/* ==========================================================================
   康琪乐物联 · 官网设计系统
   风格：科技暗色系（深空蓝底 + 品牌绿/科技蓝渐变霓虹）
   零外链、零第三方字体/图片依赖
   ========================================================================== */

:root{
  /* 品牌与主题色 */
  --brand:        #00C97B;
  --brand-dim:    #00A265;
  --tech:         #2E8BFF;
  --tech-dim:     #1E6FD9;
  --grad:         linear-gradient(135deg,#00C97B 0%,#2E8BFF 100%);
  --grad-soft:    linear-gradient(135deg,rgba(0,201,123,.16) 0%,rgba(46,139,255,.16) 100%);
  --cyan:         #35E0E0;

  /* 底色层次 */
  --bg:           #050C18;
  --bg-2:         #08142A;
  --surface:      rgba(255,255,255,.035);
  --surface-2:    rgba(255,255,255,.06);
  --border:       rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.16);

  /* 文本 */
  --text:         #E9F1FB;
  --text-2:       #A9BAD2;
  --text-3:       #6B7F9B;

  /* 尺寸 */
  --radius:       14px;
  --radius-lg:    20px;
  --radius-sm:    9px;
  --maxw:         1240px;
  --header-h:     74px;

  --shadow:       0 18px 50px -20px rgba(0,0,0,.75);
  --glow-brand:   0 0 0 1px rgba(0,201,123,.35), 0 12px 40px -12px rgba(0,201,123,.45);
  --glow-tech:    0 0 0 1px rgba(46,139,255,.35), 0 12px 40px -12px rgba(46,139,255,.45);

  --ease:         cubic-bezier(.22,.68,0,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; cursor:pointer; border:0; background:none; color:inherit; }
h1,h2,h3,h4{ margin:0; line-height:1.3; font-weight:700; letter-spacing:.005em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
::selection{ background:rgba(0,201,123,.32); }

/* 滚动条 */
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background:#050C18; }
::-webkit-scrollbar-thumb{ background:#1B2B45; border-radius:10px; border:2px solid #050C18; }
::-webkit-scrollbar-thumb:hover{ background:#25405f; }

/* ---------- 布局 ---------- */
.container{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.section{ position:relative; padding:96px 0; }
.section--tight{ padding:64px 0; }
.section--alt{ background:
  radial-gradient(1200px 480px at 12% -10%,rgba(46,139,255,.10),transparent 60%),
  linear-gradient(180deg,#08142A 0%,#060E1E 100%); }
.section--edge{ border-top:1px solid var(--border); }
.grid{ display:grid; gap:22px; }
.g-2{ grid-template-columns:repeat(2,1fr); }
.g-3{ grid-template-columns:repeat(3,1fr); }
.g-4{ grid-template-columns:repeat(4,1fr); }
.g-contact{ grid-template-columns:1.25fr .75fr; gap:40px; align-items:start; }
.center{ text-align:center; }

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  font-size:13px; font-weight:600; letter-spacing:.16em; text-transform:uppercase;
  color:var(--brand); margin-bottom:18px;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--grad); border-radius:2px; }
.section-head{ max-width:760px; margin-bottom:52px; }
.section-head.center{ margin-left:auto; margin-right:auto; }
.section-head h2{ font-size:clamp(26px,3.4vw,42px); letter-spacing:-.01em; }
.section-head h2 .hl{
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.section-head p{ margin-top:16px; color:var(--text-2); font-size:16.5px; }
.muted{ color:var(--text-2); }
.dim{ color:var(--text-3); }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  height:50px; padding:0 28px; border-radius:999px;
  font-weight:600; font-size:15.5px; white-space:nowrap;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s, border-color .25s;
}
.btn svg{ width:17px; height:17px; }
.btn-primary{ background:var(--grad); color:#04140C; box-shadow:0 10px 30px -12px rgba(0,201,123,.7); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 40px -12px rgba(0,201,123,.85); }
.btn-outline{ border:1px solid var(--border-strong); color:var(--text); background:rgba(255,255,255,.03); }
.btn-outline:hover{ border-color:var(--brand); color:#fff; background:rgba(0,201,123,.10); transform:translateY(-2px); }
.btn-ghost{ color:var(--text-2); border:1px solid transparent; }
.btn-ghost:hover{ color:var(--text); background:rgba(255,255,255,.06); }
.btn-sm{ height:38px; padding:0 18px; font-size:14px; }
.btn-lg{ height:56px; padding:0 34px; font-size:16.5px; }
.btn-block{ width:100%; }

/* ---------- 页头 ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:900; height:var(--header-h);
  display:flex; align-items:center;
  transition:background .3s, backdrop-filter .3s, border-color .3s, box-shadow .3s;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(5,12,24,.82);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--border);
  box-shadow:0 10px 40px -20px rgba(0,0,0,.9);
}
.header-inner{ display:flex; align-items:center; gap:28px; width:100%; }

/* 品牌 */
.brand{ display:flex; align-items:center; gap:11px; flex-shrink:0; }
.brand-mark{ width:38px; height:38px; flex-shrink:0; }
.brand-logo{ height:46px; width:auto; flex-shrink:0; display:block; }
.footer-brand .brand-logo{ height:62px; }
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text strong{ font-size:17px; letter-spacing:.04em; }
.brand-text em{ font-style:normal; font-size:10px; letter-spacing:.24em; color:var(--text-3); }

/* 导航 */
.main-nav{ display:flex; align-items:center; gap:2px; margin-left:8px; }
.main-nav > a, .nav-item > a{
  position:relative; display:flex; align-items:center; gap:5px;
  padding:9px 15px; border-radius:9px; font-size:15px; font-weight:500; color:var(--text-2);
  transition:color .2s, background .2s;
}
.main-nav > a:hover, .nav-item > a:hover{ color:var(--text); background:rgba(255,255,255,.055); }
.main-nav > a.is-active, .nav-item.is-active > a{ color:#fff; }
.main-nav > a.is-active::after, .nav-item.is-active > a::after{
  content:""; position:absolute; left:15px; right:15px; bottom:2px; height:2px;
  background:var(--grad); border-radius:2px;
}
.nav-item{ position:relative; }
.nav-item .chev{ width:12px; height:12px; transition:transform .25s; }
.nav-item:hover .chev{ transform:rotate(180deg); }
.dropdown{
  position:absolute; top:calc(100% + 10px); left:0; min-width:232px; padding:8px;
  background:rgba(9,20,38,.97); backdrop-filter:blur(18px);
  border:1px solid var(--border-strong); border-radius:var(--radius);
  box-shadow:var(--shadow);
  opacity:0; visibility:hidden; transform:translateY(-8px);
  transition:opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
}
.nav-item:hover .dropdown, .nav-item.is-open .dropdown{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown a{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:11px 13px; border-radius:9px; font-size:14.5px; color:var(--text-2); transition:.2s;
}
.dropdown a:hover{ background:var(--grad-soft); color:#fff; }
.dropdown .tag{
  font-size:11px; padding:2px 8px; border-radius:999px;
  background:rgba(0,201,123,.16); color:var(--brand); border:1px solid rgba(0,201,123,.3);
}

/* 右上角双登录 */
.header-actions{ display:flex; align-items:center; gap:10px; margin-left:auto; flex-shrink:0; }
.header-actions .btn-ghost{ border-color:var(--border-strong); }
.nav-toggle{
  display:none; width:42px; height:42px; border-radius:10px;
  border:1px solid var(--border-strong); align-items:center; justify-content:center;
}
.nav-toggle span{ display:block; width:18px; height:2px; background:var(--text); border-radius:2px; position:relative; }
.nav-toggle span::before,.nav-toggle span::after{
  content:""; position:absolute; left:0; width:18px; height:2px; background:var(--text); border-radius:2px;
  transition:transform .25s;
}
.nav-toggle span::before{ top:-6px; } .nav-toggle span::after{ top:6px; }

/* ---------- Hero ---------- */
.hero{
  position:relative; min-height:min(94vh,900px); display:flex; align-items:center;
  padding:calc(var(--header-h) + 64px) 0 72px; overflow:hidden;
  background:radial-gradient(1000px 620px at 78% 12%,rgba(46,139,255,.20),transparent 62%),
             radial-gradient(900px 560px at 10% 88%,rgba(0,201,123,.16),transparent 62%),
             linear-gradient(180deg,#050C18 0%,#071228 60%,#050C18 100%);
}
.hero::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.5;
  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(circle at 50% 40%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 78%);
}
.hero-canvas{ position:absolute; inset:0; width:100%; height:100%; opacity:.85; }
.hero-inner{ position:relative; z-index:2; display:grid; grid-template-columns:1.08fr .92fr; gap:56px; align-items:center; width:100%; }
.hero-badge{
  display:inline-flex; align-items:center; gap:9px; padding:7px 16px; margin-bottom:24px;
  border:1px solid rgba(0,201,123,.32); border-radius:999px;
  background:rgba(0,201,123,.09); color:var(--brand); font-size:13.5px; font-weight:600;
}
.hero-badge i{ width:7px; height:7px; border-radius:50%; background:var(--brand); box-shadow:0 0 0 4px rgba(0,201,123,.18); animation:pulse 2s infinite; }
@keyframes pulse{ 50%{ box-shadow:0 0 0 9px rgba(0,201,123,0); } }
.hero h1{ font-size:clamp(34px,4.7vw,60px); letter-spacing:-.02em; }
.hero h1 .hl{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero .lead{ margin-top:22px; font-size:clamp(16px,1.35vw,18.5px); color:var(--text-2); max-width:620px; }
.hero-tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
.chip{
  display:inline-flex; align-items:center; gap:8px; padding:8px 15px;
  border:1px solid var(--border); border-radius:999px; background:var(--surface);
  font-size:13.5px; color:var(--text-2);
}
.chip svg{ width:15px; height:15px; color:var(--brand); }
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }

/* Hero 右侧玻璃数据卡 */
.hero-visual{ position:relative; height:460px; }
.glass{
  position:absolute; border:1px solid var(--border-strong); border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.085),rgba(255,255,255,.022));
  backdrop-filter:blur(14px); box-shadow:var(--shadow); padding:20px;
  animation:float 7s ease-in-out infinite;
}
.glass .k{ font-size:12px; letter-spacing:.12em; color:var(--text-3); text-transform:uppercase; }
.glass .v{ font-size:29px; font-weight:800; letter-spacing:-.01em; margin-top:6px; }
.glass .v span{ font-size:14px; font-weight:600; color:var(--text-3); margin-left:4px; }
.glass .bar{ height:5px; border-radius:5px; background:rgba(255,255,255,.09); margin-top:14px; overflow:hidden; }
.glass .bar i{ display:block; height:100%; border-radius:5px; background:var(--grad); }
.g-card1{ top:8px; left:0; width:255px; animation-delay:0s; }
.g-card2{ top:170px; right:0; width:268px; animation-delay:1.2s; }
.g-card3{ bottom:6px; left:36px; width:288px; animation-delay:2.4s; }
.g-row{ display:flex; align-items:center; gap:10px; }
.g-row .dot{ width:8px; height:8px; border-radius:50%; background:var(--brand); box-shadow:0 0 12px var(--brand); }
.g-row .dot.blue{ background:var(--tech); box-shadow:0 0 12px var(--tech); }
.g-row .dot.cyan{ background:var(--cyan); box-shadow:0 0 12px var(--cyan); }
@keyframes float{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-14px); } }

/* ---------- 数据条 ---------- */
.statbar{ border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,255,255,.028),transparent); }
.statbar-inner{ display:grid; grid-template-columns:repeat(4,1fr); }
.stat{ padding:38px 22px; text-align:center; border-left:1px solid var(--border); }
.stat:first-child{ border-left:0; }
.stat .num{ font-size:clamp(24px,2.6vw,34px); font-weight:800; letter-spacing:-.02em;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat .num small{ font-size:14px; font-weight:600; color:var(--text-2); -webkit-text-fill-color:var(--text-2); margin-left:5px; }
.stat .cap{ margin-top:9px; font-size:13.5px; color:var(--text-3); }

/* ---------- 卡片 ---------- */
.card{
  position:relative; padding:30px; border-radius:var(--radius-lg);
  border:1px solid var(--border); background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.014));
  transition:transform .35s var(--ease), border-color .35s, box-shadow .35s, background .35s;
  overflow:hidden;
}
.card::after{
  content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  background:radial-gradient(420px 200px at var(--mx,50%) var(--my,0%),rgba(0,201,123,.13),transparent 70%);
  opacity:0; transition:opacity .35s;
}
.card:hover{ transform:translateY(-6px); border-color:rgba(0,201,123,.34); box-shadow:var(--shadow); }
.card:hover::after{ opacity:1; }
.card h3{ font-size:19.5px; }
.card p{ margin-top:11px; color:var(--text-2); font-size:14.8px; }
.card-link{ display:inline-flex; align-items:center; gap:7px; margin-top:18px; color:var(--brand); font-size:14.5px; font-weight:600; }
.card-link svg{ width:15px; height:15px; transition:transform .25s; }
.card:hover .card-link svg{ transform:translateX(4px); }

.ico{
  width:52px; height:52px; border-radius:14px; display:grid; place-items:center; margin-bottom:20px;
  background:var(--grad-soft); border:1px solid var(--border-strong); color:var(--brand);
}
.ico svg{ width:26px; height:26px; }
.ico.blue{ color:var(--tech); background:linear-gradient(135deg,rgba(46,139,255,.16),rgba(53,224,224,.10)); }
.ico.cyan{ color:var(--cyan); background:linear-gradient(135deg,rgba(53,224,224,.14),rgba(0,201,123,.10)); }

/* 产品大卡（首页三主业） */
.pcard{ padding:0; overflow:hidden; display:flex; flex-direction:column; }
.pcard-top{ position:relative; padding:32px 30px 26px; border-bottom:1px solid var(--border); background:linear-gradient(165deg,rgba(0,201,123,.10),transparent 70%); }
.pcard-top.blue{ background:linear-gradient(165deg,rgba(46,139,255,.14),transparent 70%); }
.pcard-top.cyan{ background:linear-gradient(165deg,rgba(53,224,224,.12),transparent 70%); }
.pcard-badge{
  position:absolute; top:22px; right:24px; font-size:11.5px; font-weight:700; letter-spacing:.08em;
  padding:4px 11px; border-radius:999px; background:var(--grad); color:#04140C;
}
.pcard-body{ padding:26px 30px 30px; flex:1; display:flex; flex-direction:column; }
.pcard-body ul{ margin-top:20px; display:grid; gap:11px; }
.pcard-body li{ display:flex; gap:10px; align-items:flex-start; font-size:14.4px; color:var(--text-2); }
.pcard-body li svg{ width:17px; height:17px; color:var(--brand); flex-shrink:0; margin-top:3px; }
.pcard-body .card-link{ margin-top:auto; padding-top:22px; }

/* ---------- 特性列表（左文右图） ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.split--rev .split-media{ order:-1; }
.flist{ display:grid; gap:22px; margin-top:30px; }
.fitem{ display:flex; gap:16px; }
.fitem .ico{ width:44px; height:44px; margin:0; border-radius:12px; flex-shrink:0; }
.fitem .ico svg{ width:22px; height:22px; }
.fitem h4{ font-size:16.5px; }
.fitem p{ margin-top:7px; font-size:14.5px; color:var(--text-2); }

/* 媒体框（自绘） */
.media-frame{
  position:relative; border-radius:var(--radius-lg); border:1px solid var(--border-strong);
  background:linear-gradient(160deg,rgba(46,139,255,.10),rgba(0,201,123,.06));
  overflow:hidden; min-height:360px; display:grid; place-items:center; padding:34px;
}
.media-frame::before{
  content:""; position:absolute; inset:0; opacity:.6;
  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:38px 38px;
}
.media-frame > *{ position:relative; z-index:1; }

/* ---------- 时间轴 / 步骤 ---------- */
.steps{ display:grid; grid-template-columns:repeat(5,1fr); gap:18px; counter-reset:s; }
.steps.cols-4{ grid-template-columns:repeat(4,1fr); }
.step{ position:relative; padding:26px 20px; border:1px solid var(--border); border-radius:var(--radius);
  background:var(--surface); }
.step .n{ width:40px; height:40px; border-radius:11px; display:grid; place-items:center; font-weight:800;
  background:var(--grad); color:#04140C; margin-bottom:16px; font-size:16px; }
.step h4{ font-size:16px; }
.step p{ margin-top:8px; font-size:13.6px; color:var(--text-2); }
.step:not(:last-child)::after{
  content:""; position:absolute; top:46px; right:-10px; width:20px; height:1px; background:var(--border-strong); }

/* ---------- 表格 ---------- */
.table-wrap{ overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius-lg); }
table.tbl{ width:100%; border-collapse:collapse; min-width:640px; }
table.tbl th, table.tbl td{ padding:15px 20px; text-align:left; font-size:14.5px; border-bottom:1px solid var(--border); }
table.tbl thead th{ background:rgba(255,255,255,.045); font-weight:700; color:var(--text); font-size:14px;
  letter-spacing:.04em; }
table.tbl tbody tr:last-child td{ border-bottom:0; }
table.tbl tbody tr:hover td{ background:rgba(0,201,123,.055); }
table.tbl td strong{ color:var(--brand); }

/* ---------- 手风琴 FAQ ---------- */
.faq{ display:grid; gap:12px; }
.faq-item{ border:1px solid var(--border); border-radius:var(--radius); background:var(--surface); overflow:hidden; }
.faq-q{ width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:20px 24px; text-align:left; font-size:16px; font-weight:600; transition:.2s; }
.faq-q:hover{ background:rgba(255,255,255,.04); }
.faq-q .pm{ width:22px; height:22px; flex-shrink:0; position:relative; }
.faq-q .pm::before,.faq-q .pm::after{ content:""; position:absolute; background:var(--brand); border-radius:2px; }
.faq-q .pm::before{ left:0; top:10px; width:22px; height:2px; }
.faq-q .pm::after{ left:10px; top:0; width:2px; height:22px; transition:transform .25s; }
.faq-item.is-open .faq-q .pm::after{ transform:scaleY(0); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .35s var(--ease); }
.faq-a .inner{ padding:0 24px 22px; color:var(--text-2); font-size:14.9px; }
.faq-item.is-open .faq-a{ max-height:460px; }

/* ---------- 标签墙 ---------- */
.tags{ display:flex; flex-wrap:wrap; gap:12px; }
.tag-lg{ padding:11px 20px; border:1px solid var(--border); border-radius:var(--radius-sm);
  background:var(--surface); font-size:14.5px; color:var(--text-2); transition:.25s; }
.tag-lg:hover{ border-color:rgba(0,201,123,.4); color:#fff; background:var(--grad-soft); transform:translateY(-2px); }

/* ---------- 平台截图式面板 ---------- */
.panel{
  border:1px solid var(--border-strong); border-radius:var(--radius-lg); overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015)); box-shadow:var(--shadow);
}
.panel-bar{ display:flex; align-items:center; gap:8px; padding:13px 18px; border-bottom:1px solid var(--border);
  background:rgba(255,255,255,.035); }
.panel-bar i{ width:11px; height:11px; border-radius:50%; background:#2A3A55; }
.panel-bar i:nth-child(1){ background:#FF5F57; } .panel-bar i:nth-child(2){ background:#FEBC2E; } .panel-bar i:nth-child(3){ background:#28C840; }
.panel-bar .url{ margin-left:12px; font-size:12.5px; color:var(--text-3); font-family:ui-monospace,SFMono-Regular,Menlo,monospace; }
.panel-body{ padding:26px; display:grid; gap:16px; }
.kpi-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.kpi{ padding:16px 18px; border:1px solid var(--border); border-radius:var(--radius); background:rgba(255,255,255,.035); }
.kpi .k{ font-size:12px; color:var(--text-3); letter-spacing:.08em; }
.kpi .v{ font-size:22px; font-weight:800; margin-top:5px; }
.mini-bars{ display:flex; align-items:flex-end; gap:9px; height:96px; padding:14px; border:1px solid var(--border);
  border-radius:var(--radius); background:rgba(255,255,255,.03); }
.mini-bars i{ flex:1; border-radius:5px 5px 0 0; background:var(--grad); opacity:.85; }
.mini-bars i:nth-child(2n){ background:linear-gradient(180deg,#2E8BFF,#1E6FD9); }

/* ---------- 公告 / 提示条 ---------- */
.notice{
  display:flex; gap:13px; align-items:flex-start; padding:16px 20px; border-radius:var(--radius);
  border:1px solid rgba(46,139,255,.32); background:rgba(46,139,255,.09); font-size:14.2px; color:var(--text-2);
}
.notice svg{ width:19px; height:19px; color:var(--tech); flex-shrink:0; margin-top:2px; }
.notice.warn{ border-color:rgba(254,188,46,.32); background:rgba(254,188,46,.08); }
.notice.warn svg{ color:#FEBC2E; }

/* ---------- 表单 ---------- */
.form{ display:grid; gap:18px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:grid; gap:8px; }
.field label{ font-size:13.8px; color:var(--text-2); font-weight:600; }
.field label .req{ color:#FF6B6B; }
.field input, .field select, .field textarea{
  width:100%; padding:13px 16px; border-radius:var(--radius-sm);
  border:1px solid var(--border-strong); background:rgba(255,255,255,.045); color:var(--text);
  font-size:14.8px; font-family:inherit; transition:border-color .2s, background .2s, box-shadow .2s;
}
.field textarea{ min-height:132px; resize:vertical; }
.field input::placeholder, .field textarea::placeholder{ color:var(--text-3); }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:0; border-color:var(--brand); background:rgba(0,201,123,.07); box-shadow:0 0 0 3px rgba(0,201,123,.14);
}
.field select option{ background:#0A1526; color:var(--text); }
.form-foot{ display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.form-msg{ font-size:14px; }
.form-msg.ok{ color:var(--brand); } .form-msg.err{ color:#FF6B6B; }

/* 联系信息卡 */
.cinfo{ display:grid; gap:14px; }
.cinfo-item{ display:flex; gap:15px; align-items:flex-start; padding:20px; border:1px solid var(--border);
  border-radius:var(--radius); background:var(--surface); }
.cinfo-item .ico{ width:42px; height:42px; margin:0; border-radius:11px; flex-shrink:0; }
.cinfo-item .ico svg{ width:20px; height:20px; }
.cinfo-item .k{ font-size:12.5px; color:var(--text-3); letter-spacing:.08em; }
.cinfo-item .v{ font-size:15.5px; font-weight:600; margin-top:4px; word-break:break-all; }

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--border); padding:72px 0 0;
  background:radial-gradient(900px 420px at 80% 0%,rgba(46,139,255,.10),transparent 60%),
             linear-gradient(180deg,#060E1E,#04090F);
}
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:44px; padding-bottom:52px; }
.footer-grid h4{ font-size:15px; margin-bottom:18px; letter-spacing:.04em; }
.footer-grid ul{ display:grid; gap:11px; }
.footer-grid a{ font-size:14.2px; color:var(--text-3); transition:.2s; }
.footer-grid a:hover{ color:var(--brand); }
.footer-brand p{ margin-top:16px; font-size:14px; color:var(--text-3); max-width:330px; }
.footer-contact li{ display:flex; gap:10px; font-size:14.2px; color:var(--text-3); }
.footer-contact svg{ width:17px; height:17px; color:var(--brand); flex-shrink:0; margin-top:3px; }
.footer-bottom{ border-top:1px solid var(--border); padding:22px 0; display:flex; justify-content:space-between;
  gap:18px; flex-wrap:wrap; font-size:13.4px; color:var(--text-3); }
.footer-bottom a{ color:var(--text-3); transition:color .2s; }
.footer-bottom a:hover{ color:var(--brand); }
.footer-bottom a.beian{ text-decoration:underline; text-underline-offset:3px; }
a.tel,a.mailto{ transition:color .2s; }
a.tel:hover,a.mailto:hover{ color:var(--brand); }
.icp-table td:first-child{ color:var(--text-3); width:38%; }
.footer-logins{ display:flex; gap:12px; flex-wrap:wrap; }

/* ---------- 面包屑 & 内页头 ---------- */
.page-hero{
  position:relative; padding:calc(var(--header-h) + 76px) 0 66px;
  background:radial-gradient(900px 460px at 82% 0%,rgba(46,139,255,.18),transparent 62%),
             radial-gradient(700px 420px at 5% 100%,rgba(0,201,123,.13),transparent 62%),
             linear-gradient(180deg,#050C18,#08142A);
  border-bottom:1px solid var(--border);
}
.page-hero h1{ font-size:clamp(28px,3.8vw,46px); letter-spacing:-.02em; }
.page-hero .lead{ margin-top:16px; color:var(--text-2); max-width:760px; font-size:16.5px; }
.crumb{ display:flex; align-items:center; gap:9px; font-size:13.4px; color:var(--text-3); margin-bottom:20px; }
.crumb a:hover{ color:var(--brand); }
.crumb svg{ width:12px; height:12px; }

/* ---------- CTA 带 ---------- */
.cta{
  position:relative; border-radius:var(--radius-lg); overflow:hidden; padding:56px;
  border:1px solid rgba(0,201,123,.28);
  background:radial-gradient(700px 340px at 85% 10%,rgba(46,139,255,.22),transparent 62%),
             linear-gradient(135deg,rgba(0,201,123,.14),rgba(46,139,255,.12));
  display:grid; grid-template-columns:1.4fr auto; gap:34px; align-items:center;
}
.cta h2{ font-size:clamp(22px,2.6vw,32px); }
.cta p{ margin-top:12px; color:var(--text-2); }
.cta-actions{ display:flex; gap:13px; flex-wrap:wrap; }

/* ---------- 滚动显现动画 ---------- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .glass{ animation:none; }
}

/* ---------- Toast ---------- */
.toast-wrap{ position:fixed; right:24px; bottom:24px; z-index:2000; display:grid; gap:12px; }
.toast{
  min-width:250px; max-width:380px; padding:15px 20px; border-radius:var(--radius);
  border:1px solid var(--border-strong); background:rgba(9,20,38,.97); backdrop-filter:blur(14px);
  box-shadow:var(--shadow); font-size:14.2px; display:flex; gap:11px; align-items:flex-start;
  animation:toastIn .32s var(--ease);
}
.toast svg{ width:18px; height:18px; color:var(--brand); flex-shrink:0; margin-top:2px; }
@keyframes toastIn{ from{ opacity:0; transform:translateY(14px); } }
.toast.out{ opacity:0; transform:translateY(10px); transition:.3s; }

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-inner{ grid-template-columns:1fr; gap:40px; }
  .hero-visual{ height:340px; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:34px; }
  .g-4{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:repeat(3,1fr); }
  .steps.cols-4{ grid-template-columns:repeat(2,1fr); }
  .step:nth-child(3)::after{ display:none; }
}
@media (max-width:900px){
  .main-nav{
    position:fixed; top:var(--header-h); left:0; right:0; flex-direction:column; align-items:stretch;
    gap:4px; padding:16px 20px 26px; margin:0;
    background:rgba(5,12,24,.98); backdrop-filter:blur(18px); border-bottom:1px solid var(--border);
    transform:translateY(-130%); transition:transform .35s var(--ease); max-height:calc(100vh - var(--header-h)); overflow-y:auto;
  }
  .main-nav.is-open{ transform:translateY(0); }
  .main-nav > a, .nav-item > a{ padding:14px 12px; font-size:16px; }
  .main-nav > a.is-active::after, .nav-item.is-active > a::after{ display:none; }
  .dropdown{ position:static; opacity:1; visibility:visible; transform:none; box-shadow:none;
    background:rgba(255,255,255,.04); margin:4px 0 8px; min-width:0; display:none; }
  .nav-item.is-open .dropdown{ display:block; }
  .nav-toggle{ display:flex; }
  .header-actions .btn-ghost{ display:none; }
  .g-2,.g-3,.g-4{ grid-template-columns:1fr; }
  .split{ grid-template-columns:1fr; gap:36px; }
  .split--rev .split-media{ order:0; }
  .statbar-inner{ grid-template-columns:1fr 1fr; }
  .stat:nth-child(odd){ border-left:0; }
  .stat:nth-child(n+3){ border-top:1px solid var(--border); }
  .cta{ grid-template-columns:1fr; padding:38px 26px; }
  .steps{ grid-template-columns:1fr 1fr; }
  .steps.cols-4{ grid-template-columns:1fr 1fr; }
  .g-contact{ grid-template-columns:1fr; gap:28px; }
  .step::after{ display:none !important; }
  .form-row{ grid-template-columns:1fr; }
  .section{ padding:70px 0; }
  .footer-grid{ grid-template-columns:1fr; }
  .hero-visual{ display:none; }
}
@media (max-width:560px){
  .hero-visual{ display:none; }
  .statbar-inner{ grid-template-columns:1fr; }
  .stat{ border-left:0 !important; }
  .stat + .stat{ border-top:1px solid var(--border); }
  .steps{ grid-template-columns:1fr; }
  .kpi-row{ grid-template-columns:1fr; }
  .header-actions .btn-primary span{ display:none; }
  .header-actions .btn-primary{ padding:0 14px; }
}