px;padding-top:32px;
  border-top:1px solid var(--line)}
.post-nav a,.post-nav .na{display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 22px}
.post-nav a{transition:.25s var(--ease)}
.post-nav a:hover{border-color:var(--blue-line);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.post-nav .na{background:var(--bg-soft);border-style:dashed;color:var(--ink-3)}
.post-nav .k{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:7px;letter-spacing:1px}
.post-nav .na .v,.post-nav a .v{display:block;font-size:15px;line-height:1.6;font-weight:600}
.post-nav a .v{color:var(--navy)}
.post-nav .na .v{font-weight:500}
.post-nav .next{text-align:right}
.post-back{display:inline-flex;align-items:center;gap:8px;margin-top:28px;color:var(--blue);
  font-weight:600;font-size:15px}
.post-back svg{width:16px;height:16px}

/* ---------- 19. 联系我们 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:34px;align-items:stretch}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:38px 36px;box-shadow:var(--shadow-sm)}
.info-card h3{font-size:21px;margin-bottom:8px}
.info-card .sub{color:var(--ink-2);font-size:14.5px;margin-bottom:26px}
.info-list{display:grid;gap:20px}
.info-list li{display:flex;gap:15px;align-items:flex-start}
.info-list .ico{width:42px;height:42px;border-radius:10px;background:var(--blue-l);color:var(--blue);
  display:flex;align-items:center;justify-content:center;flex:none}
.info-list .ico svg{width:21px;height:21px}
.info-list b{display:block;font-size:15px;margin-bottom:3px}
.info-list span{color:var(--ink-2);font-size:14.5px;line-height:1.7}
.info-list a:hover{color:var(--blue)}
.map-box{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);min-height:420px;background:var(--bg-soft)}
.map-box img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.map-box .map-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,36,63,.06),rgba(7,36,63,.5))}
.map-box .map-cta{position:absolute;left:26px;bottom:26px;right:26px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.map-box .map-cta .t{color:#fff}
.map-box .map-cta .t b{display:block;font-size:17px;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.map-box .map-cta .t span{font-size:13.5px;color:rgba(255,255,255,.85)}
.route-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.route-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:30px 30px}
.route-card .ico{width:48px;height:48px;border-radius:12px;background:var(--blue-l);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.route-card .ico svg{width:24px;height:24px}
.route-card h3{font-size:18px;margin-bottom:10px}
.route-card p{color:var(--ink-2);font-size:14.5px;line-height:1.85}
.route-card p b{color:var(--ink)}

.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:34px 26px;text-align:center;transition:.28s var(--ease)}
.team-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}
.team-card .ava{
  width:82px;height:82px;border-radius:50%;margin:0 auto 18px;display:block;object-fit:cover;
  border:2px solid #fff;outline:1px solid var(--line);box-sizing:border-box;
  box-shadow:0 8px 20px rgba(10,92,168,.22);
}
.team-card h3{font-size:18px}
.team-card .role{display:inline-block;font-size:12.5px;color:var(--blue);background:var(--blue-l);border-radius:20px;padding:3px 13px;margin:9px 0 12px;font-weight:600}
.team-card p{color:var(--ink-2);font-size:13.5px;line-height:1.8}

/* ---------- 20. 关于我们 ---------- */
.about-lead{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
.about-lead h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:22px}
.about-lead .desc{color:var(--ink-2);font-size:16px;line-height:2}
.about-lead .desc + .desc{margin-top:16px}
.about-lead h3{font-size:20px;margin:28px 0 10px}
/* 公司故事通栏正文 */
.story{max-width:920px;margin-top:58px}
.story h3{font-size:clamp(19px,1.8vw,22px);margin:36px 0 12px}
.story h3:first-child{margin-top:0}
.story p{color:var(--ink-2);font-size:16px;line-height:2}
.story p + p{margin-top:14px}
.story .tick-list{margin:20px 0 4px;gap:13px}
.story .story-final{font-size:17.5px;font-weight:700;color:var(--navy);
  border-left:3px solid var(--blue);padding:3px 0 3px 16px;margin-top:30px;line-height:1.8}
.about-ph{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3}
.about-ph img{width:100%;height:100%;object-fit:cover}
.about-ph .cap{
  position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(5,22,39,.86));
  color:#fff;padding:44px 26px 22px;font-size:14px;
}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:56px}
.tl-item{position:relative;padding-top:26px}
.tl-item::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--line)}
.tl-item::after{content:"";position:absolute;top:-4px;left:0;width:11px;height:11px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px var(--blue-l)}
.tl-item .y{font-size:24px;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums}
.tl-item b{display:block;font-size:16px;margin:8px 0 6px}
.tl-item p{color:var(--ink-2);font-size:14px;line-height:1.8}
.pull-quote{
  max-width:820px;margin:0 auto;text-align:center;font-size:clamp(19px,2.2vw,25px);font-weight:600;
  color:var(--navy);line-height:1.9;position:relative;padding:0 20px;
}
.pull-quote::before,.pull-quote::after{content:"";position:absolute;left:50%;transform:translateX(-50%);width:44px;height:3px;background:var(--blue)}
.pull-quote::before{top:-26px}.pull-quote::after{bottom:-26px}

/* ---------- 21. 页面底部 CTA ---------- */
.cta-band{background:linear-gradient(115deg,var(--navy) 0%,#0C3B68 55%,#0E5296 100%);color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.045)}
.cta-band .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:44px;align-items:center;padding-top:72px;padding-bottom:72px}
.cta-band h2{color:#fff;font-size:clamp(23px,2.6vw,32px);margin-bottom:12px}
.cta-band .sub{color:rgba(255,255,255,.78);font-size:15.5px}
.cta-band .tel-big{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.cta-band .tel-big svg{width:26px;height:26px;color:#6FB4EC}
.cta-band .qr-wrap{display:flex;gap:18px;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:20px 22px}
.cta-band .qr-wrap img{width:118px;height:118px;border-radius:8px;background:#fff;padding:6px}
.cta-band .qr-wrap .t b{display:block;font-size:16px;margin-bottom:6px}
.cta-band .qr-wrap .t span{font-size:13px;color:rgba(255,255,255,.72);line-height:1.7;display:block}

/* ---------- 22. 页脚 ---------- */
.site-footer{background:var(--navy);color:rgba(255,255,255,.66);font-size:14px}
.site-footer .top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding:64px var(--pad) 52px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:20px;letter-spacing:1px}
.site-footer .fbrand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.site-footer .fbrand .mark{width:40px;height:40px}
.site-footer .fbrand b{font-size:19px;color:#fff;letter-spacing:1px}
.site-footer .intro{line-height:1.95;margin-bottom:18px}
.site-footer ul li{margin-bottom:11px}
.site-footer a:hover{color:#8FC1EE}
.site-footer .contact-list li{display:flex;gap:10px;align-items:flex-start}
.site-footer .contact-list svg{width:16px;height:16px;color:#5BA0DE;flex:none;margin-top:4px}
.site-footer .qr{display:flex;gap:14px;align-items:center;margin-top:6px}
.site-footer .qr img{width:96px;height:96px;background:#fff;border-radius:6px;padding:5px}
.site-footer .qr span{font-size:13px;line-height:1.8}
/* 服务区域 · GEO 关键词条（店名/地址/地名/业务关键词集中呈现） */
.site-footer .svc-area{display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap;padding:0 var(--pad) 32px;font-size:13.5px;line-height:2;color:rgba(255,255,255,.6)}
.site-footer .svc-area .lb{flex:none;color:#8FC1EE;font-weight:700;letter-spacing:1px;background:rgba(111,180,236,.14);border:1px solid rgba(111,180,236,.28);padding:2px 12px;border-radius:999px;line-height:1.9;font-size:13px}
.site-footer .svc-area p{margin:0;flex:1 1 320px}
.site-footer .svc-area b,.site-footer .svc-area strong{color:#8FC1EE;font-weight:600}
.site-footer .bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45)}

/* ---------- 23. 移动端底部固定条 / 二维码浮层 / 返回顶部 ---------- */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;grid-template-columns:1fr 1fr;
  box-shadow:0 -6px 24px rgba(7,36,63,.16)}
/* 微信项是 <button> 而非 <a>，选择器必须同时覆盖，否则图标不受约束会撑满整栏 */
.mbar a,.mbar button{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 8px;
  font-size:14.5px;font-weight:600;color:#fff;line-height:1}
.mbar a svg,.mbar button svg{width:17px;height:17px;flex:none}
.mbar .call{background:var(--blue)}
.mbar .wx{background:var(--green)}
.mbar{padding-bottom:env(safe-area-inset-bottom)}

.qr-modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px}
.qr-modal.open{display:flex}
.qr-modal .veil{position:absolute;inset:0;background:rgba(5,22,39,.6);backdrop-filter:blur(3px)}
.qr-modal .box{position:relative;background:#fff;border-radius:var(--r-lg);padding:40px 40px 34px;text-align:center;max-width:360px;box-shadow:var(--shadow-lg)}
.qr-modal .box h3{font-size:20px;margin-bottom:8px}
.qr-modal .box p{color:var(--ink-2);font-size:14.5px;margin-bottom:22px}
.qr-modal .box img{width:230px;height:230px;margin:0 auto;border:1px solid var(--line);border-radius:10px;padding:10px}
.qr-modal .box .close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;color:var(--ink-3);
  display:flex;align-items:center;justify-content:center}
.qr-modal .box .close:hover{background:var(--bg-soft);color:var(--navy)}
.qr-modal .box .close svg{width:18px;height:18px}

.to-top{position:fixed;right:22px;bottom:96px;z-index:80;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--navy);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:.25s var(--ease)}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.to-top svg{width:19px;height:19px}

/* ---------- 24. 404 ---------- */
.err-wrap{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:80px 24px}
.err-wrap .code{font-size:clamp(76px,12vw,140px);font-weight:700;color:var(--blue-l);line-height:1;
  -webkit-text-stroke:2px var(--blue);letter-spacing:6px}
.err-wrap h1{font-size:clamp(22px,3vw,30px);margin:26px 0 14px}
.err-wrap p{color:var(--ink-2);margin-bottom:32px}

/* ---------- 25. 滚动显现动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 26. 响应式 ---------- */
@media (max-width:1180px){
  :root{--sec-y:52px}
  .brand-wall{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1024px){
  .nav,.header-cta .btn-ghost{display:none}
  .burger{display:block}
  /* 页头必须容得下「品牌 + 微信咨询 + 汉堡」：品牌设为可压缩，否则汉堡被挤出可视区且无法横向滚动到 */
  .site-header .wrap{gap:16px}
  .brand{flex:1 1 auto;min-width:0}
  .brand .name{min-width:0;overflow:hidden}
  .brand .name b,.brand .name span{display:block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .trust-grid,.promise-grid{grid-template-columns:repeat(2,1fr)}
  .svc-entry{grid-template-columns:repeat(3,1fr);gap:16px}   /* 9 个磁贴 -> 3×3，避免末行空缺 */
  .promise-grid.g3{grid-template-columns:repeat(2,1fr)}
  .svc-promise{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);gap:34px 0}
  .step::before{display:none}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .brand-wall{grid-template-columns:repeat(3,1fr)}
  .news-layout{grid-template-columns:1fr;gap:24px}
  .news-cats{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;
    scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .news-cats::-webkit-scrollbar{display:none}
  .news-cats button{flex:none;border-left:0;border-bottom:2px solid transparent;padding:10px 16px}
  .news-cats button.on{border-bottom-color:var(--blue)}
  .contact-grid,.sla-grid,.about-lead{grid-template-columns:1fr;gap:34px}
  .pd-grid{grid-template-columns:1fr}
  .case-card{flex-basis:100%}   /* 服务案例：平板/手机单列 */
  .quote-card{flex-basis:calc((100% - 24px)/2)}   /* 客户评价：平板两列 */
  .cta-band .wrap{grid-template-columns:1fr}
  .topbar .promise{display:none}
  .topbar .wrap{min-height:44px}
  .topbar .hotline .tel{padding:10px 4px}
  /* 可点区域：面包屑 / 页脚链接（视觉高度不变，点击范围加大） */
  .crumbs .wrap{padding:7px 18px;flex-wrap:wrap}
  .crumbs a,.crumbs .cur{display:inline-block;padding:7px 0}
  .site-footer ul li{margin-bottom:0}
  .site-footer ul li a,.site-footer .contact-list a,.site-footer .bottom a{display:inline-block;padding:9px 0}
  .site-footer .contact-list a{overflow-wrap:anywhere}
  .info-list a{display:inline-block;padding:8px 0}
  /* 轮播指示点：原点击区域仅 4px 高，触屏几乎点不中 —— 用透明伪元素扩大触摸区，视觉尺寸不变 */
  .hero-dots button{position:relative}
  .hero-dots button::after{content:"";position:absolute;left:0;right:0;top:-12px;bottom:-12px}
  .showcase-dots button{position:relative}
  .showcase-dots button::after{content:"";position:absolute;left:-3px;right:-3px;top:-11px;bottom:-11px}
  .site-footer .top{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:720px){
  :root{--sec-y:40px;--pad:18px;--header-h:64px}
  body{font-size:15px}
  /* --- 页头紧凑化：保证汉堡按钮始终在可视区内 --- */
  .site-header .wrap{gap:8px}
  .brand{gap:8px}
  .brand .mark{width:38px;height:38px}
  .brand .name b{font-size:18px;letter-spacing:0}
  .brand .name span{font-size:9.5px;letter-spacing:.8px}
  .header-cta .btn{padding:10px 12px;font-size:13.5px;letter-spacing:0}
  .header-cta .btn svg{width:16px;height:16px}
  .burger{width:40px;height:40px}
  .burger span{left:10px;width:20px}
  .burger span:nth-child(1){top:13px}
  .burger span:nth-child(2){top:19px}
  .burger span:nth-child(3){top:25px}
  .burger.open span:nth-child(1){top:19px}
  .burger.open span:nth-child(3){top:19px}
  .drawer{padding:12px 0 76px;padding-bottom:calc(76px + env(safe-area-inset-bottom))}
  .topbar .addr{display:none}
  .topbar .wrap{justify-content:space-between}
  .hero-slide{min-height:78vh}
  .hero-slide .wrap{padding-bottom:150px}
  .hero-arrow{display:none}
  .stat-strip{margin-top:-48px}
  .stat-card{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:34px}
  .trust-grid,.promise-grid,.promise-grid.g3,.svc-entry,.route-grid{grid-template-columns:1fr}
  .promise-grid.g2{grid-template-columns:repeat(2,1fr);gap:14px}
  .promise-card{padding:24px 20px}
  .svc-promise{grid-template-columns:1fr;gap:14px}
  .alt-row{grid-template-columns:1fr;gap:26px;padding:38px 0}
  .quote-card{flex-basis:100%}   /* 客户评价：手机单列 */
  .alt-row.rev .ph{order:0}
  .pd-card{grid-template-columns:1fr}
  .pd-card .ph{aspect-ratio:16/10}
  .showcase-slide{grid-template-columns:1fr}
  .qr-inline{gap:14px;padding:14px 16px}
  .qr-inline img{width:88px;height:88px}
  .showcase-slide .ph{min-height:0;aspect-ratio:16/10}
  .showcase-slide .bd{padding:28px 24px 64px}
  .showcase-arrow{display:none}
  .showcase-dots{bottom:16px}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .data-safe{grid-template-columns:1fr;padding:28px 24px}
  .sla-card{padding:32px 26px}
  .brand-wall{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:12px}
  .news-item .date{border-right:0;border-bottom:1px solid var(--line);padding:0 0 12px;display:flex;gap:8px;align-items:baseline;justify-content:flex-start}
  .post-body{font-size:16px;line-height:1.95}
  .post-body h2{font-size:19px;margin:32px 0 14px}
  .post-lead{padding:17px 18px;font-size:15.5px}
  .post-tip{padding:17px 18px}
  .post-tip p{font-size:15px}
  .post-nav{grid-template-columns:1fr;gap:12px;margin-top:40px;padding-top:26px}
  .post-nav .next,.post-nav .na.next{text-align:left}
  .timeline{grid-template-columns:1fr;gap:22px}
  .site-footer .top{grid-template-columns:1fr;padding:46px var(--pad) 36px}
  .site-footer .svc-area{padding:0 var(--pad) 26px;font-size:13px;line-height:1.95}
  .mbar{display:grid}
  body{padding-bottom:42px}
  .to-top{bottom:58px;right:14px}
  .cta-band .wrap{padding-top:52px;padding-bottom:52px}
  .page-banner .wrap{padding:58px 18px 52px}
  .hero-dots{bottom:82px}
}
@media (max-width:480px){
  /* 底部二维码卡片：窄屏改竖排，避免右侧文字被挤成窄条 */
  .cta-band .qr-wrap{flex-direction:column;align-items:flex-start;gap:12px;padding:18px}
  .cta-band .qr-wrap img{width:104px;height:104px}
  .cta-band .tel-big{font-size:21px;flex-wrap:wrap;gap:8px}
  .brand .name b{font-size:19px}
  .brand .name span{font-size:9px;letter-spacing:.4px}
}
@media (max-width:400px){
  .steps{grid-template-columns:1fr}
  /* 窄屏隐藏品牌英文行，保证页头一定能容下汉堡按钮 */
  .brand .name span{display:none}
  .header-cta .btn{padding:9px 10px;font-size:13px}
  .header-cta .btn svg{width:15px;height:15px}
}
@media (max-width:360px){
  /* 320/360 级小屏再做一次收窄 */
  .brand{gap:7px}
  .brand .mark{width:34px;height:34px}
  .brand .name b{font-size:17px}
  .header-cta .btn{padding:9px 9px;font-size:12.5px}
}