/* =========================================================
   英霏科技 - 官网新版样式 (深色科技时尚风)
   ========================================================= */
:root{
    --bg:#060a13;
    --bg2:#0a101f;
    --card:#0e1628;
    --card2:#111a30;
    --line:rgba(148,163,190,.14);
    --line2:rgba(148,163,190,.28);
    --txt:#e9eefb;
    --mut:#93a0bc;
    --dim:#5f6b87;
    --nav-h:74px;
    --r:18px;
    --grad:linear-gradient(100deg,#22d3ee 0%,#6d8dff 45%,#a06bff 75%,#ff6fc8 100%);
    --grad-soft:linear-gradient(100deg,rgba(34,211,238,.16),rgba(109,141,255,.16),rgba(160,107,255,.16));
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    background:var(--bg);
    color:var(--txt);
    font-family:"PingFang SC","Microsoft YaHei","Segoe UI","Helvetica Neue",Arial,sans-serif;
    font-size:16px;line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
ul,ol{list-style:none}
::selection{background:rgba(109,141,255,.4)}

.wrap{width:min(1240px,92%);margin:0 auto}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

section[id]{scroll-margin-top:calc(var(--nav-h) + 12px)}

/* ---------------- 顶部导航 ---------------- */
.site-nav{
    position:fixed;inset:0 0 auto;z-index:100;height:var(--nav-h);
    display:flex;align-items:center;
    background:rgba(6,10,19,.55);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid transparent;
    transition:background .3s,border-color .3s,box-shadow .3s;
}
.site-nav.scrolled{background:rgba(6,10,19,.86);border-color:var(--line);box-shadow:0 8px 30px rgba(0,0,0,.35)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{height:36px;width:auto}
.brand-text{font-size:20px;font-weight:700;letter-spacing:1px;color:#fff;white-space:nowrap}
.brand-text em{font-style:normal;font-weight:400;font-size:15px;color:var(--mut);margin-left:4px;letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-item{
    position:relative;padding:8px 14px;font-size:15px;color:var(--mut);
    transition:color .25s;border-radius:10px;
}
.nav-item::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
    background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s;
}
.nav-item:hover,.nav-item.active{color:#fff}
.nav-item:hover::after,.nav-item.active::after{transform:scaleX(1)}
.nav-cta{
    margin-left:12px;padding:9px 22px;border-radius:999px;color:#fff;font-size:15px;
    background:var(--grad);box-shadow:0 6px 18px rgba(109,141,255,.35);
    transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(160,107,255,.45)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px}
.burger span{width:24px;height:2px;background:#e9eefb;border-radius:2px;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- 通用区块 ---------------- */
.sec{position:relative;padding:100px 0}
.sec-alt{background:linear-gradient(180deg,var(--bg2),rgba(10,16,31,.4))}
.sec-head{text-align:center;max-width:760px;margin:0 auto 56px}
.sec-head.left{text-align:left;margin:0 0 26px;max-width:none}
.sec-tag{
    display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
    padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:2px;color:#a9c4ff;
    border:1px solid rgba(109,141,255,.35);background:rgba(109,141,255,.08);
}
.sec-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad)}
.sec-head h2{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.3;letter-spacing:.5px}
.sec-head p{color:var(--mut);margin-top:16px}

.eyebrow{display:inline-flex;align-items:center;gap:10px;color:#9db4e8;letter-spacing:2px;font-size:13px}
.eyebrow i{width:26px;height:1px;background:var(--grad)}

/* 按钮 */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 34px;border-radius:999px;font-size:15.5px;font-weight:600;
    transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;
    border:1px solid transparent;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(109,141,255,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(160,107,255,.5)}
.btn-ghost{color:#dbe5ff;border-color:rgba(160,170,200,.4);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:rgba(160,170,200,.8);transform:translateY(-3px)}

/* ---------------- Hero ---------------- */
.hero{
    position:relative;min-height:100vh;display:flex;align-items:center;
    padding:calc(var(--nav-h) + 40px) 0 40px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;overflow:hidden;z-index:0}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55}
.b1{width:560px;height:560px;background:radial-gradient(circle,#1f6bff55,transparent 65%);top:-160px;left:-120px}
.b2{width:520px;height:520px;background:radial-gradient(circle,#b44cff44,transparent 65%);bottom:-140px;right:-80px}
.b3{width:380px;height:380px;background:radial-gradient(circle,#00e0d044,transparent 65%);top:30%;left:52%}
.gridline{
    position:absolute;inset:0;
    background-image:
        linear-gradient(rgba(120,140,190,.05) 1px,transparent 1px),
        linear-gradient(90deg,rgba(120,140,190,.05) 1px,transparent 1px);
    background-size:56px 56px;
    -webkit-mask-image:radial-gradient(ellipse 90% 75% at 50% 40%,#000 30%,transparent 75%);
    mask-image:radial-gradient(ellipse 90% 75% at 50% 40%,#000 30%,transparent 75%);
}
.hero-grid{
    position:relative;z-index:2;
    display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.hero-title{font-size:clamp(38px,5.6vw,64px);font-weight:900;line-height:1.22;margin:22px 0;letter-spacing:1px}
.hero-title .grad{display:inline-block}
.hero-sub{color:var(--mut);font-size:17px;max-width:560px}
.hero-sub b{color:#dfe7ff;font-weight:600}
.hero-actions{display:flex;gap:16px;margin:34px 0 40px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;flex-wrap:wrap}
.hero-stats li{display:flex;align-items:center;gap:12px}
.hero-stats b{font-size:32px;font-weight:900;line-height:1;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--dim);line-height:1.5}

/* hero 右侧视觉：表盘圆环装置，中央内容随类别切换，四周浮动文字可点选 */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:560px}
.hero-stage{position:relative;display:flex;align-items:center;justify-content:center;z-index:2;width:100%}
/* 外圈圆环（表盘样式）：随中央内容自动变大 */
.device-ring{
    position:absolute;inset:0;margin:auto;z-index:0;
    width:min(440px,90%);aspect-ratio:1;border-radius:50%;pointer-events:none;
    background:radial-gradient(circle,rgba(34,211,238,.10),rgba(109,141,255,.08) 45%,transparent 70%);
    animation:spin 30s linear infinite;
}
.device-ring::before{
    content:"";position:absolute;inset:0;border-radius:50%;
    border:1px dashed rgba(140,165,255,.35);
}
.device-ring::after{
    content:"";position:absolute;inset:0;border-radius:50%;
    border:1px solid rgba(148,163,190,.14);
}
.device-ring em{
    position:absolute;top:-8px;left:calc(50% - 8px);width:16px;height:16px;border-radius:50%;
    background:var(--grad);box-shadow:0 0 18px rgba(160,107,255,.95);
}
@keyframes spin{to{transform:rotate(360deg)}}
/* 中央展示屏：圆形(表盘) / 竖屏(主题) / 键盘面板(输入法)；形态瞬间切换，只淡入图片 */
.device-screen{
    position:relative;z-index:2;overflow:hidden;display:block;background:#05070f;
    box-shadow:0 36px 90px rgba(4,8,20,.7),inset 0 0 0 1px rgba(148,163,190,.14);
}
.device-screen.is-watch{width:min(290px,76%);aspect-ratio:1;border-radius:50%}
.device-screen.is-theme{width:min(218px,58%);aspect-ratio:9/19.2;border-radius:30px}
.device-screen.is-ime{width:min(264px,70%);aspect-ratio:3/4;border-radius:22px}
.device-img{width:100%;height:100%;object-fit:cover;display:block;border-radius:inherit}
/* 类别不同 → 圆环同比例放大，始终环绕中央内容（主题内容最高，圆环最大） */
.hero-visual[data-cat="watch"] .device-ring{width:min(460px,92%)}
.hero-visual[data-cat="theme"] .device-ring{width:min(700px,100%)}
.hero-visual[data-cat="ime"] .device-ring{width:min(540px,96%)}
/* 四周浮动文字按钮（可点击，选中态高亮） */
.float-chip{
    position:absolute;z-index:5;padding:8px 20px;border-radius:999px;font-size:13.5px;color:var(--mut);
    background:rgba(13,20,38,.82);border:1px solid var(--line2);cursor:pointer;font-family:inherit;
    box-shadow:0 12px 30px rgba(0,0,0,.35);
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    transition:color .3s,border-color .3s,background .3s,box-shadow .3s;
    animation:floaty 5.5s ease-in-out infinite;
}
.float-chip:hover{color:#fff;border-color:rgba(160,170,200,.65)}
.float-chip.is-active{
    color:#fff;border-color:transparent;background:var(--grad);
    box-shadow:0 12px 30px rgba(0,0,0,.35),0 0 24px rgba(109,141,255,.5);
}
.fc1{top:12%;left:1%}
.fc2{bottom:13%;left:2%;animation-delay:1.2s}
.fc3{top:38%;right:0;animation-delay:2.2s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}

/* ---------------- 跑马灯 ---------------- */
.marquee{
    position:relative;overflow:hidden;padding:8px 0 26px;
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
    mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.marquee-track{display:flex;width:max-content;animation:mq 42s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}
.mq-item{
    width:340px;height:200px;flex:none;border-radius:16px;overflow:hidden;
    border:1px solid var(--line);position:relative;margin-right:16px;
}
.mq-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.mq-item:hover img{transform:scale(1.06)}

/* ---------------- 业务领域 ---------------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc-card{
    background:linear-gradient(180deg,var(--card),rgba(14,22,40,.6));
    border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
    display:flex;flex-direction:column;
    transition:transform .35s,border-color .35s,box-shadow .35s;
}
.svc-card:hover{transform:translateY(-8px);border-color:rgba(109,141,255,.45);box-shadow:0 24px 60px rgba(0,0,0,.45)}
.svc-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.svc-card:hover .svc-media img{transform:scale(1.07)}
.svc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(6,10,19,.88))}
.svc-icon{
    position:absolute;right:16px;top:14px;z-index:2;width:46px;height:46px;border-radius:14px;
    display:grid;place-items:center;font-size:22px;color:#fff;background:var(--grad);
    box-shadow:0 10px 22px rgba(109,141,255,.45);
}
.svc-body{padding:24px}
.svc-body h3{font-size:22px;margin-bottom:10px}
.svc-body p{color:var(--mut);font-size:14.5px;margin-bottom:16px}
.svc-body ul{display:grid;gap:8px}
.svc-body ul li{position:relative;padding-left:22px;font-size:13.5px;color:#c6d1ea}
.svc-body ul li::before{
    content:"";position:absolute;left:0;top:9px;width:11px;height:11px;
    background:var(--grad);-webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="black" d="M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z"/></svg>') center/contain no-repeat;
    mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="black" d="M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z"/></svg>') center/contain no-repeat;
}
.svc-note{text-align:center;color:var(--mut);font-size:14px;margin-top:44px}
.svc-note::before{content:"✦ ";color:#8faeff}

/* ---------------- 作品区 ---------------- */
.work-tabs{
    display:flex;justify-content:center;gap:12px;margin-bottom:38px;flex-wrap:wrap;
}
.wt{
    display:inline-flex;align-items:center;gap:8px;padding:11px 28px;border-radius:999px;
    background:transparent;color:var(--mut);font-size:15.5px;border:1px solid var(--line2);
    transition:.3s;
}
.wt em{
    font-style:normal;font-size:11px;padding:2px 8px;border-radius:999px;
    background:rgba(148,163,190,.16);color:#c6d1ea;
}
.wt:hover{color:#fff;border-color:rgba(160,170,200,.55)}
.wt.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 26px rgba(109,141,255,.4)}
.wt.is-active em{background:rgba(255,255,255,.25);color:#fff}
.wpanel{display:none}
.wpanel.is-active{display:block;animation:fadeUp .5s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.wpanel-tip{text-align:center;color:var(--dim);font-size:13.5px;margin:-16px 0 30px}

/* 主题卡片 */
.themes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.th-card{
    position:relative;border-radius:var(--r);overflow:hidden;cursor:pointer;
    border:1px solid var(--line);aspect-ratio:16/10;
    transition:transform .35s,border-color .35s,box-shadow .35s;
}
.th-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.th-card:hover{transform:translateY(-6px);border-color:rgba(109,141,255,.5);box-shadow:0 22px 50px rgba(0,0,0,.5)}
.th-card:hover img{transform:scale(1.06)}
.th-meta{
    position:absolute;inset:auto 0 0;padding:22px 20px 16px;
    background:linear-gradient(180deg,transparent,rgba(5,8,16,.94));
    z-index:2;
}
.th-meta h3{font-size:19px;font-weight:700;color:#fff}
.th-meta p{font-size:12.5px;color:#b9c6e2;margin-top:4px;display:flex;gap:6px;align-items:center}
.th-meta p .dot{width:4px;height:4px;border-radius:50%;background:var(--grad)}
.th-card .th-open{
    position:absolute;inset:auto 16px 16px auto;z-index:3;opacity:0;transform:translateY(8px);
    padding:7px 16px;border-radius:999px;font-size:12.5px;color:#fff;
    background:rgba(10,14,26,.75);border:1px solid rgba(255,255,255,.28);
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
    transition:.3s;display:flex;align-items:center;gap:6px;
}
.th-card:hover .th-open{opacity:1;transform:none}
.th-open svg{width:12px;height:12px}

/* 表盘网格 */
.wf-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.wf-card{
    position:relative;aspect-ratio:1;border-radius:16px;overflow:hidden;cursor:pointer;
    border:1px solid var(--line);background:#000;
    padding:8px;
    transition:transform .3s,border-color .3s,box-shadow .3s;
}
.wf-card img{
    display:block;width:100%;height:100%;object-fit:contain;border-radius:0;
}
.wf-card:hover{transform:translateY(-5px);border-color:rgba(160,107,255,.55);box-shadow:0 16px 40px rgba(0,0,0,.5)}
.wf-card::after{
    content:"";position:absolute;inset:8px;border-radius:9px;pointer-events:none;
    background:linear-gradient(180deg,transparent 55%,rgba(5,8,16,.6));
    opacity:0;transition:.3s;
}
.wf-card:hover::after{opacity:1}
.wf-card .wf-frame{
    position:absolute;inset:8px;border-radius:9px;pointer-events:none;
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.07);
}
.wf-play{
    position:absolute;inset:0;margin:auto;width:52px;height:52px;z-index:2;
    display:grid;place-items:center;border-radius:50%;
    background:rgba(10,14,26,.55);border:1px solid rgba(255,255,255,.35);
    color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
    opacity:0;transform:scale(.8);transition:.3s;
}
.wf-card:hover .wf-play{opacity:1;transform:scale(1)}
.wf-play svg{width:18px;height:18px;margin-left:3px}
.wf-name{
    position:absolute;left:0;right:0;bottom:8px;z-index:2;padding:8px 12px 6px;font-size:12.5px;
    color:#dfe6ff;text-align:center;opacity:0;transform:translateY(6px);transition:.3s;
}
.wf-card:hover .wf-name{opacity:1;transform:none}

/* 主题演示视频入口（瀑布流） */
.tv-more{margin-top:52px;text-align:center}
.tv-more-btn{
    display:inline-flex;align-items:center;gap:10px;padding:13px 30px;border-radius:999px;
    font-size:15px;color:#e9eefb;cursor:pointer;font-family:inherit;
    background:linear-gradient(120deg,rgba(34,211,238,.12),rgba(160,107,255,.14));
    border:1px solid rgba(109,141,255,.45);
    transition:.3s;box-shadow:0 10px 26px rgba(0,0,0,.25);
}
.tv-more-btn:hover{border-color:rgba(160,107,255,.8);transform:translateY(-2px);box-shadow:0 14px 32px rgba(109,141,255,.35)}
.tv-more-btn .tv-more-ic{
    width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#fff;
    background:var(--grad);
}
.tv-more-btn .tv-more-ic svg{width:13px;height:13px;margin-left:2px}
.tv-more-btn em{
    font-style:normal;font-size:12px;padding:2px 10px;border-radius:999px;
    background:rgba(148,163,190,.18);color:#c6d1ea;
}
.tv-more-btn .tv-more-arrow{font-size:13px;color:#93a0bc;transition:transform .3s;margin-left:2px}
.tv-more.open .tv-more-btn .tv-more-arrow{transform:rotate(180deg)}
.tv-more-tip{margin:14px 0 0}
.tv-more-panel{
    display:none;margin-top:8px;
}
.tv-more.open .tv-more-panel{display:block;animation:fadeUp .5s ease both}
/* 主题演示视频网格：行优先排列，避免多列瀑布流产生空位 */
.tv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:start}
.tv-card{
    position:relative;border-radius:16px;overflow:hidden;cursor:pointer;
    border:1px solid var(--line);background:#04070e;padding:6px;
    margin:0;display:block;width:100%;
    transition:transform .3s,border-color .3s,box-shadow .3s;
}
.tv-card img{
    display:block;width:100%;height:auto;border-radius:11px;
    transition:transform .6s;
}
.tv-card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.55);box-shadow:0 18px 44px rgba(0,0,0,.55)}
.tv-card:hover img{transform:scale(1.03)}
.tv-frame{
    position:absolute;inset:6px;border-radius:11px;pointer-events:none;
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.09),inset 0 0 24px rgba(0,0,0,.25);
}
.tv-play-badge{
    position:absolute;left:14px;top:14px;z-index:2;padding:4px 11px;border-radius:999px;
    font-size:13px;color:#fff;background:rgba(8,12,24,.62);border:1px solid rgba(255,255,255,.3);
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.tv-card .wf-play{width:54px;height:54px}
.tv-card .wf-play svg{width:19px;height:19px}
.tv-card .wf-play{opacity:1;transform:none;background:rgba(10,14,26,.45)}
.tv-card .wf-play svg{width:17px;height:17px}

/* 输入法 */
.ime-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:900px;margin:0 auto}
.ime-card{
    position:relative;border-radius:var(--r);overflow:hidden;cursor:pointer;
    border:1px solid var(--line);aspect-ratio:3/4;
    transition:transform .35s,border-color .35s,box-shadow .35s;
}
.ime-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.ime-card:hover{transform:translateY(-6px);border-color:rgba(255,111,200,.55);box-shadow:0 22px 50px rgba(0,0,0,.5)}
.ime-card:hover img{transform:scale(1.05)}
.ime-tag{
    position:absolute;left:12px;top:12px;z-index:2;padding:5px 14px;border-radius:999px;
    font-size:12px;color:#fff;background:rgba(10,14,26,.6);border:1px solid rgba(255,255,255,.3);
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}

/* ---------------- 关于我们 ---------------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.about-copy p{color:var(--mut);margin-bottom:18px;font-size:15.5px}
.about-copy p b{color:#e6ecff}
.value-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.value-chips li{
    padding:8px 18px;border-radius:999px;font-size:13.5px;color:#cfe0ff;
    border:1px solid rgba(109,141,255,.35);background:rgba(109,141,255,.08);
}
.about-flow{
    background:linear-gradient(180deg,var(--card),rgba(14,22,40,.5));
    border:1px solid var(--line);border-radius:var(--r);padding:36px 34px;
}
.about-flow h3{font-size:20px;margin-bottom:22px;display:flex;align-items:center;gap:10px}
.about-flow h3::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,var(--line2),transparent)}
.flow-list{display:grid;gap:8px}
.flow-list li{display:flex;gap:16px;padding:12px 0;border-bottom:1px dashed rgba(148,163,190,.12)}
.flow-list li:last-child{border-bottom:0}
.flow-list b{
    flex:none;font-size:17px;font-weight:900;line-height:1.4;background:var(--grad);
    -webkit-background-clip:text;background-clip:text;color:transparent;width:30px;
}
.flow-list h4{font-size:15.5px;margin-bottom:2px}
.flow-list p{font-size:13px;color:var(--mut)}

/* ---------------- 合作伙伴 ---------------- */
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.p-card{
    background:linear-gradient(180deg,#ffffff,#eef2fb);
    border-radius:var(--r);padding:26px 24px;color:#1c2333;
    display:flex;gap:18px;align-items:flex-start;
    box-shadow:0 14px 34px rgba(0,0,0,.25);
    transition:transform .3s,box-shadow .3s;
}
.p-card:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(0,0,0,.35)}
.p-logo{flex:none;width:74px;height:74px;border-radius:14px;overflow:hidden;background:#fff;display:grid;place-items:center;padding:8px;box-shadow:0 6px 16px rgba(30,40,80,.12)}
.p-logo img{width:100%;height:100%;object-fit:contain}
.p-card h3{font-size:17.5px;margin-bottom:8px}
.p-card p{color:#5b6778;font-size:13px;line-height:1.7}

/* ---------------- 入驻平台 ---------------- */
.sec-platforms{padding:84px 0}
.brand-grid{display:flex;flex-direction:column;gap:18px}
.brand-row{display:flex;flex-wrap:wrap;gap:18px;justify-content:center}
.brand-card{
    position:relative;flex:0 1 156px;max-width:186px;min-width:122px;
    display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;
    padding:24px 12px 20px;border-radius:var(--r);
    background:linear-gradient(180deg,var(--card),rgba(14,22,40,.5));
    border:1px solid var(--line);
    transition:transform .3s,border-color .3s,box-shadow .3s;
}
.brand-card:hover{transform:translateY(-6px);border-color:var(--line2);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.b-tile{
    width:72px;height:72px;border-radius:16px;background:#fff;
    display:grid;place-items:center;padding:10px;
    box-shadow:0 6px 16px rgba(30,40,80,.18);
}
.b-tile img{max-width:100%;max-height:100%;object-fit:contain}
.brand-card.oppo .b-tile{background:#01b467}
.brand-card.baidu .b-tile,
.brand-card.iflytek .b-tile,
.brand-card.sogou .b-tile{position:relative;padding:0;overflow:hidden}
.brand-card.baidu .b-tile img,
.brand-card.iflytek .b-tile img,
.brand-card.sogou .b-tile img{position:absolute;inset:0;width:100%;height:100%;max-width:none;max-height:none;object-fit:cover}
.b-badge{
    position:absolute;top:10px;right:10px;padding:2px 9px;border-radius:999px;
    font-size:11px;font-style:normal;line-height:1.6;color:#ffd88a;
    background:rgba(255,180,60,.12);border:1px solid rgba(255,180,60,.35);
}
.brand-card.is-pending .b-tile{background:rgba(255,255,255,.55)}
.brand-card.is-pending .b-tile img{filter:grayscale(1);opacity:.55}
.brand-card h3{font-size:15.5px;color:#fff;display:flex;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:2px 6px}
.brand-card h3 em{font-style:normal;font-size:11px;letter-spacing:.5px;color:var(--dim);font-weight:400}
.brand-card p{font-size:12px;color:var(--mut);line-height:1.5}

/* ---------------- 团队 ---------------- */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.team-card{
    position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:3/4;
    border:1px solid var(--line);cursor:default;
}
.team-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.team-card:hover img{transform:scale(1.06)}
.team-card .t-info{
    position:absolute;inset:auto 0 0;padding:44px 18px 16px;
    background:linear-gradient(180deg,transparent,rgba(4,7,14,.96));
}
.team-card h3{font-size:17px;color:#fff}
.team-card h4{font-size:12.5px;font-weight:400;color:#8fa6d8;margin-top:3px;letter-spacing:1px}
.team-card .t-orn{
    position:absolute;left:18px;top:18px;z-index:2;width:34px;height:34px;border-radius:10px;
    background:var(--grad);opacity:.0;transition:.3s;display:grid;place-items:center;
    font-size:15px;color:#fff;
}
.team-card:hover .t-orn{opacity:.9}

/* ---------------- 联系我们 ---------------- */
.cta-card{
    position:relative;border-radius:24px;overflow:hidden;
    background:linear-gradient(120deg,#0c1326,#111a30 55%,#150f2a);
    border:1px solid var(--line2);
    display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:60px 56px;
}
.cta-card::before{
    content:"";position:absolute;inset:-40%;pointer-events:none;
    background:radial-gradient(circle at 18% 20%,rgba(34,211,238,.14),transparent 45%),
               radial-gradient(circle at 85% 85%,rgba(160,107,255,.2),transparent 45%);
}
.cta-left{position:relative;z-index:1}
.cta-left h2{font-size:clamp(26px,3vw,36px);line-height:1.4;margin:18px 0 14px;font-weight:800}
.cta-left p{color:var(--mut);margin-bottom:22px}
.cta-tags{display:flex;gap:10px;flex-wrap:wrap}
.cta-tags li{
    padding:7px 16px;border-radius:999px;font-size:13px;color:#cdd9f5;
    border:1px solid rgba(148,163,190,.3);
}
.cta-form{position:relative;z-index:1;display:grid;gap:16px;padding:30px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:20px}
.cta-form label{display:grid;gap:7px;font-size:13.5px;color:#aeb9d8}
.cta-form input,.cta-form select,.cta-form textarea{
    width:100%;padding:12px 15px;border-radius:12px;border:1px solid var(--line2);
    background:rgba(8,12,24,.7);color:#e9eefb;font-size:14.5px;font-family:inherit;
    outline:none;transition:border-color .25s,box-shadow .25s;resize:none;
}
.cta-form input:focus,.cta-form select:focus,.cta-form textarea:focus{
    border-color:rgba(109,141,255,.8);box-shadow:0 0 0 3px rgba(109,141,255,.18);
}
.cta-form select option{background:#10182c}
.cta-form .btn{margin-top:6px;width:100%}

/* ---------------- 弹窗 ---------------- */
.lightbox{
    position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
    padding:20px;visibility:hidden;opacity:0;transition:.3s;
}
.lightbox.open{visibility:visible;opacity:1}
.lb-backdrop{position:absolute;inset:0;background:rgba(4,7,14,.88);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.lb-box{position:relative;z-index:2;max-width:min(1160px,96vw);width:100%;animation:zoomIn .3s ease both}
@keyframes zoomIn{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}
.lb-head{display:flex;align-items:center;gap:14px;padding:0 6px 14px}
.lb-title{font-size:16px;font-weight:600;color:#fff}
.lb-count{font-size:13px;color:var(--dim)}
.lb-close{
    margin-left:auto;width:38px;height:38px;border-radius:50%;background:none;border:1px solid var(--line2);
    color:#c6d1ea;font-size:15px;transition:.25s;display:grid;place-items:center;
}
.lb-close:hover{background:rgba(255,255,255,.1);color:#fff}
.lb-stage{position:relative;border-radius:16px;overflow:hidden;background:#05070f}
.lb-theme .lb-stage{max-height:78vh;display:flex;align-items:center;justify-content:center}
.lb-stage img{width:100%;height:auto;max-height:78vh;object-fit:contain}
.lb-nav{
    position:absolute;top:50%;transform:translateY(-50%);z-index:3;
    width:52px;height:52px;border-radius:50%;border:1px solid var(--line2);
    background:rgba(8,12,22,.6);color:#fff;font-size:30px;line-height:1;
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    transition:.25s;display:grid;place-items:center;
}
.lb-nav:hover{background:var(--grad);border-color:transparent}
.lb-nav.prev{left:14px}
.lb-nav.next{right:14px}
.lb-video .lb-stage{background:transparent;border-radius:0;overflow:visible;display:flex;justify-content:center}
.lb-video video{
    width:auto;height:auto;
    max-width:min(560px,92vw);max-height:76vh;
    border-radius:24px;background:#000;
    box-shadow:0 40px 120px rgba(0,0,0,.6);
}
.lb-video .lb-head{justify-content:center}

/* toast */
.toast{
    position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);z-index:300;
    padding:14px 30px;border-radius:999px;background:#0f1a30;border:1px solid rgba(109,141,255,.5);
    color:#dfe9ff;font-size:14px;box-shadow:0 16px 40px rgba(0,0,0,.5);
    opacity:0;visibility:hidden;transition:.35s;white-space:nowrap;
}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* ---------------- Footer ---------------- */
.footer{margin-top:40px;border-top:1px solid var(--line);background:#04070e}
.footer-grid{
    display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:40px;padding:64px 0 46px;
}
.f-brand img{margin-bottom:18px}
.f-brand p{color:var(--mut);font-size:14px;max-width:300px}
.f-col{display:flex;flex-direction:column;gap:11px}
.f-col h4{font-size:15px;margin-bottom:8px;color:#fff;letter-spacing:1px}
.f-col a{color:var(--mut);font-size:14px;transition:.25s}
.f-col a:hover{color:#fff;transform:translateX(3px)}
.f-about p{color:var(--mut);font-size:13.5px}
.f-bottom{border-top:1px solid var(--line);padding:18px 0}
.f-bottom .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.f-bottom p{color:var(--dim);font-size:13px;display:flex;gap:20px;flex-wrap:wrap}
.f-bottom a{color:var(--dim);transition:.25s}
.f-bottom a:hover{color:#9db4e8}

/* ---------------- 滚动进场 ---------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------------- 响应式 ---------------- */
@media(max-width:1200px){
    .wf-grid{grid-template-columns:repeat(4,1fr)}
    .tv-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:992px){
    :root{--nav-h:66px}
    .burger{display:flex}
    .nav-links{
        position:fixed;top:var(--nav-h);left:0;right:0;z-index:99;
        flex-direction:column;align-items:stretch;gap:2px;padding:14px 5vw 22px;
        background:rgba(6,10,19,.97);border-bottom:1px solid var(--line);
        transform:translateY(-130%);transition:transform .35s;
    }
    .nav-links.open{transform:none}
    .nav-item,.nav-cta{text-align:center;padding:13px;font-size:16px}
    .nav-cta{margin:10px 0 0}
    .nav-item::after{display:none}
    .hero{min-height:auto;padding-top:calc(var(--nav-h) + 60px)}
    .hero-grid{grid-template-columns:1fr;gap:30px}
    .hero-visual{min-height:480px}
    .device-screen.is-watch{width:min(250px,62%)}
    .device-screen.is-theme{width:min(205px,56%)}
    .device-screen.is-ime{width:min(240px,64%)}
    .hero-visual[data-cat="watch"] .device-ring{width:min(370px,80%)}
    .hero-visual[data-cat="theme"] .device-ring{width:min(480px,88%)}
    .hero-visual[data-cat="ime"] .device-ring{width:min(380px,80%)}
    .svc-grid,.themes-grid,.ime-grid,.partner-grid{grid-template-columns:repeat(2,1fr)}
    .about-grid{grid-template-columns:1fr;gap:40px}
    .team-grid{grid-template-columns:repeat(2,1fr)}
    .cta-card{grid-template-columns:1fr;padding:40px 28px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .wf-grid{grid-template-columns:repeat(3,1fr)}
    .tv-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
    .sec{padding:70px 0}
    .hero-stats{gap:22px}
    .hero-stats b{font-size:26px}
    .svc-grid,.themes-grid,.ime-grid,.partner-grid,.team-grid{grid-template-columns:1fr}
    .wf-grid{grid-template-columns:repeat(2,1fr)}
    .tv-grid{grid-template-columns:repeat(2,1fr);gap:12px}
    .mq-item{width:250px;height:150px}
    .cta-form{padding:20px}
    .hero-visual{min-height:460px}
    .hero-stage{width:100%}
    .device-screen{margin:0 auto}
    .device-screen.is-watch{width:min(200px,58%)}
    .device-screen.is-theme{width:min(150px,44%)}
    .device-screen.is-ime{width:min(170px,50%)}
    .hero-visual[data-cat="watch"] .device-ring{width:min(310px,88%)}
    .hero-visual[data-cat="theme"] .device-ring{width:min(400px,96%)}
    .hero-visual[data-cat="ime"] .device-ring{width:min(330px,92%)}
    .float-chip{font-size:12px;padding:6px 13px;animation:none}
    .fc1{left:0;right:auto;top:auto;bottom:6px}
    .fc2{left:50%;right:auto;top:auto;bottom:6px;transform:translateX(-50%)}
    .fc3{right:0;left:auto;top:auto;bottom:6px}
    .hero-visual{padding-bottom:44px}
    .hero-stats{gap:16px}
    .hero-stats b{font-size:24px}
    .hero-stats span{font-size:11.5px}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .cta-left h2 br{display:none}
}