/* =============================================================
   佛山市合丰联创科技有限公司 · 官网样式
   现代科技风 / 响应式
   ============================================================= */

:root{
    --primary:#1653e5;
    --primary-dark:#0c3bb0;
    --accent:#00d4ff;
    --purple:#6b4cff;
    --dark:#070b1e;
    --dark-2:#0d1430;
    --dark-3:#141d44;
    --text:#1a2138;
    --text-light:#5a6178;
    --text-muted:#8a92a8;
    --bg:#ffffff;
    --bg-soft:#f5f8fd;
    --bg-soft-2:#eef3fb;
    --line:#e6ebf5;
    --white:#ffffff;
    --radius:16px;
    --radius-lg:22px;
    --shadow-sm:0 4px 18px rgba(20,40,90,.06);
    --shadow:0 16px 40px rgba(20,40,90,.10);
    --shadow-lg:0 30px 70px rgba(20,40,90,.16);
    --grad:linear-gradient(120deg,#1653e5 0%,#6b4cff 100%);
    --grad-accent:linear-gradient(120deg,#00d4ff 0%,#6b4cff 100%);
    --grad-text:linear-gradient(90deg,#00d4ff,#6b4cff);
    --grad-dark:linear-gradient(135deg,#070b1e 0%,#0d1430 45%,#152159 100%);
    --container:1200px;
    --header-h:74px;
    --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
    color:var(--text);
    background:var(--bg);
    line-height:1.7;
    font-size:16px;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}

a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
img{max-width:100%;display:block}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--text)}

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

/* ---------- 顶部进度条 ---------- */
.page-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:2000;background:var(--grad-accent);transition:width .1s linear}

/* ---------- 头部导航 ---------- */
.site-header{
    position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);
    display:flex;align-items:center;
    transition:background .35s var(--ease),box-shadow .35s var(--ease),height .35s var(--ease);
}
.site-header.solid{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(10,20,60,.08);height:64px}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}

.brand{display:flex;align-items:center;gap:12px;color:#fff;transition:color .35s}
.site-header.solid .brand{color:var(--text)}
.brand-logo{height:44px;width:auto;display:block}
.site-header:not(.solid) .brand-logo{filter:drop-shadow(0 2px 8px rgba(0,0,0,.4))}
@media (max-width:820px){.brand-logo{height:38px}}
.brand-mark{
    width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
    background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(22,83,229,.4);flex:none;
}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:20px;font-weight:800;letter-spacing:.5px}
.brand-text i{font-size:11px;font-style:normal;letter-spacing:2px;opacity:.7;text-transform:uppercase}

.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
    position:relative;padding:10px 16px;font-size:15.5px;font-weight:500;color:rgba(255,255,255,.85);border-radius:10px;
    transition:color .25s,background .25s;
}
.site-header.solid .nav-link{color:var(--text-light)}
.nav-link::after{
    content:"";position:absolute;left:16px;right:16px;bottom:5px;height:2px;border-radius:2px;
    background:var(--grad-text);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav-link:hover,.nav-link.active{color:#fff}
.site-header.solid .nav-link:hover,.site-header.solid .nav-link.active{color:var(--primary)}
.nav-link.active::after,.nav-link:hover::after{transform:scaleX(1)}
.nav-cta{
    margin-left:12px;padding:10px 22px;border-radius:30px;font-weight:600;font-size:15px;color:#fff;
    background:var(--grad);box-shadow:0 10px 24px rgba(22,83,229,.35);transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(22,83,229,.5);color:#fff}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.site-header.solid .nav-toggle span{background:var(--text)}

/* ---------- 通用区块 ---------- */
.site-main{display:block}
.section{padding:96px 0;position:relative}
.section-soft{background:var(--bg-soft)}
.section-dark{background:var(--grad-dark);color:#fff}
.section-head{text-align:center;max-width:760px;margin:0 auto 56px}
.section-head.left{text-align:left;margin-left:0}
.eyebrow{
    display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:30px;font-size:13px;font-weight:600;
    letter-spacing:1px;text-transform:uppercase;color:var(--primary);background:rgba(22,83,229,.08);margin-bottom:18px;
}
.section-dark .eyebrow{color:var(--accent);background:rgba(0,212,255,.12)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.section-title{font-size:38px;font-weight:800;letter-spacing:-.5px;margin-bottom:18px}
.section-desc{font-size:17px;color:var(--text-light);line-height:1.8}
.section-dark .section-title{color:#fff}
.section-dark .section-desc{color:rgba(255,255,255,.7)}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}

/* ---------- 按钮 ---------- */
.btn{
    display:inline-flex;align-items:center;gap:9px;padding:14px 30px;border-radius:32px;font-size:16px;font-weight:600;
    cursor:pointer;border:0;transition:transform .25s var(--ease),box-shadow .25s,background .25s;white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{color:#fff;background:var(--grad);box-shadow:0 14px 30px rgba(22,83,229,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 40px rgba(22,83,229,.55);color:#fff}
.btn-ghost{color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-3px);color:#fff}
.btn-outline{color:var(--primary);background:transparent;border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-3px)}
.btn-lg{padding:16px 38px;font-size:17px}

/* ---------- Hero ---------- */
.hero{
    position:relative;min-height:100vh;display:flex;align-items:center;
    background:var(--grad-dark);color:#fff;overflow:hidden;padding-top:var(--header-h);
}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28}
.hero-photo{position:absolute;inset:0;background-size:cover;background-position:center center}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,30,.74),rgba(7,11,30,.82) 60%,rgba(7,11,30,.9))}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-grid{
    position:absolute;inset:-2px;
    background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
    background-size:52px 52px;mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 40%,transparent 100%);
    -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 40%,transparent 100%);
}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;animation:float 14s ease-in-out infinite}
.orb-1{width:420px;height:420px;background:radial-gradient(circle,#1653e5,transparent 70%);top:-80px;right:-60px}
.orb-2{width:360px;height:360px;background:radial-gradient(circle,#6b4cff,transparent 70%);bottom:-100px;left:-40px;animation-delay:-5s}
.orb-3{width:300px;height:300px;background:radial-gradient(circle,#00d4ff,transparent 70%);top:40%;left:45%;animation-delay:-8s;opacity:.4}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-40px)}}

.hero-inner{position:relative;z-index:2;padding:60px 0;width:100%}
.hero-badge{
    display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:30px;font-size:14px;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(8px);margin-bottom:28px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#25e6a4;box-shadow:0 0 0 4px rgba(37,230,164,.25);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(37,230,164,.25)}50%{box-shadow:0 0 0 8px rgba(37,230,164,.05)}}
.hero-title{font-size:clamp(34px,5.4vw,64px);font-weight:900;letter-spacing:-1px;line-height:1.12;margin-bottom:26px}
.hero-title .grad-text{background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:clamp(16px,2vw,20px);color:rgba(255,255,255,.78);max-width:680px;margin-bottom:40px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:56px}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px}
.hero-stat b{display:block;font-size:clamp(28px,4vw,44px);font-weight:800;background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.hero-stat > span{font-size:14px;color:rgba(255,255,255,.6);margin-top:8px;display:block}
.hero-stat b span{display:inline;font-size:inherit;-webkit-text-fill-color:transparent}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;color:rgba(255,255,255,.5);font-size:12px;letter-spacing:2px;text-align:center}
.hero-scroll .mouse{width:24px;height:38px;border:2px solid rgba(255,255,255,.4);border-radius:14px;margin:0 auto 8px;position:relative}
.hero-scroll .mouse::before{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:4px;height:7px;border-radius:2px;background:rgba(255,255,255,.7);animation:scrolldot 1.8s infinite}
@keyframes scrolldot{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,12px)}}

/* 波浪分隔 */
.wave-sep{display:block;width:100%;height:70px;margin-top:-1px}
.wave-sep path{fill:var(--bg)}

/* ---------- 信任条 / logo 滚动 ---------- */
.trust-bar{padding:40px 0;border-bottom:1px solid var(--line);background:var(--white)}
.trust-title{text-align:center;color:var(--text-muted);font-size:14px;letter-spacing:1px;margin-bottom:26px}
.logo-track-wrap{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.logo-track{display:flex;gap:20px;width:max-content;animation:marquee 26s linear infinite}
.logo-track:hover{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.logo-chip{
    display:flex;align-items:center;justify-content:center;gap:10px;min-width:180px;height:74px;padding:0 30px;border-radius:14px;
    background:var(--bg-soft);border:1px solid var(--line);font-size:19px;font-weight:700;color:var(--text-light);white-space:nowrap;
}
.logo-chip .dotmark{width:10px;height:10px;border-radius:50%;background:var(--grad);flex:none}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* 产品卡片 */
.product-card{
    position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 30px;
    overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.product-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-card:hover::before{transform:scaleX(1)}
.product-card .p-tag{position:absolute;top:22px;right:22px;font-size:12px;font-weight:600;color:var(--primary);background:rgba(22,83,229,.1);padding:5px 12px;border-radius:20px}
.p-icon-wrap{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(22,83,229,.12),rgba(107,76,255,.12));margin-bottom:22px;transition:transform .4s var(--ease)}
.product-card:hover .p-icon-wrap{transform:scale(1.08) rotate(-4deg)}
.p-icon{width:32px;height:32px;color:var(--primary)}
.product-card h3{font-size:22px;margin-bottom:8px}
.product-card .p-subtitle{font-size:13.5px;color:var(--primary);font-weight:600;margin-bottom:14px}
.product-card .p-summary{color:var(--text-light);font-size:15px;line-height:1.75}
.product-card .p-more{display:inline-flex;align-items:center;gap:6px;margin-top:20px;color:var(--primary);font-weight:600;font-size:14.5px}
.product-card .p-more svg{width:16px;height:16px;transition:transform .3s}
.product-card:hover .p-more svg{transform:translateX(4px)}

/* 功能特性 list */
.feature-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-light);line-height:1.6}
.feature-list li svg{width:18px;height:18px;color:var(--accent);flex:none;margin-top:3px}

/* ---------- 数据统计 ---------- */
.stats-band{position:relative}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-item{text-align:center;padding:20px}
.stat-num{font-size:clamp(36px,5vw,56px);font-weight:900;line-height:1;background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-num .suffix{font-size:.5em;-webkit-text-fill-color:currentColor;color:var(--accent);margin-left:2px}
.stat-label{margin-top:14px;color:rgba(255,255,255,.72);font-size:15.5px}

/* ---------- 特性/优势 交替行 ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:100px}
.feature-row:last-child{margin-bottom:0}
.feature-row.reverse .feature-visual{order:2}
.feature-visual{position:relative;border-radius:var(--radius-lg);min-height:340px;background:var(--grad-dark);overflow:hidden;box-shadow:var(--shadow-lg);display:grid;place-items:center}
.feature-visual .fv-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px}
.feature-visual .fv-orb{position:absolute;width:200px;height:200px;border-radius:50%;filter:blur(50px);background:radial-gradient(circle,#1653e5,transparent 70%);opacity:.6}
.feature-visual .fv-icon{position:relative;z-index:2;color:#fff;width:96px;height:96px;opacity:.95}
.feature-visual .fv-label{position:absolute;z-index:3;bottom:24px;left:24px;color:rgba(255,255,255,.9);font-size:14px;letter-spacing:1px;text-transform:uppercase;font-weight:600;text-shadow:0 1px 10px rgba(0,0,0,.6)}
.feature-visual .fv-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.feature-visual::after{content:"";position:absolute;left:0;right:0;bottom:0;height:46%;background:linear-gradient(transparent,rgba(7,11,30,.72));z-index:1;pointer-events:none}
.feature-text .eyebrow{margin-bottom:16px}
.feature-text h3{font-size:30px;margin-bottom:18px}
.feature-text p{color:var(--text-light);font-size:16px;margin-bottom:16px}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text)}
.check-list li .ck{width:24px;height:24px;border-radius:50%;background:rgba(22,83,229,.1);display:grid;place-items:center;flex:none;margin-top:2px}
.check-list li .ck svg{width:14px;height:14px;color:var(--primary)}

/* ---------- 痛点/解决方案 ---------- */
.pain-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;transition:transform .35s var(--ease),box-shadow .35s}
.pain-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pain-card .pc-num{font-size:14px;font-weight:800;color:var(--primary);opacity:.5;margin-bottom:14px}
.pain-card h4{font-size:19px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.pain-card .pc-icon{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,rgba(255,90,95,.14),rgba(255,159,64,.14));display:grid;place-items:center;flex:none}
.pain-card .pc-icon svg{width:22px;height:22px;color:#ff5a5f}
.pain-card p{color:var(--text-light);font-size:14.5px;margin-bottom:8px}
.pain-card .pc-solve{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:flex;gap:10px;font-size:14.5px;color:var(--text)}
.pain-card .pc-solve b{color:var(--primary)}
.pain-card .pc-solve svg{width:18px;height:18px;color:var(--accent);flex:none;margin-top:3px}

/* ---------- 时间轴 / 路线图 ---------- */
.roadmap{position:relative;max-width:900px;margin:0 auto;padding-left:0}
.roadmap::before{content:"";position:absolute;left:calc(50% - 1px);top:0;bottom:0;width:2px;background:linear-gradient(180deg,transparent,rgba(255,255,255,.25),transparent)}
.road-item{position:relative;width:50%;padding:0 44px 50px}
.road-item:nth-child(odd){left:0;text-align:right}
.road-item:nth-child(even){left:50%;text-align:left}
.road-dot{position:absolute;top:6px;width:18px;height:18px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 6px rgba(0,212,255,.18);z-index:2}
.road-item:nth-child(odd) .road-dot{right:-9px}
.road-item:nth-child(even) .road-dot{left:-9px}
.road-time{display:inline-block;font-size:14px;font-weight:700;color:var(--accent);margin-bottom:10px;letter-spacing:.5px}
.road-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:24px 26px;backdrop-filter:blur(6px);transition:transform .35s,background .35s}
.road-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.09)}
.road-card h4{color:#fff;font-size:20px;margin-bottom:10px}
.road-card p{color:rgba(255,255,255,.7);font-size:14.5px;margin:0}
.road-tag{display:inline-block;margin-top:12px;font-size:12px;padding:4px 12px;border-radius:20px;background:rgba(0,212,255,.14);color:var(--accent)}

/* ---------- 客户案例 ---------- */
.case-card{
    position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;
    text-align:center;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s;overflow:hidden;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.case-logo{
    width:90px;height:90px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;
    background:linear-gradient(135deg,var(--bg-soft),var(--bg-soft-2));font-size:30px;font-weight:800;color:var(--primary);overflow:hidden;
}
.case-logo img{width:100%;height:100%;object-fit:contain;padding:12px}
.case-card h4{font-size:19px;margin-bottom:8px}
.case-industry{display:inline-block;font-size:12.5px;color:var(--primary);background:rgba(22,83,229,.08);padding:4px 12px;border-radius:16px;margin-bottom:14px}
.case-card p{color:var(--text-light);font-size:14px;line-height:1.7}

/* ---------- 新闻 ---------- */
.news-card{
    background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    transition:transform .35s var(--ease),box-shadow .35s;display:flex;flex-direction:column;height:100%;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad-dark);display:grid;place-items:center}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-thumb .nt-fallback{color:rgba(255,255,255,.9)}
.news-thumb .nt-fallback svg{width:54px;height:54px;opacity:.5}
.news-cat{position:absolute;top:14px;left:14px;font-size:12px;color:#fff;background:rgba(22,83,229,.9);padding:4px 12px;border-radius:16px;z-index:2}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:18px;margin-bottom:12px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .25s}
.news-card:hover .news-body h3{color:var(--primary)}
.news-body p{color:var(--text-light);font-size:14px;line-height:1.7;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-muted)}
.news-meta .read{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.news-meta .read svg{width:15px;height:15px;transition:transform .3s}
.news-card:hover .read svg{transform:translateX(4px)}

/* ---------- CTA 区 ---------- */
.cta-band{position:relative;padding:90px 0;background:var(--grad-dark);color:#fff;overflow:hidden;text-align:center}
.cta-band .orb{opacity:.4}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:clamp(28px,4vw,44px);font-weight:800;margin-bottom:20px}
.cta-inner p{color:rgba(255,255,255,.75);font-size:18px;margin-bottom:36px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- 页面通用 banner ---------- */
.page-hero{
    position:relative;background:var(--grad-dark);color:#fff;padding:calc(var(--header-h) + 70px) 0 80px;overflow:hidden;text-align:center;
}
.page-hero .hero-grid{opacity:.6}
.page-hero .orb{opacity:.4}
.page-hero-inner{position:relative;z-index:2}
.page-hero h1{font-size:clamp(30px,4.5vw,48px);font-weight:800;margin-bottom:16px}
.page-hero p{color:rgba(255,255,255,.75);font-size:17px;max-width:680px;margin:0 auto}
.crumb{display:flex;justify-content:center;gap:8px;font-size:14px;color:rgba(255,255,255,.6);margin-top:22px}
.crumb a:hover{color:#fff}
.crumb span{opacity:.5}

/* ---------- 关于页 ---------- */
.about-lead{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-lead .al-text h2{font-size:32px;margin-bottom:20px}
.about-lead .al-text p{color:var(--text-light);font-size:16px;margin-bottom:16px}
.about-visual{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--grad-dark);min-height:360px;position:relative;display:grid;place-items:center}
.about-visual .av-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.about-visual .av-caption{position:absolute;left:0;right:0;bottom:0;padding:24px 28px;background:linear-gradient(transparent,rgba(7,11,30,.88));color:#fff;z-index:2}
.about-visual .av-name{font-size:24px;font-weight:800}
.about-visual .av-en{opacity:.72;letter-spacing:3px;font-size:12px;margin-top:4px;text-transform:uppercase}
.value-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center;transition:.35s}
.value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.value-card .v-icon{width:60px;height:60px;border-radius:16px;margin:0 auto 18px;background:linear-gradient(135deg,rgba(22,83,229,.12),rgba(107,76,255,.12));display:grid;place-items:center}
.value-card .v-icon svg{width:30px;height:30px;color:var(--primary)}
.value-card h4{font-size:19px;margin-bottom:10px}
.value-card p{color:var(--text-light);font-size:14.5px}

/* ---------- 产品详情块 ---------- */
.product-detail{margin-bottom:90px;scroll-margin-top:100px}
.product-detail:last-child{margin-bottom:0}
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.pd-grid.reverse .pd-visual{order:2}
.pd-visual{position:relative;border-radius:var(--radius-lg);min-height:360px;background:var(--grad-dark);overflow:hidden;box-shadow:var(--shadow-lg);display:grid;place-items:center}
.pd-visual .fv-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px}
.pd-visual .fv-orb{position:absolute;width:220px;height:220px;border-radius:50%;filter:blur(55px);opacity:.6;background:radial-gradient(circle,#6b4cff,transparent 70%)}
.pd-visual .pd-icon{position:relative;z-index:2;width:110px;height:110px;color:#fff;opacity:.95}
.pd-visual .pd-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.pd-visual .pd-num{z-index:2}
.pd-num{position:absolute;top:20px;right:28px;font-size:80px;font-weight:900;color:rgba(255,255,255,.08);z-index:1;line-height:1}
.pd-text .p-tag{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);background:rgba(22,83,229,.1);padding:6px 14px;border-radius:20px;margin-bottom:16px}
.pd-text h2{font-size:30px;margin-bottom:8px}
.pd-text .pd-sub{color:var(--primary);font-weight:600;margin-bottom:16px}
.pd-text .pd-summary{color:var(--text-light);font-size:16px;margin-bottom:20px}
.pd-scene{margin-top:22px;padding:16px 18px;border-radius:12px;background:var(--bg-soft);font-size:14.5px;color:var(--text)}
.pd-scene b{color:var(--primary)}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:start}
.contact-info-card{background:var(--grad-dark);color:#fff;border-radius:var(--radius-lg);padding:44px 38px;position:relative;overflow:hidden}
.contact-info-card .orb{opacity:.4}
.contact-info-card > *{position:relative;z-index:2}
.contact-info-card h3{color:#fff;font-size:24px;margin-bottom:10px}
.contact-info-card .ci-desc{color:rgba(255,255,255,.7);margin-bottom:30px}
.ci-item{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start}
.ci-item .ci-ic{width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.1);display:grid;place-items:center;flex:none}
.ci-item .ci-ic svg{width:22px;height:22px;color:var(--accent)}
.ci-item .ci-t{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:3px}
.ci-item .ci-v{font-size:17px;font-weight:600;color:#fff}
.ci-qr{margin-top:20px;display:flex;align-items:center;gap:16px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.ci-qr img{width:96px;height:96px;border-radius:12px;background:#fff;padding:6px}
.contact-form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:44px 40px;box-shadow:var(--shadow-sm)}
.contact-form-card h3{font-size:24px;margin-bottom:8px}
.contact-form-card .cf-desc{color:var(--text-light);margin-bottom:28px;font-size:15px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}
.form-group label .req{color:#ff5a5f}
.form-control{
    width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit;
    color:var(--text);background:var(--bg-soft);transition:border-color .25s,background .25s,box-shadow .25s;
}
.form-control:focus{outline:0;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(22,83,229,.1)}
textarea.form-control{resize:vertical;min-height:120px}
.form-note{font-size:13px;color:var(--text-muted);margin-top:14px}
.alert{padding:14px 18px;border-radius:12px;margin-bottom:24px;font-size:14.5px}
.alert-success{background:rgba(37,230,164,.12);color:#0a8f5f;border:1px solid rgba(37,230,164,.3)}
.alert-error{background:rgba(255,90,95,.1);color:#d93a3f;border:1px solid rgba(255,90,95,.25)}

.map-embed{margin-top:56px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);height:380px;background:var(--bg-soft);position:relative}
.map-embed iframe{width:100%;height:100%;border:0}
.map-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);gap:12px}
.map-placeholder svg{width:48px;height:48px;color:var(--primary);opacity:.5}

/* ---------- 新闻详情 ---------- */
.article{max-width:820px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:50px 56px;box-shadow:var(--shadow-sm)}
.article h1{font-size:32px;line-height:1.35;margin-bottom:20px}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;padding-bottom:24px;margin-bottom:30px;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-muted)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-body{font-size:16.5px;line-height:1.95;color:#2c3446}
.article-body p{margin-bottom:20px}
.article-body img{border-radius:12px;margin:20px 0}
.article-body h2,.article-body h3{margin:28px 0 16px}
.article-body strong{color:var(--primary)}
.article-nav{max-width:820px;margin:30px auto 0;display:flex;justify-content:space-between;gap:16px}
.article-nav a{flex:1;padding:16px 20px;background:var(--white);border:1px solid var(--line);border-radius:12px;font-size:14px;color:var(--text-light);transition:.25s}
.article-nav a:hover{border-color:var(--primary);color:var(--primary)}
.article-nav a.next{text-align:right}

/* 新闻列表侧标签 */
.news-filter{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:44px}
.news-filter a{padding:9px 22px;border-radius:24px;font-size:14.5px;color:var(--text-light);background:var(--white);border:1px solid var(--line);transition:.25s}
.news-filter a:hover,.news-filter a.active{background:var(--grad);color:#fff;border-color:transparent}

/* 分页 */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:50px}
.pagination a,.pagination span{min-width:42px;height:42px;display:grid;place-items:center;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text-light);font-size:14.5px;transition:.25s}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .cur{background:var(--grad);color:#fff;border-color:transparent}

.empty{text-align:center;padding:80px 20px;color:var(--text-muted)}
.empty svg{width:64px;height:64px;opacity:.4;margin-bottom:16px}

/* ---------- 返回顶部 ---------- */
.back-top{
    position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;
    display:grid;place-items:center;box-shadow:0 12px 28px rgba(22,83,229,.4);opacity:0;visibility:hidden;transform:translateY(16px);
    transition:.35s var(--ease);z-index:900;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{transform:translateY(-4px)}
.back-top svg{width:22px;height:22px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--dark);color:rgba(255,255,255,.7);padding:70px 0 30px;overflow:hidden}
.footer-glow{position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:600px;height:300px;background:radial-gradient(circle,rgba(22,83,229,.25),transparent 70%);filter:blur(40px)}
.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:18px;font-weight:700;margin-bottom:18px}
.footer-brand .brand-mark{width:38px;height:38px}
.footer-brand .brand-mark svg{width:22px;height:22px}
.footer-intro{font-size:14px;line-height:1.8;margin-bottom:18px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12px;padding:4px 12px;border-radius:20px;background:rgba(255,255,255,.07);color:rgba(255,255,255,.65)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:20px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.6)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-contact ul li{display:flex;gap:10px;font-size:14px;margin-bottom:14px;color:rgba(255,255,255,.75)}
.footer-contact .fc-label{color:rgba(255,255,255,.4);flex:none;width:34px}
.footer-contact a:hover{color:var(--accent)}
.footer-qr{margin-top:8px;display:flex;flex-direction:column;gap:8px}
.footer-qr img{width:100px;height:100px;border-radius:10px;background:#fff;padding:6px}
.footer-qr span{font-size:12px;color:rgba(255,255,255,.5)}
.footer-bottom{position:relative;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:26px;font-size:13px;color:rgba(255,255,255,.45)}
.footer-beian{display:flex;gap:16px;flex-wrap:wrap}
.footer-beian a:hover{color:var(--accent)}

/* ---------- 滚动进场动画 ---------- */
[data-reveal]{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal].d1{transition-delay:.1s}
[data-reveal].d2{transition-delay:.2s}
[data-reveal].d3{transition-delay:.3s}
[data-reveal].d4{transition-delay:.4s}
[data-reveal].d5{transition-delay:.5s}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
    .section{padding:72px 0}
    .grid-4{grid-template-columns:repeat(2,1fr)}
    .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px}
    .feature-row{gap:40px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:820px){
    :root{--header-h:64px}
    .nav-toggle{display:flex;z-index:1100}
    .main-nav{
        position:fixed;top:0;right:-100%;width:min(80vw,320px);height:100vh;flex-direction:column;align-items:stretch;
        background:var(--dark-2);padding:90px 26px 40px;gap:6px;transition:right .4s var(--ease);box-shadow:-20px 0 60px rgba(0,0,0,.4);
    }
    .main-nav.open{right:0}
    .nav-link{color:rgba(255,255,255,.85);padding:14px 16px;font-size:16px}
    .nav-link::after{display:none}
    .nav-link:hover,.nav-link.active{background:rgba(255,255,255,.08);color:#fff}
    .site-header.solid .nav-link{color:rgba(255,255,255,.85)}
    .nav-cta{margin:14px 16px 0;text-align:center;justify-content:center}
    body.nav-open{overflow:hidden}
    .nav-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1050;opacity:0;visibility:hidden;transition:.3s}
    .nav-mask.show{opacity:1;visibility:visible}
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
    .feature-row,.about-lead,.pd-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
    .feature-row.reverse .feature-visual,.pd-grid.reverse .pd-visual{order:0}
    .section-title{font-size:30px}
    .roadmap::before{left:9px}
    .road-item{width:100%;left:0 !important;text-align:left !important;padding-left:40px;padding-right:0}
    .road-item .road-dot{left:0 !important;right:auto !important}
    .article{padding:32px 22px}
    .form-row{grid-template-columns:1fr}
    .hero-stats{gap:28px}
}
@media (max-width:480px){
    .container{padding:0 18px}
    .hero-actions{flex-direction:column;align-items:stretch}
    .hero-actions .btn{justify-content:center}
    .cta-actions{flex-direction:column}
    .stat-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr}
    .article h1{font-size:24px}
}