@import url('https://miaoda.feishu.cn/fonts/css2?family=Noto+Sans+SC:wght@400;500;700;900&display=swap');

/* ============ 设计变量 ============ */
:root{
  --blue-700:#0E63B8;
  --blue-600:#1478D6;
  --blue-500:#2B8FE0;
  --blue-400:#4FA9F0;
  --blue-300:#84C5F7;
  --blue-100:#E3F1FD;
  --blue-50:#F2F8FE;
  --ink-900:#122943;
  --ink-700:#2C4563;
  --ink-500:#5A6B82;
  --ink-400:#7C8CA2;
  --line:#E1ECF6;
  --accent:#FF8A3D;
  --green:#22A06B;
  --white:#fff;
  --radius:16px;
  --radius-lg:24px;
  --shadow-sm:0 2px 10px rgba(20,80,140,.06);
  --shadow-md:0 10px 34px rgba(20,90,160,.10);
  --shadow-lg:0 24px 60px rgba(16,84,150,.16);
  --font:'Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB',-apple-system,'Segoe UI',sans-serif;
}

/* ============ 基础重置 ============ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:var(--font);
  color:var(--ink-700);
  background:var(--white);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4{color:var(--ink-900);line-height:1.3;font-weight:700}
.container{width:min(1180px,92vw);margin:0 auto}
.section{padding:96px 0}
.section-tint{background:linear-gradient(180deg,var(--blue-50) 0%,#F7FBFE 100%)}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:500;font-size:15px;border-radius:999px;
  padding:12px 26px;transition:all .25s ease;white-space:nowrap;
  border:1.5px solid transparent;
}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-block{width:100%;margin-top:18px}
.btn-primary{background:linear-gradient(135deg,var(--blue-500),var(--blue-600));color:#fff;box-shadow:0 8px 20px rgba(20,120,214,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(20,120,214,.38)}
.btn-ghost{background:#fff;color:var(--blue-600);border-color:var(--blue-300)}
.btn-ghost:hover{background:var(--blue-50);border-color:var(--blue-500)}
.btn-outline{background:#fff;color:var(--blue-600);border-color:var(--blue-300)}
.btn-outline:hover{border-color:var(--blue-500);background:var(--blue-50)}
.btn-light{background:#fff;color:var(--blue-600);box-shadow:0 8px 22px rgba(8,60,110,.25)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(8,60,110,.32)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ============ 页眉导航 ============ */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(20,80,140,.08);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{width:40px;height:40px;border-radius:11px;box-shadow:0 4px 12px rgba(20,120,214,.25)}
.brand-text{display:flex;flex-direction:column;font-size:19px;font-weight:900;color:var(--ink-900);line-height:1.15;letter-spacing:.5px}
.brand-text small{font-size:10.5px;font-weight:500;color:var(--ink-400);letter-spacing:2px}
.main-nav{display:flex;gap:6px}
.main-nav a{padding:8px 13px;font-size:14.5px;color:var(--ink-700);border-radius:8px;transition:color .2s,background .2s}
.main-nav a:hover{color:var(--blue-600);background:var(--blue-50)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;color:var(--ink-700);padding:6px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#EAF4FE 0%,#F6FBFF 58%,#fff 100%)}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-bg::before,.hero-bg::after{content:'';position:absolute;border-radius:50%;filter:blur(10px)}
.hero-bg::before{width:520px;height:520px;right:-120px;top:-180px;background:radial-gradient(circle,rgba(79,169,240,.30),rgba(79,169,240,0) 70%)}
.hero-bg::after{width:420px;height:420px;left:-140px;top:120px;background:radial-gradient(circle,rgba(132,197,247,.32),rgba(132,197,247,0) 70%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;padding:76px 0 88px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.9);border:1px solid var(--blue-100);color:var(--blue-700);font-size:13px;font-weight:500;padding:6px 16px;border-radius:999px;box-shadow:var(--shadow-sm)}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(34,160,107,.18)}
.hero h1{font-size:clamp(32px,4vw,48px);font-weight:900;margin:22px 0 20px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--blue-500),var(--blue-700));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:16.5px;color:var(--ink-500);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 22px}
.hero-cta.center{justify-content:center}
.hero-platforms{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-platforms li{font-size:13px;color:var(--ink-500);background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 14px;box-shadow:var(--shadow-sm)}
.hero-stats-mini{display:flex;gap:36px}
.hero-stats-mini div{display:flex;flex-direction:column}
.hero-stats-mini strong{font-size:26px;font-weight:900;color:var(--blue-600);line-height:1.2}
.hero-stats-mini span{font-size:12.5px;color:var(--ink-400)}
.hero-media{position:relative}
.hero-frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--blue-100);background:#fff}
.hero-frame img{width:100%;height:auto}
.hero-float{position:absolute;left:24px;bottom:24px;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.96);border-radius:14px;padding:11px 18px 11px 12px;box-shadow:var(--shadow-md);border:1px solid var(--blue-100)}
.hero-float-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--blue-400),var(--blue-600));display:flex;align-items:center;justify-content:center;flex-shrink:0}
.hero-float strong{display:block;font-size:18px;font-weight:900;color:var(--ink-900);line-height:1.2}
.hero-float span{font-size:12px;color:var(--ink-400)}

/* ============ 数据带 ============ */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:46px 0}
.stat-item{text-align:center;position:relative}
.stat-item:not(:last-child)::after{content:'';position:absolute;right:-12px;top:14px;bottom:14px;width:1px;background:var(--line)}
.stat-num{font-size:clamp(30px,3.4vw,42px);font-weight:900;color:var(--blue-600);line-height:1.1;letter-spacing:-1px}
.stat-num small{font-size:.45em;font-weight:700;color:var(--ink-400);margin-left:3px}
.stat-label{font-size:13.5px;color:var(--ink-500);margin-top:8px;line-height:1.6}

/* ============ 区块标题 ============ */
.section-head{text-align:center;max-width:720px;margin:0 auto 58px}
.section-eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--blue-600);background:var(--blue-100);padding:4px 16px;border-radius:999px;margin-bottom:16px;letter-spacing:1px}
.section-eyebrow.light{background:rgba(255,255,255,.16);color:#fff}
.section-head h2{font-size:clamp(26px,3vw,36px);font-weight:900;letter-spacing:-.3px;margin-bottom:14px}
.section-desc{font-size:16px;color:var(--ink-500)}
.section-desc.light{color:rgba(255,255,255,.85)}

/* ============ 核心功能 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;transition:transform .3s,box-shadow .3s,border-color .3s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--blue-300)}
.feature-icon{width:50px;height:50px;border-radius:13px;background:linear-gradient(135deg,var(--blue-100),#D6EAFB);color:var(--blue-600);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-card h3{font-size:17.5px;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--ink-500);line-height:1.7}

/* ============ 产品界面 showcase ============ */
.showcase{display:flex;flex-direction:column;gap:64px}
.showcase-row{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.showcase-row.reverse{grid-template-columns:.85fr 1.15fr}
.showcase-row.reverse .showcase-media{order:2}
.showcase-row.reverse .showcase-text{order:1}
.showcase-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--blue-100);background:#fff}
.showcase-media img{width:100%;height:auto}
.showcase-no{font-size:14px;font-weight:900;color:var(--blue-500);background:var(--blue-100);width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.showcase-text h3{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px}
.showcase-text>p{color:var(--ink-500);margin-bottom:22px}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:30px;font-size:15px;color:var(--ink-700)}
.check-list li::before{content:'';position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:var(--blue-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232B8FE0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}

/* ============ 兼容平台 ============ */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.platform-grid li{text-align:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 10px;font-size:14.5px;font-weight:500;color:var(--ink-700);transition:all .25s;position:relative}
.platform-grid li:hover{border-color:var(--blue-400);color:var(--blue-600);box-shadow:var(--shadow-sm);transform:translateY(-3px)}

/* ============ 模板库 ============ */
.template-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.template-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;position:relative;transition:transform .3s,box-shadow .3s}
.template-card::before{content:'';position:absolute;top:0;left:26px;right:26px;height:3px;border-radius:0 0 4px 4px;background:linear-gradient(90deg,var(--blue-400),var(--blue-600))}
.template-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.template-tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--blue-600);background:var(--blue-100);padding:3px 12px;border-radius:999px;margin-bottom:16px}
.template-card h3{font-size:17px;margin-bottom:10px}
.template-card p{font-size:13.5px;color:var(--ink-500);margin-bottom:18px;min-height:72px}
.template-meta{font-size:12.5px;color:var(--ink-400);border-top:1px dashed var(--line);padding-top:14px;display:block}

/* ============ 应用场景 ============ */
.scene-banner{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);margin-bottom:34px}
.scene-banner img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:transform .3s,box-shadow .3s}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.scene-card h3{font-size:17px;margin-bottom:10px}
.scene-card p{font-size:14px;color:var(--ink-500);margin-bottom:16px}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px}
.scene-tags span{font-size:12px;color:var(--blue-600);background:var(--blue-50);border:1px solid var(--blue-100);padding:3px 11px;border-radius:999px}

/* ============ 下载中心 ============ */
.section-download{background:linear-gradient(160deg,var(--blue-700) 0%,var(--blue-500) 55%,#55B0F2 100%);color:#fff;position:relative;overflow:hidden}
.section-download::before{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.12),rgba(255,255,255,0) 70%);top:-260px;right:-180px}
.section-download .container{position:relative}
.section-download h2{color:#fff}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dl-card{background:#fff;border-radius:var(--radius);padding:32px 28px;display:flex;flex-direction:column;box-shadow:var(--shadow-md);transition:transform .3s}
.dl-card:hover{transform:translateY(-6px)}
.dl-card-light{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(6px)}
.dl-icon{width:54px;height:54px;border-radius:14px;background:var(--blue-50);color:var(--blue-600);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.dl-card-light .dl-icon{background:rgba(255,255,255,.2);color:#fff}
.dl-card h3{font-size:19px;margin-bottom:8px}
.dl-card-light h3{color:#fff}
.dl-card p{font-size:13.5px;color:var(--ink-500);min-height:46px}
.dl-card-light p{color:rgba(255,255,255,.85)}
.dl-size{display:block;text-align:center;font-size:12px;color:var(--ink-400);margin-top:12px}
.dl-card-light .dl-size{color:rgba(255,255,255,.7)}
.sysreq{margin-top:56px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius);padding:36px 40px}
.sysreq h3{color:#fff;font-size:20px;margin-bottom:20px}
.sysreq-table{width:100%;border-collapse:collapse;font-size:14px}
.sysreq-table th,.sysreq-table td{padding:13px 16px;text-align:left;border-bottom:1px solid rgba(255,255,255,.18)}
.sysreq-table thead th{color:#fff;font-weight:700;background:rgba(255,255,255,.12)}
.sysreq-table tbody th{color:#fff;font-weight:500}
.sysreq-table td{color:rgba(255,255,255,.85)}
.sysreq-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.8)}

/* ============ 版本权益 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 32px;position:relative;transition:transform .3s,box-shadow .3s}
.plan-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.plan-card-hot{border:2px solid var(--blue-500);box-shadow:var(--shadow-lg);transform:scale(1.03)}
.plan-card-hot:hover{transform:scale(1.03) translateY(-6px)}
.plan-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--blue-500),var(--blue-600));color:#fff;font-size:13px;font-weight:700;padding:5px 18px;border-radius:999px;white-space:nowrap}
.plan-card h3{font-size:21px}
.plan-aud{font-size:13.5px;color:var(--ink-400);margin:6px 0 18px}
.plan-price{font-size:34px;font-weight:900;color:var(--blue-600);line-height:1;padding-bottom:22px;border-bottom:1px solid var(--line)}
.plan-price small{font-size:14px;font-weight:500;color:var(--ink-400)}
.plan-list{display:flex;flex-direction:column;gap:13px;margin:24px 0 8px}
.plan-list li{position:relative;padding-left:28px;font-size:14.5px;color:var(--ink-700)}
.plan-list li::before{content:'';position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:50%;background:var(--blue-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232B8FE0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat}
.compare-wrap{margin-top:60px}
.compare-wrap h3{text-align:center;font-size:22px;margin-bottom:26px}
.compare-table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.compare-table{width:100%;border-collapse:collapse;background:#fff;font-size:14.5px}
.compare-table th,.compare-table td{padding:15px 18px;text-align:center;border-bottom:1px solid var(--line)}
.compare-table thead th{background:var(--blue-600);color:#fff;font-weight:600}
.compare-table thead th:first-child{background:var(--blue-700)}
.compare-table tbody th{text-align:left;font-weight:600;color:var(--ink-700);background:var(--blue-50)}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody td:first-child{}
.compare-table tbody td{color:var(--ink-500)}
.compare-table tbody td:nth-child(3){color:var(--blue-600);font-weight:600}

/* ============ 用户评价 ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.stars{width:92px;height:18px;margin-bottom:16px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2.6l2.8 5.9 6.5.8-4.8 4.4 1.3 6.4L12 17l-5.8 3.1 1.3-6.4-4.8-4.4 6.5-.8z' fill='%23F5A623'/%3E%3C/svg%3E");background-size:18px 18px;background-repeat:repeat-x}
.review-card>p{font-size:14.5px;color:var(--ink-700);flex:1}
.review-card footer{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--blue-400),var(--blue-600));color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px}
.review-card footer strong{display:block;font-size:14.5px;color:var(--ink-900)}
.review-card footer small{font-size:12.5px;color:var(--ink-400)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px;align-items:start}
.faq-head{text-align:left;margin:0;position:sticky;top:100px}
.faq-head .section-eyebrow{margin-left:0}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:var(--blue-300);box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 26px;font-size:16px;font-weight:600;color:var(--ink-900);display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-arrow{position:relative;width:14px;height:14px;flex-shrink:0}
.faq-arrow::before,.faq-arrow::after{content:'';position:absolute;background:var(--blue-500);border-radius:2px;transition:transform .3s}
.faq-arrow::before{top:6px;left:0;width:14px;height:2px}
.faq-arrow::after{top:0;left:6px;width:2px;height:14px}
.faq-item[open] .faq-arrow::after{transform:scaleY(0)}
.faq-body{padding:0 26px 22px}
.faq-body p{font-size:14.5px;color:var(--ink-500);line-height:1.85}

/* ============ 资讯 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.news-card figure{aspect-ratio:4/3;overflow:hidden}
.news-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover figure img{transform:scale(1.05)}
.news-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.news-meta{font-size:12.5px;color:var(--blue-600);font-weight:500;margin-bottom:10px}
.news-card h3{font-size:16.5px;line-height:1.5;margin-bottom:10px}
.news-body p{font-size:13.5px;color:var(--ink-500);flex:1}
.news-link{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--blue-600)}
.news-link:hover{text-decoration:underline}

/* ============ 底部 CTA ============ */
.final-cta{background:linear-gradient(135deg,#0B559F,#2B8FE0);padding:88px 0;text-align:center;position:relative;overflow:hidden}
.final-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(255,255,255,.14),transparent 50%),radial-gradient(circle at 80% 70%,rgba(255,255,255,.1),transparent 45%)}
.final-cta-inner{position:relative}
.final-cta h2{color:#fff;font-size:clamp(26px,3.2vw,38px);margin-bottom:14px}
.final-cta p{color:rgba(255,255,255,.85);font-size:16.5px;margin-bottom:34px}

/* ============ 页脚 ============ */
.site-footer{background:#0C1E33;color:#9FB2C8;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-light .brand-text{color:#fff}
.brand-light .brand-text small{color:#7C93AC}
.footer-slogan{margin-top:18px;font-size:13.5px;line-height:1.9}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:#9FB2C8;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--blue-300)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:13px}
.footer-beian{display:flex;gap:18px}
.footer-beian a:hover,.footer-links a:hover{color:var(--blue-300)}
.footer-links{display:flex;gap:16px}

/* ============ 返回顶部 / Toast ============ */
.back-top{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--blue-500),var(--blue-600));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(14px);transition:all .3s;z-index:90}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{transform:translateY(-3px)}
.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);background:var(--ink-900);color:#fff;padding:13px 26px;border-radius:12px;font-size:14px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all .3s;z-index:200;max-width:90vw;text-align:center}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ============ 滚动揭示 ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:76px 0}
  .hero-inner{grid-template-columns:1fr;gap:48px;padding:56px 0 64px}
  .hero-copy{text-align:center}
  .hero-sub{margin:0 auto}
  .hero-cta{justify-content:center}
  .hero-platforms{justify-content:center}
  .hero-stats-mini{justify-content:center}
  .hero-media{max-width:640px;margin:0 auto;width:100%}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .platform-grid{grid-template-columns:repeat(4,1fr)}
  .template-grid{grid-template-columns:repeat(2,1fr)}
  .template-card p{min-height:0}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .download-grid{grid-template-columns:repeat(2,1fr)}
  .plan-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .plan-card-hot{transform:none}
  .plan-card-hot:hover{transform:translateY(-6px)}
  .review-grid{grid-template-columns:1fr;max-width:640px;margin:0 auto}
  .news-grid{grid-template-columns:1fr;max-width:640px;margin:0 auto}
  .showcase-row,.showcase-row.reverse{grid-template-columns:1fr;gap:30px}
  .showcase-row.reverse .showcase-media{order:0}
  .showcase-row.reverse .showcase-text{order:0}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-head{position:static;text-align:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:768px){
  .main-nav{
    position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;
    padding:8px 4vw 16px;box-shadow:0 16px 30px rgba(20,80,140,.12);
    border-bottom:1px solid var(--line);
    display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:13px 10px;font-size:15px;border-bottom:1px solid var(--blue-50)}
  .nav-toggle{display:flex}
  .nav-actions .btn-primary{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 16px}
  .stat-item:nth-child(2)::after{display:none}
  .stat-item::after{display:none}
  .platform-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .download-grid{grid-template-columns:1fr}
  .sysreq{padding:26px 20px}
  .sysreq-table-wrap,.compare-table-wrap{overflow-x:auto}
  .compare-table{min-width:560px}
  .sysreq-table{min-width:480px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start;flex-direction:column;align-items:flex-start}
}

@media (max-width:480px){
  .section{padding:60px 0}
  .hero{padding-top:0}
  .hero h1{font-size:29px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-stats-mini{gap:20px}
  .hero-stats-mini strong{font-size:22px}
  .hero-float{left:12px;bottom:12px;padding:9px 14px 9px 10px}
  .feature-grid{grid-template-columns:1fr}
  .template-grid{grid-template-columns:1fr}
  .btn-lg{padding:14px 24px;font-size:15px}
  .section-head{margin-bottom:40px}
  .final-cta{padding:64px 0}
  .final-cta .hero-cta{flex-direction:column;align-items:stretch}
}