/* =========================================================
   易歪歪 · 模板03 清新薄荷
   风格：白底 + 薄荷绿，留白充足，内容优先
   适用页面：index.html / download.html / news.html
   ========================================================= */
:root{
  --brand:#0f9d76;
  --brand-2:#10b981;
  --accent:#0ea5e9;
  --ink:#10261f;
  --ink-2:#33544a;
  --muted:#6b8a80;
  --line:#e2efe9;
  --soft:#f3fbf7;
  --soft-2:#e6f7ef;
  --white:#fff;
  --warn:#f59e0b;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 6px 22px rgba(16,38,31,.06);
  --shadow-lg:0 20px 44px rgba(15,157,118,.14);
  --wrap:1120px;
}
*{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:1.85;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)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);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:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-size:14px;font-weight:800}
.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;border-bottom:2px solid transparent}
.nav-links a:hover{color:var(--brand);border-bottom-color:var(--brand-2)}
.nav-links a[aria-current="page"]{color:var(--brand);border-bottom-color:var(--brand)}
.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:999px;padding:12px 24px;font-size:15px;font-weight:600;border:1.5px 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 8px 20px rgba(15,157,118,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,157,118,.28)}
.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 18px;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:#bcd6cc}

/* ---------- Hero（居中版式） ---------- */
.hero{background:linear-gradient(180deg,#f3fbf7,#fff 78%);border-bottom:1px solid var(--line);padding:66px 0 74px;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13.5px;color:var(--ink-2);margin-bottom:22px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2)}
.hero h1{font-size:clamp(28px,4vw,46px);line-height:1.28;letter-spacing:-.6px;margin:0 auto 18px;font-weight:800;max-width:900px}
.hero h1 .mark{background:linear-gradient(180deg,transparent 62%,#b6f0d8 62%);padding:0 4px}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:780px;margin:0 auto 12px}
.hero-lead strong{color:var(--brand)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:28px 0 12px}
.hero-tip{font-size:13.5px;color:var(--muted)}
.hero-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px;text-align:left}
.mini{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.mini h3{font-size:15.5px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.mini h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-2);flex:none}
.mini p{font-size:14px;color:var(--muted)}
.hero-stats{display:flex;justify-content:center;flex-wrap:wrap;gap:44px;margin-top:44px}
.hstat{text-align:center}
.hstat b{display:block;font-size:26px;color:var(--brand);font-weight:800}
.hstat span{font-size:13px;color:var(--muted)}

/* ---------- 通用区块 ---------- */
.section{padding:76px 0}
.section.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin:0 auto 44px;text-align:center}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--brand);background:var(--soft-2);border-radius:999px;padding:5px 15px;margin-bottom:14px}
.section-head h2{font-size:clamp(23px,3vw,32px);line-height:1.36;margin-bottom:12px;font-weight:800}
.section-head p{color:var(--muted);font-size:15.5px}

/* ---------- 核心功能（左图标横排） ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;display:grid;grid-template-columns:44px 1fr;gap:16px;transition:.22s}
.card:hover{border-color:#b7e8d4;box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.card-icon{width:44px;height:44px;border-radius:14px;background:var(--soft-2);color:var(--brand);display:grid;place-items:center}
.card-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14.3px;color:var(--muted)}
.card ul{margin-top:11px;font-size:13.5px;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-2);font-size:12px}

/* ---------- 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:14.4px}
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:#f7fdfa}
table.compare tbody th{font-weight:600;text-align:left}
td.yes{color:var(--brand);font-weight:600}
td.no{color:#9db5ac}

/* ---------- 用户评价 ---------- */
.reviews{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.review-card p{font-size:14.6px;color:var(--ink-2)}
.stars{color:var(--warn);font-size:14px;letter-spacing:1.5px;margin-bottom:10px}
.review-meta{display:flex;align-items:center;gap:12px;margin-top:16px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--soft-2);color:var(--brand);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（胶囊列表） ---------- */
.badges{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.badge-item{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:12px 22px}
.badge-item svg{width:22px;height:22px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.badge-item b{font-size:14.5px;display:block}
.badge-item span{font-size:12.6px;color:var(--muted);display:block}

/* ---------- FAQ（两列） ---------- */
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:start}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
.faq details[open]{border-color:#b7e8d4;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;padding:18px 22px;font-size:15.4px;font-weight:700;display:flex;justify-content:space-between;gap:14px;align-items:flex-start;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";flex:none;color:var(--brand);font-weight:700;font-size:15px}
.faq details[open] summary::after{content:"－"}
.faq .answer{padding:0 22px 20px;font-size:14.4px;color:var(--ink-2)}
.faq .answer strong{color:var(--brand)}

/* ---------- 页面头部 ---------- */
.page-hero{background:linear-gradient(180deg,#f3fbf7,#fff);border-bottom:1px solid var(--line);padding:14px 0 52px}
.page-hero h1{font-size:clamp(25px,3.4vw,36px);margin-bottom:14px;line-height:1.34}
.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(--muted)}
.page-hero .meta span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px}

/* ---------- 平台卡片 ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.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(-3px);border-color:#b7e8d4}
.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:12.6px;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;background:var(--soft);border-radius:10px;padding:12px 14px}
.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);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--soft-2);color:var(--brand);font-weight:800;font-size:15px;margin-bottom:14px}
.step h3{font-size:15.5px;margin-bottom: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:14.4px}
.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}

/* ---------- 资讯页 ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:32px;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 16px;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:20px}
.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(-3px);box-shadow:var(--shadow-lg);border-color:#b7e8d4}
.news-cover{height:104px;display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.5px}
.news-cover.c1{background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#065f46}
.news-cover.c2{background:linear-gradient(135deg,#e0f2fe,#bae6fd);color:#075985}
.news-cover.c3{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e}
.news-cover.c4{background:linear-gradient(135deg,#ede9fe,#ddd6fe);color:#5b21b6}
.news-cover.c5{background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:#1e40af}
.news-cover.c6{background:linear-gradient(135deg,#fce7f3,#fbcfe8);color:#9d174d}
.news-cover.c7{background:linear-gradient(135deg,#ccfbf1,#99f6e4);color:#115e59}
.news-cover.c8{background:linear-gradient(135deg,#fee2e2,#fecaca);color:#991b1b}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-cat{font-size:12.4px;font-weight:700;color:var(--brand);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)}
.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:90px;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:50%;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:12.6px;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,.9);margin-bottom:16px}
.side-cta .btn{background:#fff;color:var(--brand);width:100%}

/* ---------- CTA ---------- */
.cta-box{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-lg);padding:54px 40px;text-align:center}
.cta-box h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.cta-box p{color:var(--muted);max-width:640px;margin:0 auto 26px;font-size:15.5px}

/* ---------- 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-2);font-size:13px}

/* ---------- 页脚 ---------- */
.site-footer{background:#f3fbf7;border-top:1px solid var(--line);padding:56px 0 22px;font-size:14px;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h3{color:var(--ink);font-size:15px;margin-bottom:15px}
.site-footer .logo{color:var(--ink);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(--brand)}
.footer-bottom{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-3,.platform-grid,.hero-cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq{grid-template-columns: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,.hero-cards{grid-template-columns:1fr}
  .card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-stats{gap:24px}
  .cta-box{padding:34px 20px}
}