/* ============================================================
   天汇科技 · 全站统一设计系统 (基于 AIMVCOS 参考风格)
   - 深色 / 浅色双主题
   - 顶部导航（下拉菜单 + 电话 + 登录 + 主题切换）
   - 粒子地球 Hero
   - 卡片 / 区块 / 页脚
   - 对旧版 Tailwind 子页面的深色兼容覆盖
   ============================================================ */

/* ============ 设计变量 ============ */
:root{
  --bg:#060b16;
  --bg2:#0a1220;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.03);
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --text:#e9eff8;
  --muted:#94a5c0;
  --brand:#0FDC78;
  --brand-d:#0ab861;
  --blue:#38bdf8;
  --violet:#8b5cf6;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --nav-h:66px;
  --maxw:1200px;
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{margin:0;line-height:1.28;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

/* 背景光晕 */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 600px at 12% -5%, rgba(15,220,120,.16), transparent 60%),
    radial-gradient(900px 620px at 92% 8%, rgba(56,189,248,.14), transparent 62%),
    radial-gradient(800px 700px at 50% 108%, rgba(139,92,246,.14), transparent 60%);
}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{position:relative;z-index:1;padding:88px 0}
.section-sm{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand);font-weight:600;
  background:rgba(15,220,120,.09);border:1px solid rgba(15,220,120,.24);
  padding:6px 14px;border-radius:999px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.sec-title{font-size:clamp(24px,3.6vw,38px);margin:18px 0 12px}
.sec-desc{color:var(--muted);max-width:760px;font-size:clamp(14px,1.6vw,16px)}
.sec-head{margin-bottom:44px}

/* ============ 顶部导航 ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(6,11,22,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line-2);
}
.nav .wrap{display:flex;align-items:center;gap:22px;width:100%}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:50px;height:50px;flex:0 0 auto;display:block;
  border-radius:12px;overflow:hidden;
}
.logo-txt{display:flex;flex-direction:column;line-height:1.15}
.logo-txt .l1{
  font-size:22px;font-weight:900;letter-spacing:4px;color:var(--text);
}
.logo-txt .l2{
  font-size:12px;font-weight:800;letter-spacing:.32em;color:var(--brand);
  font-family:Consolas,Menlo,"Courier New",monospace;margin-top:3px;
}

.menu{display:flex;align-items:center;gap:2px}
.menu > li{position:relative}
.menu > li > a{
  display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:10px;
  font-size:14.5px;color:#cfdcee;transition:color .2s, background .2s;white-space:nowrap;
}
.menu > li > a:hover,.menu > li.active > a{color:#fff;background:rgba(255,255,255,.06)}
.caret{width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg);margin-top:-3px;opacity:.7}

/* 二级下拉 */
.submenu{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,8px);
  min-width:520px;padding:20px;border-radius:var(--radius);
  background:rgba(10,18,32,.97);border:1px solid var(--line);
  box-shadow:var(--shadow);backdrop-filter:blur(14px);
  display:grid;grid-template-columns:repeat(3,minmax(150px,1fr));gap:6px 22px;
  opacity:0;visibility:hidden;transition:opacity .2s, transform .2s, visibility .2s;
}
.submenu.wide{grid-template-columns:repeat(4,minmax(140px,1fr));min-width:680px}
.menu > li:hover > .submenu,.menu > li:focus-within > .submenu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.sub-col h5{font-size:12px;color:var(--brand);letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px;font-weight:600}
.sub-col a{display:block;padding:7px 10px;border-radius:9px;font-size:13.5px;color:#c6d3e6;transition:background .18s,color .18s,padding-left .18s}
.sub-col a:hover{background:rgba(15,220,120,.10);color:#fff;padding-left:14px}

/* 右侧 CTA（电话 / 登录） */
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}

.nav-phone{
  display:inline-flex;align-items:center;padding:9px 13px;border-radius:11px;
  font-size:14.5px;font-weight:600;color:#dbe6f5;overflow:hidden;white-space:nowrap;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:transform .18s, border-color .22s, background .22s, box-shadow .22s;
}
.nav-phone .ico-phone{width:17px;height:17px;flex:0 0 auto;color:var(--brand);transition:color .22s}
.nav-phone-num{
  max-width:0;opacity:0;margin-left:0;
  font-family:var(--mono);letter-spacing:.4px;
  transition:max-width .34s ease, opacity .26s ease, margin-left .34s ease;
}
.nav-phone:hover,
.nav-phone:focus-visible,
.nav-phone.open{
  border-color:rgba(15,220,120,.5);background:rgba(15,220,120,.10);
  transform:translateY(-2px);box-shadow:0 10px 26px rgba(15,220,120,.18);
}
.nav-phone:hover .nav-phone-num,
.nav-phone:focus-visible .nav-phone-num,
.nav-phone.open .nav-phone-num{max-width:190px;opacity:1;margin-left:9px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:11px;font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .18s, box-shadow .22s, background .22s, border-color .22s;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#04240f;box-shadow:0 10px 26px rgba(15,220,120,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(15,220,120,.4)}
.btn-ghost{border-color:var(--line);color:#dbe6f5;background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-block{width:100%}

.burger{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:#dbe6f5;border-radius:2px;position:relative;transition:.25s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#dbe6f5;border-radius:2px;transition:.25s}
.burger span::before{top:-6px}
.burger span::after{top:6px}
body.nav-open .burger span{background:transparent}
body.nav-open .burger span::before{transform:translateY(6px) rotate(45deg)}
body.nav-open .burger span::after{transform:translateY(-6px) rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:var(--nav-h) 0 0 0;z-index:55;
  background:rgba(6,11,22,.98);backdrop-filter:blur(12px);
  padding:18px 20px 40px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;visibility:hidden;transition:.25s;
}
body.nav-open .drawer{transform:none;opacity:1;visibility:visible}
.drawer .acc{border-bottom:1px solid var(--line-2)}
.acc-head{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  padding:15px 4px;font-size:16px;color:#e3ecf9;background:none;border:0;cursor:pointer;font-family:inherit;
}
.acc-head .caret{transition:transform .25s}
.acc.open .acc-head .caret{transform:rotate(-135deg);margin-top:3px}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc.open .acc-body{max-height:640px}
.acc-body a{display:block;padding:11px 4px 11px 16px;font-size:14.5px;color:#b9c7dc;border-left:2px solid var(--line)}
.acc-body a:active{color:var(--brand)}
.drawer .drawer-cta{margin-top:22px;display:grid;gap:10px}
.drawer .simple{display:block;padding:15px 4px;font-size:16px;color:#e3ecf9;border-bottom:1px solid var(--line-2)}

/* ============ 首屏 Hero + 粒子地球 ============ */
.hero{
  position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 40px) 0 60px;overflow:hidden;z-index:1;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;
  background-size:200% 200%;
}
.slide.on{opacity:1;animation:breathe 16s ease-in-out infinite}
@keyframes breathe{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
.slide.s1{background-image:linear-gradient(120deg,#0FDC78,#38bdf8 55%,#2563eb)}
.slide.s2{background-image:linear-gradient(120deg,#38bdf8,#6366f1 50%,#8b5cf6)}
.slide.s3{background-image:linear-gradient(120deg,#0FDC78,#06b6d4 52%,#2563eb)}
.slide.s4{background-image:linear-gradient(120deg,#0FDC78,#38bdf8 36%,#8b5cf6 66%,#f43f5e)}
#globe{position:absolute;inset:0;width:100%;height:100%;z-index:1;opacity:.45;pointer-events:none}
.hero-veil{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:radial-gradient(70% 60% at 50% 50%, rgba(6,11,22,.45), rgba(6,11,22,.15) 60%, transparent 100%);
}
.hero-inner{position:relative;z-index:3;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.hero-copy{max-width:880px;margin:0 auto;text-align:center}
.hero-slide{display:none}
.hero-slide.on{display:block;animation:fadeUp .7s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero h1{font-size:clamp(30px,5.6vw,58px);letter-spacing:.5px;margin:20px 0 16px;
  background:linear-gradient(180deg,#ffffff,#a9c6e6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:#b6c6dd;font-size:clamp(14px,1.9vw,17.5px);max-width:720px;margin:0 auto 30px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:840px;margin:52px auto 0}
.hstat{
  background:rgba(255,255,255,.045);border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:16px 12px;text-align:center;backdrop-filter:blur(6px);
}
.hstat b{display:block;font-size:clamp(20px,2.6vw,26px);font-family:var(--mono);color:#fff;letter-spacing:.5px}
.hstat span{font-size:12.5px;color:var(--muted)}

.slide-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:46px;height:46px;border-radius:50%;cursor:pointer;
  border:1px solid var(--line);background:rgba(10,18,32,.6);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;transition:.22s;
}
.slide-arrow:hover{background:rgba(15,220,120,.16);border-color:rgba(15,220,120,.5)}
.slide-arrow svg{width:16px;height:16px;stroke:#e3ecf9;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.slide-arrow.prev{left:18px}
.slide-arrow.next{right:18px}
.dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:4;display:flex;gap:9px}
.dots button{
  width:9px;height:9px;border-radius:50%;border:0;cursor:pointer;padding:0;
  background:rgba(255,255,255,.26);transition:.25s;
}
.dots button.on{background:var(--brand);width:26px;border-radius:6px}

/* ============ 卡片与网格 ============ */
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform .25s, border-color .25s, background .25s;
  position:relative;overflow:hidden;
}
.card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;opacity:0;
  background:linear-gradient(90deg,var(--brand),var(--blue));transition:opacity .25s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(15,220,120,.36);background:rgba(255,255,255,.062)}
.card:hover::after{opacity:1}
.card-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:16px;font-family:var(--mono);font-weight:600;color:#04240f;
  background:linear-gradient(135deg,var(--brand),var(--brand-d));
}
.card h3{font-size:17.5px;margin-bottom:8px}
.card .card-sub{color:var(--muted);font-size:13.5px;margin-bottom:14px}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tags span{
  font-size:12.5px;color:#b9c8dd;background:rgba(255,255,255,.05);
  border:1px solid var(--line-2);padding:4px 10px;border-radius:999px;
}

.hl{display:flex;gap:14px;align-items:flex-start}
.hl-ico{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);color:var(--blue);font-size:16px;
}
.hl h4{font-size:16px;margin-bottom:6px}
.hl p{font-size:13.8px;color:var(--muted)}

/* ============ CTA 与页脚 ============ */
.cta-band{
  position:relative;z-index:1;overflow:hidden;
  background:linear-gradient(120deg,#0FDC78,#38bdf8 36%,#8b5cf6 66%,#f43f5e);
  background-size:220% 220%;animation:ctaShift 12s ease-in-out infinite;
  border:none;border-radius:22px;padding:46px 34px;text-align:center;
  box-shadow:0 24px 60px rgba(76,110,246,.30);
}
@keyframes ctaShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.cta-band .eyebrow{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.42);color:#fff}
.cta-band h2{font-size:clamp(22px,3.2vw,32px);margin-bottom:12px;color:#fff}
.cta-band p{color:rgba(255,255,255,.94);max-width:640px;margin:0 auto 26px}
.cta-band .btn.btn-primary{background:#0b1526;border-color:#0b1526;color:#fff;box-shadow:0 10px 26px rgba(3,10,24,.38)}
.cta-band .btn.btn-primary:hover{background:#1a2a44;border-color:#1a2a44}
.cta-band .btn.btn-ghost{background:rgba(11,21,38,.42);border-color:rgba(255,255,255,.45);color:#fff}
.cta-band .btn.btn-ghost:hover{background:rgba(11,21,38,.62);border-color:#fff}
.cta-band .cta-icall{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:#fff;border:none;box-shadow:0 10px 26px rgba(3,10,24,.35);transition:transform .25s,box-shadow .25s}
.cta-band .cta-icall:hover{transform:translateY(-2px) scale(1.06);box-shadow:0 14px 32px rgba(3,10,24,.45)}
.cta-band .cta-icall svg{width:24px;height:24px;display:block;fill:none;stroke:#0b1526;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
/* 炫彩圆形电话图标按钮（替代灰色「联系我们」文字按钮） */
.cta-iring{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;flex:0 0 auto;background:linear-gradient(120deg,#0FDC78,#38bdf8 36%,#8b5cf6 66%,#f43f5e);background-size:220% 220%;animation:ctaShift 12s ease-in-out infinite;border:none;box-shadow:0 10px 26px rgba(76,110,246,.38);transition:transform .25s,box-shadow .25s}
.cta-iring:hover{transform:translateY(-2px) scale(1.08);box-shadow:0 14px 34px rgba(76,110,246,.5)}
.cta-iring svg{width:24px;height:24px;display:block;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.cta-phone .cta-ism{width:32px;height:32px;box-shadow:0 4px 14px rgba(76,110,246,.38)}
.cta-phone .cta-ism svg{width:16px;height:16px}
.cta-phone .cta-ism:hover{transform:none;box-shadow:0 4px 14px rgba(76,110,246,.38)}
.cta-band .btn.btn-ghost{border-radius:999px}
.cta-band .cta-phone{display:inline-flex;align-items:center;gap:10px;margin:0;padding:9px 22px 9px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.45);background:rgba(11,21,38,.42);color:#fff;font-size:16px;font-weight:800;font-family:var(--mono)}
.cta-band .cta-phone:hover{background:rgba(11,21,38,.62);border-color:#fff}
footer{position:relative;z-index:1;border-top:1px solid var(--line-2);margin-top:70px;padding:46px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px}
.foot-grid h5{font-size:13px;color:#fff;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.foot-grid a,.foot-grid p{display:block;font-size:13.6px;color:var(--muted);padding:5px 0}
.foot-grid a:hover{color:var(--brand)}
.foot-brand p{max-width:320px;line-height:1.75}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line-2);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.8px;color:#7f90aa;
}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ============ 演示站点下拉 ============ */
.demo-menu{position:relative;display:inline-flex;flex:0 0 auto}
.demo-main{border-top-right-radius:0;border-bottom-right-radius:0;padding-right:13px}
.demo-caret{border-top-left-radius:0;border-bottom-left-radius:0;padding:9px 9px;margin-left:1px}
.demo-main:hover,.demo-caret:hover{transform:none}
.demo-caret .caret{width:14px;height:14px;border:0;fill:none;stroke:currentColor;stroke-width:2.4;
  stroke-linecap:round;stroke-linejoin:round;transform:none;transition:transform .2s}
.demo-menu.open .caret{transform:rotate(180deg);opacity:1}
.dropdown{
  position:absolute;top:calc(100% + 8px);right:0;min-width:152px;z-index:90;
  background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:6px;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s;
}
.demo-menu.open .dropdown{opacity:1;visibility:visible;transform:none}
.dropdown a{
  display:block;padding:9px 12px;border-radius:9px;font-size:13.5px;color:var(--text);
  white-space:nowrap;transition:background .15s,color .15s;
}
.dropdown a:hover{background:var(--panel);color:var(--brand)}
.dropdown a.disabled{pointer-events:none;opacity:.45;cursor:not-allowed;color:var(--muted);background:none}
/* 下拉行：主链接 + 右侧平级快捷口（如 智汇视窗 的 首页/登录） */
.demo-menu .dropdown{min-width:236px}
.dd-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.dd-row>a:first-child{flex:1}
.dd-extras{display:inline-flex;flex:0 0 auto;gap:6px}
.dd-extras a{font-size:11px;padding:3px 10px;border-radius:999px;border:1px solid var(--line);
  color:var(--muted);background:rgba(255,255,255,.04);line-height:1.5;transition:.2s}
.dd-extras a:hover{border-color:rgba(15,220,120,.55);color:var(--brand);background:rgba(15,220,120,.08)}
html[data-theme="light"] .dd-extras a{background:rgba(15,31,51,.04)}
/* 移动抽屉同款行布局 */
.drawer .acc-body .dd-row{padding:2px 0}
.drawer .acc-body .dd-row>a:first-child{flex:1}

/* ============ 深 / 浅色切换按钮 ============ */
.theme-toggle{
  display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);cursor:pointer;flex:0 0 auto;
  transition:background .2s,border-color .2s,transform .2s;
}
.theme-toggle:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);transform:translateY(-2px)}
.theme-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .icon-sun{display:none}
.theme-toggle .icon-moon{display:block}
html[data-theme="light"] .theme-toggle .icon-sun{display:block}
html[data-theme="light"] .theme-toggle .icon-moon{display:none}
html[data-theme="light"] .theme-toggle{border-color:var(--line);background:rgba(15,30,60,.03)}
html[data-theme="light"] .theme-toggle:hover{background:rgba(15,30,60,.07);border-color:rgba(15,30,60,.22)}

.drawer a.d-item{display:block;padding:14px 4px;font-size:16px;color:#e3ecf9;border-bottom:1px solid var(--line-2)}
.d-sep{height:1px;background:var(--line-2);margin:12px 2px}
.muted{color:var(--muted)}

/* 固定导航占位：锚点跳转时不被顶栏盖住 */
section[id]{scroll-margin-top:calc(var(--nav-h) + 12px)}

/* ============ 首页 Banner 卡片（保留原 banner 图文，叠加在粒子地球之上） ============ */
.banner-card{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;
  padding:30px 24px;max-width:1120px;margin:0 auto;text-align:center;
}
.banner-card .bc-ico{
  flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  width:min(70vw,920px);
}
.banner-card .bc-ico img{width:100%;height:auto;object-fit:contain;display:block}
.banner-card .bc-body{max-width:720px}
.banner-card h1{
  font-size:clamp(26px,4.4vw,44px);letter-spacing:.5px;margin:0 0 14px;line-height:1.2;
  background:linear-gradient(180deg,#ffffff,#dceaff);-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:none;filter:drop-shadow(0 2px 12px rgba(3,10,24,.30));
}
.banner-card h1 em{font-style:normal;background:none;-webkit-text-fill-color:#fff;color:#fff}
.banner-card p{color:rgba(255,255,255,.93);font-size:clamp(14px,1.7vw,16px);margin-bottom:22px;text-shadow:0 1px 8px rgba(3,10,24,.22)}
.banner-card .hero-actions{justify-content:center}

/* 移动端平台名称：2 行显示，且单个系统名不被切断 */
.pf-platform{
  display:inline-flex;flex-wrap:nowrap;align-items:center;justify-content:center;
  gap:.4em;white-space:nowrap;
}
.pf-pill{white-space:nowrap}
@media (max-width:720px){
  .pf-platform{flex-wrap:wrap;white-space:normal;gap:.22em .4em}
}

/* ============ 案例网格（保留整站案列图片） ============ */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.case-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s, border-color .25s;position:relative;
}
.case-card:hover{transform:translateY(-5px);border-color:rgba(15,220,120,.36)}
.case-thumb{position:relative;width:100%;padding-top:66.67%;background:rgba(255,255,255,.03);overflow:hidden}
.case-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:10px}
.case-cap{padding:12px 14px;font-size:13.5px;color:#cdd9ec;border-top:1px solid var(--line-2);text-align:center}

/* 资质证书 */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cert-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s, border-color .25s;
}
.cert-card:hover{transform:translateY(-5px);border-color:rgba(15,220,120,.36)}
.cert-thumb{background:rgba(255,255,255,.04);overflow:hidden}
.cert-thumb img{width:100%;height:auto;object-contain}
.cert-cap{
  padding:14px;text-align:center;font-weight:600;color:#fff;
  background:linear-gradient(135deg,rgba(15,220,120,.18),rgba(56,189,248,.14));
}

/* ============ 浅色（白色）风格覆盖 ============ */
html[data-theme="light"]{
  --bg:#f3f6fb; --bg2:#ffffff;
  --panel:rgba(15,30,60,.045); --panel-2:rgba(15,30,60,.025);
  --line:rgba(15,30,60,.14); --line-2:rgba(15,30,60,.09);
  --text:#0f1f33; --muted:#5b6b82;
  --brand:#e0740a; --brand-d:#c25e08; --blue:#1f93d4; --violet:#7a47d6;
  --shadow:0 16px 44px rgba(22,42,80,.14);
}
html[data-theme="light"] body::before{
  background:
    radial-gradient(900px 600px at 12% -5%, rgba(224,116,10,.10), transparent 60%),
    radial-gradient(900px 620px at 92% 8%, rgba(31,147,212,.09), transparent 62%),
    radial-gradient(800px 700px at 50% 108%, rgba(122,71,214,.09), transparent 60%);
}
html[data-theme="light"] .nav{background:#fff;border-bottom-color:var(--line-2)}
html[data-theme="light"] .nav.scrolled{background:rgba(255,255,255,.92);border-bottom-color:var(--line-2)}
html[data-theme="light"] .nav-phone .nav-phone-num{color:#e0740a}
html[data-theme="light"] .burger{border-color:var(--line);background:rgba(15,30,60,.03)}
html[data-theme="light"] .burger span,
html[data-theme="light"] .burger span::before,
html[data-theme="light"] .burger span::after{background:#33455c}
html[data-theme="light"] .menu > li > a{color:#3a4a60}
html[data-theme="light"] .menu > li > a:hover,
html[data-theme="light"] .menu > li.active > a{color:#0f1f33;background:rgba(15,30,60,.05)}
html[data-theme="light"] .submenu{background:rgba(255,255,255,.98);border-color:var(--line);box-shadow:var(--shadow)}
html[data-theme="light"] .sub-col h5{color:var(--brand)}
html[data-theme="light"] .sub-col a{color:#42546c}
html[data-theme="light"] .sub-col a:hover{background:rgba(224,116,10,.10);color:#0f1f33}
html[data-theme="light"] .btn-ghost{color:#27405c;border-color:var(--line);background:rgba(15,30,60,.03)}
html[data-theme="light"] .btn-ghost:hover{background:rgba(15,30,60,.07);border-color:rgba(15,30,60,.22)}
html[data-theme="light"] .btn-primary{box-shadow:0 8px 22px rgba(224,116,10,.22)}
html[data-theme="light"] .btn-primary:hover{box-shadow:0 12px 30px rgba(224,116,10,.32)}
html[data-theme="light"] .drawer{background:rgba(255,255,255,.98)}
html[data-theme="light"] .drawer .simple,
html[data-theme="light"] .drawer a.d-item{color:#26364b;border-bottom-color:var(--line-2)}
html[data-theme="light"] .d-sep{background:var(--line-2)}
html[data-theme="light"] .eyebrow{background:rgba(224,116,10,.10);border-color:rgba(224,116,10,.28)}
html[data-theme="light"] .cta-band .eyebrow{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.42);color:#fff}
html[data-theme="light"] .hero h1{background:linear-gradient(180deg,#0d2438,#42607f);-webkit-background-clip:text;background-clip:text;color:transparent}
html[data-theme="light"] .hero h1 em{background:linear-gradient(120deg,#c25e08,#1f93d4);-webkit-background-clip:text;background-clip:text;color:transparent}
html[data-theme="light"] .hero-sub{color:#50617a}
html[data-theme="light"] .hero-veil{background:radial-gradient(70% 60% at 50% 50%, rgba(243,246,251,.62), rgba(243,246,251,.28) 60%, transparent 100%)}
html[data-theme="light"] .hero{background:#fff}
html[data-theme="light"] .hero-bg .slide{background-image:none;background-color:#fff}
html[data-theme="light"] #globe{opacity:.35}
html[data-theme="light"] .hstat b{color:#2e333b}
html[data-theme="light"] .hstat{background:rgba(15,30,60,.035);border-color:var(--line-2)}
html[data-theme="light"] .slide-arrow{background:rgba(255,255,255,.72);border-color:var(--line)}
html[data-theme="light"] .slide-arrow:hover{background:rgba(224,116,10,.12);border-color:rgba(224,116,10,.5)}
html[data-theme="light"] .slide-arrow svg{stroke:#2e333b}
html[data-theme="light"] .dots button{background:rgba(15,30,60,.2)}
html[data-theme="light"] .card:hover{background:rgba(15,30,60,.05);border-color:rgba(224,116,10,.34)}
html[data-theme="light"] .card-ico{color:#fff}
html[data-theme="light"] .tags span{background:rgba(15,30,60,.04);border-color:var(--line-2);color:#42546c}
/* 浅色模式：服务卡片炫彩 + 查看更多案例按钮炫彩 */
html[data-theme="light"] #services .card{border:none;color:#fff;box-shadow:0 16px 40px rgba(76,110,246,.20)}
html[data-theme="light"] #services .card:nth-child(1){background:linear-gradient(135deg,#0FDC78,#0aa8c8)}
html[data-theme="light"] #services .card:nth-child(2){background:linear-gradient(135deg,#38bdf8,#2563eb)}
html[data-theme="light"] #services .card:nth-child(3){background:linear-gradient(135deg,#a78bfa,#7c3aed)}
html[data-theme="light"] #services .card:nth-child(4){background:linear-gradient(135deg,#fb7185,#f97316)}
html[data-theme="light"] #services .card:hover{transform:translateY(-5px);border-color:transparent;box-shadow:0 22px 54px rgba(76,110,246,.32)}
html[data-theme="light"] #services .card h3{color:#fff}
html[data-theme="light"] #services .card .card-sub{color:rgba(255,255,255,.85)}
html[data-theme="light"] #services .card-ico{background:rgba(255,255,255,.22);color:#fff}
html[data-theme="light"] #services .tags span{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.35);color:#fff}
html[data-theme="light"] #services .card .btn-ghost{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.45);color:#fff}
html[data-theme="light"] #services .card .btn-ghost:hover{background:rgba(255,255,255,.28);border-color:#fff}
html[data-theme="light"] #cases .btn.btn-primary{background:linear-gradient(120deg,#0FDC78,#38bdf8 36%,#8b5cf6 66%,#f43f5e);background-size:220% 220%;animation:ctaShift 12s ease-in-out infinite;border:none;color:#fff;box-shadow:0 12px 30px rgba(76,110,246,.30)}
html[data-theme="light"] #cases .btn.btn-primary:hover{box-shadow:0 16px 38px rgba(76,110,246,.42)}
html[data-theme="light"] .foot-grid h5{color:#2e333b}
html[data-theme="light"] .foot-grid a,
html[data-theme="light"] .foot-grid p{color:#5b6b82}
html[data-theme="light"] .banner-card h1{background:linear-gradient(180deg,#0d2438,#42607f);-webkit-background-clip:text;background-clip:text;color:transparent;filter:none}
html[data-theme="light"] .banner-card h1 em{background:linear-gradient(120deg,#c25e08,#1f93d4);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
html[data-theme="light"] .banner-card p{color:#50617a;text-shadow:none}
html[data-theme="light"] .ob-face i{color:#33455c;text-shadow:none}
html[data-theme="light"] .cert-cap{color:#0f1f33}
html[data-theme="light"] .case-cap{color:#42546c}

/* ============ 旧版 Tailwind 子页面的深色兼容覆盖 ============ */
html[data-theme="dark"] body.bg-gray-50{background:var(--bg)!important}
html[data-theme="dark"] body.text-gray-800{color:var(--text)!important}
html[data-theme="dark"] .bg-gray-50,
html[data-theme="dark"] .bg-gray-100{background:rgba(255,255,255,.03)!important}
html[data-theme="dark"] .bg-white{background:var(--panel)!important;color:var(--text)!important}
html[data-theme="dark"] .text-gray-800{color:var(--text)!important}
html[data-theme="dark"] .text-gray-600{color:var(--muted)!important}
html[data-theme="dark"] .text-gray-400{color:#7f90aa!important}
html[data-theme="dark"] .text-gray-200{color:#c4d2e6!important}
html[data-theme="dark"] .border-gray-300{border-color:var(--line)!important}
html[data-theme="dark"] .bg-blue-600{background:var(--brand)!important}
html[data-theme="dark"] .bg-blue-700{background:var(--brand-d)!important}
html[data-theme="dark"] .bg-blue-800{background:#0a8f52!important}
html[data-theme="dark"] .bg-blue-900,
html[data-theme="dark"] .from-blue-900,
html[data-theme="dark"] .to-indigo-800,
html[data-theme="dark"] .from-blue-900.to-indigo-800{background:#0a1424!important}
html[data-theme="dark"] .from-blue-500,
html[data-theme="dark"] .to-cyan-500,
html[data-theme="dark"] .from-purple-500,
html[data-theme="dark"] .to-purple-600,
html[data-theme="dark"] .from-teal-500,
html[data-theme="dark"] .to-teal-600,
html[data-theme="dark"] .from-green-500,
html[data-theme="dark"] .to-teal-500,
html[data-theme="dark"] .from-orange-500,
html[data-theme="dark"] .to-amber-500{background:linear-gradient(135deg,var(--brand),var(--blue))!important}
html[data-theme="dark"] .from-blue-50,
html[data-theme="dark"] .to-indigo-50{background:rgba(56,189,248,.06)!important}
html[data-theme="dark"] .text-white{color:#eaf1fb!important}
html[data-theme="dark"] .bg-blue-100{background:rgba(15,220,120,.12)!important;color:#cdeede!important}
html[data-theme="dark"] .text-blue-600,
html[data-theme="dark"] .text-blue-300,
html[data-theme="dark"] .text-blue-800,
html[data-theme="dark"] .text-indigo-600,
html[data-theme="dark"] .text-purple-600,
html[data-theme="dark"] .text-teal-600{color:var(--brand)!important}
html[data-theme="dark"] .hover\:bg-blue-100:hover{background:rgba(15,220,120,.18)!important}
html[data-theme="dark"] .hover\:text-blue-800:hover,
html[data-theme="dark"] .hover\:text-blue-600:hover{color:#fff!important}
html[data-theme="dark"] .bg-gray-900{background:#0a1322!important}
html[data-theme="dark"] a.text-gray-400:hover{color:#fff!important}
html[data-theme="dark"] .shadow-lg,
html[data-theme="dark"] .shadow-xl{box-shadow:0 18px 50px rgba(0,0,0,.45)!important}
html[data-theme="dark"] .bg-yellow-50{background:rgba(224,116,10,.08)!important}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .menu{display:none}
  .burger{display:flex}
  .nav-cta{display:none}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
  .section{padding:66px 0}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  /* 窄屏/手机端：隐藏底部菜单，只保留最精简的版权行 */
  .foot-grid{display:none}
  footer{padding:22px 0 18px;margin-top:50px}
  .foot-bottom{margin-top:0;padding-top:0;border-top:none;justify-content:center;text-align:center}
}
@media (max-width:720px){
  :root{--nav-h:60px}
  .logo-mark{width:40px;height:40px;border-radius:10px}
  .logo-txt .l1{font-size:18px;letter-spacing:2px}
  .logo-txt .l2{font-size:10px;letter-spacing:.24em}
  .g4,.g3,.g2{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr 1fr}
  .cert-grid{grid-template-columns:1fr}
  .section{padding:54px 0}
  .sec-head{margin-bottom:30px}
  .card{padding:20px}
  .hero{padding-top:calc(var(--nav-h) + 24px)}
  .banner-card{flex-direction:column;text-align:center;padding:22px 16px}
  .banner-card .hero-actions{justify-content:center}
  .slide-arrow{width:40px;height:40px;top:auto;bottom:70px;transform:none}
  .slide-arrow.prev{left:14px}
  .slide-arrow.next{right:14px}
  .dots{bottom:26px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
  .cta-band{padding:34px 20px}
  #globe{opacity:.6}
}

/* 无障碍：尊重减弱动效 */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .slide.on{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-slide.on{animation:none}
}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============================================================
   内页布局（关于 / 联系 / 资讯 / 产品 / 服务 / 案例）
   依赖已注入的 header/footer 与 theme.css，图片路径统一用绝对路径 /images/...
   ============================================================ */

/* 内页头部条 */
.page-hero{
  position:relative;z-index:1;overflow:hidden;
  padding:calc(var(--nav-h) + 62px) 0 54px;text-align:center;
  background:linear-gradient(120deg,#0FDC78,#38bdf8 36%,#8b5cf6 66%,#f43f5e);
  background-size:220% 220%;animation:ctaShift 14s ease-in-out infinite;
  border-bottom:none;
}
.page-hero h1{
  font-size:clamp(28px,4.6vw,44px);margin-bottom:14px;letter-spacing:.5px;
  background:none;-webkit-text-fill-color:#fff;color:#fff;text-shadow:0 2px 16px rgba(3,10,24,.28);
}
.page-hero p{color:rgba(255,255,255,.93);max-width:680px;margin:0 auto;font-size:clamp(14px,1.7vw,16px);text-shadow:0 1px 8px rgba(3,10,24,.22)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;margin-top:18px;font-size:13px;color:rgba(255,255,255,.8)}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.6}
.breadcrumb .cur{color:#fff}

/* 文章正文 */
.prose{margin:0 auto}
.prose p{margin:0 0 18px;color:#c2d0e4;line-height:1.9;font-size:15.5px}
.prose p:first-child{font-size:16.5px;color:#d6e2f2}
.lead{font-size:clamp(17px,2.2vw,20px);color:#dbe6f5;line-height:1.85;margin:0 0 22px}

/* 双栏图文 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split.reverse .split-media{order:-1}
.split h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px}
.split p{color:var(--muted);margin-bottom:14px}
.split .btn{margin-top:6px}
.split-media{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  min-height:260px;display:flex;align-items:center;justify-content:center;padding:30px;
}
.split-media i{font-size:72px;color:var(--brand);text-align:center}
.split-media img{width:100%;height:auto;border-radius:12px}

/* 图标特性卡 */
.ico-chip{
  width:54px;height:54px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(15,220,120,.16),rgba(56,189,248,.14));
  border:1px solid rgba(15,220,120,.28);color:var(--brand);font-size:24px;margin-bottom:16px;
}
.feature-list{display:grid;gap:9px;margin-top:14px}
.feature-list li{display:flex;align-items:flex-start;gap:8px;color:var(--muted);font-size:14px;line-height:1.6}
.feature-list li::before{content:"✓";color:var(--brand);font-weight:800;flex:0 0 auto;margin-top:1px}
.feature-list li i{color:var(--brand);width:18px;text-align:center}

/* 优势条 */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.adv{display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;transition:transform .2s,border-color .2s}
.adv:hover{transform:translateY(-3px);border-color:rgba(15,220,120,.36)}
.adv .ico{width:42px;height:42px;flex:0 0 auto;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(15,220,120,.12);border:1px solid rgba(15,220,120,.26);color:var(--brand);font-size:18px}
.adv span{font-weight:600;color:#e3ecf9;font-size:14.5px}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.contact-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.contact-card h2{font-size:22px;margin-bottom:14px}
.contact-card .sub{color:var(--muted);margin-bottom:22px;font-size:14.5px}
.info-list{display:grid;gap:18px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-item .ico{width:44px;height:44px;flex:0 0 auto;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);color:var(--blue);font-size:18px}
.info-item h3{font-size:15px;margin-bottom:4px;color:#e3ecf9}
.info-item p{color:var(--muted);font-size:13.8px;line-height:1.6}
.social{display:flex;gap:10px;margin-top:20px}
.social a{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--line);color:#cdd9ec;font-size:16px;transition:.2s}
.social a:hover{background:rgba(15,220,120,.14);border-color:rgba(15,220,120,.4);color:var(--brand);transform:translateY(-2px)}

/* 表单 */
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#dbe6f5}
.field label .req{color:#ff6b6b;margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;font-size:14.5px;font-family:inherit;
  background:rgba(255,255,255,.045);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:#6f82a0}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(15,220,120,.55);box-shadow:0 0 0 3px rgba(15,220,120,.16);background:rgba(255,255,255,.07);
}
.field-row{display:flex;gap:10px}
.field-row .field{flex:1;margin-bottom:0}
.btn-code{background:var(--bg2);border:1px solid var(--line);color:#dbe6f5;padding:0 16px;border-radius:11px;cursor:pointer;white-space:nowrap;font-size:14px;font-family:inherit}
.btn-code:hover{border-color:rgba(15,220,120,.5);color:var(--brand)}
.field-check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin:4px 0 18px}
.field-check input{margin-top:3px;accent-color:var(--brand)}
.field-check a{color:var(--brand)}
.map-wrap{height:420px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.map-wrap iframe{width:100%;height:100%;border:0;display:block}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s,border-color .25s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-5px);border-color:rgba(15,220,120,.36)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-tag{position:absolute;top:12px;left:12px;background:linear-gradient(135deg,var(--brand),var(--blue));color:#04240f;
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px}
.news-body{padding:18px;display:flex;flex-direction:column;flex:1}
.news-date{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;margin-bottom:10px}
.news-body h3{font-size:17px;line-height:1.45;margin-bottom:10px}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:14px;flex:1}
.news-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;margin-top:auto}
.news-more:hover{gap:10px}

/* 资讯详情 */
.article{margin:0 auto}
.article .meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px;margin-bottom:20px;flex-wrap:wrap}
.article .meta .tag{background:linear-gradient(135deg,var(--brand),var(--blue));color:#04240f;font-size:12.5px;font-weight:700;padding:5px 13px;border-radius:999px}
.article figure{margin:0 0 24px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--panel-2)}
.article figure img{width:100%;height:auto;display:block}
.article .back-link{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;margin-top:20px}
.article .back-link:hover{color:var(--brand)}
.pager-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line-2)}
.pager-nav a{color:var(--muted);font-size:14px}
.pager-nav a:hover{color:var(--brand)}
.pager-nav .nxt{max-width:48%;text-align:right}

/* 分页 */
.pager{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:40px}
.pager a{min-width:42px;height:42px;padding:0 14px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--panel);color:#cdd9ec;font-size:14px;transition:.2s}
.pager a:hover{border-color:rgba(15,220,120,.4);color:var(--brand)}
.pager a.active{background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#04240f;border-color:transparent;font-weight:700}
.pager a .fa-chevron-left,.pager a .fa-chevron-right{font-size:11px}

/* 团队 */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.team-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-align:center;
  transition:transform .25s,border-color .25s}
.team-card:hover{transform:translateY(-5px);border-color:rgba(15,220,120,.36)}
.team-photo{height:190px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(15,220,120,.12),rgba(56,189,248,.10));color:var(--brand);font-size:54px}
.team-body{padding:18px}
.team-body h3{font-size:17px;margin-bottom:4px}
.team-body .role{color:var(--brand);font-size:13.5px;margin-bottom:8px;font-weight:600}
.team-body p{color:var(--muted);font-size:13.5px;line-height:1.6}

/* 内页 CTA 里的电话 */
.cta-phone{display:inline-flex;align-items:center;gap:10px;margin-top:16px;font-size:22px;font-weight:800;
  font-family:var(--mono);color:#04240f}
.cta-phone a{color:#04240f}

/* 子页 hero 图标视觉块 */
.hero-visual{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px;text-align:center}
.hero-visual i{font-size:64px;color:var(--brand)}

/* 资质证书 3 列（与首页一致） */
.cert-grid.cert-3{grid-template-columns:repeat(3,1fr)}

/* ============ 浅色（白色）风格覆盖：内页 ============ */
html[data-theme="light"] .page-hero{
  background:linear-gradient(120deg,#0FDC78,#38bdf8 36%,#8b5cf6 66%,#f43f5e);
  background-size:220% 220%;animation:ctaShift 14s ease-in-out infinite;
}
html[data-theme="light"] .page-hero h1{background:none;-webkit-text-fill-color:#fff;color:#fff;text-shadow:0 2px 16px rgba(3,10,24,.28)}
html[data-theme="light"] .page-hero p{color:rgba(255,255,255,.93)}
html[data-theme="light"] .breadcrumb a,html[data-theme="light"] .breadcrumb .sep{color:rgba(255,255,255,.85)}
html[data-theme="light"] .breadcrumb .cur{color:#fff}
html[data-theme="light"] .prose p{color:#3a4a60}
html[data-theme="light"] .prose p:first-child{color:#0f1f33}
html[data-theme="light"] .split p{color:#5b6b82}
html[data-theme="light"] .feature-list li{color:#42546c}
html[data-theme="light"] .adv span{color:#0f1f33}
html[data-theme="light"] .contact-card .sub{color:#5b6b82}
html[data-theme="light"] .info-item h3{color:#0f1f33}
html[data-theme="light"] .info-item p{color:#5b6b82}
html[data-theme="light"] .field label{color:#27405c}
html[data-theme="light"] .field input,html[data-theme="light"] .field select,html[data-theme="light"] .field textarea{background:rgba(15,30,60,.035);border-color:var(--line);color:#0f1f33}
html[data-theme="light"] .field input::placeholder,html[data-theme="light"] .field textarea::placeholder{color:#90a0b6}
html[data-theme="light"] .field input:focus,html[data-theme="light"] .field select:focus,html[data-theme="light"] .field textarea:focus{border-color:rgba(224,116,10,.5);box-shadow:0 0 0 3px rgba(224,116,10,.14);background:#fff}
html[data-theme="light"] .btn-code{background:#fff;border-color:var(--line);color:#27405c}
html[data-theme="light"] .field-check{color:#5b6b82}
html[data-theme="light"] .news-body p{color:#5b6b82}
html[data-theme="light"] .news-body h3{color:#0f1f33}
html[data-theme="light"] .team-body p{color:#5b6b82}
html[data-theme="light"] .team-body h3{color:#0f1f33}
html[data-theme="light"] .pager a{color:#42546c;background:rgba(15,30,60,.035)}
html[data-theme="light"] .pager a:hover{color:#0f1f33}
html[data-theme="light"] .contact-card{background:rgba(15,30,60,.035)}
html[data-theme="light"] .hero-visual{background:rgba(15,30,60,.04)}

/* ============ 旧版 main.js 依赖的工具类回退（无 Tailwind 后保留表单反馈样式） ============ */
.bg-green-600{background:#16a34a!important}
.bg-red-600{background:#dc2626!important}
.bg-blue-600{background:#2563eb!important}
.text-white{color:#fff!important}
.text-red-600{color:#ff6b6b!important}
.border-red-500{border-color:#ff6b6b!important}
.hidden{display:none!important}
.block{display:block!important}
.opacity-0{opacity:0}
.opacity-100{opacity:1}
.mx-auto{margin-left:auto;margin-right:auto}
.fade-in{opacity:1}
.loader{width:18px;height:18px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 内页响应式 ============ */
@media (max-width:980px){
  .contact-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .split{grid-template-columns:1fr;gap:26px}
  .split.reverse .split-media{order:0}
  .news-grid{grid-template-columns:1fr}
  .adv-grid{grid-template-columns:1fr 1fr}
  .team-grid{grid-template-columns:1fr 1fr}
  .contact-card{padding:22px}
}