:root{--primary:#0e9f6e;--primary-dark:#0a7a54;--primary-deep:#06382b;--accent:#f59e0b;--accent-hover:#d97706;--bg:#f5faf7;--bg-soft:#eef7f1;--card:#ffffff;--text:#1f2b27;--text-soft:#5b6b64;--border:#dcebe2;--shadow:0 8px 28px rgba(6,56,43,.08);--shadow-lg:0 18px 50px rgba(6,56,43,.14);--radius:16px;--radius-sm:10px;--grad:linear-gradient(135deg,#0e9f6e 0%,#0a7a54 55%,#06382b 100%);--grad-hero:radial-gradient(1200px 600px at 80% -10%,rgba(14,159,110,.28),transparent 60%),linear-gradient(150deg,#06382b 0%,#0a5a3f 45%,#0e9f6e 100%)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}
a{color:var(--primary);text-decoration:none;transition:color .2s,background .2s,transform .2s,border-color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--soft{background:var(--bg-soft)}
.section--deep{background:var(--grad-hero);color:#eafff5}
.section-head{text-align:center;max-width:760px;margin:0 auto 44px}
.section-head .kicker{display:inline-block;background:rgba(14,159,110,.1);color:var(--primary);font-weight:700;font-size:13px;letter-spacing:1px;padding:6px 16px;border-radius:100px;margin-bottom:14px}
.section-head h2{font-size:32px;line-height:1.25;margin-bottom:12px;color:var(--primary-deep)}
.section--deep .section-head h2{color:#fff}
.section-head p{color:var(--text-soft);font-size:16px}
.section--deep .section-head p{color:rgba(234,255,245,.75)}

/* 顶部导航 */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:36px;height:36px;border-radius:8px}
.brand b{font-size:19px;color:var(--primary-deep);letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{color:var(--text);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--primary)}
.nav-cta{background:var(--accent);color:#fff!important;padding:9px 20px;border-radius:100px;font-weight:700}
.nav-cta:hover{background:var(--accent-hover);transform:translateY(-1px)}

/* Hero */
.hero{padding:64px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(14,159,110,.12);color:var(--primary);font-weight:600;font-size:13px;padding:7px 15px;border-radius:100px;margin-bottom:20px}
.hero h1{font-size:42px;line-height:1.2;color:#fff;margin-bottom:18px;letter-spacing:.3px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{color:rgba(234,255,245,.85);font-size:17px;max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:100px;font-weight:700;font-size:16px;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(245,158,11,.4)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-dark{background:var(--primary-deep);color:#fff}
.btn-dark:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.hero-meta{display:flex;gap:26px;color:rgba(234,255,245,.7);font-size:14px;flex-wrap:wrap}
.hero-meta span b{color:#fff;font-size:18px;margin-right:4px}

/* 客户端模拟器 */
.simulator{background:#0f1f1a;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.08)}
.sim-bar{display:flex;align-items:center;gap:8px;background:#122620;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.06)}
.sim-bar .dot{width:12px;height:12px;border-radius:50%}
.sim-bar .dot:nth-child(1){background:#ff5f57}
.sim-bar .dot:nth-child(2){background:#febc2e}
.sim-bar .dot:nth-child(3){background:#28c840}
.sim-bar .title{margin-left:12px;color:rgba(255,255,255,.6);font-size:13px}
.sim-body{padding:22px}
.sim-status{display:flex;align-items:center;gap:12px;background:rgba(14,159,110,.14);border:1px solid rgba(14,159,110,.35);border-radius:12px;padding:14px 16px;margin-bottom:18px}
.sim-status .ping{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}
.sim-status .info b{display:block;color:#eafff5;font-size:15px}
.sim-status .info span{color:rgba(234,255,245,.6);font-size:12px}
.sim-status .state{margin-left:auto;background:var(--primary);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:100px}
.sim-row{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:13px 16px;margin-bottom:10px;display:flex;align-items:center;justify-content:space-between}
.sim-row .l{display:flex;align-items:center;gap:12px;color:#eafff5;font-size:14px}
.sim-row .l .flag{width:26px;height:18px;border-radius:3px;display:inline-block}
.sim-row .r{color:var(--primary);font-weight:700;font-size:13px}
.sim-row .r.hot{color:var(--accent)}
.sim-btn{display:block;text-align:center;background:var(--accent);color:#fff;font-weight:700;padding:14px;border-radius:12px;margin-top:16px}
.sim-btn:hover{background:var(--accent-hover);color:#fff}

/* 公告区 */
.notice-bar{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px 22px;box-shadow:var(--shadow);margin-top:-36px;position:relative;z-index:5}
.notice-bar .tag{background:var(--accent);color:#fff;font-weight:700;font-size:13px;padding:6px 14px;border-radius:100px;white-space:nowrap}
.notice-bar p{color:var(--text-soft);font-size:14px}

/* 核心功能 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.feature-card .icon{width:54px;height:54px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.feature-card h3{font-size:19px;color:var(--primary-deep);margin-bottom:10px}
.feature-card p{color:var(--text-soft);font-size:15px}

/* 对比表格 */
.compare-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-lg);background:#fff}
.compare-table{width:100%;border-collapse:collapse;min-width:680px}
.compare-table th,.compare-table td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--border);font-size:14px}
.compare-table thead th{background:var(--primary-deep);color:#fff;font-weight:600;font-size:15px}
.compare-table thead th.highlight{background:var(--accent)}
.compare-table tbody tr:nth-child(even){background:var(--bg-soft)}
.compare-table td:first-child{text-align:left;font-weight:600;color:var(--primary-deep)}
.compare-table .yes{color:var(--primary);font-weight:700}
.compare-table .no{color:#c0392b}

/* 新闻 Tab */
.tabs{display:flex;gap:10px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}
.tab-btn{display:inline-block;padding:10px 24px;border-radius:100px;background:#fff;border:1px solid var(--border);color:var(--text);font-weight:600;font-size:14px}
.tab-btn.active,.tab-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.news-card img{width:100%;height:170px;object-fit:cover}
.news-card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-card .cat{font-size:12px;color:var(--primary);font-weight:700;margin-bottom:8px}
.news-card h3{font-size:17px;line-height:1.4;margin-bottom:10px;color:var(--primary-deep)}
.news-card h3 a{color:var(--primary-deep)}
.news-card h3 a:hover{color:var(--primary)}
.news-card .meta{font-size:12px;color:var(--text-soft);margin-top:auto}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.review-card .stars{color:var(--accent);font-size:16px;letter-spacing:2px;margin-bottom:12px}
.review-card p{color:var(--text-soft);font-size:14px;margin-bottom:16px}
.review-card .who{display:flex;align-items:center;gap:10px}
.review-card .avatar{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.review-card .who b{display:block;font-size:14px;color:var(--primary-deep)}
.review-card .who span{font-size:12px;color:var(--text-soft)}

/* 下载区 */
.download-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.dl-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px 18px;text-align:center;box-shadow:var(--shadow);transition:transform .25s}
.dl-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.dl-card .icon{font-size:40px;margin-bottom:12px}
.dl-card b{display:block;color:var(--primary-deep);font-size:16px;margin-bottom:6px}
.dl-card span{display:block;color:var(--text-soft);font-size:12px;margin-bottom:16px}
.dl-card .btn{display:inline-block;padding:9px 20px;font-size:14px}

/* 信任背书 */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:24px;text-align:center}
.trust-item .num{font-size:32px;font-weight:800;color:var(--accent);margin-bottom:6px}
.trust-item p{color:rgba(234,255,245,.8);font-size:14px}

/* 应用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow)}
.scene-card .icon{font-size:36px;margin-bottom:12px}
.scene-card h3{font-size:16px;color:var(--primary-deep);margin-bottom:8px}
.scene-card p{font-size:13px;color:var(--text-soft)}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;color:var(--primary-deep);display:flex;justify-content:space-between;align-items:center;font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--primary);font-weight:700}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 22px 20px;color:var(--text-soft);font-size:15px}
.faq-item .faq-body ol{padding-left:20px;margin:8px 0}
.faq-item .faq-body ol li{margin-bottom:6px}
.faq-item .faq-body h4{color:var(--primary-deep);margin:14px 0 6px;font-size:15px}

/* CTA + 页脚 */
.cta{padding:80px 0;text-align:center}
.cta h2{font-size:34px;color:#fff;margin-bottom:14px}
.cta p{color:rgba(234,255,245,.8);margin-bottom:28px;font-size:16px}
.footer{background:#052b20;color:rgba(234,255,245,.7);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer .brand{color:#fff;margin-bottom:14px}
.footer p{font-size:14px;line-height:1.8}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:9px}
.footer ul a{color:rgba(234,255,245,.7);font-size:14px}
.footer ul a:hover{color:var(--primary)}
.friend-links{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px}
.friend-links a{color:rgba(234,255,245,.6);margin:0 10px;display:inline-block;padding:3px 0}
.friend-links a:hover{color:var(--primary)}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;font-size:13px;color:rgba(234,255,245,.5)}
.copyright a{color:rgba(234,255,245,.6)}

/* 面包屑 */
.breadcrumb{background:var(--bg-soft);border-bottom:1px solid var(--border);padding:14px 0;font-size:13px}
.breadcrumb ol{list-style:none;display:flex;gap:8px;flex-wrap:wrap}
.breadcrumb li{color:var(--text-soft)}
.breadcrumb li:not(:last-child)::after{content:"›";margin-left:8px;color:#b0c4ba}
.breadcrumb a{color:var(--primary)}

/* 新闻详情 */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;padding-top:40px;padding-bottom:60px}
.article-main{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.article-main h1{font-size:30px;line-height:1.35;color:var(--primary-deep);margin-bottom:16px}
.article-meta{display:flex;gap:18px;color:var(--text-soft);font-size:13px;margin-bottom:24px;flex-wrap:wrap}
.article-main .lead{font-size:17px;color:#33423c;background:var(--bg-soft);border-left:4px solid var(--primary);padding:16px 20px;border-radius:0 10px 10px 0;margin-bottom:28px}
.article-main h2{font-size:22px;color:var(--primary-deep);margin:30px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--bg-soft)}
.article-main h3{font-size:18px;color:var(--primary-deep);margin:22px 0 10px}
.article-main p{margin-bottom:16px;color:#33423c;font-size:16px;line-height:1.9}
.article-main img{border-radius:12px;margin:18px 0}
.article-main figcaption{font-size:13px;color:var(--text-soft);text-align:center;margin:-10px 0 20px}
.article-main table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.article-main table th,.article-main table td{padding:12px 14px;border:1px solid var(--border);text-align:left}
.article-main table th{background:var(--bg-soft);color:var(--primary-deep)}
.article-main blockquote{border-left:4px solid var(--accent);background:var(--bg-soft);padding:14px 20px;margin:20px 0;color:var(--text-soft);font-size:15px}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}
.article-nav a{font-size:14px;font-weight:600}
.article-comments{margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}
.article-comments h3{font-size:18px;color:var(--primary-deep);margin-bottom:20px}
.comment-item{display:flex;gap:12px;margin-bottom:20px}
.comment-item .avatar{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.comment-item .cbody{flex:1;background:var(--bg-soft);border-radius:12px;padding:14px 16px}
.comment-item .cbody b{display:block;font-size:14px;color:var(--primary-deep)}
.comment-item .cbody span{font-size:12px;color:var(--text-soft)}
.comment-item .cbody p{font-size:14px;color:#33423c;margin-top:6px;margin-bottom:0}

/* 侧栏 */
.sidebar .widget{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px;box-shadow:var(--shadow)}
.sidebar .widget h3{font-size:17px;color:var(--primary-deep);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--bg-soft)}
.sidebar .hot-list{list-style:none}
.sidebar .hot-list li{margin-bottom:12px;padding-bottom:12px;border-bottom:1px dashed var(--border)}
.sidebar .hot-list li:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.sidebar .hot-list a{font-size:14px;color:var(--text);line-height:1.5}
.sidebar .hot-list a:hover{color:var(--primary)}
.sidebar .hot-list .num{display:inline-block;width:20px;height:20px;line-height:20px;text-align:center;background:var(--bg-soft);color:var(--primary);border-radius:5px;font-size:12px;font-weight:700;margin-right:8px}
.sidebar .cat-list{list-style:none}
.sidebar .cat-list li{margin-bottom:8px}
.sidebar .cat-list a{font-size:14px;color:var(--text);display:flex;justify-content:space-between}
.sidebar .cat-list a:hover{color:var(--primary)}

/* 相关阅读 */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.related .news-card img{height:140px}

/* 分页/列表 */
.news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}

/* 404 */
.notfound{text-align:center;padding:120px 0}
.notfound h1{font-size:90px;color:var(--primary);line-height:1;margin-bottom:16px}
.notfound p{color:var(--text-soft);font-size:18px;margin-bottom:28px}

/* 响应式 */
@media(max-width:960px){.hero-grid,.article-layout{grid-template-columns:1fr}.nav-links{display:none}.feature-grid,.news-grid,.review-grid,.scene-grid,.trust-grid,.related,.news-list-grid{grid-template-columns:repeat(2,1fr)}.download-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:32px}}
@media(max-width:560px){.feature-grid,.news-grid,.review-grid,.scene-grid,.trust-grid,.related,.news-list-grid,.download-grid,.footer-grid{grid-template-columns:1fr}.section{padding:48px 0}.hero h1{font-size:28px}.article-main{padding:24px}}