/* =========================================================
   易歪歪 · 模板04 活力暖橙（转化导向）
   风格：暖橙红主色，高对比 CTA，卡片式落地页
   适用页面：index.html / download.html / news.html
   ========================================================= */
:root{
  --brand:#f97316;
  --brand-2:#ef4444;
  --accent:#fb923c;
  --ink:#1f1206;
  --ink-2:#4a3520;
  --muted:#8a7260;
  --line:#f4e6d8;
  --soft:#fff8f1;
  --soft-2:#ffedd5;
  --white:#fff;
  --ok:#16a34a;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 8px 24px rgba(120,60,10,.08);
  --shadow-lg:0 22px 48px rgba(239,68,68,.18);
  --wrap:1140px;
}
*{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:1.82;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 22px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- 顶部公告条 ---------- */
.topbar{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;font-size:13.5px;text-align:center;padding:9px 20px;font-weight:600}
.topbar a{text-decoration:underline;text-underline-offset:3px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;transform:rotate(-6deg)}
.logo-img{width:32px;height:32px;object-fit:contain;flex-shrink:0;display:block}
.nav-links{display:flex;gap:24px;font-size:15px;color:var(--ink-2)}
.nav-links a{padding:6px 0}
.nav-links a:hover{color:var(--brand-2)}
.nav-links a[aria-current="page"]{color:var(--brand-2);font-weight:700}
.nav-actions{display:flex;gap:10px;align-items:center}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 26px;font-size:15.5px;font-weight:700;border:2px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 10px 24px rgba(249,115,22,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(239,68,68,.38)}
.btn-ghost{border-color:var(--line);color:var(--ink-2);background:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-2)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}

/* ---------- 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-2)}
.breadcrumb li+li::before{content:"›";margin-right:6px;color:#e2cbb2}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:64px 0 76px;
  background:
   radial-gradient(700px 340px at 92% 4%,rgba(251,146,60,.20),transparent 62%),
   radial-gradient(620px 320px at 4% 20%,rgba(239,68,68,.12),transparent 60%),
   linear-gradient(180deg,#fff8f1,#fff)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--soft-2);border-radius:999px;padding:6px 16px;font-size:13.5px;color:var(--ink-2);font-weight:600;margin-bottom:20px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}
h1{font-size:clamp(28px,4.1vw,46px);line-height:1.26;letter-spacing:-.6px;margin-bottom:18px;font-weight:800}
h1 em{font-style:normal;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:12px;max-width:640px}
.hero-sub strong{color:var(--ink)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 14px}
.hero-tip{font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:14px}
.hero-tip span::before{content:"✓";color:var(--ok);margin-right:5px;font-weight:800}
.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)}

/* 产品示意图 */
.demo{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}
.demo-bar{display:flex;align-items:center;gap:7px;padding:12px 15px;border-bottom:1px solid var(--line);background:var(--soft)}
.demo-bar i{width:9px;height:9px;border-radius:50%;background:#f0d5be}
.demo-bar i:nth-child(1){background:#ff8a65}.demo-bar i:nth-child(2){background:#ffc857}.demo-bar i:nth-child(3){background:#7ed957}
.demo-bar span{margin-left:8px;font-size:12px;color:var(--muted)}
.demo-body{padding:16px}
.demo-row{display:flex;gap:9px;margin-bottom:10px;align-items:flex-start}
.demo-row .who{flex:none;width:30px;height:30px;border-radius:9px;background:var(--soft-2);color:var(--brand-2);display:grid;place-items:center;font-size:11.5px;font-weight:800}
.demo-row .msg{background:var(--soft);border-radius:10px;padding:10px 13px;font-size:12.8px;color:var(--ink-2);max-width:82%}
.demo-row.me .msg{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.demo-phrase{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.demo-phrase b{font-size:12px;font-weight:700;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:6px 12px;color:var(--ink-2)}

/* ---------- 通用区块 ---------- */
.section{padding:74px 0}
.section.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));border-radius:999px;padding:5px 16px;margin-bottom:15px;letter-spacing:.5px}
.section-head h2{font-size:clamp(23px,3.1vw,33px);line-height:1.34;margin-bottom:12px;font-weight:800}
.section-head p{color:var(--muted);font-size:15.5px}

/* ---------- 核心功能 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px 24px;transition:.22s;counter-increment:fc}
.card::before{content:counter(fc,decimal-leading-zero);position:absolute;top:20px;right:22px;font-size:13px;font-weight:800;color:var(--soft-2)}
.card:hover{border-color:var(--accent);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.card-icon{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--soft-2),#ffe2cc);color:var(--brand-2);display:grid;place-items:center;margin-bottom:16px}
.card-icon svg{width:24px;height:24px;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:14.4px;color:var(--muted)}
.card ul{margin-top:12px;font-size:13.6px;color:var(--ink-2)}
.card ul li{padding-left:18px;position:relative;margin-top:5px}
.card ul li::before{content:"→";position:absolute;left:0;color:var(--brand);font-size:12px}
.grid-3{counter-reset:fc}

/* ---------- 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:730px;font-size:14.5px}
table.compare caption{text-align:left;padding:16px 20px 0;font-size:13.2px;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;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:#fffaf5}
table.compare tbody th{font-weight:600;text-align:left}
td.yes{color:var(--brand-2);font-weight:700}
td.no{color:#c0a993}

/* ---------- 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:26px;position:relative;box-shadow:var(--shadow)}
.review-card::after{content:"”";position:absolute;bottom:6px;right:20px;font-size:56px;color:var(--soft-2);font-family:Georgia,serif;line-height:1}
.review-card p{font-size:14.6px;color:var(--ink-2);position:relative}
.stars{color:#f59e0b;font-size:14px;letter-spacing:2px;margin-bottom:10px}
.review-meta{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:14.5px}
.review-meta b{display:block;font-size:14.2px}
.review-meta span{font-size:12.6px;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:22px 16px;text-align:center;background:#fff}
.badge-item svg{width:26px;height:26px;stroke:var(--brand-2);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}
.faq details[open]{border-color:var(--accent);box-shadow:var(--shadow)}
.faq summary{cursor:pointer;padding:18px 22px;font-size:15.6px;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:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:800;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-2)}

/* ---------- 页面头部 ---------- */
.page-hero{background:linear-gradient(180deg,#fff8f1,#fff);border-bottom:1px solid var(--line);padding:14px 0 52px}
.page-hero h1{font-size:clamp(25px,3.5vw,37px);margin-bottom:14px;line-height:1.3}
.page-hero p.lead{color:var(--ink-2);font-size:16px;max-width:780px}
.page-hero .meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;font-size:13px;color:var(--ink-2)}
.page-hero .meta span{background:#fff;border:1.5px solid var(--soft-2);border-radius:999px;padding:5px 14px;font-weight:600}

/* ---------- 平台卡片 ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.platform-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;display:flex;flex-direction:column;transition:.22s}
.platform-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--accent)}
.platform-card .head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.platform-card .head svg{width:28px;height:28px;stroke:var(--brand-2);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.platform-card h3{font-size:16.5px}
.platform-card .ver{font-size:12.6px;color:var(--muted)}
.platform-card p{font-size:14px;color:var(--muted);flex:1}
.platform-card dl{font-size:13.2px;color:var(--ink-2);margin:14px 0 18px;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%}

/* ---------- 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:26px 22px;counter-increment:step;position:relative}
.step::before{content:counter(step);position:absolute;top:-14px;left:22px;width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;box-shadow:0 6px 14px rgba(249,115,22,.3)}
.step h3{font-size:15.5px;margin:14px 0 8px}
.step p{font-size:13.8px;color:var(--muted)}

/* ---------- 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:13.2px;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:180px;color:var(--brand-2)}

/* ---------- 资讯页 ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 318px;gap:32px;align-items:start}
.tag-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{font-size:13.5px;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:7px 16px;color:var(--ink-2);font-weight:600;transition:.2s}
.tag:hover{border-color:var(--brand);color:var(--brand-2)}
.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:var(--accent)}
.news-cover{height:110px;display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:.6px}
.news-cover.c1{background:linear-gradient(135deg,#f97316,#f59e0b)}
.news-cover.c2{background:linear-gradient(135deg,#ef4444,#f97316)}
.news-cover.c3{background:linear-gradient(135deg,#fb7185,#f43f5e)}
.news-cover.c4{background:linear-gradient(135deg,#f59e0b,#eab308)}
.news-cover.c5{background:linear-gradient(135deg,#ea580c,#c2410c)}
.news-cover.c6{background:linear-gradient(135deg,#c026d3,#f97316)}
.news-cover.c7{background:linear-gradient(135deg,#f43f5e,#fb923c)}
.news-cover.c8{background:linear-gradient(135deg,#b91c1c,#f97316)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-cat{font-size:12.4px;font-weight:800;color:var(--brand-2);background:var(--soft-2);border-radius:999px;padding:3px 12px;align-self:flex-start;margin-bottom:10px}
.news-body h3{font-size:16.2px;line-height:1.52;margin-bottom:9px}
.news-body h3 a:hover{color:var(--brand-2)}
.news-body p{font-size:13.8px;color:var(--muted);flex:1}
.news-foot{display:flex;justify-content:space-between;font-size:12.4px;color:var(--muted);margin-top:14px;padding-top:12px;border-top:1px dashed var(--line)}
.sidebar{position:sticky;top:92px;display:grid;gap:20px}
.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:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800}
.hot-list a:hover{color:var(--brand-2)}
.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:12.6px;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:5px 12px;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,.28)}
.side-cta p{font-size:13.6px;color:rgba(255,255,255,.92);margin-bottom:16px}
.side-cta .btn{background:#fff;color:var(--brand-2);width:100%}

/* ---------- CTA ---------- */
.cta-box{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-radius:var(--radius-lg);padding:54px 40px;text-align:center;color:#fff;box-shadow:var(--shadow-lg)}
.cta-box h2{font-size:clamp(22px,3.1vw,31px);margin-bottom:12px;font-weight:800}
.cta-box p{color:rgba(255,255,255,.92);max-width:640px;margin:0 auto 26px;font-size:15.6px}
.cta-box .btn-primary{background:#fff;color:var(--brand-2);box-shadow:none}
.cta-box .btn-primary:hover{box-shadow:0 14px 30px rgba(0,0,0,.2)}
.cta-box .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.cta-box .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;border-color:#fff}

/* ---------- 长文排版 ---------- */
.prose h2{font-size:21.5px;margin:32px 0 12px}
.prose h3{font-size:17.5px;margin:22px 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:0;color:var(--brand);font-size:13px}

/* ---------- 页脚 ---------- */
.site-footer{background:#2a1508;color:#d3bfab;padding:56px 0 22px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:15px}
.site-footer .logo{color:#fff;margin-bottom:14px}
.site-footer p{font-size:13.6px;line-height:1.9}
.footer-links li{margin-bottom:9px;font-size:13.6px}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid #3d2210;margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#a08671}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .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:54px 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}
  .steps{padding-top:14px}
}