/* 绿茶vpn 全站样式 - 绿茶主题 */
:root{
  --green-600:#16a34a; --green-700:#15803d; --green-800:#166534; --green-900:#14532d;
  --green-50:#f0fdf4; --green-100:#dcfce7; --green-200:#bbf7d0;
  --mint:#10b981; --slate-900:#0f172a; --slate-800:#1e293b; --slate-700:#334155;
  --slate-600:#475569; --slate-500:#64748b; --slate-100:#f1f5f9; --slate-50:#f8fafc;
  --white:#ffffff; --amber:#f59e0b;
  --radius:14px; --radius-sm:9px;
  --shadow:0 6px 24px rgba(15,23,42,.08);
  --shadow-lg:0 18px 50px rgba(15,23,42,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",-apple-system,BlinkMacSystemFont,sans-serif;color:var(--slate-700);line-height:1.75;background:var(--white);font-size:16px}
a{color:var(--green-700);text-decoration:none}
a:hover{color:var(--green-900)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{color:var(--slate-900);line-height:1.3;font-weight:700}
h1{font-size:2.6rem}h2{font-size:2rem}h3{font-size:1.35rem}
p{margin:0 0 1em}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
.section{padding:72px 0}
.section-muted{background:var(--slate-50)}
.section-green{background:linear-gradient(180deg,var(--green-50),#fff)}
.section-head{text-align:center;max-width:760px;margin:0 auto 44px}
.section-head .eyebrow{display:inline-block;background:var(--green-100);color:var(--green-800);font-size:.82rem;font-weight:600;padding:5px 14px;border-radius:99px;margin-bottom:14px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--slate-500);margin:0}

/* 顶部导航 */
.topbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--green-100)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:var(--slate-900)}
.nav-brand img{width:34px;height:34px;border-radius:8px}
.nav-brand span b{color:var(--green-700)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--slate-600);font-size:.95rem;font-weight:500}
.nav-links a:hover{color:var(--green-700)}
.nav-lang{display:flex;align-items:center;gap:6px;border:1px solid var(--green-200);border-radius:99px;padding:3px 6px}
.nav-lang a{padding:5px 12px;border-radius:99px;font-size:.85rem;font-weight:600}
.nav-lang a.active{background:var(--green-600);color:#fff}
.nav-cta{background:var(--green-600);color:#fff;padding:9px 20px;border-radius:99px;font-weight:600;font-size:.92rem}
.nav-cta:hover{background:var(--green-700);color:#fff}
.menu-btn{display:none;font-size:1.5rem;color:var(--slate-700);cursor:pointer}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,#052e16 0%,#14532d 55%,#166534 100%);color:#e6f4ea;overflow:hidden;padding:76px 0 90px}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 20%,rgba(16,185,129,.28),transparent 46%),radial-gradient(circle at 12% 85%,rgba(34,197,94,.18),transparent 40%)}
.hero .container{position:relative;z-index:2;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(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#d9f5e4;font-size:.85rem;padding:6px 14px;border-radius:99px;margin-bottom:18px}
.hero h1{color:#fff;font-size:3rem;margin-bottom:18px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:#86efac}
.hero p.lead{color:#cfe8d9;font-size:1.12rem;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:99px;font-weight:600;font-size:1rem;transition:.2s}
.btn-primary{background:var(--green-600);color:#fff;box-shadow:0 8px 22px rgba(22,163,74,.35)}
.btn-primary:hover{background:var(--green-700);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-outline{background:transparent;color:var(--green-700);border:2px solid var(--green-600)}
.btn-outline:hover{background:var(--green-50)}
.hero-stats{display:flex;gap:30px;margin-top:30px}
.hero-stats .hs b{display:block;color:#fff;font-size:1.6rem}
.hero-stats .hs span{color:#9fd6b4;font-size:.85rem}

/* 客户端模拟器 */
.simulator{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:18px;box-shadow:0 30px 70px rgba(0,0,0,.35);backdrop-filter:blur(6px)}
.sim-window{background:#0b1220;border-radius:14px;overflow:hidden}
.sim-titlebar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#111a2c;border-bottom:1px solid #1f2b3d}
.sim-dot{width:11px;height:11px;border-radius:50%}
.sim-dot.r{background:#ff5f57}.sim-dot.y{background:#febc2e}.sim-dot.g{background:#28c840}
.sim-title{flex:1;text-align:center;color:#9fb3d1;font-size:.8rem;font-weight:600;letter-spacing:.5px}
.sim-body{display:grid;grid-template-columns:1fr;gap:14px;padding:16px}
.sim-status{display:flex;align-items:center;justify-content:space-between;background:#13203a;border-radius:11px;padding:15px 18px}
.sim-status .left{display:flex;align-items:center;gap:12px}
.sim-flag{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,#10b981,#059669);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.sim-status .left b{color:#eef4ff;display:block;font-size:.95rem}
.sim-status .left span{color:#8aa0c0;font-size:.78rem}
.sim-pill{background:rgba(40,200,64,.14);color:#5ce07a;font-size:.78rem;font-weight:600;padding:5px 12px;border-radius:99px}
.sim-connect{background:var(--green-600);color:#fff;border-radius:10px;padding:13px;text-align:center;font-weight:700;letter-spacing:1px;display:block}
.sim-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sim-metric{background:#13203a;border-radius:10px;padding:12px;text-align:center}
.sim-metric b{color:#eef4ff;display:block;font-size:1.05rem}
.sim-metric span{color:#8aa0c0;font-size:.72rem}
.sim-list{background:#13203a;border-radius:11px;padding:8px}
.sim-node{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;border-radius:8px;font-size:.86rem;color:#cfe0ff}
.sim-node.active{background:rgba(16,185,129,.14)}
.sim-node b{color:#fff;font-weight:600}
.sim-node .ping{color:#5ce07a;font-size:.78rem}
.sim-chart{background:#13203a;border-radius:11px;padding:12px;height:64px;display:flex;align-items:flex-end;gap:5px}
.sim-chart i{flex:1;background:linear-gradient(180deg,#34d399,#059669);border-radius:3px 3px 0 0;display:block}

/* 核心功能卡片 */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{background:#fff;border:1px solid #e8f3ea;border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:.25s}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--green-200)}
.feature-card .ico{width:52px;height:52px;border-radius:12px;background:var(--green-100);color:var(--green-700);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px}
.feature-card h3{font-size:1.15rem;margin-bottom:9px}
.feature-card p{color:var(--slate-500);font-size:.93rem;margin:0}

/* 公告区 */
.notice-bar{display:flex;align-items:center;gap:14px;background:#fff8ed;border:1px solid #fde8c8;border-left:4px solid var(--amber);border-radius:12px;padding:18px 22px;margin-bottom:26px}
.notice-bar .tag{background:var(--amber);color:#fff;font-weight:700;padding:4px 12px;border-radius:6px;font-size:.8rem;white-space:nowrap}
.notice-bar p{margin:0;color:var(--slate-700);font-size:.95rem}

/* 信任背书 */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{text-align:center;padding:26px 16px;background:#fff;border-radius:var(--radius);border:1px solid #eef2f6}
.trust-item .num{font-size:2rem;font-weight:800;color:var(--green-700)}
.trust-item .lbl{color:var(--slate-500);font-size:.88rem;margin-top:4px}

/* 应用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{position:relative;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid #eef2f6;box-shadow:var(--shadow)}
.scene-card .body{padding:22px}
.scene-card h3{font-size:1.1rem;margin-bottom:8px}
.scene-card p{color:var(--slate-500);font-size:.9rem;margin:0}
.scene-ico{width:46px;height:46px;border-radius:10px;background:var(--green-50);color:var(--green-600);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:14px}

/* 对比表格 */
.compare-wrap{overflow-x:auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #eef2f6}
table.compare{width:100%;border-collapse:collapse;min-width:640px}
.compare th,.compare td{padding:15px 18px;text-align:center;font-size:.93rem;border-bottom:1px solid #f1f5f9}
.compare thead th{background:var(--slate-50);color:var(--slate-600);font-weight:600}
.compare thead th:first-child,.compare tbody td:first-child{text-align:left;font-weight:600;color:var(--slate-800)}
.compare tbody tr:last-child td{border-bottom:none}
.compare .yes{color:var(--green-600);font-weight:700}
.compare .no{color:#cbd5e1}
.compare tr.hl{background:var(--green-50)}

/* 新闻 */
.news-tabs{display:flex;justify-content:center;gap:10px;margin-bottom:34px;flex-wrap:wrap}
.news-tabs a{padding:9px 22px;border-radius:99px;font-weight:600;font-size:.92rem;color:var(--slate-600);background:var(--slate-100)}
.news-tabs a.active,.news-tabs a:hover{background:var(--green-600);color:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid #eef2f6;box-shadow:var(--shadow);display:flex;flex-direction:column}
.news-card img{height:170px;width:100%;object-fit:cover}
.news-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-card .cat{font-size:.75rem;font-weight:700;color:var(--green-700);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.news-card h3{font-size:1.05rem;margin-bottom:10px;line-height:1.45}
.news-card h3 a{color:var(--slate-900)}
.news-card h3 a:hover{color:var(--green-700)}
.news-card p{color:var(--slate-500);font-size:.88rem;margin-bottom:14px}
.news-card .meta{font-size:.78rem;color:var(--slate-500);margin-top:auto}

/* 评论 */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:#fff;border:1px solid #eef2f6;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.review-card .stars{color:var(--amber);font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-card p{color:var(--slate-600);font-size:.93rem;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(--green-100);color:var(--green-700);display:flex;align-items:center;justify-content:center;font-weight:700}
.review-card .who b{display:block;color:var(--slate-800);font-size:.9rem}
.review-card .who span{font-size:.78rem;color:var(--slate-500)}

/* 下载区 */
.download-platforms{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.platform-card{background:#fff;border:1px solid #eef2f6;border-radius:var(--radius);padding:26px 16px;text-align:center;box-shadow:var(--shadow);transition:.2s}
.platform-card:hover{transform:translateY(-4px);border-color:var(--green-200)}
.platform-card .pico{width:56px;height:56px;border-radius:14px;margin:0 auto 14px;background:var(--green-50);display:flex;align-items:center;justify-content:center;font-size:1.7rem}
.platform-card h3{font-size:1rem;margin-bottom:6px}
.platform-card .ver{font-size:.78rem;color:var(--slate-500);margin-bottom:14px}
.platform-card .btn{font-size:.9rem;padding:10px 18px}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
details.faq{border:1px solid #eef2f6;border-radius:12px;margin-bottom:12px;background:#fff;box-shadow:var(--shadow);overflow:hidden}
details.faq summary{cursor:pointer;padding:19px 22px;font-weight:600;color:var(--slate-800);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:1.4rem;color:var(--green-600);font-weight:600;transition:.2s}
details.faq[open] summary::after{content:"−"}
details.faq .faq-body{padding:0 22px 20px;color:var(--slate-600);font-size:.95rem}
details.faq .faq-body ol{margin:0 0 0 20px;padding:0}
details.faq .faq-body ol li{margin-bottom:10px}

/* 底部CTA */
.cta{background:linear-gradient(135deg,#052e16,#166534);color:#fff;border-radius:22px;padding:54px 40px;text-align:center;position:relative;overflow:hidden}
.cta h2{color:#fff;margin-bottom:14px}
.cta p{color:#cfe8d9;max-width:620px;margin:0 auto 26px}

/* 页脚 */
footer{background:var(--slate-900);color:#94a3b8;padding:56px 0 0;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px}
.footer-grid h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-grid a{display:block;color:#94a3b8;font-size:.9rem;margin-bottom:10px}
.footer-grid a:hover{color:#86efac}
.footer-brand p{font-size:.9rem;max-width:320px;margin-top:14px}
.footer-bottom{border-top:1px solid #1e293b;padding:20px 0;font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-bottom a{color:#94a3b8}

/* 面包屑 */
.breadcrumb{font-size:.85rem;color:var(--slate-500);padding:18px 0;margin-bottom:6px}
.breadcrumb a{color:var(--slate-500)}
.breadcrumb a:hover{color:var(--green-700)}
.breadcrumb span{color:var(--slate-400);margin:0 6px}

/* 文章页 */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.article-main{background:#fff;border-radius:var(--radius);border:1px solid #eef2f6;padding:36px 40px;box-shadow:var(--shadow)}
.article-main h1{font-size:1.9rem;margin:14px 0}
.article-meta{display:flex;gap:18px;color:var(--slate-500);font-size:.85rem;margin-bottom:22px;flex-wrap:wrap}
.article-hero{border-radius:12px;margin:6px 0 22px;overflow:hidden}
.article-main h2{font-size:1.4rem;margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--green-600)}
.article-main p{color:var(--slate-600);font-size:1rem}
.article-main ul,.article-main ol{margin:0 0 1em 22px}
.article-main li{margin-bottom:8px}
.article-main blockquote{border-left:4px solid var(--green-200);background:var(--green-50);padding:16px 20px;border-radius:0 10px 10px 0;margin:20px 0;color:var(--slate-600)}
.article-main table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem}
.article-main th,.article-main td{border:1px solid #e2e8f0;padding:11px 14px;text-align:left}
.article-main th{background:var(--slate-50);color:var(--slate-700)}
.article-toc{background:var(--slate-50);border:1px solid #eef2f6;border-radius:12px;padding:18px 22px;margin:18px 0 26px}
.article-toc b{display:block;margin-bottom:10px;color:var(--slate-800)}
.article-toc a{display:block;color:var(--green-700);font-size:.92rem;padding:4px 0}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:34px;border-top:1px solid #eef2f6;padding-top:22px;flex-wrap:wrap}
.article-nav a{font-size:.9rem;max-width:48%}
.sidebar .side-box{background:#fff;border:1px solid #eef2f6;border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:var(--shadow)}
.sidebar .side-box h3{font-size:1.05rem;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--green-100)}
.sidebar .side-box a.hot{display:flex;gap:10px;margin-bottom:13px;font-size:.88rem;color:var(--slate-600)}
.sidebar .side-box a.hot:hover{color:var(--green-700)}
.sidebar .side-box a.hot .n{color:var(--green-600);font-weight:800}
.sidebar .side-box .cat-tag{display:inline-block;background:var(--slate-100);color:var(--slate-600);font-size:.82rem;padding:6px 12px;border-radius:99px;margin:0 6px 8px 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}

/* 404 */
.err-wrap{min-height:74vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:60px 20px}
.err-wrap .code{font-size:7rem;font-weight:800;color:var(--green-100);line-height:1}
.err-wrap h1{font-size:2rem;margin:10px 0 16px}
.err-wrap p{color:var(--slate-500);max-width:460px;margin:0 auto 26px}

/* 响应式 */
@media(max-width:960px){
  .hero .container{grid-template-columns:1fr}
  .features-grid,.scene-grid,.news-grid,.reviews-grid,.trust-grid{grid-template-columns:repeat(2,1fr)}
  .download-platforms{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  h1{font-size:2.2rem}
  .hero h1{font-size:2.3rem}
}
@media(max-width:640px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .features-grid,.scene-grid,.news-grid,.reviews-grid,.trust-grid,.related-grid{grid-template-columns:1fr}
  .download-platforms{grid-template-columns:1fr 1fr}
  .hero-stats{flex-wrap:wrap;gap:16px}
  h2{font-size:1.6rem}
  .article-main{padding:24px 20px}
}