/* =========================================================
   易歪歪 · 模板01 科技蓝渐变
   适用页面：index.html / download.html / news.html
   ========================================================= */
:root{
  --brand:#1d4ed8;
  --brand-2:#7c3aed;
  --accent:#06b6d4;
  --ink:#0b1220;
  --ink-2:#233246;
  --muted:#5b6b7f;
  --line:#e5eaf3;
  --soft:#f6f8ff;
  --soft-2:#eef2ff;
  --white:#fff;
  --ok:#10b981;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 22px 50px rgba(29,78,216,.16);
  --wrap:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--white);line-height:1.8;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.2px}
.logo-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800}
.logo-img{width:32px;height:32px;object-fit:contain;flex-shrink:0;display:block}
.nav-links{display:flex;gap:26px;font-size:15px;color:var(--ink-2)}
.nav-links a{position:relative;padding:6px 0}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--brand)}
.nav-links a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 22px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 22px rgba(29,78,216,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(29,78,216,.34)}
.btn-ghost{border-color:var(--line);color:var(--ink-2);background:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:9px 16px;font-size:14px}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13.5px;color:var(--muted);padding:16px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--brand)}
.breadcrumb li+li::before{content:"›";margin-right:6px;color:#b7c2d6}

/* ---------- Hero ---------- */
.hero{background:
   radial-gradient(900px 420px at 12% -10%,rgba(124,58,237,.20),transparent 62%),
   radial-gradient(760px 380px at 88% 6%,rgba(6,182,212,.20),transparent 60%),
   linear-gradient(180deg,#f8faff,#fff);
  border-bottom:1px solid var(--line);overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;padding:64px 0 72px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13.5px;color:var(--ink-2);box-shadow:var(--shadow);margin-bottom:20px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(16,185,129,.16)}
h1{font-size:clamp(28px,4vw,44px);line-height:1.3;letter-spacing:-.5px;margin-bottom:18px;font-weight:800}
h1 .grad{background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:16.5px;color:var(--ink-2);margin-bottom:14px;max-width:620px}
.hero-sub strong{color:var(--ink)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 10px}
.hero-tip{font-size:13px;color:var(--muted)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-align:center;box-shadow:var(--shadow)}
.stat b{display:block;font-size:22px;background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:12.5px;color:var(--muted)}

/* 产品示意窗（纯CSS绘制，无需图片） */
.hero-visual{position:relative}
.mock{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}
.mock-bar{display:flex;align-items:center;gap:7px;padding:12px 14px;border-bottom:1px solid var(--line);background:#fbfcff}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:#e2e8f5}
.mock-bar i:nth-child(1){background:#ff5f57}.mock-bar i:nth-child(2){background:#febc2e}.mock-bar i:nth-child(3){background:#28c840}
.mock-bar span{margin-left:8px;font-size:12px;color:var(--muted)}
.mock-body{display:grid;grid-template-columns:118px 1fr;min-height:270px}
.mock-side{border-right:1px solid var(--line);padding:14px 10px;background:#fbfcff}
.mock-side li{font-size:12px;color:var(--muted);padding:7px 9px;border-radius:8px;margin-bottom:3px}
.mock-side li.on{background:var(--soft-2);color:var(--brand);font-weight:700}
.mock-main{padding:14px}
.mock-chat{background:var(--soft);border-radius:10px;padding:11px 12px;font-size:12.5px;color:var(--ink-2);margin-bottom:9px;max-width:82%}
.mock-chat.me{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;margin-left:auto}
.mock-phrase{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.mock-phrase b{font-size:11.5px;font-weight:600;background:#fff;border:1px solid var(--line);border-radius:7px;padding:5px 9px;color:var(--ink-2)}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0}
.section.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{text-align:center;max-width:760px;margin:0 auto 42px}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--brand);background:var(--soft-2);border-radius:999px;padding:5px 14px;margin-bottom:14px;letter-spacing:.5px}
.section-head h2{font-size:clamp(23px,3vw,32px);line-height:1.35;margin-bottom:12px;font-weight:800}
.section-head p{color:var(--muted);font-size:15.5px}

/* ---------- 核心功能 6 项 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.22s}
.card:hover{border-color:#c7d6f8;box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.card-icon{width:46px;height:46px;border-radius:12px;background:var(--soft-2);color:var(--brand);display:grid;place-items:center;margin-bottom:16px}
.card-icon svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17.5px;margin-bottom:9px}
.card p{font-size:14.5px;color:var(--muted)}
.card ul{margin-top:12px;font-size:13.5px;color:var(--ink-2)}
.card ul li{padding-left:16px;position:relative;margin-top:5px}
.card ul li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--accent)}

/* ---------- 竞品对比表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table.compare{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
table.compare caption{text-align:left;padding:16px 20px 0;font-size:13.5px;color:var(--muted)}
table.compare th,table.compare td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.compare thead th{background:var(--soft);font-size:14px;color:var(--ink);font-weight:700;white-space:nowrap}
table.compare thead th:nth-child(2){background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
table.compare tbody tr:hover{background:#fafbff}
table.compare td:first-child{font-weight:600;color:var(--ink)}
td.yes{color:var(--brand);font-weight:600}
td.no{color:#94a3b8}

/* ---------- 用户评价 ---------- */
.reviews{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.review-card::before{content:"“";position:absolute;top:8px;right:22px;font-size:56px;color:var(--soft-2);font-family:Georgia,serif;line-height:1}
.stars{color:#f5a623;font-size:14px;letter-spacing:2px;margin-bottom:10px}
.review-card p{font-size:14.5px;color:var(--ink-2);position:relative}
.review-meta{display:flex;align-items:center;gap:11px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700}
.review-meta b{display:block;font-size:14px}
.review-meta span{font-size:12.5px;color:var(--muted)}

/* ---------- 认证背书 ---------- */
.badges{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.badge-item{border:1px solid var(--line);border-radius:var(--radius);padding:20px 16px;text-align:center;background:#fff}
.badge-item svg{width:26px;height:26px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 10px}
.badge-item b{display:block;font-size:14.5px;margin-bottom:4px}
.badge-item span{font-size:12.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:.2s}
.faq details[open]{border-color:#c7d6f8;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:24px;height:24px;border-radius:7px;background:var(--soft-2);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:16px}
.faq details[open] summary::after{content:"–"}
.faq .answer{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2)}
.faq .answer strong{color:var(--brand)}

/* ---------- 页面头部（下载页/资讯页） ---------- */
.page-hero{background:linear-gradient(160deg,#f8faff,#fff);border-bottom:1px solid var(--line);padding:14px 0 52px}
.page-hero h1{font-size:clamp(25px,3.4vw,36px);margin-bottom:14px}
.page-hero p.lead{color:var(--ink-2);font-size:16px;max-width:760px}
.page-hero .meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px;font-size:13.5px;color:var(--muted)}

/* ---------- 下载页：平台选择 ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.platform-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;display:flex;flex-direction:column;transition:.22s}
.platform-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:#c7d6f8}
.platform-card .head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.platform-card .head svg{width:28px;height:28px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.platform-card h3{font-size:16.5px}
.platform-card .ver{font-size:12.5px;color:var(--muted)}
.platform-card p{font-size:13.8px;color:var(--muted);flex:1}
.platform-card dl{font-size:13px;color:var(--ink-2);margin:12px 0 16px;border-top:1px dashed var(--line);padding-top:12px}
.platform-card dl div{display:flex;justify-content:space-between;gap:10px;padding:3px 0}
.platform-card dt{color:var(--muted)}
.platform-card .btn{width:100%}

/* ---------- 安装步骤 ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;position:relative;counter-increment:step}
.step::before{content:counter(step,decimal-leading-zero);font-size:26px;font-weight:800;color:var(--soft-2);display:block;margin-bottom:8px;line-height:1}
.step h3{font-size:15.5px;margin-bottom:8px}
.step p{font-size:13.8px;color:var(--muted)}

/* ---------- 技术规格表 ---------- */
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:14.5px}
.spec-table caption{text-align:left;font-size:13.5px;color:var(--muted);padding:0 0 12px}
.spec-table th,.spec-table td{padding:13px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table thead th{background:var(--soft);font-size:14px}
.spec-table tbody th{font-weight:600;width:190px;color:var(--ink)}

/* ---------- 资讯页 ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.tag-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{font-size:13.5px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 15px;color:var(--ink-2);transition:.2s}
.tag:hover{border-color:var(--brand);color:var(--brand)}
.tag.active{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.22s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c7d6f8}
.news-cover{height:128px;display:grid;place-items:center;color:#fff;font-size:13px;font-weight:700;letter-spacing:.6px}
.news-cover.c1{background:linear-gradient(135deg,#1d4ed8,#06b6d4)}
.news-cover.c2{background:linear-gradient(135deg,#7c3aed,#db2777)}
.news-cover.c3{background:linear-gradient(135deg,#0891b2,#10b981)}
.news-cover.c4{background:linear-gradient(135deg,#f59e0b,#ef4444)}
.news-cover.c5{background:linear-gradient(135deg,#0f172a,#334155)}
.news-cover.c6{background:linear-gradient(135deg,#4338ca,#7c3aed)}
.news-cover.c7{background:linear-gradient(135deg,#059669,#65a30d)}
.news-cover.c8{background:linear-gradient(135deg,#be123c,#f97316)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-cat{font-size:12.5px;font-weight:700;color:var(--brand);background:var(--soft-2);border-radius:6px;padding:3px 10px;align-self:flex-start;margin-bottom:10px}
.news-body h3{font-size:16.5px;line-height:1.5;margin-bottom:9px}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:13.8px;color:var(--muted);flex:1}
.news-foot{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:14px;padding-top:12px;border-top:1px dashed var(--line)}
.sidebar{position:sticky;top:88px;display:grid;gap:22px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side-card h3{font-size:16px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.hot-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
.hot-list li:last-child{border-bottom:none}
.hot-list i{flex:none;width:22px;height:22px;border-radius:6px;background:var(--soft-2);color:var(--brand);display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800}
.hot-list a:hover{color:var(--brand)}
.hot-list span{display:block;font-size:12px;color:var(--muted)}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags a{font-size:12.5px;background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:5px 10px;color:var(--ink-2)}
.side-tags a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.side-cta{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:none;text-align:center}
.side-cta h3{border-bottom-color:rgba(255,255,255,.25)}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.88);margin-bottom:16px}
.side-cta .btn{background:#fff;color:var(--brand);width:100%;font-weight:700}

/* ---------- CTA 区块 ---------- */
.cta-box{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-radius:var(--radius-lg);padding:52px 40px;text-align:center;color:#fff;box-shadow:var(--shadow-lg)}
.cta-box h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.cta-box p{color:rgba(255,255,255,.9);max-width:640px;margin:0 auto 26px;font-size:15.5px}
.cta-box .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.45);color:#fff}
.cta-box .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}
.cta-box .btn-primary{background:#fff;color:var(--brand);box-shadow:none}
.cta-box .btn-primary:hover{box-shadow:0 12px 28px rgba(0,0,0,.18)}

/* ---------- 长文排版（news 详情/正文块） ---------- */
.prose h2{font-size:22px;margin:34px 0 12px}
.prose h3{font-size:17.5px;margin:24px 0 10px}
.prose p{font-size:15px;color:var(--ink-2);margin-bottom:14px}
.prose ul{margin:0 0 16px}
.prose ul li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);margin-bottom:7px}
.prose ul li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:2px;background:linear-gradient(135deg,var(--brand),var(--accent))}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1220;color:#9fb0c7;padding:56px 0 22px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer .logo{color:#fff;margin-bottom:14px}
.site-footer p{font-size:13.5px;line-height:1.9}
.footer-links li{margin-bottom:9px;font-size:13.5px}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid #1e293b;margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#7d8ea5}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .grid-3,.platform-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .badges{grid-template-columns:repeat(3,1fr)}
  .news-layout{grid-template-columns:1fr}
  .sidebar{position:static}
}
@media (max-width:760px){
  .nav-links{display:none}
  .section{padding:52px 0}
  .grid-3,.platform-grid,.reviews,.news-grid{grid-template-columns:1fr}
  .badges{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-stats{grid-template-columns:1fr}
  .cta-box{padding:36px 22px}
  .mock-body{grid-template-columns:1fr}
  .mock-side{display:none}
}