/* ============================================
   V3 — Crimson Onyx Ultra Premium
   Deep onyx #080608 + Crimson #dc2626
   + Gold #d4af37 + Platinum white
   ============================================ */

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#080608;--bg2:#0e0c0f;--bg3:#161318;
  --card:#120f14;--card-hi:#1a1620;
  --primary:#dc2626;--primary2:#ef4444;--primary3:#f87171;
  --accent:#d4af37;--accent2:#f0c75e;
  --text:#f5f0f2;--text2:#9a9095;--text3:#605560;
  --border:#1c1820;--border-hi:#2a242e;
  --radius:16px;--radius-sm:10px;--radius-lg:22px;
  --shadow:0 4px 16px rgba(0,0,0,.4);
  --shadow-hi:0 12px 36px rgba(0,0,0,.55);
  --glow:0 0 30px rgba(220,38,38,.08);
  --maxw:1280px;
  --grad1:linear-gradient(135deg,#dc2626,#991b1b);
  --grad-gold:linear-gradient(135deg,#d4af37,#b8941f);
  --grad-text:linear-gradient(135deg,#dc2626 0%,#f87171 40%,#d4af37 100%);
  --grad-hero:linear-gradient(135deg,rgba(220,38,38,.06),transparent 50%);
}
html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden;min-height:100vh}
a{color:var(--primary2);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary3)}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
*::selection{background:var(--primary);color:#080608}

/* --- Scroll Progress --- */
.scroll-line{position:fixed;top:0;left:0;right:0;height:2px;z-index:9999;background:transparent}
.scroll-line span{display:block;height:100%;width:0;background:linear-gradient(90deg,#dc2626,#d4af37);transition:width .15s}

/* --- Boot Screen --- */
.portal-boot{position:fixed;inset:0;z-index:10000;background:var(--bg);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:36px;transition:opacity .8s,visibility .8s}
.portal-boot.hide{opacity:0;visibility:hidden;pointer-events:none}
.boot-lines{display:flex;gap:6px}
.boot-lines i{width:3px;height:36px;background:linear-gradient(180deg,#dc2626,#d4af37);border-radius:2px;animation:bootPulse 1.2s ease-in-out infinite}
.boot-lines i:nth-child(2){animation-delay:.12s}
.boot-lines i:nth-child(3){animation-delay:.24s}
.boot-lines i:nth-child(4){animation-delay:.36s}
@keyframes bootPulse{0%,100%{opacity:.25;transform:scaleY(.4)}50%{opacity:1;transform:scaleY(1)}}
.pass-card{width:400px;max-width:90vw;padding:40px 36px;background:var(--card);border:1px solid var(--border-hi);border-radius:var(--radius-lg);box-shadow:var(--shadow-hi);position:relative;overflow:hidden}
.pass-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-text)}
.pass-badge{width:52px;height:52px;border-radius:14px;background:var(--grad1);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;color:#080608;margin-bottom:22px;letter-spacing:1px}
.pass-title em{font-size:10px;letter-spacing:3px;color:var(--accent2);text-transform:uppercase;font-style:normal;display:block;margin-bottom:6px;font-weight:700}
.pass-title h2{font-size:22px;font-weight:700;color:var(--text);margin-bottom:8px;letter-spacing:.3px}
.pass-title p{font-size:13px;color:var(--text2)}
.pass-checks{margin:26px 0 20px}
.pass-checks>div{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:13px;color:var(--text2)}
.pass-checks b{width:18px;height:18px;border-radius:50%;background:var(--grad1);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.pass-checks b::after{content:'\2713';color:#080608;font-size:11px;font-weight:800}
.pass-checks em{margin-left:auto;font-size:10px;color:var(--primary3);font-style:normal;letter-spacing:2px;font-weight:700}
.pass-progress{height:3px;background:var(--bg3);border-radius:2px;overflow:hidden;margin-bottom:16px}
.pass-progress i{display:block;height:100%;width:30%;background:var(--grad-text);border-radius:2px;animation:passLoad 2s ease-in-out forwards}
@keyframes passLoad{to{width:100%}}
.pass-card small{font-size:10px;color:var(--text3);letter-spacing:2px;font-weight:600}
.pass-card small .js-clock{color:var(--accent2)}

/* --- Header --- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(8,6,8,.92);border-bottom:1px solid var(--border);transition:border-color .3s}
.site-header.scrolled{border-bottom-color:var(--border-hi)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand span{width:40px;height:40px;border-radius:11px;background:var(--grad1);display:flex;align-items:center;justify-content:center;font-size:14px;color:#080608;font-weight:800;letter-spacing:1px}
.brand strong{font-size:18px;font-weight:700;letter-spacing:.3px}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:10px 18px;border-radius:10px;font-size:14px;color:var(--text2);transition:all .2s;font-weight:500}
.nav a:hover{color:var(--text);background:var(--bg3)}
.nav-toggle{display:none;cursor:pointer;flex-direction:column;gap:5px}
.nav-toggle i{width:22px;height:2px;background:var(--text);border-radius:1px;transition:.3s}
.nav-check{display:none}
.header-action{padding:10px 22px;border-radius:11px;background:var(--grad1);color:#080608;font-size:14px;font-weight:700;white-space:nowrap;transition:all .2s;letter-spacing:.3px}
.header-action:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(220,38,38,.35);color:#080608}

/* --- Hero Section --- */
.hero-section{position:relative;padding:90px 0 60px;overflow:hidden;background:radial-gradient(ellipse at 30% 0%,rgba(220,38,38,.07),transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(212,175,55,.05),transparent 40%)}
.hero-pattern{position:absolute;inset:0;background-image:linear-gradient(rgba(220,38,38,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(220,38,38,.025) 1px,transparent 1px);background-size:60px 60px;background-position:center;pointer-events:none;mask-image:radial-gradient(ellipse at center,black 30%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 70%)}
.hero-shape{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none}
.shape-one{width:400px;height:400px;background:rgba(220,38,38,.1);top:-50px;left:-50px}
.shape-two{width:300px;height:300px;background:rgba(212,175,55,.06);bottom:0;right:10%}
.hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero-content>span{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:3px;color:var(--accent2);text-transform:uppercase;font-weight:700;margin-bottom:18px;padding:6px 14px;border:1px solid rgba(212,175,55,.25);border-radius:20px;background:rgba(212,175,55,.05)}
.hero-content>span::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-content h1{font-size:48px;line-height:1.15;font-weight:800;margin-bottom:20px;background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-1px}
.hero-content>p{font-size:16px;color:var(--text2);margin-bottom:32px;max-width:540px;line-height:1.7}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap}
.hero-buttons a{padding:14px 32px;border-radius:12px;font-size:15px;font-weight:700;transition:all .25s;letter-spacing:.3px}
.hero-buttons a:first-child{background:var(--grad1);color:#080608;box-shadow:0 6px 20px rgba(220,38,38,.3)}
.hero-buttons a:first-child:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(220,38,38,.45);color:#080608}
.hero-buttons a:last-child{background:var(--card);color:var(--text);border:1px solid var(--border-hi)}
.hero-buttons a:last-child:hover{border-color:var(--primary);color:var(--primary3);transform:translateY(-2px)}
.hero-tips{margin-top:28px;padding:16px 20px;border-left:3px solid var(--accent);background:rgba(212,175,55,.04);border-radius:0 12px 12px 0}
.hero-tips b{font-size:13px;color:var(--accent2);display:block;margin-bottom:4px;font-weight:700}
.hero-tips p{font-size:13px;color:var(--text2);margin:0;line-height:1.6}
.hero-dashboard{background:var(--card);border:1px solid var(--border-hi);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hi)}
.dashboard-head{display:flex;justify-content:space-between;align-items:center;padding:14px 22px;border-bottom:1px solid var(--border)}
.dashboard-head span{font-size:13px;color:var(--text2);font-weight:600}
.dashboard-head b{font-size:12px;color:var(--primary3);font-weight:600}
.dashboard-head b::before{content:'';display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--primary);margin-right:6px;box-shadow:0 0 8px var(--primary);animation:dotPulse 2s ease-in-out infinite}
@keyframes dotPulse{0%,100%{opacity:1}50%{opacity:.5}}
.dashboard-body{padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:center}
.phone-preview{width:100%;border-radius:var(--radius-sm);box-shadow:0 8px 24px rgba(0,0,0,.5)}
.status-card{padding:12px 14px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;transition:border-color .2s}
.status-card:last-child{margin-bottom:0}
.status-card:hover{border-color:var(--border-hi)}
.status-card b{font-size:11px;color:var(--accent2);display:block;margin-bottom:4px;font-weight:700;letter-spacing:.8px;text-transform:uppercase}
.status-card span{font-size:12px;color:var(--text2)}
.card-a{border-left:3px solid var(--primary)}
.card-b{border-left:3px solid var(--accent)}
.card-c{border-left:3px solid var(--primary3)}
.dashboard-list{padding:14px 22px;border-top:1px solid var(--border)}
.dashboard-list p{font-size:12px;color:var(--text2);display:flex;align-items:center;gap:10px;margin-bottom:8px}
.dashboard-list p:last-child{margin-bottom:0}
.dashboard-list b{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.dashboard-list p:nth-child(1) b{background:#f59e0b;box-shadow:0 0 8px #f59e0b}
.dashboard-list p:nth-child(2) b{background:var(--primary);box-shadow:0 0 8px var(--primary)}

/* --- Shortcut Section --- */
.shortcut-section{padding:0 0 36px}
.shortcut-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.shortcut-grid a{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px 12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:all .25s;text-align:center;color:var(--text2)}
.shortcut-grid a:hover{border-color:var(--primary);transform:translateY(-3px);background:var(--card-hi);color:var(--primary3)}
.shortcut-grid b{font-size:22px;color:var(--primary2);font-style:normal;font-weight:400}
.shortcut-grid span{font-size:13px;font-weight:500}

/* --- Section Title --- */
.section-title{text-align:center;margin-bottom:48px}
.section-title span{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:3px;color:var(--accent2);text-transform:uppercase;font-weight:700;margin-bottom:14px;padding:5px 16px;border:1px solid rgba(212,175,55,.25);border-radius:20px;background:rgba(212,175,55,.04)}
.section-title span::before,.section-title span::after{content:'';width:4px;height:4px;border-radius:50%;background:var(--accent)}
.section-title h2{font-size:36px;font-weight:800;color:var(--text);margin-bottom:12px;letter-spacing:-.5px}
.section-title p{font-size:15px;color:var(--text2);max-width:600px;margin:0 auto}

/* --- Download Section --- */
.download-section{padding:60px 0}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.download-card{position:relative;padding:36px 28px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:all .3s;overflow:hidden}
.download-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad1);opacity:0;transition:opacity .3s}
.download-card:hover{border-color:var(--border-hi);transform:translateY(-4px);box-shadow:var(--shadow-hi)}
.download-card:hover::before{opacity:1}
.download-card.alert::before{background:var(--grad-gold);opacity:1}
.download-card.alert:hover{border-color:rgba(212,175,55,.4)}
.download-header{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.download-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800}
.download-icon.android{background:var(--grad1);color:#080608}
.download-icon.ios{background:linear-gradient(135deg,#f5f0f2,#9a9095);color:#080608}
.download-icon.notice{background:var(--grad-gold);color:#080608}
.download-header em{font-size:12px;color:var(--text3);font-style:normal;letter-spacing:.8px;text-transform:uppercase;font-weight:600}
.download-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:14px}
.download-card ul{list-style:none;margin-bottom:20px}
.download-card li{font-size:13px;color:var(--text2);padding:7px 0 7px 22px;position:relative;line-height:1.5}
.download-card li::before{content:'';position:absolute;left:0;top:14px;width:8px;height:8px;border-radius:50%;background:var(--primary);opacity:.6}
.download-card li::after{content:'';position:absolute;left:2px;top:16px;width:4px;height:4px;border-radius:50%;background:var(--bg)}
.download-card a{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:10px;background:var(--grad1);color:#080608;font-size:13px;font-weight:700;transition:all .2s}
.download-card a:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(220,38,38,.35);color:#080608}
.download-card.alert a{background:var(--grad-gold)}

/* --- Metrics Section --- */
.metrics-section{padding:36px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg2)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.metrics-grid article{display:flex;flex-direction:column;gap:6px}
.metrics-grid .count-num{font-size:36px;font-weight:800;background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}
.metrics-grid span{font-size:13px;color:var(--text3);letter-spacing:.5px}

/* --- Version Section --- */
.version-section{padding:60px 0}
.version-layout{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.version-card{padding:28px 24px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:all .3s}
.version-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow)}
.version-card>span{font-size:11px;color:var(--accent2);margin-bottom:10px;letter-spacing:1px;font-weight:700;display:block;text-transform:uppercase}
.version-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:10px}
.version-card p{font-size:13px;color:var(--text2);line-height:1.6}

/* --- Features Section --- */
.features-section{padding:60px 0}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature-card{padding:28px 22px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:all .3s}
.feature-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow);background:var(--card-hi)}
.feature-icon{width:48px;height:48px;border-radius:12px;background:var(--bg3);border:1px solid var(--border-hi);display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:22px;color:var(--primary);font-weight:400}
.feature-card b{font-size:15px;font-weight:700;color:var(--text);display:block;margin-bottom:8px}
.feature-card p{font-size:13px;color:var(--text2);line-height:1.6}

/* --- Install Timeline --- */
.install-section{padding:60px 0;background:var(--bg2)}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;margin-top:20px}
.timeline::before{content:'';position:absolute;top:24px;left:8%;right:8%;height:1px;background:var(--border-hi)}
.timeline-item{position:relative;text-align:center;padding:0 8px}
.timeline-item em{width:48px;height:48px;border-radius:50%;background:var(--card);border:2px solid var(--primary);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;font-style:normal;margin:0 auto 16px;position:relative;z-index:1}
.timeline-item h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:6px}
.timeline-item p{font-size:12px;color:var(--text2);line-height:1.5}

/* --- Security Section --- */
.security-section{padding:60px 0}
.security-layout{display:grid;grid-template-columns:1fr 360px;gap:48px;align-items:start}
.security-content>span{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:3px;color:var(--accent2);text-transform:uppercase;font-weight:700;margin-bottom:16px;padding:5px 14px;border:1px solid rgba(212,175,55,.25);border-radius:20px;background:rgba(212,175,55,.04)}
.security-content>span::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}
.security-content h2{font-size:32px;font-weight:800;color:var(--text);margin-bottom:16px;letter-spacing:-.5px}
.security-content>p{font-size:15px;color:var(--text2);margin-bottom:32px;line-height:1.7;max-width:560px}
.security-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.security-list article{padding:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color .2s}
.security-list article:hover{border-color:var(--primary)}
.security-list b{font-size:14px;font-weight:700;color:var(--primary3);display:block;margin-bottom:8px}
.security-list p{font-size:13px;color:var(--text2);line-height:1.6}
.security-visual{position:sticky;top:90px}
.shield{width:200px;height:200px;margin:0 auto 24px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}
.shield-ring{position:absolute;inset:0;border-radius:50%;border:2px solid var(--border-hi);animation:ringRotate 10s linear infinite}
.shield-ring::before{content:'';position:absolute;inset:-10px;border-radius:50%;border:1px solid var(--border);animation:ringRotate 15s linear infinite reverse}
@keyframes ringRotate{to{transform:rotate(360deg)}}
.shield strong{font-size:22px;font-weight:800;background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;z-index:1}
.shield span{font-size:12px;color:var(--text3);margin-top:4px;position:relative;z-index:1;letter-spacing:1px;text-transform:uppercase;font-weight:600}
.shield-note{padding:20px 22px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
.shield-note p{font-size:13px;color:var(--text2);padding:6px 0;display:flex;align-items:center;gap:10px}
.shield-note b{width:8px;height:8px;border-radius:50%;background:var(--primary);flex-shrink:0;box-shadow:0 0 8px rgba(220,38,38,.4)}

/* --- FAQ Section --- */
.faq-section{padding:60px 0;background:var(--bg2)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:10px;background:var(--card);overflow:hidden;transition:border-color .2s}
.faq-item.active{border-color:var(--primary)}
.faq-item button{width:100%;padding:18px 22px;background:none;border:none;color:var(--text);font-size:15px;font-weight:600;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:color .2s}
.faq-item button:hover{color:var(--primary3)}
.faq-item button i{font-style:normal;font-size:20px;color:var(--primary2);transition:transform .3s;font-weight:300}
.faq-item.active button i{transform:rotate(45deg)}
.faq-body{max-height:0;overflow:hidden;transition:max-height .4s}
.faq-item.active .faq-body{max-height:300px}
.faq-body p{padding:0 22px 20px;font-size:14px;color:var(--text2);line-height:1.7}

/* --- News Section --- */
.news-section{padding:20px 0 60px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s}
.news-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow)}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg3)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-card em{font-size:12px;color:var(--text3);display:block;margin:16px 22px 0;letter-spacing:.5px;font-style:normal}
.news-card em.tag{color:var(--accent2);font-weight:700;margin:6px 22px 0;font-size:11px;letter-spacing:1px;text-transform:uppercase}
.news-card h3{font-size:17px;font-weight:700;color:var(--text);margin:10px 22px 10px;line-height:1.5}
.news-card p{font-size:13px;color:var(--text2);margin:0 22px 16px;line-height:1.6}
.news-card a{display:inline-flex;align-items:center;gap:6px;margin:0 22px 22px;font-size:14px;font-weight:700;color:var(--primary2)}
.news-card a:hover{color:var(--primary3)}
.more-link{text-align:center;margin-top:40px}
.more-link a{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;border-radius:12px;border:1px solid var(--border-hi);color:var(--text);font-size:14px;font-weight:600;transition:all .2s;background:var(--card)}
.more-link a:hover{border-color:var(--primary);color:var(--primary3);transform:translateY(-2px)}

/* --- Footer --- */
.site-footer{padding:48px 0 32px;border-top:1px solid var(--border);background:var(--bg2);position:relative}
.site-footer::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:200px;height:1px;background:linear-gradient(90deg,transparent,var(--primary),transparent)}
.footer-inner{display:flex;justify-content:space-between;align-items:start;flex-wrap:wrap;gap:24px;margin-bottom:24px}
.footer-inner>div:first-child{max-width:480px}
.footer-logo{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px;display:flex;align-items:center;gap:10px}
.footer-logo::before{content:'';width:24px;height:2px;background:var(--grad-gold);border-radius:1px}
.footer-inner p{font-size:13px;color:var(--text3);line-height:1.6}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:var(--text3)}
.footer-links a:hover{color:var(--primary3)}
.footer-bottom{padding-top:20px;border-top:1px solid var(--border);font-size:12px;color:var(--text3);text-align:center;letter-spacing:.3px}

/* --- Float Panel --- */
.float-panel{position:fixed;bottom:90px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:90}
.float-panel a{padding:10px 18px;border-radius:12px;background:var(--card);border:1px solid var(--border-hi);color:var(--text);font-size:13px;font-weight:600;transition:all .2s;text-align:center}
.float-panel a:hover{border-color:var(--primary);color:var(--primary3);transform:translateX(-3px)}

/* --- Back to Top --- */
.back-top{position:fixed;bottom:24px;right:24px;width:48px;height:48px;border-radius:50%;background:var(--grad1);display:flex;align-items:center;justify-content:center;color:#080608;font-size:20px;font-weight:800;cursor:pointer;box-shadow:0 6px 20px rgba(220,38,38,.4);z-index:90;opacity:0;visibility:hidden;transition:all .2s;text-decoration:none}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(220,38,38,.5);color:#080608}

/* --- Tutorial List --- */
.tutorial-page{padding:40px 0 60px}
.page-header{text-align:center;margin-bottom:48px}
.page-header h1{font-size:38px;font-weight:800;background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:12px;letter-spacing:-.5px}
.page-header p{font-size:15px;color:var(--text2)}
.article-list{display:grid;gap:16px;margin-bottom:48px}
.article-card{display:grid;grid-template-columns:240px 1fr;gap:20px;padding:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:all .3s}
.article-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}
.article-thumb{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:16/10;background:var(--bg3)}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.article-card:hover .article-thumb img{transform:scale(1.04)}
.article-info{display:flex;flex-direction:column;gap:8px}
.article-info .meta{display:flex;gap:16px;font-size:12px;color:var(--text3);align-items:center}
.article-info .meta .js-views{color:var(--primary3)}
.article-info h2{font-size:18px;font-weight:700;line-height:1.4}
.article-info h2 a{color:var(--text)}
.article-info h2 a:hover{color:var(--primary3)}
.article-info>p{font-size:13px;color:var(--text2);line-height:1.6}
.article-link{margin-top:auto}
.article-link a{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:10px;background:var(--grad1);color:#080608;font-size:13px;font-weight:700;transition:all .2s}
.article-link a:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(220,38,38,.35);color:#080608}

/* --- Pagination --- */
.pagination{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.pagination a{min-width:42px;height:42px;padding:0 12px;border-radius:10px;border:1px solid var(--border);background:var(--card);color:var(--text2);font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .2s;font-weight:500}
.pagination a:hover{border-color:var(--primary);color:var(--text)}
.pagination a.active{background:var(--grad1);border-color:transparent;color:#080608;font-weight:700}

/* --- Article Detail --- */
.article-page{padding:40px 0 60px}
.breadcrumb{font-size:13px;color:var(--text3);margin-bottom:24px;display:flex;align-items:center;gap:8px}
.breadcrumb a{color:var(--text2)}
.breadcrumb a:hover{color:var(--primary3)}
.breadcrumb em{font-style:normal;color:var(--text)}
.breadcrumb i{font-style:normal;color:var(--text3)}
.reader-title h1{font-size:34px;font-weight:800;color:var(--text);margin-bottom:16px;line-height:1.35;letter-spacing:-.5px}
.reader-meta{display:flex;gap:20px;font-size:13px;color:var(--text3);margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.reader-meta .js-views{color:var(--primary3)}
.article-cover{width:100%;border-radius:var(--radius);margin-bottom:32px;box-shadow:var(--shadow)}
.article-body{font-size:15px;line-height:1.85;color:var(--text)}
.article-body>*{margin-bottom:20px}
.article-body h2{font-size:22px;font-weight:700;color:var(--text);margin:32px 0 16px;padding-top:20px;border-top:1px solid var(--border);position:relative}
.article-body h2::before{content:'';position:absolute;top:20px;left:0;width:40px;height:2px;background:var(--grad-text);border-radius:1px}
.article-body p{color:var(--text2)}
.article-body blockquote{padding:20px 24px;border-left:3px solid var(--primary);background:var(--bg3);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text2);font-size:14px}
.article-body ol,.article-body ul{padding-left:24px;color:var(--text2)}
.article-body li{margin-bottom:8px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:32px 0}
.tag-row span{padding:6px 16px;border-radius:20px;background:var(--bg3);border:1px solid var(--border);font-size:12px;color:var(--text2)}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:32px 0}
.check-grid p{padding:16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--text2)}
.check-grid b{color:var(--primary3);display:block;margin-bottom:4px}
.warning-module{margin:32px 0;padding:24px;background:rgba(212,175,55,.05);border:1px solid rgba(212,175,55,.2);border-radius:var(--radius-sm)}
.warning-module h3{font-size:16px;font-weight:700;color:var(--accent2);margin-bottom:16px}
.warning-module li{font-size:13px;color:var(--text2);margin-bottom:8px}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px;padding-top:32px;border-top:1px solid var(--border)}
.prev-next>div{padding:18px 20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color .2s}
.prev-next>div:hover{border-color:var(--primary)}
.prev-next small{font-size:11px;color:var(--text3);display:block;margin-bottom:8px;letter-spacing:1px;text-transform:uppercase;font-weight:600}
.prev-next strong{font-size:14px;font-weight:600;color:var(--text);display:block}
.prev-next a{color:inherit}

/* --- Sidebar --- */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px}
.sidebar{position:sticky;top:90px;align-self:start}
.side-tips,.side-news{padding:22px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px}
.side-tips h3,.side-news h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.side-tips p{font-size:13px;color:var(--text2);margin-bottom:10px;line-height:1.6}
.side-news a{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px;color:var(--text2);transition:color .2s}
.side-news a:last-child{border-bottom:none}
.side-news a:hover{color:var(--text)}
.side-news em{font-style:normal;color:var(--primary3);font-weight:700;flex-shrink:0}
.side-news b{font-weight:500;color:var(--text2)}
.side-news a:hover b{color:var(--text)}

/* --- 404 --- */
.error-page{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center}
.error-page h1{font-size:80px;font-weight:800;background:var(--grad-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px}

/* --- Reveal Animation --- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}
.reveal.show{opacity:1;transform:translateY(0)}

/* --- noscript fallback --- */
.noscript-articles{display:block!important}
.noscript-articles .article-card{display:grid!important}

/* --- Responsive --- */
@media(max-width:960px){
  .hero-layout{grid-template-columns:1fr;gap:40px}
  .hero-dashboard{display:none}
  .news-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .download-grid{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .version-layout{grid-template-columns:repeat(2,1fr)}
  .shortcut-grid{grid-template-columns:repeat(3,1fr)}
  .timeline{grid-template-columns:1fr 1fr;gap:24px}
  .timeline::before{display:none}
  .security-layout{grid-template-columns:1fr}
  .security-list{grid-template-columns:1fr}
  .article-layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .article-card{grid-template-columns:1fr}
  .article-thumb{aspect-ratio:16/9}
  .check-grid{grid-template-columns:1fr}
  .prev-next{grid-template-columns:1fr}
  .nav{display:none}
  .nav-check:checked ~ .nav{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--bg2);padding:16px;border-bottom:1px solid var(--border);gap:0}
  .nav-check:checked ~ .nav a{padding:12px 16px;border-radius:8px}
  .nav-toggle{display:flex}
  .header-action{display:none}
  .hero-content h1{font-size:34px}
  .float-panel{display:none}
}
@media(max-width:600px){
  .feature-grid{grid-template-columns:1fr}
  .version-layout{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr}
  .shortcut-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:1fr}
  .hero-content h1{font-size:26px}
  .container{padding:0 16px}
  .pass-card{width:100%}
  .section-title h2{font-size:28px}
  .security-content h2{font-size:24px}
  .reader-title h1{font-size:24px}
}