/* roulang page: index */
:root{
  --primary:#0E7A4C;
  --primary-dark:#0B5F3B;
  --primary-light:#E9F5EF;
  --accent:#F47B20;
  --accent-dark:#D96914;
  --accent-light:#FEF2E8;
  --dark:#101820;
  --dark-2:#18242D;
  --text:#101820;
  --text-2:#5A6570;
  --text-3:#9AA4AE;
  --border:#E3E7EB;
  --bg-soft:#F6F7F8;
  --white:#FFFFFF;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(16,24,32,.06);
  --shadow-hover:0 8px 24px rgba(16,24,32,.08);
  --container:1200px;
  --font-num:"DIN Alternate","Bahnschrift","Roboto Mono",Consolas,"Liberation Mono",monospace;
  --font-cn:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);font-size:16px;line-height:1.7;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:all .18s ease}
button{font-family:inherit;border:0;background:none;cursor:pointer;transition:all .18s ease}
input,select,textarea{font-family:inherit;font-size:14px}
ul,ol{list-style:none}
[id]{scroll-margin-top:120px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:12px 26px;border-radius:var(--radius-sm);line-height:1.4;white-space:nowrap;border:1.5px solid transparent;transition:all .18s ease}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(244,123,32,.28)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 6px 20px rgba(244,123,32,.36);color:#fff}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-ghost:hover{background:#fff;color:var(--dark);border-color:#fff}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 6px 20px rgba(14,122,76,.3)}
.btn-lg{padding:15px 34px;font-size:16px;border-radius:12px}
.btn-header{padding:9px 20px;font-size:14px;border-radius:var(--radius-pill)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-arrow svg{transition:transform .18s ease}
.link-arrow:hover{color:var(--primary-dark)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ===== Topbar ===== */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:12.5px;text-align:center;padding:7px 16px;letter-spacing:.3px}
.topbar-inner{display:flex;justify-content:center;align-items:center;gap:10px}
.topbar-tip::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:1px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:120}
.header-main{background:rgba(255,255,255,.96);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:20px;padding:13px 24px;max-width:var(--container);margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;min-width:0}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 10px rgba(14,122,76,.22)}
.logo-text{font-size:18px;font-weight:800;color:var(--dark);letter-spacing:.2px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--accent-dark)}
.header-search{flex:1;max-width:460px;margin-left:auto;display:flex;align-items:center;background:var(--bg-soft);border:1.5px solid var(--border);border-radius:var(--radius-pill);padding:3px 4px 3px 16px;transition:border-color .18s ease,box-shadow .18s ease}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,122,76,.12);background:#fff}
.header-search input{flex:1;border:0;background:transparent;outline:0;font-size:14px;color:var(--text);padding:8px 0}
.header-search input::placeholder{color:var(--text-3)}
.header-search button{width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.header-search button:hover{background:var(--primary-dark)}
.search-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1.5px solid var(--border);color:var(--text);align-items:center;justify-content:center;flex-shrink:0;margin-left:auto}
.search-toggle:hover{border-color:var(--primary);color:var(--primary)}
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border-radius:10px;border:1.5px solid var(--border);flex-shrink:0;padding:0 9px}
.menu-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:all .2s ease}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn-header{margin-left:auto;flex-shrink:0}

/* ===== Channel Nav ===== */
.channel-nav{background:var(--bg-soft);border-bottom:1px solid var(--border)}
.channel-inner{display:flex;gap:8px;padding:10px 24px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{display:inline-flex;align-items:center;padding:8px 18px;border-radius:var(--radius-pill);font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;flex-shrink:0}
.channel-link:hover{color:var(--primary);background:var(--primary-light)}
.channel-link.active{background:var(--primary);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(14,122,76,.24)}

/* ===== Mobile Drawer ===== */
.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:300px;max-width:85vw;background:#fff;z-index:300;box-shadow:0 0 60px rgba(16,24,32,.2);transform:translateX(-105%);transition:transform .3s ease;display:flex;flex-direction:column;padding:22px}
.mobile-drawer.open{transform:translateX(0)}
.drawer-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--border)}
.drawer-close{width:34px;height:34px;border-radius:10px;background:var(--bg-soft);color:var(--text);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center}
.drawer-close:hover{background:var(--accent-light);color:var(--accent-dark)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;padding:20px 0;flex:1}
.drawer-link{padding:12px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text)}
.drawer-link:hover{background:var(--primary-light);color:var(--primary)}
.drawer-link.active{background:var(--primary);color:#fff;font-weight:600}
.drawer-cta{width:100%}
.drawer-overlay{position:fixed;inset:0;background:rgba(16,24,32,.5);z-index:290;opacity:0;visibility:hidden;transition:all .3s ease}
.drawer-overlay.open{opacity:1;visibility:visible}

/* ===== Hero ===== */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,24,32,.94) 0%,rgba(16,24,32,.72) 55%,rgba(16,24,32,.86) 100%)}
.hero-grid-pattern{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:24px 24px;opacity:.45;pointer-events:none}
.hero-glow{position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(40,190,124,.2),transparent 65%);top:-150px;right:6%;filter:blur(12px);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;min-height:600px;padding-top:64px;padding-bottom:64px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(244,123,32,.14);border:1px solid rgba(244,123,32,.35);color:#FFB169;font-size:13px;font-weight:600;padding:6px 16px;border-radius:var(--radius-pill);letter-spacing:.5px}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(244,123,32,.45)}50%{opacity:.8;box-shadow:0 0 0 5px rgba(244,123,32,0)}}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;margin:22px 0 18px;letter-spacing:.5px}
.hero h1 span{color:#28BE7C}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.72);max-width:540px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-bottom:24px}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:rgba(255,255,255,.68)}
.hero-trust span::before{content:"";width:18px;height:18px;border-radius:50%;background:rgba(40,190,124,.18);border:1px solid rgba(40,190,124,.5);display:inline-flex;align-items:center;justify-content:center;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2328BE7C' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-9'/%3E%3C/svg%3E");background-size:10px;background-position:center;background-repeat:no-repeat}
.hero-rating{display:flex;align-items:center;gap:12px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12)}
.stars{color:#F2B01E;font-size:16px;letter-spacing:2px}
.hero-rating span{font-size:13.5px;color:rgba(255,255,255,.65)}
.hero-visual{display:flex;justify-content:center;align-items:center}
.device-mock{width:330px;max-width:100%;border-radius:30px;background:var(--dark-2);border:1px solid rgba(255,255,255,.14);padding:14px 14px 20px;box-shadow:0 30px 70px rgba(0,0,0,.45);position:relative}
.device-mock::after{content:"";position:absolute;inset:-1px;border-radius:30px;background:linear-gradient(145deg,rgba(255,255,255,.08),transparent 40%);pointer-events:none}
.device-top{display:flex;justify-content:center;padding-bottom:12px}
.device-camera{width:8px;height:8px;border-radius:50%;background:#394752;position:relative}
.device-camera::before{content:"";position:absolute;width:4px;height:4px;border-radius:50%;background:#1b272f;left:2px;top:2px}
.device-screen{background:#0F151B;border-radius:18px;overflow:hidden}
.app-header-line{display:flex;align-items:center;gap:9px;padding:13px 14px;background:#131C24;border-bottom:1px solid rgba(255,255,255,.06)}
.app-logo-dot{width:12px;height:12px;border-radius:4px;background:var(--accent)}
.app-title-line{width:96px;height:8px;background:rgba(255,255,255,.16);border-radius:4px}
.app-title-line.short{width:50px}
.score-panel{display:flex;align-items:center;justify-content:space-between;padding:20px 16px;background:linear-gradient(135deg,#0E7A4C,#0B5F3B);position:relative}
.score-team{display:flex;flex-direction:column;align-items:center;gap:7px;text-align:center;min-width:60px}
.team-avatar{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center}
.team-avatar svg{width:20px;height:20px;stroke:rgba(255,255,255,.85)}
.team-name{font-size:11px;color:rgba(255,255,255,.82);font-weight:600}
.score-num{font-family:var(--font-num);font-size:32px;font-weight:800;color:#fff;line-height:1}
.score-vs{font-size:14px;color:rgba(255,255,255,.6);font-weight:700}
.live-badge{position:absolute;top:8px;right:10px;background:var(--accent);color:#fff;font-size:9px;font-weight:800;padding:2px 8px;border-radius:var(--radius-pill);letter-spacing:1px}
.match-tabs{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.06)}
.match-tabs .tab{height:4px;border-radius:2px;background:rgba(255,255,255,.14);flex:1}
.match-tabs .tab.active{background:#28BE7C}
.data-rows{padding:14px;display:flex;flex-direction:column;gap:10px}
.data-row{height:9px;border-radius:5px;background:rgba(255,255,255,.1)}
.data-row.short{width:68%}
.data-row.green{background:rgba(40,190,124,.2);width:82%}
.download-pill{margin:6px 14px 0;background:rgba(244,123,32,.16);border:1px solid rgba(244,123,32,.35);color:#FFB169;font-size:11px;font-weight:600;text-align:center;padding:9px 0;border-radius:var(--radius-pill);letter-spacing:.4px}
.hero-note{position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:24px;height:44px;border:2px solid rgba(255,255,255,.24);border-top:0;border-radius:0 0 14px 14px;display:none}

/* ===== Stats Strip ===== */
.stats-strip{background:var(--dark-2);border-bottom:1px solid rgba(255,255,255,.07)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:34px 0}
.stat-item{text-align:center;border-right:1px solid rgba(255,255,255,.08);padding:0 20px}
.stat-item:last-child{border-right:0}
.stat-num{font-family:var(--font-num);font-size:36px;font-weight:800;color:#28BE7C;line-height:1.1}
.stat-num small{font-size:20px;font-weight:700}
.stat-label{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.6)}

/* ===== Section Head ===== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px}
.section-head h2{font-size:30px;font-weight:800;letter-spacing:.3px;color:var(--text);margin-bottom:8px}
.section-head p{font-size:14.5px;color:var(--text-2)}
.section-head .link-arrow{flex-shrink:0;padding-bottom:6px}

/* ===== Cards Grid ===== */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.content-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s ease,transform .2s ease;display:flex;flex-direction:column}
.content-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.content-card:hover .card-cover img{transform:scale(1.04)}
.card-badge{position:absolute;top:12px;left:12px;background:rgba(16,24,32,.78);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);backdrop-filter:blur(4px)}
.card-body{padding:18px 18px 16px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.45;margin-bottom:9px;color:var(--text)}
.card-body h3 a:hover{color:var(--primary)}
.card-body p{font-size:13.5px;line-height:1.65;color:var(--text-2);flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.card-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:12px}
.card-meta span{font-family:var(--font-num);font-size:12.5px;color:var(--text-3)}
.card-link{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--primary)}
.card-link svg{transition:transform .18s ease}
.card-link:hover{color:var(--accent-dark)}
.card-link:hover svg{transform:translateX(4px)}

/* ===== Testimonials ===== */
.testimonials{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.carousel-controls{display:flex;gap:10px;flex-shrink:0;padding-bottom:6px}
.carousel-btn{width:42px;height:42px;border-radius:50%;background:#fff;border:1.5px solid var(--border);color:var(--text);display:flex;align-items:center;justify-content:center;font-size:17px}
.carousel-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.testimonial-viewport{overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none}
.testimonial-viewport::-webkit-scrollbar{display:none}
.testimonial-track{display:flex;gap:24px}
.testimonial-card{flex:0 0 348px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;transition:box-shadow .2s ease;position:relative}
.testimonial-card:hover{box-shadow:var(--shadow-hover)}
.testimonial-card::before{content:"”";position:absolute;top:12px;right:20px;font-size:60px;line-height:1;color:var(--primary-light);font-family:Georgia,serif;font-weight:700}
.t-stars{color:#F2B01E;font-size:15px;letter-spacing:2px;margin-bottom:14px}
.t-quote{font-size:14.5px;line-height:1.8;color:var(--text-2);margin-bottom:20px;min-height:78px}
.t-info{display:flex;align-items:center;gap:12px;border-top:1px solid var(--border);padding-top:16px}
.t-avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0}
.t-avatar.a1{background:var(--primary-light);color:var(--primary)}
.t-avatar.a2{background:var(--accent-light);color:var(--accent-dark)}
.t-avatar.a3{background:#EEF1F4;color:var(--dark-2)}
.t-meta{display:flex;flex-direction:column}
.t-name{font-size:14px;font-weight:700;color:var(--text)}
.t-role{font-size:12.5px;color:var(--text-3);margin-top:2px}

/* ===== Trust Bar ===== */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust-item{display:flex;align-items:flex-start;gap:14px;padding:34px 26px;border-left:1px solid var(--border)}
.trust-item:first-child{border-left:0}
.trust-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.trust-item strong{display:block;font-size:15px;font-weight:700;margin-bottom:5px;color:var(--text)}
.trust-item span{font-size:13px;line-height:1.6;color:var(--text-2)}

/* ===== CTA Banner ===== */
.cta-banner{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:96px 0;text-align:center}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32}
.cta-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,24,32,.9),rgba(16,24,32,.94))}
.cta-glow{position:absolute;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(244,123,32,.18),transparent 65%);bottom:-200px;left:50%;transform:translateX(-50%);pointer-events:none}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;padding:0 24px}
.cta-inner h2{font-size:34px;font-weight:800;margin-bottom:14px;letter-spacing:.5px}
.cta-inner p{font-size:16px;line-height:1.8;color:rgba(255,255,255,.7);margin-bottom:34px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:22px;font-size:12.5px;color:rgba(255,255,255,.45)}

/* ===== News Section ===== */
.news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.news-featured{display:grid;grid-template-columns:.9fr 1.1fr;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s ease,transform .2s ease}
.news-featured:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.news-featured-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-soft)}
.news-featured-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-featured:hover .news-featured-cover img{transform:scale(1.03)}
.news-badge{position:absolute;top:12px;left:12px;background:var(--accent);color:#fff;font-size:12px;font-weight:600;padding:4px 13px;border-radius:var(--radius-pill)}
.news-featured-body{padding:26px;display:flex;flex-direction:column}
.news-featured-body h3{font-size:21px;font-weight:800;line-height:1.45;color:var(--text);margin-bottom:12px}
.news-featured-body p{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-featured-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:14px}
.news-row-cat{display:inline-flex;align-self:flex-start;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:var(--radius-pill);padding:3px 11px;margin-bottom:10px}
.news-date{font-family:var(--font-num);font-size:12.5px;color:var(--text-3)}
.news-more{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--primary)}
.news-more svg{transition:transform .18s ease}
.news-featured:hover .news-more svg,.news-row:hover .news-more svg{transform:translateX(4px)}
.news-list-col{display:flex;flex-direction:column;gap:14px}
.news-row{display:block;background:#fff;border:1px solid var(--border);border-left:3px solid var(--primary);border-radius:var(--radius-sm);padding:16px 18px;transition:box-shadow .2s ease,transform .2s ease}
.news-row:hover{box-shadow:var(--shadow-hover);transform:translateX(4px)}
.news-row-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px}
.news-row .news-row-cat{margin-bottom:0}
.news-row h3{font-size:15.5px;font-weight:700;line-height:1.5;color:var(--text);margin-bottom:7px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-row p{font-size:13px;color:var(--text-2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.news-row-more{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:var(--primary)}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);padding:70px 20px;text-align:center;color:var(--text-2)}
.empty-icon{display:inline-flex;width:52px;height:52px;border-radius:14px;background:var(--bg-soft);color:var(--text-3);align-items:center;justify-content:center;margin-bottom:14px}
.empty-state p{font-size:15px}

/* ===== FAQ ===== */
.faq-section{background:var(--bg-soft);border-top:1px solid var(--border)}
.faq-list{max-width:840px;margin:0 auto;border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border);background:#fff}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;font-size:16.5px;font-weight:700;color:var(--text);position:relative;transition:color .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{content:"+";flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--bg-soft);color:var(--text-2);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:400;transition:transform .25s ease,background .18s ease,color .18s ease}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-answer{padding:0 26px 24px;color:var(--text-2);font-size:14.5px;line-height:1.85}
.faq-answer p{margin-bottom:8px}
.faq-answer p:last-child{margin-bottom:0}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.62);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:70px 0 46px}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-logo .logo-mark{width:34px;height:34px}
.footer-brand p{font-size:13.5px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.5px}
.footer-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.62);padding:5px 0;transition:color .18s ease,padding-left .18s ease}
.footer-col a:hover{color:#fff;padding-left:6px}
.footer-contact p{font-size:13.5px;line-height:1.85;margin-bottom:16px}
.social-row{display:flex;gap:10px}
.social-link{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7)}
.social-link:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:22px 0;font-size:12.5px;color:rgba(255,255,255,.4)}
.footer-beian{color:rgba(255,255,255,.3)}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px;min-height:0;padding-top:56px;padding-bottom:56px}
  .hero-visual{order:-1;display:none}
  .hero h1{font-size:36px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;padding:28px 0}
  .stat-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.07);padding:18px 10px}
  .stat-item:nth-last-child(-n+2){border-bottom:0}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item{border-left:0;border-bottom:1px solid var(--border);padding:24px 16px}
  .trust-item:nth-last-child(-n+2){border-bottom:0}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:60px 0}
}
@media (max-width:768px){
  .header-main{padding:10px 16px;gap:12px}
  .logo-text{font-size:15.5px}
  .logo-mark{width:32px;height:32px}
  .header-search{display:none;position:absolute;top:100%;left:0;right:0;margin:0;background:#fff;padding:12px 16px;border:0;border-bottom:1px solid var(--border);border-radius:0;box-shadow:0 12px 30px rgba(16,24,32,.08)}
  .header-search.active{display:flex}
  .header-search input{width:100%}
  .search-toggle{display:inline-flex}
  .menu-toggle{display:flex}
  .btn-header{font-size:13px;padding:8px 16px}
  .channel-inner{padding:8px 16px}
  .channel-link{padding:7px 14px;font-size:13.5px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .section-head h2{font-size:24px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .testimonial-card{flex-basis:calc(100vw - 80px)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-num{font-size:28px}
  .trust-grid{grid-template-columns:1fr}
  .trust-item:nth-last-child(-n+2){border-bottom:1px solid var(--border)}
  .trust-item:last-child{border-bottom:0}
  .cta-banner{padding:70px 0}
  .cta-inner h2{font-size:26px}
  .news-featured{grid-template-columns:1fr}
  .news-featured-cover{aspect-ratio:16/9}
  .news-featured-body{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:50px 0 34px}
  .footer-bottom-inner{flex-direction:column;text-align:center;justify-content:center}
  .faq-item summary{padding:18px 18px;font-size:15px}
  .faq-answer{padding:0 18px 20px;font-size:13.5px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:46px 0}
  .hero h1{font-size:28px;line-height:1.32}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-trust{gap:12px}
  .hero-trust span{font-size:12.5px}
  .hero-rating{flex-wrap:wrap;gap:8px}
  .stats-grid{gap:8px}
  .stat-item{padding:16px 6px}
  .stat-num{font-size:24px}
  .stat-label{font-size:12px}
  .device-mock{width:260px}
  .score-num{font-size:26px}
  .team-avatar{width:28px;height:28px}
  .section-head h2{font-size:21px}
  .card-body{padding:15px 15px 13px}
  .news-featured-body h3{font-size:18px}
  .btn-lg{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{gap:26px}
}

/* roulang page: article */
:root{
  --primary:#0E7A4C;
  --primary-dark:#0B5F3B;
  --primary-light:#E9F5EF;
  --accent:#F47B20;
  --accent-dark:#D96914;
  --accent-light:#FEF2E8;
  --bg:#FFFFFF;
  --bg-soft:#F6F7F8;
  --dark:#101820;
  --dark-soft:#18242D;
  --text-1:#101820;
  --text-2:#33404A;
  --text-3:#5A6570;
  --text-4:#9AA4AE;
  --border:#E3E7EB;
  --success:#28BE7C;
  --danger:#D14343;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:14px;
  --shadow-sm:0 1px 2px rgba(16,24,32,.06);
  --shadow-md:0 4px 12px rgba(16,24,32,.06);
  --shadow-lg:0 8px 24px rgba(16,24,32,.08);
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Roboto Mono",Consolas,monospace;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-sans);color:var(--text-2);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:all .18s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea,select{font-family:inherit;font-size:14px;}
ul,ol{list-style:none;}
h1,h2,h3,h4,h5,h6{color:var(--text-1);font-weight:700;line-height:1.3;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.top-banner{background:var(--dark);color:rgba(255,255,255,.8);text-align:center;padding:9px 16px;font-size:13px;}
.top-banner span{display:inline-block;vertical-align:middle;}
.top-banner strong{color:#fff;font-weight:600;}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--border);}
.header-top{border-bottom:1px solid var(--border);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.site-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.logo-text{font-size:18px;font-weight:800;color:var(--text-1);letter-spacing:-.3px;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--primary);}
.header-search{flex:1;max-width:440px;display:flex;align-items:center;background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:0 14px;height:42px;transition:all .18s ease;}
.header-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(14,122,76,.12);}
.header-search svg{color:var(--text-3);flex-shrink:0;}
.header-search input{flex:1;border:none;outline:none;background:transparent;padding:0 10px;font-size:14px;color:var(--text-1);}
.header-search input::placeholder{color:var(--text-4);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:14px;border-radius:10px;padding:10px 20px;transition:all .18s ease;white-space:nowrap;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(244,123,32,.25);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(14,122,76,.25);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent;padding:9px 18px;}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn-ghost{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:transparent;}
.btn-ghost:hover{background:#fff;color:var(--dark);border-color:#fff;}
.channel-nav{border-bottom:1px solid var(--border);background:#fff;}
.channel-inner{display:flex;gap:6px;overflow-x:auto;padding:10px 24px;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap;transition:all .18s ease;flex-shrink:0;}
.channel-link:hover{background:var(--primary-light);color:var(--primary);}
.channel-link.active{background:var(--primary);color:#fff;}
.breadcrumb-section{background:var(--bg-soft);border-bottom:1px solid var(--border);padding:14px 0;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb-sep{color:var(--text-4);font-size:12px;}
.breadcrumb-current{color:var(--text-1);font-weight:600;max-width:300px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.article-main{padding:52px 0 80px;background:#fff;}
.article-layout{max-width:840px;margin:0 auto;}
.article-header{margin-bottom:28px;}
.article-header h1{font-size:38px;line-height:1.25;margin-bottom:18px;letter-spacing:-.5px;color:var(--text-1);}
.article-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.badge{display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;background:var(--primary-light);color:var(--primary);}
.meta-divider{width:4px;height:4px;border-radius:50%;background:var(--text-4);flex-shrink:0;}
.article-meta time{font-family:var(--font-num);}
.reading-time{font-size:13px;color:var(--text-3);}
.article-cover{border-radius:14px;overflow:hidden;margin-bottom:36px;box-shadow:var(--shadow-sm);border:1px solid var(--border);}
.article-cover img{width:100%;height:auto;aspect-ratio:16/7;object-fit:cover;}
.article-content{font-size:16.5px;line-height:1.85;color:var(--text-2);}
.article-content>*+*{margin-top:1.5em;}
.article-content h2{font-size:24px;font-weight:700;color:var(--text-1);padding-left:14px;border-left:4px solid var(--primary);margin-top:2.2em;line-height:1.4;}
.article-content h3{font-size:20px;font-weight:600;color:var(--text-1);margin-top:1.8em;line-height:1.4;}
.article-content h4{font-size:17px;font-weight:600;color:var(--text-1);margin-top:1.5em;}
.article-content p{margin:0;}
.article-content strong{color:var(--text-1);font-weight:600;}
.article-content a{color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-content a:hover{color:var(--primary-dark);text-decoration-thickness:2px;}
.article-content ul,.article-content ol{padding-left:1.5em;}
.article-content ul li{list-style:disc;margin-bottom:.6em;}
.article-content ol li{list-style:decimal;margin-bottom:.6em;}
.article-content blockquote{border-left:4px solid var(--accent);background:var(--bg-soft);padding:18px 22px;border-radius:0 12px 12px 0;color:var(--text-2);}
.article-content img{border-radius:12px;border:1px solid var(--border);margin:28px 0;}
.article-content figure{border-radius:12px;overflow:hidden;}
.article-content figure img{border-radius:12px;margin:0;}
.article-content figcaption{font-size:12px;color:var(--text-4);text-align:center;padding:8px 0 4px;}
.article-content table{width:100%;border-collapse:collapse;overflow-x:auto;display:block;font-size:14px;border-radius:10px;border:1px solid var(--border);}
.article-content table th,.article-content table td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.article-content table th{background:var(--bg-soft);font-weight:700;color:var(--text-1);}
.article-content table tr:nth-child(even){background:#fafbfc;}
.article-content code{background:var(--bg-soft);border:1px solid var(--border);padding:2px 7px;border-radius:6px;font-size:13px;font-family:var(--font-num);color:var(--primary-dark);}
.article-content pre{background:var(--dark);color:#d8e2dc;border-radius:12px;padding:20px;overflow-x:auto;font-size:14px;line-height:1.7;}
.article-content pre code{background:transparent;border:none;color:inherit;padding:0;font-size:14px;border-radius:0;}
.not-found-box{text-align:center;padding:72px 28px;background:var(--bg-soft);border-radius:14px;border:1px dashed var(--border);}
.not-found-icon{width:72px;height:72px;border-radius:50%;background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--text-4);margin-bottom:18px;box-shadow:var(--shadow-sm);}
.not-found-box h2{font-size:24px;margin-bottom:10px;color:var(--text-1);}
.not-found-box p{color:var(--text-3);margin-bottom:24px;font-size:15px;}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:28px;border-top:1px solid var(--border);}
.tag{display:inline-flex;padding:6px 16px;border-radius:999px;font-size:13px;color:var(--text-2);background:var(--bg-soft);border:1px solid var(--border);transition:all .18s ease;}
.tag:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary-light);}
.related-section{max-width:840px;margin:64px auto 0;}
.related-section .section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.related-section .section-head h2{font-size:24px;}
.related-section .section-more{font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:4px;}
.related-section .section-more:hover{color:var(--primary);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.related-card{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff;transition:all .18s ease;display:block;}
.related-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:rgba(16,24,32,.08);}
.related-card .card-img{overflow:hidden;position:relative;}
.related-card .card-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
.related-card:hover .card-img img{transform:scale(1.04);}
.related-card-body{padding:16px 18px 18px;}
.related-card h3{font-size:16px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text-1);}
.related-card p{font-size:13px;color:var(--text-3);margin-top:8px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-link{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--primary);margin-top:12px;}
.related-link svg{transition:transform .18s ease;}
.related-card:hover .related-link svg{transform:translateX(4px);}
.article-back{display:flex;justify-content:space-between;align-items:center;max-width:840px;margin:48px auto 0;padding-top:32px;border-top:1px solid var(--border);}
.btn-back{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--text-2);font-size:14px;padding:10px 18px;border-radius:10px;border:1.5px solid var(--border);transition:all .18s ease;}
.btn-back:hover{color:var(--primary);border-color:var(--primary);}
.btn-back svg{transition:transform .18s ease;}
.btn-back:hover svg{transform:translateX(-4px);}
.btn-back.next:hover svg{transform:translateX(4px);}
.site-footer{background:var(--dark);color:rgba(255,255,255,.75);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo .logo-mark{width:32px;height:32px;border-radius:8px;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;}
.footer-logo .logo-text{font-size:15px;font-weight:800;color:#fff;}
.footer-logo .logo-text em{font-style:normal;color:var(--success);}
.footer-brand p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.55);margin-top:12px;max-width:280px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col a{display:block;padding:4px 0;font-size:13px;color:rgba(255,255,255,.65);transition:all .18s ease;}
.footer-col a:hover{color:#fff;transform:translateX(4px);}
.footer-contact p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.55);}
.social-row{display:flex;gap:10px;margin-top:16px;}
.social-link{width:36px;height:36px;border-radius:9px;border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.65);transition:all .18s ease;}
.social-link:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-2px);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.45);}
.footer-beian{font-size:12px;}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .related-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .header-inner{gap:12px;height:64px;}
  .header-search{display:none;}
  .header-actions .btn{padding:8px 12px;font-size:13px;}
  .download-label{display:none;}
  .logo-text{font-size:15px;}
  .logo-mark{width:32px;height:32px;border-radius:8px;}
  .channel-inner{padding:8px 16px;}
  .article-main{padding:32px 0 56px;}
  .article-layout{max-width:100%;}
  .article-header h1{font-size:28px;margin-bottom:14px;}
  .article-cover img{aspect-ratio:16/9;}
  .article-content{font-size:15.5px;line-height:1.8;}
  .article-content h2{font-size:21px;margin-top:1.8em;}
  .article-content h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .related-section{margin-top:48px;}
  .article-back{flex-direction:column;gap:14px;align-items:stretch;max-width:100%;}
  .btn-back{justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom-inner{flex-direction:column;text-align:center;gap:4px;}
}
@media (max-width:520px){
  .breadcrumb-section{padding:10px 0;}
  .breadcrumb{font-size:12px;gap:5px;}
  .breadcrumb-current{max-width:160px;}
  .article-header h1{font-size:24px;}
  .article-content{font-size:15px;}
  .article-content table{font-size:13px;}
  .top-banner{font-size:12px;padding:7px 12px;}
  .footer-grid{grid-template-columns:1fr;}
  .article-tags{gap:8px;}
}

/* roulang page: category1 */
:root {
  --primary: #0E7A4C;
  --primary-dark: #0B5F3B;
  --primary-light: #E9F5EF;
  --accent: #F47B20;
  --accent-dark: #D96914;
  --accent-light: #FEF2E8;
  --bg: #FFFFFF;
  --bg-gray: #F6F7F8;
  --bg-dark: #101820;
  --bg-dark-soft: #18242D;
  --text: #101820;
  --text-secondary: #5A6570;
  --text-muted: #9AA4AE;
  --border: #E3E7EB;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 18px;
  --shadow: 0 1px 2px rgba(16,24,32,.06);
  --shadow-hover: 0 8px 24px rgba(16,24,32,.10);
  --shadow-btn: 0 4px 14px rgba(244,123,32,.28);
  --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Roboto Mono", Consolas, monospace;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  background: none;
}
input, select, textarea {
  font-family: inherit;
  font-size: 14px;
}
ul, ol {
  list-style: none;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}
/* 顶部公告条 */
.topbar {
  background: var(--bg-dark);
  color: rgba(255,255,255,.88);
  font-size: 13px;
  text-align: center;
  padding: 8px 16px;
  letter-spacing: .02em;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.topbar .topbar-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}
/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(1.2);
  border-bottom: 1px solid var(--border);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(14,122,76,.24);
}
.logo-text {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
  line-height: 1.2;
  white-space: nowrap;
}
.logo-text em {
  font-style: normal;
  color: var(--primary);
}
.header-search {
  flex: 1;
  max-width: 420px;
  display: flex;
  align-items: center;
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 999px;
  height: 42px;
  padding: 0 6px 0 16px;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,122,76,.12);
  background: #fff;
}
.header-search input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  min-width: 0;
}
.header-search input::placeholder {
  color: var(--text-muted);
}
.search-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background .18s ease, transform .18s ease;
}
.search-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.04);
}
.btn-header {
  flex-shrink: 0;
}
/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn svg {
  flex-shrink: 0;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(14,122,76,.25);
}
.btn-primary:active {
  transform: translateY(1px);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(244,123,32,.34);
}
.btn-accent:active {
  transform: translateY(1px);
  box-shadow: none;
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.7);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.14);
  border-color: #fff;
  transform: translateY(-1px);
}
.btn-outline {
  background: #fff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}
.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}
.btn-block {
  width: 100%;
}
/* 频道导航 */
.channel-nav {
  border-top: 1px solid var(--border);
  background: #fff;
}
.channel-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding-top: 10px;
  padding-bottom: 10px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.channel-inner::-webkit-scrollbar {
  display: none;
}
.channel-link {
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-gray);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 999px;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.channel-link:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-1px);
}
.channel-link.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
  box-shadow: 0 3px 10px rgba(14,122,76,.22);
}
/* 汉堡按钮 */
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
/* 移动端抽屉 */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: #fff;
  z-index: 200;
  box-shadow: -10px 0 40px rgba(16,24,32,.15);
  padding: 24px;
  transform: translateX(100%);
  transition: transform .28s ease;
}
.mobile-drawer.open {
  transform: translateX(0);
}
.drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(16,24,32,.45);
  z-index: 190;
}
.drawer-backdrop.show {
  display: block;
}
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.drawer-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-gray);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
}
.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.drawer-links a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-gray);
  transition: background .18s ease, color .18s ease;
}
.drawer-links a:hover,
.drawer-links a.active {
  background: var(--primary);
  color: #fff;
}
/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  padding: 18px 0 0;
}
.breadcrumb a {
  color: var(--text-secondary);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  color: var(--border);
}
.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* 分类 Hero */
.page-hero {
  position: relative;
  color: #fff;
  padding: 64px 0 72px;
  border-radius: 0;
  background: var(--bg-dark);
  overflow: hidden;
}
.page-hero .hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16,24,32,.82) 0%, rgba(16,24,32,.72) 45%, rgba(16,24,32,.4) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  z-index: 1;
}
.page-hero .hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 76% 30%, rgba(14,122,76,.35), transparent 55%);
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.hero-inner {
  max-width: 820px;
}
.hero-inner .breadcrumb {
  color: rgba(255,255,255,.6);
  padding-top: 0;
  margin-bottom: 22px;
}
.hero-inner .breadcrumb a {
  color: rgba(255,255,255,.75);
}
.hero-inner .breadcrumb a:hover {
  color: #fff;
}
.hero-inner .breadcrumb .sep {
  color: rgba(255,255,255,.35);
}
.hero-inner .breadcrumb .current {
  color: rgba(255,255,255,.92);
}
.page-hero h1 {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.01em;
  margin-bottom: 16px;
}
.page-hero h1 .accent-text {
  color: var(--accent);
}
.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,.74);
  line-height: 1.75;
  max-width: 680px;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-trust .trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,.75);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  padding: 6px 14px;
  border-radius: 999px;
}
.hero-trust .trust-item svg {
  color: var(--accent);
}
/* 数据条 */
.stats-bar {
  background: var(--bg-dark-soft);
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: #fff;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.08);
}
.stat-item:last-child {
  border-right: none;
}
.stat-num {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  color: #28BE7C;
  line-height: 1.2;
}
.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  margin-top: 6px;
}
/* 通用区块 */
.section {
  padding: 72px 0;
}
.section-gray {
  background: var(--bg-gray);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
}
.section-title-wrap {
  max-width: 720px;
}
.section-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--text);
  position: relative;
  padding-left: 18px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 5px;
  border-radius: 3px;
  background: var(--accent);
}
.section-sub {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 10px;
  padding-left: 18px;
}
.section-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding-bottom: 4px;
  border-bottom: 1.5px solid transparent;
}
.section-link:hover {
  border-bottom-color: var(--primary);
}
.section-link svg {
  transition: transform .18s ease;
}
.section-link:hover svg {
  transform: translateX(3px);
}
/* 卖点卡片 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  opacity: 0;
  transition: opacity .18s ease;
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: rgba(14,122,76,.25);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
/* 步骤 */
.steps-section {
  background: var(--bg-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.steps-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(14,122,76,.2) 0%, transparent 45%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: .22;
}
.steps-section .container {
  position: relative;
  z-index: 2;
}
.steps-section .section-title,
.steps-section .section-sub {
  color: #fff;
}
.steps-section .section-title::before {
  background: var(--accent);
}
.steps-section .section-sub {
  color: rgba(255,255,255,.65);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 30px 22px;
  transition: background .18s ease, transform .18s ease;
  position: relative;
}
.step-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-3px);
}
.step-num {
  font-family: var(--font-num);
  font-size: 40px;
  font-weight: 800;
  color: rgba(255,255,255,.22);
  line-height: 1;
  position: absolute;
  top: 18px;
  right: 20px;
}
.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  padding-top: 12px;
  position: relative;
}
.step-card h3::before {
  content: '';
  display: block;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
  margin-bottom: 12px;
  position: static;
}
.step-card p {
  font-size: 14px;
  color: rgba(255,255,255,.66);
  line-height: 1.75;
}
/* 设备支持 */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.device-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow);
  transition: box-shadow .18s ease, transform .18s ease;
}
.device-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.device-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.device-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.device-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}
.device-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 999px;
  margin-top: 14px;
}
/* 热门内容 */
.hot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.hot-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: box-shadow .18s ease, transform .18s ease;
}
.hot-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.hot-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.hot-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.hot-card:hover .hot-cover img {
  transform: scale(1.04);
}
.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.card-badge.green {
  background: var(--primary);
}
.hot-body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.hot-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hot-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hot-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}
.hot-meta .meta-link {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.hot-meta .meta-link svg {
  transition: transform .18s ease;
}
.hot-meta .meta-link:hover svg {
  transform: translateX(3px);
}
/* CTA */
.cta-section {
  padding: 72px 0;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(100deg, rgba(16,24,32,.88) 0%, rgba(16,24,32,.78) 60%, rgba(14,122,76,.35) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color: #fff;
}
.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.cta-inner h2 {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,.7);
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color .18s ease;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: transform .25s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer-inner {
  padding: 0 4px 22px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 720px;
}
/* 页脚 */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.72);
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 44px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .logo-mark {
  background: var(--accent);
  box-shadow: none;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 18px;
}
.footer-brand .logo-text em {
  color: #28BE7C;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,.6);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: .02em;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  padding: 5px 0;
  transition: color .18s ease, padding-left .18s ease;
}
.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.75;
  margin-bottom: 18px;
}
.social-row {
  display: flex;
  gap: 10px;
}
.social-link {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.social-link:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-beian {
  color: rgba(255,255,255,.36);
}
/* 响应式 */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .devices-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .page-hero h1 {
    font-size: 34px;
  }
  .header-search {
    max-width: 280px;
  }
}
@media (max-width: 768px) {
  .header-search {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .header-top {
    height: 64px;
  }
  .btn-header .btn-text-full {
    display: none;
  }
  .btn-header .btn-text-short {
    display: inline;
  }
  .btn-header {
    padding: 0 16px;
    height: 40px;
    font-size: 14px;
  }
  .logo-text {
    font-size: 16px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item {
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .stat-item:nth-child(3) {
    border-bottom: none;
  }
  .stat-item:nth-child(4) {
    border-bottom: none;
  }
  .section {
    padding: 52px 0;
  }
  .section-title {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .page-hero {
    padding: 44px 0 52px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .hero-sub {
    font-size: 15px;
  }
}
@media (max-width: 560px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .devices-grid {
    grid-template-columns: 1fr;
  }
  .hot-grid {
    grid-template-columns: 1fr;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 28px;
  }
  .hero-actions,
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stat-num {
    font-size: 24px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .breadcrumb {
    font-size: 12px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category2 */
:root {
  --primary: #0E7A4C;
  --primary-dark: #0B5F3B;
  --primary-light: #28BE7C;
  --primary-bg: #E9F5EF;
  --accent: #F47B20;
  --accent-dark: #D96914;
  --accent-bg: #FEF2E8;
  --ink: #101820;
  --ink-2: #18242D;
  --text: #5A6570;
  --text-3: #9AA4AE;
  --line: #E3E7EB;
  --line-dark: rgba(255,255,255,0.12);
  --bg: #FFFFFF;
  --bg-gray: #F6F7F8;
  --bg-dark: #101820;
  --success: #0E7A4C;
  --warn: #F47B20;
  --error: #D14343;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(16,24,32,.06);
  --shadow-md: 0 8px 24px rgba(16,24,32,.08);
  --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "DIN Alternate", "Roboto Mono", Consolas, monospace;
  --transition: all .18s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); font-size: 16px; line-height: 1.8; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; border: none; outline: none; background: none; }
svg { display: block; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部公告条 ===== */
.top-banner { background: var(--bg-dark); color: rgba(255,255,255,.82); font-size: 13px; text-align: center; padding: 8px 16px; letter-spacing: .4px; font-family: var(--font-mono); border-bottom: 1px solid var(--line-dark); }
.top-banner span { color: var(--primary-light); margin: 0 4px; }

/* ===== Header 双层导航 ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: saturate(1.2); border-bottom: 1px solid var(--line); }
.header-top { border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 24px; max-width: 1200px; margin: 0 auto; }
.site-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { width: 36px; height: 36px; background: var(--ink); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--primary-light); }
.logo-text { font-weight: 800; font-size: 18px; color: var(--ink); letter-spacing: .2px; white-space: nowrap; }
.logo-text em { font-style: normal; color: var(--primary); }
.header-search { flex: 0 1 420px; position: relative; display: block; }
.header-search input { width: 100%; height: 42px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); padding: 0 42px 0 16px; font-size: 14px; background: var(--bg-gray); transition: var(--transition); }
.header-search input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(14,122,76,.12); }
.header-search svg { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--text); }
.header-cta { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: #fff; font-weight: 700; font-size: 14px; padding: 10px 22px; border-radius: var(--radius-sm); transition: var(--transition); white-space: nowrap; }
.header-cta:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.mobile-toggle { display: none; width: 42px; height: 42px; border-radius: var(--radius-sm); align-items: center; justify-content: center; color: var(--ink); }
.mobile-toggle svg { width: 22px; height: 22px; }

.channel-nav { background: #fff; border-bottom: 1px solid var(--line); }
.channel-inner { display: flex; align-items: center; gap: 8px; overflow-x: auto; padding: 0 24px; max-width: 1200px; margin: 0 auto; scrollbar-width: none; min-height: 52px; }
.channel-inner::-webkit-scrollbar { display: none; }
.channel-link { display: inline-flex; align-items: center; padding: 8px 18px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; transition: var(--transition); }
.channel-link:hover { color: var(--primary); background: var(--primary-bg); }
.channel-link.active { background: var(--ink); color: #fff; }

/* ===== 移动端抽屉 ===== */
.mobile-drawer { position: fixed; top: 0; right: -320px; width: 300px; height: 100vh; background: #fff; z-index: 200; box-shadow: -12px 0 40px rgba(16,24,32,.18); padding: 24px; transition: right .28s ease; overflow-y: auto; }
.mobile-drawer.open { right: 0; }
.drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.drawer-title { font-size: 16px; font-weight: 800; color: var(--ink); }
.drawer-close { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 8px; color: var(--text); }
.drawer-close:hover { background: var(--bg-gray); }
.drawer-nav { display: flex; flex-direction: column; gap: 6px; }
.drawer-nav a { padding: 12px 14px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; color: var(--ink); }
.drawer-nav a:hover { background: var(--primary-bg); color: var(--primary); }
.drawer-nav a.active { background: var(--ink); color: #fff; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(16,24,32,.5); z-index: 199; opacity: 0; visibility: hidden; transition: var(--transition); }
.drawer-overlay.show { opacity: 1; visibility: visible; }

/* ===== 面包屑 ===== */
.breadcrumb { padding: 16px 0 0; font-size: 13px; color: var(--text-3); }
.breadcrumb a { color: var(--text); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; color: var(--text-3); }
.breadcrumb .current { color: var(--text); font-weight: 600; }

/* ===== 分类页头 H1 ===== */
.category-header { padding: 32px 0 12px; }
.category-header .container { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; }
.category-title-wrap { flex: 1; min-width: 280px; }
.category-title { font-size: 36px; line-height: 1.25; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.category-title span { color: var(--primary); }
.category-subtitle { font-size: 15px; color: var(--text); max-width: 560px; line-height: 1.7; }

/* ===== 板块通用 ===== */
.section { padding: 56px 0; }
.section-tight { padding: 36px 0; }
.section-gray { background: var(--bg-gray); }
.section-dark { background: var(--bg-dark); color: #fff; }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 36px; }
.section-head h2 { font-size: 30px; font-weight: 700; color: var(--ink); line-height: 1.3; }
.section-head .section-desc { color: var(--text); font-size: 14px; margin-top: 6px; }
.section-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.section-link svg { width: 15px; height: 15px; transition: transform .18s ease; }
.section-link:hover svg { transform: translateX(4px); }

/* ===== 重点大卡 ===== */
.feature-board { background: var(--ink); border-radius: 20px; overflow: hidden; position: relative; }
.feature-board::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 30%, rgba(40,190,124,.18), transparent 55%), radial-gradient(circle at 10% 90%, rgba(244,123,32,.12), transparent 45%); pointer-events: none; }
.feature-board .container { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding: 48px 44px; }
.feature-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.1); border: 1px solid var(--line-dark); border-radius: 999px; padding: 5px 14px; font-size: 12px; font-family: var(--font-mono); color: var(--primary-light); margin-bottom: 16px; letter-spacing: .3px; }
.feature-badge .dot { width: 6px; height: 6px; background: var(--primary-light); border-radius: 50%; }
.feature-board h2 { font-size: 30px; font-weight: 800; color: #fff; line-height: 1.3; margin-bottom: 12px; }
.feature-board .feature-desc { color: rgba(255,255,255,.72); font-size: 15px; line-height: 1.75; max-width: 460px; margin-bottom: 20px; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.feature-tags .tag { background: rgba(255,255,255,.08); border: 1px solid var(--line-dark); color: rgba(255,255,255,.85); border-radius: 999px; padding: 5px 13px; font-size: 13px; }
.feature-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-sm); font-weight: 700; font-size: 14px; transition: var(--transition); cursor: pointer; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.6); }
.btn-secondary:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary-bg); }
.btn-sm { padding: 8px 16px; font-size: 13px; }

.feature-visual { background: linear-gradient(145deg, #18242D, #101820); border-radius: 16px; padding: 20px; border: 1px solid var(--line-dark); box-shadow: 0 20px 50px rgba(0,0,0,.35); }
.feature-visual img { border-radius: 12px; width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.feature-mock { margin-top: 14px; display: flex; gap: 12px; }
.feature-mock .mock-bar { flex: 1; height: 8px; background: rgba(255,255,255,.1); border-radius: 4px; position: relative; overflow: hidden; }
.feature-mock .mock-bar::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--primary), var(--primary-light)); border-radius: 4px; }

/* ===== 三列功能卡 ===== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.feature-card .cover { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.feature-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.feature-card:hover .cover img { transform: scale(1.04); }
.feature-card .cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(16,24,32,.22), transparent 55%); }
.feature-card .card-body { padding: 20px 20px 22px; }
.feature-card .card-tag { display: inline-flex; background: var(--accent-bg); color: var(--accent-dark); font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; margin-bottom: 10px; }
.feature-card h3 { font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 8px; line-height: 1.4; }
.feature-card p { font-size: 14px; color: var(--text); line-height: 1.65; }
.feature-card .card-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 13px; color: var(--text-3); }
.feature-card .card-meta .more { color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.feature-card .card-meta .more svg { width: 13px; height: 13px; }

/* ===== 版本历史双栏 ===== */
.update-info { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.update-list { display: flex; flex-direction: column; }
.update-item { display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); transition: var(--transition); }
.update-item:hover { background: var(--bg-gray); padding-left: 12px; border-radius: var(--radius-sm); }
.update-item:last-child { border-bottom: none; }
.update-version { font-family: var(--font-mono); font-size: 16px; font-weight: 700; color: var(--primary); min-width: 88px; }
.update-date { font-family: var(--font-mono); font-size: 13px; color: var(--text-3); display: block; margin-top: 2px; }
.update-item h4 { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.update-item p { font-size: 13px; color: var(--text); line-height: 1.6; }
.update-highlights { background: var(--primary-bg); border-radius: var(--radius); padding: 28px; border: 1px solid rgba(14,122,76,.15); }
.update-highlights h3 { font-size: 20px; font-weight: 700; color: var(--primary-dark); margin-bottom: 16px; }
.update-highlights ul { display: flex; flex-direction: column; gap: 12px; }
.update-highlights li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text); line-height: 1.65; }
.update-highlights li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--primary); margin-top: 8px; flex-shrink: 0; }
.update-highlights .count { font-family: var(--font-mono); font-size: 28px; font-weight: 800; color: var(--primary); margin-top: 20px; display: block; }
.update-highlights .count small { font-size: 13px; color: var(--text); font-weight: 400; display: block; margin-top: 4px; }

/* ===== 热门推荐横向卡片 ===== */
.topic-scroll { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.topic-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 0; overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
.topic-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.topic-card .topic-cover { aspect-ratio: 16/9; overflow: hidden; position: relative; }
.topic-card .topic-cover img { width: 100%; height: 100%; object-fit: cover; }
.topic-card .topic-body { padding: 18px 18px 20px; }
.topic-card h4 { font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 6px; line-height: 1.4; }
.topic-card p { font-size: 13px; color: var(--text); line-height: 1.6; }
.topic-card .topic-link { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 600; color: var(--primary); margin-top: 10px; }
.topic-card .topic-link svg { width: 13px; height: 13px; transition: transform .18s ease; }
.topic-card:hover .topic-link svg { transform: translateX(4px); }

/* ===== FAQ 手风琴 ===== */
.faq-wrap { max-width: 860px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; background: #fff; }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; padding: 20px 22px; font-size: 16px; font-weight: 600; color: var(--ink); list-style: none; transition: var(--transition); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--bg-gray); }
.faq-item summary .faq-icon { width: 28px; height: 28px; border-radius: 8px; background: var(--primary-bg); color: var(--primary); flex-shrink: 0; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.faq-item summary .faq-icon svg { width: 14px; height: 14px; transition: transform .25s ease; }
.faq-item[open] summary { border-bottom: 1px solid var(--line); }
.faq-item[open] summary .faq-icon { background: var(--primary); color: #fff; }
.faq-item[open] summary .faq-icon svg { transform: rotate(45deg); }
.faq-item .faq-answer { padding: 18px 22px; font-size: 14px; color: var(--text); line-height: 1.8; }

/* ===== CTA 横幅 ===== */
.cta-banner { position: relative; background: var(--bg-dark); border-radius: 20px; overflow: hidden; padding: 64px 48px; text-align: center; }
.cta-banner::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat; opacity: .22; }
.cta-banner::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 30%, rgba(40,190,124,.15), transparent 40%); }
.cta-banner .container { position: relative; }
.cta-banner h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.cta-banner p { color: rgba(255,255,255,.72); font-size: 15px; margin-bottom: 28px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-banner .btn-group { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-banner .btn-primary { background: var(--accent); }
.cta-banner .btn-primary:hover { background: var(--accent-dark); }

/* ===== 返回分类入口 ===== */
.back-entry { background: var(--bg-gray); border-radius: var(--radius); padding: 36px 32px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.back-entry .entry-info h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.back-entry .entry-info p { font-size: 14px; color: var(--text); }
.back-entry .entry-links { display: flex; gap: 12px; flex-wrap: wrap; }
.back-entry .entry-links a { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; color: var(--ink); transition: var(--transition); }
.back-entry .entry-links a:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.72); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding: 0 24px; max-width: 1200px; margin: 0 auto; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .logo-mark { background: rgba(255,255,255,.08); color: var(--primary-light); }
.footer-brand .logo-text { color: #fff; font-weight: 800; }
.footer-brand .logo-text em { color: var(--primary-light); font-style: normal; }
.footer-brand p { font-size: 13px; line-height: 1.7; color: rgba(255,255,255,.6); }
.footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: .3px; }
.footer-col a { display: block; font-size: 13px; color: rgba(255,255,255,.6); padding: 5px 0; transition: var(--transition); }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-contact p { font-size: 13px; line-height: 1.7; color: rgba(255,255,255,.6); margin-bottom: 16px; }
.social-row { display: flex; gap: 10px; }
.social-link { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,.06); border: 1px solid var(--line-dark); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.68); transition: var(--transition); }
.social-link:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-2px); }
.footer-bottom { border-top: 1px solid var(--line-dark); margin-top: 48px; padding: 22px 0; }
.footer-bottom-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: 12px; color: rgba(255,255,255,.42); }
.footer-bottom-inner .footer-beian { color: rgba(255,255,255,.3); }

/* ===== Section 深色 ===== */
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-desc { color: rgba(255,255,255,.62); }
.section-dark .section-link { color: var(--primary-light); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .feature-board .container { grid-template-columns: 1fr; padding: 36px 28px; gap: 28px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .topic-scroll { grid-template-columns: repeat(2, 1fr); }
  .update-info { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .header-search { flex: 0 1 280px; }
}
@media (max-width: 768px) {
  .header-row { flex-wrap: wrap; padding: 12px 16px; gap: 12px; }
  .header-search { order: 3; flex-basis: 100%; }
  .header-cta { padding: 9px 16px; font-size: 13px; }
  .mobile-toggle { display: inline-flex; }
  .channel-nav { display: none; }
  .category-title { font-size: 28px; }
  .category-header { padding: 24px 0 8px; }
  .section { padding: 40px 0; }
  .section-head h2 { font-size: 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .topic-scroll { grid-template-columns: 1fr; }
  .cta-banner { padding: 44px 24px; }
  .cta-banner h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; padding: 0 16px; }
  .back-entry { flex-direction: column; align-items: flex-start; padding: 28px 22px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 16px; }
  .logo-mark { width: 32px; height: 32px; }
  .feature-board .container { padding: 28px 20px; }
  .feature-board h2 { font-size: 22px; }
  .feature-card h3 { font-size: 17px; }
  .update-item { flex-direction: column; gap: 8px; }
  .update-version { min-width: auto; }
  .entry-links { flex-direction: column; width: 100%; }
  .entry-links a { justify-content: center; }
  .faq-item summary { padding: 16px 16px; font-size: 15px; }
}

/* roulang page: category3 */
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #3D4750;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: #0E7A4C; text-decoration: none; transition: color .18s ease; }
a:hover { color: #0B5F3B; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
ul, ol { list-style: none; }
:focus-visible {
  outline: 2px solid #F47B20;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== Design Tokens ===== */
:root {
  --c-primary: #0E7A4C;
  --c-primary-dark: #0B5F3B;
  --c-primary-light: #E9F5EF;
  --c-accent: #F47B20;
  --c-accent-dark: #D96914;
  --c-accent-light: #FEF2E8;
  --c-ink: #101820;
  --c-ink-soft: #18242D;
  --c-text: #3D4750;
  --c-text-2: #5A6570;
  --c-text-3: #9AA4AE;
  --c-border: #E3E7EB;
  --c-bg-gray: #F6F7F8;
  --c-bright-green: #28BE7C;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --shadow-xs: 0 1px 2px rgba(16,24,32,.06);
  --shadow-md: 0 8px 24px rgba(16,24,32,.08);
  --tr: all .18s ease;
  --container: 1200px;
}

/* ===== Container ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (max-width: 640px) {
  .container { padding-left: 16px; padding-right: 16px; }
}

/* ===== Top Ticker ===== */
.top-ticker {
  background: #101820;
  color: rgba(255,255,255,.82);
  font-size: 13px;
  letter-spacing: .01em;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.top-ticker .container {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  white-space: nowrap;
  overflow: hidden;
}
.ticker-icon {
  flex: 0 0 auto;
  color: #28BE7C;
  display: inline-flex;
}
.ticker-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  -webkit-backdrop-filter: saturate(1.2);
  backdrop-filter: saturate(1.2);
  border-bottom: 1px solid var(--c-border);
}
.header-top {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0E7A4C, #0B5F3B);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(14,122,76,.25);
}
.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--c-ink);
  line-height: 1.2;
  white-space: nowrap;
}
.logo-text em {
  font-style: normal;
  color: var(--c-primary);
}
.header-search {
  flex: 1;
  display: flex;
  align-items: center;
  max-width: 460px;
  margin-left: auto;
  background: var(--c-bg-gray);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  height: 40px;
  transition: var(--tr);
}
.header-search:focus-within {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(14,122,76,.15);
  background: #fff;
}
.header-search input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 0 16px;
  font-size: 14px;
  color: var(--c-ink);
}
.header-search input::placeholder { color: var(--c-text-3); }
.header-search button {
  width: 44px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-2);
  transition: var(--tr);
  flex: 0 0 auto;
}
.header-search button:hover { color: var(--c-primary); }
.btn-header-download {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  transition: var(--tr);
  box-shadow: 0 2px 8px rgba(244,123,32,.3);
}
.btn-header-download:hover {
  background: var(--c-accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(244,123,32,.32);
}

/* ===== Channel Nav ===== */
.channel-nav {
  border-top: 1px solid var(--c-border);
  background: #fff;
}
.channel-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-top: 0;
  padding-bottom: 0;
  height: 48px;
}
.channel-inner::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-2);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: var(--tr);
  line-height: 1.4;
}
.channel-link:hover {
  color: var(--c-primary);
  background: var(--c-primary-light);
}
.channel-link.active {
  background: var(--c-ink);
  color: #fff;
  font-weight: 700;
}

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
  padding: 16px 0;
  background: #fff;
  border-bottom: 1px solid var(--c-border);
}
.breadcrumb-bar .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--c-text-3);
}
.breadcrumb-bar a {
  color: var(--c-text-2);
  font-weight: 500;
}
.breadcrumb-bar a:hover { color: var(--c-primary); }
.breadcrumb-bar .sep { color: var(--c-text-3); }
.breadcrumb-bar .current {
  color: var(--c-text);
  font-weight: 600;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Category Page Head ===== */
.category-banner {
  background: var(--c-bg-gray);
  border-bottom: 1px solid var(--c-border);
  padding: 40px 0 48px;
  position: relative;
  overflow: hidden;
}
.category-banner::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,122,76,.08), transparent 70%);
  pointer-events: none;
}
.category-banner-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 1;
}
.category-banner-text {
  flex: 1;
  min-width: 0;
}
.category-banner-text .category-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-primary-light);
  color: var(--c-primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}
.category-banner h1 {
  font-size: 38px;
  line-height: 1.18;
  font-weight: 800;
  color: var(--c-ink);
  letter-spacing: -.01em;
}
.category-banner h1 span {
  display: block;
  font-size: 19px;
  font-weight: 600;
  color: var(--c-primary);
  margin-top: 6px;
  letter-spacing: .01em;
}
.category-banner-text p {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-2);
  max-width: 560px;
}
.category-banner-media {
  flex: 0 0 280px;
}
.category-banner-media img {
  width: 280px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-border);
}

/* ===== Section Layout ===== */
.section-block {
  padding: 56px 0;
}
.section-block-alt {
  background: var(--c-bg-gray);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--c-ink);
  line-height: 1.3;
}
.section-head p {
  margin-top: 6px;
  font-size: 14px;
  color: var(--c-text-2);
  max-width: 560px;
}
.section-head-right { flex: 0 0 auto; }
.text-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
}
.text-link-arrow svg { transition: transform .18s ease; }
.text-link-arrow:hover svg { transform: translateX(4px); }

/* ===== FAQ Accordion ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-list {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-xs);
}
.faq-item {
  border-bottom: 1px solid var(--c-border);
  transition: var(--tr);
}
.faq-item:last-child { border-bottom: none; }
.faq-item.active {
  background: #FBFDFC;
}
.faq-q {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
  transition: var(--tr);
  background: transparent;
}
.faq-q:hover { color: var(--c-primary); }
.faq-q .faq-num {
  flex: 0 0 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--c-primary-light);
  color: var(--c-primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "DIN Alternate", "Roboto Mono", Consolas, monospace;
  font-weight: 700;
  font-size: 15px;
  transition: var(--tr);
}
.faq-item.active .faq-num {
  background: var(--c-primary);
  color: #fff;
}
.faq-q .faq-q-text { flex: 1; }
.faq-toggle {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  background: var(--c-text-2);
  border-radius: 2px;
  transition: var(--tr);
}
.faq-toggle::before { width: 14px; height: 2px; }
.faq-toggle::after { width: 2px; height: 14px; }
.faq-item.active .faq-toggle::after { transform: rotate(90deg); opacity: 0; }
.faq-item.active .faq-toggle::before { background: var(--c-primary); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .28s ease;
}
.faq-item.active .faq-a {
  grid-template-rows: 1fr;
}
.faq-a-inner {
  overflow: hidden;
  padding: 0 24px 0 74px;
}
.faq-a p {
  padding-bottom: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
}

/* ===== Resource Cards Scroll ===== */
.resource-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 8px;
  margin: -4px;
  padding-left: 4px;
  padding-right: 4px;
}
.resource-scroll::-webkit-scrollbar { display: none; }
.resource-card {
  flex: 0 0 280px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  transition: var(--tr);
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-xs);
}
.resource-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(14,122,76,.3);
}
.resource-card .rc-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--tr);
}
.resource-card:hover .rc-icon {
  background: var(--c-primary);
  color: #fff;
}
.resource-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.4;
}
.resource-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text-2);
  flex: 1;
}
.resource-card .rc-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
  margin-top: 4px;
}
.resource-card .rc-link svg { transition: transform .18s ease; }
.resource-card .rc-link:hover svg { transform: translateX(4px); }

/* ===== Hot Content Cards ===== */
.hot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.hot-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--tr);
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
}
.hot-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.hot-card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.hot-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.hot-card:hover .hot-card-cover img { transform: scale(1.04); }
.hot-card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(16,24,32,.35));
  pointer-events: none;
}
.hot-card-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.hot-card-tags {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--c-primary-light);
  color: var(--c-primary-dark);
}
.tag-orange {
  background: var(--c-accent-light);
  color: var(--c-accent-dark);
}
.hot-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.4;
  transition: var(--tr);
}
.hot-card h3 a { color: inherit; }
.hot-card h3 a:hover { color: var(--c-primary); }
.hot-card p {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.65;
  flex: 1;
}
.hot-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--c-text-3);
  border-top: 1px solid var(--c-border);
  padding-top: 12px;
}
.hot-card-meta .entry-link {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-primary);
}
.hot-card-meta .entry-link svg { transition: transform .18s ease; }
.hot-card-meta .entry-link:hover svg { transform: translateX(3px); }

/* ===== Back to Categories ===== */
.back-cats {
  text-align: center;
  padding: 32px 0 8px;
}
.back-cats .btn-ghost-green {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--c-primary);
  color: var(--c-primary);
  font-size: 15px;
  font-weight: 700;
  transition: var(--tr);
  background: transparent;
}
.back-cats .btn-ghost-green:hover {
  background: var(--c-primary-light);
  transform: translateY(-1px);
}

/* ===== CTA Section ===== */
.cta-panel {
  background: #101820;
  border-radius: 20px;
  padding: 52px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 16px 0 72px;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  background-blend-mode: overlay;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16,24,32,.94), rgba(14,122,76,.75));
  z-index: 1;
}
.cta-panel .cta-inner {
  position: relative;
  z-index: 2;
}
.cta-panel h2 {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.01em;
  margin-bottom: 14px;
}
.cta-panel p {
  font-size: 16px;
  color: rgba(255,255,255,.8);
  margin-bottom: 28px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-btns {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-accent);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  padding: 13px 32px;
  border-radius: var(--radius-md);
  transition: var(--tr);
  box-shadow: 0 4px 16px rgba(244,123,32,.35);
}
.btn-primary:hover {
  background: var(--c-accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(244,123,32,.4);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.6);
  font-size: 16px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  transition: var(--tr);
}
.btn-ghost:hover {
  background: #fff;
  color: var(--c-ink);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: #101820;
  color: rgba(255,255,255,.75);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo .logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, #0E7A4C, #0B5F3B);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.footer-logo .logo-text {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
}
.footer-logo .logo-text em {
  font-style: normal;
  color: #28BE7C;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,.6);
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .02em;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,.6);
  font-size: 14px;
  line-height: 2.3;
  transition: var(--tr);
}
.footer-col a:hover { color: #fff; padding-left: 3px; }
.footer-contact p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,.6);
  margin-bottom: 16px;
}
.social-row {
  display: flex;
  gap: 10px;
}
.social-link {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  transition: var(--tr);
}
.social-link:hover {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-beian { opacity: .8; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .category-banner-inner {
    gap: 24px;
  }
  .category-banner-media {
    flex-basis: 220px;
  }
  .category-banner-media img {
    width: 220px;
    height: 170px;
  }
  .hot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .header-top {
    height: 60px;
    gap: 12px;
  }
  .header-search {
    max-width: 200px;
  }
  .btn-header-download {
    padding: 8px 16px;
    font-size: 13px;
  }
  .category-banner {
    padding: 32px 0 40px;
  }
  .category-banner-inner {
    flex-direction: column;
    gap: 20px;
  }
  .category-banner-text {
    width: 100%;
  }
  .category-banner h1 {
    font-size: 30px;
  }
  .category-banner h1 span {
    font-size: 17px;
  }
  .category-banner-media {
    width: 100%;
  }
  .category-banner-media img {
    width: 100%;
    height: 200px;
  }
  .section-block {
    padding: 44px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 24px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .faq-a-inner {
    padding: 0 18px 0 60px;
  }
  .cta-panel {
    padding: 40px 24px;
    border-radius: 16px;
    margin-bottom: 48px;
  }
  .cta-panel h2 {
    font-size: 24px;
  }
}
@media (max-width: 640px) {
  .top-ticker { font-size: 12px; }
  .page-head-logo {
    margin-right: auto;
  }
  .logo-text {
    font-size: 15px;
  }
  .logo-mark {
    width: 32px;
    height: 32px;
  }
  .header-search {
    width: 40px;
    max-width: 40px;
    border-radius: 50%;
    justify-content: center;
    border-color: var(--c-border);
    background: var(--c-bg-gray);
    overflow: visible;
    position: relative;
  }
  .header-search input {
    display: none;
  }
  .header-search button {
    width: 40px;
    height: 38px;
  }
  .btn-header-download span {
    display: none;
  }
  .btn-header-download {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
  }
  .channel-link {
    padding: 7px 14px;
    font-size: 13px;
  }
  .breadcrumb-bar {
    padding: 12px 0;
  }
  .faq-q {
    padding: 16px 16px;
    font-size: 15px;
    gap: 12px;
  }
  .faq-q .faq-num {
    flex-basis: 30px;
    height: 30px;
    font-size: 14px;
  }
  .faq-a-inner {
    padding: 0 14px 0 58px;
  }
  .faq-a p {
    font-size: 14px;
  }
  .resource-card {
    flex-basis: 260px;
    padding: 22px 20px;
  }
  .hot-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}