@charset "UTF-8";
/* ==========================================================================
   陕西昱辰数字科技有限公司 — 站点主样式
   ========================================================================== */

:root{
  --navy:#0a1d33;
  --navy-2:#0f2a47;
  --navy-3:#142f4e;
  --brand:#1668dc;
  --brand-dark:#0d4fae;
  --brand-light:#e8f1ff;
  --cyan:#19c2c8;
  --cyan-light:#e6fbfb;
  --ink:#0f1b2a;
  --text:#3d4c5e;
  --muted:#7b8794;
  --line:#e6ebf2;
  --bg:#ffffff;
  --bg-soft:#f5f8fc;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(13,40,76,.06);
  --shadow:0 12px 32px rgba(13,40,76,.09);
  --shadow-lg:0 26px 60px rgba(13,40,76,.14);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:74px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
::selection{background:var(--brand);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section--soft{background:var(--bg-soft);}
.section--tight{padding:72px 0;}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px;}
.eyebrow--light{color:var(--cyan);}
.eyebrow--light::before{background:var(--cyan);}

.section-head{max-width:760px;margin-bottom:56px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center .eyebrow{justify-content:center;}
.section-title{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.02em;}
.section-desc{margin-top:16px;font-size:16.5px;color:var(--muted);line-height:1.85;}
.section-head--light .section-title{color:#fff;}
.section-head--light .section-desc{color:rgba(255,255,255,.66);}
.text-brand{color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;font-size:15px;font-weight:600;
  transition:all .3s var(--ease);white-space:nowrap;line-height:1.4;
}
.btn svg{width:16px;height:16px;transition:transform .3s var(--ease);}
.btn:hover svg{transform:translateX(4px);}
.btn--primary{background:linear-gradient(120deg,var(--brand),#2f8bf5);color:#fff;box-shadow:0 10px 24px rgba(22,104,220,.28);}
.btn--primary:hover{box-shadow:0 16px 34px rgba(22,104,220,.36);transform:translateY(-2px);color:#fff;}
.btn--ghost{border:1.5px solid rgba(255,255,255,.38);color:#fff;}
.btn--ghost:hover{background:#fff;color:var(--navy);border-color:#fff;}
.btn--outline{border:1.5px solid var(--line);color:var(--ink);background:#fff;}
.btn--outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn--sm{padding:11px 22px;font-size:14px;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:650;color:var(--brand);
}
.link-more svg{width:15px;height:15px;transition:transform .3s var(--ease);}
.link-more:hover svg{transform:translateX(4px);}

/* ==========================================================================
   顶部导航
   ========================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(10,29,51,.0);
  transition:background .4s var(--ease),box-shadow .4s var(--ease),height .4s var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 1px 0 rgba(13,40,76,.07),0 8px 26px rgba(13,40,76,.06);
  height:66px;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}

.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand) 0%,#2f8bf5 55%,var(--cyan) 100%);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(22,104,220,.3);
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-name{font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em;transition:color .4s;}
.logo-sub{font-size:10px;letter-spacing:.22em;color:rgba(255,255,255,.55);text-transform:uppercase;transition:color .4s;}
.site-header.is-stuck .logo-name{color:var(--ink);}
.site-header.is-stuck .logo-sub{color:var(--muted);}

.nav{display:flex;align-items:center;gap:2px;}
/* 导航共 8 项，收窄内边距与字号，保证 1081–1440 宽度下不换行 */
.nav-link{white-space:nowrap;}
@media (max-width:1440px){
  .nav-link{padding:9px 9px;font-size:13.8px;letter-spacing:-.01em;}
  .nav-item .nav-link.is-active::after{left:9px;right:9px;}
  .header-right{gap:9px;}
  .header-shop{padding:9px 13px;font-size:13px;}
  .header-cta{padding:9px 16px;}
  .header-inner{gap:14px;}
}
.nav-item{position:relative;}
.nav-link{
  display:flex;align-items:center;gap:6px;
  padding:9px 15px;border-radius:9px;font-size:15px;font-weight:550;
  color:rgba(255,255,255,.86);transition:all .25s var(--ease);
}
.nav-link svg{width:11px;height:11px;opacity:.7;transition:transform .3s var(--ease);}
.site-header.is-stuck .nav-link{color:var(--text);}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1);}
.site-header.is-stuck .nav-link:hover{color:var(--brand);background:var(--brand-light);}
.nav-link.is-active{color:#fff;}
.site-header.is-stuck .nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
  background:var(--cyan);
}
.site-header.is-stuck .nav-link.is-active::after{background:var(--brand);}
.nav-item:hover .nav-link svg{transform:rotate(180deg);}

/* 下拉菜单 */
.dropdown{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(10px);
  width:280px;padding:10px;border-radius:16px;background:#fff;
  box-shadow:0 22px 56px rgba(10,29,51,.16);
  border:1px solid var(--line);
  opacity:0;visibility:hidden;transition:all .28s var(--ease);
}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.dropdown::before{
  content:"";position:absolute;top:-7px;left:50%;width:14px;height:14px;background:#fff;
  border-left:1px solid var(--line);border-top:1px solid var(--line);
  transform:translateX(-50%) rotate(45deg);border-radius:3px 0 0 0;
}
.dropdown a{
  display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:9px;
  font-size:14.5px;color:var(--text);transition:all .2s var(--ease);
}
.dropdown a:hover{background:var(--brand-light);color:var(--brand);}
.dropdown a .dot{width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.5;flex-shrink:0;}
.dropdown a:hover .dot{opacity:1;}

.header-right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.header-tel{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;
  color:#fff;letter-spacing:.02em;
}
.header-tel svg{width:16px;height:16px;opacity:.85;}
.site-header.is-stuck .header-tel{color:var(--ink);}
.header-cta{
  padding:10px 22px;border-radius:999px;font-size:14px;font-weight:650;
  background:#fff;color:var(--navy);transition:all .3s var(--ease);
}
.header-cta:hover{background:var(--cyan);color:#fff;transform:translateY(-1px);}
.site-header.is-stuck .header-cta{background:var(--brand);color:#fff;}
.site-header.is-stuck .header-cta:hover{background:var(--brand-dark);}

/* 汉堡按钮 */
.burger{display:none;width:42px;height:42px;border-radius:10px;position:relative;flex-shrink:0;}
.burger span{
  position:absolute;left:11px;width:20px;height:2px;background:#fff;border-radius:2px;
  transition:all .3s var(--ease);
}
.burger span:nth-child(1){top:15px;}
.burger span:nth-child(2){top:20px;}
.burger span:nth-child(3){top:25px;}
.site-header.is-stuck .burger span{background:var(--ink);}
body.nav-open .burger span:nth-child(1){transform:translateY(5px) rotate(45deg);}
body.nav-open .burger span:nth-child(2){opacity:0;}
body.nav-open .burger span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
body.nav-open .burger span{background:var(--ink) !important;}

/* 移动端抽屉 */
.mobile-nav{
  position:fixed;inset:0;z-index:880;background:#fff;
  padding:calc(var(--header-h) + 20px) 24px 40px;
  transform:translateY(-100%);transition:transform .42s var(--ease);
  overflow-y:auto;
}
body.nav-open .mobile-nav{transform:translateY(0);}
body.nav-open{overflow:hidden;}
.mobile-nav a.m-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 4px;font-size:17px;font-weight:650;color:var(--ink);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
/* 箭头图标必须锁定尺寸：flex 容器内 svg 默认会撑满剩余空间，
   在 iOS / 部分安卓 WebView 上会渲染成巨型箭头并把文字挤成竖排 */
.mobile-nav a.m-link > svg{
  width:16px;height:16px;min-width:16px;max-width:16px;
  flex:0 0 16px;flex-shrink:0;opacity:.5;
}
.mobile-nav a.m-link > span{flex:1 1 auto;min-width:0;}
.mobile-nav .m-sub{padding:4px 0 12px;}
.mobile-nav .m-sub a{
  display:block;padding:10px 4px 10px 18px;font-size:14.5px;color:var(--muted);
  border-left:2px solid var(--line);margin-left:4px;
}
.mobile-nav .m-sub a:active{color:var(--brand);border-color:var(--brand);}
.mobile-nav .m-foot{margin-top:28px;display:grid;gap:12px;}
.mobile-nav .m-tel{font-size:20px;font-weight:800;color:var(--brand);}

/* ==========================================================================
   页面头部 Banner（内页）
   ========================================================================== */
.page-hero{
  position:relative;padding:calc(var(--header-h) + 76px) 0 76px;
  background:linear-gradient(125deg,#07172a 0%,#0d2540 42%,#123a5f 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 100%);
}
.page-hero::after{
  content:"";position:absolute;width:600px;height:600px;right:-160px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(25,194,200,.22),transparent 65%);filter:blur(30px);
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{color:#fff;font-size:clamp(28px,3.6vw,44px);letter-spacing:-.02em;max-width:820px;}
.page-hero p{margin-top:20px;color:rgba(255,255,255,.68);font-size:16.5px;max-width:780px;line-height:1.9;}
.crumb{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.45);margin-bottom:26px;
}
.crumb a{color:rgba(255,255,255,.62);}
.crumb a:hover{color:var(--cyan);}
.crumb svg{width:11px;height:11px;opacity:.5;}
.crumb .now{color:var(--cyan);}

/* ==========================================================================
   首页 Hero
   ========================================================================== */
.hero{
  position:relative;min-height:min(92vh,860px);display:flex;align-items:center;
  padding:calc(var(--header-h) + 60px) 0 80px;
  background:linear-gradient(122deg,#061427 0%,#0b2138 38%,#103150 70%,#12375a 100%);
  background-color:#07172a;
  overflow:hidden;
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 75% 65% at 42% 45%,#000 20%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 75% 65% at 42% 45%,#000 20%,transparent 100%);
}
.hero-glow{position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;}
.hero-glow.g1{width:640px;height:640px;left:-180px;top:-200px;background:radial-gradient(circle,rgba(22,104,220,.42),transparent 62%);}
.hero-glow.g2{width:560px;height:560px;right:-120px;bottom:-220px;background:radial-gradient(circle,rgba(25,194,200,.3),transparent 62%);}
.hero .container{position:relative;z-index:3;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:76px;align-items:center;}

.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px 7px 8px;border-radius:999px;margin-bottom:26px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.85);backdrop-filter:blur(8px);
}
.hero-badge b{
  padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700;
  background:var(--cyan);color:#04202e;letter-spacing:.04em;
}
.hero h1{
  color:#fff;font-size:clamp(30px,3.85vw,50px);line-height:1.24;letter-spacing:-.025em;
}
.hero h1 .grad{white-space:nowrap;}
.hero h1 .grad{
  background:linear-gradient(100deg,#4d9dff 0%,#19c2c8 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:24px;font-size:17px;line-height:1.92;color:rgba(255,255,255,.7);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:44px;margin-top:56px;padding-top:32px;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-stat .num{
  font-size:32px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.hero-stat .num em{font-style:normal;font-size:17px;color:var(--cyan);margin-left:3px;font-weight:700;}
.hero-stat .lab{margin-top:6px;font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.04em;}

/* Hero 右侧视觉：系统架构卡 */
.hero-visual{position:relative;padding:26px 0;}
.oval-card{
  position:relative;padding:24px;border-radius:22px;
  background:linear-gradient(160deg,rgba(255,255,255,.13),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(18px);
  box-shadow:0 30px 70px rgba(0,0,0,.34);
}
.oval-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.oval-title{font-size:14px;font-weight:700;color:#fff;display:flex;align-items:center;gap:9px;}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:#29e6a8;position:relative;}
.pulse-dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:rgba(41,230,168,.35);animation:pulse 2s infinite;}
@keyframes pulse{0%{transform:scale(.7);opacity:1}100%{transform:scale(1.9);opacity:0}}
.oval-tag{font-size:11px;padding:4px 10px;border-radius:999px;background:rgba(25,194,200,.18);color:var(--cyan);font-weight:700;letter-spacing:.05em;}

.oval-modules{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.oval-mod{
  display:flex;align-items:center;gap:10px;padding:13px 13px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.09);
  font-size:13.5px;color:rgba(255,255,255,.92);font-weight:600;
  transition:all .3s var(--ease);
}
.oval-mod:hover{background:rgba(25,194,200,.16);border-color:rgba(25,194,200,.4);transform:translateY(-2px);}
.oval-mod i{
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(77,157,255,.22);color:#7cc0ff;
}
.oval-mod i svg{width:14px;height:14px;}

.oval-bars{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);}
.oval-bar-row{display:flex;align-items:center;gap:12px;margin-bottom:11px;font-size:12px;color:rgba(255,255,255,.62);}
.oval-bar-row:last-child{margin-bottom:0;}
.oval-bar-row span{width:76px;flex-shrink:0;}
.oval-bar{flex:1;height:6px;border-radius:99px;background:rgba(255,255,255,.1);overflow:hidden;}
.oval-bar b{
  display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
}
.oval-bar-row em{font-style:normal;width:38px;text-align:right;color:#fff;font-weight:700;}

.float-chip{
  position:absolute;padding:11px 16px;border-radius:12px;background:#fff;
  box-shadow:0 16px 40px rgba(4,20,38,.28);
  display:flex;align-items:center;gap:9px;font-size:13px;font-weight:650;color:var(--ink);
  animation:floatY 5s ease-in-out infinite;
}
.float-chip i{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;flex-shrink:0;}
.float-chip i svg{width:14px;height:14px;}
.float-chip.c1{right:-34px;top:-22px;animation-delay:.4s;}
.float-chip.c1 i{background:#e8f1ff;color:var(--brand);}
.float-chip.c2{left:-34px;bottom:-20px;animation-delay:1.6s;}
.float-chip.c2 i{background:var(--cyan-light);color:#0e9aa0;}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ==========================================================================
   信任条 / 客户 logo
   ========================================================================== */
.trust-bar{padding:34px 0;border-bottom:1px solid var(--line);background:#fff;}
.trust-inner{display:flex;align-items:center;gap:44px;flex-wrap:wrap;justify-content:space-between;}
.trust-label{font-size:13px;color:var(--muted);letter-spacing:.06em;flex-shrink:0;}
.trust-logos{display:flex;flex-wrap:wrap;gap:14px 38px;align-items:center;flex:1;justify-content:space-around;}
.trust-logos span{
  font-size:14.5px;font-weight:650;color:#9aa8b8;letter-spacing:.02em;
  white-space:nowrap;transition:color .3s;
}
.trust-logos span:hover{color:var(--ink);}

/* ==========================================================================
   业务板块卡片（首页四大方案）
   ========================================================================== */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.sol-card{
  position:relative;padding:38px 36px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid var(--line);overflow:hidden;
  transition:all .4s var(--ease);
  display:flex;flex-direction:column;
}
.sol-card::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
.sol-card:hover::after{transform:scaleX(1);}
.sol-top{display:flex;align-items:flex-start;justify-content:flex-end;gap:16px;margin-bottom:6px;}
.sol-icon{
  width:56px;height:56px;border-radius:15px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand-light),#f2f8ff);color:var(--brand);
  transition:all .4s var(--ease);
}
.sol-icon svg{width:27px;height:27px;}
.sol-card:hover .sol-icon{background:linear-gradient(140deg,var(--brand),#2f8bf5);color:#fff;transform:scale(1.05);}
.sol-num{font-size:40px;font-weight:800;color:#eaf0f8;letter-spacing:-.04em;line-height:1;}
.sol-card h3{font-size:21px;margin-bottom:12px;}
.sol-card .sol-en{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#a9b6c6;font-weight:700;margin-bottom:10px;}
.sol-card h3{position:relative;}
.sol-card p{font-size:14.8px;line-height:1.85;color:var(--muted);}
.sol-tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 24px;}
.sol-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:7px;background:var(--bg-soft);
  color:#5b6b7d;font-weight:550;
}
.sol-card .link-more{margin-top:auto;}

/* ==========================================================================
   优势
   ========================================================================== */
.adv-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:start;}
.adv-wrap > div:first-child{position:sticky;top:100px;}
.adv-list{display:grid;gap:14px;}
.adv-item{
  display:flex;gap:18px;padding:24px 26px;border-radius:16px;background:#fff;
  border:1px solid var(--line);transition:all .35s var(--ease);
}
.adv-item:hover{border-color:#cfe0f7;box-shadow:var(--shadow);transform:translateX(4px);}
.adv-num{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:var(--brand);background:var(--brand-light);
}
.adv-item h4{font-size:16.5px;margin-bottom:7px;}
.adv-item p{font-size:14.3px;color:var(--muted);line-height:1.75;}

/* ==========================================================================
   数据统计带
   ========================================================================== */
.stats-band{
  background:linear-gradient(115deg,#081b2e 0%,#0e2b47 55%,#123a5c 100%);
  padding:76px 0;position:relative;overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
}
.stats-band .container{position:relative;z-index:2;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-cell{text-align:center;padding:0 16px;position:relative;}
.stat-cell:not(:last-child)::after{
  content:"";position:absolute;right:0;top:12%;height:76%;width:1px;background:rgba(255,255,255,.12);
}
.stat-cell .num{
  font-size:clamp(32px,4vw,46px);font-weight:800;color:#fff;line-height:1;
  letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.stat-cell .num em{font-style:normal;font-size:19px;color:var(--cyan);margin-left:4px;font-weight:700;}
.stat-cell .lab{margin-top:12px;font-size:14px;color:rgba(255,255,255,.56);letter-spacing:.03em;}

/* ==========================================================================
   案例
   ========================================================================== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{
  border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line);
  transition:all .4s var(--ease);display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
.case-thumb{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,#0d2540,#1b4b78);
}
.case-thumb::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:34px 34px;
}
.case-thumb .thumb-icon{position:relative;z-index:2;color:rgba(255,255,255,.9);}
.case-thumb .thumb-icon svg{width:46px;height:46px;}
.case-badge{
  position:absolute;left:16px;top:16px;z-index:3;
  padding:5px 12px;border-radius:7px;font-size:11.5px;font-weight:700;letter-spacing:.04em;
  background:rgba(25,194,200,.92);color:#04202e;
}
.case-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.case-body h4{font-size:17px;margin-bottom:10px;}
.case-body p{font-size:14px;color:var(--muted);line-height:1.8;flex:1;}
.case-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;
}
.case-meta span{font-size:12px;color:#8d9aa9;background:var(--bg-soft);padding:4px 10px;border-radius:6px;}

/* ==========================================================================
   CTA 区块
   ========================================================================== */
.cta-band{padding:0 0 96px;}
.cta-box{
  position:relative;border-radius:26px;overflow:hidden;
  padding:64px 60px;
  background:linear-gradient(120deg,#0a1d33 0%,#103d63 60%,#125a70 100%);
  display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap;
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 85% 20%,rgba(25,194,200,.3),transparent 45%),
                   radial-gradient(circle at 10% 90%,rgba(22,104,220,.35),transparent 45%);
}
.cta-box::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-text{position:relative;z-index:2;max-width:620px;}
.cta-text h2{color:#fff;font-size:clamp(24px,2.9vw,34px);letter-spacing:-.02em;}
.cta-text p{margin-top:14px;color:rgba(255,255,255,.68);font-size:15.5px;line-height:1.8;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer{background:#08182a;color:rgba(255,255,255,.62);padding:72px 0 0;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:48px;padding-bottom:52px;}
.footer-brand .logo{margin-bottom:20px;}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:rgba(255,255,255,.4);}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.5);max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:24px;}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.07);color:rgba(255,255,255,.7);transition:all .3s var(--ease);
}
.footer-social a:hover{background:var(--brand);color:#fff;transform:translateY(-3px);}
.footer-social svg{width:16px;height:16px;}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:22px;font-weight:700;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:13px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.55);}
.footer-col a:hover{color:var(--cyan);}
.footer-contact li{display:flex;gap:11px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.55);}
.footer-contact svg{width:15px;height:15px;flex-shrink:0;margin-top:5px;color:var(--cyan);opacity:.85;}
.footer-contact strong{color:#fff;font-size:19px;font-weight:800;letter-spacing:.02em;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:24px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-links{display:flex;align-items:center;gap:10px 24px;flex-wrap:wrap;}
.footer-links a{
  color:rgba(255,255,255,.62);text-decoration:none;
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;margin:-4px -9px;border-radius:6px;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.footer-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
/* 备案号前的盾牌/标志，提升可识别度 */
.footer-links a::before{
  content:"";width:13px;height:13px;flex-shrink:0;opacity:.75;
  background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M10 2.2l6 2.2v5.1c0 3.6-2.4 6.6-6 8.3-3.6-1.7-6-4.7-6-8.3V4.4l6-2.2z' fill='none' stroke='black' stroke-width='1.6' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M10 2.2l6 2.2v5.1c0 3.6-2.4 6.6-6 8.3-3.6-1.7-6-4.7-6-8.3V4.4l6-2.2z' fill='none' stroke='black' stroke-width='1.6' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
}
/* 为右下角返回顶部按钮留出空间，避免遮挡备案号 */
.footer-bottom{padding-right:56px;}
@media (max-width:820px){
  .footer-bottom{padding-right:0;flex-direction:column;align-items:flex-start;gap:12px;}
  .footer-links{font-size:12.5px;gap:8px 18px;}
}

/* ==========================================================================
   返回顶部
   ========================================================================== */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:800;
  width:46px;height:46px;border-radius:13px;background:#fff;color:var(--brand);
  display:grid;place-items:center;box-shadow:0 10px 28px rgba(13,40,76,.16);
  border:1px solid var(--line);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .35s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand);color:#fff;}
.to-top svg{width:18px;height:18px;}

/* ==========================================================================
   滚动进场动画
   ========================================================================== */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .75s var(--ease),transform .75s var(--ease);}
[data-reveal].is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none;}
  *{animation:none !important;}
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-visual{max-width:520px;margin:0 auto;width:100%;}
  .adv-wrap{grid-template-columns:1fr;gap:40px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px;}
  .header-tel{display:none;}
}
@media (max-width:900px){
  :root{--header-h:64px;}
  .nav,.header-cta{display:none;}
  .burger{display:block;}
  .section{padding:68px 0;}
  .solution-grid,.case-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:44px 20px;}
  .stat-cell:nth-child(2)::after{display:none;}
  .cta-box{padding:44px 30px;}
  .hero{min-height:auto;}
  .hero-stats{gap:30px;}
  .footer-top{grid-template-columns:1fr;gap:36px;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding-top:calc(var(--header-h) + 40px);}
  .hero-actions .btn{flex:1;justify-content:center;}
  .hero-stats{gap:24px 28px;}
  .hero-stat .num{font-size:26px;}
  .float-chip{display:none;}
  .sol-card{padding:28px 24px;}
  .case-body{padding:20px;}
  .cta-actions .btn{width:100%;}
  .trust-inner{gap:20px;}
  .stats-grid{gap:36px 14px;}
  .stat-cell .lab{font-size:12.5px;}
}

/* ==========================================================================
   内页组件：方案详情
   ========================================================================== */
.detail-layout{display:grid;grid-template-columns:264px 1fr;gap:48px;align-items:start;}

/* 侧边栏 */
.side-nav{position:static;}
.side-nav-inner{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow-sm);
}
.side-nav-title{
  font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#a9b6c6;
  padding:8px 14px 8px;
}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 14px;border-radius:10px;font-size:14.3px;font-weight:600;color:var(--text);line-height:1.5;
  transition:all .22s var(--ease);
}
.side-nav a svg{width:13px;height:13px;opacity:0;transform:translateX(-4px);transition:all .22s var(--ease);}
.side-nav a:hover{background:var(--bg-soft);color:var(--brand);}
.side-nav a:hover svg{opacity:1;transform:none;}
.side-nav a.is-current{
  background:linear-gradient(120deg,var(--brand),#2f8bf5);color:#fff;
  box-shadow:0 6px 16px rgba(22,104,220,.24);
}
.side-nav a.is-current:hover{background:linear-gradient(120deg,var(--brand),#2f8bf5);color:#fff;}
.side-nav a.is-current svg{opacity:1;transform:none;}
.side-nav a.is-sub{padding:6px 14px 6px 26px;font-size:13px;font-weight:550;color:#5b6b7d;position:relative;line-height:1.55;}
.side-nav a.is-sub::before{
  content:"";position:absolute;left:14px;top:50%;width:4px;height:4px;border-radius:50%;
  background:#c5d3e2;transform:translateY(-50%);transition:all .22s var(--ease);
}
.side-nav a.is-sub:hover{background:var(--bg-soft);color:var(--brand);}
.side-nav a.is-sub:hover::before{background:var(--brand);}
.side-nav a.is-sub.is-current{background:var(--brand-light);color:var(--brand);font-weight:650;}
.side-nav a.is-sub.is-current::before{background:var(--brand);}
.side-nav a.is-current svg{opacity:1;transform:none;}
.side-nav-cta{
  margin-top:10px;padding:16px 16px;border-radius:12px;
  background:linear-gradient(150deg,#0d2540,#14406b);color:#fff;
}
.side-nav-cta h5{color:#fff;font-size:14.5px;margin-bottom:8px;line-height:1.5;}
.side-nav-cta p{font-size:12px;color:rgba(255,255,255,.7);line-height:1.6;margin-bottom:10px;}
.side-nav-cta .tel{display:block;font-size:16px;font-weight:800;color:var(--cyan);margin-bottom:10px;letter-spacing:.02em;}
.side-nav-cta .btn{width:100%;padding:11px;font-size:13.5px;background:#fff;color:var(--brand);justify-content:center;box-shadow:none;}
.side-nav-cta .btn:hover{background:var(--cyan);color:#fff;}
.side-nav-cta .tel{font-size:17px;font-weight:800;color:var(--cyan);margin-bottom:14px;display:block;}
.side-nav-cta .btn{width:100%;padding:11px;font-size:13.5px;}

/* 方案详情内容 */
.detail-body{min-width:0;}
.detail-block{margin-bottom:72px;scroll-margin-top:96px;}
.detail-block:last-child{margin-bottom:0;}
.detail-block > h2{
  font-size:clamp(22px,2.5vw,29px);margin-bottom:18px;letter-spacing:-.02em;
  display:flex;align-items:center;gap:14px;
}
.detail-block > h2 .idx{
  font-size:13px;font-weight:800;color:#fff;flex-shrink:0;
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#2f8bf5);
}
.detail-block > p.lead{font-size:15.6px;line-height:1.95;color:var(--muted);margin-bottom:32px;}

/* 概览卡 */
.overview-card{
  display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);margin-bottom:44px;background:#fff;
}
.overview-left{padding:36px 34px;background:linear-gradient(150deg,#eef5ff,#e2edfd);border-right:1px solid var(--line);}
.overview-left h3{font-size:19.5px;margin-bottom:14px;line-height:1.45;letter-spacing:-.01em;text-wrap:balance;}
.overview-left p{font-size:14.8px;line-height:1.9;color:var(--muted);}
.overview-right{padding:36px 34px;background:#fff;}
.overview-right h5{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#a9b6c6;font-weight:800;margin-bottom:18px;}
.ov-list{display:grid;gap:13px;}
.ov-list li{display:flex;gap:11px;font-size:14.4px;color:var(--text);line-height:1.65;}
.ov-list li svg{width:17px;height:17px;flex-shrink:0;color:var(--cyan);margin-top:3px;}

/* 子系统卡片 */
.subsys{display:grid;gap:22px;}
.subsys-card{
  border:1px solid var(--line);border-radius:18px;background:#fff;padding:32px;
  transition:all .35s var(--ease);scroll-margin-top:96px;
}
.subsys-card:hover{border-color:#cfe0f7;box-shadow:var(--shadow);}
.subsys-visual{
  position:relative;margin:0 0 24px;border-radius:14px;overflow:hidden;
  padding:26px 30px;display:flex;align-items:center;gap:0;
  background:linear-gradient(118deg,#0d2742 0%,#17456f 55%,#14657a 100%);
}
.subsys-visual::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:32px 32px;
}
.sv-icon{
  position:relative;z-index:2;width:52px;height:52px;border-radius:14px;flex-shrink:0;
  display:grid;place-items:center;background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.2);color:#fff;backdrop-filter:blur(6px);
}
.sv-icon svg{width:26px;height:26px;}
.sv-text{position:relative;z-index:2;margin-left:20px;}
.sv-text strong{display:block;color:#fff;font-size:15.5px;letter-spacing:.02em;}
.sv-text span{display:block;color:rgba(255,255,255,.58);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;margin-top:4px;}
.sv-stats{position:relative;z-index:2;margin-left:auto;display:flex;gap:34px;padding-left:24px;}
.sv-stats div{text-align:center;}
.sv-stats b{display:block;color:#fff;font-size:19px;font-weight:800;line-height:1.2;letter-spacing:-.01em;}
.sv-stats em{display:block;font-style:normal;color:rgba(255,255,255,.5);font-size:11.5px;margin-top:4px;letter-spacing:.04em;}
.subsys-head{display:flex;align-items:center;gap:16px;margin-bottom:14px;}
.subsys-num{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);font-weight:800;font-size:15px;
}
.subsys-head h3{font-size:19px;margin-bottom:3px;}
.subsys-head .en{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:#b2bfcd;font-weight:700;}
.subsys-card .desc{font-size:14.6px;color:var(--muted);line-height:1.85;margin-bottom:22px;}
.feat-list{display:grid;gap:0;border-top:1px solid var(--line);}
.feat-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);
  font-size:14.3px;line-height:1.8;color:var(--text);
}
.feat-list li:last-child{border-bottom:0;padding-bottom:0;}
.feat-list li .chk{
  width:19px;height:19px;border-radius:6px;flex-shrink:0;margin-top:4px;
  background:var(--cyan-light);color:#0e9aa0;display:grid;place-items:center;
}
.feat-list li .chk svg{width:11px;height:11px;}

/* 价值条 */
.value-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px;}
.value-cell{
  padding:26px 22px;border-radius:14px;background:var(--bg-soft);border:1px solid #edf2f8;text-align:center;
  transition:all .3s var(--ease);
}
.value-cell:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent;}
.value-cell i{
  width:44px;height:44px;border-radius:12px;margin:0 auto 14px;display:grid;place-items:center;
  background:#fff;color:var(--brand);box-shadow:var(--shadow-sm);
}
.value-cell i svg{width:21px;height:21px;}
.value-cell h5{font-size:15px;margin-bottom:7px;}
.value-cell p{font-size:13px;color:var(--muted);line-height:1.7;max-width:190px;margin:0 auto;}

/* 能力网格（大屏/会议/零售） */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.cap-card{
  padding:28px;border-radius:16px;border:1px solid var(--line);background:#fff;
  transition:all .35s var(--ease);
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent;}
.cap-card i{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,var(--brand-light),#f4f9ff);color:var(--brand);
}
.cap-card i svg{width:21px;height:21px;}
.cap-card h4{font-size:16.5px;margin-bottom:10px;}
.cap-card p{font-size:14.2px;color:var(--muted);line-height:1.82;}

/* 交付流程 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:12px;}
.flow-step{position:relative;padding:0 14px;text-align:center;}
.flow-step::before{
  content:"";position:absolute;top:23px;left:50%;width:100%;height:2px;
  background:linear-gradient(90deg,#dce7f3,#dce7f3);z-index:0;
}
.flow-step:last-child::before{display:none;}
.flow-dot{
  position:relative;z-index:2;width:48px;height:48px;border-radius:50%;margin:0 auto 16px;
  display:grid;place-items:center;background:#fff;border:2px solid #dbe7f4;color:var(--brand);
  font-weight:800;font-size:15px;transition:all .3s var(--ease);
}
.flow-step:hover .flow-dot{background:var(--brand);border-color:var(--brand);color:#fff;transform:scale(1.06);}
.flow-step h5{font-size:14.5px;margin-bottom:6px;}
.flow-step p{font-size:12.8px;color:var(--muted);line-height:1.65;max-width:180px;margin:0 auto;}

/* 适配行业 */
.industry-tags{display:flex;flex-wrap:wrap;gap:10px;}
.industry-tags span{
  padding:9px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--text);font-weight:550;transition:all .28s var(--ease);
}
.industry-tags span:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);}

/* 方案切换 */
.plan-switch{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:60px;}
.plan-switch a{align-items:center;}
.plan-switch .ps-arrow{color:#c5d3e2;transition:all .3s var(--ease);flex-shrink:0;}
.plan-switch .ps-arrow svg{width:17px;height:17px;display:block;}
.plan-switch a:hover .ps-arrow{color:var(--brand);}
.plan-switch a:hover .ps-arrow svg{transform:translateX(4px);}
.plan-switch a{
  display:flex;align-items:center;gap:16px;padding:22px 24px;border-radius:14px;
  border:1px solid var(--line);background:#fff;transition:all .32s var(--ease);
}
.plan-switch a:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-3px);}
.plan-switch .ps-lab{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#a9b6c6;font-weight:800;}
.plan-switch .ps-name{font-size:16px;font-weight:700;color:var(--ink);margin-top:3px;}
.plan-switch a:last-child{text-align:right;justify-content:flex-end;}

/* ==========================================================================
   案例页
   ========================================================================== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:44px;}
.filter-btn{
  padding:10px 22px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text);
  background:#fff;border:1px solid var(--line);transition:all .28s var(--ease);
}
.filter-btn:hover{border-color:var(--brand);color:var(--brand);}
.filter-btn.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(22,104,220,.24);}

.case-list{display:grid;gap:26px;}
.case-row{
  display:grid;grid-template-columns:340px 1fr;gap:0;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:#fff;transition:all .38s var(--ease);
}
.case-row:hover{box-shadow:var(--shadow-lg);border-color:transparent;transform:translateY(-4px);}
.case-row .case-thumb{aspect-ratio:auto;min-height:240px;height:100%;}
.case-row .case-body{padding:32px 34px;display:flex;flex-direction:column;}
.case-row .case-body p{flex:none;}
.case-row .case-result{margin-top:auto;padding-top:22px;}
.case-row .case-body h3{font-size:20px;margin-bottom:12px;}
.case-row .case-body p{font-size:14.5px;line-height:1.85;color:var(--muted);}
.case-result{display:flex;flex-wrap:wrap;gap:30px;margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);}
.case-result div{min-width:96px;}
.case-result .rn{font-size:22px;font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.02em;}
.case-result .rl{font-size:12px;color:var(--muted);margin-top:5px;}

/* ==========================================================================
   关于我们
   ========================================================================== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.about-media{
  position:relative;border-radius:22px;overflow:hidden;aspect-ratio:4/3.2;
  background:linear-gradient(150deg,#0d2540,#1c4d7c 60%,#12707e);
  display:grid;place-items:center;
}
.about-media::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:40px 40px;
}
.about-media .am-inner{position:relative;z-index:2;width:100%;padding:34px;color:#fff;}
.am-logo{display:flex;align-items:center;gap:12px;margin-bottom:22px;}
.am-logo .lm{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);color:#fff;
}
.am-logo .lm svg{width:23px;height:23px;}
.am-logo strong{display:block;font-size:16px;letter-spacing:.02em;}
.am-logo span{display:block;font-size:10px;letter-spacing:.2em;color:rgba(255,255,255,.5);margin-top:3px;}
.am-facts{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.am-fact{
  padding:14px 15px;border-radius:11px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
}
.am-fact b{display:block;font-size:18px;font-weight:800;letter-spacing:-.01em;}
.am-fact em{display:block;font-style:normal;font-size:11.5px;color:rgba(255,255,255,.56);margin-top:3px;}
.am-note{
  margin-top:16px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7;
  padding-top:14px;border-top:1px solid rgba(255,255,255,.1);letter-spacing:.02em;
}
.about-media .am-inner svg{width:60px;height:60px;opacity:.9;margin:0 auto 18px;}
.about-media .am-inner h4{color:#fff;font-size:19px;letter-spacing:.14em;margin-bottom:10px;}
.about-media .am-inner p{font-size:12px;letter-spacing:.32em;color:rgba(255,255,255,.5);text-transform:uppercase;}
.about-text h2{font-size:clamp(24px,2.9vw,34px);margin-bottom:22px;}
.about-text p{font-size:15.4px;line-height:1.95;color:var(--muted);margin-bottom:16px;}

.mvv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px;}
.mvv{
  padding:32px 28px;border-radius:16px;border:1px solid var(--line);background:#fff;
  transition:all .34s var(--ease);
}
.mvv:hover{box-shadow:var(--shadow);border-color:transparent;transform:translateY(-4px);}
.mvv i{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--brand-light);color:var(--brand);
}
.mvv i svg{width:22px;height:22px;}
.mvv h4{font-size:17px;margin-bottom:10px;}
.mvv p{font-size:14.2px;color:var(--muted);line-height:1.85;}

/* 时间轴 */
.timeline{position:relative;padding-left:0;margin-top:20px;}
.timeline::before{
  content:"";position:absolute;left:88px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand),var(--cyan),transparent);
  opacity:.3;
}
.tl-item{display:grid;grid-template-columns:88px 1fr;gap:36px;padding-bottom:36px;position:relative;}
.tl-item:last-child{padding-bottom:0;}
.tl-year{
  font-size:15px;font-weight:800;color:var(--brand);letter-spacing:.02em;position:relative;
  padding-right:20px;text-align:right;
}
.tl-year::after{
  content:"";position:absolute;right:-6px;top:8px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2.5px solid var(--brand);
}
.tl-body{padding-left:8px;}
.tl-body h4{font-size:16.5px;margin-bottom:8px;}
.tl-body p{font-size:14.2px;color:var(--muted);line-height:1.85;}

/* 团队/资质 */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.team-card{
  padding:28px 24px;border-radius:16px;background:#fff;border:1px solid var(--line);text-align:center;
  transition:all .32s var(--ease);
}
.team-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent;}
.team-avatar{
  width:64px;height:64px;border-radius:50%;margin:0 auto 16px;display:grid;place-items:center;
  background:linear-gradient(140deg,#e8f1ff,#f5faff);color:var(--brand);font-weight:700;font-size:15px;
  border:1px solid #dbe9fb;letter-spacing:.02em;
}
.team-card h5{font-size:15.5px;margin-bottom:5px;}
.team-card .role{font-size:12.5px;color:var(--brand);font-weight:650;margin-bottom:10px;}
.team-card p{font-size:12.8px;color:var(--muted);line-height:1.7;}

.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.cert-item{
  display:flex;align-items:center;gap:13px;padding:20px 22px;border-radius:13px;
  background:var(--bg-soft);border:1px solid #edf2f8;
}
.cert-item svg{width:22px;height:22px;color:var(--cyan);flex-shrink:0;}
.cert-item span{font-size:13.8px;font-weight:600;color:var(--text);line-height:1.5;}

/* ==========================================================================
   新闻
   ========================================================================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);
  display:flex;flex-direction:column;transition:all .38s var(--ease);
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
.news-cover{
  aspect-ratio:16/9;position:relative;display:grid;place-items:center;
  background:linear-gradient(140deg,#0e2a47,#1a4e7d);
  overflow:hidden;
}
.news-cover::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:30px 30px;
  transition:transform .6s var(--ease);
}
.news-card:hover .news-cover::before{transform:scale(1.12);}
.news-cover svg{width:38px;height:38px;color:rgba(255,255,255,.85);position:relative;z-index:2;}
.news-cat{
  position:absolute;left:14px;top:14px;z-index:3;padding:4px 11px;border-radius:6px;
  font-size:11px;font-weight:700;background:rgba(255,255,255,.94);color:var(--brand);
}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-date{font-size:12.5px;color:#a9b6c6;letter-spacing:.04em;margin-bottom:10px;display:flex;align-items:center;gap:7px;}
.news-date svg{width:13px;height:13px;}
.news-body h4{font-size:16.5px;line-height:1.55;margin-bottom:11px;transition:color .25s;}
.news-card:hover .news-body h4{color:var(--brand);}
.news-body p{font-size:13.8px;color:var(--muted);line-height:1.78;flex:1;}
.news-body .link-more{margin-top:18px;font-size:13.5px;}

/* ==========================================================================
   联系我们
   ========================================================================== */
.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;}
.contact-info{display:grid;gap:16px;}
.contact-card{
  display:flex;gap:18px;padding:26px 28px;border-radius:16px;background:#fff;
  border:1px solid var(--line);transition:all .32s var(--ease);
}
.contact-card:hover{border-color:#cfe0f7;box-shadow:var(--shadow);}
.contact-card i{
  width:46px;height:46px;border-radius:13px;flex-shrink:0;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);
}
.contact-card i svg{width:21px;height:21px;}
.contact-card .cc-lab{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#a9b6c6;font-weight:800;margin-bottom:6px;}
.contact-card .cc-val{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;word-break:break-all;}
.contact-card .cc-val.big{font-size:22px;color:var(--brand);letter-spacing:.02em;}
.contact-card .cc-sub{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.65;}

.form-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px;
  box-shadow:var(--shadow-sm);
}
.form-card h3{font-size:21px;margin-bottom:8px;}
.form-card .form-tip{font-size:13.8px;color:var(--muted);margin-bottom:28px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:650;color:var(--ink);margin-bottom:8px;}
.field label em{color:#e05252;font-style:normal;margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border:1px solid var(--line);border-radius:10px;
  font-size:14.3px;font-family:inherit;color:var(--ink);background:#fcfdff;
  transition:all .25s var(--ease);outline:none;
}
.field textarea{resize:vertical;min-height:112px;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 3.5px rgba(22,104,220,.1);
}
.field input::placeholder,.field textarea::placeholder{color:#b8c4d1;}
.form-note{font-size:12.3px;color:#a9b6c6;margin-top:14px;line-height:1.7;}
.form-ok{
  display:none;padding:14px 18px;border-radius:10px;background:#e9f9f1;color:#0e8a58;
  font-size:14px;margin-bottom:18px;font-weight:600;
}
.form-ok.show{display:block;}

.map-card{
  margin-top:24px;border-radius:18px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(150deg,#0e2a47,#1a4e7d);min-height:230px;
  display:grid;place-items:center;position:relative;
}
.map-card::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:36px 36px;
}
.map-inner{position:relative;z-index:2;text-align:center;color:#fff;padding:30px;}
.map-inner svg{width:30px;height:30px;margin:0 auto 12px;color:var(--cyan);}
.map-inner h5{color:#fff;font-size:15.5px;margin-bottom:6px;}
.map-inner p{font-size:12.8px;color:rgba(255,255,255,.6);}

/* ==========================================================================
   响应式补充
   ========================================================================== */
@media (max-width:1080px){
  .detail-layout{grid-template-columns:1fr;gap:34px;}
  .side-nav{position:static;}
  .side-nav-inner{display:flex;flex-wrap:wrap;gap:4px;align-items:center;}
  .side-nav-title{width:100%;padding-bottom:6px;}
  .side-nav a{flex:none;padding:9px 14px;font-size:13.5px;background:var(--bg-soft);}
  .side-nav a svg{display:none;}
  .side-nav-cta{display:none;}
  .overview-card{grid-template-columns:1fr;}
  .value-row{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:repeat(3,1fr);gap:32px 0;}
  .flow-step:nth-child(3)::before{display:none;}
  .about-grid{grid-template-columns:1fr;gap:36px;}
  .about-media{aspect-ratio:16/9;}
  .mvv-grid{grid-template-columns:1fr;}
  .team-grid,.cert-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .contact-layout{grid-template-columns:1fr;}
  .case-row{grid-template-columns:1fr;}
  .case-row .case-thumb{min-height:180px;aspect-ratio:16/9;}
}
@media (max-width:900px){
  .cap-grid{grid-template-columns:1fr;}
  .plan-switch{grid-template-columns:1fr;}
  .plan-switch a:last-child{text-align:left;justify-content:flex-start;}
  .timeline::before{left:66px;}
  .tl-item{grid-template-columns:66px 1fr;gap:22px;}
  .tl-year{font-size:13.5px;padding-right:14px;}
}
@media (max-width:560px){
  .subsys-card{padding:24px 20px;}
  .overview-left,.overview-right{padding:26px 22px;}
  .value-row{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr 1fr;gap:26px 0;}
  .flow-step:nth-child(even)::before{display:none;}
  .flow-step:nth-child(3)::before{display:block;}
  .team-grid,.cert-grid,.news-grid{grid-template-columns:1fr;}
  .case-row .case-body{padding:24px 22px;}
  .form-card{padding:26px 22px;}
  .form-row{grid-template-columns:1fr;}
  .contact-card{padding:22px;}
  .filter-btn{padding:9px 16px;font-size:13px;}
  .detail-block{margin-bottom:52px;}
}

/* 摘要面板小屏适配 */
@media (max-width:700px){
  .subsys-visual{flex-wrap:wrap;padding:22px 22px;row-gap:16px;}
  .sv-text{margin-left:14px;flex:1;min-width:0;}
  .sv-text strong{font-size:14.5px;}
  .sv-stats{
    margin-left:0;width:100%;padding-left:0;padding-top:14px;gap:0;
    border-top:1px solid rgba(255,255,255,.14);justify-content:space-between;
  }
  .sv-stats div{flex:1;text-align:left;}
  .sv-stats div + div{border-left:1px solid rgba(255,255,255,.12);padding-left:14px;}
  .sv-stats b{font-size:16px;}
  .sv-stats em{font-size:11px;}
}

/* ---------- v2 补充 ---------- */
.case-thumb img,.news-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2;transition:transform .6s var(--ease);}
.case-thumb::before,.news-cover::before{z-index:1;}
.case-card:hover .case-thumb img,.case-row:hover .case-thumb img{transform:scale(1.06);}
.news-card:hover .news-cover img{transform:scale(1.06);}
.case-row .case-thumb{position:relative;}
.news-cover{position:relative;}
.news-cover .news-cat{z-index:3;}

.header-shop{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:650;
  color:#fff;border:1.5px solid rgba(25,194,200,.65);
  transition:all .3s var(--ease);
}
.header-shop::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);}
.header-shop:hover{background:var(--cyan);color:#04202e;border-color:var(--cyan);transform:translateY(-1px);}
.site-header.is-stuck .header-shop{color:var(--brand);border-color:var(--brand);}
.site-header.is-stuck .header-shop:hover{background:var(--brand);color:#fff;}
@media (max-width:1080px){.header-shop{display:none;}}

.news-modal{position:fixed;inset:0;z-index:990;display:none;}
.news-modal.open{display:block;}
.nm-mask{position:absolute;inset:0;background:rgba(6,18,32,.62);backdrop-filter:blur(4px);}
.nm-box{
  position:relative;z-index:2;max-width:720px;margin:6vh auto;max-height:88vh;overflow-y:auto;
  background:#fff;border-radius:20px;padding:44px 48px;box-shadow:0 30px 80px rgba(4,20,38,.4);
}
.nm-close{
  position:absolute;right:18px;top:18px;width:38px;height:38px;border-radius:10px;
  font-size:22px;line-height:1;color:var(--muted);background:var(--bg-soft);transition:all .25s;
}
.nm-close:hover{background:#fdeaea;color:#e05252;}
.nm-cat{display:inline-block;padding:4px 12px;border-radius:6px;background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:700;margin-bottom:14px;}
.nm-box h3{font-size:22px;line-height:1.5;margin-bottom:10px;padding-right:30px;}
.nm-date{font-size:13px;color:#a9b6c6;margin-bottom:20px;}
.nm-box img{width:100%;border-radius:12px;margin-bottom:24px;aspect-ratio:16/9;object-fit:cover;}
.nm-body{font-size:15px;line-height:1.9;color:var(--text);}
.nm-body p{margin-bottom:14px;}
.nm-body strong{color:var(--ink);}
button.news-more{background:none;font-family:inherit;}
button.news-more:hover{color:var(--brand-dark);}
@media (max-width:640px){.nm-box{margin:4vh 14px;padding:30px 22px;}}
.mobile-nav .m-shop{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:13px;border-radius:12px;border:1.5px solid var(--brand);
  color:var(--brand);font-weight:700;font-size:15px;
}

/* ==========================================================================
   八大解决方案卡片（带封面）
   ========================================================================== */
.solution-grid--eight{grid-template-columns:repeat(4,1fr);gap:22px;}
.solution-grid--eight .sol-card{padding:0;overflow:hidden;}
.sol-cover{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,#0d2540,#1b4b78);
}
.sol-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.sol-card:hover .sol-cover img{transform:scale(1.07);}
.sol-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,24,42,0) 40%,rgba(8,24,42,.55) 100%);
}
.sol-inner{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.solution-grid--eight .sol-top{margin-bottom:2px;justify-content:flex-end;}
.solution-grid--eight .sol-num{font-size:26px;color:#e8eff8;line-height:1;}
.solution-grid--eight .sol-en{font-size:10.5px;letter-spacing:.12em;margin-bottom:7px;}
.solution-grid--eight h3{font-size:16.5px;margin-bottom:9px;line-height:1.4;}
.solution-grid--eight p{font-size:13.2px;line-height:1.75;}
.solution-grid--eight .sol-tags{gap:6px;margin:14px 0 16px;}
.solution-grid--eight .sol-tags span{font-size:11.5px;padding:4px 9px;border-radius:6px;}
.solution-grid--eight .link-more{font-size:13px;}

@media (max-width:1200px){
  .solution-grid--eight{grid-template-columns:repeat(2,1fr);gap:24px;}
}
@media (max-width:560px){
  .solution-grid--eight{grid-template-columns:1fr;}
  .solution-grid--eight h3{font-size:17px;}
}

/* 八卡微调 */
.solution-grid--eight .sol-inner{padding:20px 20px 22px;}
.solution-grid--eight h3{font-size:17px;letter-spacing:-.01em;}
.solution-grid--eight p{font-size:13.4px;color:#6a7889;}
.solution-grid--eight .sol-num{font-size:13px;font-weight:800;letter-spacing:.1em;color:#d3dfec;}
.solution-grid--eight .sol-cover{aspect-ratio:16/9.5;}
.solution-grid--eight .sol-tags span{background:#f2f6fb;color:#5a6b7e;}

/* ==========================================================================
   解决方案：两列 × 四行（页脚 + 顶部下拉）
   ========================================================================== */
.footer-col--plans{min-width:0;}
.footer-plans{
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-auto-flow:column;
  grid-template-rows:repeat(4,auto);
  gap:13px 26px;
}
.footer-plans li{min-width:0;}
.footer-plans a{white-space:nowrap;}

/* 顶部导航下拉：两列 */
.dropdown--grid{
  width:380px;
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-auto-flow:column;
  grid-template-rows:repeat(4,auto);
  gap:2px 6px;
}
.dropdown--grid a{padding:10px 13px;font-size:14.5px;}

/* 窄屏：页脚与下拉回落为单列，避免挤压 */
@media (max-width:900px){
  .footer-col--plans{grid-column:1 / -1;}
  .footer-plans{gap:13px 20px;}
}
@media (max-width:560px){
  .footer-plans{grid-template-columns:1fr;grid-auto-flow:row;grid-template-rows:none;gap:13px;}
}

/* 页脚方案列加宽，两列更舒展 */
.footer-top{grid-template-columns:1.35fr 1.25fr 1fr 1.4fr;}
.footer-plans{gap:13px 30px;}
.footer-plans a{font-size:14.5px;}
@media (max-width:1080px){
  .footer-top{grid-template-columns:1fr 1fr;}
}

/* 能力卡：图标移至小标题左侧 */
.cap-card .cap-head{
  display:flex;align-items:center;gap:11px;margin-bottom:12px;
}
.cap-card .cap-head i{
  width:34px;height:34px;border-radius:9px;margin:0;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand-light),#f4f9ff);color:var(--brand);
}
.cap-card .cap-head i svg{width:17px;height:17px;}
.cap-card .cap-head h4{font-size:16.5px;margin:0;line-height:1.35;letter-spacing:-.01em;}
.cap-card{padding:24px 26px;}
.cap-card p{margin:0;}

@media (max-width:560px){
  .cap-card{padding:20px;}
  .cap-card .cap-head h4{font-size:15.5px;}
  .cap-card .cap-head i{width:30px;height:30px;}
  .cap-card .cap-head i svg{width:15px;height:15px;}
}

/* 关于页 logo：与首页完全同一套标记（渐变方块 + 白色描边图形） */
.about-media .am-logo .lm{
  width:50px;height:50px;border-radius:14px;padding:0;overflow:hidden;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand) 0%,#2f8bf5 52%,var(--cyan) 100%);
  border:none;box-shadow:0 10px 24px rgba(22,104,220,.42);
}
.about-media .am-logo .lm svg{width:32px;height:32px;display:block;}
.about-media .am-logo strong{font-size:19px;letter-spacing:.01em;}
.about-media .am-logo span{font-size:10.5px;letter-spacing:.18em;}

/* ==========================================================================
   内部登录页（供货商 / 经销商）
   ========================================================================== */
.login-page{
  min-height:100vh;display:flex;flex-direction:column;
  background:
    radial-gradient(1100px 620px at 82% -12%,rgba(25,194,200,.20),transparent 62%),
    radial-gradient(900px 520px at 6% 6%,rgba(22,104,220,.28),transparent 60%),
    linear-gradient(160deg,#071a2e 0%,#0a1d33 48%,#07243a 100%);
}
.login-page .site-footer{margin-top:auto;}

.login-wrap{
  flex:1;display:flex;align-items:center;justify-content:center;
  padding:calc(var(--header-h) + 56px) 24px 72px;
}

/* 卡片外的左侧说明区 */
.login-shell{
  width:100%;max-width:980px;
  display:grid;grid-template-columns:1fr 420px;gap:56px;align-items:center;
}

.login-intro{color:#fff;}
.login-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:650;letter-spacing:.04em;
  color:#9fe9ec;background:rgba(25,194,200,.12);border:1px solid rgba(25,194,200,.32);
  margin-bottom:20px;
}
.login-badge::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);
}
.login-intro h1{
  font-size:clamp(26px,2.6vw,34px);line-height:1.28;letter-spacing:-.015em;
  font-weight:700;margin-bottom:16px;color:#fff;
}
.login-intro h1 em{
  font-style:normal;display:inline-block;
  background:linear-gradient(100deg,#fff 10%,#8fe4e8 70%,#7cc4ff 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.login-intro p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:26px;max-width:440px;}
.login-points{display:grid;gap:13px;}
.login-points li{display:flex;align-items:flex-start;gap:11px;font-size:14px;color:rgba(255,255,255,.78);}
.login-points i{
  width:20px;height:20px;border-radius:6px;flex-shrink:0;margin-top:1px;
  display:grid;place-items:center;
  background:rgba(25,194,200,.16);color:var(--cyan);
}
.login-points i svg{width:12px;height:12px;}

/* 登录卡片 */
.login-card{
  background:#fff;border-radius:20px;padding:36px 34px 34px;
  box-shadow:0 32px 80px rgba(3,14,26,.48),0 2px 0 rgba(255,255,255,.06) inset;
  border:1px solid rgba(255,255,255,.1);
}
.login-card .lc-head{text-align:center;margin-bottom:26px;}
.login-card .lc-mark{
  width:52px;height:52px;border-radius:15px;margin:0 auto 16px;
  background:linear-gradient(140deg,var(--brand) 0%,#2f8bf5 52%,var(--cyan) 100%);
  display:grid;place-items:center;box-shadow:0 10px 24px rgba(22,104,220,.34);
}
.login-card .lc-mark svg{width:26px;height:26px;}
.login-card h2{font-size:20px;font-weight:700;letter-spacing:-.01em;margin-bottom:7px;}
.login-card .lc-sub{font-size:13px;color:var(--muted);}

/* 内部系统提示条：醒目但不刺眼 */
.login-notice{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px 14px;border-radius:11px;margin-bottom:22px;
  background:#fff8e8;border:1px solid #f6e0b0;
  font-size:12.5px;line-height:1.65;color:#8a6412;
}
.login-notice svg{width:15px;height:15px;flex-shrink:0;margin-top:2px;color:#d99b18;}
.login-notice strong{color:#7a5406;}

.login-field{margin-bottom:16px;}
.login-field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:7px;}
.login-input{
  position:relative;display:flex;align-items:center;
}
.login-input svg{
  position:absolute;left:14px;width:16px;height:16px;color:#9aa9b8;pointer-events:none;
  transition:color .2s var(--ease);
}
.login-input input{
  width:100%;height:46px;padding:0 44px 0 40px;
  border:1.5px solid #e2e8ef;border-radius:10px;background:#fbfcfe;
  font-size:14.5px;color:var(--text);transition:all .22s var(--ease);
}
.login-input input::placeholder{color:#aab6c2;}
.login-input input:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(22,104,220,.10);
}
.login-input:focus-within svg{color:var(--brand);}
.login-eye{
  position:absolute;right:8px;width:30px;height:30px;border-radius:7px;
  display:grid;place-items:center;color:#9aa9b8;background:none;border:none;cursor:pointer;
  transition:all .2s var(--ease);
}
.login-eye:hover{background:#eef3f9;color:var(--brand);}
.login-eye svg{position:static;width:16px;height:16px;}

.login-row{display:flex;align-items:center;justify-content:space-between;margin:4px 0 22px;font-size:13px;}
.login-check{display:flex;align-items:center;gap:7px;color:var(--muted);cursor:pointer;user-select:none;}
.login-check input{width:15px;height:15px;accent-color:var(--brand);cursor:pointer;}
.login-help{color:var(--brand);font-weight:600;}
.login-help:hover{text-decoration:underline;}

.login-btn{
  width:100%;height:48px;border-radius:10px;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:650;color:#fff;
  background:linear-gradient(100deg,var(--brand) 0%,#2f8bf5 60%,var(--cyan) 130%);
  box-shadow:0 12px 26px rgba(22,104,220,.30);
  transition:all .25s var(--ease);
}
.login-btn:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(22,104,220,.36);}
.login-btn:active{transform:translateY(0);}
.login-btn:disabled{opacity:.62;cursor:not-allowed;transform:none;}
.login-btn svg{width:16px;height:16px;}

.login-msg{
  display:none;margin-top:14px;padding:11px 13px;border-radius:9px;
  font-size:13px;line-height:1.6;
}
.login-msg.show{display:block;}
.login-msg.err{background:#fdecec;color:#c04a4a;border:1px solid #f6cfcf;}
.login-msg.ok{background:#e9f9f1;color:#0e8a58;border:1px solid #c6ebd9;}

.login-foot{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.75;color:var(--muted);text-align:center;
}

@media (max-width:1000px){
  .login-shell{grid-template-columns:1fr;max-width:460px;gap:34px;}
  .login-intro{text-align:center;}
  .login-intro p{margin-left:auto;margin-right:auto;}
  .login-points{max-width:380px;margin:0 auto;text-align:left;}
  .login-badge{margin-left:auto;margin-right:auto;}
}
@media (max-width:560px){
  .login-wrap{padding:calc(var(--header-h) + 34px) 16px 52px;}
  .login-card{padding:28px 22px 24px;border-radius:16px;}
  .login-intro h1{font-size:23px;}
  .login-points li{font-size:13.5px;}
}

/* 页脚「关于昱辰」列：与「解决方案」一致的两列网格（列优先填充）
   左列=公司简介·成功案例·新闻动态·联系我们
   右列=供货商登录·经销商登录·内部工作台 */
.footer-about-links{
  display:grid;grid-template-columns:1fr 1fr;
  grid-auto-flow:column;grid-template-rows:repeat(4,auto);
  gap:13px 26px;
}
.footer-about-links li{margin:0;}
.footer-about-links a{white-space:nowrap;}
@media (max-width:900px){
  /* 仍保持列优先，阅读顺序与桌面一致，只收窄间距 */
  .footer-about-links{gap:11px 22px;}
}
@media (max-width:560px){
  /* 与「解决方案」列一致：超窄屏回落单列，避免文字挤压换行 */
  .footer-about-links{
    grid-template-columns:1fr;grid-auto-flow:row;grid-template-rows:none;gap:13px;
  }
}

/* 超窄屏（320px 及以下）兜底：防止横向滚动条 */
@media (max-width:340px){
  .container{padding:0 14px;}
  .site-header .header-inner{gap:10px;}
  .logo-mark{width:34px;height:34px;border-radius:9px;}
  .logo-mark svg{width:19px;height:19px;}
  .logo-name{font-size:16px;}
  .logo-sub{font-size:9px;letter-spacing:.14em;}
  .mobile-nav{padding-left:16px;padding-right:16px;}
  .case-row .case-body{padding:20px 16px;}
  .case-row .case-body h3{font-size:18px;}
  .page-hero h1{font-size:26px;}
  .footer-top{gap:30px;}
  .login-card{padding:26px 18px 22px;}
}
html,body{max-width:100%;overflow-x:hidden;}