/* roulang page: index */
:root{
  --ink:#0B0F0D;
  --panel:#151B18;
  --panel-2:#1D2521;
  --surface:#F4F6F1;
  --card:#FFFFFF;
  --text:#1C221F;
  --muted:#5E6A63;
  --line:#DDE4DA;
  --lime:#C7F04A;
  --lime-2:#D8FF6A;
  --orange:#FF6A2A;
  --danger:#D94A3A;
  --radius-card:18px;
  --radius-btn:11px;
  --shadow-1:0 8px 24px rgba(11,15,13,.08);
  --shadow-2:0 12px 32px rgba(11,15,13,.14);
  --sidebar-w:264px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--surface);color:var(--text);font-size:16px;line-height:1.75;font-weight:400}
a{color:inherit;text-decoration:none;transition:color .2s,border-color .2s,background .2s}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 侧栏导航 ---------- */
.app-sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:var(--ink);color:#E7EDE6;display:flex;flex-direction:column;padding:22px 16px 20px;z-index:60;overflow-y:auto}
.brand{display:flex;align-items:center;gap:11px;padding:4px 6px 18px;border-bottom:1px solid rgba(255,255,255,.09)}
.brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--lime);color:#0B0F0D;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:-.5px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.2px;color:#fff}
.brand-sub{font-size:12px;color:#8C9A91}
.nav-label{margin:20px 10px 8px;font-size:12px;letter-spacing:.16em;color:#6F7D74;text-transform:uppercase}
.nav-list{display:flex;flex-direction:column;gap:5px}
.nav-link{position:relative;display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;color:#9FAEA5;font-size:14.5px;font-weight:600;transition:background .2s,color .2s}
.nav-link:hover{color:#fff;background:rgba(199,240,74,.08)}
.nav-link.active{color:#fff;background:rgba(199,240,74,.12)}
.nav-link.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--lime)}
.nav-dot{width:7px;height:7px;border-radius:2px;background:#3C4A42;flex:0 0 7px;transition:background .2s}
.nav-link.active .nav-dot,.nav-link:hover .nav-dot{background:var(--lime)}
.sidebar-bottom{margin-top:auto;padding-top:20px}
.sidebar-card{background:var(--panel-2);border:1px solid rgba(199,240,74,.18);border-radius:14px;padding:15px}
.sidebar-card strong{display:block;font-size:14px;color:#fff;margin-bottom:5px}
.sidebar-card span{display:block;font-size:12.5px;color:#93A29A;line-height:1.6;margin-bottom:12px}
.sidebar-ver{margin-top:12px;font-size:11.5px;color:#6F7D74;line-height:1.6}

/* ---------- 主内容区 ---------- */
.main-wrap{margin-left:var(--sidebar-w);min-height:100vh}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 28px}
.section{padding:84px 0}
.section-tight{padding:60px 0}
.section-dark{background:var(--ink);color:#E9EFE9}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#7C8B82}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--lime)}
.eyebrow-light{color:#9BA9A0}
.section-title{font-size:32px;line-height:1.25;font-weight:800;letter-spacing:-.4px;margin:14px 0 12px;color:var(--text)}
.section-dark .section-title{color:#fff}
.section-desc{font-size:15.5px;color:var(--muted);line-height:1.8}
.section-dark .section-desc{color:#A6B4AB}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s}
.btn-primary{background:var(--lime);color:#0B0F0D;box-shadow:0 8px 20px rgba(199,240,74,.2)}
.btn-primary:hover{background:var(--lime-2);transform:translateY(-1px);box-shadow:0 12px 26px rgba(199,240,74,.3)}
.btn-primary:active{transform:translateY(0);background:#B4DD3E;box-shadow:0 4px 12px rgba(199,240,74,.2)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{border-color:var(--lime);background:rgba(199,240,74,.1);transform:translateY(-1px)}
.btn-ghost-dark{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost-dark:hover{border-color:var(--lime);background:rgba(199,240,74,.14)}
.btn-dark{background:var(--ink);color:var(--lime)}
.btn-dark:hover{background:#182420;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-lg{height:54px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.5;z-index:-2}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,15,13,.97) 0%,rgba(11,15,13,.82) 46%,rgba(11,15,13,.62) 100%);z-index:-1}
.hero-inner{padding:92px 0 84px}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;border:1px solid rgba(199,240,74,.35);background:rgba(199,240,74,.1);color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.06em}
.hero h1{font-size:52px;line-height:1.12;font-weight:800;letter-spacing:-1.2px;margin:22px 0 18px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:16.5px;line-height:1.85;color:#B9C6BD;max-width:38em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.12);padding-top:22px}
.trust-item{padding-right:16px}
.trust-item strong{display:block;font-size:20px;font-weight:800;color:#fff;line-height:1.3}
.trust-item span{display:block;font-size:12.5px;color:#8E9C93;margin-top:3px}
.hero-visual{position:relative}
.hero-shot{position:relative;border-radius:22px;overflow:hidden;border:1px solid rgba(199,240,74,.22);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.hero-shot img{width:100%;height:340px;object-fit:cover}
.hero-float{position:absolute;left:-16px;bottom:-22px;background:#fff;color:var(--text);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-2);border-left:4px solid var(--lime);min-width:190px}
.hero-float strong{display:block;font-size:22px;font-weight:800;line-height:1.2}
.hero-float span{font-size:12.5px;color:var(--muted)}

/* ---------- 价值点 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.value-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s,border-color .22s}
.value-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(199,240,74,.9)}
.value-idx{font-size:13px;font-weight:800;color:var(--orange);letter-spacing:.1em}
.value-icon{width:44px;height:44px;border-radius:12px;background:rgba(199,240,74,.22);color:#3F5A15;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;margin:14px 0 16px}
.value-card h3{font-size:20px;font-weight:700;margin-bottom:9px;line-height:1.4}
.value-card p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- 功能截图横向滚动 ---------- */
.shots-scroll{display:flex;gap:22px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.shots-scroll::-webkit-scrollbar{height:8px}
.shots-scroll::-webkit-scrollbar-track{background:#E5EAE0;border-radius:8px}
.shots-scroll::-webkit-scrollbar-thumb{background:#B9C4BA;border-radius:8px}
.shot{flex:0 0 320px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s,border-color .22s}
.shot:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(199,240,74,.9)}
.shot img{width:100%;height:186px;object-fit:cover}
.shot-body{padding:20px 22px 24px}
.shot-body h3{font-size:18px;font-weight:700;margin-bottom:7px}
.shot-body p{font-size:14px;color:var(--muted);line-height:1.75}
.shot-tag{display:inline-block;padding:3px 10px;border-radius:999px;background:rgba(199,240,74,.24);color:#3F5A15;font-size:12px;font-weight:700;margin-bottom:10px}

/* ---------- 系统要求 ---------- */
.req-list{display:grid;gap:12px}
.req-row{display:grid;grid-template-columns:180px 1fr auto;gap:20px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;box-shadow:0 4px 14px rgba(11,15,13,.05);transition:border-color .2s,box-shadow .2s}
.req-row:hover{border-color:rgba(199,240,74,.85);box-shadow:var(--shadow-1)}
.req-name{font-size:15px;font-weight:700}
.req-desc{font-size:14.5px;color:var(--muted)}
.req-pill{padding:5px 13px;border-radius:999px;background:#EEF3E8;color:#41503F;font-size:12.5px;font-weight:700;white-space:nowrap}

/* ---------- 评价墙 ---------- */
.reviews{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.review{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s}
.review:nth-child(2){transform:translateY(24px)}
.review:hover{box-shadow:var(--shadow-2)}
.review:nth-child(2):hover{transform:translateY(21px)}
.review-top{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.review-top img{width:46px;height:46px;border-radius:50%;object-fit:cover;border:2px solid rgba(199,240,74,.6)}
.review-name{font-size:15px;font-weight:700}
.review-time{font-size:12.5px;color:var(--muted)}
.review blockquote{font-size:15px;line-height:1.85;color:#33403A}
.review-stars{margin-top:16px;font-size:13.5px;color:var(--orange);letter-spacing:.14em;font-weight:700}

/* ---------- 下载区 ---------- */
.download-panel{position:relative;overflow:hidden;background:var(--panel);border:1px solid rgba(199,240,74,.2);border-radius:24px;padding:48px;color:#fff}
.download-panel::after{content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(199,240,74,.18),transparent 68%)}
.download-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;z-index:1}
.download-panel h2{font-size:29px;font-weight:800;line-height:1.3;margin:14px 0 12px}
.download-panel p{font-size:15px;color:#A9B7AE;line-height:1.85}
.dl-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:26px 0 18px}
.dl-btn{display:flex;align-items:center;gap:11px;padding:13px 16px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);color:#fff;font-size:14.5px;font-weight:700;transition:border-color .2s,background .2s,transform .2s}
.dl-btn:hover{border-color:var(--lime);background:rgba(199,240,74,.12);transform:translateY(-1px)}
.dl-btn small{display:block;font-size:11.5px;font-weight:500;color:#94A29A}
.dl-ico{width:30px;height:30px;border-radius:9px;background:rgba(255,106,42,.18);color:var(--orange);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex:0 0 30px}
.qr-box{background:#fff;border-radius:18px;padding:18px;text-align:center;box-shadow:var(--shadow-2)}
.qr-box img{width:100%;height:158px;object-fit:cover;border-radius:12px}
.qr-box span{display:block;font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.6}
.dl-note{font-size:12.5px;color:#8C9A91;line-height:1.7;margin-top:6px}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s,border-color .22s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(199,240,74,.9)}
.news-card img{width:100%;height:172px;object-fit:cover;transition:transform .35s}
.news-card:hover img{transform:scale(1.04)}
.news-body{padding:20px 22px 16px;flex:1}
.badge{display:inline-block;padding:3px 11px;border-radius:999px;background:rgba(199,240,74,.24);color:#3F5A15;font-size:12px;font-weight:700;margin-bottom:12px}
.news-body h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 22px 20px;border-top:1px solid #EDF1EA;font-size:12.5px;color:var(--muted)}
.news-more{font-weight:700;color:#3F5A15}
.news-card:hover .news-more{color:#2E4410}
.empty-tip{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-card);padding:44px;text-align:center;color:var(--muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{position:relative;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 24px;box-shadow:0 4px 14px rgba(11,15,13,.05);transition:border-color .22s,box-shadow .22s}
.faq-item[open]{border-color:rgba(199,240,74,.9);box-shadow:var(--shadow-1)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--lime)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:16.5px;font-weight:600;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--muted);transition:transform .25s,color .25s;line-height:1}
.faq-item[open] summary::after{transform:rotate(45deg);color:#3F5A15}
.faq-answer{padding-top:14px;font-size:15px;line-height:1.85;color:var(--muted);max-width:70ch}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:24px;padding:52px 48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.22}
.cta-band > *{position:relative}
.cta-band h2{font-size:28px;font-weight:800;line-height:1.3;margin-bottom:10px}
.cta-band p{font-size:15px;color:#AEBCB3;line-height:1.8;max-width:56ch}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#98A69D;padding:64px 0 0;margin-top:84px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:14px}
.footer-brand strong{font-size:16.5px;color:#fff;font-weight:800}
.footer-about{font-size:13.5px;line-height:1.85;max-width:40ch}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:13.5px}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;padding:22px 0 28px;font-size:12.5px;color:#7B8981}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 移动端 ---------- */
.mobile-bar{display:none}
.drawer-mask{position:fixed;inset:0;background:rgba(11,15,13,.72);opacity:0;pointer-events:none;transition:opacity .25s;z-index:55}
.drawer-mask.show{opacity:1;pointer-events:auto}
.menu-btn{width:42px;height:42px;border-radius:11px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:#fff}

@media (max-width:1279px){
  .hero h1{font-size:44px}
  .hero-shot img{height:300px}
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .app-sidebar{transform:translateX(-100%);transition:transform .28s cubic-bezier(.4,0,.2,1);width:280px}
  .app-sidebar.open{transform:translateX(0)}
  .main-wrap{margin-left:0;padding-top:60px}
  .mobile-bar{display:flex;position:fixed;top:0;left:0;right:0;height:60px;align-items:center;justify-content:space-between;gap:14px;padding:0 18px;background:rgba(11,15,13,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08);z-index:58}
  .mobile-bar .brand{padding:0;border:0}
  .mobile-bar .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:13px}
  .mobile-bar .brand-name{font-size:15px}
  .mobile-bar .brand-sub{display:none}
  .hero-inner{padding:64px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:40px}
  .hero-float{position:static;margin-top:18px;display:inline-block;min-width:0}
  .hero-shot img{height:280px}
  .value-grid{grid-template-columns:1fr}
  .reviews{grid-template-columns:1fr}
  .review:nth-child(2){transform:none}
  .review:nth-child(2):hover{transform:translateY(-2px)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .download-grid{grid-template-columns:1fr;gap:32px}
  .download-panel{padding:36px 28px}
  .cta-band{grid-template-columns:1fr;padding:38px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:60px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero h1{font-size:33px;letter-spacing:-.6px}
  .hero-sub{font-size:15px}
  .hero-inner{padding:48px 0 52px}
  .hero-actions .btn{width:100%}
  .trust-bar{grid-template-columns:repeat(2,1fr);gap:16px 0;padding-top:20px}
  .section-title{font-size:25px}
  .news-grid{grid-template-columns:1fr}
  .req-row{grid-template-columns:1fr;gap:8px;align-items:flex-start}
  .req-pill{justify-self:start}
  .dl-buttons{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:30px}
  .value-card{padding:22px}
}
@media (max-width:519px){
  .hero h1{font-size:29px}
  .hero-badge{font-size:12px}
  .download-panel{padding:28px 20px}
  .cta-band{padding:30px 20px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .shot{flex:0 0 264px}
  .shot img{height:158px}
}

/* roulang page: category1 */
:root{
  --ink:#0B0F0D;
  --ink-2:#151B18;
  --surface:#F4F6F1;
  --card:#FFFFFF;
  --text:#1C221F;
  --muted:#5E6A63;
  --line:#DDE4DA;
  --lime:#C7F04A;
  --lime-bright:#D8FF6A;
  --orange:#FF6A2A;
  --danger:#D94A3A;
  --radius-card:18px;
  --radius-btn:11px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(11,15,13,.08);
  --shadow-hover:0 12px 32px rgba(11,15,13,.14);
  --shell:264px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--surface);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
p{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 28px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 侧栏 App Shell ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--shell);
  background:var(--ink);
  color:#E7EDE6;
  display:flex;
  flex-direction:column;
  padding:26px 20px 22px;
  z-index:60;
}
.sidebar .brand{
  display:flex;align-items:center;gap:12px;
  padding:0 6px 22px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--lime),#9FD32B);
  color:#0B0F0D;
  font-weight:800;
  font-size:13px;
  letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;}
.brand-name{font-size:15px;font-weight:800;color:#FFFFFF;}
.brand-sub{font-size:11.5px;color:#8B978F;letter-spacing:.2px;}
.side-nav{margin-top:24px;display:flex;flex-direction:column;gap:4px;}
.side-nav .nav-label{
  font-size:11px;letter-spacing:1.6px;color:#68746C;
  text-transform:uppercase;margin:6px 8px 10px;
}
.side-nav a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:11px 14px 11px 16px;
  border-radius:11px;
  font-size:14.5px;
  color:#A9B4AC;
  transition:background .2s ease,color .2s ease;
}
.side-nav a i{width:18px;text-align:center;font-size:14px;opacity:.85;}
.side-nav a:hover{background:rgba(199,240,74,.08);color:#F2F6EF;}
.side-nav a.active{
  background:rgba(199,240,74,.12);
  color:#FFFFFF;
  font-weight:600;
}
.side-nav a.active::before{
  content:"";
  position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:3px;background:var(--lime);
}
.side-cta{
  margin-top:auto;
  background:var(--ink-2);
  border:1px solid rgba(199,240,74,.18);
  border-radius:16px;
  padding:18px 16px;
  box-shadow:0 0 26px rgba(199,240,74,.10);
}
.side-cta strong{display:block;font-size:14.5px;color:#FFFFFF;margin-bottom:6px;}
.side-cta p{font-size:12.5px;color:#8B978F;line-height:1.65;margin-bottom:12px;}
.side-cta .side-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:42px;width:100%;
  border-radius:var(--radius-btn);
  background:var(--lime);color:#0B0F0D;font-weight:700;font-size:14px;
  transition:background .2s ease,transform .2s ease;
}
.side-cta .side-btn:hover{background:var(--lime-bright);transform:translateY(-1px);}
.side-version{margin-top:14px;font-size:11.5px;color:#68746C;text-align:center;letter-spacing:.3px;}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;
  height:62px;
  background:var(--ink);
  color:#fff;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
  z-index:70;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-bar .brand{padding:0;border:0;}
.mobile-bar .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:12px;}
.mobile-bar .brand-name{color:#fff;font-size:14.5px;}
.mobile-bar .brand-sub{font-size:11px;}
.menu-btn{width:42px;height:42px;border-radius:11px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid rgba(255,255,255,.16);}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--lime);transition:transform .25s ease,opacity .25s ease;}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.overlay{
  display:none;
  position:fixed;inset:0;
  background:rgba(11,15,13,.72);
  z-index:55;
}
.overlay.show{display:block;}

/* ---------- 主内容 ---------- */
.app-main{
  margin-left:var(--shell);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  padding:26px 0 0;
}
.breadcrumb a:hover{color:var(--text);}
.breadcrumb i{font-size:10px;opacity:.6;}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:20px;
  border-radius:24px;
  overflow:hidden;
  background-image:linear-gradient(100deg,rgba(11,15,13,.96) 0%,rgba(11,15,13,.82) 46%,rgba(11,15,13,.58) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:46px 44px;
  min-height:372px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.hero::after{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,74,.18),transparent 68%);
  pointer-events:none;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  align-self:flex-start;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(199,240,74,.16);
  border:1px solid rgba(199,240,74,.4);
  color:var(--lime);
  font-size:12.5px;
  letter-spacing:.4px;
  margin-bottom:18px;
}
.hero h1{
  color:#fff;
  font-size:44px;
  line-height:1.14;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:760px;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero p.lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:#C6CFC7;
  max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:700;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--lime);color:#0B0F0D;box-shadow:0 8px 22px rgba(199,240,74,.28);}
.btn-primary:hover{background:var(--lime-bright);transform:translateY(-1px);box-shadow:0 12px 28px rgba(199,240,74,.36);}
.btn-primary:active{transform:translateY(0);background:#B4DA3C;}
.btn-ghost{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.3);
}
.btn-ghost:hover{border-color:var(--lime);background:rgba(199,240,74,.08);color:var(--lime);}
.btn-outline{
  background:#fff;color:var(--text);border:1px solid var(--line);
}
.btn-outline:hover{border-color:var(--lime);background:rgba(199,240,74,.10);transform:translateY(-1px);}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:34px;
  margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats .stat strong{
  display:block;font-size:24px;font-weight:800;color:var(--lime);
}
.hero-stats .stat span{font-size:12.5px;color:#9DA8A0;}

/* ---------- 通用板块 ---------- */
.section{padding:78px 0;}
.section.tight{padding:56px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;
  font-size:12px;letter-spacing:1.6px;
  color:#7C8A80;
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{font-size:30px;line-height:1.28;letter-spacing:-.3px;}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;}
.section-head.on-dark h2{color:#fff;}
.section-head.on-dark p{color:#A9B4AC;}

/* ---------- 下载按钮组 ---------- */
.download-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.dl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 22px;
  display:flex;flex-direction:column;gap:14px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(199,240,74,.9);}
.dl-card .dl-icon{
  width:46px;height:46px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#0B0F0D;background:var(--lime);
}
.dl-card.alt .dl-icon{background:rgba(255,106,42,.14);color:var(--orange);}
.dl-card h3{font-size:18px;}
.dl-card .dl-meta{font-size:13px;color:var(--muted);line-height:1.7;}
.dl-card .dl-btn{
  margin-top:auto;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;border-radius:var(--radius-btn);
  background:var(--ink);color:var(--lime);
  font-weight:700;font-size:14.5px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.dl-card .dl-btn:hover{background:var(--lime);color:#0B0F0D;transform:translateY(-1px);}
.dl-card.alt .dl-btn{background:#fff;border:1px solid var(--line);color:var(--text);}
.dl-card.alt .dl-btn:hover{border-color:var(--orange);color:var(--orange);background:#FFF7F3;}

.qr-panel{
  margin-top:26px;
  background:var(--ink);
  border-radius:var(--radius-card);
  padding:28px 30px;
  display:flex;align-items:center;gap:28px;
  color:#E7EDE6;
  flex-wrap:wrap;
}
.qr-box{
  width:132px;height:132px;flex:0 0 132px;
  border-radius:16px;
  background:
    repeating-linear-gradient(0deg,#0B0F0D 0 8px,#151B18 8px 16px),
    #0B0F0D;
  border:1px solid rgba(199,240,74,.35);
  display:flex;align-items:center;justify-content:center;
  color:var(--lime);font-size:12px;letter-spacing:1px;
}
.qr-text h3{color:#fff;font-size:19px;margin-bottom:8px;}
.qr-text p{font-size:13.5px;color:#9DA8A0;line-height:1.75;max-width:560px;}
.qr-text .safe-tip{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:12px;font-size:12.5px;color:var(--lime);
}

/* ---------- 功能亮点 ---------- */
.feature-wrap{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;gap:0;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(199,240,74,.9);}
.feature-card .thumb{
  width:170px;flex:0 0 170px;
  overflow:hidden;
  background:var(--ink-2);
}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.feature-card:hover .thumb img{transform:scale(1.06);}
.feature-body{padding:22px 24px;display:flex;flex-direction:column;gap:10px;}
.feature-body .badge{
  align-self:flex-start;
  font-size:12px;padding:4px 11px;border-radius:var(--radius-pill);
  background:rgba(199,240,74,.24);color:#43530F;font-weight:600;
}
.feature-body h3{font-size:18.5px;}
.feature-body p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- 系统要求 ---------- */
.req-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px;
  box-shadow:var(--shadow);
}
.pill-list{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:#FAFBF7;
  font-size:13.5px;
  color:#2C3630;
  transition:border-color .2s ease,background .2s ease;
}
.pill:hover{border-color:var(--lime);background:rgba(199,240,74,.10);}
.pill i{color:#6E7C72;font-size:12px;}
.req-rows{margin-top:26px;display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;}
.req-row{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 0;
  border-bottom:1px dashed var(--line);
}
.req-row .num{
  font-size:13px;font-weight:800;color:#8A9A8E;
  min-width:28px;
}
.req-row strong{display:block;font-size:15px;color:var(--text);}
.req-row span{font-size:13.5px;color:var(--muted);}

/* ---------- 评价 ---------- */
.review-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.review-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 26px 22px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.review-card.offset{margin-top:38px;}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.avatar{
  width:46px;height:46px;border-radius:50%;overflow:hidden;flex:0 0 46px;
  border:2px solid rgba(199,240,74,.6);
}
.avatar img{width:100%;height:100%;object-fit:cover;}
.review-top strong{display:block;font-size:14.5px;}
.review-top .stars{font-size:12px;color:var(--orange);letter-spacing:1px;}
.review-card p{font-size:14.5px;color:#343D38;line-height:1.8;}
.review-foot{margin-top:16px;font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-left-color:var(--lime);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:22px;font-weight:400;color:#93A096;
  transition:transform .25s ease,color .25s ease;
  line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:#7FA22B;}
.faq-item summary:hover{color:#3B4A3F;}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- CTA 区 ---------- */
.cta-band{
  background:linear-gradient(120deg,#0B0F0D 0%,#18201B 58%,#223024 100%);
  border-radius:24px;
  padding:46px 44px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-40px;bottom:-70px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,74,.20),transparent 70%);
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.3;position:relative;}
.cta-band p{color:#A9B4AC;font-size:15px;margin-top:12px;max-width:560px;position:relative;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:auto;
  background:var(--ink);
  color:#9DA8A0;
  padding:60px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:12px;}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-about{font-size:13.5px;line-height:1.85;color:#8B978F;max-width:340px;}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.3px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li{font-size:13.5px;color:#8B978F;}
.footer-col a{font-size:13.5px;color:#A9B4AC;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#68746C;
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 24px;}
  .hero h1{font-size:38px;}
}
@media (max-width:1024px){
  .sidebar{transform:translateX(-100%);transition:transform .3s ease;width:280px;}
  .sidebar.open{transform:translateX(0);}
  .mobile-bar{display:flex;}
  .app-main{margin-left:0;padding-top:62px;}
  .section{padding:60px 0;}
  .section.tight{padding:46px 0;}
  .download-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .hero{padding:38px 28px;min-height:340px;border-radius:20px;}
  .hero h1{font-size:32px;}
  .section-head h2{font-size:25px;}
  .feature-wrap{grid-template-columns:1fr;}
  .req-rows{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .review-card.offset{margin-top:0;}
  .cta-band{padding:34px 26px;}
  .cta-band h2{font-size:23px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .hero{padding:30px 20px;min-height:300px;}
  .hero h1{font-size:27px;}
  .hero p.lead{font-size:14.5px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:22px;}
  .hero-stats .stat strong{font-size:20px;}
  .download-grid{grid-template-columns:1fr;}
  .feature-card{flex-direction:column;}
  .feature-card .thumb{width:100%;flex:none;height:168px;}
  .qr-panel{padding:24px 20px;gap:20px;}
  .qr-box{width:110px;height:110px;flex:0 0 110px;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .section{padding:48px 0;}
  .faq-item summary{font-size:15.5px;padding:17px 18px;}
  .faq-body{padding:0 18px 18px;font-size:14.5px;}
}

/* roulang page: article */
:root{
  --ink:#0B0F0D;
  --panel:#151B18;
  --panel-2:#1D2521;
  --surface:#F4F6F1;
  --card:#FFFFFF;
  --text:#1C221F;
  --muted:#5E6A63;
  --line:#DDE4DA;
  --lime:#C7F04A;
  --lime-hi:#D8FF6A;
  --orange:#FF6A2A;
  --danger:#D94A3A;
  --radius-card:18px;
  --radius-btn:11px;
  --shadow-sm:0 8px 24px rgba(11,15,13,.08);
  --shadow-lg:0 12px 32px rgba(11,15,13,.14);
  --sidebar-w:264px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.tabular{font-variant-numeric:tabular-nums}

/* ============ 容器 ============ */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 主框架 ============ */
.main-wrap{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.main-wrap > main{flex:1 0 auto}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink);
  border-right:1px solid rgba(199,240,74,.10);
  padding:26px 18px 20px;
  display:flex;flex-direction:column;
  overflow-y:auto;z-index:60;
  scrollbar-width:thin;scrollbar-color:#2C362F transparent;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:#2C362F;border-radius:6px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;flex:0 0 auto;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--lime),#9ED420);
  color:#0B0F0D;font-weight:800;font-size:14.5px;letter-spacing:.5px;
  box-shadow:0 6px 18px rgba(199,240,74,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.28;min-width:0}
.brand-name{font-size:16px;font-weight:800;color:#FFFFFF;letter-spacing:.3px;white-space:nowrap}
.brand-sub{font-size:11.5px;color:#8A9B90;letter-spacing:.3px;white-space:nowrap}
.sidebar-nav{margin-top:32px;display:flex;flex-direction:column;gap:5px}
.nav-label{font-size:11px;letter-spacing:.18em;color:#67766C;padding:0 12px;margin-bottom:8px;font-weight:600}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:11px;
  color:#A5B3A9;font-size:14.5px;font-weight:500;
  transition:background .22s ease,color .22s ease;
}
.nav-item i{width:18px;font-size:15px;text-align:center;opacity:.85}
.nav-item:hover{color:#FFFFFF;background:rgba(199,240,74,.08)}
.nav-item.active{color:#FFFFFF;background:rgba(199,240,74,.11)}
.nav-item.active::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;background:var(--lime);border-radius:0 3px 3px 0;
}
.side-cta{
  margin-top:auto;padding:16px;border-radius:16px;
  background:linear-gradient(160deg,#1D251F,#111714);
  border:1px solid rgba(199,240,74,.22);
}
.side-cta-top{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--lime);letter-spacing:.04em}
.side-cta-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(199,240,74,.15)}
.side-cta p{margin:10px 0 14px;font-size:12.8px;line-height:1.7;color:#8FA095}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;
  height:62px;padding:0 16px;align-items:center;justify-content:space-between;
  background:rgba(11,15,13,.96);
  border-bottom:1px solid rgba(199,240,74,.14);
  backdrop-filter:blur(10px);
}
.mobile-bar .brand-mark{width:38px;height:38px;border-radius:11px;font-size:12.5px}
.mobile-bar .brand-name{font-size:14.5px}
.mobile-bar .brand-sub{font-size:10.5px}
.menu-btn{
  width:42px;height:42px;border-radius:11px;flex:0 0 auto;
  border:1px solid rgba(199,240,74,.28);background:transparent;
  display:grid;place-content:center;gap:5px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.menu-btn:hover{background:rgba(199,240,74,.10);border-color:var(--lime)}
.menu-btn span{display:block;width:18px;height:2px;background:var(--lime);border-radius:2px;transition:transform .26s ease,opacity .2s ease}
.menu-btn.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.is-active span:nth-child(2){opacity:0}
.menu-btn.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.sidebar-mask{
  position:fixed;inset:0;background:rgba(11,15,13,.72);z-index:55;
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
}
.sidebar-mask.is-open{opacity:1;visibility:visible}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--lime);color:#0B0F0D;box-shadow:0 8px 22px rgba(199,240,74,.26)}
.btn-primary:hover{background:var(--lime-hi);transform:translateY(-1px);box-shadow:0 12px 28px rgba(199,240,74,.34)}
.btn-primary:active{transform:translateY(0);background:#B4DC39;box-shadow:0 4px 12px rgba(199,240,74,.22)}
.btn-outline{background:#FFFFFF;border-color:#C9D4C3;color:#242B27}
.btn-outline:hover{border-color:var(--lime);background:#F6FAEE;transform:translateY(-1px)}
.btn-dark{background:var(--panel);color:#FFFFFF}
.btn-dark:hover{background:#232C26;transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
.btn i{font-size:14px}

/* ============ 文章头部 ============ */
.article-hero{position:relative;isolation:isolate;background:var(--ink);color:#FFFFFF;overflow:hidden}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.36;
}
.article-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(11,15,13,.96) 0%,rgba(11,15,13,.88) 46%,rgba(11,15,13,.62) 100%);
}
.article-hero .container{padding-top:46px;padding-bottom:52px;position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#93A399}
.crumbs a{transition:color .2s ease}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{opacity:.45}
.crumbs .current{color:#D9E3DA;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600}
.badge-lime{background:rgba(199,240,74,.15);color:var(--lime);border:1px solid rgba(199,240,74,.34)}
.badge-ghost{background:rgba(255,255,255,.09);color:#CBD7CE;border:1px solid rgba(255,255,255,.18)}
.article-hero h1{
  font-size:clamp(26px,3.5vw,40px);line-height:1.26;font-weight:800;
  letter-spacing:-.01em;margin-top:18px;max-width:920px;color:#FFFFFF;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:22px;font-size:13.5px;color:#9CADA2}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(199,240,74,.65)}

/* ============ 文章主体 ============ */
.article-main{padding:54px 0 70px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:44px 48px;box-shadow:var(--shadow-sm);
  max-width:820px;
  font-size:16.5px;line-height:1.86;color:#242B27;
}
.article-body > :first-child{margin-top:0}
.article-body > :last-child{margin-bottom:0}
.article-body h2{
  font-size:clamp(21px,2.3vw,27px);line-height:1.34;font-weight:700;color:#151B18;
  margin:2.1em 0 .75em;padding-left:14px;border-left:4px solid var(--lime);
}
.article-body h3{font-size:19.5px;line-height:1.4;font-weight:700;color:#151B18;margin:1.85em 0 .65em}
.article-body h4{font-size:17px;font-weight:700;color:#1F2723;margin:1.6em 0 .55em}
.article-body p{margin:0 0 1.35em}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.4em}
.article-body li{margin:.45em 0}
.article-body li::marker{color:#93B62C}
.article-body a{color:#3F7A1B;border-bottom:1px solid rgba(199,240,74,.95);transition:color .2s ease}
.article-body a:hover{color:#2C5911}
.article-body img{border-radius:16px;margin:1.7em auto;box-shadow:var(--shadow-sm)}
.article-body blockquote{
  margin:1.7em 0;padding:16px 22px;background:#F5F8EE;
  border-left:4px solid var(--lime);border-radius:0 14px 14px 0;color:#3B473F;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:1.7em 0;border:1px solid var(--line)}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:#F1F5EC;font-weight:700;color:#1F2723}
.article-body tr:last-child td{border-bottom:0}
.article-body code{background:#EEF3E8;padding:2px 7px;border-radius:6px;font-size:.92em;color:#3F7A1B}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ============ 空态 ============ */
.empty-state{
  background:#FFFFFF;border:1px dashed #C6D6BD;border-radius:20px;
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-sm);max-width:820px;
}
.empty-state .empty-icon{
  width:58px;height:58px;border-radius:17px;background:#F3F7EC;color:#8FAE2C;
  display:grid;place-items:center;font-size:23px;font-weight:800;margin:0 auto 18px;
}
.empty-state h2{font-size:22px;font-weight:800;color:#151B18;margin-bottom:10px}
.empty-state p{margin:0 auto 24px;max-width:520px;color:var(--muted);font-size:15px;line-height:1.8}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:26px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card h3{
  font-size:15.5px;font-weight:700;color:#151B18;margin-bottom:14px;
  display:flex;align-items:center;gap:9px;
}
.side-card h3::before{content:"";width:4px;height:15px;background:var(--lime);border-radius:2px}
.side-links{list-style:none;display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:14px;color:#3C4640;
  transition:background .2s ease,color .2s ease;
}
.side-links a:hover{background:#F3F7EC;color:#151B18}
.side-links a i{opacity:.35;font-size:12px;transition:transform .2s ease,opacity .2s ease,color .2s ease}
.side-links a:hover i{transform:translateX(3px);opacity:1;color:#7BA524}
.side-text{font-size:13.5px;line-height:1.8;color:var(--muted)}
.side-download{
  background:linear-gradient(155deg,#1A211C,#0B0F0D);
  border:1px solid rgba(199,240,74,.2);border-radius:18px;padding:22px;
  box-shadow:0 12px 32px rgba(11,15,13,.16);
}
.side-tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.06em;
  color:var(--lime);background:rgba(199,240,74,.12);
  border:1px solid rgba(199,240,74,.3);padding:4px 10px;border-radius:999px;
}
.side-download h3{font-size:17px;font-weight:800;color:#FFFFFF;margin:13px 0 10px;line-height:1.45}
.side-download p{font-size:13.5px;line-height:1.76;color:#9CAEA2;margin:0 0 16px}
.side-note{margin:12px 0 0;font-size:12px;color:#7B8D83}

/* ============ 继续浏览 ============ */
.more-section{padding:8px 0 88px}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px;margin-bottom:30px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;color:#151B18;
  display:flex;align-items:center;gap:12px;
}
.section-head h2::before{content:"";width:9px;height:9px;border-radius:2px;background:var(--lime);flex:0 0 auto}
.section-head p{font-size:14.5px;color:var(--muted)}
.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.more-card{
  background:#FFFFFF;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.more-card:hover{transform:translateY(-3px);border-color:rgba(199,240,74,.8);box-shadow:var(--shadow-lg)}
.more-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#E7EDE3}
.more-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.more-card:hover .thumb img{transform:scale(1.05)}
.more-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 0 auto}
.badge-tag{
  align-self:flex-start;font-size:12px;font-weight:600;color:#6E8A1E;
  background:#F2F8E3;border:1px solid #DCEAB8;
  padding:3px 10px;border-radius:999px;margin-bottom:11px;
}
.more-card h3{font-size:17px;font-weight:700;color:#151B18;margin-bottom:8px;line-height:1.45}
.more-card p{font-size:13.8px;line-height:1.75;color:var(--muted)}
.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#A5B3A9;margin-top:auto}
.site-footer .container{padding-top:62px;padding-bottom:26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#FFFFFF;font-size:17px;font-weight:800;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px;font-size:13px}
.footer-about{font-size:13.5px;line-height:1.85;color:#8B9A90;max-width:340px}
.footer-col h4{
  font-size:12.5px;letter-spacing:.12em;color:#7B8C81;
  font-weight:700;margin-bottom:16px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#B4C2B8;transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-col li{font-size:13.5px;color:#8B9A90}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(199,240,74,.12);
  display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;
  font-size:12.5px;color:#78887E;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .mobile-bar{display:flex}
  .main-wrap{margin-left:0}
  .sidebar{
    width:282px;transform:translateX(-100%);
    transition:transform .3s ease;
    box-shadow:0 0 44px rgba(0,0,0,.42);
  }
  .sidebar.is-open{transform:translateX(0)}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{display:none}
  .article-body{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .article-hero .container{padding-top:34px;padding-bottom:38px}
  .crumbs .current{max-width:200px}
  .article-main{padding:36px 0 52px}
  .article-body{padding:28px 22px;font-size:15.8px;border-radius:16px}
  .article-body h2{margin-top:1.8em}
  .more-grid{grid-template-columns:1fr;gap:18px}
  .more-section{padding:4px 0 62px}
  .back-row .btn{width:100%}
  .site-footer .container{padding-top:48px}
}
@media (max-width:560px){
  .mobile-bar .brand-sub{display:none}
  .article-hero h1{font-size:26px}
  .meta-row{font-size:12.8px;gap:6px 14px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .crumbs .current{max-width:150px}
}

/* roulang page: category2 */
:root{
  --ink:#0B0F0D;
  --panel:#151B18;
  --panel-2:#1D2521;
  --paper:#F4F6F1;
  --card:#FFFFFF;
  --text:#1C221F;
  --muted:#5E6A63;
  --line:#DDE4DA;
  --lime:#C7F04A;
  --lime-hover:#D8FF6A;
  --orange:#FF6A2A;
  --danger:#D94A3A;
  --r-card:18px;
  --r-btn:11px;
  --shadow:0 8px 24px rgba(11,15,13,.08);
  --shadow-hover:0 14px 34px rgba(11,15,13,.14);
  --sidebar-w:264px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
button,input{font:inherit;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;letter-spacing:-.2px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 26px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 侧边 App Shell ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--ink);
  border-right:1px solid rgba(199,240,74,.10);
  display:flex;
  flex-direction:column;
  padding:24px 18px 22px;
  z-index:90;
  overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:12px;padding:2px 6px 22px;}
.brand-mark{
  width:42px;height:42px;flex:0 0 auto;
  border-radius:12px;
  background:linear-gradient(135deg,var(--lime),#9CD02C);
  color:#0B0F0D;
  font-weight:800;
  font-size:14px;
  letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.brand-name{font-weight:700;color:#fff;font-size:15px;white-space:nowrap;}
.brand-sub{font-size:12px;color:#7E8A83;white-space:nowrap;}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.nav-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;
  border-radius:10px;
  color:#9BA69F;
  font-size:15px;
  transition:color .2s,background .2s;
}
.nav-link svg{width:18px;height:18px;flex:0 0 auto;opacity:.9;}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-link.active{color:#fff;font-weight:600;background:rgba(199,240,74,.10);}
.nav-link.active::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--lime);
}
.side-cta{
  margin-top:26px;
  padding:18px;
  border-radius:16px;
  background:linear-gradient(160deg,#1D2521,#121815);
  border:1px solid rgba(199,240,74,.18);
}
.side-cta strong{display:block;color:#fff;font-size:14.5px;}
.side-cta p{font-size:12.8px;color:#8B968F;margin:6px 0 14px;line-height:1.6;}
.side-version{display:block;margin-top:10px;font-size:12px;color:#6F7A73;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:700;
  cursor:pointer;
  transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s;
}
.btn-primary{background:var(--lime);color:#0B0F0D;box-shadow:0 8px 22px rgba(199,240,74,.22);}
.btn-primary:hover{background:var(--lime-hover);transform:translateY(-1px);box-shadow:0 12px 28px rgba(199,240,74,.34);}
.btn-primary:active{transform:translateY(0);background:#B2DA3B;box-shadow:none;}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:transparent;}
.btn-ghost:hover{border-color:var(--lime);background:rgba(199,240,74,.10);color:#fff;}
.btn-lg{height:54px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;height:46px;font-size:14.5px;}

/* ============ 移动端顶栏 ============ */
.mobile-bar{display:none;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,15,13,.72);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;z-index:85;
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* ============ 主区 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;background:var(--paper);}
.main > main{flex:1;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,15,13,.96) 0%,rgba(11,15,13,.82) 46%,rgba(11,15,13,.58) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;
  padding:52px 0 56px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#8E9A93;}
.crumb a:hover{color:var(--lime);}
.crumb i{font-style:normal;color:#5B665F;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  margin:18px 0 14px;padding:6px 14px;border-radius:999px;
  background:rgba(199,240,74,.14);border:1px solid rgba(199,240,74,.35);
  color:var(--lime);font-size:12.5px;font-weight:700;
}
.hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.14;font-weight:800;letter-spacing:-.5px;
}
.hero h1 .hl{color:var(--lime);}
.hero-lead{
  margin-top:18px;max-width:580px;
  font-size:16px;line-height:1.85;color:#C3CCC6;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-note{margin-top:18px;font-size:13px;color:#8B968F;}

.hero-card{
  background:rgba(21,27,24,.88);
  border:1px solid rgba(199,240,74,.18);
  border-radius:20px;
  padding:22px 22px 18px;
  box-shadow:0 20px 50px rgba(0,0,0,.35);
}
.hc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.hc-title{color:#fff;font-size:15px;font-weight:700;}
.live-dot{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--lime);}
.live-dot::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);
  animation:pulse 1.9s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(199,240,74,.55);}
  70%{box-shadow:0 0 0 9px rgba(199,240,74,0);}
  100%{box-shadow:0 0 0 0 rgba(199,240,74,0);}
}
.hc-list li{
  display:flex;align-items:center;gap:12px;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.10);
}
.hc-list li:last-child{border-bottom:0;}
.hc-time{width:44px;font-size:13px;color:#8E9A93;font-variant-numeric:tabular-nums;}
.hc-info{min-width:0;}
.hc-info strong{display:block;color:#fff;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.hc-info em{font-style:normal;font-size:12.5px;color:#7E8A83;}
.hc-score{margin-left:auto;font-size:15px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;}
.hc-foot{margin-top:14px;font-size:12.5px;color:#7E8A83;}

/* ============ 数据条 ============ */
.stat-strip{background:var(--ink);border-top:1px solid rgba(255,255,255,.07);padding:24px 0;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stat-item{display:flex;flex-direction:column;gap:4px;}
.stat-item b{font-size:25px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}
.stat-item b i{font-style:normal;font-size:14px;font-weight:700;color:var(--lime);margin-left:3px;}
.stat-item span{font-size:13.5px;color:#8B968F;}

/* ============ 通用板块 ============ */
.section{padding:78px 0;}
.section.tight{padding:58px 0;}
.section-head{max-width:740px;margin-bottom:38px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:#5A6B4E;text-transform:uppercase;
}
.section-title{font-size:clamp(23px,2.9vw,32px);line-height:1.28;font-weight:800;margin:10px 0 12px;}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.82;}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(199,240,74,.9);}

/* 卖点 2×2 */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.value-card{padding:26px;display:flex;gap:18px;align-items:flex-start;}
.value-ico{
  width:46px;height:46px;flex:0 0 auto;border-radius:13px;
  background:rgba(199,240,74,.22);color:#3E5A0A;
  display:flex;align-items:center;justify-content:center;
}
.value-ico svg{width:22px;height:22px;}
.value-card h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.value-card p{color:var(--muted);font-size:14.6px;line-height:1.75;}

/* 数据带 */
.data-band{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#0B0F0D 0%,#141B17 58%,#0E1411 100%);
  border:1px solid rgba(199,240,74,.14);
  border-radius:26px;
  padding:38px 38px 32px;
  color:#E6EDE7;
}
.data-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(199,240,74,.16),transparent 68%);
  pointer-events:none;
}
.band-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.band-eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--lime);}
.band-title{font-size:clamp(21px,2.6vw,28px);font-weight:800;color:#fff;margin-top:8px;}
.band-link{font-size:14px;font-weight:600;color:var(--lime);}
.band-link:hover{color:var(--lime-hover);}
.band-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;position:relative;z-index:2;}
.rank-head,.rank-row{display:grid;grid-template-columns:36px 1fr 58px 66px 72px;gap:12px;align-items:center;}
.rank-head{padding-bottom:10px;font-size:12.5px;color:#7E8A83;letter-spacing:.06em;}
.rank-row{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:14px;}
.rank-row:last-child{border-bottom:0;}
.rank-no{
  width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;color:#C9D2CC;
}
.rank-row.top .rank-no{background:var(--lime);color:#0B0F0D;}
.rank-name{color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-col{color:#8E9A93;font-variant-numeric:tabular-nums;}
.rank-pts{color:var(--lime);font-weight:700;font-variant-numeric:tabular-nums;text-align:right;}
.rank-head span:last-child,.rank-head span:nth-child(3),.rank-head span:nth-child(4){text-align:right;}
.stage{margin-bottom:20px;}
.stage-top{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin-bottom:8px;color:#C9D2CC;}
.stage-top b{color:#fff;font-variant-numeric:tabular-nums;}
.bar{height:8px;border-radius:99px;background:rgba(255,255,255,.10);overflow:hidden;}
.bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--lime),#9ED12F);}
.band-note{margin-top:22px;padding-top:18px;border-top:1px dashed rgba(255,255,255,.12);font-size:13px;color:#8B968F;line-height:1.75;}

/* 资讯网格 */
.tag-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--muted);font-size:13.5px;font-weight:600;
  cursor:pointer;transition:.2s;
}
.tag:hover{border-color:var(--lime);color:var(--text);}
.tag.active{background:var(--lime);border-color:var(--lime);color:#0B0F0D;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;overflow:hidden;padding:0;}
.news-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7EBE3;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.news-card:hover .news-media img{transform:scale(1.06);}
.badge-cat{
  position:absolute;left:14px;top:14px;
  padding:5px 11px;border-radius:999px;
  background:rgba(11,15,13,.84);color:var(--lime);
  font-size:12px;font-weight:700;
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17.5px;line-height:1.48;font-weight:700;}
.news-body p{color:var(--muted);font-size:14.4px;line-height:1.74;flex:1;}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:#8B968F;
}
.news-meta .more{color:#3E5A0A;font-weight:700;}

/* 编辑推荐 */
.feature{
  display:grid;grid-template-columns:1.05fr .95fr;
  overflow:hidden;border-radius:22px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:border-color .22s,box-shadow .22s;
}
.feature:hover{border-color:rgba(199,240,74,.9);box-shadow:var(--shadow-hover);}
.feature-media{position:relative;min-height:340px;overflow:hidden;background:#E7EBE3;}
.feature-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.feature-body{padding:42px 40px;display:flex;flex-direction:column;gap:14px;justify-content:center;}
.feature-body h3{font-size:clamp(21px,2.4vw,27px);line-height:1.36;font-weight:800;}
.feature-body p{color:var(--muted);font-size:15px;line-height:1.82;}
.feature-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:#8B968F;}

/* 下载 CTA */
.cta-panel{
  position:relative;overflow:hidden;
  padding:46px;
  border-radius:26px;
  background:linear-gradient(135deg,#0B0F0D 0%,#18211C 62%,#101613 100%);
  border:1px solid rgba(199,240,74,.16);
  color:#fff;
}
.cta-panel::before{
  content:"";position:absolute;left:-60px;bottom:-120px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(255,106,42,.18),transparent 68%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.cta-panel h2{font-size:clamp(23px,2.9vw,32px);line-height:1.3;font-weight:800;}
.cta-panel .cta-desc{margin-top:14px;color:#B9C3BD;font-size:15.5px;line-height:1.82;max-width:560px;}
.dl-group{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.dl-btn{
  display:inline-flex;align-items:center;gap:10px;
  height:48px;padding:0 20px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
  font-size:14.5px;font-weight:600;color:#fff;
  transition:.2s;
}
.dl-btn svg{width:17px;height:17px;}
.dl-btn:hover{border-color:var(--lime);background:rgba(199,240,74,.10);transform:translateY(-1px);}
.dl-btn.primary{
  height:56px;padding:0 26px;font-size:16px;font-weight:700;
  background:var(--lime);color:#0B0F0D;border-color:var(--lime);
  box-shadow:0 10px 26px rgba(199,240,74,.24);
}
.dl-btn.primary:hover{background:var(--lime-hover);box-shadow:0 14px 32px rgba(199,240,74,.34);}
.safe-tip{margin-top:18px;font-size:13px;color:#8B968F;display:flex;align-items:center;gap:8px;}
.safe-tip b{color:var(--lime);font-weight:700;}
.qr-card{
  background:rgba(21,27,24,.9);
  border:1px solid rgba(255,255,255,.10);
  border-radius:20px;padding:22px;
  text-align:center;
}
.qr-box{width:138px;height:138px;margin:0 auto;border-radius:14px;background:#fff;padding:10px;}
.qr-code{
  width:100%;height:100%;
  background:
    conic-gradient(#0B0F0D 0 25%,#ffffff 0 50%,#0B0F0D 0 75%,#ffffff 0) 0 0/13px 13px;
  border-radius:6px;
}
.qr-card p{margin-top:14px;font-size:13px;color:#8B968F;line-height:1.7;}
.qr-card strong{display:block;color:#fff;font-size:14.5px;margin-bottom:4px;}
.subscribe{margin-top:22px;padding-top:20px;border-top:1px dashed rgba(255,255,255,.14);text-align:left;}
.subscribe label{display:block;font-size:13px;color:#B9C3BD;margin-bottom:10px;}
.form-row{display:flex;gap:10px;}
.form-row input[type="email"]{
  flex:1;height:48px;padding:0 15px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.96);
  color:var(--text);font-size:14.5px;transition:.2s;
}
.form-row input[type="email"]:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(199,240,74,.25);
}
.form-row button{height:48px;padding:0 20px;font-size:14.5px;}
.form-hint{margin-top:10px;font-size:12.5px;color:#7E8A83;}
.form-hint.err{color:var(--orange);}

/* FAQ */
.faq-wrap{max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:#fff;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(199,240,74,.9);box-shadow:var(--shadow);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{font-size:20px;line-height:1;color:#8B968F;transition:transform .25s,color .25s;}
.faq-item[open] summary .plus{transform:rotate(45deg);color:#0B0F0D;}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:15px;bottom:15px;
  width:3px;border-radius:0 3px 3px 0;background:var(--lime);
}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.82;}

/* 返回入口 */
.back-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.back-card{
  display:flex;flex-direction:column;gap:6px;
  padding:22px;border-radius:16px;background:#fff;border:1px solid var(--line);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.back-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow);}
.back-card strong{font-size:16px;font-weight:700;}
.back-card span{font-size:13.5px;color:var(--muted);line-height:1.65;}
.back-card em{font-style:normal;margin-top:6px;font-size:13px;font-weight:700;color:#3E5A0A;}

/* 页脚 */
.site-footer{background:var(--ink);color:#9BA69F;margin-top:70px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:38px;padding:56px 0 30px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{width:36px;height:36px;font-size:12.5px;border-radius:11px;}
.footer-brand strong{font-size:15.5px;}
.footer-about{font-size:14px;line-height:1.82;color:#8B968F;max-width:420px;}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;font-size:14px;}
.footer-col a{transition:color .2s;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding:18px 0 28px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#7E8A83;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-inner{gap:38px;}
  .band-grid{gap:28px;}
}
@media (max-width:1023px){
  .sidebar{transform:translateX(-100%);transition:transform .3s ease;box-shadow:none;}
  .sidebar.open{transform:none;box-shadow:0 0 48px rgba(0,0,0,.55);}
  .main{margin-left:0;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    height:62px;padding:0 20px;background:var(--ink);
    border-bottom:1px solid rgba(255,255,255,.08);
    position:sticky;top:0;z-index:70;
  }
  .mobile-bar .brand{display:flex;align-items:center;gap:11px;min-width:0;}
  .mobile-bar .brand-mark{width:38px;height:38px;font-size:13px;border-radius:11px;}
  .menu-btn{
    width:42px;height:42px;flex:0 0 auto;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    border-radius:11px;border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.04);cursor:pointer;
  }
  .menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;}
  .hero-inner{grid-template-columns:1fr;padding:40px 0 46px;}
  .hero-card{max-width:560px;}
  .value-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .feature{grid-template-columns:1fr;}
  .feature-media{min-height:250px;position:relative;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .band-grid{grid-template-columns:1fr;gap:30px;}
  .back-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .section.tight{padding:44px 0;}
  .hero-inner{padding:32px 0 38px;}
  .hero h1{font-size:30px;}
  .hero-lead{font-size:15.2px;}
  .hero-actions .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .stat-item b{font-size:22px;}
  .news-grid{grid-template-columns:1fr;}
  .data-band{padding:24px 20px 22px;border-radius:20px;}
  .rank-head,.rank-row{grid-template-columns:30px 1fr 60px;}
  .rank-head span:nth-child(3),.rank-row .rank-col{display:none;}
  .rank-pts{text-align:right;}
  .cta-panel{padding:26px 22px;border-radius:20px;}
  .dl-group{flex-direction:column;}
  .dl-btn,.dl-btn.primary{width:100%;justify-content:center;}
  .form-row{flex-direction:column;}
  .form-row button{width:100%;}
  .qr-card{padding:18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category3 */
:root{
  --ink:#0B0F0D;
  --ink-2:#151B18;
  --ink-3:#1E2622;
  --lime:#C7F04A;
  --lime-hi:#D8FF6A;
  --lime-dim:#B6E03A;
  --orange:#FF6A2A;
  --bg:#F4F6F1;
  --bg-alt:#EDF1E9;
  --card:#FFFFFF;
  --text:#1C221F;
  --muted:#5E6A63;
  --muted-2:#7E8A82;
  --line:#DDE4DA;
  --danger:#D94A3A;
  --r-card:18px;
  --r-btn:11px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(11,15,13,.08);
  --sh-hover:0 12px 32px rgba(11,15,13,.14);
  --sb:264px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
main .container,.site-footer .container{width:100%;max-width:1220px;margin:0 auto;padding:0 28px;}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sb);
  background:var(--ink);color:#E8EDE7;
  padding:26px 20px 24px;display:flex;flex-direction:column;gap:24px;
  z-index:60;border-right:1px solid rgba(199,240,74,.10);overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:44px;height:44px;flex:none;border-radius:13px;background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.08em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.brand-name{font-size:16px;font-weight:700;color:#fff;white-space:nowrap;}
.brand-sub{font-size:12px;color:#8E9A92;white-space:nowrap;}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-label{font-size:12px;letter-spacing:.16em;color:#6E7A72;margin:0 0 6px 18px;}
.nav-item{
  position:relative;display:block;padding:11px 14px 11px 18px;border-radius:10px;
  font-size:15px;color:#B9C3BC;transition:background .2s,color .2s;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--lime);transition:height .2s;
}
.nav-item:hover{color:#fff;background:rgba(199,240,74,.07);}
.nav-item.active{color:#fff;background:rgba(199,240,74,.10);font-weight:600;}
.nav-item.active::before{height:20px;}
.side-cta{margin-top:auto;background:var(--ink-2);border:1px solid rgba(199,240,74,.16);border-radius:16px;padding:18px;}
.side-cta p{font-size:14px;color:#A9B4AC;margin-bottom:12px;}
.side-version{display:block;margin-top:12px;font-size:12px;line-height:1.6;color:#78847C;}

/* ---------- 移动顶栏与抽屉 ---------- */
.mobile-bar{display:none;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,15,13,.72);z-index:65;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.main-wrap{margin-left:var(--sb);min-height:100vh;display:flex;flex-direction:column;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s,background .18s,box-shadow .18s,border-color .18s,color .18s;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-hi);transform:translateY(-1px);box-shadow:0 10px 24px rgba(199,240,74,.28);}
.btn-primary:active{transform:translateY(0);background:var(--lime-dim);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(199,240,74,.08);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--lime);background:rgba(199,240,74,.10);}
.btn-lg{height:54px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:66px 0 58px;min-height:400px;display:flex;align-items:center;
  background:
    linear-gradient(100deg,rgba(11,15,13,.97) 0%,rgba(11,15,13,.82) 48%,rgba(11,15,13,.60) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(199,240,74,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(199,240,74,.06) 1px,transparent 1px);
  background-size:64px 64px;mask-image:linear-gradient(90deg,rgba(0,0,0,.9),transparent 70%);
}
.hero-inner{position:relative;z-index:2;max-width:840px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--lime);
  border:1px solid rgba(199,240,74,.42);background:rgba(199,240,74,.08);
  padding:6px 14px;border-radius:var(--r-pill);
}
.hero h1{font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.14;margin:18px 0 16px;}
.hero-sub{font-size:17px;color:#C6CFC9;max-width:660px;margin-bottom:26px;}
.search-box{
  display:flex;gap:10px;align-items:center;max-width:620px;padding:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:16px;transition:border-color .2s,box-shadow .2s;
}
.search-box:focus-within{border-color:var(--lime);box-shadow:0 0 0 4px rgba(199,240,74,.18);}
.search-box input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff;padding:10px 12px;font-size:15px;}
.search-box input::placeholder{color:#93A09A;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.chip{
  font-size:13px;color:#D6DFD8;border:1px solid rgba(255,255,255,.2);
  padding:6px 13px;border-radius:var(--r-pill);transition:border-color .2s,color .2s,background .2s;
}
.chip:hover{border-color:var(--lime);color:var(--lime);background:rgba(199,240,74,.08);}

/* ---------- 板块 ---------- */
.section{padding:70px 0;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-white{background:#FBFCF8;}
.section-head{max-width:680px;margin-bottom:36px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--muted-2);margin-bottom:12px;}
.eyebrow::before{content:"";display:inline-block;width:22px;height:2px;background:var(--lime);vertical-align:middle;margin-right:10px;}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:700;}
.section-desc{color:var(--muted);font-size:16px;margin-top:12px;}

/* ---------- 问题分类卡片 ---------- */
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.help-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;display:flex;flex-direction:column;gap:10px;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.help-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--sh-hover);}
.help-num{font-size:13px;font-weight:800;letter-spacing:.14em;color:#9AA79E;font-variant-numeric:tabular-nums;}
.help-card h3{font-size:20px;font-weight:700;}
.help-card p{color:var(--muted);font-size:15px;}
.help-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;justify-content:space-between;font-size:13px;color:var(--muted-2);
}

/* ---------- 步骤条 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;
}
.step{padding:28px 24px;border-right:1px solid var(--line);}
.step:last-child{border-right:0;}
.step-no{font-size:34px;font-weight:800;line-height:1;color:#D9E2D6;font-variant-numeric:tabular-nums;}
.step h3{font-size:18px;margin:14px 0 8px;}
.step p{font-size:14.5px;color:var(--muted);}

/* ---------- 专题卡片 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.topic-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.topic-card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--sh-hover);}
.topic-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-2);}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.05);}
.topic-tag{
  position:absolute;left:14px;top:14px;font-size:12px;font-weight:600;
  background:rgba(11,15,13,.78);color:var(--lime);padding:4px 12px;border-radius:var(--r-pill);
}
.topic-body{padding:22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.topic-body h3{font-size:18px;}
.topic-body p{font-size:14.5px;color:var(--muted);}
.topic-link{margin-top:auto;padding-top:12px;font-size:14px;font-weight:600;color:var(--ink);}
.topic-link span{color:var(--orange);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 22px;align-items:start;}
.faq-col{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--line);
  border-radius:14px;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-left-color:var(--lime);box-shadow:var(--sh);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 54px 18px 20px;font-size:17px;font-weight:600;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--muted-2);transition:transform .2s,color .2s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--orange);}
.faq-a{padding:0 22px 20px;font-size:15px;color:var(--muted);}
.faq-a p + p{margin-top:10px;}
.faq-tip{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  background:var(--ink);color:#D3DCD5;border-radius:16px;padding:18px 22px;
}
.faq-tip strong{color:#fff;}
.faq-tip .btn{margin-left:auto;}

/* ---------- 服务数据与反馈 ---------- */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:32px;}
.stat{background:var(--ink);color:#fff;border-radius:16px;padding:24px 20px;}
.stat b{display:block;font-size:28px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;}
.stat span{font-size:13.5px;color:#98A49C;}
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.review{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;}
.review:nth-child(even){transform:translateY(18px);}
.review p{font-size:15px;color:#333B36;}
.review-foot{margin-top:14px;display:flex;justify-content:space-between;font-size:13px;color:var(--muted-2);}
.review-stars{color:var(--orange);letter-spacing:2px;}

/* ---------- 表单 ---------- */
.form-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--sh);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;background:#FAFBF7;border:1px solid var(--line);border-radius:11px;
  padding:12px 14px;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--lime);background:#fff;box-shadow:0 0 0 4px rgba(199,240,74,.25);
}
.field textarea{min-height:126px;resize:vertical;}
.field .hint{font-size:13px;color:var(--muted-2);margin-top:6px;}
.form-msg{margin-top:14px;font-size:14px;color:#3F7A28;min-height:22px;}
.side-panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px;}
.side-panel h3{font-size:18px;margin-bottom:14px;}
.side-panel ul{display:flex;flex-direction:column;gap:12px;font-size:14.5px;color:var(--muted);}
.side-panel li{position:relative;padding-left:20px;}
.side-panel li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:3px;
  background:var(--lime);border:1px solid #A9CE3A;
}
.side-panel .contact-line{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:14px;color:var(--muted);line-height:1.8;
}

/* ---------- CTA ---------- */
.cta-band{
  color:#fff;border-radius:24px;padding:52px 44px;
  display:grid;grid-template-columns:1.5fr auto;gap:28px;align-items:center;
  background:
    radial-gradient(120% 150% at 88% 8%,rgba(199,240,74,.22),transparent 58%),
    radial-gradient(80% 120% at 4% 96%,rgba(255,106,42,.16),transparent 60%),
    var(--ink);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.cta-band p{color:#B7C1BA;font-size:15.5px;margin-top:12px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9C3BC;padding:58px 0 28px;border-top:1px solid rgba(199,240,74,.12);margin-top:auto;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;color:#fff;}
.footer-brand strong{font-size:16px;}
.footer-about{font-size:14px;line-height:1.85;color:#8E9A92;max-width:330px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-col a{color:#B9C3BC;transition:color .2s;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7C8880;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .help-grid,.topic-grid{grid-template-columns:repeat(2,1fr);}
  .stats-row{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .sidebar{
    width:280px;transform:translateX(-102%);
    transition:transform .28s ease;box-shadow:0 0 44px rgba(0,0,0,.45);
  }
  .sidebar.open{transform:translateX(0);}
  .mobile-bar{
    display:flex;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
    align-items:center;justify-content:space-between;padding:0 18px;
    background:rgba(11,15,13,.96);border-bottom:1px solid rgba(199,240,74,.14);
  }
  .mobile-bar .brand-mark{width:38px;height:38px;border-radius:11px;font-size:12px;}
  .mobile-bar .brand-name{font-size:15px;}
  .mobile-bar .brand-sub{font-size:11px;}
  .menu-btn{
    width:44px;height:44px;border-radius:11px;border:1px solid rgba(199,240,74,.32);
    background:transparent;display:grid;gap:5px;place-content:center;cursor:pointer;
  }
  .menu-btn span{display:block;width:18px;height:2px;background:var(--lime);border-radius:2px;}
  .main-wrap{margin-left:0;padding-top:64px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2){border-right:0;}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line);}
  .faq-grid{grid-template-columns:1fr;}
  .form-wrap{grid-template-columns:1fr;}
  .review:nth-child(even){transform:none;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .hero{min-height:auto;padding:52px 0 48px;}
}
@media (max-width:768px){
  .review-grid{grid-template-columns:1fr;}
  .section{padding:54px 0;}
  .search-box{flex-direction:column;align-items:stretch;padding:12px;}
  .search-box .btn{width:100%;}
  .faq-tip{flex-direction:column;align-items:flex-start;}
  .faq-tip .btn{margin-left:0;width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media (max-width:560px){
  .help-grid,.topic-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:0;border-bottom:1px solid var(--line);}
  .step:last-child{border-bottom:0;}
  .stats-row{grid-template-columns:1fr 1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .hero h1{font-size:28px;}
}