/* ==========================================================================
   车云智管车辆租赁管理系统 · 官网样式
   主题：深空蓝科技感 / 响应式 / 移动优先兼容
   ========================================================================== */

:root{
  --bg:#070b16;
  --bg-2:#0a1020;
  --bg-3:#0d1428;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(130,175,255,.14);
  --line-2:rgba(130,175,255,.28);
  --text:#e9efff;
  --text-2:#a9b7d6;
  --muted:#8494b8;
  --brand:#2f7dff;
  --brand-2:#22d3ee;
  --brand-3:#6d9dff;
  --warn:#f2b23a;
  --ok:#39d39b;
  --grad:linear-gradient(120deg,#2f7dff 0%,#22d3ee 100%);
  --radius:16px;
  --radius-lg:22px;
  --shadow:0 18px 50px rgba(3,8,24,.55);
  --maxw:1240px;
  --header-h:66px;
  --ease:cubic-bezier(.22,.7,.28,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em}
p{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--narrow{max-width:900px}

/* ---------------- 顶部工具条 ---------------- */
.topbar{
  background:linear-gradient(90deg,#0a1226,#0d1a33 60%,#0a1226);
  border-bottom:1px solid rgba(130,175,255,.1);
  font-size:13px;color:var(--muted);
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar__right{display:flex;align-items:center;gap:14px}
.topbar__link{color:var(--brand-3)}
.topbar__link:hover{color:#fff}
.topbar__btn{
  padding:3px 12px;border-radius:99px;border:1px solid var(--line-2);
  color:var(--text);font-size:12px;transition:.25s var(--ease);
}
.topbar__btn:hover{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------------- 头部导航 ---------------- */
.header{
  position:sticky;top:0;z-index:60;
  height:var(--header-h);
  background:rgba(7,11,22,.72);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid transparent;
  transition:.3s var(--ease);
}
.header.is-stuck{
  background:rgba(7,11,22,.92);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:20px}

.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{
  width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(47,125,255,.35);
}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__text b{font-size:17px;letter-spacing:.06em}
.logo__text i{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.04em}

.nav{display:flex;align-items:center;gap:6px}
.nav__list{display:flex;align-items:center;gap:2px}
.nav__link{
  position:relative;display:block;padding:8px 13px;border-radius:9px;
  font-size:14.5px;color:var(--text-2);transition:.25s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:center;transition:.28s var(--ease);
}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:#fff}
.nav__cta{margin-left:8px}

.menu-btn{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;
  background:var(--panel);cursor:pointer;padding:11px 10px;
}
.menu-btn span{display:block;height:2px;border-radius:2px;background:var(--text);transition:.28s var(--ease)}
.menu-btn span+span{margin-top:5px}
.menu-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.is-open span:nth-child(2){opacity:0}
.menu-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- 通用组件 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:99px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.28s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#04122c;box-shadow:0 10px 26px rgba(47,125,255,.32)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(47,125,255,.45);color:#04122c}
.btn--ghost{border-color:var(--line-2);color:var(--text);background:rgba(255,255,255,.03)}
.btn--ghost:hover{border-color:var(--brand-2);color:#fff;background:rgba(34,211,238,.1)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--block{width:100%}

.panel{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:99px;font-size:13px;color:var(--brand-3);
  background:rgba(47,125,255,.1);border:1px solid rgba(47,125,255,.28);margin-bottom:22px;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(34,211,238,.18)}

/* ---------------- HERO ---------------- */
.hero{position:relative;padding:76px 0 40px;overflow:hidden}
.hero__bg{position:absolute;inset:0;pointer-events:none}
.grid-mesh{
  position:absolute;inset:-1px;
  background-image:linear-gradient(rgba(120,170,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,170,255,.07) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 72%);
}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.glow--1{width:520px;height:520px;background:#1c4fd8;top:-160px;left:-120px}
.glow--2{width:460px;height:460px;background:#0f8f9e;top:-60px;right:-140px}
.scan-line{
  position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent);
  animation:scan 7s linear infinite;
}
@keyframes scan{0%{top:6%;opacity:0}10%{opacity:1}90%{opacity:1}100%{top:92%;opacity:0}}

.hero__inner{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;padding-bottom:56px;
}
.hero__copy h1{font-size:clamp(30px,4.4vw,52px);letter-spacing:.01em}
.hero__copy h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__desc{margin-top:20px;font-size:16.5px;color:var(--text-2);max-width:620px}
.hero__desc strong{color:#fff;font-weight:600}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.hero__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero__points li{
  font-size:13.5px;color:var(--text-2);padding:6px 14px;border-radius:99px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}

/* HERO 看板 */
.hero__visual{position:relative}
.dash{padding:0;overflow:hidden}
.dash__bar{
  display:flex;align-items:center;gap:10px;padding:12px 16px;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.03);
}
.dash__dots{display:flex;gap:6px}
.dash__dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.18)}
.dash__dots i:first-child{background:#ff6b6b}.dash__dots i:nth-child(2){background:#f2b23a}.dash__dots i:nth-child(3){background:#39d39b}
.dash__title{font-size:13.5px;color:var(--text-2);flex:1}
.dash__tag{
  font-size:11.5px;padding:2px 10px;border-radius:99px;color:var(--ok);
  background:rgba(57,211,155,.12);border:1px solid rgba(57,211,155,.3);
}
.dash__body{padding:18px}
.dash__cards{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mcard{
  padding:12px 10px;border-radius:12px;text-align:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.mcard span{display:block;font-size:11.5px;color:var(--muted)}
.mcard b{display:inline-block;font-size:22px;line-height:1.3;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mcard i{font-style:normal;font-size:11px;color:var(--muted);margin-left:2px}
.dash__chart{margin-top:16px;height:110px;border-radius:12px;background:rgba(47,125,255,.05);border:1px solid var(--line);overflow:hidden}
.dash__chart svg{width:100%;height:100%}
.dash__list{margin-top:14px;display:grid;gap:8px}
.drow{
  display:flex;align-items:center;gap:10px;font-size:13px;
  padding:9px 12px;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.drow__k{font-weight:600;letter-spacing:.02em;min-width:88px}
.drow__s{font-size:11.5px;padding:2px 9px;border-radius:99px;background:rgba(255,255,255,.07);color:var(--text-2)}
.drow__s--ok{color:var(--ok);background:rgba(57,211,155,.12)}
.drow__s--warn{color:var(--warn);background:rgba(242,178,58,.14)}
.drow__v{margin-left:auto;color:var(--muted);font-size:12.5px}

.float{
  position:absolute;display:flex;align-items:center;gap:10px;
  padding:11px 15px;border-radius:14px;background:rgba(13,20,40,.92);
  border:1px solid var(--line-2);box-shadow:0 14px 34px rgba(0,0,0,.45);
  animation:floaty 5s ease-in-out infinite;
}
.float__ico{font-size:20px}
.float b{display:block;font-size:13.5px}
.float i{font-style:normal;font-size:11.5px;color:var(--muted)}
.float--1{left:-42px;bottom:34px}
.float--2{right:-30px;top:26px;animation-delay:-2.5s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* 数据条 */
.statbar{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(120deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
}
.statbar li{padding:22px 16px;text-align:center;border-right:1px solid var(--line)}
.statbar li:last-child{border-right:0}
.statbar b{display:block;font-size:28px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.statbar span{font-size:13px;color:var(--muted)}

/* ---------------- 区块通用 ---------------- */
.section{padding:92px 0;position:relative}
.section--alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.section--alt::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(130,175,255,.35),transparent);
}

.shead{max-width:760px;margin:0 auto 54px;text-align:center}
.shead__tag{
  display:inline-block;font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brand-3);margin-bottom:14px;
}
.shead h2{font-size:clamp(24px,3vw,36px)}
.shead p{margin-top:14px;color:var(--text-2);font-size:16px}

.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

/* 功能卡片 */
.card{
  position:relative;padding:30px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);transition:.35s var(--ease);overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(47,125,255,.16),transparent 60%);
  opacity:0;transition:opacity .35s var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:0 22px 48px rgba(3,8,24,.5)}
.card:hover::after{opacity:1}
.card__ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:rgba(47,125,255,.12);border:1px solid rgba(47,125,255,.3);color:var(--brand-3);margin-bottom:18px;
}
.card__ico svg{width:26px;height:26px}
.card h3{font-size:19px;margin-bottom:10px}
.card>p{color:var(--text-2);font-size:14.8px}
.card__list{margin-top:16px;display:grid;gap:8px;border-top:1px dashed var(--line);padding-top:16px}
.card__list li{position:relative;padding-left:20px;font-size:13.8px;color:var(--muted)}
.card__list li::before{
  content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:2px;
  background:var(--grad);transform:rotate(45deg);
}

/* 流程 */
.flow{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step;
}
.flow__item{
  position:relative;padding:30px 26px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.035);border:1px solid var(--line);transition:.3s var(--ease);
}
.flow__item:hover{border-color:var(--line-2);background:rgba(255,255,255,.06);transform:translateY(-4px)}
.flow__num{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;
  font-size:16px;font-weight:700;color:#04122c;background:var(--grad);margin-bottom:16px;
}
.flow__item h3{font-size:18px;margin-bottom:8px}
.flow__item p{color:var(--text-2);font-size:14.5px}

/* 左右分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--rev .split__visual{order:2}
.split__copy h2{font-size:clamp(23px,2.7vw,33px);margin:12px 0 16px}
.split__copy>p{color:var(--text-2);font-size:16px}
.checklist{margin:26px 0;display:grid;gap:12px}
.checklist li{
  position:relative;padding-left:30px;font-size:15px;color:var(--text-2);
}
.checklist li::before{
  content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:50%;
  background:rgba(47,125,255,.15);border:1px solid rgba(47,125,255,.4);
}
.checklist li::after{
  content:"";position:absolute;left:6px;top:12px;width:6px;height:3px;
  border-left:2px solid var(--brand-2);border-bottom:2px solid var(--brand-2);transform:rotate(-45deg);
}
.checklist b{color:#fff;margin-right:6px}
.tip{margin-top:14px;font-size:12.5px;color:var(--muted)}

/* 地图 */
.map{overflow:hidden}
.map__head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:13.5px;color:var(--text-2);
}
.map__legend{display:flex;align-items:center;gap:12px;font-size:11.5px;color:var(--muted)}
.lg{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:4px}
.lg--ok{background:#2f7dff}.lg--warn{background:var(--warn)}.lg--idle{background:#7d8aa8}
.map__body{position:relative;background-color:#0b1224;
  background-image:
    radial-gradient(circle at 30% 20%,rgba(47,125,255,.12),transparent 55%),
    linear-gradient(160deg,#0a1224,#0b1224);
}
.map__body svg{display:block;width:100%;height:300px}
.map__tip{
  position:absolute;transform:translate(-50%,-140%);
  padding:8px 12px;border-radius:10px;background:rgba(10,16,32,.94);
  border:1px solid var(--line-2);font-size:11.5px;white-space:nowrap;
  box-shadow:0 10px 26px rgba(0,0,0,.45);
}
.map__tip b{display:block;font-size:12.5px}
.map__tip span{color:var(--muted)}

/* 手机 */
.phone{
  width:290px;max-width:100%;margin:0 auto;padding:12px;border-radius:38px;
  background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.03));
  border:1px solid var(--line-2);box-shadow:0 30px 60px rgba(0,0,0,.5);
}
.phone__screen{
  border-radius:28px;overflow:hidden;background:linear-gradient(180deg,#0a1020,#070b16);
  border:1px solid var(--line);
}
.app__bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;font-size:12.5px;color:var(--text-2);
  background:rgba(47,125,255,.12);border-bottom:1px solid var(--line);
}
.app__dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(57,211,155,.2)}
.app__cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px}
.app__card{
  padding:14px;border-radius:12px;text-align:center;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
}
.app__card b{display:block;font-size:20px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.app__card span{font-size:11.5px;color:var(--muted)}
.app__sec{padding:0 14px 14px}
.app__sec-t{font-size:12px;color:var(--muted);margin-bottom:10px}
.app__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.app__g{
  text-align:center;padding:10px 4px;border-radius:11px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.app__g i{font-style:normal;font-size:17px;display:block;margin-bottom:3px}
.app__g span{font-size:10.5px;color:var(--text-2)}
.app__todo{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;margin-bottom:8px;
  background:rgba(255,255,255,.035);border:1px solid var(--line);font-size:11.8px;color:var(--text-2);
}
.app__todo i{font-style:normal;font-size:11px;color:var(--brand-3);border:1px solid var(--line-2);border-radius:99px;padding:1px 9px}

/* 方案 */
.plan{
  position:relative;padding:30px 26px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.035);border:1px solid var(--line);transition:.3s var(--ease);
}
.plan:hover{transform:translateY(-5px);border-color:var(--line-2);background:rgba(255,255,255,.06)}
.plan--hot{border-color:rgba(47,125,255,.45);background:linear-gradient(160deg,rgba(47,125,255,.14),rgba(255,255,255,.03))}
.plan__flag{
  position:absolute;top:-11px;left:26px;font-size:11.5px;padding:3px 12px;border-radius:99px;
  background:var(--grad);color:#04122c;font-weight:600;
}
.plan h3{font-size:19px}
.plan__sub{font-size:13.5px;color:var(--brand-3);margin:6px 0 16px}
.plan ul{display:grid;gap:9px;border-top:1px dashed var(--line);padding-top:14px}
.plan li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.plan li::before{
  content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--brand-2);
}

/* 场景 */
.case{
  padding:26px 24px;border-radius:var(--radius);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  border-left:3px solid transparent;transition:.3s var(--ease);
}
.case:hover{border-left-color:var(--brand);background:rgba(255,255,255,.06);transform:translateX(4px)}
.case h3{font-size:17px;margin-bottom:8px}
.case p{font-size:14.5px;color:var(--text-2)}

/* 定制开发服务 */
.custom{display:grid;gap:26px}
.custom__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.custom__item{
  display:flex;gap:15px;padding:22px 20px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--line);transition:.32s var(--ease);
}
.custom__item:hover{
  transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 18px 40px rgba(3,8,24,.45);
}
.custom__ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(47,125,255,.12);border:1px solid rgba(47,125,255,.3);color:var(--brand-3);
}
.custom__ico svg{width:23px;height:23px}
.custom__item h3{font-size:16.5px;margin-bottom:6px}
.custom__item p{font-size:13.8px;color:var(--muted);line-height:1.7}

.custom__side{padding:32px 30px;text-align:center}
.custom__sideTitle{font-size:19px}
.csteps{
  list-style:none;margin:26px 0 28px;padding:0;
  display:grid;grid-template-columns:repeat(5,1fr);gap:22px;text-align:left;
}
.csteps li{position:relative;padding-top:32px}
.csteps li::before{
  content:"";position:absolute;left:4px;right:0;top:4px;height:1px;
  background:linear-gradient(90deg,var(--line-2),rgba(130,175,255,.08));
}
.csteps li:nth-child(5n)::before{display:none}
.csteps__num{
  position:absolute;left:0;top:0;width:9px;height:9px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 4px rgba(47,125,255,.15);
}
.csteps b{display:block;font-size:15px;font-weight:600;line-height:1.5}
.csteps i{display:block;font-style:normal;font-size:13.2px;color:var(--muted);line-height:1.65;margin-top:4px}
.custom__actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.custom__sideNote{margin:16px auto 0;max-width:640px;font-size:12.8px;color:var(--muted);line-height:1.75}

/* 联系我们 */
.section--cta{
  background:
    radial-gradient(900px circle at 20% 0%,rgba(47,125,255,.14),transparent 60%),
    linear-gradient(180deg,var(--bg),var(--bg-3));
  border-top:1px solid var(--line);
}
.contact{
  display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;
  max-width:940px;margin:0 auto;
}
.contact__copy{text-align:left}
.contact__copy .shead__tag{margin-bottom:14px}
.contact__copy h2{font-size:clamp(23px,2.7vw,33px);margin-bottom:14px}
.contact__copy>p{color:var(--text-2);font-size:16px}
.contact__info{margin-top:30px;display:grid;gap:16px}
.contact__phone{
  display:inline-flex;align-items:center;gap:12px;
  padding:16px 26px;border-radius:99px;font-size:clamp(20px,2.5vw,28px);font-weight:700;
  background:var(--grad);color:#04122c;box-shadow:0 14px 34px rgba(47,125,255,.35);
  transition:.28s var(--ease);
}
.contact__phone:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(47,125,255,.45);color:#04122c}
.contact__phone svg{flex-shrink:0}
.contact__time{font-size:14px;color:var(--muted)}
.contact__qr{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:30px;border-radius:var(--radius-lg);text-align:center;
}
.contact__qr img{
  width:200px;height:200px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
}
.contact__qr span{font-size:14px;color:var(--text-2)}

/* 旧联系区兼容（已移除表单，保留 .form/.cta 样式不破坏既有引用） */
.cta{display:grid;grid-template-columns:1fr .82fr;gap:52px;align-items:start}
.cta__copy h2{font-size:clamp(23px,2.7vw,33px);margin-bottom:14px}
.cta__copy>p{color:var(--text-2);font-size:16px}
.cta__contact{margin-top:26px;display:grid;gap:12px}
.cta__contact li{display:flex;gap:14px;font-size:15px;color:var(--text-2);align-items:baseline}
.cta__contact span{color:var(--muted);min-width:76px;font-size:14px}
.cta__contact a{color:var(--brand-3);font-weight:600}
.cta__contact a:hover{color:#fff}

.form{padding:30px 28px}
.form h3{font-size:20px;margin-bottom:20px}
.form h3{font-size:20px;margin-bottom:20px}
.form__row{margin-bottom:16px}
.form__row label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:7px}
.form__row label i{color:#ff6b6b;font-style:normal}
.form input[type=text],.form input[type=tel],.form select,.form textarea{
  width:100%;padding:12px 14px;border-radius:11px;font-size:14.5px;
  background:rgba(255,255,255,.045);border:1px solid var(--line);color:var(--text);
  transition:.25s var(--ease);font-family:inherit;
}
.form input::placeholder,.form textarea::placeholder{color:#6c7d9f}
.form input:focus,.form select:focus,.form textarea:focus{
  outline:none;border-color:var(--brand);background:rgba(47,125,255,.08);
  box-shadow:0 0 0 3px rgba(47,125,255,.16);
}
.form select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form textarea{resize:vertical;min-height:78px}
.form__agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:6px 0 16px;cursor:pointer}
.form__agree input{margin-top:4px;accent-color:var(--brand);width:15px;height:15px}
.form__err{color:#ff8a8a;font-size:13px;margin-bottom:12px}
.form__tip{margin-top:12px;font-size:12.5px;color:var(--muted);text-align:center}

/* 页脚 · 科技感强化 */
.footer{
  position:relative;overflow:hidden;
  background:
    radial-gradient(760px circle at 10% 112%,rgba(47,125,255,.22),transparent 62%),
    radial-gradient(620px circle at 90% 122%,rgba(34,211,238,.17),transparent 60%),
    linear-gradient(180deg,#080e1e 0%,#050813 52%,#04060e 100%);
  border-top:1px solid transparent;
  padding:74px 0 30px;font-size:14px;
}
/* 顶部渐变光带 */
.footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;z-index:2;
  background:linear-gradient(90deg,transparent 0%,rgba(47,125,255,.35) 18%,#2f7dff 40%,#22d3ee 60%,rgba(34,211,238,.35) 82%,transparent 100%);
  box-shadow:0 0 18px rgba(47,125,255,.6),0 0 42px rgba(34,211,238,.28);
}
/* 网格底纹 */
.footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(120,170,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,255,.055) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(180deg,#000 0%,transparent 76%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 76%);
}
.footer > *{position:relative;z-index:1}

.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.logo--footer .logo__mark{width:34px;height:34px}
.footer__brand p{
  position:relative;
  margin-top:16px;padding-top:16px;
  color:var(--muted);font-size:13.5px;max-width:340px;
}
/* 品牌简介上方的渐变短线 */
.footer__brand p::before{
  content:"";position:absolute;left:0;top:0;
  width:42px;height:2px;border-radius:2px;
  background:var(--grad);opacity:.75;
  box-shadow:0 0 12px rgba(47,125,255,.5);
}
/* 栏目标题：渐变光点 */
.footer__nav h3{
  display:flex;align-items:center;gap:9px;
  font-size:15px;margin-bottom:16px;color:#fff;
}
.footer__nav h3::before{
  content:"";width:6px;height:6px;border-radius:2px;flex-shrink:0;
  background:var(--grad);
  box-shadow:0 0 10px rgba(47,125,255,.85);
}
.footer__nav ul{display:grid;gap:10px}
.footer__nav li{font-size:13.5px;color:var(--muted)}
.footer__nav a{position:relative;transition:.25s var(--ease)}
.footer__nav a:hover{color:#fff;text-shadow:0 0 12px rgba(109,157,255,.65)}

/* 友情链接 */
.friendlink{
  position:relative;
  margin-top:46px;padding-top:24px;
  display:flex;align-items:baseline;gap:10px 22px;flex-wrap:wrap;
}
.friendlink__title{font-size:14px;font-weight:600;color:var(--text-2);margin:0;flex-shrink:0}
.friendlink__list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 26px}
.friendlink__list a{font-size:13.5px;color:var(--muted);transition:.25s var(--ease)}
.friendlink__list a:hover{color:var(--brand-3);text-shadow:0 0 10px rgba(109,157,255,.5)}

/* 版权行 */
.footer__bottom{
  position:relative;
  margin-top:26px;padding-top:22px;
  font-size:12.5px;color:#66759a;display:grid;gap:8px;
}
.footer__copy{
  display:flex;justify-content:center;align-items:center;
  gap:8px 26px;flex-wrap:wrap;text-align:center;
}
.footer__icp a{color:inherit;transition:.25s var(--ease)}
.footer__icp a:hover{color:var(--brand-3)}
/* 渐变分割线 */
.friendlink::before,.footer__bottom::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-2) 18%,var(--line-2) 82%,transparent);
}

/* 移动端底部条 */
.mobile-bar{display:none}

/* 滚动出现动画 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.grid .reveal:nth-child(2),.flow .reveal:nth-child(2){transition-delay:.08s}
.grid .reveal:nth-child(3),.flow .reveal:nth-child(3){transition-delay:.16s}
.grid .reveal:nth-child(4),.flow .reveal:nth-child(4){transition-delay:.24s}
.grid .reveal:nth-child(5),.flow .reveal:nth-child(5){transition-delay:.32s}
.grid .reveal:nth-child(6),.flow .reveal:nth-child(6){transition-delay:.4s}

/* ---------------- 响应式 ---------------- */
@media (max-width:1080px){
  .hero__inner{grid-template-columns:1fr;gap:44px}
  .hero__visual{max-width:620px;margin:0 auto}
  .float--1{left:0}.float--2{right:0}
  .split{gap:40px}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .custom__list{grid-template-columns:repeat(2,1fr)}
  .csteps{grid-template-columns:repeat(3,1fr);gap:20px}
  .csteps li:nth-child(3n)::before{display:none}
  .contact{grid-template-columns:1fr;gap:40px;text-align:center}
  .contact__copy{text-align:center}
  .contact__info{justify-items:center}
  .footer__inner{grid-template-columns:1fr 1fr}
  .footer__brand{grid-column:1/-1}
}

@media (max-width:860px){
  .container{padding:0 18px}
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 18px 22px;background:rgba(7,11,22,.98);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.28s var(--ease);
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
  }
  .nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .nav__link{padding:12px 14px;font-size:15.5px}
  .nav__link::after{display:none}
  .nav__cta{margin:10px 0 0;width:100%}
  .menu-btn{display:block}
  .topbar__txt:first-child{display:none}
  .topbar__inner{justify-content:flex-end}
  .section{padding:64px 0}
  .hero{padding:48px 0 30px}
  .statbar{grid-template-columns:repeat(2,1fr)}
  .statbar li:nth-child(2n){border-right:0}
  .statbar li:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .split,.split--rev{grid-template-columns:1fr;gap:34px}
  .split--rev .split__visual{order:0}
  .contact__info{justify-items:stretch}
  .contact__phone{width:100%;justify-content:center}
}

@media (max-width:640px){
  body{font-size:15.5px}
  .grid--3,.grid--4,.flow{grid-template-columns:1fr}
  .custom__list{grid-template-columns:1fr;gap:14px}
  .custom__item{padding:18px 16px}
  .custom__side{padding:26px 20px}
  .csteps{grid-template-columns:1fr;gap:0;margin:22px 0 24px}
  .csteps li{padding:0 0 18px 26px}
  .csteps li::before{
    left:4px;right:auto;top:16px;bottom:2px;width:1px;height:auto;
    background:linear-gradient(180deg,var(--line-2),rgba(130,175,255,.05));
  }
  .csteps li:nth-child(3n)::before,
  .csteps li:nth-child(5n)::before{display:block}
  .csteps li:last-child{padding-bottom:0}
  .csteps li:last-child::before{display:none}
  .csteps__num{top:5px}
  .hero__copy h1{font-size:27px}
  .dash__cards{grid-template-columns:repeat(2,1fr)}
  .float{display:none}
  .footer__inner{grid-template-columns:1fr;gap:30px}
  .footer__copy{flex-direction:column;gap:6px}
  .form{padding:24px 20px}
  .mobile-bar{
    display:grid;grid-template-columns:1fr;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:70;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    background:rgba(7,11,22,.96);border-top:1px solid var(--line);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  }
  .mobile-bar__btn{
    display:block;text-align:center;padding:12px;border-radius:99px;font-size:15px;font-weight:600;
    border:1px solid var(--line-2);color:var(--text);
  }
  .mobile-bar__btn--primary{background:var(--grad);color:#04122c;border-color:transparent}
  body{padding-bottom:74px}
  .shead{margin-bottom:36px}
}

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