/* ========================================
   深色青蓝交易终端风格 - style.css
   Template 011
======================================== */
* { margin:0; padding:0; box-sizing:border-box; }

:root {
    --bg: #0b0e11;
    --bg-2: #11161d;
    --bg-3: #1a2029;
    --bg-4: #232b36;
    --border: #2a3441;
    --border-light: #3a4556;
    --text: #eaecef;
    --text-muted: #848e9c;
    --text-dim: #5e6673;
    --cyan: #00d4ff;
    --cyan-dark: #00a3cc;
    --cyan-glow: rgba(0,212,255,0.15);
    --green: #0ecb81;
    --yellow: #f0b90b;
    --red: #f6465d;
    --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif;
    --font-mono: 'SF Mono', Consolas, Monaco, monospace;
    --radius: 8px;
    --radius-sm: 4px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

a { color: inherit; text-decoration: none; transition: color 0.2s; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* Ticker */
.top-ticker {
    background: var(--cyan);
    color: #000;
    padding: 6px 0;
    overflow: hidden;
    font-size: 12px;
    font-weight: 600;
}
.ticker-track {
    display: flex;
    gap: 24px;
    white-space: nowrap;
    animation: ticker 30s linear infinite;
}
@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.tk-item strong { font-weight: 900; }
.tk-sep { color: #000; opacity: 0.5; }

/* Header */
.site-header {
    background: rgba(11,14,17,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-mark {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--cyan) 0%, #0099cc 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 18px; font-weight: 900; color: white; }
.brand-tag { font-size: 9px; color: var(--cyan); font-family: var(--font-mono); letter-spacing: 0.1em; font-weight: 700; }
.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav a {
    display: block;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
}
.main-nav a:hover, .main-nav a.active { color: var(--cyan); }
.nav-cta a { background: var(--cyan); color: #000 !important; font-weight: 700; }
.nav-cta a:hover { background: var(--cyan-dark); color: #000 !important; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.menu-toggle span { width: 24px; height: 2px; background: white; transition: all 0.2s; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-cyan { background: var(--cyan); color: #000; border-color: var(--cyan); }
.btn-cyan:hover { background: var(--cyan-dark); border-color: var(--cyan-dark); box-shadow: 0 4px 16px var(--cyan-glow); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: white; border-color: var(--border-light); }
.btn-ghost:hover { background: var(--bg-3); border-color: var(--cyan); }
.btn-outline { background: transparent; color: var(--cyan); border-color: var(--cyan); }
.btn-outline:hover { background: var(--cyan-glow); }
.btn-primary { background: var(--cyan); color: #000; }
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn.full { width: 100%; }

/* Hero */
.hero {
    padding: 80px 0 100px;
    background:
        radial-gradient(ellipse 80% 60% at 20% 30%, var(--cyan-glow) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 70%, rgba(14,203,129,0.08) 0%, transparent 60%),
        var(--bg);
    position: relative;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}
.hb-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.hb-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); animation: pulse 2s infinite; }
.hb-dot.cyan { background: var(--cyan); }
.hb-dot.green { background: var(--green); }
@keyframes pulse {
    0%,100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}
.hl { color: var(--cyan); }
.hl-cyan { color: var(--cyan); position: relative; }
.hl-cyan::after {
    content: '';
    position: absolute;
    left: 0; bottom: 4px;
    width: 100%; height: 8px;
    background: var(--cyan-glow);
    z-index: -1;
}
.hero-desc {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 560px;
    margin-bottom: 32px;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.hero-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 600;
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.hero-phone:hover { color: var(--cyan); border-color: var(--cyan); }
.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}
.stat-item { display: flex; flex-direction: column; }
.stat-num { font-size: 28px; font-weight: 900; color: var(--cyan); font-family: var(--font-mono); }
.stat-label { font-size: 12px; color: var(--text-dim); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }
.hero-visual { position: relative; }
.hv-main {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
}
.hv-main img { width: 100%; }
.hv-glow {
    position: absolute; inset: -20px;
    background: radial-gradient(ellipse at center, var(--cyan-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(30px);
}
.hv-card {
    position: absolute;
    background: var(--bg-2);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.hv-c1 {
    top: -20px; left: -30px;
    padding: 12px 16px;
}
.hvc-head { display: flex; gap: 6px; margin-bottom: 8px; }
.hvc-dot { width: 10px; height: 10px; border-radius: 50%; }
.hvc-dot.green { background: var(--green); }
.hvc-dot.yellow { background: var(--yellow); }
.hvc-dot.red { background: var(--red); }
.hvc-body { display: flex; align-items: center; gap: 8px; }
.hvc-label { font-size: 10px; color: var(--green); font-family: var(--font-mono); font-weight: 700; }
.hvc-body strong { font-size: 13px; }
.hv-c2 {
    bottom: -20px; right: -20px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.hvc-icon { font-size: 24px; }
.hv-c2 small { display: block; font-size: 11px; color: var(--text-dim); }
.hv-c2 strong { font-size: 14px; }

/* Section Headers */
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 48px;
}
.section-header.center { flex-direction: column; text-align: center; align-items: center; }
.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--cyan);
    letter-spacing: 0.15em;
    font-weight: 700;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}
.section-label::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    width: 16px; height: 2px;
    background: var(--cyan);
}
.section-header h2 {
    font-size: 36px;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.2;
}
.section-header p {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 480px;
    line-height: 1.7;
}
.section-header.center p { max-width: 600px; }

/* Platforms */
.platforms {
    padding: 100px 0;
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.platform-tile {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all 0.2s;
}
.platform-tile:hover {
    border-color: var(--cyan);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--cyan-glow);
}
.pt-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
.pt-logo {
    width: 56px; height: 56px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-weight: 900;
    font-family: var(--font-mono);
    font-size: 16px;
}
.logo-okx { background: var(--bg); color: white; border: 1px solid var(--border-light); }
.logo-binance { background: #f3ba2f; color: #000; }
.logo-bitget { background: #00d4ff; color: #000; }
.logo-bybit { background: #f7a600; color: #000; }
.logo-kraken { background: #5841d8; color: white; }
.pt-verify {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 700;
    background: rgba(14,203,129,0.15);
    color: var(--green);
    border: 1px solid rgba(14,203,129,0.3);
    font-family: var(--font-mono);
}
.pt-verify.warn { background: rgba(240,185,11,0.15); color: var(--yellow); border-color: rgba(240,185,11,0.3); }
.platform-tile h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.pt-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; min-height: 66px; }
.pt-devices { display: flex; gap: 8px; margin-bottom: 20px; padding-top: 16px; border-top: 1px dashed var(--border); }
.pt-devices span {
    width: 32px; height: 32px;
    background: var(--bg-4);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
    color: var(--text-muted);
}
.pt-actions { display: flex; gap: 8px; }
.pt-actions .btn { flex: 1; }
.platform-tile.more {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--bg);
    border-style: dashed;
}
.pt-more-icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--cyan-glow);
    color: var(--cyan);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}

/* Downloads */
.downloads { padding: 100px 0; background: var(--bg); }
.device-tabs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    border: 1px solid var(--border-light);
    border-radius: var(--radius) var(--radius) 0 0;
    overflow: hidden;
    background: var(--bg-2);
}
.dt-btn {
    display: flex; align-items: center; gap: 12px;
    padding: 18px;
    border-right: 1px solid var(--border);
    transition: all 0.15s;
    text-align: left;
    color: var(--text-muted);
}
.dt-btn:last-child { border-right: none; }
.dt-btn svg { flex-shrink: 0; }
.dt-btn.active { background: var(--cyan); color: #000; }
.dt-btn.active svg { color: #000; }
.dt-btn.active em { color: #333; }
.dt-btn span strong { display: block; font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.dt-btn span em { font-size: 11px; color: var(--text-dim); font-style: normal; font-family: var(--font-mono); }

.device-panel-wrap {
    background: var(--bg-2);
    border: 1px solid var(--border-light);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 28px;
}
.device-panel { display: none; }
.device-panel.active { display: block; }
.dp-head {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}
.dp-head h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; color: var(--cyan); }
.dp-head p { font-size: 14px; color: var(--text-muted); }
.dp-list { display: flex; flex-direction: column; gap: 0; }
.dp-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 20px;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}
.dp-row:last-child { border-bottom: none; }
.dp-row:hover { background: var(--bg-3); }
.dp-info { display: flex; align-items: center; gap: 16px; }
.dp-logo {
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 900;
    flex-shrink: 0;
}
.okx-sm { background: var(--bg); color: white; border: 1px solid var(--border); }
.binance-sm { background: #f3ba2f; color: #000; }
.bitget-sm { background: #00d4ff; color: #000; }
.bybit-sm { background: #f7a600; color: #000; }
.kraken-sm { background: #5841d8; color: white; }
.dp-info h4 { font-size: 14px; font-weight: 700; margin-bottom: 3px; }
.dp-info p { font-size: 12px; color: var(--text-dim); font-family: var(--font-mono); }
.dp-badge {
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    font-family: var(--font-mono);
}
.bg-green { background: rgba(14,203,129,0.15); color: var(--green); }
.bg-blue { background: var(--cyan-glow); color: var(--cyan); }
.bg-gray { background: var(--bg-4); color: var(--text-muted); }

.web-guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.wgt-item {
    padding: 24px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    border-left: 3px solid var(--cyan);
}
.wgt-num { font-family: var(--font-mono); font-size: 24px; font-weight: 900; color: var(--cyan); margin-bottom: 12px; }
.wgt-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.wgt-item p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

.warn-bar {
    margin-top: 24px;
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(246,70,93,0.08);
    border: 1px solid rgba(246,70,93,0.3);
    border-left: 4px solid var(--red);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: #f8a3ad;
    line-height: 1.7;
}
.warn-bar strong { color: #fca5af; }
.warn-bar svg { color: var(--red); flex-shrink: 0; }

/* Features */
.features { padding: 100px 0; background: var(--bg-2); }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 32px;
}
.feature-card {
    padding: 32px;
    background: var(--bg-2);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}
.feature-card:nth-child(3n) { border-right: none; }
.feature-card:nth-child(n+4) { border-bottom: none; }
.feature-card:hover { background: var(--bg-3); }
.fc-icon {
    width: 48px; height: 48px;
    background: var(--cyan-glow);
    color: var(--cyan);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.fc-link { font-size: 13px; font-weight: 700; color: var(--cyan); font-family: var(--font-mono); }
.fc-link:hover { color: var(--cyan-dark); }

.risk-alert {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: rgba(246,70,93,0.06);
    border: 1px solid rgba(246,70,93,0.3);
    border-radius: var(--radius);
}
.ra-icon { color: var(--red); flex-shrink: 0; }
.risk-alert h4 { color: #fca5af; font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.risk-alert p { font-size: 14px; color: var(--text-muted); line-height: 1.8; }

/* Guide */
.guide { padding: 100px 0; background: var(--bg); }
.steps-wrap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
}
.step-item {
    padding: 28px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    border-top: 3px solid var(--cyan);
    transition: all 0.2s;
}
.step-item:hover { border-color: var(--cyan); transform: translateY(-4px); }
.step-num {
    font-family: var(--font-mono);
    font-size: 40px;
    font-weight: 900;
    color: var(--cyan);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.7;
}
.step-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-item > p { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.step-item ul { display: flex; flex-direction: column; gap: 6px; }
.step-item li {
    font-size: 12px;
    color: var(--text-muted);
    padding-left: 16px;
    position: relative;
}
.step-item li::before {
    content: '▸';
    position: absolute; left: 0;
    color: var(--cyan);
}

/* Safety */
.safety { padding: 100px 0; background: var(--bg-2); border-top: 1px solid var(--border); }
.safety-wrap { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; }
.safety-left h2 { font-size: 36px; font-weight: 900; line-height: 1.2; margin: 12px 0 20px; }
.safety-left > p { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 28px; }
.safety-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.sf-item {
    padding: 24px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.2s;
}
.sf-item:hover { border-color: var(--cyan); }
.sf-icon { font-size: 28px; margin-bottom: 12px; }
.sf-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--cyan); }
.sf-item p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* News - 硬性规范 */
.news { padding: 100px 0; background: var(--bg); }
ul.article-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
}
ul.article-cards > li.article-card {
    min-width: 0;
    width: auto;
    max-width: none;
    margin: 0;
    float: none;
    box-sizing: border-box;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.2s;
}
ul.article-cards > li.article-card:hover {
    border-color: var(--cyan);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--cyan-glow);
}
.article-card .card-thumb {
    width: 100%;
    overflow: hidden;
    aspect-ratio: 16/10;
}
.article-card .card-thumb img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}
.article-card:hover .card-thumb img { transform: scale(1.05); }
.article-card .card-body { padding: 20px; }
.article-card .card-title {
    overflow-wrap: anywhere;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-card .card-title a:hover { color: var(--cyan); }
.article-card .card-date {
    display: block;
    font-size: 11px;
    color: var(--text-dim);
    font-family: var(--font-mono);
    margin-bottom: 8px;
    text-transform: uppercase;
}
.article-card .card-summary {
    overflow-wrap: anywhere;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* FAQ */
.faq { padding: 100px 0; background: var(--bg-2); border-top: 1px solid var(--border); }
.faq-wrap { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.faq-item.active { border-color: var(--cyan); }
.fq {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    text-align: left;
}
.fq-num {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 900;
    color: #000;
    background: var(--cyan);
    padding: 4px 8px;
    border-radius: 4px;
    flex-shrink: 0;
}
.fq-text { flex: 1; font-size: 15px; font-weight: 600; }
.fq-arrow { color: var(--text-dim); flex-shrink: 0; transition: transform 0.2s; }
.faq-item.active .fq-arrow { transform: rotate(180deg); color: var(--cyan); }
.fa { max-height: 0; overflow: hidden; transition: max-height 0.3s; }
.faq-item.active .fa { max-height: 400px; }
.fa p { padding: 0 24px 20px 80px; font-size: 14px; color: var(--text-muted); line-height: 1.8; }

/* About */
.about { padding: 100px 0; background: var(--bg); }
.about-wrap { max-width: 1000px; margin: 0 auto; }
.about-main h2 { font-size: 36px; font-weight: 900; margin: 12px 0 20px; }
.about-intro { font-size: 16px; color: var(--text-muted); line-height: 1.8; margin-bottom: 40px; }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px; }
.ab-item { padding: 24px; background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color 0.2s; }
.ab-item:hover { border-color: var(--cyan); }
.ab-icon { width: 44px; height: 44px; background: var(--cyan-glow); color: var(--cyan); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.ab-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--cyan); }
.ab-item p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.about-disclaimer {
    padding: 24px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-left: 4px solid var(--yellow);
    border-radius: var(--radius);
}
.about-disclaimer h4 { font-size: 16px; font-weight: 700; color: var(--yellow); margin-bottom: 12px; }
.about-disclaimer p { font-size: 13px; color: var(--text-muted); line-height: 1.8; margin-bottom: 8px; }
.about-disclaimer p:last-child { margin-bottom: 0; }

/* Contact */
.contact { padding: 100px 0; background: var(--bg-2); border-top: 1px solid var(--border); }
.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    background: var(--bg-3);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 48px;
}
.contact-info h2 { font-size: 32px; font-weight: 900; margin: 12px 0 16px; }
.contact-info > p { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 32px; }
.ci-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 24px; }
.ci-row { display: flex; gap: 16px; align-items: center; }
.ci-icon { width: 48px; height: 48px; background: var(--cyan); color: #000; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ci-row small { display: block; font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; }
.ci-row strong, .ci-phone { font-size: 20px; font-weight: 900; color: white; }
.ci-phone:hover { color: var(--cyan); }
.ci-notice {
    display: flex;
    gap: 10px;
    padding: 16px;
    background: var(--cyan-glow);
    border: 1px solid rgba(0,212,255,0.2);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.6;
}
.ci-notice svg { color: var(--cyan); flex-shrink: 0; }
.contact-form { background: var(--bg-2); padding: 32px; border-radius: var(--radius); border: 1px solid var(--border); }
.contact-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; color: var(--cyan); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-size: 11px; font-weight: 700;
    color: var(--text-dim); margin-bottom: 8px;
    font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); font-size: 14px;
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--cyan);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-tip { margin-top: 12px; font-size: 12px; color: var(--text-dim); text-align: center; }

/* Footer */
.site-footer { background: var(--bg); border-top: 1px solid var(--border); padding: 60px 0 24px; }
.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border);
}
.brand-footer { margin-bottom: 20px; }
.footer-desc { font-size: 13px; color: var(--text-muted); line-height: 1.8; margin-bottom: 24px; }
.footer-phone-btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 12px 20px;
    background: var(--cyan);
    color: #000;
    border-radius: var(--radius-sm);
    font-weight: 900;
    font-size: 16px;
}
.footer-col h5 { font-size: 13px; font-weight: 900; color: var(--cyan); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px; font-family: var(--font-mono); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13px; color: var(--text-muted); }
.footer-col a:hover { color: var(--cyan); }
.group-links { display: flex; flex-direction: column; gap: 10px; font-size: 13px; }
.group-links a { color: var(--text-muted); }
.group-links a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; gap: 24px; flex-wrap: wrap; }
.fb-left p { font-size: 12px; color: var(--text-dim); line-height: 1.8; }
.disclaimer { color: var(--text-dim); font-size: 11px; }
.fb-right { display: flex; gap: 16px; }
.fb-right a { font-size: 12px; color: var(--text-dim); }
.fb-right a:hover { color: var(--cyan); }

/* Article Detail */
.article-page { padding: 40px 0 80px; background: var(--bg); }
.article-breadcrumb { margin-bottom: 24px; font-size: 13px; color: var(--text-dim); }
.article-breadcrumb a { color: var(--text-muted); }
.article-breadcrumb a:hover { color: var(--cyan); }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.article-body { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; }
.ab-tag { display: inline-block; font-family: var(--font-mono); font-size: 11px; font-weight: 700; background: var(--cyan); color: #000; padding: 4px 10px; margin-bottom: 16px; letter-spacing: 0.1em; }
.ab-title { font-size: 28px; font-weight: 900; line-height: 1.3; margin-bottom: 16px; }
.ab-meta { display: flex; gap: 16px; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); font-size: 12px; color: var(--text-dim); font-family: var(--font-mono); }
.ab-meta span { display: flex; align-items: center; gap: 6px; }
.ab-summary { padding: 20px; background: var(--cyan-glow); border-left: 3px solid var(--cyan); border-radius: var(--radius-sm); margin-bottom: 24px; }
.ab-summary em { display: inline-block; font-size: 11px; font-weight: 900; font-family: var(--font-mono); color: #000; background: var(--cyan); padding: 2px 8px; margin-bottom: 8px; font-style: normal; }
.ab-summary p { font-size: 15px; color: var(--text); line-height: 1.8; }
.ab-cover { margin-bottom: 28px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.ab-cover img { width: 100%; }
.ab-content { font-size: 15px; line-height: 1.9; color: var(--text); }
.ab-content h2, .ab-content h3, .ab-content h4 { margin-top: 32px; margin-bottom: 14px; font-weight: 900; color: var(--text); }
.ab-content h2 { font-size: 24px; }
.ab-content h3 { font-size: 20px; }
.ab-content h4 { font-size: 17px; }
.ab-content p { margin-bottom: 18px; }
.ab-content ul, .ab-content ol { margin-bottom: 18px; padding-left: 24px; }
.ab-content li { margin-bottom: 6px; }
.ab-content img { max-width: 100%; border-radius: var(--radius); margin: 20px 0; border: 1px solid var(--border); }
.ab-content blockquote { padding: 16px 20px; background: var(--bg-3); border-left: 3px solid var(--cyan); margin: 20px 0; font-size: 14px; color: var(--text-muted); border-radius: var(--radius-sm); }
.ab-risk { display: flex; gap: 12px; margin-top: 32px; padding: 16px; background: rgba(246,70,93,0.08); border: 1px solid rgba(246,70,93,0.3); border-left: 4px solid var(--red); border-radius: var(--radius-sm); font-size: 13px; color: #f8a3ad; line-height: 1.6; }
.ab-risk svg { color: var(--red); flex-shrink: 0; }

.article-side { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 16px; }
.as-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.as-card h5 { font-size: 13px; font-weight: 900; color: var(--cyan); text-transform: uppercase; letter-spacing: 0.1em; padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 16px; font-family: var(--font-mono); }
.as-links { display: flex; flex-direction: column; gap: 4px; }
.as-links a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; font-size: 13px; color: var(--text-muted); border-radius: var(--radius-sm); }
.as-links a span { font-family: var(--font-mono); font-size: 11px; color: var(--cyan); font-weight: 700; }
.as-links a:hover { background: var(--bg-3); color: var(--cyan); }
.as-cta { background: var(--cyan); color: #000; border-color: var(--cyan); }
.as-cta h5 { color: #000; border-bottom-color: rgba(0,0,0,0.2); }
.as-cta p { font-size: 13px; color: #222; margin-bottom: 16px; line-height: 1.6; }
.as-cta .btn-cyan { background: #000; color: var(--cyan); border-color: #000; }
.as-sec-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.as-sec-head h5 { padding: 0; border: none; margin: 0; }
.as-security ul { display: flex; flex-direction: column; gap: 8px; }
.as-security li { font-size: 13px; color: var(--text-muted); padding-left: 18px; position: relative; }
.as-security li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 900; }

.article-cta { margin-top: 32px; padding: 32px; background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.article-cta h3 { font-size: 20px; font-weight: 900; margin-bottom: 4px; }
.article-cta p { font-size: 14px; color: var(--text-muted); }
.ac-btns { display: flex; gap: 12px; flex-shrink: 0; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { max-width: 500px; margin: 0 auto; }
    .platform-grid, .feature-grid, .steps-wrap, .safety-grid, .about-grid, .web-guide-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-card { border-right: 1px solid var(--border) !important; border-bottom: 1px solid var(--border) !important; }
    .feature-card:nth-child(2n) { border-right: none !important; }
    .device-tabs { grid-template-columns: repeat(3, 1fr); }
    .safety-wrap { grid-template-columns: 1fr; gap: 40px; }
    .contact-card { grid-template-columns: 1fr; padding: 32px; }
    .footer-main { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-side { position: static; }
}
@media (max-width: 768px) {
    .ticker-track { animation-duration: 20s; }
    .main-nav {
        display: none;
        position: fixed;
        top: 99px; left: 0; right: 0;
        background: var(--bg-2);
        padding: 20px;
        border-bottom: 1px solid var(--cyan);
        z-index: 99;
    }
    .main-nav.active { display: block; }
    .main-nav ul { flex-direction: column; gap: 0; }
    .main-nav a { padding: 14px 16px; border-bottom: 1px solid var(--border); }
    .nav-cta a { margin-left: 0; margin-top: 12px; text-align: center; }
    .menu-toggle { display: flex; }
    .hero { padding: 40px 0 60px; }
    .hero-title { font-size: 36px; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .hero-phone { width: 100%; justify-content: center; }
    .section-header { flex-direction: column; align-items: flex-start; }
    .section-header h2 { font-size: 28px; }
    .platforms, .downloads, .features, .guide, .safety, .news, .faq, .about, .contact { padding: 60px 0; }
    .platform-grid, .feature-grid, .steps-wrap, .safety-grid, .about-grid, .web-guide-grid { grid-template-columns: 1fr; }
    .device-tabs { grid-template-columns: 1fr; }
    .dt-btn { border-right: none; border-bottom: 1px solid var(--border); }
    .device-panel-wrap { padding: 20px; }
    .dp-row { grid-template-columns: 1fr; gap: 12px; }
    .form-row { grid-template-columns: 1fr; }
    .contact-card { padding: 24px; }
    .footer-main { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .ab-title { font-size: 22px; }
    .article-body { padding: 24px; }
    .article-cta { flex-direction: column; text-align: center; }
    .ac-btns { flex-direction: column; width: 100%; }
    .fa p { padding-left: 24px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}