@charset "utf-8";
@import "page.css";

/* ==================== 设计变量 ==================== */
:root{
    --blue:#206ae4;
    --blue-d:#1e40af;
    --blue-l:#4d8fff;
    --blue-ll:#64b5f6;
    --cyan:#06b6d4;
    --gold:#e0a93b;
    --gold-d:#c8922b;
    --ink:#0c1733;
    --ink-2:#16224a;
    --txt:#48505f;
    --txt-2:#7a8295;
    --line:#e8edf6;
    --bg:#ffffff;
    --bg-soft:#f5f8fe;
    --r:22px;
    --r-sm:14px;
    --sh:0 18px 50px rgba(20,48,110,.10);
    --sh-h:0 26px 70px rgba(32,106,228,.22);
    --ease:cubic-bezier(.22,.61,.36,1);
}

/* ==================== Hero ==================== */
.sj-hero{
    position:relative;
    overflow:hidden;
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    background:
        radial-gradient(120% 90% at 12% 0%, #14224f 0%, #0c1733 45%, #081024 100%);
    padding:150px 0 100px;
    color:#fff;
}
.sj-hero-decor{position:absolute;inset:0;pointer-events:none;z-index:0;}
.sj-orb{position:absolute;border-radius:50%;filter:blur(8px);opacity:.55;}
.sj-orb-1{width:460px;height:460px;top:-160px;right:-80px;background:radial-gradient(circle,rgba(32,106,228,.55),transparent 65%);animation:orbA 14s var(--ease) infinite;}
.sj-orb-2{width:340px;height:340px;bottom:-120px;left:8%;background:radial-gradient(circle,rgba(6,182,212,.35),transparent 65%);animation:orbB 16s var(--ease) infinite;}
.sj-orb-3{width:220px;height:220px;top:30%;left:42%;background:radial-gradient(circle,rgba(224,169,59,.22),transparent 70%);animation:orbA 20s var(--ease) infinite reverse;}
@keyframes orbA{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-30px,24px) scale(1.08);}}
@keyframes orbB{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(26px,-20px) scale(1.1);}}
.sj-grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(180deg,transparent,#000 40%,#000 70%,transparent);-webkit-mask-image:linear-gradient(180deg,transparent,#000 40%,#000 70%,transparent);}

.sj-hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:50px;width:100%;}

/* 左侧文案 */
.sj-hero-copy{flex:1;max-width:700px;margin:0 auto;text-align:center;}
.sj-hero-badge{display:inline-flex;align-items:center;gap:9px;padding:9px 20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:50px;font-size:14px;font-weight:500;color:#dfe8ff;backdrop-filter:blur(8px);margin-bottom:26px;}
.sj-hero-badge i{color:var(--gold);font-size:13px;}
.sj-hero-title{font-family:"biaotihei","Microsoft YaHei",sans-serif;font-size:clamp(40px,5vw,64px);line-height:1.12;font-weight:800;letter-spacing:1px;margin-bottom:22px;background:linear-gradient(120deg,#ffffff 0%,#cfe0ff 55%,#7fb2ff 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.sj-hero-sub{font-size:clamp(15px,1.6vw,19px);color:#9fb6e6;letter-spacing:1px;margin-bottom:22px;font-weight:300;}
.sj-hero-desc{font-size:16px;line-height:1.9;color:rgba(255,255,255,.72);margin:0 auto 40px;max-width:540px;}

.sj-hero-stats{display:flex;justify-content:center;gap:38px;margin-bottom:42px;}
.sj-stat{position:relative;text-align:center;padding-top:18px;}
.sj-stat::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:36px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--blue-l),var(--cyan));}
.sj-stat-num{font-size:38px;font-weight:800;color:#fff;line-height:1;font-variant-numeric:tabular-nums;}
.sj-stat-unit{font-size:20px;font-weight:700;color:var(--gold);margin-left:2px;}
.sj-stat-label{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.55);letter-spacing:1px;}

/* 按钮 */
.sj-btn{display:inline-flex;align-items:center;gap:10px;padding:15px 36px;border-radius:50px;font-size:16px;font-weight:600;text-decoration:none;cursor:pointer;transition:all .35s var(--ease);border:1px solid transparent;}
.sj-btn i{font-size:15px;}
.sj-btn-primary{background:linear-gradient(135deg,var(--blue) 0%,var(--blue-d) 100%);color:#fff;box-shadow:0 14px 38px rgba(32,106,228,.45);}
.sj-btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 50px rgba(32,106,228,.6);}
.sj-btn-ghost{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.22);color:#fff;backdrop-filter:blur(8px);}
.sj-btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.4);transform:translateY(-3px);}
.sj-hero-btns{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;}

/* 右侧 手机预览 */
.sj-hero-visual{flex:1;position:relative;display:flex;justify-content:center;}
.sj-phone-wrap{position:relative;}
.sj-phone{position:relative;width:300px;height:600px;border-radius:46px;padding:14px;background:linear-gradient(160deg,#2a3658,#0e1730);box-shadow:0 40px 90px rgba(4,10,30,.6),inset 0 0 0 2px rgba(255,255,255,.08);z-index:2;}
.sj-phone-notch{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:130px;height:24px;background:#0c1733;border-radius:0 0 16px 16px;z-index:4;}
.sj-phone-screen{width:100%;height:100%;border-radius:34px;overflow:hidden;background:linear-gradient(180deg,#eef4ff,#ffffff);display:flex;flex-direction:column;}
.sjm-status{display:flex;justify-content:space-between;align-items:center;padding:12px 20px 4px;font-size:12px;color:#22335c;font-weight:700;}
.sjm-signal{display:inline-flex;align-items:flex-end;gap:2px;height:11px;}
.sjm-signal i{width:3px;background:#22335c;border-radius:1px;}
.sjm-signal i:nth-child(1){height:4px;}.sjm-signal i:nth-child(2){height:6px;}.sjm-signal i:nth-child(3){height:8px;}.sjm-signal i:nth-child(4){height:11px;}
.sjm-header{display:flex;justify-content:space-between;align-items:center;padding:8px 18px 12px;}
.sjm-logo{font-weight:800;font-size:16px;color:#16224a;}
.sjm-logo i{color:var(--blue);font-style:normal;font-size:12px;}
.sjm-menu{display:flex;flex-direction:column;gap:3px;}
.sjm-menu i{width:18px;height:2px;background:#16224a;border-radius:2px;}
.sjm-hero{padding:16px 18px;background:linear-gradient(135deg,var(--blue),var(--blue-l));color:#fff;border-radius:0 0 22px 22px;}
.sjm-tag{display:inline-block;font-size:10px;padding:3px 10px;background:rgba(255,255,255,.2);border-radius:20px;margin-bottom:8px;}
.sjm-hero h4{font-size:20px;font-weight:800;line-height:1.25;margin-bottom:12px;font-family:"biaotihei",sans-serif;}
.sjm-bar{height:7px;background:rgba(255,255,255,.35);border-radius:4px;margin-bottom:7px;}
.sjm-bar.short{width:60%;}
.sjm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:14px 12px;}
.sjm-cell{background:#f2f6ff;border-radius:12px;padding:10px 4px;text-align:center;color:var(--blue);}
.sjm-cell i{font-size:18px;display:block;margin-bottom:4px;}
.sjm-cell span{font-size:11px;color:#41506e;font-weight:600;}
.sjm-card{margin:6px 14px;background:#f7f9ff;border-radius:14px;padding:12px;display:flex;gap:12px;align-items:center;}
.sjm-thumb{width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--blue-ll),var(--cyan));flex-shrink:0;}
.sjm-lines{display:flex;flex-direction:column;gap:7px;flex:1;}
.sjm-lines i{height:7px;background:#e3e9f5;border-radius:4px;}
.sjm-lines i.s{width:55%;}
.sjm-tabbar{margin-top:auto;display:flex;justify-content:space-around;padding:12px 0 16px;border-top:1px solid #eef2f8;}
.sjm-tabbar span{color:#aab4c8;font-size:17px;}
.sjm-tabbar span.on{color:var(--blue);}

/* 漂浮玻璃卡片 */
.sj-float{position:absolute;z-index:3;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.6);border-radius:16px;padding:12px 16px;box-shadow:0 16px 40px rgba(8,18,46,.28);animation:floatY 5s ease-in-out infinite;}
.sj-float i{font-size:18px;color:var(--blue);}
.sj-float b{display:block;font-size:17px;font-weight:800;color:#16224a;line-height:1.1;}
.sj-float span{font-size:12px;color:#6b7488;}
.sj-float-speed{top:84px;right:-18px;}
.sj-float-seo{bottom:158px;left:-22px;animation-delay:1.5s;}
.sj-float-chat{bottom:60px;right:0;padding:10px 16px;animation-delay:.8s;}
.sj-float-chat i{color:var(--gold);}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}

/* ==================== 通用区块 / 标题 ==================== */
.sj-section{padding:100px 0;position:relative;}
.sj-head{text-align:center;max-width:720px;margin:0 auto 62px;}
.sj-head-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 18px;background:rgba(32,106,228,.08);border:1px solid rgba(32,106,228,.18);border-radius:50px;color:var(--blue);font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:18px;}
.sj-head-title{font-family:"biaotihei","Microsoft YaHei",sans-serif;font-size:clamp(28px,3.4vw,42px);font-weight:800;color:var(--ink);position:relative;padding-bottom:18px;margin-bottom:14px;}
.sj-head-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:54px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--blue),var(--gold));}
.sj-head-desc{font-size:16px;color:var(--txt-2);line-height:1.8;}

/* ==================== 核心优势 ==================== */
.sj-features{background:var(--bg);}
.sj-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.sj-feature{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:42px 32px;transition:all .45s var(--ease);overflow:hidden;}
.sj-feature::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(32,106,228,.05),rgba(6,182,212,.04));opacity:0;transition:opacity .45s var(--ease);}
.sj-feature:hover{transform:translateY(-10px);box-shadow:var(--sh-h);border-color:transparent;}
.sj-feature:hover::before{opacity:1;}
.sj-feature-ic{position:relative;width:72px;height:72px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-l));box-shadow:0 12px 30px rgba(32,106,228,.3);margin-bottom:24px;transition:transform .45s var(--ease);}
.sj-feature:hover .sj-feature-ic{transform:scale(1.08) rotate(-4deg);}
.sj-feature h3{position:relative;font-size:21px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.sj-feature p{position:relative;font-size:14.5px;color:var(--txt);line-height:1.85;margin-bottom:20px;}
.sj-feature-tags{position:relative;display:flex;gap:9px;flex-wrap:wrap;}
.sj-feature-tags span{padding:6px 14px;background:var(--bg-soft);color:var(--blue);font-size:12px;font-weight:600;border-radius:20px;}

/* ==================== 适用场景 ==================== */
.sj-scenes{background:linear-gradient(180deg,var(--bg-soft),#fff);}
.sj-scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.sj-scene{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:40px 34px;text-align:center;transition:all .45s var(--ease);}
.sj-scene:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:transparent;}
.sj-scene-ic{width:68px;height:68px;margin:0 auto 22px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:30px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 12px 28px rgba(32,106,228,.28);transition:transform .45s var(--ease);}
.sj-scene:hover .sj-scene-ic{transform:translateY(-4px) scale(1.05);}
.sj-scene h3{font-size:21px;font-weight:700;color:var(--ink);margin-bottom:12px;}
.sj-scene p{font-size:14.5px;color:var(--txt);line-height:1.8;}

/* ==================== 功能模块 ==================== */
.sj-functions{background:#f5f6f9;}
.sj-func-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.sj-func{display:flex;align-items:center;gap:14px;padding:20px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);transition:all .4s var(--ease);}
.sj-func i{font-size:22px;width:46px;height:46px;flex-shrink:0;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--blue);background:var(--bg-soft);transition:all .4s var(--ease);}
.sj-func span{font-size:15px;font-weight:600;color:var(--ink);}
.sj-func:hover{background:linear-gradient(135deg,var(--blue),var(--blue-l));border-color:transparent;transform:translateY(-4px);box-shadow:0 14px 34px rgba(32,106,228,.28);}
.sj-func:hover i{background:rgba(255,255,255,.18);color:#fff;}
.sj-func:hover span{color:#fff;}

/* ==================== 开发流程 ==================== */
.sj-process{background:radial-gradient(120% 90% at 80% 0%,#15224d 0%,#0c1733 50%,#081024 100%);overflow:hidden;}
.sj-head-light .sj-head-badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#bcd2ff;}
.sj-head-light .sj-head-title{color:#fff;}
.sj-head-light .sj-head-title::after{background:linear-gradient(90deg,var(--blue-l),var(--gold));}
.sj-head-light .sj-head-desc{color:rgba(255,255,255,.65);}
.sj-process-track{position:relative;display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.sj-process-line{position:absolute;top:26px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--gold));opacity:.5;border-radius:2px;}
.sj-step{position:relative;text-align:center;}
.sj-step-dot{width:54px;height:54px;margin:0 auto 22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-d));box-shadow:0 10px 26px rgba(32,106,228,.4);position:relative;z-index:2;border:3px solid rgba(255,255,255,.12);transition:transform .4s var(--ease);}
.sj-step:hover .sj-step-dot{transform:scale(1.1);}
.sj-step-body{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(8px);border-radius:var(--r);padding:26px 16px;transition:all .4s var(--ease);}
.sj-step:hover .sj-step-body{background:rgba(255,255,255,.09);transform:translateY(-5px);}
.sj-step-body i{font-size:26px;color:var(--blue-ll);margin-bottom:12px;}
.sj-step-body h4{font-size:18px;font-weight:700;color:#fff;margin-bottom:8px;}
.sj-step-body p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.6;}

/* ==================== 服务保障 ==================== */
.sj-guarantee{background:linear-gradient(180deg,#fff,var(--bg-soft));}
.sj-guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.sj-guarantee{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:42px 30px;text-align:center;transition:all .45s var(--ease);}
.sj-guarantee:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:transparent;}
.sj-g-ic{width:70px;height:70px;margin:0 auto 22px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:30px;color:var(--blue);background:linear-gradient(135deg,rgba(32,106,228,.1),rgba(6,182,212,.1));transition:all .45s var(--ease);}
.sj-guarantee:hover .sj-g-ic{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;}
.sj-guarantee h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:12px;}
.sj-guarantee p{font-size:14.5px;color:var(--txt);line-height:1.8;}

/* ==================== CTA ==================== */
.sj-cta{position:relative;overflow:hidden;padding:100px 0;background:linear-gradient(135deg,var(--blue) 0%,var(--blue-d) 100%);}
.sj-cta-decor{position:absolute;inset:0;background:radial-gradient(60% 120% at 85% 20%,rgba(6,182,212,.4),transparent 60%),radial-gradient(50% 120% at 10% 90%,rgba(224,169,59,.25),transparent 55%);}
.sj-cta-inner{position:relative;z-index:2;text-align:center;max-width:740px;margin:0 auto;}
.sj-cta-inner h2{font-family:"biaotihei","Microsoft YaHei",sans-serif;font-size:clamp(28px,3.4vw,42px);font-weight:800;color:#fff;line-height:1.3;margin-bottom:16px;}
.sj-cta-inner p{font-size:18px;color:rgba(255,255,255,.85);margin-bottom:42px;}
.sj-cta-btns{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;}
.sj-btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-d));color:#fff;box-shadow:0 14px 38px rgba(224,169,59,.45);}
.sj-btn-gold:hover{transform:translateY(-3px);box-shadow:0 20px 50px rgba(224,169,59,.6);}
.sj-btn-white{background:#fff;color:var(--blue);box-shadow:0 14px 38px rgba(0,0,0,.2);}
.sj-btn-white:hover{transform:translateY(-3px);box-shadow:0 20px 50px rgba(0,0,0,.3);}

/* ==================== 滚动渐显 ==================== */
.reveal{opacity:0;transform:translateY(38px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ==================== 响应式 ==================== */
@media (max-width:1100px){
    .sj-hero-inner{flex-direction:column;text-align:center;gap:50px;}
    .sj-hero-copy{max-width:640px;}
    .sj-hero-stats{justify-content:center;}
    .sj-hero-btns{justify-content:center;}
    .sj-hero-sub{letter-spacing:2px;}
    .sj-feature-grid,.sj-scene-grid{grid-template-columns:repeat(2,1fr);}
    .sj-func-grid{grid-template-columns:repeat(3,1fr);}
    .sj-guarantee-grid{grid-template-columns:repeat(2,1fr);}
    .sj-process-track{grid-template-columns:repeat(3,1fr);row-gap:46px;}
    .sj-process-line{display:none;}
}
@media (max-width:768px){
    .sj-hero{padding:130px 0 80px;}
    .sj-hero-title{font-size:40px;}
    .sj-hero-visual{flex:none;transform:scale(.92);}
    .sj-section{padding:72px 0;}
    .sj-head{margin-bottom:44px;}
    .sj-feature-grid,.sj-scene-grid,.sj-func-grid,.sj-guarantee-grid{grid-template-columns:1fr;}
    .sj-process-track{grid-template-columns:repeat(2,1fr);}
    .sj-hero-stats{gap:24px;}
    .sj-stat-num{font-size:32px;}
    .sj-cta-inner h2{font-size:30px;}
    .sj-cta-btns{flex-direction:column;align-items:center;}
    .sj-btn-gold,.sj-btn-white{width:240px;justify-content:center;}
}
@media (max-width:480px){
    .sj-hero-title{font-size:32px;}
    .sj-hero-visual{transform:scale(.82);}
    .sj-float{display:none;}
    .sj-feature,.sj-scene,.sj-guarantee{padding:32px 24px;}
    .sj-process-track{grid-template-columns:1fr;}
}