/* ===================================================================
 * 元序界 v7.0 — 极致视觉 · 深色Hero · 玻璃卡片 · 渐变层次
 * 保留全部v5动效
 * =================================================================== */

:root {
  --white: #fff; --off-white: #f7f8fc; --light-bg: #eef1f8;
  --border: #e2e6f0; --border-strong: #cdd3e0;
  --text: #0f172a; --text-2: #475569; --text-3: #94a3b8;
  --dark: #0b0f1a; --darker: #060912; --darkest: #03050c;
  --accent: #2563eb; --accent-dark: #1d4ed8;
  --accent-light: rgba(37,99,235,0.06); --accent-glow: rgba(37,99,235,0.25);
  --accent-2: #06b6d4;
  --highlight: #f59e0b;
  --gradient-1: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --gradient-2: linear-gradient(135deg, #4f46e5 0%, #2563eb 50%, #06b6d4 100%);
  --gradient-dark: linear-gradient(180deg, #0b0f1a 0%, #060912 100%);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.1);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.14);
  --radius-sm: 8px; --radius-md: 14px; --radius-lg: 20px; --radius-xl: 28px;
  --container: 1280px; --nav-h: 80px;
  --easing: cubic-bezier(0.16, 1, 0.3, 1);
  --font: -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;background:var(--white);scroll-padding-top:100px}
body{font-family:var(--font);background:var(--white);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-weight:400}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none;transition:color .3s}
a:hover{color:var(--accent-2)}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}

/* ===== 布局 ===== */
.container{max-width:var(--container);margin:0 auto;padding:0 40px;position:relative}
.section{padding:140px 0;position:relative}
.section+.section{padding-top:0}
.section-sm{padding:100px 0}
.section-dark{background:var(--gradient-dark);color:#fff;position:relative}
.section-dark::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 800px 500px at 30% 50%,rgba(37,99,235,0.06),transparent),radial-gradient(ellipse 600px 400px at 70% 30%,rgba(6,182,212,0.04),transparent);pointer-events:none}
.section-dark .section-heading{color:#fff;position:relative;z-index:1}
.section-dark .section-desc{color:rgba(255,255,255,0.5);position:relative;z-index:1}
.section-dark .section-label{color:var(--accent-2);position:relative;z-index:1}
.section-dark .section-label::after{background:var(--accent-2)}
.section-bg{background:var(--off-white);position:relative}
.section-bg::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='0.8' fill='%232563eb' opacity='0.04'/%3E%3C/svg%3E");pointer-events:none}
.section-header{margin-bottom:80px;max-width:900px}
.section-header.centered{margin-left:auto;margin-right:auto;text-align:center}
.section-label{display:inline-flex;align-items:center;gap:10px;font-size:11px;font-weight:700;color:var(--accent);letter-spacing:3px;text-transform:uppercase;margin-bottom:24px}
.section-label::after{content:'';width:32px;height:2px;background:var(--gradient-1);border-radius:2px}
.section-heading{font-size:clamp(32px,4.5vw,50px);font-weight:800;line-height:1.1;color:var(--text);margin-bottom:20px;letter-spacing:-1.5px}
.section-heading .hl{background:var(--gradient-2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-heading .hl.geo-gradient-title{background:linear-gradient(135deg,#60a5fa,#22d3ee,#a78bfa);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradShift 4s ease-in-out infinite}@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.geo-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;background:var(--accent-light);border:1px solid rgba(37,99,235,.15);border-radius:50px;font-size:11px;color:var(--accent);letter-spacing:3px;font-weight:700;margin-bottom:20px}
.geo-badge .geo-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.2;transform:scale(.7)}}
.section-desc{font-size:17px;color:var(--text-2);line-height:1.75;max-width:600px}
.section-header.centered .section-desc{margin:0 auto}

/* ===== 波浪分割线 ===== */
.section-divider{height:60px;position:relative;overflow:hidden;background:var(--off-white)}
.section-divider::after{content:'';position:absolute;bottom:0;left:0;right:0;height:30px;background:var(--white);border-radius:50% 50% 0 0;transform:scaleX(1.5)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 32px;border-radius:50px;font-size:15px;font-weight:600;cursor:pointer;transition:all .35s var(--easing);border:none;white-space:nowrap;line-height:1.4;position:relative;overflow:hidden}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 32px var(--accent-glow)}
.btn-accent{background:var(--highlight);color:#0f172a;font-weight:700}
.btn-accent:hover{background:#f59e0b;transform:translateY(-2px);box-shadow:0 12px 32px rgba(245,158,11,0.35)}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--border-strong)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.btn-ghost{background:rgba(255,255,255,0.05);color:#fff;border:1.5px solid rgba(255,255,255,0.2);backdrop-filter:blur(10px)}
.btn-ghost:hover{background:rgba(255,255,255,0.1);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-lg{padding:18px 40px;font-size:17px}

/* ===== 导航 ===== */
.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-h);display:flex;align-items:center;z-index:1000;transition:all .4s var(--easing);background:transparent}
.navbar.scrolled{background:rgba(255,255,255,0.88);-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);border-bottom:1px solid var(--border);box-shadow:0 2px 20px rgba(0,0,0,0.04)}
.nav-wrapper{display:flex;justify-content:space-between;align-items:center;width:100%;gap:24px}
.logo{display:flex;align-items:center;gap:12px;font-weight:700;color:#fff;flex-shrink:0}
.navbar.scrolled .logo{color:var(--text)}
.logo-icon{width:40px;height:40px;background:var(--gradient-1);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:19px;font-weight:800;box-shadow:0 4px 16px var(--accent-glow)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text span{font-size:18px;font-weight:700;letter-spacing:0.5px}
.logo-text small{font-size:9px;color:rgba(255,255,255,0.5);letter-spacing:3px;text-transform:uppercase}
.navbar.scrolled .logo-text small{color:var(--text-3)}
.nav-menu{display:flex;gap:2px;align-items:center}
.nav-menu>li{position:relative}
.nav-menu>li>a{color:rgba(255,255,255,0.75);padding:10px 16px;border-radius:8px;font-size:14px;font-weight:500;transition:all .25s;display:flex;align-items:center;gap:4px;white-space:nowrap;cursor:pointer}
.navbar.scrolled .nav-menu>li>a{color:var(--text-2)}
.nav-menu>li>a:hover{color:#fff;background:rgba(255,255,255,0.08)}
.navbar.scrolled .nav-menu>li>a:hover{color:var(--accent);background:var(--accent-light)}
.nav-menu .dropdown{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);background:rgba(255,255,255,0.97);border:1px solid var(--border);border-radius:var(--radius-md);padding:8px 0;min-width:200px;opacity:0;visibility:hidden;transition:all .25s var(--easing);box-shadow:var(--shadow-xl);backdrop-filter:blur(20px);z-index:200}
.nav-menu>li:hover .dropdown{opacity:1;visibility:visible}
.nav-menu .dropdown a{display:block;padding:11px 22px;font-size:13.5px;color:var(--text-2);transition:all .15s}
.nav-menu .dropdown a:hover{background:var(--accent-light);color:var(--accent)}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-phone{font-size:15px;font-weight:600;color:rgba(255,255,255,0.85)}.navbar.scrolled .nav-phone{color:var(--text)}
.nav-cta{padding:10px 22px!important;background:var(--gradient-1)!important;color:#fff!important;border-radius:50px!important;font-weight:600;font-size:14px!important;box-shadow:0 4px 16px var(--accent-glow)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px var(--accent-glow)!important;color:#fff!important}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;font-size:22px;color:#fff;border:1px solid rgba(255,255,255,0.2);border-radius:10px}.navbar.scrolled .nav-toggle{color:var(--text);border-color:var(--border)}

/* ===== Hero — 深色科技风 ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:var(--darkest)}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 1000px 700px at 40% 20%,rgba(37,99,235,0.15),transparent),radial-gradient(ellipse 800px 500px at 70% 60%,rgba(6,182,212,0.08),transparent),radial-gradient(ellipse 500px 400px at 20% 80%,rgba(79,70,229,0.06),transparent);pointer-events:none;z-index:0}
.hero-bg-orb{position:absolute;border-radius:50%;filter:blur(150px);pointer-events:none;z-index:0;will-change:transform}
.hero-bg-orb.o1{width:900px;height:900px;background:rgba(37,99,235,0.08);top:-300px;right:-250px}
.hero-bg-orb.o2{width:650px;height:650px;background:rgba(6,182,212,0.05);bottom:-200px;left:-200px}
.hero-bg-orb.o3{width:500px;height:500px;background:rgba(79,70,229,0.05);top:50%;left:50%}
.hero-grid-overlay{position:absolute;inset:0;z-index:0;background-image:linear-gradient(rgba(255,255,255,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.025) 1px,transparent 1px);background-size:80px 80px;mask-image:radial-gradient(ellipse at 50% 35%,black 20%,transparent 70%)}
#particles-canvas{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero-content{position:relative;z-index:2;max-width:1100px;margin:0 auto;padding:0 40px;text-align:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 20px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:50px;color:var(--accent-2);font-size:12px;font-weight:600;letter-spacing:2px;margin-bottom:40px;backdrop-filter:blur(12px)}
.hero-eyebrow .dot{width:5px;height:5px;background:var(--accent-2);border-radius:50%;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.2;transform:scale(0.6)}}
.hero-title{font-size:clamp(52px,7.5vw,92px);font-weight:900;line-height:1.03;margin-bottom:32px;letter-spacing:-2.5px;color:#fff}
.hero-title .hl{background:linear-gradient(135deg,#60a5fa 0%,#22d3ee 50%,#a78bfa 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-title .hl-cine{background:linear-gradient(135deg,#818cf8,#38bdf8,#34d399);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradShift 4s ease-in-out infinite}@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero-tagline{font-size:clamp(18px,2vw,22px);color:rgba(255,255,255,0.65);margin:0 auto 12px;line-height:1.6;max-width:640px;font-weight:500;text-align:center}
.hero-tagline .hl{color:var(--accent-2);font-weight:700;display:inline-block;transition:opacity .4s,transform .4s}
.hero-tagline .hl.fade-out{opacity:0;transform:translateY(-8px)}
.hero-sub{font-size:14px;color:var(--accent-2);letter-spacing:2px;text-transform:uppercase;font-weight:700;margin-bottom:40px;opacity:0.8;text-align:center}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:100px;max-width:920px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-lg);overflow:hidden;backdrop-filter:blur(16px)}
.hero-stat{padding:36px 28px;text-align:center;background:rgba(11,15,26,0.7);transition:all .4s}
.hero-stat:hover{background:rgba(255,255,255,0.04)}
.hero-stat .num{font-size:44px;font-weight:900;color:#fff;line-height:1;margin-bottom:8px}
.hero-stat .num.accent{background:linear-gradient(135deg,#818cf8,#38bdf8,#34d399);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradShift 4s ease-in-out infinite}
.hero-stat .lbl{font-size:13px;color:rgba(255,255,255,0.35);letter-spacing:0.5px}
.hero-scroll-indicator{position:absolute;bottom:44px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;animation:floatUpDown 2.5s ease-in-out infinite}@keyframes floatUpDown{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-12px)}}
.hero-scroll-indicator span{font-size:10px;letter-spacing:4px;color:rgba(255,255,255,0.25)}
.hero-scroll-indicator .mouse{width:24px;height:36px;border:2px solid rgba(255,255,255,0.2);border-radius:14px;position:relative}.hero-scroll-indicator .mouse::after{content:'';width:3px;height:8px;background:var(--accent-2);border-radius:2px;position:absolute;top:7px;left:50%;transform:translateX(-50%);animation:scrollWheel 1.5s ease-in-out infinite}@keyframes scrollWheel{0%{opacity:1;top:7px}100%{opacity:0;top:20px}}

/* ===== 引擎条 ===== */
.engines-strip{padding:44px 0;text-align:center;background:var(--white);border-bottom:1px solid var(--border);position:relative;overflow:hidden}
.engines-strip::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-1)}
.engines-label{font-size:11px;color:var(--text-3);margin-bottom:16px;letter-spacing:4px;text-transform:uppercase;font-weight:700}
.engine-chip{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--white);border:1px solid var(--border);border-radius:10px;font-size:13.5px;font-weight:500;color:var(--text-2);transition:all .3s;white-space:nowrap;flex-shrink:0}
.engine-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light);transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,0.06)}
.engine-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.marquee{overflow:hidden;padding:4px 0}
.marquee-track{display:flex;gap:10px;animation:marquee 28s linear infinite;width:max-content}
.marquee-track:hover{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ===== 卡片 — 玻璃质感 ===== */
.grid{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(420px,1fr))}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* === Why GEO 赛博科技风 === */
.geo-section{position:relative;overflow:hidden}
.geo-section .geo-scanline{position:absolute;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,rgba(96,165,250,.4),transparent);animation:geoScan 4s linear infinite;pointer-events:none;z-index:5;box-shadow:0 0 12px rgba(96,165,250,.35)}@keyframes geoScan{0%{top:0}100%{top:100%}}
.geo-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;position:relative;z-index:2}
.geo-text h2{font-size:clamp(34px,4vw,52px);font-weight:900;line-height:1.08;color:var(--text);margin-bottom:16px;letter-spacing:-1.5px}
.geo-text h2 .hl{color:var(--accent)}
.geo-text .geo-sub{color:var(--text-2);font-size:15px;line-height:1.8;max-width:380px}
.geo-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.geo-card{background:rgba(96,165,250,.02);border:1px solid rgba(96,165,250,.08);border-radius:8px;padding:28px 22px;cursor:pointer;transition:all .4s;position:relative;clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%)}
.geo-card:hover{background:rgba(96,165,250,.05);border-color:rgba(96,165,250,.4);box-shadow:0 0 24px rgba(96,165,250,.15),inset 0 0 20px rgba(6,182,212,.03);transform:translateY(-4px)}
.geo-card .geo-corner{position:absolute;width:14px;height:14px;border-color:rgba(96,165,250,.35);transition:all .4s}
.geo-card .geo-corner.tl{top:5px;left:5px;border-top:1px solid;border-left:1px solid}
.geo-card .geo-corner.br{bottom:5px;right:5px;border-bottom:1px solid;border-right:1px solid}
.geo-card:hover .geo-corner{border-color:#60a5fa}
.geo-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}
.geo-card p{font-size:13px;color:var(--text-2);line-height:1.65}
@media(max-width:800px){.geo-layout{grid-template-columns:1fr;gap:30px}}

/* === 服务卡片（深色无间距网格） === */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.06)}
.svc-card{padding:36px 28px;background:var(--dark);transition:all .4s cubic-bezier(.16,1,.3,1);cursor:pointer;position:relative;overflow:hidden}
.svc-card::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(96,165,250,.08),transparent 50%);opacity:0;transition:opacity .4s;pointer-events:none;z-index:0}
.svc-card:hover::before{opacity:1}
.svc-card:hover{background:#1a2538;transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.3)}
.svc-card .svc-no{font-size:36px;font-weight:900;color:rgba(255,255,255,.04);line-height:1;margin-bottom:14px;transition:all .5s;position:relative;z-index:1}
.svc-card:hover .svc-no{color:rgba(96,165,250,.08);transform:scale(1.2) translate(4px,-4px)}
.svc-card h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px;transition:transform .3s;position:relative;z-index:1}
.svc-card:hover h3{transform:translateX(4px)}
.svc-card p{font-size:13px;color:rgba(255,255,255,.45);line-height:1.6;margin-bottom:14px;position:relative;z-index:1;transition:color .4s}
.svc-card:hover p{color:rgba(255,255,255,.6)}
.svc-card .svc-link{font-size:13px;font-weight:600;color:#60a5fa;transition:all .3s;position:relative;z-index:1;display:inline-flex;align-items:center;gap:4px}
.svc-card:hover .svc-link{gap:8px}
.svc-card.cta{background:linear-gradient(135deg,#2563eb,#06b6d4)}
.svc-card.cta::before{background:radial-gradient(circle at var(--mx) var(--my),rgba(255,255,255,.1),transparent 50%)}
.svc-card.cta .svc-no{color:rgba(255,255,255,.15)}.svc-card.cta h3,.svc-card.cta p{color:#fff}.svc-card.cta .svc-link{color:rgba(255,255,255,.9)}
@media(max-width:800px){.svc-grid{grid-template-columns:1fr 1fr}}

/* 默认卡片 */
.card{position:relative;padding:0;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all .4s;overflow:hidden}
.card:hover{box-shadow:0 20px 50px rgba(0,0,0,.1);border-color:var(--accent)}
.card .glare{position:absolute;inset:0;opacity:0;z-index:0;pointer-events:none}
.card-top{height:5px;transition:height .3s;position:relative;z-index:1}.card:hover .card-top{height:7px}
.card-top.c1{background:linear-gradient(90deg,#2563eb,#06b6d4)}.card-top.c2{background:linear-gradient(90deg,#06b6d4,#6366f1)}.card-top.c3{background:linear-gradient(90deg,#6366f1,#a78bfa)}.card-top.c4{background:linear-gradient(90deg,#f59e0b,#ef4444)}
.card-body{padding:32px;position:relative;z-index:1}
.card-body .num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:2px;margin-bottom:12px}
.card-body h3{font-size:19px;font-weight:700;margin-bottom:10px;color:var(--text)}
.card-body p{color:var(--text-2);font-size:14.5px;line-height:1.8}
.card-icon{width:48px;height:48px;border-radius:12px;background:var(--gradient-1);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:20px;color:#fff;transition:all .3s}.card:hover .card-icon{transform:scale(1.1)}
.card-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--accent);font-size:14px;font-weight:600;transition:all .3s}.card:hover .card-link{color:#fff}
.card-link:hover{gap:14px}.card-link .arrow{transition:transform .3s}.card-link:hover .arrow{transform:translateX(5px)}

.card-img{height:200px;margin:0;position:relative;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;display:block}
.card-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60px;background:linear-gradient(to top,var(--white),transparent);pointer-events:none}
.card-img.g1{background:linear-gradient(135deg,#dbeafe 0%,#bfdbfe 50%,#93c5fd 100%)}
.card-img.g2{background:linear-gradient(135deg,#cffafe 0%,#a5f3fc 50%,#67e8f9 100%)}
.card-img.g3{background:linear-gradient(135deg,#e0e7ff 0%,#c7d2fe 50%,#a5b4fc 100%)}
.card-img.g4{background:linear-gradient(135deg,#fef3c7 0%,#fde68a 50%,#fcd34d 100%)}
.card-img.g5{background:linear-gradient(135deg,#fce7f3 0%,#fbcfe8 50%,#f9a8d4 100%)}
.card-highlight{background:var(--gradient-2)!important;border-color:transparent!important;box-shadow:0 12px 40px var(--accent-glow)!important}.card-highlight::before{display:none}.card-highlight h3,.card-highlight p{color:#fff!important}.card-highlight .card-link{color:#fff!important}.card-highlight .card-icon{background:rgba(255,255,255,0.2)}

/* ===== 关于我们·边框流光卡片 ===== */
.about-glow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1100px}
.about-glow-wrap{position:relative;border-radius:20px;padding:2px;background:#e8ecf2;transition:all .5s;overflow:hidden}
.about-glow-wrap::before{content:'';position:absolute;inset:-2px;border-radius:22px;background:conic-gradient(from 0deg,transparent,#2563eb,transparent,#06b6d4,transparent);opacity:0;transition:opacity .5s;animation:agSpin 3s linear infinite;z-index:0}@keyframes agSpin{to{transform:rotate(360deg)}}
.about-glow-wrap:hover::before{opacity:1}
.about-glow-wrap:hover{transform:translateY(-6px);box-shadow:0 20px 48px rgba(37,99,235,0.08)}
.about-glow-card{background:#fff;border-radius:18px;padding:0;text-align:center;position:relative;z-index:1;transition:all .4s;cursor:pointer;height:100%;overflow:hidden}
.about-glow-card .ag-img{width:100%;aspect-ratio:16/10;overflow:hidden;position:relative}
.about-glow-card .ag-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.about-glow-wrap:hover .ag-img img{transform:scale(1.04)}
.about-glow-card .ag-img .ag-glow-line{position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.35),transparent);transform:skewX(-20deg);transition:left .8s;pointer-events:none}
.about-glow-wrap:hover .ag-glow-line{left:150%}
.about-glow-card h3{font-size:17px;font-weight:700;color:#0f172a;margin:20px 24px 8px}
.about-glow-card p{font-size:13px;color:#64748b;line-height:1.75;margin:0 24px 20px}
.about-glow-card .ag-indicators{display:flex;justify-content:center;gap:8px;margin-bottom:28px}
.about-glow-card .ag-indicators .ag-ind{width:24px;height:3px;border-radius:2px;background:#e2e8f0;transition:all .5s}
.about-glow-wrap:hover .ag-ind{background:#2563eb}
.about-glow-wrap:hover .ag-ind:nth-child(2){width:36px;background:#06b6d4}
@media(max-width:900px){.about-glow-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}}

/* Dark section cards */
.section-dark .card{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.06);backdrop-filter:blur(8px)}
.section-dark .card:hover{border-color:rgba(255,255,255,0.15);background:rgba(255,255,255,0.05);box-shadow:0 24px 60px rgba(0,0,0,0.4)}
.section-dark .card h3{color:#fff}.section-dark .card p{color:rgba(255,255,255,0.5)}
.section-dark .card-img::after{background:linear-gradient(to top,var(--dark),transparent)}

/* ===== 案例 + 轮播 ===== */
.cases-carousel{position:relative;overflow:hidden;padding:4px}
.cases-track{display:flex;gap:32px;transition:transform .6s var(--easing);cursor:grab}
.cases-track:active{cursor:grabbing}
.case-card{min-width:400px;flex-shrink:0;display:flex;flex-direction:column;background:var(--white);border-radius:var(--radius-lg);overflow:hidden;transition:all .45s var(--easing);cursor:pointer;text-decoration:none;color:var(--text);box-shadow:var(--shadow-md)}
.case-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-xl)}
.case-cover{aspect-ratio:16/9;position:relative;overflow:hidden}
.case-cover img{width:100%;height:100%;object-fit:cover;display:block}
.case-cover.bg1{background:linear-gradient(135deg,#1e3a5f,#0b111e)}.case-cover.bg2{background:linear-gradient(135deg,#1a3a44,#0b111e)}.case-cover.bg3{background:linear-gradient(135deg,#3a1a4a,#0b111e)}.case-cover.bg4{background:linear-gradient(135deg,#3a2a1a,#0b111e)}.case-cover.bg5{background:linear-gradient(135deg,#1a2a3a,#0b111e)}.case-cover.bg6{background:linear-gradient(135deg,#2a3a1a,#0b111e)}
.case-cover::after{content:'';position:absolute;bottom:0;left:0;right:0;height:50%;background:linear-gradient(to top,rgba(0,0,0,0.6),transparent)}
.case-badge{position:absolute;top:16px;left:16px;padding:6px 14px;background:rgba(0,0,0,0.5);color:#fff;font-size:12px;font-weight:600;border-radius:8px;backdrop-filter:blur(10px);z-index:2;letter-spacing:0.5px}
.case-card-body{padding:28px;flex:1;display:flex;flex-direction:column}
.case-card-body h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.4}
.case-card-body>p{color:var(--text-2);font-size:14px;line-height:1.75;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.case-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.case-tag{padding:5px 14px;background:var(--accent-light);color:var(--accent);font-size:12px;font-weight:600;border-radius:8px}
.carousel-nav{display:flex;gap:10px;justify-content:center;margin-top:32px}
.carousel-dot{width:10px;height:10px;border-radius:50%;background:var(--border-strong);cursor:pointer;transition:all .3s}
.carousel-dot.active{background:var(--accent);box-shadow:0 0 12px var(--accent-glow);width:32px;border-radius:6px}

/* ===== 全幅大图轮播（首页案例区） ===== */
.section-cases-slider{background:var(--darkest);padding:100px 0 80px}
.section-cases-slider .section-heading{color:#fff}
.section-cases-slider .section-desc{color:rgba(255,255,255,0.4)}
.section-cases-slider .section-label{color:#818cf8}
.section-cases-slider .section-label::after{background:linear-gradient(90deg,#818cf8,transparent)}
.section-cases-slider .btn-outline{color:#fff;border-color:rgba(255,255,255,0.2)}
.section-cases-slider .btn-outline:hover{border-color:#818cf8;color:#818cf8;background:rgba(129,140,248,0.06)}
.cases-full-slider{position:relative;max-width:1200px;margin:0 auto;overflow:hidden;border-radius:16px;cursor:pointer}
.cfs-track{display:flex;transition:transform .6s cubic-bezier(.23,1,.32,1)}
.cfs-slide{min-width:100%;position:relative;aspect-ratio:21/9;display:flex;align-items:flex-end}
.cfs-slide .cfs-bg{position:absolute;inset:0}
.cfs-slide .cfs-bg img{width:100%;height:100%;object-fit:cover;display:block}
.cfs-slide .cfs-gradient{position:absolute;inset:0;background:linear-gradient(to top,rgba(3,5,12,0.95) 0%,rgba(3,5,12,0.25) 45%,rgba(3,5,12,0.02) 100%)}
.cfs-slide .cfs-content{position:relative;z-index:2;padding:40px 48px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;width:100%}
.cfs-slide .cfs-content .cfs-text{flex:1;min-width:0}
.cfs-slide .cfs-content .cfs-badge{display:inline-block;padding:4px 12px;background:rgba(129,140,248,0.12);border:1px solid rgba(129,140,248,0.2);border-radius:4px;font-size:10.5px;font-weight:600;color:#a5b4fc;margin-bottom:12px}
.cfs-slide .cfs-content .cfs-text h3{font-size:28px;font-weight:800;color:#fff;margin-bottom:8px}
.cfs-slide .cfs-content .cfs-text p{font-size:14px;color:rgba(255,255,255,0.5);line-height:1.7;max-width:520px;margin-bottom:14px}
.cfs-slide .cfs-content .cfs-tags{display:flex;gap:6px;flex-wrap:wrap}
.cfs-slide .cfs-content .cfs-tag{padding:4px 12px;background:rgba(129,140,248,0.08);border:1px solid rgba(129,140,248,0.12);border-radius:4px;font-size:10.5px;color:#a5b4fc;font-weight:500}
.cfs-slide .cfs-content .cfs-idx{font-size:48px;font-weight:900;color:rgba(255,255,255,0.03);flex-shrink:0;align-self:flex-end}
.cfs-arrows{position:absolute;top:50%;left:0;right:0;transform:translateY(-50%);pointer-events:none;z-index:5;display:flex;justify-content:space-between;padding:0 18px}
.cfs-arrow{width:48px;height:48px;border-radius:50%;background:rgba(0,0,0,0.4);border:1px solid rgba(255,255,255,0.1);color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s;pointer-events:auto;backdrop-filter:blur(10px)}
.cfs-arrow:hover{background:rgba(129,140,248,0.2);border-color:rgba(129,140,248,0.35);transform:scale(1.08)}
.cfs-dots{display:flex;gap:6px;justify-content:center;margin-top:24px}
.cfs-dot{width:28px;height:3px;border-radius:2px;background:rgba(255,255,255,0.1);cursor:pointer;transition:all .4s}
.cfs-dot.active{background:#818cf8;box-shadow:0 0 8px rgba(129,140,248,0.35)}
@media(max-width:900px){
  .cfs-slide{aspect-ratio:16/9}
  .cfs-slide .cfs-content{padding:28px}
  .cfs-slide .cfs-content h3{font-size:22px}
  .cfs-slide .cfs-content p{font-size:13px;max-width:100%}
  .cfs-slide .cfs-content .cfs-idx{font-size:36px}
}

/* ===== 统计条 ===== */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg)}
.trust-item{padding:52px 36px;text-align:center;transition:all .4s;position:relative}
.trust-item+.trust-item{border-left:1px solid var(--border)}
.trust-item:hover{background:var(--accent-light)}
.trust-item:hover .trust-num{transform:scale(1.08)}
.trust-num{font-size:52px;font-weight:900;line-height:1;margin-bottom:10px;transition:transform .4s var(--easing);display:inline-block}
.trust-num .count-up{background:var(--gradient-2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.trust-num small{font-size:28px;font-weight:700;color:var(--accent);-webkit-text-fill-color:var(--accent)}
.trust-label{font-size:14px;color:var(--text-2);font-weight:700;margin-bottom:4px}
.trust-sublabel{font-size:11px;color:var(--text-3);font-weight:400;line-height:1.5}

/* ===== 时间线 ===== */
.timeline{max-width:840px;margin:0 auto;position:relative;padding:8px 0}
.timeline::before{content:"";position:absolute;left:36px;top:0;bottom:0;width:2px;background:var(--gradient-1);opacity:0.15;border-radius:1px}
.timeline-item{position:relative;padding:0 0 52px 88px;opacity:0;transform:translateX(-24px);transition:all .6s var(--easing)}
.timeline-item.visible{opacity:1;transform:translateX(0)}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:28px;top:6px;width:18px;height:18px;border-radius:50%;background:var(--white);border:4px solid var(--accent);box-shadow:0 0 0 8px var(--accent-light);transition:all .4s;z-index:1}
.timeline-item.visible::before{box-shadow:0 0 0 16px rgba(37,99,235,0)}.timeline-item:hover::before{transform:scale(1.3);border-color:var(--accent-2)}
.timeline-date{font-size:12px;color:var(--accent);font-weight:700;margin-bottom:8px;letter-spacing:2px}
.timeline-title{font-size:19px;font-weight:700;margin-bottom:10px;color:var(--text)}
.timeline-desc{color:var(--text-2);font-size:14px;line-height:1.9}

/* ===== 对比表 ===== */
/* === 定价双卡片 === */
.pricing-cards{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:900px;margin:0 auto}
.pricing-cards.pricing-3col{grid-template-columns:1fr 1fr 1fr;max-width:1100px}
.pricing-cards.pricing-3col .price-plan.recommended{background:#eff6ff;border-color:#93c5fd;box-shadow:0 4px 24px rgba(37,99,235,.1);padding:44px 36px;margin:0}
.price-plan{background:var(--white);border:1px solid var(--border);border-radius:16px;padding:44px 36px;transition:all .3s;cursor:pointer}
.price-plan:hover{transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.1)}
.price-plan.recommended{border-color:var(--accent);box-shadow:0 8px 32px rgba(37,99,235,.08)}
.price-plan .price-name{font-size:24px;font-weight:800;color:var(--text);margin-bottom:6px}
.price-plan .price-amount{font-size:36px;font-weight:900;color:var(--accent);margin-bottom:6px}
.price-plan .price-amount small{font-size:16px;font-weight:500;color:var(--text-3)}
.price-plan .price-desc{font-size:14px;color:var(--text-2);margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.price-plan ul li{padding:10px 0;font-size:14px;color:var(--text-2);border-bottom:1px solid rgba(0,0,0,.03);display:flex;align-items:center;gap:10px}
.price-plan ul li::before{content:'✓';color:var(--accent);font-weight:700;width:20px;flex-shrink:0}
.price-plan ul li.no::before{content:'—';color:var(--text-3)}
@media(max-width:900px){.pricing-cards.pricing-3col{grid-template-columns:1fr;max-width:500px}}

/* ===== FAQ ===== */
.faq-grid-outer{max-width:900px;margin:0 auto}
.faq-group{margin-bottom:36px;padding:40px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all .4s;box-shadow:var(--shadow-sm)}
.faq-group:hover{border-color:var(--accent);box-shadow:var(--shadow-lg)}
.faq-group-header{display:flex;align-items:center;gap:20px;padding-bottom:26px;margin-bottom:26px;border-bottom:1px solid var(--border)}
.faq-group-icon{width:52px;height:52px;border-radius:14px;background:var(--gradient-1);display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;color:#fff;box-shadow:0 8px 24px var(--accent-glow)}
.faq-group-title h3{font-size:20px;font-weight:700;margin-bottom:4px}
.faq-item{border-bottom:1px solid var(--border);padding:20px 0;transition:all .3s}
.faq-item:last-child{border-bottom:none}
.faq-item summary{display:flex;align-items:center;gap:16px;cursor:pointer;padding:8px 0;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover .faq-q-text{color:var(--accent)}
.faq-q-badge{min-width:42px;height:30px;background:var(--accent-light);color:var(--accent);font-size:12px;font-weight:700;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.faq-q-text{flex:1;font-size:16px;font-weight:600;color:var(--text);transition:color .2s}
.faq-toggle{width:22px;height:22px;position:relative;flex-shrink:0}
.faq-toggle::before,.faq-toggle::after{content:"";position:absolute;background:var(--text-2);top:50%;left:50%;transform:translate(-50%,-50%);transition:all .3s;border-radius:1px}
.faq-toggle::before{width:14px;height:2px}.faq-toggle::after{width:2px;height:14px}
.faq-item[open] .faq-toggle::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-answer{padding:18px 0 8px 58px;color:var(--text-2);line-height:1.95;font-size:15px;animation:fadeIn .4s var(--easing)}@keyframes fadeIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* ===== 新闻卡片 ===== */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:32px}
.news-card{display:flex;flex-direction:column;background:var(--white);border-radius:var(--radius-lg);overflow:hidden;transition:all .45s var(--easing);text-decoration:none;color:var(--text);box-shadow:var(--shadow-sm)}
.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl)}
.news-cover{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;font-size:52px;transition:transform .5s}.news-card:hover .news-cover{transform:scale(1.04)}
.news-cover.nc1{background:linear-gradient(135deg,#dbeafe,#93c5fd)}.news-cover.nc2{background:linear-gradient(135deg,#e0e7ff,#a5b4fc)}.news-cover.nc3{background:linear-gradient(135deg,#d1fae5,#6ee7b7)}
.news-body{padding:26px 28px;flex:1}
.news-body time{font-size:12px;color:var(--text-3);display:block;margin-bottom:10px;font-weight:500}
.news-body h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.4}
.news-body p{color:var(--text-2);font-size:14px;line-height:1.75}

/* ===== 模态弹窗·电影级暗色 ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0);backdrop-filter:blur(0);z-index:9999;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .45s cubic-bezier(.23,1,.32,1);padding:24px}
.modal-overlay.open{opacity:1;visibility:visible;background:rgba(0,0,0,0.6);backdrop-filter:blur(8px)}
.modal-content{background:linear-gradient(180deg,#0f172a 0%,#0a0f1e 100%);border:1px solid rgba(255,255,255,0.06);border-radius:22px;max-width:800px;width:100%;max-height:85vh;overflow-y:auto;position:relative;box-shadow:0 40px 100px rgba(0,0,0,0.5);transform:scale(.92);transition:all .55s cubic-bezier(.34,1.56,.64,1);scrollbar-width:none;-ms-overflow-style:none}
.modal-content::-webkit-scrollbar{display:none}
.modal-overlay.open .modal-content{transform:scale(1)}
.modal-content::before{content:'';position:sticky;bottom:0;left:0;right:0;display:block;height:3px;background:linear-gradient(90deg,#818cf8,#38bdf8,#34d399,#818cf8);background-size:200% 100%;animation:gradFlow 3s linear infinite;z-index:5;margin-top:auto}@keyframes gradFlow{to{background-position:200% 0}}
.modal-close{position:sticky;top:18px;float:right;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center;font-size:16px;color:rgba(255,255,255,0.5);cursor:pointer;z-index:10;transition:all .35s;backdrop-filter:blur(8px);margin-right:18px}
.modal-close:hover{background:rgba(255,255,255,0.12);color:#fff;transform:rotate(90deg)}
.modal-top{display:grid;grid-template-columns:1.3fr 1fr;gap:0}
.modal-top .modal-img{aspect-ratio:16/10;overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center;font-size:60px}
.modal-top .modal-img img{width:100%;height:100%;object-fit:cover}
.modal-top .modal-img .modal-badge{position:absolute;top:16px;left:16px;padding:5px 14px;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.1);border-radius:8px;color:#a5b4fc;font-size:10.5px;font-weight:700;backdrop-filter:blur(10px);z-index:2}
.modal-top .modal-intro{padding:32px 30px;display:flex;flex-direction:column;justify-content:center}
.modal-top .modal-intro .modal-label{font-size:10px;letter-spacing:4px;color:#818cf8;font-weight:700;margin-bottom:10px}
.modal-top .modal-intro h2{font-size:24px;font-weight:800;color:#fff;margin-bottom:10px;line-height:1.25}
.modal-top .modal-intro .modal-location{font-size:12px;color:rgba(255,255,255,0.35)}
.modal-body{padding:28px 36px 20px}
.modal-body .modal-section{margin-bottom:22px}
.modal-body .modal-section h4{font-size:12px;font-weight:700;color:#818cf8;letter-spacing:2px;margin-bottom:8px;text-transform:uppercase}
.modal-body .modal-section p,.modal-body p{font-size:13.5px;color:rgba(255,255,255,0.85);line-height:1.9}
.modal-body h4{font-size:13px;font-weight:700;color:#818cf8;letter-spacing:2px;margin:24px 0 10px;text-transform:uppercase}
.modal-body h4:first-child{margin-top:0}
/* 弹窗内滚动渐显动画 */
.modal-reveal{opacity:0;transform:translateY(18px);transition:all .55s cubic-bezier(.23,1,.32,1)}
.modal-reveal.visible{opacity:1;transform:translateY(0)}
.modal-tags{padding:0 36px 32px;display:flex;gap:6px;flex-wrap:wrap}
.modal-tag{padding:5px 14px;background:rgba(129,140,248,0.06);border:1px solid rgba(129,140,248,0.12);border-radius:6px;font-size:11px;color:#a5b4fc;font-weight:500}
@media(max-width:768px){.modal-top{grid-template-columns:1fr}.modal-content{margin:8px}}

/* ===== CTA ===== */
.cta-section{padding:150px 0;text-align:center;position:relative;overflow:hidden;background:var(--gradient-dark)}
.cta-section::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 800px 600px at 50% 50%,rgba(37,99,235,0.12),transparent),radial-gradient(ellipse 500px 400px at 30% 70%,rgba(6,182,212,0.06),transparent);pointer-events:none}
.cta-title{font-size:clamp(36px,5.5vw,56px);font-weight:800;color:#fff;margin-bottom:24px;position:relative;z-index:1}
.cta-title .hl{background:linear-gradient(135deg,#60a5fa,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ===== Footer ===== */
.footer{padding:80px 0 36px;background:var(--darkest);color:rgba(255,255,255,0.45);position:relative}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.1),transparent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;margin-bottom:56px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:22px;color:rgba(255,255,255,0.65)}
.footer-col ul li{margin-bottom:12px}.footer-col ul li a{font-size:14px;color:rgba(255,255,255,0.35);transition:color .2s}.footer-col ul li a:hover{color:var(--accent-2)}
.footer-about p{font-size:14px;color:rgba(255,255,255,0.3);line-height:1.85;margin-top:20px}
.footer-about .logo-text span{color:#fff}.footer-about .logo-text small{color:rgba(255,255,255,0.3)}
.footer-contact{font-size:14px;line-height:2.2;color:rgba(255,255,255,0.35)}.footer-contact .ico{color:var(--accent-2);margin-right:8px}
.footer-bottom{display:flex;justify-content:space-between;padding-top:28px;border-top:1px solid rgba(255,255,255,0.06);flex-wrap:wrap;gap:14px;font-size:13px;color:rgba(255,255,255,0.25)}

/* ===== 回到顶部 & 浮动 ===== */
.back-to-top{position:fixed;right:32px;bottom:32px;width:50px;height:50px;border-radius:50%;background:var(--gradient-1);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 32px var(--accent-glow);z-index:99;opacity:0;pointer-events:none;transition:all .35s var(--easing);font-size:20px;cursor:pointer}
.back-to-top.visible{opacity:1;pointer-events:auto}
.back-to-top:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 12px 40px var(--accent-glow)}
.floating-contact{position:fixed;right:32px;bottom:100px;z-index:99;display:flex;flex-direction:column;gap:14px}
.float-btn{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;transition:all .35s var(--easing);background:var(--gradient-1);color:#fff;box-shadow:0 8px 28px var(--accent-glow);animation:floatPulse 2.5s ease-in-out infinite}@keyframes floatPulse{0%,100%{box-shadow:0 8px 28px var(--accent-glow)}50%{box-shadow:0 8px 48px rgba(37,99,235,0.4)}}
.float-btn:hover{transform:scale(1.12);animation:none}

/* ===== 滚动动画（全部保留） ===== */
.reveal-fadeUp{opacity:0;transform:translateY(40px);transition:all .8s var(--easing)}
.reveal-fadeUp.visible{opacity:1;transform:translateY(0)}
.reveal-fadeLeft{opacity:0;transform:translateX(-40px);transition:all .8s var(--easing)}
.reveal-fadeLeft.visible{opacity:1;transform:translateX(0)}
.reveal-fadeRight{opacity:0;transform:translateX(40px);transition:all .8s var(--easing)}
.reveal-fadeRight.visible{opacity:1;transform:translateX(0)}
.reveal-zoomIn{opacity:0;transform:scale(0.9);transition:all .7s var(--easing)}
.reveal-zoomIn.visible{opacity:1;transform:scale(1)}
.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}.delay-4{transition-delay:.4s}.delay-5{transition-delay:.5s}

/* ===== 内页 ===== */
.page-banner{padding:calc(var(--nav-h) + 80px) 0 64px;text-align:center;background:var(--off-white);border-bottom:1px solid var(--border)}
.page-banner h1{font-size:clamp(32px,4.5vw,48px);font-weight:800;margin-bottom:14px;letter-spacing:-1px}
.page-banner p{color:var(--text-2);font-size:17px;max-width:640px;margin:0 auto}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .container{padding:0 24px}
  .nav-menu{position:fixed;top:0;right:-320px;width:320px;height:100vh;background:var(--white);flex-direction:column;padding:100px 28px 28px;gap:6px;overflow-y:auto;transition:right .35s;box-shadow:-10px 0 40px rgba(0,0,0,0.12);z-index:150;border-left:1px solid var(--border)}
  body.menu-open .nav-menu{right:0}
  .nav-menu>li{width:100%}.nav-menu>li>a{padding:14px 8px;font-size:15px;width:100%;color:var(--text-2)}
  .nav-menu .dropdown{position:static;opacity:1;visibility:visible;box-shadow:none;border:none;padding:0 0 0 20px;transform:none;min-width:auto;display:none;background:transparent}
  .nav-menu>li.dropdown-open .dropdown{display:block}
  .nav-toggle{display:flex}.nav-phone{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-stats,.trust-strip{grid-template-columns:repeat(2,1fr)}
  .trust-item+.trust-item{border-left:none;border-top:1px solid var(--border)}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .case-card{min-width:320px}
}
@media(max-width:640px){
  .hero-stats,.trust-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero-buttons{flex-direction:column;align-items:center}.hero-buttons .btn{width:100%;max-width:320px}
  .modal-content{margin:12px}.modal-header,.modal-body{padding-left:28px;padding-right:28px}
}
.nav-arrow{font-size:0.55rem;transition:transform .25s}
.nav-menu>li:hover>a>.nav-arrow{transform:rotate(180deg)}

/* ===== 全局高亮文字工具类 ===== */
.hl-grad{background:linear-gradient(135deg,#818cf8,#38bdf8,#34d399);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:800}
.hl-blue{color:#a5b4fc;font-weight:700}
.hl-cyan{color:#38bdf8;font-weight:700}
.hl-green{color:#34d399;font-weight:700}
.hl-amber{color:#fbbf24;font-weight:700}
.hl-tag{display:inline-block;padding:3px 10px;background:rgba(129,140,248,0.08);border:1px solid rgba(129,140,248,0.15);border-radius:5px;font-size:0.85em;color:#a5b4fc;font-weight:600;margin:0 2px;vertical-align:middle}
.hl-box{background:rgba(129,140,248,0.04);border-left:3px solid #818cf8;padding:12px 16px;border-radius:0 8px 8px 0;margin:8px 0}
.hl-num{font-size:1.3em;font-weight:900;background:linear-gradient(135deg,#818cf8,#38bdf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* brand-logo override 2026-11-05 */
.logo-icon{background:none;box-shadow:none;border-radius:0;overflow:visible}
.logo-icon img{display:block;width:100%;height:100%;object-fit:contain}