/* ============================================================
   安徽志登工程科技有限公司 — 官网样式
   ============================================================ */

:root{
  --ink:#060B14;
  --ink-2:#0A1120;
  --ink-3:#0D1626;
  --text:#E9EFF9;
  --text-2:#B4C2D6;
  --muted:#8496AF;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);

  --blue:#2E8BFF;
  --blue-soft:#6BB6FF;
  --teal:#22D3C5;
  --amber:#F5A623;
  --green:#4ECB71;

  --radius:20px;
  --max:1220px;
  --ease:cubic-bezier(.22,.7,.24,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  scroll-padding-top:88px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;letter-spacing:-.015em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{
  width:min(var(--max),100% - 64px);
  margin-inline:auto;
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:500;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .35s var(--ease),background .3s,border-color .3s,box-shadow .35s;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;transition:transform .35s var(--ease)}
.btn:hover{transform:translateY(-2px)}

.btn-primary{
  background:linear-gradient(135deg,#2E8BFF,#1B6BE0 60%,#22D3C5 140%);
  color:#fff;
  box-shadow:0 10px 30px -10px rgba(46,139,255,.65);
}
.btn-primary:hover{box-shadow:0 16px 40px -12px rgba(46,139,255,.85)}
.btn-primary:hover svg{transform:translateX(4px)}

.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-2);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.3)}

.btn-block{width:100%}

/* ---------- 头部 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .4s var(--ease),border-color .4s,backdrop-filter .4s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(6,11,20,.82);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:32px;
  height:76px;
}

.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(46,139,255,.22),rgba(34,211,197,.12));
  border:1px solid rgba(107,182,255,.28);
  color:var(--blue-soft);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
}
.brand-mark svg{width:23px;height:23px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:600;letter-spacing:.06em}
.brand-text em{
  font-style:normal;font-size:9px;letter-spacing:.16em;
  color:var(--muted);margin-top:4px;
}

.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav a{
  position:relative;
  padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);
  transition:color .25s,background .25s;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav a.active{color:#fff}
.nav a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;
  width:4px;height:4px;border-radius:50%;
  background:var(--teal);transform:translateX(-50%);
  box-shadow:0 0 8px var(--teal);
}
.nav .nav-tel{
  display:inline-flex;align-items:center;gap:7px;
  margin-left:14px;padding:9px 18px;
  border:1px solid var(--line-2);border-radius:999px;
  color:#fff;font-size:14px;font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.03);
}
.nav .nav-tel svg{width:15px;height:15px;color:var(--teal)}
.nav .nav-tel:hover{border-color:rgba(34,211,197,.5);background:rgba(34,211,197,.08)}
.nav .nav-tel::after{display:none}

.menu-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  background:none;border:1px solid var(--line-2);border-radius:12px;
  cursor:pointer;position:relative;
}
.menu-toggle span{
  position:absolute;left:13px;width:18px;height:1.5px;background:var(--text);
  transition:transform .3s var(--ease),opacity .2s;
}
.menu-toggle span:nth-child(1){top:18px}
.menu-toggle span:nth-child(2){top:24px}
.menu-toggle.open span:nth-child(1){transform:translateY(3px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  padding-top:150px;
  overflow:hidden;
  background:
    radial-gradient(120% 90% at 78% 8%,rgba(20,50,110,.55) 0%,rgba(6,11,20,0) 55%),
    linear-gradient(180deg,#070D18 0%,#060B14 78%);
}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}

.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:76px 76px;
  mask-image:radial-gradient(90% 75% at 50% 25%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(90% 75% at 50% 25%,#000 20%,transparent 78%);
  opacity:.75;
}
.glow{position:absolute;border-radius:50%;filter:blur(90px)}
.glow-1{
  width:620px;height:620px;right:-120px;top:-180px;
  background:radial-gradient(circle,rgba(46,139,255,.34),transparent 68%);
  animation:float1 16s ease-in-out infinite;
}
.glow-2{
  width:520px;height:520px;left:-160px;top:120px;
  background:radial-gradient(circle,rgba(34,211,197,.18),transparent 70%);
  animation:float2 20s ease-in-out infinite;
}
@keyframes float1{50%{transform:translate(-40px,50px) scale(1.08)}}
@keyframes float2{50%{transform:translate(50px,-40px) scale(1.1)}}

.hero-beam{
  position:absolute;left:50%;top:-30%;width:1px;height:130%;
  background:linear-gradient(180deg,transparent,rgba(107,182,255,.25),transparent);
  transform:rotate(18deg);opacity:.6;
}

.mesh{
  position:absolute;right:-8%;top:6%;
  width:min(760px,70vw);height:auto;
  opacity:.55;
  animation:meshDrift 28s linear infinite;
}
@keyframes meshDrift{50%{transform:translateY(-18px) rotate(2deg)}}
.pulse-ring{transform-origin:300px 246px;animation:pulse 4s ease-out infinite}
@keyframes pulse{
  0%{opacity:.9;transform:scale(.85)}
  70%{opacity:0;transform:scale(1.35)}
  100%{opacity:0}
}

.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:48px;align-items:center;
  padding-bottom:12px;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px 7px 12px;margin-bottom:26px;
  font-size:12.5px;letter-spacing:.06em;color:var(--text-2);
  border:1px solid var(--line-2);border-radius:999px;
  background:rgba(255,255,255,.03);
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 4px rgba(34,211,197,.15);
  animation:blink 2.6s ease-in-out infinite;
}
@keyframes blink{50%{opacity:.35}}

.hero h1{
  font-size:clamp(2.2rem,4.1vw,3.5rem);
  line-height:1.18;
  letter-spacing:-.025em;
  font-weight:600;
  margin-bottom:26px;
}
.grad{
  background:linear-gradient(100deg,#8CCBFF 0%,#2E8BFF 45%,#1E6FE8 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.grad2{
  background:linear-gradient(100deg,#5FE9DC,#22D3C5 60%,#1AA79C);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

.lead{
  max-width:600px;
  font-size:16.5px;line-height:1.95;color:var(--text-2);
  margin-bottom:36px;
}

.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}

.hero-tags{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-tags li{
  position:relative;
  padding-left:18px;font-size:13.5px;color:var(--muted);
  letter-spacing:.02em;
}
.hero-tags li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:2px;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  transform:rotate(45deg);
}

/* 首屏右侧卡片堆 */
.hero-visual{position:relative;display:grid;place-items:center;min-height:420px}
.orbit{
  position:absolute;width:min(460px,40vw);aspect-ratio:1;border-radius:50%;
  border:1px dashed rgba(107,182,255,.18);
  animation:spin 60s linear infinite;
}
.orbit::after{
  content:"";position:absolute;top:-4px;left:50%;
  width:8px;height:8px;border-radius:50%;
  background:var(--blue-soft);box-shadow:0 0 16px 4px rgba(107,182,255,.7);
  transform:translateX(-50%);
}
@keyframes spin{to{transform:rotate(360deg)}}

.stack{position:relative;width:100%;max-width:380px;display:grid;gap:14px}
.stack-card{
  position:relative;
  padding:22px 24px 22px 76px;
  border-radius:16px;
  background:linear-gradient(150deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:0 20px 50px -25px rgba(0,0,0,.9);
  transition:transform .5s var(--ease),border-color .4s,background .4s;
}
.stack-card h4{font-size:16px;margin-bottom:4px}
.stack-card p{font-size:12.5px;color:var(--muted);line-height:1.6}
.sc-num{
  position:absolute;right:18px;top:14px;
  font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.22);
  font-variant-numeric:tabular-nums;
}
.sc-icon{
  position:absolute;left:22px;top:50%;transform:translateY(-50%);
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:rgba(46,139,255,.12);
  border:1px solid rgba(46,139,255,.22);
  color:var(--blue-soft);
}
.sc-icon svg{width:20px;height:20px}
.c1{transform:translateX(-26px) rotate(-1.6deg)}
.c2{transform:translateX(0) rotate(.6deg)}
.c3{transform:translateX(26px) rotate(1.8deg)}
.c1 .sc-icon{background:rgba(46,139,255,.12);border-color:rgba(46,139,255,.25);color:var(--blue-soft)}
.c2 .sc-icon{background:rgba(245,166,35,.1);border-color:rgba(245,166,35,.25);color:#FFC266}
.c3 .sc-icon{background:rgba(78,203,113,.1);border-color:rgba(78,203,113,.25);color:#7FE09A}

@media (hover:hover){
  .stack-card:hover{transform:translateX(0) rotate(0) scale(1.02);border-color:rgba(107,182,255,.4)}
}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:72px;padding:34px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  position:relative;z-index:2;
}
.stat{
  padding:0 28px;border-left:1px solid var(--line);
}
.stat:first-child{border-left:0;padding-left:0}
.stat strong{
  display:block;
  font-size:clamp(1.9rem,3.2vw,2.6rem);
  font-weight:600;letter-spacing:-.03em;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(180deg,#fff,#9DBBDF);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.stat strong i{font-style:normal}
.stat strong em{
  font-style:normal;font-size:.44em;font-weight:500;
  margin-left:4px;letter-spacing:0;
  -webkit-text-fill-color:var(--text-2);
}
.stat span{
  display:block;margin-top:8px;
  font-size:13px;color:var(--muted);letter-spacing:.08em;
}

/* ---------- 品牌滚动条 ---------- */
.brandbar{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);
  overflow:hidden;
  padding:20px 0;
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.brandbar-track{
  display:flex;align-items:center;gap:34px;width:max-content;
  animation:marquee 42s linear infinite;
}
.brandbar-track span{
  font-size:14.5px;color:var(--text-2);white-space:nowrap;letter-spacing:.04em;
}
.brandbar-track span em{
  font-style:normal;font-size:11px;letter-spacing:.14em;
  color:rgba(255,255,255,.28);margin-left:6px;text-transform:uppercase;
}
.brandbar-track b{color:rgba(107,182,255,.45);font-weight:400}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 通用段落 ---------- */
.section{padding:clamp(76px,9vw,132px) 0;position:relative}
.section-alt{
  background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(255,255,255,0));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.section-eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:12.5px;letter-spacing:.14em;color:var(--muted);
  margin-bottom:22px;text-transform:uppercase;
}
.section-eyebrow span{
  font-variant-numeric:tabular-nums;
  color:var(--teal);letter-spacing:.06em;
}
.section-eyebrow::after{
  content:"";width:54px;height:1px;
  background:linear-gradient(90deg,var(--line-2),transparent);
}
.section-eyebrow.light{color:rgba(255,255,255,.55)}

.section-title{
  font-size:clamp(1.75rem,3.4vw,2.6rem);
  line-height:1.32;letter-spacing:-.02em;
}
.section-title.light{color:#fff}

.section-head{
  display:grid;grid-template-columns:1.1fr .9fr;
  gap:48px;align-items:end;
  margin-bottom:clamp(38px,5vw,62px);
}
.section-desc{
  font-size:15px;line-height:1.9;color:var(--text-2);
  padding-bottom:6px;
}

.body-lg{font-size:16.5px;line-height:1.95;color:var(--text-2);margin-top:26px}
.body{font-size:15px;line-height:1.95;color:var(--muted);margin-top:18px}
.body strong{color:var(--text);font-weight:500}

/* ---------- 关于我们 ---------- */
.about-grid{
  display:grid;grid-template-columns:1.12fr .88fr;
  gap:clamp(36px,5vw,80px);align-items:start;
}

.value-list{margin-top:38px;display:grid;gap:0}
.value-list li{
  display:grid;grid-template-columns:96px 1fr;gap:18px;
  padding:16px 0;border-top:1px solid var(--line);
  align-items:baseline;
}
.value-list li:last-child{border-bottom:1px solid var(--line)}
.vl-k{
  font-size:13.5px;color:var(--teal);letter-spacing:.06em;
  position:relative;padding-left:14px;
}
.vl-k::before{
  content:"";position:absolute;left:0;top:.62em;
  width:5px;height:5px;border-radius:50%;background:var(--teal);opacity:.8;
}
.vl-v{font-size:14.5px;color:var(--text-2)}

.about-card{
  position:relative;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:
    radial-gradient(120% 80% at 100% 0%,rgba(46,139,255,.14),transparent 60%),
    linear-gradient(170deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  padding:32px 30px 26px;
  overflow:hidden;
  position:sticky;top:100px;
}
.about-card::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(70% 60% at 100% 0%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 60% at 100% 0%,#000,transparent);
  pointer-events:none;
}
.ac-badge{
  display:inline-block;font-size:11px;letter-spacing:.16em;
  padding:5px 11px;border-radius:6px;
  color:var(--blue-soft);background:rgba(46,139,255,.12);
  border:1px solid rgba(46,139,255,.22);
}
.ac-head h3{font-size:18px;margin-top:16px;line-height:1.5}
.ac-list{margin:26px 0 0}
.ac-list div{
  display:flex;justify-content:space-between;gap:20px;
  padding:13px 0;border-top:1px solid var(--line);
}
.ac-list dt{font-size:13px;color:var(--muted);flex-shrink:0}
.ac-list dd{
  margin:0;font-size:13.5px;color:var(--text);text-align:right;line-height:1.6;
}
.ac-foot{
  display:flex;gap:10px;align-items:flex-start;
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.7;color:var(--muted);
}
.dot-live{
  flex-shrink:0;width:6px;height:6px;border-radius:50%;
  margin-top:8px;background:var(--teal);
  box-shadow:0 0 0 4px rgba(34,211,197,.14);
}

/* ---------- 业务领域 ---------- */
.biz-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.biz-card{
  position:relative;
  padding:34px 30px 30px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(175deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  overflow:hidden;
  transition:transform .5s var(--ease),border-color .4s,background .4s;
}
.biz-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--acc,#2E8BFF),transparent);
  opacity:.55;transition:opacity .4s;
}
.biz-card::before{
  content:"";position:absolute;
  width:260px;height:260px;right:-90px;top:-110px;border-radius:50%;
  background:radial-gradient(circle,var(--acc,#2E8BFF),transparent 68%);
  opacity:.13;filter:blur(30px);
  transition:opacity .5s;
}
.biz-card[data-accent="blue"]{--acc:#2E8BFF}
.biz-card[data-accent="amber"]{--acc:#F5A623}
.biz-card[data-accent="green"]{--acc:#4ECB71}

@media (hover:hover){
  .biz-card:hover{transform:translateY(-6px);border-color:var(--line-2);background:linear-gradient(175deg,rgba(255,255,255,.07),rgba(255,255,255,.02))}
  .biz-card:hover::before{opacity:.26}
  .biz-card:hover::after{opacity:1}
}

.biz-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px}
.biz-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--acc) 13%,transparent);
  border:1px solid color-mix(in srgb,var(--acc) 26%,transparent);
  color:var(--acc);
}
.biz-icon svg{width:24px;height:24px}
.biz-no{
  font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.24);
  font-variant-numeric:tabular-nums;
}

.biz-card h3{font-size:19.5px;line-height:1.5;margin-bottom:14px}
.biz-desc{font-size:14px;line-height:1.85;color:var(--text-2);min-height:78px}

.biz-list{
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);
  display:grid;gap:11px;
}
.biz-list li{
  position:relative;padding-left:20px;
  font-size:13.5px;line-height:1.68;color:var(--muted);
}
.biz-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:9px;height:9px;
  border-left:1.5px solid color-mix(in srgb,var(--acc) 85%,transparent);
  border-bottom:1.5px solid color-mix(in srgb,var(--acc) 85%,transparent);
  transform:rotate(-45deg);
}
.biz-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:24px}
.biz-tags span{
  font-size:11.5px;padding:4px 10px;border-radius:6px;
  color:var(--text-2);background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}

/* ---------- 品牌合作 ---------- */
.brand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.brand-card{
  padding:30px 28px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  transition:border-color .4s,transform .5s var(--ease),background .4s;
}
@media (hover:hover){
  .brand-card:hover{border-color:rgba(107,182,255,.35);transform:translateY(-4px)}
}
.bc-logo{
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.bc-name{
  font-size:24px;font-weight:600;letter-spacing:.04em;
  background:linear-gradient(180deg,#fff,#A9C2DF);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.bc-logo em{
  font-style:normal;font-size:10.5px;letter-spacing:.16em;
  color:rgba(255,255,255,.3);text-transform:uppercase;
}
.bc-role{
  display:inline-block;margin:18px 0 10px;
  font-size:11.5px;letter-spacing:.1em;color:var(--teal);
}
.bc-desc{font-size:14px;line-height:1.85;color:var(--muted)}
.bc-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}
.bc-tags li{
  font-size:11.5px;padding:4px 10px;border-radius:999px;
  color:var(--text-2);border:1px solid var(--line);
}
.brand-note{
  margin-top:24px;font-size:12px;color:rgba(255,255,255,.3);
}

/* ---------- 合作模式 ---------- */
.coop-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.coop-item{
  position:relative;
  padding:38px 40px 38px 0;
  border-top:1px solid var(--line);
  transition:background .4s;
}
.coop-item:nth-child(odd){padding-right:60px;border-right:1px solid var(--line)}
.coop-item:nth-child(even){padding-left:60px}
.coop-item:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
.coop-no{
  display:block;font-size:12px;letter-spacing:.14em;
  color:rgba(107,182,255,.6);margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.coop-item h3{font-size:20px;margin-bottom:12px;transition:color .3s}
.coop-item p{font-size:14.5px;line-height:1.9;color:var(--muted);max-width:420px}
@media (hover:hover){
  .coop-item:hover h3{color:var(--blue-soft)}
}

/* ---------- 为什么 ---------- */
.why-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
}
.why-item{
  background:var(--ink);
  padding:34px 28px;
  transition:background .4s;
}
.why-item h4{
  font-size:17px;margin-bottom:12px;position:relative;padding-left:18px;
}
.why-item h4::before{
  content:"";position:absolute;left:0;top:.5em;
  width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  transform:rotate(45deg);
}
.why-item p{font-size:13.5px;line-height:1.85;color:var(--muted)}
@media (hover:hover){.why-item:hover{background:var(--ink-3)}}

/* ---------- 联系 ---------- */
.contact{padding-bottom:clamp(76px,9vw,120px)}
.contact-panel{
  position:relative;
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:clamp(36px,5vw,72px);
  padding:clamp(36px,5vw,64px);
  border-radius:28px;
  border:1px solid rgba(107,182,255,.18);
  background:
    radial-gradient(90% 100% at 0% 0%,rgba(46,139,255,.16),transparent 55%),
    radial-gradient(80% 100% at 100% 100%,rgba(34,211,197,.1),transparent 55%),
    linear-gradient(160deg,#0B1526,#070D18 70%);
  overflow:hidden;
}
.contact-panel::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(80% 70% at 20% 10%,#000,transparent 70%);
  -webkit-mask-image:radial-gradient(80% 70% at 20% 10%,#000,transparent 70%);
  pointer-events:none;
}
.contact-left,.contact-right{position:relative;z-index:1}
.contact-lead{
  margin-top:20px;font-size:14.5px;line-height:1.9;
  color:rgba(255,255,255,.6);max-width:420px;
}
.contact-list{margin-top:36px;display:grid;gap:26px}
.contact-list li{display:flex;gap:16px;align-items:flex-start}
.ci{
  flex-shrink:0;width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-2);
  color:var(--blue-soft);
}
.ci svg{width:19px;height:19px}
.contact-list em{
  display:block;font-style:normal;font-size:11.5px;
  letter-spacing:.12em;color:rgba(255,255,255,.4);margin-bottom:6px;
}
.contact-list p{font-size:14.5px;line-height:1.8;color:var(--text)}
.tel-link{
  font-size:24px;font-weight:600;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(100deg,#fff,#8CCBFF);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  transition:opacity .3s;
}
.tel-link:hover{opacity:.8}
.copy-btn{
  margin-top:8px;padding:0;background:none;border:0;cursor:pointer;
  font-size:11.5px;letter-spacing:.06em;color:rgba(255,255,255,.35);
  border-bottom:1px dashed rgba(255,255,255,.2);
  transition:color .3s,border-color .3s;
}
.copy-btn:hover{color:var(--teal);border-color:rgba(34,211,197,.6)}

/* 表单 */
.contact-form{
  padding:30px 28px;
  border-radius:18px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.contact-form h3{font-size:18px;margin-bottom:6px}
.cf-sub{font-size:12.5px;color:rgba(255,255,255,.45);margin-bottom:22px}
.field{margin-bottom:14px}
.field label{
  display:block;font-size:12px;letter-spacing:.08em;
  color:rgba(255,255,255,.45);margin-bottom:7px;
}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;
  font-size:14px;font-family:inherit;color:var(--text);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-2);
  border-radius:10px;
  outline:none;
  transition:border-color .25s,background .25s,box-shadow .25s;
}
.field textarea{resize:vertical;min-height:76px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.22)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(46,139,255,.6);
  background:rgba(46,139,255,.06);
  box-shadow:0 0 0 3px rgba(46,139,255,.12);
}
.field select{appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238496AF' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;
  padding-right:40px;
}
.field select option{background:#0D1626;color:var(--text)}
.contact-form .btn{margin-top:8px;height:48px}
.form-tip{
  margin-top:12px;font-size:11.5px;line-height:1.7;
  color:rgba(255,255,255,.3);text-align:center;
}
.form-msg{
  margin-top:10px;font-size:12.5px;text-align:center;
  color:var(--teal);min-height:18px;
  opacity:0;transition:opacity .3s;
}
.form-msg.show{opacity:1}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:#040810;
  padding-top:56px;
}
.footer-inner{
  display:grid;grid-template-columns:1.3fr 1fr 1.1fr;
  gap:40px;padding-bottom:44px;
}
.f-brand p{
  margin-top:18px;font-size:13px;line-height:1.9;color:var(--muted);
}
.f-nav{display:flex;flex-wrap:wrap;gap:10px 26px;align-content:start;padding-top:8px}
.f-nav a{font-size:13.5px;color:var(--text-2);transition:color .25s}
.f-nav a:hover{color:var(--teal)}
.f-contact p{font-size:13px;line-height:1.85;color:var(--muted);margin-bottom:12px}
.f-tel{
  font-size:20px;font-weight:600;letter-spacing:.02em;
  color:#fff;font-variant-numeric:tabular-nums;
}
.f-tel:hover{color:var(--blue-soft)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.06);
  font-size:12px;color:rgba(255,255,255,.3);letter-spacing:.04em;
}
.footer-bottom .beian{
  color:rgba(255,255,255,.3);
  transition:color .25s;
}
.footer-bottom .beian:hover{color:var(--teal)}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:90;
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(13,22,38,.85);
  border:1px solid var(--line-2);
  color:var(--text);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .35s,visibility .35s,transform .35s var(--ease),border-color .3s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:rgba(107,182,255,.5);color:var(--blue-soft)}
.to-top svg{width:18px;height:18px}

/* ---------- 滚动揭示 ---------- */
.reveal{
  opacity:0;transform:translateY(22px);
  transition:opacity .8s var(--ease),transform .8s var(--ease);
}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:56px}
  .hero-visual{display:none}
  .about-grid{grid-template-columns:1fr}
  .about-card{position:static}
  .biz-grid{grid-template-columns:1fr;gap:16px}
  .biz-desc{min-height:0}
  .brand-grid{grid-template-columns:1fr;gap:16px}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .contact-panel{grid-template-columns:1fr}
  .section-head{grid-template-columns:1fr;gap:22px}
}

@media (max-width:860px){
  .container{width:calc(100% - 40px)}
  .site-header{background:rgba(6,11,20,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
  .menu-toggle{display:block}
  .nav{
    position:fixed;inset:76px 0 auto 0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:16px 20px 26px;
    background:rgba(6,11,20,.98);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .3s,transform .35s var(--ease),visibility .3s;
    max-height:calc(100vh - 76px);overflow-y:auto;
  }
  .nav.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav a{padding:14px 8px;font-size:15.5px;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav a.active::after{display:none}
  .nav .nav-tel{margin:16px 0 0;justify-content:center;border-bottom:0;padding:13px 18px}
  .hero{padding-top:118px}
  .hero h1{font-size:clamp(2.1rem,7.6vw,2.9rem)}
  .lead{font-size:15px}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px 0;margin-top:56px;padding:26px 0}
  .stat{padding:0 20px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .coop-grid{grid-template-columns:1fr}
  .coop-item{padding:30px 0!important;border-right:0!important;border-bottom:1px solid var(--line)}
  .why-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:30px}
  .contact-panel{padding:28px 22px;border-radius:20px}
  .contact-form{padding:24px 20px}
  .to-top{right:16px;bottom:16px;width:42px;height:42px}
}

@media (max-width:520px){
  .brand-text em{display:none}
  .hero-actions .btn{flex:1}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:0 14px}
  .section-eyebrow{font-size:11.5px}
  .footer-bottom{flex-direction:column;gap:6px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   多页面扩展部分（v2）
   ============================================================ */

/* ---------- 导航下拉 ---------- */
.nav-item{position:relative;display:flex}
.nav-item > a{display:inline-flex;align-items:center;gap:6px}
.caret{
  width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:5px solid currentColor;opacity:.55;margin-top:2px;
}
.sub{
  position:absolute;top:calc(100% + 6px);left:0;min-width:250px;
  padding:8px;border-radius:14px;
  background:rgba(10,17,32,.98);
  border:1px solid var(--line-2);
  box-shadow:0 26px 60px -22px rgba(0,0,0,.95);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .25s,visibility .25s,transform .3s var(--ease);
  z-index:10;
}
.nav-item.has-sub::after{content:"";position:absolute;left:0;right:0;top:100%;height:14px}
.nav-item.has-sub:hover .sub,.nav-item.has-sub:focus-within .sub{
  opacity:1;visibility:visible;transform:translateY(0);
}
.sub a{
  display:block;padding:10px 14px;border-radius:9px;
  font-size:13.5px;color:var(--text-2);white-space:nowrap;
}
.sub a:hover{background:rgba(46,139,255,.12);color:#fff}
.sub a::after{display:none}

/* ---------- 首页：业务卡内链 / 资讯 ---------- */
.biz-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:13.5px;color:var(--blue-soft);
}
.biz-link span{transition:transform .3s var(--ease)}
.biz-link:hover span{transform:translateX(4px)}

.home-news{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.hn-item{
  display:block;padding:28px 24px 24px;border-radius:16px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  transition:border-color .4s,transform .5s var(--ease);
}
.hn-item time{font-size:11.5px;letter-spacing:.06em;color:rgba(255,255,255,.32)}
.hn-item h3{font-size:16.5px;line-height:1.6;margin:10px 0 12px;font-weight:500}
.hn-item p{font-size:13.5px;line-height:1.8;color:var(--muted);margin-bottom:16px}
.hn-more{font-size:12.5px;color:var(--teal)}
@media (hover:hover){
  .hn-item:hover{border-color:rgba(107,182,255,.35);transform:translateY(-4px)}
  .hn-item:hover h3{color:var(--blue-soft)}
}
.news-all{margin-top:30px}

/* ---------- 内页骨架 ---------- */
.subpage .site-header{
  background:rgba(6,11,20,.88);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line);
}

.page-hero{
  position:relative;overflow:hidden;
  padding:132px 0 56px;
  background:
    radial-gradient(90% 120% at 80% 0%,rgba(24,58,120,.55),transparent 60%),
    linear-gradient(180deg,#070D18,#060B14);
  border-bottom:1px solid var(--line);
}
.page-hero .hero-grid{opacity:.5}
.page-hero .container{position:relative;z-index:2}

.breadcrumb{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.38);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.5);transition:color .25s}
.breadcrumb a:hover{color:var(--teal)}
.breadcrumb span{color:rgba(255,255,255,.6)}

.page-hero h1{
  font-size:clamp(1.85rem,3.6vw,2.9rem);
  line-height:1.3;letter-spacing:-.02em;max-width:900px;
}
.page-hero-sub{
  margin-top:16px;max-width:720px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}

.page-section{padding:56px 0 96px}
.page-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:clamp(36px,4.5vw,68px);align-items:start;
}

/* ---------- 正文排版 ---------- */
.prose{font-size:15.5px;line-height:1.95;color:var(--text-2)}
.prose > p{margin-bottom:18px}
.prose .lead-p{
  font-size:16.5px;line-height:1.95;color:var(--text);
  padding-left:18px;border-left:2px solid var(--teal);margin-bottom:26px;
}
.prose h2{
  font-size:21px;line-height:1.5;color:#fff;
  margin:46px 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.prose h3{font-size:16.5px;color:#fff;margin:26px 0 8px}
.prose strong{color:#fff;font-weight:500}
.prose a{color:var(--blue-soft)}
.prose a:hover{text-decoration:underline;text-underline-offset:3px}

.check-list{display:grid;gap:12px;margin:20px 0 26px;padding:0;list-style:none}
.check-list li{
  position:relative;padding-left:22px;font-size:14.5px;line-height:1.85;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:9px;height:9px;border-left:1.5px solid var(--blue-soft);
  border-bottom:1.5px solid var(--blue-soft);transform:rotate(-45deg);
}

.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:22px 0 26px}
.info-item{
  padding:20px 20px 18px;border-radius:14px;
  border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
}
.info-item h3{font-size:15px;margin:0 0 8px;color:#fff}
.info-item p{margin:0;font-size:13.5px;line-height:1.8;color:var(--muted)}

.info-table{width:100%;border-collapse:collapse;margin:20px 0 26px;font-size:14px}
.info-table th{
  width:110px;text-align:left;font-weight:400;color:var(--muted);
  padding:13px 16px 13px 0;border-top:1px solid var(--line);vertical-align:top;
}
.info-table td{padding:13px 0;border-top:1px solid var(--line);color:var(--text)}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:1px solid var(--line)}
.info-table a{color:var(--blue-soft)}

.step-list{counter-reset:step;display:grid;gap:12px;margin:22px 0 26px;padding:0;list-style:none}
.step-list li{
  counter-increment:step;position:relative;
  padding:16px 20px 16px 58px;border-radius:14px;
  border:1px solid var(--line);background:rgba(255,255,255,.022);
  font-size:14px;line-height:1.8;color:var(--muted);
}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:18px;top:16px;font-size:12px;
  letter-spacing:.06em;color:var(--blue-soft);font-variant-numeric:tabular-nums;
}
.step-list li span{display:block;color:#fff;font-size:14.5px;font-weight:500;margin-bottom:3px}

.faq{margin:20px 0 26px;border-top:1px solid var(--line)}
.faq-item{padding:20px 0;border-bottom:1px solid var(--line)}
.faq-item h3{font-size:15.5px;margin:0 0 8px;color:#fff;padding-left:16px;position:relative}
.faq-item h3::before{
  content:"Q";position:absolute;left:0;top:0;font-size:12px;
  color:var(--teal);letter-spacing:0;
}
.faq-item p{margin:0;font-size:14px;line-height:1.9;color:var(--muted)}

.biz-rows{display:grid;gap:16px;margin:26px 0}
.biz-row{
  display:grid;grid-template-columns:48px 1fr;gap:16px;
  padding:26px 28px;border-radius:16px;
  border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  transition:border-color .4s,transform .5s var(--ease);
}
.biz-row:hover{border-color:rgba(107,182,255,.35);transform:translateX(4px)}
.br-no{font-size:13px;letter-spacing:.1em;color:var(--blue-soft);padding-top:5px;font-variant-numeric:tabular-nums}
.biz-row h2{margin:0 0 8px;padding:0;border:0;font-size:20px}
.biz-row p{margin:0 0 10px;font-size:14px;color:var(--muted);line-height:1.85}
.br-more{font-size:13px;color:var(--teal)}

.brand-rows{display:grid;gap:16px;margin:26px 0}
.brand-row{
  padding:26px 28px;border-radius:16px;border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
}
.br-head{display:flex;align-items:baseline;gap:10px;margin-bottom:10px}
.br-head h2{margin:0;padding:0;border:0;font-size:22px}
.br-head em{
  font-style:normal;font-size:10.5px;letter-spacing:.16em;
  color:rgba(255,255,255,.3);text-transform:uppercase;
}
.brand-row p{margin:0;font-size:14px;line-height:1.9;color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0 0;padding:0;list-style:none}
.tag-row li{
  font-size:11.5px;padding:4px 10px;border-radius:6px;
  color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
}

.art-list{margin:8px 0 0}
.art-item{
  display:block;padding:26px 0;border-bottom:1px solid var(--line);
  transition:transform .4s var(--ease);
}
.art-item:first-child{border-top:1px solid var(--line)}
.art-item time{font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.32)}
.art-item h2{font-size:19px;margin:8px 0 10px;padding:0;border:0;line-height:1.55}
.art-item p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 10px}
.art-more{font-size:12.5px;color:var(--teal)}
@media (hover:hover){
  .art-item:hover{transform:translateX(4px)}
  .art-item:hover h2{color:var(--blue-soft)}
}

.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:26px 0 34px}
.cg-item{padding:22px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.025)}
.cg-label{font-size:11.5px;letter-spacing:.12em;color:rgba(255,255,255,.4);margin-bottom:8px}
.cg-tel{
  display:block;font-size:22px;font-weight:600;color:#fff;
  margin-bottom:4px;font-variant-numeric:tabular-nums;
}
.cg-tel:hover{color:var(--blue-soft)}
.cg-text{font-size:13.5px;line-height:1.8;color:var(--text-2);margin:0}

.inline-form{
  margin:20px 0 10px;max-width:640px;padding:26px;
  border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.022);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

.note{
  font-size:12.5px;line-height:1.8;color:rgba(255,255,255,.36);
  border-left:2px solid rgba(46,139,255,.4);padding-left:12px;margin:22px 0;
}
.link-row{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:36px}
.text-link{
  font-size:14px;color:var(--blue-soft);
  border-bottom:1px solid rgba(46,139,255,.3);padding-bottom:2px;
  transition:color .25s,border-color .25s;
}
.text-link:hover{color:#fff;border-color:rgba(255,255,255,.5)}

/* ---------- 侧栏 ---------- */
.page-side{position:sticky;top:96px;display:grid;gap:16px}
.side-card{
  padding:22px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.028);
}
.side-contact{
  border-color:rgba(46,139,255,.26);
  background:linear-gradient(160deg,rgba(46,139,255,.13),rgba(255,255,255,.02));
}
.sc-label{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.42);margin-bottom:10px}
.sc-tel{
  display:block;font-size:20px;font-weight:600;color:#fff;
  margin-bottom:10px;font-variant-numeric:tabular-nums;
}
.sc-tel:hover{color:var(--blue-soft)}
.sc-addr{font-size:12.5px;line-height:1.75;color:var(--muted);margin-bottom:16px}
.side-links li a{
  display:block;padding:10px 0;font-size:13.5px;color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.05);transition:color .25s,padding-left .25s;
}
.side-links li a:hover{color:var(--teal);padding-left:4px}
.side-brands li{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:8px 0;font-size:13px;border-bottom:1px solid rgba(255,255,255,.05);
}
.side-brands li strong{font-weight:500;color:var(--text)}
.side-brands li span{font-size:11.5px;color:rgba(255,255,255,.35)}
.side-more{display:inline-block;margin-top:14px;font-size:12.5px;color:var(--teal)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);
  padding:52px 0;
}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:23px;margin-bottom:8px}
.cta-band p{font-size:14px;color:var(--muted)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 响应式（v2） ---------- */
@media (max-width:1080px){
  .page-layout{grid-template-columns:1fr;gap:40px}
  .page-side{position:static;grid-template-columns:1fr 1fr;display:grid}
  .home-news{grid-template-columns:1fr}
}

@media (max-width:860px){
  .nav-item{width:100%;display:block}
  .nav-item > a{width:100%}
  .caret{display:none}
  .sub{
    position:static;opacity:1;visibility:visible;transform:none;
    display:block;min-width:0;padding:0 0 4px 14px;
    background:transparent;border:0;box-shadow:none;
    -webkit-backdrop-filter:none;backdrop-filter:none;
  }
  .sub a{padding:10px 8px;font-size:14px;color:var(--muted);border-bottom:1px solid rgba(255,255,255,.04)}
  .nav-item.has-sub::after{display:none}
  .page-hero{padding:112px 0 44px}
  .page-section{padding:44px 0 72px}
  .page-side{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .home-news{grid-template-columns:1fr}
}

@media (max-width:520px){
  .form-row{grid-template-columns:1fr}
  .info-table th{width:88px;font-size:13px}
  .info-table td{font-size:13.5px}
  .biz-row{grid-template-columns:1fr;gap:6px;padding:22px}
  .br-no{padding-top:0}
  .prose h2{font-size:19px;margin-top:38px}
  .inline-form{padding:20px}
}

/* ---------- 404 ---------- */
.nf-code{
  font-size:clamp(4rem,10vw,7rem);line-height:1;font-weight:600;
  letter-spacing:.04em;margin-bottom:18px;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#8CCBFF,#2E8BFF 55%,#22D3C5);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.nf-links a.info-item{transition:border-color .35s,transform .4s var(--ease)}
@media (hover:hover){
  .nf-links a.info-item:hover{border-color:rgba(107,182,255,.4);transform:translateY(-3px)}
}