/* ==============================
   V2 — Dark Premium Edition
   全新暗色高端设计，与原站完全不同
================================= */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    color: #e8eaf0;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif;
    background: #080b14;
    overflow-x: hidden;
    line-height: 1.65;
}
body.portal-loading { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }

/* ============================== Scroll Progress ============================== */
.scroll-line {
    position: fixed; top: 0; left: 0; z-index: 100000;
    width: 100%; height: 3px; background: rgba(245,158,11,.08);
}
.scroll-line span {
    display: block; width: 0; height: 100%;
    background: linear-gradient(90deg, #f59e0b, #fbbf24, #f97316, #f59e0b);
    background-size: 200% 200%; animation: shimmer 4s linear infinite;
}

/* ============================== Boot Screen — Gold Pulse ============================== */
.portal-boot {
    position: fixed; inset: 0; z-index: 99999;
    display: grid; place-items: center; overflow: hidden;
    background: radial-gradient(ellipse at center, #0d1117 0%, #06080d 100%);
    transition: opacity .7s ease, visibility .7s ease;
}
.portal-boot::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(circle 600px at 50% 40%, rgba(245,158,11,.06), transparent),
        radial-gradient(circle 400px at 80% 80%, rgba(20,184,166,.04), transparent);
}
.portal-boot::after {
    content: ''; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(245,158,11,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(245,158,11,.02) 1px, transparent 1px);
    background-size: 64px 64px;
}
.portal-boot.hide { opacity: 0; visibility: hidden; pointer-events: none; }

.boot-lines i {
    position: absolute; border-radius: 50%; border: 1px solid transparent;
    opacity: .35; animation: ringPulse 10s ease-in-out infinite;
}
.boot-lines i:nth-child(1) {
    width: 320px; height: 320px; left: 50%; top: 50%;
    transform: translate(-50%,-50%);
    border-color: rgba(245,158,11,.1);
    border-top-color: rgba(245,158,11,.4);
    border-right-color: rgba(251,191,36,.2);
}
.boot-lines i:nth-child(2) {
    width: 220px; height: 220px; left: 50%; top: 50%;
    transform: translate(-50%,-50%);
    border-color: rgba(20,184,166,.08);
    border-bottom-color: rgba(20,184,166,.3);
    border-left-color: rgba(245,158,11,.15);
    animation-duration: 7s; animation-direction: reverse;
}
.boot-lines i:nth-child(3) {
    width: 420px; height: 420px; left: 50%; top: 50%;
    transform: translate(-50%,-50%);
    border-color: rgba(245,158,11,.05);
    border-top-color: rgba(245,158,11,.15);
    animation-duration: 14s;
}
.boot-lines i:nth-child(4) {
    width: 140px; height: 140px; left: 50%; top: 50%;
    transform: translate(-50%,-50%);
    border-color: rgba(251,191,36,.1);
    border-bottom-color: rgba(251,191,36,.35);
    animation-duration: 5s; animation-direction: reverse;
}

.pass-card {
    position: relative; z-index: 2;
    width: min(440px, calc(100% - 32px));
    padding: 36px 32px 28px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(18,22,35,.92), rgba(10,14,22,.95));
    border: 1px solid rgba(245,158,11,.12);
    box-shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 24px 60px rgba(0,0,0,.6), 0 0 80px rgba(245,158,11,.06);
    text-align: center;
    transform: scale(.95);
    animation: cardFade .6s cubic-bezier(.22,1,.36,1) forwards;
}

.pass-badge {
    width: 72px; height: 72px; margin: 0 auto 18px;
    display: grid; place-items: center;
    border-radius: 18px; color: #0a0e1a;
    font-size: 28px; font-weight: 900; letter-spacing: -1px;
    background: linear-gradient(135deg, #f59e0b, #fbbf24, #f97316);
    position: relative;
}
.pass-badge::after {
    content: ''; position: absolute; inset: -4px;
    border-radius: inherit; z-index: -1; opacity: 0;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    filter: blur(14px); animation: glowPulse 2.5s ease-in-out infinite;
}

.pass-title em {
    color: #f59e0b; font-size: 10px; font-style: normal;
    font-weight: 800; letter-spacing: 3px; text-transform: uppercase;
}
.pass-title h2 { margin: 8px 0; font-size: 22px; color: #f1f5f9; font-weight: 700; }
.pass-title p { margin: 0 0 20px; color: #64748b; font-size: 13px; }

.pass-checks { display: grid; gap: 7px; text-align: left; }
.pass-checks div {
    display: grid; grid-template-columns: 12px 1fr auto; gap: 10px;
    align-items: center; padding: 10px 14px;
    border-radius: 10px;
    background: rgba(30,35,50,.5); border: 1px solid rgba(245,158,11,.06);
    animation: checkIn .5s ease forwards; opacity: 0;
}
.pass-checks div:nth-child(1) { animation-delay: .12s; }
.pass-checks div:nth-child(2) { animation-delay: .24s; }
.pass-checks div:nth-child(3) { animation-delay: .36s; }
.pass-checks div:nth-child(4) { animation-delay: .48s; }
.pass-checks b {
    width: 8px; height: 8px; border-radius: 50%;
    background: #f59e0b; box-shadow: 0 0 10px rgba(245,158,11,.5);
    animation: dotGlow 1.5s ease-in-out infinite;
}
.pass-checks span { color: #cbd5e1; font-weight: 600; font-size: 13px; }
.pass-checks em { color: #f59e0b; font-size: 10px; font-style: normal; font-weight: 800; }

.pass-progress { height: 3px; margin: 20px 0 14px; overflow: hidden; border-radius: 999px; background: rgba(245,158,11,.08); }
.pass-progress i {
    display: block; width: 35%; height: 100%; border-radius: inherit;
    background: linear-gradient(90deg, #f59e0b, #fbbf24, #f97316);
    animation: shimmer 2.5s linear infinite, barMove 1.5s ease-in-out infinite;
}
.pass-card small { color: #475569; font-weight: 700; font-size: 10px; letter-spacing: 1px; }
.pass-card small .js-clock { color: #f59e0b; }

/* ============================== Header ============================== */
.site-header {
    position: sticky; top: 0; z-index: 9000;
    background: rgba(8,11,20,.85); backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(245,158,11,.08);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px; padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand span {
    width: 36px; height: 36px; display: grid; place-items: center;
    border-radius: 10px; color: #0a0e1a; font-size: 14px; font-weight: 900;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    box-shadow: 0 4px 12px rgba(245,158,11,.25);
}
.brand strong { font-size: 17px; font-weight: 800; color: #f1f5f9; letter-spacing: -.5px; }

.nav { display: flex; gap: 2px; align-items: center; }
.nav a {
    padding: 8px 12px; border-radius: 8px; font-size: 14px; font-weight: 600;
    color: #94a3b8; transition: all .2s ease;
}
.nav a:hover { color: #f59e0b; background: rgba(245,158,11,.06); }

.header-action, .hero-buttons a:first-child, .download-card a, .more-link a, .page-actions a:first-child {
    display: inline-block; padding: 9px 20px; border-radius: 10px;
    font-size: 13px; font-weight: 700; color: #0a0e1a;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    border: 1px solid rgba(245,158,11,.3);
    transition: all .25s ease; cursor: pointer;
}
.header-action:hover, .hero-buttons a:first-child:hover, .download-card a:hover, .more-link a:hover {
    box-shadow: 0 6px 20px rgba(245,158,11,.3);
    transform: translateY(-1px);
}

.nav-check { display: none; }
.nav-toggle { display: none; cursor: pointer; flex-direction: column; gap: 4px; }
.nav-toggle i { display: block; width: 22px; height: 2px; background: #e2e8f0; border-radius: 2px; }

/* ============================== Hero ============================== */
.hero-section {
    position: relative; padding: 60px 0 80px; overflow: hidden;
    background: radial-gradient(ellipse 100% 80% at 50% 0%, rgba(245,158,11,.04), transparent),
                radial-gradient(ellipse 80% 60% at 100% 100%, rgba(20,184,166,.03), transparent);
}
.hero-pattern {
    position: absolute; inset: 0; opacity: .4;
    background-image: radial-gradient(circle at 1px 1px, rgba(245,158,11,.12) 1px, transparent 0);
    background-size: 32px 32px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}
.hero-shape { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .15; }
.shape-one { width: 400px; height: 400px; top: -100px; right: -50px; background: #f59e0b; }
.shape-two { width: 300px; height: 300px; bottom: -50px; left: -80px; background: #14b8a6; }

.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }

.hero-content > span, .section-title span, .security-content > span, .faq-title span {
    display: inline-block; margin-bottom: 10px;
    font-size: 11px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase;
    color: #f59e0b;
}
.hero-content h1 { margin: 0 0 16px; font-size: 38px; line-height: 1.2; font-weight: 900; color: #f1f5f9; letter-spacing: -1px; }
.hero-content p { margin: 0 0 24px; font-size: 15px; color: #94a3b8; max-width: 480px; }

.hero-buttons { display: flex; gap: 12px; margin-bottom: 24px; }
.hero-buttons a {
    display: inline-block; padding: 12px 28px; border-radius: 12px;
    font-size: 14px; font-weight: 700; transition: all .25s ease;
}
.hero-buttons a:first-child { color: #0a0e1a; background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.hero-buttons a:nth-child(2) {
    color: #e2e8f0; background: rgba(245,158,11,.06);
    border: 1px solid rgba(245,158,11,.15);
}
.hero-buttons a:nth-child(2):hover { background: rgba(245,158,11,.12); }

.hero-tips {
    display: flex; gap: 12px; align-items: flex-start;
    padding: 14px 18px; border-radius: 12px;
    background: rgba(20,184,166,.05); border: 1px solid rgba(20,184,166,.12);
}
.hero-tips b { color: #14b8a6; font-size: 13px; white-space: nowrap; }
.hero-tips p { margin: 0; font-size: 13px; color: #94a3b8; }

/* ============================== Hero Dashboard ============================== */
.hero-dashboard {
    position: relative; padding: 28px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(18,22,35,.6), rgba(10,14,22,.8));
    border: 1px solid rgba(245,158,11,.08);
    backdrop-filter: blur(20px);
}
.dashboard-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.dashboard-head span { font-size: 12px; color: #64748b; font-weight: 600; }
.dashboard-head b { font-size: 12px; color: #14b8a6; font-weight: 700; }

.dashboard-body {
    display: grid; grid-template-columns: 160px 1fr; gap: 20px; margin-bottom: 20px;
}
.phone-preview {
    display: block; width: 160px; height: auto;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,.5));
}
.phone-notch { width: 50%; height: 18px; margin: 0 auto; background: #0a0e1a; border-radius: 0 0 12px 12px; }
.phone-inner { padding: 20px 14px; text-align: center; }
.phone-inner .wallet-icon {
    width: 44px; height: 44px; margin: 0 auto 12px;
    display: grid; place-items: center; border-radius: 12px;
    color: #0a0e1a; font-size: 18px; font-weight: 900;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}
.phone-inner .wallet-balance { font-size: 18px; color: #f1f5f9; font-weight: 800; }
.phone-inner .wallet-label { font-size: 11px; color: #64748b; margin-bottom: 16px; }
.wallet-menu { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.wallet-menu-item { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 4px; border-radius: 8px; background: rgba(245,158,11,.04); }
.menu-dot { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 8px; font-size: 12px; color: #f59e0b; background: rgba(245,158,11,.08); }
.wallet-menu-item span { font-size: 10px; color: #94a3b8; }

.status-card {
    padding: 16px; border-radius: 14px;
    background: rgba(30,35,50,.4); border: 1px solid rgba(245,158,11,.06);
}
.status-card b { display: block; font-size: 13px; color: #e2e8f0; margin-bottom: 4px; }
.status-card span { font-size: 12px; color: #64748b; }
.card-a { border-left: 3px solid #f59e0b; }
.card-b { border-left: 3px solid #14b8a6; }
.card-c { border-left: 3px solid #8b5cf6; }
.status-card { margin-bottom: 10px; }

.dashboard-list { display: grid; gap: 8px; }
.dashboard-list p { margin: 0; font-size: 13px; color: #94a3b8; display: flex; align-items: center; gap: 8px; }
.dashboard-list b { width: 6px; height: 6px; border-radius: 50%; background: #f59e0b; flex-shrink: 0; }

/* ============================== Shortcut ============================== */
.shortcut-section { padding: 20px 0; }
.shortcut-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.shortcut-grid a {
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 16px 8px; border-radius: 14px;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
    transition: all .25s ease;
}
.shortcut-grid a:hover { background: rgba(245,158,11,.06); border-color: rgba(245,158,11,.15); transform: translateY(-2px); }
.shortcut-grid b { font-size: 22px; }
.shortcut-grid span { font-size: 12px; color: #94a3b8; font-weight: 600; }

/* ============================== Section Title ============================== */
.section-title { text-align: center; margin-bottom: 40px; }
.section-title span { display: block; margin-bottom: 10px; }
.section-title h2 { margin: 0 0 12px; font-size: 28px; font-weight: 900; color: #f1f5f9; letter-spacing: -.5px; }
.section-title p { margin: 0 auto; max-width: 600px; font-size: 14px; color: #64748b; }
.section-title::after { content: ''; display: block; width: 60px; height: 3px; margin: 16px auto 0; border-radius: 999px; background: linear-gradient(90deg, transparent, #f59e0b, transparent); }

/* ============================== Download ============================== */
.download-section { padding: 60px 0; }
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.download-card {
    padding: 28px; border-radius: 20px;
    background: linear-gradient(180deg, rgba(18,22,35,.5), rgba(10,14,22,.7));
    border: 1px solid rgba(245,158,11,.08);
    transition: all .3s ease;
}
.download-card.main { border-color: rgba(245,158,11,.2); }
.download-card.alert { border-color: rgba(239,68,68,.12); }
.download-card:hover { border-color: rgba(245,158,11,.2); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,.3); }
.download-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.download-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 12px; }
.download-icon.android { color: #14b8a6; background: rgba(20,184,166,.1); }
.download-icon.ios { color: #e2e8f0; background: rgba(226,232,240,.08); }
.download-icon.notice { color: #ef4444; background: rgba(239,68,68,.08); }
.download-header em { font-size: 12px; font-style: normal; color: #64748b; font-weight: 600; }
.download-card h3 { margin: 0 0 12px; font-size: 20px; color: #f1f5f9; font-weight: 800; }
.download-card ul { margin: 0 0 20px; padding: 0; list-style: none; }
.download-card li { font-size: 14px; color: #94a3b8; padding: 4px 0 4px 18px; position: relative; }
.download-card li::before { content: ''; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: #f59e0b; }

/* ============================== Metrics ============================== */
.metrics-section { padding: 40px 0; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.metrics-grid article {
    padding: 28px 16px; border-radius: 16px;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
}
.count-num { display: block; font-size: 36px; font-weight: 900; color: #f59e0b; margin-bottom: 6px; }
.metrics-grid span { font-size: 13px; color: #64748b; }

/* ============================== Version ============================== */
.version-section { padding: 60px 0; }
.version-layout { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.version-card {
    padding: 24px; border-radius: 16px;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
    transition: all .3s ease;
}
.version-card:hover { border-color: rgba(245,158,11,.15); transform: translateY(-2px); }
.version-card span { display: inline-block; margin-bottom: 10px; font-size: 14px; font-weight: 800; color: #f59e0b; }
.version-card h3 { margin: 0 0 8px; font-size: 16px; color: #f1f5f9; }
.version-card p { margin: 0; font-size: 13px; color: #64748b; line-height: 1.5; }

/* ============================== Features ============================== */
.features-section { padding: 60px 0; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card {
    padding: 24px; border-radius: 16px;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
    transition: all .3s ease;
}
.feature-card:hover { border-color: rgba(245,158,11,.15); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,158,11,.04); }
.feature-icon {
    width: 40px; height: 40px; margin-bottom: 14px;
    display: grid; place-items: center; border-radius: 10px;
    font-size: 16px; font-weight: 800; color: #f59e0b;
    background: rgba(245,158,11,.08);
}
.feature-card b { display: block; font-size: 16px; color: #f1f5f9; margin-bottom: 8px; font-weight: 700; }
.feature-card p { margin: 0; font-size: 13px; color: #64748b; line-height: 1.55; }

/* ============================== Install Timeline ============================== */
.install-section { padding: 60px 0; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.timeline-item {
    position: relative; padding: 24px 20px; border-radius: 16px;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
    transition: all .3s ease;
}
.timeline-item:hover { border-color: rgba(245,158,11,.12); }
.timeline-item em {
    display: grid; place-items: center; width: 32px; height: 32px;
    margin-bottom: 14px; border-radius: 50%; font-size: 14px; font-style: normal;
    font-weight: 800; color: #0a0e1a;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}
.timeline-item h3 { margin: 0 0 8px; font-size: 16px; color: #f1f5f9; }
.timeline-item p { margin: 0; font-size: 13px; color: #64748b; line-height: 1.5; }

/* ============================== Security ============================== */
.security-section { padding: 60px 0; }
.security-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.security-content > span { display: block; margin-bottom: 10px; }
.security-content h2 { margin: 0 0 14px; font-size: 28px; color: #f1f5f9; font-weight: 900; }
.security-content > p { margin: 0 0 24px; font-size: 14px; color: #64748b; }
.security-list { display: grid; gap: 12px; }
.security-list article {
    padding: 18px 20px; border-radius: 14px;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
    border-left: 3px solid #f59e0b;
}
.security-list b { display: block; font-size: 15px; color: #f1f5f9; margin-bottom: 6px; }
.security-list p { margin: 0; font-size: 13px; color: #64748b; }

.security-visual { text-align: center; }
.shield {
    position: relative; width: 200px; height: 200px; margin: 0 auto 24px;
    display: grid; place-items: center; border-radius: 50%;
    background: radial-gradient(circle, rgba(245,158,11,.06), transparent 70%);
}
.shield-ring {
    position: absolute; inset: 20px; border-radius: 50%;
    border: 2px solid rgba(245,158,11,.1); border-top-color: rgba(245,158,11,.3);
    animation: shieldRing 8s linear infinite;
}
.shield strong { font-size: 28px; font-weight: 900; color: #f59e0b; letter-spacing: 2px; }
.shield span { display: block; font-size: 12px; color: #64748b; margin-top: 6px; }
.shield-note { display: grid; gap: 8px; text-align: left; }
.shield-note p { margin: 0; font-size: 13px; color: #94a3b8; display: flex; align-items: center; gap: 8px; }
.shield-note b { width: 6px; height: 6px; border-radius: 50%; background: #f59e0b; flex-shrink: 0; }

/* ============================== FAQ ============================== */
.faq-section { padding: 60px 0; }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
    margin-bottom: 10px; border-radius: 14px; overflow: hidden;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
    transition: border-color .25s ease;
}
.faq-item.active { border-color: rgba(245,158,11,.2); }
.faq-item button {
    width: 100%; padding: 18px 22px; display: flex; justify-content: space-between; align-items: center;
    background: none; border: none; cursor: pointer;
    font-size: 15px; font-weight: 700; color: #e2e8f0; text-align: left;
}
.faq-item button i {
    flex-shrink: 0; width: 28px; height: 28px; display: grid; place-items: center;
    border-radius: 8px; font-size: 18px; font-style: normal; color: #f59e0b;
    background: rgba(245,158,11,.08); transition: transform .3s ease;
}
.faq-item.active button i { transform: rotate(45deg); }
.faq-body { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item.active .faq-body { max-height: 300px; }
.faq-body p { margin: 0; padding: 0 22px 18px; font-size: 14px; color: #94a3b8; line-height: 1.6; }

/* ============================== News ============================== */
.news-section { padding: 60px 0; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card {
    padding: 0; border-radius: 16px; overflow: hidden;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
    transition: all .3s ease;
}
.news-card:hover { border-color: rgba(245,158,11,.15); transform: translateY(-3px); }
.news-cover { height: 160px; overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; }
.news-card em { display: block; padding: 14px 18px 0; font-size: 12px; font-style: normal; color: #64748b; }
.news-card h3 { margin: 8px 18px 8px; font-size: 16px; color: #f1f5f9; line-height: 1.4; }
.news-card p { margin: 0 18px 14px; font-size: 13px; color: #64748b; }
.news-card a { display: block; margin: 0 18px 18px; font-size: 13px; font-weight: 700; color: #f59e0b; }
.more-link { text-align: center; margin-top: 32px; }
.more-link a { display: inline-block; }

/* ============================== Footer ============================== */
.site-footer {
    margin-top: 40px; padding: 40px 0 0;
    background: rgba(8,11,20,.6); border-top: 1px solid rgba(245,158,11,.06);
}
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 30px; padding-bottom: 30px; }
.footer-logo { font-size: 18px; font-weight: 800; color: #f1f5f9; }
.footer-inner p { margin: 8px 0 0; font-size: 13px; color: #64748b; max-width: 400px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-start; }
.footer-links a { font-size: 13px; color: #64748b; }
.footer-links a:hover { color: #f59e0b; }
.footer-bottom { padding: 16px 0; border-top: 1px solid rgba(245,158,11,.04); text-align: center; font-size: 12px; color: #475569; }

/* ============================== Float Panel & Back Top ============================== */
.float-panel {
    position: fixed; right: 20px; bottom: 80px; z-index: 8000;
    display: flex; flex-direction: column; gap: 8px;
}
.float-panel a {
    padding: 10px 16px; border-radius: 10px; font-size: 13px; font-weight: 700;
    color: #e2e8f0; background: rgba(18,22,35,.8); backdrop-filter: blur(12px);
    border: 1px solid rgba(245,158,11,.08); transition: all .25s ease;
}
.float-panel a:hover { background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.2); color: #f59e0b; }
.back-top {
    position: fixed; right: 20px; bottom: 20px; z-index: 8000;
    width: 44px; height: 44px; display: grid; place-items: center;
    border-radius: 12px; font-size: 18px; color: #f59e0b;
    background: rgba(18,22,35,.8); backdrop-filter: blur(12px);
    border: 1px solid rgba(245,158,11,.08); transition: all .25s ease;
}
.back-top:hover { background: rgba(245,158,11,.1); transform: translateY(-2px); }

/* ============================== Reveal Animation ============================== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }

/* ============================== Article Reader ============================== */
.reader-hero {
    position: relative; padding: 40px 0 30px; overflow: hidden;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(245,158,11,.04), transparent);
}
.page-pattern {
    position: absolute; inset: 0; opacity: .3;
    background-image: radial-gradient(circle at 1px 1px, rgba(245,158,11,.1) 1px, transparent 0);
    background-size: 28px 28px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}
.page-shape { position: absolute; border-radius: 50%; filter: blur(50px); opacity: .1; }
.shape-left { width: 300px; height: 300px; top: -50px; left: -100px; background: #f59e0b; }
.shape-right { width: 250px; height: 250px; bottom: -50px; right: -80px; background: #14b8a6; }

.breadcrumb { margin-bottom: 24px; display: flex; gap: 8px; align-items: center; font-size: 13px; }
.breadcrumb a { color: #64748b; }
.breadcrumb a:hover { color: #f59e0b; }
.breadcrumb span { color: #475569; }
.breadcrumb em { color: #f59e0b; font-style: normal; font-weight: 600; }

.reader-title span { display: block; margin-bottom: 10px; color: #f59e0b; font-size: 11px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; }
.reader-title h1 { margin: 0 0 16px; font-size: 30px; color: #f1f5f9; font-weight: 900; line-height: 1.3; letter-spacing: -.5px; }
.reader-meta { display: flex; flex-wrap: wrap; gap: 16px; }
.reader-meta em { font-size: 13px; font-style: normal; color: #64748b; }

.reader-main { padding: 20px 0 40px; }
.reader-layout { display: grid; grid-template-columns: 1fr 320px; gap: 30px; }
.reader-section { min-width: 0; }
.reader-card {
    padding: 32px; border-radius: 20px;
    background: rgba(18,22,35,.5); border: 1px solid rgba(245,158,11,.06);
}
.reader-notice {
    display: flex; gap: 14px; align-items: flex-start; margin-bottom: 24px;
    padding: 16px 20px; border-radius: 14px;
    background: rgba(245,158,11,.04); border: 1px solid rgba(245,158,11,.1);
}
.reader-notice span {
    flex-shrink: 0; width: 36px; height: 36px; display: grid; place-items: center;
    border-radius: 10px; color: #0a0e1a; font-size: 13px; font-weight: 900;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}
.reader-notice strong { display: block; font-size: 14px; color: #f1f5f9; margin-bottom: 4px; }
.reader-notice p { margin: 0; font-size: 13px; color: #94a3b8; }

.article-cover { width: 100%; max-height: 280px; object-fit: cover; border-radius: 14px; margin-bottom: 24px; }
.article-body p { margin: 0 0 16px; font-size: 15px; color: #cbd5e1; line-height: 1.8; }
.article-body h2 { margin: 28px 0 14px; font-size: 20px; color: #f1f5f9; font-weight: 800; border-left: 3px solid #f59e0b; padding-left: 12px; }
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 20px; }
.article-body li { margin-bottom: 6px; font-size: 14px; color: #94a3b8; }
.article-body li b { color: #e2e8f0; }
.article-body blockquote {
    margin: 0 0 16px; padding: 14px 20px; border-radius: 12px;
    background: rgba(245,158,11,.04); border-left: 3px solid #f59e0b;
    font-size: 14px; color: #94a3b8;
}

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.tag-row span {
    padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 600;
    color: #f59e0b; background: rgba(245,158,11,.06); border: 1px solid rgba(245,158,11,.12);
}

.reader-module {
    margin-bottom: 20px; padding: 24px; border-radius: 16px;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
}
.reader-module span { display: block; margin-bottom: 8px; color: #f59e0b; font-size: 11px; font-weight: 800; letter-spacing: 2px; }
.reader-module h3 { margin: 0 0 14px; font-size: 17px; color: #f1f5f9; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.check-grid p { margin: 0; font-size: 13px; color: #94a3b8; padding: 10px 14px; border-radius: 10px; background: rgba(245,158,11,.03); }
.check-grid b { color: #f59e0b; }
.reader-module.warning-module { border-color: rgba(239,68,68,.1); }
.warning-module span { color: #ef4444; }
.warning-module ul { margin: 0; padding-left: 18px; }
.warning-module li { font-size: 13px; color: #94a3b8; margin-bottom: 6px; }

.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.prev-next > div { padding: 16px 20px; border-radius: 14px; background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06); }
.prev-next span { font-size: 12px; color: #64748b; }
.prev-next strong { display: block; margin-top: 6px; font-size: 14px; color: #e2e8f0; font-weight: 700; }

/* ============================== Sidebar ============================== */
.portal-sidebar { display: flex; flex-direction: column; gap: 16px; }
.side-card {
    padding: 22px; border-radius: 16px;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
}
.side-card span { display: block; margin-bottom: 8px; color: #f59e0b; font-size: 11px; font-weight: 800; letter-spacing: 2px; }
.side-card h3 { margin: 0 0 10px; font-size: 16px; color: #f1f5f9; }
.side-card p { margin: 0 0 16px; font-size: 13px; color: #64748b; }
.side-download a { display: inline-block; }
.side-phone { display: block; width: 140px; height: auto; margin: 0 auto; filter: drop-shadow(0 16px 32px rgba(0,0,0,.45)); }
.side-tips { display: grid; gap: 8px; }
.side-tips p { margin: 0; font-size: 13px; color: #94a3b8; display: flex; align-items: center; gap: 8px; }
.side-tips b { width: 6px; height: 6px; border-radius: 50%; background: #f59e0b; flex-shrink: 0; }
.side-news { display: flex; flex-direction: column; gap: 10px; }
.side-news a { display: flex; gap: 10px; align-items: flex-start; }
.side-news em { flex-shrink: 0; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 6px; font-size: 12px; font-style: normal; font-weight: 800; color: #f59e0b; background: rgba(245,158,11,.06); }
.side-news b { font-size: 13px; color: #94a3b8; line-height: 1.4; }
.side-news a:hover b { color: #f59e0b; }

/* ============================== Tutorials Page ============================== */
.page-hero { position: relative; padding: 40px 0 30px; overflow: hidden; background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(245,158,11,.04), transparent); }
.page-hero-layout { display: grid; grid-template-columns: 1fr 280px; gap: 30px; align-items: center; }
.page-title span { display: block; margin-bottom: 10px; color: #f59e0b; font-size: 11px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; }
.page-title h1 { margin: 0 0 14px; font-size: 30px; color: #f1f5f9; font-weight: 900; letter-spacing: -.5px; }
.page-title p { margin: 0 0 20px; font-size: 14px; color: #64748b; }
.page-actions { display: flex; gap: 12px; }
.page-actions a { padding: 9px 20px; border-radius: 10px; font-size: 13px; font-weight: 700; }
.page-actions a:nth-child(2) { color: #e2e8f0; background: rgba(245,158,11,.06); border: 1px solid rgba(245,158,11,.12); }
.page-summary { padding: 22px; border-radius: 16px; background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06); }
.page-summary span { display: block; margin-bottom: 8px; color: #f59e0b; font-size: 11px; font-weight: 800; letter-spacing: 2px; }
.page-summary h3 { margin: 0 0 12px; font-size: 16px; color: #f1f5f9; }
.page-summary > div { display: grid; gap: 8px; }
.page-summary p { margin: 0; font-size: 13px; color: #94a3b8; display: flex; align-items: center; gap: 8px; }
.page-summary b { width: 6px; height: 6px; border-radius: 50%; background: #f59e0b; flex-shrink: 0; }

.list-main { padding: 20px 0 40px; }
.list-layout { display: grid; grid-template-columns: 1fr 320px; gap: 30px; }
.article-section { min-width: 0; }
.article-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; padding: 20px 24px; border-radius: 16px; background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06); }
.article-toolbar span { display: block; color: #f59e0b; font-size: 11px; font-weight: 800; letter-spacing: 2px; }
.article-toolbar h2 { margin: 4px 0 4px; font-size: 18px; color: #f1f5f9; }
.article-toolbar p { margin: 0; font-size: 13px; color: #64748b; }
.toolbar-tags { display: flex; gap: 8px; }
.toolbar-tags span { padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; color: #94a3b8; background: rgba(245,158,11,.04); border: 1px solid rgba(245,158,11,.08); }

.article-list { display: grid; gap: 16px; }
.article-card {
    display: grid; grid-template-columns: 200px 1fr; gap: 0; overflow: hidden;
    border-radius: 16px; background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
    transition: all .3s ease;
}
.article-card:hover { border-color: rgba(245,158,11,.15); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,.2); }
.article-thumb { overflow: hidden; }
.article-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.article-card:hover .article-thumb img { transform: scale(1.05); }
.article-info { padding: 18px 22px; }
.article-info em { font-size: 12px; font-style: normal; color: #64748b; }
.article-info h2 { margin: 6px 0 8px; font-size: 16px; line-height: 1.35; }
.article-info h2 a { color: #e2e8f0; }
.article-info h2 a:hover { color: #f59e0b; }
.article-info p { margin: 0 0 10px; font-size: 13px; color: #64748b; line-height: 1.5; }
.article-meta { display: flex; gap: 12px; flex-wrap: wrap; }
.article-meta span { font-size: 12px; color: #475569; }
.article-link { padding: 0 22px 18px; }
.article-link a { font-size: 13px; font-weight: 700; color: #f59e0b; }
.article-link a:hover { text-decoration: underline; }

.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }
.pagination a, .page-btn {
    min-width: 38px; height: 38px; display: grid; place-items: center;
    border-radius: 10px; font-size: 14px; font-weight: 700; color: #94a3b8;
    background: rgba(18,22,35,.4); border: 1px solid rgba(245,158,11,.06);
    padding: 0 12px; transition: all .2s ease;
}
.pagination a:hover, .page-btn:hover { color: #f59e0b; border-color: rgba(245,158,11,.15); }
.pagination a.active, .page-btn.active {
    color: #0a0e1a; background: linear-gradient(135deg, #f59e0b, #fbbf24); border-color: transparent;
}
.pg-next { padding: 0 16px !important; }

/* ============================== Keyframes ============================== */
@keyframes shimmer { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }
@keyframes ringPulse { 0%,100% { opacity: .3; } 50% { opacity: .5; } }
@keyframes shieldRing { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes glowPulse { 0%,100% { opacity: 0; } 50% { opacity: .4; } }
@keyframes cardFade { from { opacity: 0; transform: scale(.92) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes checkIn { from { opacity: 0; transform: translateX(-12px); } to { opacity: 1; transform: translateX(0); } }
@keyframes dotGlow { 50% { box-shadow: 0 0 6px rgba(245,158,11,.3); } }
@keyframes barMove { 0% { width: 25%; } 50% { width: 55%; } 100% { width: 25%; } }

/* ============================== Responsive ============================== */
@media (max-width: 1024px) {
    .hero-layout, .reader-layout, .list-layout, .security-layout, .page-hero-layout { grid-template-columns: 1fr; }
    .feature-grid, .version-layout, .timeline { grid-template-columns: repeat(2, 1fr); }
    .download-grid, .news-grid { grid-template-columns: 1fr; }
    .dashboard-body { grid-template-columns: 1fr; }
    .phone-preview { width: 100%; max-width: 200px; margin: 0 auto; }
    .portal-sidebar { display: none; }
}
@media (max-width: 768px) {
    .nav { display: none; position: fixed; top: 64px; left: 0; right: 0; flex-direction: column; padding: 16px; background: rgba(8,11,20,.95); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(245,158,11,.08); gap: 4px; }
    .nav-check:checked ~ .nav { display: flex; }
    .nav-toggle { display: flex; }
    .header-action { display: none; }
    .shortcut-grid { grid-template-columns: repeat(3, 1fr); }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-grid, .version-layout, .timeline { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .article-card { grid-template-columns: 1fr; }
    .article-thumb { height: 160px; }
    .check-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 28px; }
    .section-title h2, .security-content h2 { font-size: 22px; }
}