/* ============================================================
   山东智标数字科技有限公司 — 主样式表 v4.0
   风格: 科技感 (HUD/发光/扫描线/流动光效)
   布局: 纯桌面固定 1240px，窄窗口横向滚动
   ============================================================ */

/* ===== 1. CSS变量 ===== */
:root{
    --c-primary:#0a7aff;
    --c-primary-deep:#0058d4;
    --c-cyan:#00d4ff;
    --c-dark:#0f2950;
    --c-text:#1a2b4a;
    --c-text-soft:#5a6c8e;
    --c-line:#e3ecf8;
    --c-bg:#ffffff;
    --c-bg-soft:#f5f9ff;
    --grad-main:linear-gradient(135deg,#0a7aff 0%,#00d4ff 100%);
    --grad-deep:linear-gradient(150deg,#0950a8 0%,#0a6adb 50%,#1a9aff 100%);
    --grad-flow:linear-gradient(90deg,#0a7aff,#00d4ff,#7ad8ff,#00d4ff,#0a7aff);
    --shadow-sm:0 4px 24px rgba(10,60,140,.07);
    --shadow-md:0 12px 44px rgba(10,50,120,.10);
    --shadow-lg:0 24px 64px rgba(10,50,120,.14);
    --glow-cyan:0 0 24px rgba(0,212,255,.35);
    --radius:14px;
    --radius-lg:24px;
    --maxw:1240px;
    --ease:cubic-bezier(.22,.61,.36,1);
    --font-num:'Bahnschrift','DIN Alternate','Segoe UI',Arial,sans-serif;
}

/* ===== 2. 基础重置 ===== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
    font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    color:var(--c-text);
    background:var(--c-bg);
    line-height:1.7;
    overflow-x:auto;
    min-width:1240px;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* 自定义滚动条与选中色 */
::selection{background:rgba(0,212,255,.28);color:#0a2b5e}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#eef3fb}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#0a7aff,#00d4ff);border-radius:6px;border:2px solid #eef3fb}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#0058d4,#0a7aff)}

/* ===== 3. 粒子画布 ===== */
#particle-canvas{
    position:fixed;top:0;left:0;width:100%;height:100%;
    z-index:0;pointer-events:none;
}

/* ===== 4. 导航栏 ===== */
.navbar{
    position:fixed;top:0;left:0;right:0;z-index:100;
    transition:background .35s var(--ease),box-shadow .35s var(--ease);
    background:rgba(255,255,255,.72);
    backdrop-filter:blur(20px) saturate(180%);
    -webkit-backdrop-filter:blur(20px) saturate(180%);
}
.navbar::after{
    content:'';position:absolute;left:0;right:0;bottom:0;height:2px;
    background:linear-gradient(90deg,transparent 5%,#0a7aff 30%,#00d4ff 50%,#0a7aff 70%,transparent 95%);
    background-size:200% 100%;
    opacity:0;transition:opacity .4s var(--ease);
    animation:navLine 4s linear infinite;
}
.navbar.scrolled{background:rgba(255,255,255,.94);box-shadow:0 4px 28px rgba(10,50,120,.08)}
.navbar.scrolled::after{opacity:.65}
@keyframes navLine{to{background-position:200% 0}}
.nav-container{
    max-width:var(--maxw);margin:0 auto;padding:0 24px;
    height:72px;display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{display:flex;align-items:center;filter:drop-shadow(0 2px 8px rgba(10,132,255,.35));flex-shrink:0}
.logo-img{width:40px;height:40px;object-fit:contain;border-radius:10px}
.footer .logo-mark{filter:none}
.footer .logo-img{width:44px;height:44px;background:#fff;padding:6px;box-shadow:0 6px 16px rgba(0,0,0,.18)}
.logo-text{display:flex;flex-direction:column;line-height:1.2;padding:6px 0;gap:2px}
.logo-name{font-size:14px;font-weight:700;color:var(--c-dark);letter-spacing:.2px;white-space:nowrap}
.logo-en{font-size:8px;color:var(--c-primary);letter-spacing:1.5px;font-weight:600}
.footer .logo-name{font-size:16px;letter-spacing:.5px}
.footer .logo-text{padding:4px 0}

.nav-menu{display:flex;gap:8px;align-items:center}
.nav-link{
    position:relative;padding:8px 16px;font-size:15px;color:var(--c-text-soft);
    font-weight:500;transition:color .25s var(--ease);border-radius:8px;
}
.nav-link::after{
    content:'';position:absolute;left:50%;bottom:2px;width:0;height:2px;
    background:var(--grad-main);border-radius:2px;
    transition:width .3s var(--ease);transform:translateX(-50%);
    box-shadow:0 0 8px rgba(0,212,255,.6);
}
.nav-link:hover,.nav-link.active{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.active::after{width:60%}

/* ===== 5. 按钮（扫光效果）===== */
.btn{
    position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 30px;border-radius:50px;font-size:15px;font-weight:600;
    cursor:pointer;border:none;overflow:hidden;
    transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 8px 28px rgba(10,122,255,.38)}
.btn-primary::before{
    content:'';position:absolute;top:0;left:-80%;width:50%;height:100%;
    background:linear-gradient(105deg,transparent,rgba(255,255,255,.5),transparent);
    transform:skewX(-20deg);transition:left .6s var(--ease);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(10,122,255,.5)}
.btn-primary:hover::before{left:135%}
.btn-ghost{
    background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.4);
    backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.8)}
.btn-block{width:100%}

/* ===== 6. Hero 首屏 ===== */
.hero{
    position:relative;min-height:100vh;display:flex;align-items:center;
    background:linear-gradient(165deg,#073b8c 0%,#0a5fc0 30%,#0a7af5 60%,#0a8ae0 100%);
    overflow:hidden;z-index:1;
}
.hero-grid{
    position:absolute;inset:0;
    background-image:
        linear-gradient(rgba(0,212,255,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(0,212,255,.055) 1px,transparent 1px);
    background-size:60px 60px;
    mask-image:radial-gradient(ellipse at center,#000 25%,transparent 72%);
    -webkit-mask-image:radial-gradient(ellipse at center,#000 25%,transparent 72%);
}
.hero-glow{
    position:absolute;width:1000px;height:1000px;border-radius:50%;
    background:radial-gradient(circle,rgba(0,160,255,.3) 0%,transparent 55%);
    top:-250px;right:-250px;filter:blur(50px);
    will-change:transform;
}
.hero::after{
    content:'';position:absolute;left:50%;bottom:-320px;width:1000px;height:640px;
    transform:translateX(-50%);
    background:radial-gradient(ellipse,rgba(0,212,255,.16),transparent 62%);
    filter:blur(36px);pointer-events:none;
}
.hero-inner{
    position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;
    padding:120px 24px 80px;text-align:center;width:100%;
}
.hero-tag{
    display:inline-flex;align-items:center;gap:10px;
    padding:8px 18px;border-radius:50px;font-size:13px;color:#cfe5ff;
    background:rgba(0,132,255,.15);border:1px solid rgba(0,212,255,.3);
    backdrop-filter:blur(8px);margin-bottom:32px;
    animation:fadeUp .8s var(--ease) both;
}
.tag-dot{width:8px;height:8px;border-radius:50%;background:var(--c-cyan);box-shadow:0 0 12px var(--c-cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.hero-title{
    font-size:64px;font-weight:800;color:#fff;
    line-height:1.2;letter-spacing:1px;margin-bottom:24px;
    text-shadow:0 4px 28px rgba(0,50,140,.45);
    animation:fadeUp .9s var(--ease) .1s both;
}
.grad-text{
    background:linear-gradient(120deg,#00d4ff 0%,#7ad8ff 50%,#ffffff 100%);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
    background-size:200% auto;animation:gradShift 5s ease-in-out infinite;
}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero-subtitle{
    font-size:18px;color:rgba(255,255,255,.78);
    max-width:780px;margin:0 auto 40px;line-height:1.8;
    animation:fadeUp 1s var(--ease) .2s both;
}
.hero-actions{display:flex;gap:16px;justify-content:center;margin-bottom:80px;animation:fadeUp 1.1s var(--ease) .3s both}

.hero-stats{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
    max-width:900px;margin:0 auto;
    animation:fadeUp 1.2s var(--ease) .4s both;
}
.stat{
    padding:24px;border-radius:var(--radius);
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
    backdrop-filter:blur(10px);transition:transform .35s var(--ease),background .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}
.stat:hover{
    background:rgba(0,212,255,.1);border-color:rgba(0,212,255,.45);
    transform:translateY(-4px);
    box-shadow:0 12px 32px rgba(0,160,255,.18),inset 0 0 24px rgba(0,212,255,.06);
}
.stat-num{
    font-family:var(--font-num);font-variant-numeric:tabular-nums;
    font-size:42px;font-weight:800;color:#fff;line-height:1;
    text-shadow:0 0 20px rgba(0,212,255,.45);
}
.stat-label{font-size:13px;color:rgba(255,255,255,.65);margin-top:8px}

.scroll-hint{
    position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
    display:flex;flex-direction:column;align-items:center;gap:10px;
    color:rgba(255,255,255,.6);font-size:12px;letter-spacing:2px;z-index:2;
    animation:fadeUp 1.5s var(--ease) .8s both;
}
.scroll-line{width:1px;height:40px;background:linear-gradient(transparent,var(--c-cyan));position:relative;overflow:hidden}
.scroll-line::after{
    content:'';position:absolute;top:-40px;left:0;width:1px;height:40px;
    background:linear-gradient(var(--c-cyan),transparent);animation:scrollDown 2s infinite;
}
@keyframes scrollDown{0%{top:-40px}100%{top:40px}}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

/* ===== 7. 通用 Section ===== */
.section{position:relative;z-index:1;padding:100px 0;background:rgba(255,255,255,.9);overflow:hidden}
.section-alt{background:rgba(245,249,255,.9)}
.section-alt::before{
    content:'';position:absolute;inset:0;pointer-events:none;
    background-image:
        linear-gradient(rgba(10,122,255,.04) 1px,transparent 1px),
        linear-gradient(90deg,rgba(10,122,255,.04) 1px,transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(ellipse at top,#000 15%,transparent 68%);
    -webkit-mask-image:radial-gradient(ellipse at top,#000 15%,transparent 68%);
}
.section-head{text-align:center;max-width:760px;margin:0 auto 64px}
.section-eyebrow{
    display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);
    letter-spacing:3px;margin-bottom:14px;
    padding:4px 14px;background:rgba(10,122,255,.07);border-radius:50px;
    font-family:var(--font-num);
}
.section-eyebrow::before{content:'[ ';color:var(--c-cyan);font-weight:800}
.section-eyebrow::after{content:' ]';color:var(--c-cyan);font-weight:800}

.section-title{font-size:40px;font-weight:800;color:var(--c-dark);line-height:1.3;margin-bottom:16px}
.section-title .ch{display:inline-block;white-space:pre;opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.section-head.in .section-title .ch{opacity:1;transform:none}
.section-title::after{
    content:'';display:block;width:64px;height:3px;margin:18px auto 0;border-radius:2px;
    background:var(--grad-main);box-shadow:var(--glow-cyan);
    transform:scaleX(0);transition:transform .7s var(--ease) .4s;
}
.section-head.in .section-title::after{transform:scaleX(1)}
.section-desc{font-size:16px;color:var(--c-text-soft)}

/* 滚动揭示（animation 模式，不污染 hover） */
.reveal{opacity:0}
.reveal.in{opacity:1;animation:fadeUp .8s var(--ease) backwards;animation-delay:calc(var(--d,0)*90ms)}

/* 网格子项交错延迟 */
.about-cards .vision-card:nth-child(2){--d:1}
.about-cards .vision-card:nth-child(3){--d:2}
.tech-grid .tech-card:nth-child(2){--d:1}
.tech-grid .tech-card:nth-child(3){--d:2}
.tech-grid .tech-card:nth-child(4){--d:3}
.tech-grid .tech-card:nth-child(5){--d:4}
.tech-grid .tech-card:nth-child(6){--d:5}
.adv-grid .adv-card:nth-child(2){--d:1}
.adv-grid .adv-card:nth-child(3){--d:2}
.adv-grid .adv-card:nth-child(4){--d:3}
.adv-grid .adv-card:nth-child(5){--d:4}
.adv-grid .adv-card:nth-child(6){--d:5}
.media-list .media-item:nth-child(2){--d:1}
.media-list .media-item:nth-child(3){--d:2}
.media-list .media-item:nth-child(4){--d:3}
.media-list .media-item:nth-child(5){--d:4}
.media-list .media-item:nth-child(6){--d:5}
.media-list .media-item:nth-child(7){--d:6}
.media-list .media-item:nth-child(8){--d:7}
.media-list .media-item:nth-child(9){--d:8}
.security-grid .security-card:nth-child(2){--d:1}
.security-grid .security-card:nth-child(3){--d:2}
.security-grid .security-card:nth-child(4){--d:3}
.sol-grid .sol-card:nth-child(2){--d:1}
.sol-grid .sol-card:nth-child(3){--d:2}
.sol-grid .sol-card:nth-child(4){--d:3}
.sol-grid .sol-card:nth-child(5){--d:4}
.clients-grid .client-card:nth-child(2){--d:1}
.clients-grid .client-card:nth-child(3){--d:2}
.clients-grid .client-card:nth-child(4){--d:3}
.clients-grid .client-card:nth-child(5){--d:4}
.clients-grid .client-card:nth-child(6){--d:5}
.clients-grid .client-card:nth-child(7){--d:6}
.clients-grid .client-card:nth-child(8){--d:7}
.clients-grid .client-card:nth-child(9){--d:8}
.clients-grid .client-card:nth-child(10){--d:9}
.clients-grid .client-card:nth-child(11){--d:10}
.clients-grid .client-card:nth-child(12){--d:11}
.process-track .process-step:nth-child(2){--d:1}
.process-track .process-step:nth-child(3){--d:2}
.process-track .process-step:nth-child(4){--d:3}
.process-track .process-step:nth-child(5){--d:4}
.env-row .env-card:nth-child(2){--d:1}
.env-row .env-card:nth-child(3){--d:2}
.env-row .env-card:nth-child(4){--d:3}
.env-row .env-card:nth-child(5){--d:4}
.testi-grid .testi-card:nth-child(2){--d:1}
.testi-grid .testi-card:nth-child(3){--d:2}

/* ===== 8. 关于我们 ===== */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:start}
.about-text h3{font-size:26px;font-weight:700;color:var(--c-dark);margin-bottom:20px;line-height:1.4}
.about-text p{color:var(--c-text-soft);margin-bottom:16px;font-size:15.5px}
.about-text strong{color:var(--c-primary)}
.about-points{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.about-points li{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--c-text);font-weight:500}
.about-points svg{flex-shrink:0;background:rgba(10,132,255,.1);border-radius:6px;padding:2px}

.about-cards{display:flex;flex-direction:column;gap:20px}
.vision-card{
    padding:28px;border-radius:var(--radius-lg);
    background:#fff;border:1px solid var(--c-line);
    box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
    position:relative;overflow:hidden;
}
.vision-card::before{
    content:'';position:absolute;top:0;left:0;width:4px;height:100%;
    background:var(--grad-main);transform:scaleY(0);transform-origin:top;
    transition:transform .4s var(--ease);box-shadow:var(--glow-cyan);
}
.vision-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(10,132,255,.3)}
.vision-card:hover::before{transform:scaleY(1)}
.card-icon{margin-bottom:16px;transition:transform .35s var(--ease)}
.vision-card:hover .card-icon{transform:scale(1.12) rotate(-5deg)}
.vision-card h4{font-size:18px;font-weight:700;color:var(--c-dark);margin-bottom:8px}
.vision-card p{font-size:14px;color:var(--c-text-soft);line-height:1.7}

/* ===== 9. 关于我们 - 视频（自然比例 · 不裁剪不拉伸 · 与下方环境照片同宽）===== */
.about-media{margin-top:56px}
.about-video-wrap{
    position:relative;width:100%;aspect-ratio:16/9;max-height:450px;margin:0 auto;
    border-radius:var(--radius-lg);overflow:hidden;
    box-shadow:var(--shadow-md);border:1px solid var(--c-line);
    background:#0a1a2e;cursor:pointer;
}
.about-video-wrap video{
    display:block;width:100%;height:100%;
    object-fit:contain;          /* 完整显示画面，不裁剪不拉伸，两侧/上下自然留黑 */
    background:#0a1a2e;            /* 黑边底色与容器一致 */
}
/* HUD 扫描线 */
.about-video-wrap::before{
    content:'';position:absolute;left:0;right:0;top:-90px;height:90px;z-index:3;
    background:linear-gradient(transparent,rgba(0,212,255,.14),transparent);
    animation:scanMove 4.5s ease-in-out infinite;pointer-events:none;
}
@keyframes scanMove{0%,100%{transform:translateY(0)}50%{transform:translateY(540px)}}
/* HUD 四角括号 */
.about-video-wrap::after{
    content:'';position:absolute;inset:10px;z-index:4;pointer-events:none;
    background:
        linear-gradient(var(--c-cyan),var(--c-cyan)) left top/26px 2px,
        linear-gradient(var(--c-cyan),var(--c-cyan)) left top/2px 26px,
        linear-gradient(var(--c-cyan),var(--c-cyan)) right top/26px 2px,
        linear-gradient(var(--c-cyan),var(--c-cyan)) right top/2px 26px,
        linear-gradient(var(--c-cyan),var(--c-cyan)) left bottom/26px 2px,
        linear-gradient(var(--c-cyan),var(--c-cyan)) left bottom/2px 26px,
        linear-gradient(var(--c-cyan),var(--c-cyan)) right bottom/26px 2px,
        linear-gradient(var(--c-cyan),var(--c-cyan)) right bottom/2px 26px;
    background-repeat:no-repeat;
    opacity:.85;filter:drop-shadow(0 0 6px rgba(0,212,255,.6));
    transition:opacity .3s var(--ease);
}
.about-video-wrap:hover::after{opacity:1}
.video-overlay{
    position:absolute;inset:0;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:16px;
    background:linear-gradient(180deg,rgba(10,26,46,.5) 0%,rgba(10,26,46,.82) 100%);
    transition:opacity .3s var(--ease);z-index:2;
}
.video-overlay.hidden{opacity:0;pointer-events:none}
.video-play-btn{
    position:relative;width:72px;height:72px;border-radius:50%;
    background:rgba(255,255,255,.15);border:2px solid rgba(255,255,255,.5);
    backdrop-filter:blur(8px);
    display:flex;align-items:center;justify-content:center;
    transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
/* 脉冲待命环 */
.video-play-btn::before{
    content:'';position:absolute;inset:-2px;border-radius:50%;
    border:2px solid rgba(0,212,255,.65);
    animation:ringPulse 2.2s ease-out infinite;
}
@keyframes ringPulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.7);opacity:0}}
.video-play-btn svg{margin-left:4px}
.about-video-wrap:hover .video-play-btn{
    background:var(--c-primary);border-color:var(--c-primary);
    transform:scale(1.08);box-shadow:0 8px 32px rgba(10,122,255,.5);
}
.video-label{color:#fff;font-size:14px;font-weight:600;letter-spacing:1px;text-shadow:0 2px 8px rgba(0,0,0,.4)}

/* ===== 10. 关于我们 - 环境照片 ===== */
.about-env{margin-top:48px}
.env-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.env-card{
    position:relative;border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
    background:#fff;border:1px solid var(--c-line);
}
.env-card img{
    width:100%;height:180px;object-fit:cover;
    transition:transform .5s var(--ease);
}
.env-card::after{
    content:'';position:absolute;left:0;right:0;top:0;height:180px;pointer-events:none;
    background:linear-gradient(160deg,rgba(10,122,255,.22),rgba(0,212,255,.14));
    opacity:0;transition:opacity .4s var(--ease);
}
.env-card:hover{
    box-shadow:var(--shadow-md);transform:translateY(-4px);
    border-color:rgba(10,122,255,.25);
}
.env-card:hover img{transform:scale(1.06)}
.env-card:hover::after{opacity:1}
.env-caption{
    display:block;text-align:center;padding:11px 4px;
    font-size:13px;font-weight:600;color:var(--c-text-soft);
    background:#fff;border-top:1px solid var(--c-line);
    letter-spacing:.5px;
}

/* ===== 11. 核心产品 ===== */
.product-showcase{display:grid;grid-template-columns:1.1fr 1fr;width:100%;min-height:600px}

.showcase-image{
    position:relative;overflow:hidden;
    background:linear-gradient(160deg,#f0f5ff 0%,#e8f0fe 50%,#f4f8ff 100%);
    display:flex;align-items:center;justify-content:center;
    padding:60px 40px;
}
.device-frame{
    position:relative;width:100%;max-width:720px;
    border-radius:16px;overflow:hidden;
    background:#fff;
    box-shadow:
        0 2px 8px rgba(10,50,120,.08),
        0 16px 48px rgba(10,50,120,.14),
        0 40px 80px rgba(10,50,120,.10);
    border:1px solid rgba(10,132,255,.12);
    transition:transform .6s var(--ease),box-shadow .6s var(--ease);
}
.device-frame::after{
    content:'';position:absolute;inset:0;border-radius:16px;pointer-events:none;
    box-shadow:inset 0 0 0 1px rgba(10,132,255,.22),inset 0 0 40px rgba(10,132,255,.05);
}
.device-frame:hover{
    transform:translateY(-4px);
    box-shadow:
        0 4px 16px rgba(10,50,120,.10),
        0 24px 64px rgba(10,50,120,.18),
        0 48px 100px rgba(10,50,120,.14);
}
.device-bar{
    display:flex;align-items:center;gap:8px;
    padding:12px 16px;background:#f7f9fc;
    border-bottom:1px solid var(--c-line);position:relative;
}
.device-bar span{width:12px;height:12px;border-radius:50%;background:#dde3ec}
.device-bar span:first-child{background:#ff5f57}
.device-bar span:nth-child(2){background:#febc2e}
.device-bar span:nth-child(3){background:#28c840}
.device-url{
    position:absolute;left:50%;transform:translateX(-50%);
    font-size:12px;color:var(--c-text-soft);
    background:#fff;padding:4px 16px;border-radius:6px;
    border:1px solid var(--c-line);min-width:220px;text-align:center;
}
.device-frame > img{width:100%;display:block;object-fit:contain;background:#f7f9fc}

.showcase-panel{
    position:relative;overflow:hidden;
    background:var(--grad-deep);
    color:#fff;display:flex;align-items:center;
}
/* 深色面板扫描纹理 */
.showcase-panel::after{
    content:'';position:absolute;inset:0;z-index:1;pointer-events:none;
    background:repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 4px);
}
.panel-glow{
    position:absolute;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(0,212,255,.4),transparent 60%);
    top:-140px;right:-140px;filter:blur(24px);
    animation:glowFloat 12s ease-in-out infinite;
}
@keyframes glowFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(-60px,60px)}}
.panel-inner{position:relative;z-index:2;padding:56px 48px}
.panel-eyebrow{
    display:inline-block;font-size:12px;font-weight:700;letter-spacing:3px;
    color:#cfe5ff;padding:4px 14px;border-radius:50px;
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
    margin-bottom:20px;font-family:var(--font-num);
}
.panel-title{font-size:32px;font-weight:800;color:#fff;line-height:1.35;margin-bottom:12px}
.panel-desc{font-size:15px;color:rgba(255,255,255,.8);margin-bottom:36px}

.panel-features{display:flex;flex-direction:column;gap:16px}
.pf-item{
    display:flex;gap:18px;align-items:flex-start;
    padding:18px 20px;border-radius:14px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.14);
    backdrop-filter:blur(10px);
    transition:background .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease);
}
.pf-item:hover{
    background:rgba(255,255,255,.16);
    border-color:rgba(0,212,255,.55);
    transform:translateX(8px);
}
.pf-num{
    font-family:var(--font-num);font-variant-numeric:tabular-nums;
    font-size:20px;font-weight:800;color:#fff;flex-shrink:0;line-height:1.4;
    text-shadow:0 0 14px rgba(0,212,255,.6);
}
.pf-item h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px}
.pf-item p{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.65}

/* ===== 12. 服务流程（流动数据线）===== */
.process-track{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;position:relative}
.process-track::before{
    content:'';position:absolute;top:42px;left:10%;right:10%;height:2px;z-index:0;
    background:repeating-linear-gradient(90deg,rgba(0,212,255,.55) 0 14px,transparent 14px 28px);
    background-size:28px 2px;opacity:.5;
    animation:dashFlow 1.1s linear infinite;
}
@keyframes dashFlow{to{background-position:28px 0}}
.process-step{
    position:relative;z-index:1;text-align:center;padding:24px 16px;
    border-radius:var(--radius);background:#fff;border:1px solid var(--c-line);
    transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.process-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(10,132,255,.2)}
.step-num{
    font-family:var(--font-num);font-variant-numeric:tabular-nums;
    font-size:13px;font-weight:800;color:#fff;background:var(--grad-main);
    width:36px;height:36px;border-radius:50%;display:flex;align-items:center;
    justify-content:center;margin:0 auto 16px;
    box-shadow:0 4px 12px rgba(10,132,255,.3);
    transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.process-step:hover .step-num{transform:scale(1.12);box-shadow:0 0 20px rgba(0,212,255,.5)}
.step-icon{
    width:56px;height:56px;margin:0 auto 16px;display:flex;align-items:center;
    justify-content:center;background:linear-gradient(135deg,rgba(10,132,255,.08),rgba(0,212,255,.1));
    border-radius:14px;transition:transform .35s var(--ease);
}
.process-step:hover .step-icon{transform:translateY(-4px) scale(1.06)}
.process-step h3{font-size:16px;font-weight:700;color:var(--c-dark);margin-bottom:8px}
.process-step p{font-size:13px;color:var(--c-text-soft);line-height:1.65}

/* ===== 13. 技术能力 ===== */
.tech-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.tech-card{
    padding:32px;border-radius:var(--radius-lg);background:#fff;
    border:1px solid var(--c-line);
    transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
    position:relative;overflow:hidden;
}
.tech-card::before{
    content:'';position:absolute;top:0;left:0;right:0;height:3px;
    background:var(--grad-main);box-shadow:var(--glow-cyan);
    transform:scaleX(0);transform-origin:left;
    transition:transform .4s var(--ease);
}
.tech-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:rgba(10,132,255,.2)}
.tech-card:hover::before{transform:scaleX(1)}
.tech-icon{
    width:56px;height:56px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,rgba(10,132,255,.1),rgba(0,212,255,.1));
    border-radius:14px;margin-bottom:20px;
    transition:transform .4s var(--ease);
}
.tech-card:hover .tech-icon{transform:rotate(-6deg) scale(1.1)}
.tech-card h3{font-size:19px;font-weight:700;color:var(--c-dark);margin-bottom:10px}
.tech-card p{font-size:14px;color:var(--c-text-soft);line-height:1.7;margin-bottom:18px}
.tech-tags{display:flex;flex-wrap:wrap;gap:8px}
.tech-tags span{
    font-size:12px;padding:4px 10px;border-radius:50px;
    background:rgba(10,132,255,.07);color:var(--c-primary);font-weight:600;
    transition:background .3s var(--ease),color .3s var(--ease);
}
.tech-card:hover .tech-tags span{background:rgba(0,212,255,.12);color:var(--c-primary-deep)}

/* ===== 14. 核心优势（流动渐变描边）===== */
.adv-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.adv-card{
    padding:36px 28px;border-radius:var(--radius-lg);background:#fff;
    text-align:center;border:1px solid var(--c-line);
    transition:transform .4s var(--ease),box-shadow .4s var(--ease);
    position:relative;
}
.adv-card::after{
    content:'';position:absolute;inset:0;border-radius:var(--radius-lg);
    padding:1.5px;background:var(--grad-flow);background-size:300% 100%;
    -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
    -webkit-mask-composite:xor;mask-composite:exclude;
    opacity:0;transition:opacity .4s var(--ease);pointer-events:none;
}
.adv-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.adv-card:hover::after{opacity:1;animation:borderFlow 2.4s linear infinite}
@keyframes borderFlow{to{background-position:300% 0}}
.adv-icon{
    width:64px;height:64px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,rgba(10,132,255,.1),rgba(0,212,255,.15));
    border-radius:18px;transition:transform .4s var(--ease);
}
.adv-card:hover .adv-icon{transform:scale(1.1) rotate(-5deg)}
.adv-card h3{font-size:19px;font-weight:700;color:var(--c-dark);margin-bottom:10px}
.adv-card p{font-size:14px;color:var(--c-text-soft);line-height:1.7}

/* ===== 15. 媒体报道 ===== */
.adv-media{margin-top:56px;padding-top:40px;border-top:1px solid var(--c-line)}
.adv-media-title{font-size:20px;font-weight:700;color:var(--c-dark);text-align:center;margin-bottom:24px}
.media-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.media-item{
    display:flex;background:#fff;border:1px solid var(--c-line);
    border-radius:var(--radius);overflow:hidden;
    transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.media-item:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(10,122,255,.25)}
.media-thumb{position:relative;width:140px;flex-shrink:0;overflow:hidden;background:var(--c-bg-soft)}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.media-thumb::after{
    content:'';position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(160deg,rgba(10,122,255,.25),rgba(0,212,255,.15));
    opacity:0;transition:opacity .4s var(--ease);
}
.media-item:hover .media-thumb img{transform:scale(1.07)}
.media-item:hover .media-thumb::after{opacity:1}
.media-info{flex:1;padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.media-source{font-size:12px;font-weight:700;color:var(--c-primary);letter-spacing:.5px;transition:letter-spacing .3s var(--ease)}
.media-item:hover .media-source{letter-spacing:1.2px}
.media-title{
    font-size:14px;font-weight:600;color:var(--c-dark);line-height:1.55;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color .3s var(--ease);
}
.media-item:hover .media-title{color:var(--c-primary)}
.media-date{font-size:12px;color:var(--c-text-soft);margin-top:auto}

/* ===== 16. 数据安全 ===== */
.security-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-bottom:40px}
.security-card{
    padding:36px 24px;border-radius:var(--radius-lg);background:#fff;
    border:1px solid var(--c-line);text-align:center;
    transition:transform .4s var(--ease),box-shadow .4s var(--ease);
    position:relative;overflow:hidden;
}
.security-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.security-badge{
    width:72px;height:72px;margin:0 auto 18px;display:flex;align-items:center;
    justify-content:center;background:linear-gradient(135deg,rgba(10,132,255,.08),rgba(0,212,255,.12));
    border-radius:18px;transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.security-card:hover .security-badge{transform:scale(1.08);box-shadow:0 0 32px rgba(0,212,255,.3)}
.security-card h3{font-size:17px;font-weight:700;color:var(--c-dark);margin-bottom:8px}
.security-card p{font-size:13.5px;color:var(--c-text-soft);line-height:1.65}

.security-banner{
    display:flex;align-items:center;justify-content:center;gap:0;
    padding:32px;border-radius:var(--radius-lg);
    background:var(--grad-deep);
    color:#fff;position:relative;overflow:hidden;
}
.security-banner::before{
    content:'';position:absolute;width:400px;height:400px;border-radius:50%;
    background:radial-gradient(circle,rgba(0,212,255,.2),transparent 60%);
    top:-150px;right:-100px;
}
.security-banner::after{
    content:'';position:absolute;inset:0;pointer-events:none;
    background:repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 4px);
}
.sb-item{flex:1;text-align:center;position:relative;z-index:1}
.sb-num{
    display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
    font-size:28px;font-weight:800;color:#fff;margin-bottom:4px;
    text-shadow:0 0 18px rgba(0,212,255,.5);
}
.sb-label{font-size:13px;color:rgba(255,255,255,.65)}
.sb-divider{width:1px;height:40px;background:rgba(255,255,255,.15)}

/* ===== 16b. 资质与成果（横向无缝滚动条）===== */
.credits-wrap{margin-top:56px;padding-top:40px;border-top:1px solid var(--c-line)}
.credits-head{text-align:center;margin-bottom:28px}
.credits-title{font-size:22px;font-weight:700;color:var(--c-dark);margin-top:6px}
.credits-title::after{
    content:'';display:block;width:48px;height:3px;margin:12px auto 0;border-radius:2px;
    background:var(--grad-main);box-shadow:var(--glow-cyan);
}
.credits-marquee{overflow:hidden;padding:10px 0}
.cm-track{display:flex;width:max-content;animation:creditsLeft 42s linear infinite}
.credits-marquee:hover .cm-track{animation-play-state:paused}
@keyframes creditsLeft{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.credit-card{
    width:200px;flex-shrink:0;margin-right:16px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.credit-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(0,212,255,.4)}
.credit-img{
    position:relative;width:100%;aspect-ratio:3/4;overflow:hidden;background:#f0f5ff;
}
.credit-img img{
    width:100%;height:100%;object-fit:contain;background:#fff;padding:10px;
    transition:transform .5s var(--ease);
}
.credit-card:hover .credit-img img{transform:scale(1.05)}
.credit-cap{
    text-align:center;padding:10px 6px;font-size:12px;font-weight:600;
    color:var(--c-text);background:#fff;border-top:1px solid var(--c-line);
    letter-spacing:.2px;
}

/* ===== 17. 应用场景 ===== */
.sol-grid{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
    grid-template-rows:200px 200px;gap:20px;
}
.sol-card{
    border-radius:var(--radius-lg);overflow:hidden;position:relative;
    background:var(--grad-deep);
    border:1px solid rgba(0,212,255,.15);
    transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.sol-card::before{
    content:'';position:absolute;inset:0;
    background:radial-gradient(circle at 80% 20%,rgba(0,212,255,.3),transparent 60%);
    opacity:.7;transition:opacity .4s var(--ease);
}
.sol-lg{grid-column:span 2;grid-row:span 2}
.sol-inner{
    position:relative;z-index:2;padding:28px;height:100%;
    display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
}
.sol-tag{
    display:inline-block;width:fit-content;padding:4px 12px;border-radius:50px;
    font-size:11px;font-weight:600;color:var(--c-cyan);
    background:rgba(0,212,255,.15);border:1px solid rgba(0,212,255,.3);
    margin-bottom:auto;
    animation:floatY 3.2s ease-in-out infinite;
}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.sol-inner h3{font-size:22px;font-weight:700;margin-bottom:8px}
.sol-lg .sol-inner h3{font-size:28px}
.sol-inner p{font-size:13.5px;color:rgba(255,255,255,.75);line-height:1.7}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(0,212,255,.45)}
.sol-card:hover::before{opacity:1}

/* ===== 18. 客户服务（hover 扫光）===== */
.clients-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
@media(max-width:1024px){.clients-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:640px){.clients-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}}
.client-card{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
    overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease);
    box-shadow:var(--shadow-sm);position:relative;
}
.client-card::before{
    content:'';position:absolute;inset:0;border-radius:var(--radius);
    padding:1.5px;background:var(--grad-main);
    -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
    -webkit-mask-composite:xor;mask-composite:exclude;
    opacity:0;transition:opacity .4s var(--ease);pointer-events:none;z-index:2;
}
.client-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.client-card:hover::before{opacity:1}
.client-logo{position:relative;width:100%;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:24px;background:#fff;overflow:hidden}
.client-logo::after{
    content:'';position:absolute;top:0;left:-80%;width:50%;height:100%;
    background:linear-gradient(105deg,transparent,rgba(10,132,255,.14),transparent);
    transform:skewX(-20deg);transition:left .7s var(--ease);pointer-events:none;
}
.client-card:hover .client-logo::after{left:135%}
.client-logo img{
    width:100%;height:100%;object-fit:contain;
    filter:grayscale(60%) opacity(.85);
    transition:filter .4s var(--ease),transform .4s var(--ease);
}
.client-card:hover .client-logo img{filter:grayscale(0) opacity(1);transform:scale(1.07)}

/* ===== 19. 合作案例无缝滚动 ===== */
.marquee-wrap{position:relative;overflow:hidden;padding:8px 0;margin-bottom:48px}
.marquee-mask{position:absolute;top:0;bottom:0;width:80px;z-index:3;pointer-events:none}
.marquee-mask.left{left:0;background:linear-gradient(90deg,var(--c-bg) 0%,transparent 100%)}
.marquee-mask.right{right:0;background:linear-gradient(270deg,var(--c-bg) 0%,transparent 100%)}
.marquee-row{overflow:hidden;padding:10px 0;margin-bottom:2px}
.marquee-row:last-child{margin-bottom:0}
.marquee-track{display:flex;width:max-content}
.row-top .marquee-track{animation:marqueeLeft 40s linear infinite}
.row-bottom .marquee-track{animation:marqueeRight 45s linear infinite}
.marquee-wrap:hover .marquee-track{animation-play-state:paused}
.case-card{
    position:relative;width:240px;height:160px;flex-shrink:0;margin-right:16px;
    border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow-sm);
    background:#fff;border:1px solid var(--c-line);
    transition:box-shadow .4s var(--ease),transform .4s var(--ease);
}
.case-card::after{
    content:'';position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(160deg,rgba(10,122,255,.22),rgba(0,212,255,.12));
    opacity:0;transition:opacity .4s var(--ease);
}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.case-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.case-card:hover img{transform:scale(1.05)}
.case-card:hover::after{opacity:1}
@keyframes marqueeLeft{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
@keyframes marqueeRight{0%{transform:translateX(-50%)}100%{transform:translateX(0)}}

/* ===== 20. 客户评价 ===== */
.testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.testi-card{
    padding:36px 28px;border-radius:var(--radius-lg);background:#fff;
    border:1px solid var(--c-line);position:relative;
    transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.testi-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(10,132,255,.2)}
.testi-quote{
    font-size:56px;font-weight:800;color:rgba(0,212,255,.18);
    line-height:1;position:absolute;top:12px;right:24px;font-family:Georgia,serif;
    text-shadow:0 0 24px rgba(0,212,255,.25);
}
.testi-text{font-size:14.5px;color:var(--c-text);line-height:1.8;margin-bottom:24px;position:relative;z-index:1}
.testi-author{display:flex;align-items:center;gap:14px}
.testi-avatar{
    width:44px;height:44px;border-radius:50%;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
    background:var(--grad-main);color:#fff;font-size:18px;font-weight:700;
    box-shadow:0 4px 14px rgba(10,122,255,.3);
}
.testi-name{display:block;font-size:15px;font-weight:700;color:var(--c-dark)}
.testi-company{display:block;font-size:12.5px;color:var(--c-text-soft)}

/* ===== 21. 联系我们 ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info{
    padding:40px;border-radius:var(--radius-lg);
    background:var(--grad-deep);
    color:#fff;position:relative;overflow:hidden;
}
.contact-info::before{
    content:'';position:absolute;width:400px;height:400px;border-radius:50%;
    background:radial-gradient(circle,rgba(0,212,255,.25),transparent 60%);
    top:-150px;right:-150px;
}
.contact-info::after{
    content:'';position:absolute;inset:0;pointer-events:none;
    background:repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 4px);
}
.contact-info h3{font-size:24px;font-weight:700;position:relative;z-index:1;margin-bottom:6px}
.contact-en{font-size:11px;letter-spacing:1.5px;color:rgba(255,255,255,.5);position:relative;z-index:1;margin-bottom:32px}
.contact-list{display:flex;flex-direction:column;gap:20px;position:relative;z-index:1}
.contact-list li{display:flex;align-items:center;gap:16px}
.ci-icon{
    width:44px;height:44px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
    border-radius:12px;backdrop-filter:blur(8px);
    transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.contact-list li:hover .ci-icon{background:rgba(0,212,255,.18);border-color:rgba(0,212,255,.5);transform:scale(1.08)}
.ci-label{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-bottom:2px}
.ci-value{display:block;font-size:15px;font-weight:600;color:#fff}

/* 二维码+地图 */
.ci-wechat-row{align-items:flex-start}
.ci-qr-map-wrap{flex:1;display:flex;gap:16px}
.ci-qr-wrap,.ci-map-wrap{flex:1}
.ci-qr-placeholder,.ci-map-placeholder{
    display:flex;flex-direction:column;align-items:center;gap:8px;
    margin-top:10px;padding:14px 12px;border-radius:12px;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
    backdrop-filter:blur(8px);
    transition:border-color .3s var(--ease),background .3s var(--ease);
}
.ci-qr-placeholder:hover,.ci-map-placeholder:hover{border-color:rgba(0,212,255,.45);background:rgba(255,255,255,.12)}
.qr-box{
    width:100px;height:100px;display:flex;align-items:center;justify-content:center;
    padding:6px;border-radius:8px;background:rgba(255,255,255,.05);
}
.qr-img{width:100%;height:100%;object-fit:contain;display:block}
.ci-qr-tip{font-size:11px;color:rgba(255,255,255,.6);letter-spacing:1px}
.ci-icon-qr{align-items:flex-start;padding-top:6px}

.map-preview{position:relative;border-radius:10px;overflow:hidden;background:rgba(255,255,255,.05);width:100%}
.map-svg{width:100%;height:auto;display:block;border-radius:10px}
.map-nav-btn{
    position:absolute;bottom:10px;right:10px;
    display:inline-flex;align-items:center;gap:5px;
    padding:6px 12px;border-radius:20px;
    background:rgba(10,122,255,.92);color:#fff;
    font-size:12px;font-weight:600;letter-spacing:.5px;
    box-shadow:0 4px 14px rgba(10,122,255,.4);
    transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.map-nav-btn:hover{background:var(--c-cyan);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,212,255,.5)}

/* 表单 */
.contact-form{
    padding:40px;border-radius:var(--radius-lg);background:#fff;
    border:1px solid var(--c-line);box-shadow:var(--shadow-md);
    transition:box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.contact-form:hover{border-color:rgba(10,132,255,.25)}
.contact-form h3{font-size:22px;font-weight:700;color:var(--c-dark);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form input,.contact-form textarea{
    width:100%;padding:13px 16px;margin-bottom:14px;border-radius:10px;
    border:1px solid var(--c-line);font-size:14px;font-family:inherit;
    background:var(--c-bg-soft);
    transition:border-color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
    color:var(--c-text);
}
.contact-form input:focus,.contact-form textarea:focus{
    outline:none;border-color:var(--c-primary);background:#fff;
    box-shadow:0 0 0 4px rgba(10,132,255,.1),0 0 20px rgba(10,132,255,.1);
}
.contact-form textarea{resize:vertical}
.form-tip{margin-top:12px;font-size:13px;color:var(--c-primary);text-align:center;min-height:18px}

/* ===== 22. 页脚 ===== */
.footer{
    background:linear-gradient(180deg,var(--c-dark) 0%,#0a1f3e 100%);
    color:rgba(255,255,255,.65);position:relative;z-index:1;
}
.footer::before{
    content:'';position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(0,212,255,.5),transparent);
}
.footer-inner{display:grid;grid-template-columns:1.4fr 2fr;gap:60px;padding:64px 24px 40px}
.footer-brand p{margin-top:20px;font-size:14px;line-height:1.7;max-width:380px}
.footer .logo-name{color:#fff}
.footer .logo-en{color:var(--c-cyan)}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.footer-col h5{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:1px}
.footer-col a{
    display:block;font-size:14px;color:rgba(255,255,255,.55);margin-bottom:12px;
    transition:color .25s var(--ease),transform .25s var(--ease);
}
.footer-col a:hover{color:var(--c-cyan);transform:translateX(4px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;background:rgba(0,0,0,.15)}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-copyright{font-size:13px;color:rgba(255,255,255,.45)}
.footer-beian{display:flex;align-items:center}
.beian-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.55);text-decoration:none;transition:color .25s ease,transform .25s ease;padding:4px 10px;border-radius:6px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
.beian-link:hover{color:#5eead4;background:rgba(94,234,212,.08);border-color:rgba(94,234,212,.3);transform:translateY(-1px)}
.beian-icon{width:15px;height:15px;flex-shrink:0}
@media(max-width:640px){.footer-bottom-inner{flex-direction:column;text-align:center}}

/* ===== 23. 无障碍（减少动态效果）===== */
@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{animation:none!important;transition:none!important}
    .reveal,.section-title .ch{opacity:1;transform:none}
    .section-title::after{transform:scaleX(1)}
    .marquee-track{transform:none}
}