/* roulang page: index */
:root{
  --base-0:#060F14;
  --base-1:#0A1A20;
  --panel:rgba(255,255,255,.055);
  --panel-solid:#0C2028;
  --line:rgba(126,232,214,.16);
  --line-strong:rgba(126,232,214,.42);
  --line-amber:rgba(255,180,58,.38);
  --primary:#16C79A;
  --primary-hover:#0FB08A;
  --primary-dark:#0B7C63;
  --primary-soft:rgba(22,199,154,.12);
  --secondary:#FFB43A;
  --secondary-soft:rgba(255,180,58,.14);
  --accent:#FF6A5E;
  --ok:#2ED47A;
  --warn:#FFC24B;
  --err:#FF6A5E;
  --text:#EAF6F4;
  --text-2:#9DB4B6;
  --text-3:#6C8489;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:12px;
  --r-xs:10px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-cta:0 0 0 1px rgba(255,180,58,.5), 0 8px 28px rgba(255,180,58,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"SF Mono",Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--base-0);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-hover)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:0}
.container{max-width:1240px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}
.grid{display:grid;gap:22px}
.g-12{grid-template-columns:repeat(12,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.col-2{grid-column:span 2}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:var(--r-sm);font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;border:1px solid transparent;transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);white-space:nowrap}
.btn-primary{background:var(--secondary);color:#22160A;box-shadow:var(--shadow-cta)}
.btn-primary:hover{background:#FFC65E;color:#22160A;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,180,58,.6),0 12px 32px rgba(255,180,58,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,180,58,.5),0 4px 14px rgba(255,180,58,.22)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-hover);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:36px;padding:0 18px;font-size:14px;border-radius:var(--r-xs)}
.btn-lg{height:52px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.link-more{color:var(--primary);font-size:14px;font-weight:600;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;transition:text-decoration-color .2s var(--ease),color .2s var(--ease)}
.link-more:hover{color:var(--primary-hover);text-decoration-color:currentColor}
.link-more::after{content:" →";font-family:var(--mono)}

/* ---------- 徽标 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.05em;line-height:1}
.badge-primary{background:var(--primary-soft);color:var(--primary)}
.badge-amber{background:var(--secondary-soft);color:var(--secondary)}
.badge-accent{background:rgba(255,106,94,.16);color:var(--accent)}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;height:68px;display:flex;align-items:center;background:rgba(6,15,20,.72);-webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);border-bottom:1px solid transparent;transition:background-color .2s var(--ease),border-color .2s var(--ease)}
.site-header.is-stuck{background:rgba(6,15,20,.94);border-bottom-color:var(--line)}
.hdr-inner{display:flex;align-items:center;gap:24px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:28px;height:28px;color:var(--primary);flex:0 0 28px}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-xs);font-size:15px;font-weight:500;color:var(--text-2);transition:color .2s var(--ease),background-color .2s var(--ease)}
.nav-link:hover{color:var(--text);background:rgba(22,199,154,.10)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--primary)}
.nav-cta{flex:0 0 auto}
.hamburger{display:none;width:42px;height:42px;border-radius:var(--r-xs);border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.55);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:rgba(9,22,28,.96);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-left:1px solid var(--line);transform:translateX(102%);transition:transform .28s var(--ease);z-index:100;display:flex;flex-direction:column;padding:22px 20px}
.drawer.is-open{transform:translateX(0)}
.drawer-title{font-size:13px;letter-spacing:.12em;color:var(--text-3);margin-bottom:14px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;height:48px;padding:0 12px;font-size:15px;color:var(--text-2);border-left:3px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
.drawer-nav a:hover{color:var(--text);background:rgba(22,199,154,.08)}
.drawer-nav a.active{color:var(--primary);border-left-color:var(--primary);background:rgba(22,199,154,.08)}
.drawer-foot{margin-top:auto;padding-top:18px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:150px 0 92px;background:radial-gradient(1100px 560px at 76% 8%,rgba(22,199,154,.10),transparent 62%),linear-gradient(180deg,#060F14 0%,#08181E 100%)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.32;filter:saturate(.9)}
.hero-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,15,20,.95) 0%,rgba(6,15,20,.74) 46%,rgba(6,15,20,.88) 100%)}
.hero-grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;opacity:.55}
.hero-inner{position:relative;z-index:2;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--panel);font-size:12px;letter-spacing:.06em;color:var(--text-2)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(22,199,154,.16)}
.hero h1{margin-top:20px;font-size:42px;line-height:1.3;font-weight:700;letter-spacing:-.01em;max-width:640px}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero-stats li{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.05)}
.hero-stats .stat-k{font-size:12px;color:var(--text-3)}
.hero-stats .stat-v{font-size:13px;color:var(--text);font-family:var(--mono)}
.hero-art{position:relative}
.art-frame{position:relative;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--panel-solid);box-shadow:var(--shadow-card)}
.art-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.art-badge{position:absolute;left:18px;bottom:18px;display:flex;flex-direction:column;gap:2px;padding:10px 16px;border-radius:var(--r-sm);background:rgba(6,15,20,.82);border:1px solid var(--line-amber);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.art-badge-k{font-size:11px;letter-spacing:.08em;color:var(--text-3)}
.art-badge strong{font-size:17px;color:var(--secondary);font-family:var(--mono)}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;position:relative}
.section-alt{background:var(--base-1);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:26px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.sec-sub{margin-top:8px;font-size:14px;color:var(--text-3)}
.sec-head-center{flex-direction:column;align-items:center;text-align:center}

/* ---------- 资源卡 ---------- */
.res-grid{margin-left:-11px;margin-right:-11px}
.res-grid > .columns{padding-left:11px;padding-right:11px;margin-bottom:22px}
.res-card{position:relative;display:flex;flex-direction:column;height:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.res-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 10px 30px rgba(22,199,154,.14),inset 0 1px 0 rgba(255,255,255,.06)}
.res-feature{padding:0}
.res-feature .thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(22,199,154,.08)}
.res-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.res-feature:hover .thumb img{transform:scale(1.03)}
.res-body{padding:22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.res-title{font-size:18px;font-weight:700;line-height:1.4}
.res-title-sm{font-size:16px;font-weight:700;line-height:1.4}
.res-desc{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.res-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3);font-family:var(--mono)}
.res-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.res-chips{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rating{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.rating-num{font-size:16px;color:var(--secondary);font-family:var(--mono);font-weight:700}
.rating-bar{flex:1;height:5px;border-radius:3px;background:rgba(255,255,255,.08);overflow:hidden;max-width:180px}
.rating-bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
.res-foot{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.06)}
.res-card-plain{padding:20px}
.res-icon{width:64px;height:64px;border-radius:var(--r-sm);overflow:hidden;background:rgba(22,199,154,.08);border:1px solid var(--line);flex:0 0 64px}
.res-icon img{width:100%;height:100%;object-fit:cover}
.res-head{display:flex;align-items:center;gap:14px}
.res-arrow{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);color:var(--primary);font-size:14px;transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.res-card:hover .res-arrow{background:var(--primary-soft);border-color:var(--line-strong);transform:translateX(2px)}
.res-tail{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid rgba(255,255,255,.06);font-size:13px;color:var(--text-3);font-family:var(--mono)}

/* ---------- 能力区 ---------- */
.feat-row{align-items:center}
.feat-row + .feat-row{margin-top:56px;padding-top:56px;border-top:1px solid rgba(255,255,255,.06)}
.feat-copy h3{font-size:20px;font-weight:700;line-height:1.45}
.feat-copy p{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:520px}
.dot-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.dot-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.dot-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;border-radius:2px;background:var(--primary)}
.feat-art{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--panel-solid)}
.feat-art img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- 资讯（CMS） ---------- */
.news-grid{align-items:start}
.news-lead{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .2s var(--ease),border-color .2s var(--ease)}
.news-lead:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.news-lead-link{display:block;color:var(--text)}
.news-lead-link:hover{color:var(--text)}
.news-lead .thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(22,199,154,.08)}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover}
.news-lead-inner{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px}
.news-lead h3{font-size:19px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead p{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);overflow:hidden}
.news-list li + li{border-top:1px solid rgba(255,255,255,.06)}
.news-list a{display:flex;align-items:center;gap:14px;padding:16px 18px;color:var(--text);transition:background-color .2s var(--ease)}
.news-list a:hover{background:rgba(22,199,154,.06);color:var(--text)}
.news-thumb{width:96px;height:72px;flex:0 0 96px;border-radius:var(--r-xs);overflow:hidden;background:rgba(22,199,154,.08)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1}
.news-title{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{font-size:13px;color:var(--text-3)}
.news-arrow{color:var(--primary);font-family:var(--mono);flex:0 0 auto}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:12px;padding:48px 20px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--panel)}
.empty-icon{width:48px;height:48px;color:rgba(22,199,154,.6)}
.empty-title{font-size:15px;color:var(--text-2)}

/* ---------- 评价轮播 ---------- */
.rev-wrap{position:relative}
.rev-viewport{position:relative;overflow:hidden}
.rev-viewport::before,.rev-viewport::after{content:"";position:absolute;top:0;bottom:0;width:48px;z-index:3;pointer-events:none}
.rev-viewport::before{left:0;background:linear-gradient(90deg,var(--base-1),transparent)}
.rev-viewport::after{right:0;background:linear-gradient(270deg,var(--base-1),transparent)}
.rev-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 14px;scrollbar-width:none}
.rev-track::-webkit-scrollbar{display:none}
.rev-card{flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);display:flex;flex-direction:column;gap:14px}
.rev-top{display:flex;align-items:center;gap:12px}
.rev-avatar{width:42px;height:42px;border-radius:50%;background:var(--primary-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px;font-weight:700;flex:0 0 42px}
.rev-name{font-size:15px;font-weight:600}
.rev-device{font-size:12px;color:var(--text-3);font-family:var(--mono)}
.rev-stars{color:var(--secondary);font-size:13px;letter-spacing:.16em}
.rev-text{font-size:14px;color:var(--text-2);line-height:1.8}
.rev-ctrl{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:22px}
.rev-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.rev-btn:hover{background:var(--primary-soft);border-color:var(--line-strong);transform:translateY(-1px)}
.rev-dots{display:flex;align-items:center;gap:8px}
.rev-dot{width:8px;height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.18);transition:width .24s var(--ease),background-color .24s var(--ease)}
.rev-dot.active{width:20px;background:var(--primary)}

/* ---------- 保障条 ---------- */
.trust{border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);background:var(--panel-solid)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{display:flex;align-items:center;gap:14px;padding:26px 22px}
.trust-item + .trust-item{border-left:1px solid rgba(255,255,255,.06)}
.trust-icon{width:22px;height:22px;color:var(--primary);flex:0 0 22px}
.trust-k{font-size:15px;font-weight:600}
.trust-v{font-size:13px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s var(--ease),background-color .2s var(--ease)}
.faq-item.open{border-color:var(--line-strong);background:rgba(255,255,255,.04)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;text-align:left;padding:18px 22px;font-size:16px;font-weight:600;line-height:1.5;position:relative;transition:color .2s var(--ease)}
.faq-q:hover{color:var(--primary)}
.faq-sign{flex:0 0 auto;font-size:20px;font-family:var(--mono);color:var(--primary);line-height:1}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{padding:0 22px 22px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:720px}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;background:var(--primary)}

/* ---------- 最终 CTA ---------- */
.cta-panel{position:relative;overflow:hidden;background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:var(--r-lg);padding:44px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:var(--shadow-card)}
.cta-panel::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;border:14px dashed rgba(255,180,58,.08);opacity:1;pointer-events:none}
.cta-inner{position:relative;z-index:2;align-items:center}
.cta-panel h2{font-size:26px;font-weight:700;line-height:1.4}
.cta-panel .cta-sub{margin-top:12px;font-size:15px;color:var(--text-2)}
.cta-points{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.cta-points li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.cta-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;border-radius:2px;background:var(--secondary)}
.cta-actions{display:flex;flex-direction:column;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#040C10;border-top:1px solid rgba(126,232,214,.14);padding:64px 0 0}
.foot-grid{gap:32px}
.foot-brand-text{font-size:17px;font-weight:700}
.foot-desc{margin-top:14px;font-size:14px;color:var(--text-3);line-height:1.8;max-width:300px}
.foot-social{display:flex;gap:10px;margin-top:20px}
.foot-social a{width:36px;height:36px;border-radius:var(--r-xs);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
.foot-social a:hover{color:var(--primary);border-color:var(--line-strong);background:var(--primary-soft)}
.foot-col h4{font-size:13px;letter-spacing:.1em;color:var(--text-3);font-weight:600;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:14px;color:var(--text-2)}
.foot-col a:hover{color:var(--primary)}
.foot-info{font-size:13px;color:var(--text-3);line-height:1.9;font-family:var(--mono)}
.foot-bottom{margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.foot-bottom .mono{font-family:var(--mono)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero{padding:120px 0 72px}
  .hero h1{font-size:32px}
  .col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 12}
  .g-12{gap:18px}
  .feat-row + .feat-row{margin-top:40px;padding-top:40px}
  .feat-copy{order:1}
  .feat-art{order:2}
  .rev-card{flex:0 0 calc((100% - 20px)/2)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(3){border-left:0}
  .trust-item:nth-child(n+3){border-top:1px solid rgba(255,255,255,.06)}
  .cta-panel{padding:32px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:60px 0}
  .site-header{height:56px}
  .hdr-inner{gap:12px}
  .brand-text{font-size:15px}
  .main-nav,.nav-cta{display:none}
  .hamburger{display:flex}
  .hero{padding:104px 0 56px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .btn{height:48px;padding:0 20px}
  .btn-sm{height:38px;padding:0 16px}
  .hero-stats{gap:8px}
  .res-grid{margin-left:0;margin-right:0}
  .res-grid > .columns{padding-left:0;padding-right:0}
  .res-card-plain{flex-direction:row;align-items:flex-start;gap:14px;padding:16px}
  .res-head{flex:0 0 auto}
  .res-card-plain .res-body{padding:0;gap:8px}
  .res-card-plain .res-tail{border-top:0;padding-top:0}
  .news-thumb{width:84px;height:64px;flex:0 0 84px}
  .rev-card{flex:0 0 86%}
  .rev-viewport::before,.rev-viewport::after{width:24px}
  .trust-grid{grid-template-columns:1fr}
  .trust-item + .trust-item{border-left:0;border-top:1px solid rgba(255,255,255,.06)}
  .cta-panel{padding:26px 20px}
  .cta-panel h2{font-size:21px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --base-0:#060F14;
  --base-1:#0A1A20;
  --panel:rgba(255,255,255,.055);
  --panel-solid:#0C2028;
  --line:rgba(126,232,214,.16);
  --line-amber:rgba(255,180,58,.38);
  --primary:#16C79A;
  --primary-hover:#0FB08A;
  --primary-dark:#0B7C63;
  --primary-soft:rgba(22,199,154,.12);
  --secondary:#FFB43A;
  --accent:#FF6A5E;
  --text-main:#EAF6F4;
  --text-sub:#9DB4B6;
  --text-weak:#6C8489;
  --success:#2ED47A;
  --r-lg:16px; --r-md:14px; --r-btn:12px; --r-sm:10px; --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-cta:0 0 0 1px rgba(255,180,58,.5), 0 8px 28px rgba(255,180,58,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"SF Mono",Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:68px;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;
  color:var(--text-main);
  background-color:var(--base-0);
  background-image:
    radial-gradient(900px 420px at 12% -8%, rgba(22,199,154,.09), transparent 70%),
    radial-gradient(760px 380px at 92% 4%, rgba(255,180,58,.05), transparent 70%),
    linear-gradient(rgba(126,232,214,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,232,214,.04) 1px, transparent 1px);
  background-size:auto, auto, 48px 48px, 48px 48px;
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-hover)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:rgba(22,199,154,.32);color:var(--text-main)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:64px 0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;height:68px;background:rgba(6,15,20,.72);-webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);border-bottom:1px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease)}
.site-header.is-scrolled{background:rgba(4,11,15,.94);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-main);flex:0 0 auto}
.brand:hover{color:var(--text-main)}
.brand-mark{width:28px;height:28px;border-radius:9px;border:1px solid var(--line-amber);background:radial-gradient(circle at 50% 50%, rgba(255,180,58,.24), rgba(22,199,154,.14));display:flex;align-items:center;justify-content:center;color:var(--secondary)}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-sub);padding:10px 14px;border-radius:10px;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link:hover{color:var(--text-main);background:rgba(22,199,154,.10)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--primary)}
.nav-cta{height:36px;padding:0 20px;font-size:14px;border-radius:10px}
.nav-toggle{display:none;width:40px;height:40px;margin-left:auto;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.04);cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;background:var(--text-main);border-radius:2px;transition:transform .24s var(--ease),opacity .2s var(--ease)}
.nav-toggle span:nth-child(1){top:13px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:25px}
body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.drawer-open .nav-toggle span:nth-child(2){opacity:0}
body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:90;background:rgba(8,20,26,.94);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-left:1px solid var(--line);transform:translateX(102%);transition:transform .26s var(--ease);display:flex;flex-direction:column;padding:20px;gap:8px}
body.drawer-open .drawer{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;z-index:85;background:rgba(0,0,0,.55)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:10px}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text-sub);font-size:20px;line-height:1;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column}
.drawer-link{height:48px;display:flex;align-items:center;font-size:15px;color:var(--text-sub);border-left:3px solid transparent;padding-left:14px;border-radius:0 10px 10px 0;transition:color .2s var(--ease),background .2s var(--ease)}
.drawer-link:hover{color:var(--text-main);background:rgba(22,199,154,.08)}
.drawer-link.active{color:var(--primary);border-left-color:var(--primary);background:rgba(22,199,154,.08)}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;height:52px;padding:0 28px;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease)}
.btn-primary{background:var(--secondary);color:#1F1608;box-shadow:var(--shadow-cta)}
.btn-primary:hover{background:#FFC55E;transform:translateY(-1px);color:#1F1608}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:rgba(22,199,154,.55);color:var(--primary);background:transparent}
.btn-ghost:hover{background:rgba(22,199,154,.10);border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-text{color:var(--primary);font-size:14px;font-weight:600;padding:6px 2px;border-radius:6px}
.btn-text:hover{color:var(--primary-hover);text-decoration:underline;text-underline-offset:3px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.05em;padding:6px 10px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);border:1px solid rgba(22,199,154,.24)}
.badge-amber{background:rgba(255,180,58,.14);color:var(--secondary);border-color:rgba(255,180,58,.3)}

/* ---------- breadcrumb ---------- */
.page-head{padding:26px 0 8px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-weak)}
.crumb a{color:var(--text-weak)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(157,180,182,.5)}
.crumb .current{color:var(--text-sub);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-main{max-width:760px}
.article-head{margin-bottom:28px}
.article-head h1{font-size:clamp(26px,3vw,34px);line-height:1.35;font-weight:700;margin:16px 0 14px;letter-spacing:.01em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-weak)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(157,180,182,.5);display:inline-block}
.article-body{font-size:16px;line-height:1.85;color:var(--text-main);max-width:760px}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 16px}
.article-body h2{font-size:20px;line-height:1.45;font-weight:700;margin:40px 0 14px;padding-left:12px;border-left:3px solid var(--primary);scroll-margin-top:92px}
.article-body h3{font-size:17px;font-weight:700;margin:28px 0 12px;color:var(--text-main)}
.article-body h4{font-size:16px;font-weight:700;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 16px;padding-left:20px}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{margin:0 0 16px;padding:14px 18px;background:rgba(22,199,154,.06);border-left:3px solid var(--primary);border-radius:0 12px 12px 0;color:var(--text-sub)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:8px 0 18px}
.article-body figure{margin:20px 0}
.article-body figcaption{font-size:13px;text-align:center;color:var(--text-weak);margin-top:8px}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-hover)}
.article-body code{font-family:var(--mono);font-size:14px;background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;color:var(--secondary)}
.article-body pre{background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px;overflow:auto;margin:0 0 18px}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:rgba(255,255,255,.05);color:var(--text-main)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.empty-box{background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--r-lg);padding:48px 24px;text-align:center}
.empty-box i{font-size:48px;color:rgba(22,199,154,.6);display:block;margin-bottom:16px}
.empty-box p{font-size:15px;color:var(--text-sub);margin:0 0 8px}
.empty-box span{display:block;font-size:13px;color:var(--text-weak);margin-bottom:20px}

/* ---------- tags & post nav ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 26px;padding-top:24px;border-top:1px solid var(--line)}
.tag{font-size:12px;letter-spacing:.04em;padding:6px 12px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);border:1px solid rgba(22,199,154,.24);transition:background .2s var(--ease)}
.tag:hover{background:rgba(22,199,154,.2)}
.post-nav{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding-bottom:8px}
.post-nav .btn{height:36px;padding:0 18px;font-size:14px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:88px;display:grid;gap:18px}
.side-card{background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px}
.side-card h3{font-size:14px;font-weight:700;letter-spacing:.05em;color:var(--text-main);margin:0 0 12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.toc{display:flex;flex-direction:column}
.toc a{font-size:14px;color:var(--text-sub);line-height:1.6;padding:7px 0 7px 12px;border-left:2px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.toc a:hover{color:var(--text-main);border-left-color:rgba(22,199,154,.4)}
.toc a.is-active{color:var(--primary);border-left-color:var(--primary)}
.toc-empty{font-size:13px;color:var(--text-weak)}
.author-line{display:flex;align-items:center;gap:12px}
.author-avatar{width:40px;height:40px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 auto}
.author-line b{display:block;font-size:14px;font-weight:600}
.author-line small{font-size:12px;color:var(--text-weak)}
.side-desc{font-size:13px;line-height:1.8;color:var(--text-sub);margin:14px 0 0}
.side-links{list-style:none;margin:0;padding:0}
.side-links li{margin-bottom:10px}
.side-links li:last-child{margin-bottom:0}
.side-links a{font-size:14px;color:var(--text-sub);display:flex;align-items:center;gap:8px}
.side-links a:hover{color:var(--primary)}
.side-links i{font-size:12px;color:var(--primary)}

/* ---------- related ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.sec-head h2{font-size:24px;font-weight:700;margin:0 0 6px}
.sec-head p{font-size:14px;color:var(--text-sub);margin:0}
.rel-card{display:flex;flex-direction:column;height:100%;background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(22,199,154,.45);box-shadow:0 10px 30px rgba(22,199,154,.14)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(22,199,154,.08)}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:18px 20px 20px}
.rel-body h3{font-size:17px;line-height:1.5;margin:10px 0 8px;color:var(--text-main)}
.rel-body p{font-size:14px;line-height:1.75;color:var(--text-sub);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-time{font-size:13px;color:var(--text-weak)}
.grid.g-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.col-4{grid-column:span 4}
.col-3{grid-column:span 3}
.col-2{grid-column:span 2}
.col-6{grid-column:span 6}

/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;padding:44px;border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(120deg,rgba(22,199,154,.10),rgba(255,180,58,.06));box-shadow:var(--shadow-card)}
.cta-panel h2{font-size:26px;line-height:1.4;margin:0 0 12px}
.cta-panel p{font-size:15px;color:var(--text-sub);margin:0 0 18px;max-width:520px}
.cta-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.cta-list li{font-size:14px;color:var(--text-sub);display:flex;align-items:center;gap:10px}
.cta-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);flex:0 0 auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.chip-ring{position:absolute;right:-70px;top:-80px;width:260px;height:260px;border-radius:50%;border:14px dashed rgba(255,180,58,.10);opacity:.9;pointer-events:none}

/* ---------- footer ---------- */
.site-footer{background:#040B0F;border-top:1px solid var(--line);padding:64px 0 24px;margin-top:72px}
.foot-grid{row-gap:32px}
.foot-brand-text{font-size:18px;font-weight:700;color:var(--text-main)}
.foot-desc{font-size:14px;color:var(--text-sub);line-height:1.8;margin:12px 0 16px;max-width:320px}
.foot-social{display:flex;gap:10px}
.foot-social a{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-sub);transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease)}
.foot-social a:hover{color:var(--primary);border-color:rgba(22,199,154,.5);background:rgba(22,199,154,.08)}
.foot-col h4{font-size:15px;font-weight:700;margin:0 0 14px;color:var(--text-main)}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14px;color:var(--text-sub)}
.foot-col a:hover{color:var(--primary)}
.foot-info{font-size:13px;color:var(--text-weak);line-height:1.9;font-family:var(--mono);margin:0}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid var(--line);margin-top:40px;padding-top:20px;font-size:13px;color:var(--text-weak)}

@media screen and (max-width:1024px){
  .site-header{height:56px}
  body{padding-top:56px}
  .header-inner{height:56px}
  .brand-text{font-size:16px}
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:block}
  .container{padding:0 24px}
  .section{padding:56px 0}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-main{max-width:100%}
  .article-side{position:static}
  .side-card{background:var(--panel-solid)}
  .cta-panel{grid-template-columns:1fr;padding:32px}
  .cta-actions{justify-content:flex-start}
  .col-4,.col-3,.col-2,.col-6{grid-column:span 6}
}
@media screen and (max-width:640px){
  body{padding-top:56px}
  .container{padding:0 18px}
  .section{padding:44px 0}
  .page-head{padding:16px 0 4px}
  .article-head h1{font-size:26px}
  .article-body{font-size:15.5px}
  .crumb .current{max-width:70vw}
  .grid.g-12{gap:14px}
  .col-4,.col-3,.col-2,.col-6{grid-column:span 12}
  .cta-panel{padding:24px 20px;border-radius:var(--r-md)}
  .cta-panel h2{font-size:21px}
  .btn{width:100%}
  .post-nav .btn,.rel-body .btn-text{width:auto}
  .foot-bottom{font-size:12px}
}
@media screen and (min-width:1440px){
  .container{max-width:1280px}
}

/* roulang page: category1 */
:root{
  --base-0:#060F14;
  --base-1:#0A1A20;
  --panel:rgba(255,255,255,.055);
  --panel-solid:#0C2028;
  --line:rgba(126,232,214,.16);
  --line-amber:rgba(255,180,58,.38);
  --primary:#16C79A;
  --primary-hover:#0FB08A;
  --primary-dark:#0B7C63;
  --primary-soft:rgba(22,199,154,.12);
  --secondary:#FFB43A;
  --accent:#FF6A5E;
  --text:#EAF6F4;
  --text-2:#9DB4B6;
  --text-3:#6C8489;
  --r-card:16px;
  --r-sm:14px;
  --r-btn:12px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-cta:0 0 0 1px rgba(255,180,58,.5), 0 8px 28px rgba(255,180,58,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"SF Mono",Consolas,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--base-0);color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:15px;line-height:1.8;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-hover)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
@media(min-width:1440px){.container{max-width:1280px}}
@media(max-width:640px){.container{padding:0 18px}}

/* ---------- 栅格 ---------- */
.grid{display:grid;gap:24px}
.g-12{grid-template-columns:repeat(12,minmax(0,1fr))}
.col-2{grid-column:span 2}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}
@media(max-width:900px){
  .col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 12}
}
@media(max-width:640px){.grid{gap:14px}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:rgba(6,15,20,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,15,20,.94);border-bottom-color:var(--line)}
.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:28px;height:28px;flex:0 0 28px}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:rgba(22,199,154,.10);color:var(--text)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:18px;height:2px;border-radius:2px;background:var(--primary);
}
.header-right{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;
  padding:0 28px;height:52px;line-height:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-amber{background:var(--secondary);color:#1A1204;box-shadow:var(--shadow-cta)}
.btn-amber:hover{background:#FFC65E;color:#1A1204;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,180,58,.6),0 12px 34px rgba(255,180,58,.34)}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid rgba(22,199,154,.55)}
.btn-ghost:hover{background:rgba(22,199,154,.10);border-color:var(--primary);color:var(--primary-hover)}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:10px}
.btn-lg{height:52px}
.btn-nav{height:36px;padding:0 18px;font-size:14px;border-radius:10px}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:860px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .btn-nav{display:none}
}
@media(max-width:640px){
  .header-inner{height:56px}
  .brand-text{font-size:15px}
}
/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);z-index:90;
  background:rgba(8,20,26,.95);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:22px 18px;gap:4px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-title{font-size:13px;color:var(--text-3);letter-spacing:.08em;padding:4px 10px 12px}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-link:hover{background:rgba(22,199,154,.10);color:var(--text)}
.drawer-link.active{color:var(--primary);border-left-color:var(--primary);background:rgba(22,199,154,.08)}
.drawer-foot{margin-top:auto;padding-top:18px}
.drawer-foot .btn{width:100%}

/* ---------- 小 Hero ---------- */
.cat-hero{
  position:relative;padding:146px 0 56px;min-height:262px;
  background-image:linear-gradient(180deg,rgba(6,15,20,.86) 0%,rgba(6,15,20,.66) 42%,rgba(6,15,20,.96) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(126,232,214,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(126,232,214,.045) 1px,transparent 1px);
  background-size:56px 56px;
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(108,132,137,.6)}
.crumb .cur{color:var(--text-2)}
.cat-hero h1{
  font-size:36px;line-height:1.3;font-weight:700;letter-spacing:.01em;
  max-width:760px;margin-bottom:14px;
}
.cat-hero h1 em{font-style:normal;color:var(--primary)}
.cat-hero .hero-sub{font-size:16px;color:var(--text-2);max-width:620px;margin-bottom:22px}
@media(max-width:1024px){.cat-hero{padding:126px 0 46px;min-height:220px}.cat-hero h1{font-size:30px}}
@media(max-width:640px){.cat-hero{padding:106px 0 40px;min-height:180px}.cat-hero h1{font-size:26px}.cat-hero .hero-sub{font-size:15px}}

/* ---------- 区块通用 ---------- */
.section{padding:76px 0}
.section.alt{background:var(--base-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(max-width:640px){.section{padding:52px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.sec-head h2{font-size:24px;line-height:1.35;font-weight:700}
.sec-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.text-link{color:var(--primary);font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:transparent;transition:text-decoration-color .2s var(--ease)}
.text-link:hover{text-decoration-color:var(--primary)}

/* ---------- 筛选条 ---------- */
.filter-wrap{border-bottom:1px solid var(--line);background:rgba(10,26,32,.7)}
.filter-scroll{
  display:flex;align-items:center;gap:10px;padding:18px 0;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-scroll::-webkit-scrollbar{display:none}
.filter-label{flex:0 0 auto;font-size:13px;color:var(--text-3);letter-spacing:.06em;padding-right:2px}
.chip{
  flex:0 0 auto;height:36px;display:inline-flex;align-items:center;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:transparent;
  color:var(--text-2);font-size:13px;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:rgba(22,199,154,.5);color:var(--text)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#04211A;font-weight:600}
.filter-divider{flex:0 0 auto;width:1px;height:20px;background:var(--line);margin:0 6px}

/* ---------- 资源网格 ---------- */
.res-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
@media(max-width:1024px){.res-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}}
@media(max-width:560px){.res-grid{grid-template-columns:1fr;gap:14px}}
.res-card{
  position:relative;display:flex;flex-direction:column;gap:12px;padding:18px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.res-card:hover{transform:translateY(-2px);border-color:rgba(22,199,154,.45);box-shadow:0 10px 30px rgba(22,199,154,.14)}
.corner{
  position:absolute;top:0;right:0;padding:4px 10px;font-size:12px;font-weight:600;letter-spacing:.04em;
  border-radius:0 var(--r-sm) 0 10px;
}
.corner-new{background:rgba(255,180,58,.9);color:#241701}
.corner-hot{background:rgba(255,106,94,.88);color:#2A0B08}
.res-top{display:flex;align-items:center;gap:12px}
.res-icon{
  width:56px;height:56px;flex:0 0 56px;border-radius:14px;
  background:var(--primary-soft);border:1px solid rgba(22,199,154,.28);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
}
.res-icon svg{width:26px;height:26px}
.res-name{font-size:16px;font-weight:700;line-height:1.4}
.badge{
  display:inline-flex;align-items:center;padding:4px 9px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.05em;line-height:1.4;
}
.badge-ver{background:rgba(255,180,58,.14);color:var(--secondary);border:1px solid var(--line-amber)}
.res-desc{font-size:13px;color:var(--text-3);line-height:1.7;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.res-meta{font-size:13px;color:var(--text-2)}
.res-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px dashed rgba(126,232,214,.18);margin-top:auto;
}
.res-plat{font-size:12px;color:var(--text-3);letter-spacing:.05em}

/* ---------- 图文说明 ---------- */
.split-row{padding:34px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.split-row:last-child{border-bottom:0;padding-bottom:0}
.split-row:first-child{padding-top:0}
.split-copy h3{font-size:20px;font-weight:700;margin-bottom:12px}
.split-copy p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:14px}
.feature-list li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2);margin-bottom:8px}
.feature-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--primary)}
.figure{
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
  background:var(--panel-solid);aspect-ratio:16/9;position:relative;
}
.figure img{width:100%;height:100%;object-fit:cover;opacity:.92}
.figure-cap{font-size:13px;color:var(--text-3);margin-top:10px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--panel-solid);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(22,199,154,.42);background:rgba(255,255,255,.04)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--primary)}
.faq-ico{
  position:relative;flex:0 0 20px;width:20px;height:20px;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-ico::before{left:0;top:9px;width:20px;height:2px}
.faq-ico::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-ico::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{
  position:relative;padding:0 22px 22px 22px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:720px;
}
.faq-item.is-open .faq-a-inner::before{
  content:"";position:absolute;left:0;top:2px;bottom:22px;width:2px;border-radius:2px;background:var(--primary);
}

/* ---------- CTA 条 ---------- */
.cta-bar{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;
  min-height:120px;padding:28px 34px;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(22,199,154,.12),rgba(255,180,58,.06) 60%,rgba(255,255,255,.03));
}
.cta-bar h2{font-size:22px;font-weight:700;margin-bottom:8px}
.cta-bar p{font-size:14px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}
.cta-ring{
  position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;
  border:14px dashed rgba(255,180,58,.09);pointer-events:none;
}
@media(max-width:860px){
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px 22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#040B0F;border-top:1px solid var(--line);padding-top:60px;margin-top:0}
.foot-grid{padding-bottom:44px}
.foot-brand-text{font-size:16px;font-weight:700;display:inline-block;margin-bottom:12px}
.foot-desc{font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px;margin-bottom:18px}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.foot-social a:hover{color:var(--primary);border-color:rgba(22,199,154,.45);background:rgba(22,199,154,.10)}
.foot-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text)}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{font-size:14px;color:var(--text-3)}
.foot-col ul a:hover{color:var(--primary)}
.foot-info{font-size:13px;color:var(--text-3);line-height:1.9}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.foot-bottom .mono{color:var(--text-3)}
@media(max-width:640px){
  .site-footer{padding-top:44px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category2 */
:root{
  --base-0:#060F14;
  --base-1:#0A1A20;
  --panel:rgba(255,255,255,.055);
  --panel-solid:#0C2028;
  --line:rgba(126,232,214,.16);
  --line-strong:rgba(22,199,154,.45);
  --line-amber:rgba(255,180,58,.38);
  --primary:#16C79A;
  --primary-hover:#0FB08A;
  --primary-dark:#0B7C63;
  --primary-soft:rgba(22,199,154,.12);
  --secondary:#FFB43A;
  --secondary-soft:rgba(255,180,58,.14);
  --accent:#FF6A5E;
  --accent-soft:rgba(255,106,94,.14);
  --ok:#2ED47A;
  --warn:#FFC24B;
  --text:#EAF6F4;
  --text-2:#9DB4B6;
  --text-3:#6C8489;
  --r-card:16px;
  --r-sm:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-cta:0 0 0 1px rgba(255,180,58,.5), 0 8px 28px rgba(255,180,58,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"SF Mono",Consolas,"Liberation Mono",Menlo,monospace;
  --sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--base-0);
  color:var(--text);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.82;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
  background-size:30px 30px;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-hover)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container{
  width:100%;max-width:1240px;margin:0 auto;
  padding-left:32px;padding-right:32px;position:relative;z-index:1;
}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 栅格 ---------- */
.grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid > [class*="col-"]{padding-left:12px;padding-right:12px;position:relative}
.col-2{flex:0 0 16.6667%;max-width:16.6667%}
.col-3{flex:0 0 25%;max-width:25%}
.col-4{flex:0 0 33.3333%;max-width:33.3333%}
.col-5{flex:0 0 41.6667%;max-width:41.6667%}
.col-6{flex:0 0 50%;max-width:50%}
.col-7{flex:0 0 58.3333%;max-width:58.3333%}
.col-8{flex:0 0 66.6667%;max-width:66.6667%}
.col-12{flex:0 0 100%;max-width:100%}
@media (max-width:1024px){
  .col-2,.col-3,.col-4{flex:0 0 50%;max-width:50%}
  .col-5,.col-6,.col-7,.col-8{flex:0 0 100%;max-width:100%}
}
@media (max-width:640px){
  .grid > [class*="col-"]{flex:0 0 100%;max-width:100%}
  .container{padding-left:18px;padding-right:18px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:var(--secondary);
  color:#20160A;
  box-shadow:var(--shadow-cta);
}
.btn-primary:hover{background:#FFC55C;color:#1B1207;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,180,58,.6),0 12px 32px rgba(255,180,58,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,180,58,.5),0 4px 14px rgba(255,180,58,.22)}
.btn-ghost{
  background:transparent;color:var(--primary);border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(22,199,154,.10);border-color:var(--primary);color:var(--primary-hover);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:36px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;
  text-decoration:underline;text-underline-offset:3px;text-decoration-color:transparent;
  transition:text-decoration-color .2s var(--ease),color .2s var(--ease);
}
.btn-link:hover{color:var(--primary-hover);text-decoration-color:currentColor}

/* ---------- 徽标 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  font-size:12px;line-height:1;letter-spacing:.05em;font-weight:600;
  padding:6px 10px;border-radius:var(--r-pill);
}
.badge-primary{background:var(--primary-soft);color:var(--primary)}
.badge-amber{background:var(--secondary-soft);color:var(--secondary)}
.badge-coral{background:var(--accent-soft);color:var(--accent)}
.badge-ok{background:rgba(46,212,122,.14);color:var(--ok)}
.badge-mute{background:rgba(255,255,255,.06);color:var(--text-2)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(6,15,20,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.site-header.scrolled{background:rgba(5,12,17,.92);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:28px;height:28px;border-radius:50%;flex:0 0 auto;
  background:
    radial-gradient(circle at 50% 50%, var(--base-0) 0 30%, transparent 31%),
    conic-gradient(from 0deg, #16C79A 0 25%, #FFB43A 25% 50%, #16C79A 50% 75%, #FFB43A 75% 100%);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--text-2);
  padding:10px 14px;border-radius:10px;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:rgba(22,199,154,.10);color:var(--text)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(22,199,154,.10);border-color:var(--line-strong)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:background-color .2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
body.drawer-open .nav-toggle span{background:transparent}
body.drawer-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
body.drawer-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;
  width:min(86vw,340px);
  background:rgba(8,20,26,.94);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:22px 18px;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px}
.drawer-link{
  display:flex;align-items:center;height:48px;padding-left:14px;
  color:var(--text-2);font-size:15px;border-left:3px solid transparent;
  border-radius:0 10px 10px 0;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-link:hover{background:rgba(22,199,154,.08);color:var(--text)}
.drawer-link.active{color:var(--primary);border-left-color:var(--primary);background:rgba(22,199,154,.08);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;margin-top:68px;overflow:hidden;
  background-color:#08222A;
  background-image:
    radial-gradient(900px 320px at 12% 0%, rgba(22,199,154,.14), transparent 62%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover,cover;
  background-position:center,center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(6,15,20,.88), rgba(6,15,20,.58) 70%, rgba(6,15,20,.72));
}
.hero-inner{position:relative;z-index:2;padding:56px 0 44px;min-height:248px;display:flex;flex-direction:column;justify-content:center}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .now{color:var(--text-2)}
.hero-title{font-size:34px;line-height:1.32;max-width:760px}
.hero-sub{margin-top:14px;font-size:16px;color:var(--text-2);max-width:560px}
.hero-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 板块 ---------- */
.sec{padding:80px 0;position:relative}
.sec-alt{background:var(--base-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.sec-title{font-size:26px;line-height:1.35}
.sec-title::before{
  content:"";display:block;width:38px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),rgba(22,199,154,0));
  margin-bottom:14px;
}
.sec-desc{margin-top:10px;color:var(--text-2);font-size:14px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.1em;
  color:var(--secondary);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--line-amber)}

/* ---------- 版本长条 ---------- */
.ver-list{border:1px dashed var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel)}
.ver-row{
  display:flex;align-items:center;gap:20px;padding:20px 24px;
  border-bottom:1px dashed var(--line);
  transition:background-color .2s var(--ease),padding-left .2s var(--ease);
}
.ver-row:last-child{border-bottom:0}
.ver-row:hover{background:rgba(22,199,154,.06);padding-left:28px}
.ver-name{font-size:17px;font-weight:700;font-family:var(--mono);color:var(--text);min-width:92px}
.ver-plat{font-size:14px;color:var(--text-2);min-width:104px}
.ver-size{font-size:13px;color:var(--text-3);font-family:var(--mono);min-width:92px}
.ver-date{font-size:13px;color:var(--text-3);font-family:var(--mono);min-width:110px}
.ver-note{font-size:13px;color:var(--text-3);flex:1 1 auto;min-width:160px}
.ver-tag{flex:0 0 auto}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:0;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:15px;top:12px;bottom:12px;width:1px;
  background:linear-gradient(180deg, rgba(22,199,154,.5), rgba(22,199,154,.12) 60%, rgba(22,199,154,0));
}
.tl-item{position:relative;display:flex;gap:26px;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:relative;z-index:2;flex:0 0 auto;
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--primary);
  background:rgba(12,32,40,.92);
  border:1px solid var(--line-strong);
  box-shadow:0 0 0 4px rgba(6,15,20,.9);
}
.tl-body{flex:1 1 auto;max-width:820px}
.tl-body h3{font-size:17px;margin-bottom:8px}
.tl-body p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.tl-fig{
  margin-top:16px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);background:rgba(22,199,154,.06);
  aspect-ratio:16/9;max-width:520px;
}
.tl-fig img{width:100%;height:100%;object-fit:cover}

/* ---------- 注意事项卡 ---------- */
.note-grid{display:flex;flex-wrap:wrap;margin:-10px}
.note-card{
  flex:0 0 calc(50% - 20px);margin:10px;
  background:var(--panel-solid);
  border:1px solid var(--line);border-left:3px solid var(--line-amber);
  border-radius:var(--r-sm);padding:22px 24px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.note-card:hover{transform:translateY(-2px);border-color:var(--line-strong);border-left-color:var(--secondary);box-shadow:0 10px 30px rgba(22,199,154,.12)}
.note-card h3{font-size:16px;margin-bottom:8px}
.note-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.note-ico{
  width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:var(--secondary-soft);color:var(--secondary);margin-bottom:14px;
}

/* ---------- 图文交替 ---------- */
.alt-row{display:flex;align-items:center;gap:40px;padding:34px 0;border-top:1px dashed var(--line)}
.alt-row:first-child{border-top:0;padding-top:0}
.alt-row:last-child{padding-bottom:0}
.alt-media{flex:1 1 46%;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:rgba(22,199,154,.06)}
.alt-media img{width:100%;height:100%;object-fit:cover}
.alt-text{flex:1 1 54%}
.alt-text h3{font-size:20px;margin-bottom:12px}
.alt-text p{font-size:14.5px;color:var(--text-2);margin-bottom:16px}
.dot-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text-2);line-height:1.9;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:2px;border-radius:2px;background:var(--primary);
}
.alt-row.rev{flex-direction:row-reverse}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--panel);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{background:rgba(255,255,255,.04);border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q .plus{
  position:relative;flex:0 0 auto;width:20px;height:20px;color:var(--primary);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-q .plus::before{left:0;top:9px;width:20px;height:2px}
.faq-q .plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-q .plus::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:0 22px 20px 22px;border-left:2px solid var(--primary);margin-left:22px;padding-left:18px}
.faq-a-inner p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:720px}

/* ---------- CTA 条 ---------- */
.cta-bar{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:32px 36px;border-radius:var(--r-card);
  background:linear-gradient(135deg, rgba(22,199,154,.10), rgba(255,180,58,.06));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.cta-bar h2{font-size:24px;margin-bottom:8px}
.cta-bar p{font-size:14px;color:var(--text-2);max-width:460px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.chip-ring{
  position:absolute;right:-40px;top:-56px;width:200px;height:200px;border-radius:50%;
  background:conic-gradient(from 0deg, rgba(22,199,154,.22) 0 25%, rgba(255,180,58,.20) 25% 50%, rgba(22,199,154,.22) 50% 75%, rgba(255,180,58,.20) 75% 100%);
  opacity:.10;pointer-events:none;
}
.chip-ring::after{
  content:"";position:absolute;inset:26px;border-radius:50%;background:var(--base-0);opacity:.85;
}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.cta-points span{
  font-size:13px;color:var(--text-2);padding:6px 12px;border-radius:var(--r-pill);
  border:1px dashed var(--line);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;background:#040B0F;border-top:1px solid var(--line);
  padding:64px 0 0;
}
.foot-grid{padding-bottom:40px}
.foot-brand-text{font-size:16px;font-weight:700;color:var(--text);display:block;margin-bottom:12px}
.foot-desc{font-size:13px;color:var(--text-3);line-height:1.85;max-width:280px}
.foot-social{display:flex;gap:10px;margin-top:18px}
.foot-social a{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.foot-social a:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(22,199,154,.10);transform:translateY(-2px)}
.foot-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.foot-col ul li{margin-bottom:10px}
.foot-col ul li a{font-size:13.5px;color:var(--text-3)}
.foot-col ul li a:hover{color:var(--primary)}
.foot-info{font-size:13px;color:var(--text-3);line-height:2}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
}
.foot-bottom .mono{color:var(--text-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .sec{padding:64px 0}
  .hero-title{font-size:30px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .alt-row{flex-direction:column;gap:22px;align-items:flex-start}
  .alt-row.rev{flex-direction:column}
  .alt-media{width:100%}
  .ver-row{flex-wrap:wrap;gap:12px 18px}
  .ver-note{flex:1 1 100%;min-width:0}
}
@media (max-width:640px){
  .header-inner{height:56px}
  .page-hero{margin-top:56px}
  .hero-inner{padding:40px 0 34px;min-height:200px}
  .hero-title{font-size:26px}
  .hero-sub{font-size:15px}
  .sec{padding:56px 0}
  .sec-title{font-size:22px}
  .timeline{padding-left:0}
  .tl-item{padding-left:36px;gap:0;padding-bottom:30px}
  .tl-dot{position:absolute;left:0;top:0}
  .timeline::before{left:15px}
  .note-card{flex:0 0 calc(100% - 20px)}
  .cta-bar{padding:26px 22px}
  .cta-bar h2{font-size:20px}
  .btn{height:48px;padding:0 20px}
  .brand-text{font-size:15px}
  .foot-bottom{justify-content:flex-start}
}