/* ========================================
   现代靛蓝渐变商务风格 - style.css
   Template 012
======================================== */
* { margin:0; padding:0; box-sizing:border-box; }

:root {
    --indigo: #4f46e5;
    --indigo-dark: #4338ca;
    --indigo-light: #818cf8;
    --indigo-50: #eef2ff;
    --violet: #7c3aed;
    --purple: #9333ea;
    --blue: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --font: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
    --grad-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #9333ea 100%);
    --grad-soft: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.7;
    color: var(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; transition: all 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; outline: none; }

/* Top Announce */
.top-announce {
    background: var(--grad-primary);
    color: white;
    padding: 8px 0;
    font-size: 13px;
}
.top-announce .container {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    flex-wrap: wrap;
}
.ann-icon { font-size: 14px; }
.ann-tel {
    font-weight: 700;
    margin-left: auto;
    padding: 4px 14px;
    background: rgba(255,255,255,0.2);
    border-radius: 50px;
    font-size: 12px;
}
.ann-tel:hover { background: rgba(255,255,255,0.3); }

/* Header */
.site-header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky; top: 0; z-index: 100;
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
    width: 44px; height: 44px;
    background: var(--grad-primary);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 12px rgba(79,70,229,0.3);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 20px; font-weight: 900; color: var(--gray-900); letter-spacing: -0.01em; }
.brand-sub { font-size: 10px; color: var(--gray-400); letter-spacing: 0.08em; font-weight: 500; }
.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav a {
    display: block;
    padding: 8px 16px;
    font-size: 14px; font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-sm);
}
.main-nav a:hover { color: var(--indigo); background: var(--indigo-50); }
.main-nav a.active { color: var(--indigo); background: var(--indigo-50); font-weight: 700; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-phone {
    display: flex; align-items: center; gap: 8px;
    font-size: 14px; font-weight: 700;
    color: var(--gray-700);
}
.nav-phone:hover { color: var(--indigo); }
.menu-toggle { display: none; flex-direction: column; gap: 4px; padding: 8px; }
.menu-toggle span { width: 22px; height: 2px; background: var(--gray-700); border-radius: 2px; transition: all 0.2s; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 24px;
    font-size: 14px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-primary {
    background: var(--grad-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(79,70,229,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(79,70,229,0.4); }
.btn-outline { background: white; color: var(--indigo); border-color: var(--indigo); }
.btn-outline:hover { background: var(--indigo); color: white; }
.btn-white { background: white; color: var(--indigo); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-2px); }
.btn-white-ghost { background: transparent; color: white; border-color: rgba(255,255,255,0.4); }
.btn-white-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn.full { width: 100%; }

/* Hero */
.hero {
    position: relative;
    padding: 80px 0 120px;
    background: linear-gradient(180deg, #fafaff 0%, #eef2ff 100%);
    overflow: hidden;
}
.hero-wave {
    position: absolute; bottom: 0; left: 0; right: 0; height: 80px;
    background: white;
    clip-path: polygon(0 60%, 100% 0, 100% 100%, 0 100%);
}
.hero-wrap {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--indigo);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.ey-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); animation: blink 2s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.4} }
.hero-title {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--gray-900);
    margin-bottom: 20px;
}
.grad-text {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.8;
    max-width: 540px;
    margin-bottom: 32px;
}
.hero-ctas {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.hero-hotline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: white;
}
.hero-hotline:hover { color: var(--indigo); border-color: var(--indigo); }
.hero-meta {
    display: flex;
    gap: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--gray-200);
}
.hm-item { display: flex; flex-direction: column; }
.hm-item strong {
    font-size: 28px;
    font-weight: 900;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.hm-item span { font-size: 12px; color: var(--gray-500); margin-top: 4px; }

.hero-visual { position: relative; }
.hv-blob {
    position: absolute;
    top: -40px; right: -40px;
    width: 300px; height: 300px;
    background: var(--grad-primary);
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
    z-index: 0;
}
.hv-main {
    position: relative;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    z-index: 1;
}
.hv-main img { width: 100%; }
.hv-badge {
    position: absolute;
    background: white;
    border-radius: var(--radius);
    padding: 12px 16px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2;
    border: 1px solid var(--gray-100);
}
.hv-badge .hvi { font-size: 24px; }
.hv-badge strong { display: block; font-size: 13px; font-weight: 700; color: var(--gray-900); }
.hv-badge small { font-size: 11px; color: var(--gray-500); }
.hv-b1 { top: 24px; left: -30px; }
.hv-b2 { bottom: 24px; right: -20px; }

/* Section Common */
.section { padding: 100px 0; }
.section-alt { background: var(--gray-50); }
.section-head { text-align: center; margin-bottom: 56px; max-width: 640px; margin-left: auto; margin-right: auto; }
.sh-label {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--indigo);
    margin-bottom: 12px;
    text-transform: uppercase;
}
.section-head h2 {
    font-size: 38px;
    font-weight: 900;
    color: var(--gray-900);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}
.section-head p { font-size: 16px; color: var(--gray-500); line-height: 1.7; }

/* Platforms */
.platform-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 28px;
}
.p-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 28px;
    transition: all 0.25s;
}
.p-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--indigo-light);
}
.p-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.p-logo {
    width: 56px; height: 56px;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Inter', sans-serif;
    font-size: 16px; font-weight: 900;
}
.logo-okx { background: var(--gray-900); color: white; }
.logo-binance { background: #f3ba2f; color: #000; }
.logo-bitget { background: #00d4ff; color: #000; }
.logo-bybit { background: #f7a600; color: #000; }
.logo-kraken { background: #5841d8; color: white; }
.p-tag {
    padding: 4px 10px;
    background: var(--indigo-50);
    color: var(--indigo);
    font-size: 11px;
    font-weight: 700;
    border-radius: 50px;
}
.p-card h3 { font-size: 20px; font-weight: 800; color: var(--gray-900); margin-bottom: 10px; }
.p-card > p { font-size: 13px; color: var(--gray-500); line-height: 1.7; margin-bottom: 20px; min-height: 66px; }
.p-devices { display: flex; gap: 8px; margin-bottom: 20px; padding-top: 20px; border-top: 1px solid var(--gray-100); }
.p-devices span {
    width: 36px; height: 36px;
    background: var(--gray-100);
    color: var(--gray-500);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.p-card:hover .p-devices span { background: var(--indigo-50); color: var(--indigo); }
.p-links { display: flex; gap: 8px; }
.p-link-btn {
    flex: 1;
    padding: 10px;
    background: var(--grad-primary);
    color: white;
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
}
.p-link-btn:hover { opacity: 0.9; transform: translateY(-1px); }
.p-link-ghost {
    padding: 10px 16px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
}
.p-link-ghost:hover { background: var(--gray-200); color: var(--indigo); }
.p-card.p-more {
    display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
    background: var(--grad-soft);
    border-style: dashed;
    border-color: var(--indigo-light);
}
.pm-icon {
    width: 64px; height: 64px;
    background: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--indigo);
    margin-bottom: 16px;
}
.p-card.p-more h3 { font-size: 18px; }
.p-footnote {
    display: flex; gap: 12px;
    padding: 16px 20px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-left: 4px solid var(--warning);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: #92400e;
    line-height: 1.7;
}
.p-footnote svg { color: var(--warning); flex-shrink: 0; }

/* Downloads */
.dl-layout { display: grid; grid-template-columns: 240px 1fr; gap: 24px; }
.dl-tabs { display: flex; flex-direction: column; gap: 4px; }
.dl-tab {
    display: flex; align-items: center; gap: 14px;
    padding: 16px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    text-align: left;
    color: var(--gray-600);
    transition: all 0.2s;
}
.dl-tab:hover { border-color: var(--indigo-light); color: var(--indigo); background: var(--indigo-50); }
.dl-tab.active {
    background: var(--grad-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 12px rgba(79,70,229,0.25);
}
.dl-tab svg { flex-shrink: 0; }
.dl-tab strong { display: block; font-size: 14px; font-weight: 700; }
.dl-tab small { font-size: 11px; opacity: 0.7; font-weight: 500; }
.dl-content {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
}
.dl-panel { display: none; padding: 32px; }
.dl-panel.active { display: block; }
.dlp-head { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-100); }
.dlp-head h3 { font-size: 22px; font-weight: 800; color: var(--gray-900); margin-bottom: 8px; }
.dlp-head p { font-size: 14px; color: var(--gray-500); }
.dlp-list { display: flex; flex-direction: column; gap: 0; }
.dlp-row {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--gray-100);
    transition: background 0.15s;
}
.dlp-row:last-child { border-bottom: none; }
.dlp-row:hover { background: var(--gray-50); border-radius: var(--radius-sm); }
.dlp-platform { display: flex; align-items: center; gap: 14px; }
.dlp-logo {
    width: 44px; height: 44px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Inter', sans-serif;
    font-size: 12px; font-weight: 900;
    flex-shrink: 0;
}
.logo-okx-sm { background: var(--gray-900); color: white; }
.logo-binance-sm { background: #f3ba2f; color: #000; }
.logo-bitget-sm { background: #00d4ff; color: #000; }
.logo-bybit-sm { background: #f7a600; color: #000; }
.logo-kraken-sm { background: #5841d8; color: white; }
.dlp-platform h4 { font-size: 14px; font-weight: 700; color: var(--gray-900); margin-bottom: 2px; }
.dlp-platform p { font-size: 12px; color: var(--gray-400); }
.dlp-info { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
    display: inline-block;
    padding: 4px 10px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 11px;
    font-weight: 600;
    border-radius: 50px;
}
.chip-blue { background: var(--indigo-50); color: var(--indigo); }
.chip-green { background: #ecfdf5; color: #059669; }
.chip-dark { background: var(--gray-900); color: white; }
.chip-gray { background: var(--gray-200); color: var(--gray-600); }

.dl-warn {
    margin-top: 20px;
    padding: 14px 18px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 4px solid var(--danger);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: #991b1b;
    display: flex; gap: 10px; align-items: flex-start;
    line-height: 1.6;
}
.dl-warn svg { color: var(--danger); flex-shrink: 0; margin-top: 2px; }

.web-guide { padding: 8px 0; }
.wg-tips { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.wgt-num {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 800;
    color: white;
    background: var(--grad-primary);
    padding: 3px 10px;
    border-radius: 50px;
    margin-bottom: 12px;
}
.wg-tip h4 { font-size: 16px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.wg-tip p { font-size: 13px; color: var(--gray-500); line-height: 1.7; }

.dl-safety {
    margin-top: 28px;
    padding: 24px;
    background: var(--grad-soft);
    border-radius: var(--radius);
    border: 1px solid #e0e7ff;
}
.dls-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; color: var(--indigo); }
.dls-head h4 { font-size: 16px; font-weight: 700; }
.dls-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.dls-list li { font-size: 13px; color: var(--gray-600); }

/* Features */
.feat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}
.feat-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 28px;
    transition: all 0.25s;
}
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--indigo-light); }
.feat-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
}
.fi-blue { background: var(--indigo-50); color: var(--indigo); }
.fi-purple { background: #f5f3ff; color: var(--purple); }
.fi-green { background: #ecfdf5; color: var(--success); }
.fi-orange { background: #fffbeb; color: #d97706; }
.fi-red { background: #fef2f2; color: var(--danger); }
.fi-indigo { background: #eff6ff; color: var(--blue); }
.feat-card h3 { font-size: 18px; font-weight: 800; color: var(--gray-900); margin-bottom: 10px; }
.feat-card p { font-size: 13px; color: var(--gray-500); line-height: 1.7; }
.feat-risk {
    display: flex; gap: 16px;
    padding: 24px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 4px solid var(--danger);
    border-radius: var(--radius);
}
.fr-icon {
    width: 48px; height: 48px;
    background: #fee2e2;
    color: var(--danger);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.feat-risk h4 { font-size: 16px; font-weight: 800; color: #991b1b; margin-bottom: 6px; }
.feat-risk p { font-size: 13px; color: #7f1d1d; line-height: 1.7; }

/* Guide */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}
.step-item {
    background: white;
    border: 1px solid var(--gray-200);
    padding: 28px;
    position: relative;
}
.step-item:nth-child(1) { border-radius: var(--radius) 0 0 var(--radius); }
.step-item:nth-child(7) { border-radius: 0 var(--radius) var(--radius) 0; border-right: 1px solid var(--gray-200); }
.step-line {
    width: 0;
    border-top: 1px dashed var(--gray-200);
    align-self: center;
}
.step-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
.step-num {
    font-family: 'Inter', sans-serif;
    font-size: 32px;
    font-weight: 900;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.step-icon {
    width: 40px; height: 40px;
    background: var(--indigo-50);
    color: var(--indigo);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.step-item h3 { font-size: 17px; font-weight: 800; color: var(--gray-900); margin-bottom: 10px; }
.step-item > p { font-size: 13px; color: var(--gray-500); 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(--gray-500); }

/* Safety */
.safety-grid-wrap {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}
.safety-intro h2 {
    font-size: 36px;
    font-weight: 900;
    color: var(--gray-900);
    line-height: 1.2;
    margin: 12px 0 20px;
    letter-spacing: -0.02em;
}
.safety-intro > p { font-size: 15px; color: var(--gray-500); line-height: 1.8; margin-bottom: 32px; }
.safety-rules { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.sr-item {
    display: flex; gap: 16px;
    padding: 24px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    transition: all 0.2s;
}
.sr-item:hover { border-color: var(--indigo-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.sri-icon { font-size: 28px; flex-shrink: 0; }
.sr-item h4 { font-size: 15px; font-weight: 800; color: var(--gray-900); margin-bottom: 6px; }
.sr-item p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* News - 硬性规范 */
.news { background: var(--gray-50); }
ul.article-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    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: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.25s;
}
ul.article-cards > li.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--indigo-light);
}
.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;
    color: var(--gray-900);
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-card .card-title a:hover { color: var(--indigo); }
.article-card .card-date {
    display: block;
    font-size: 11px;
    color: var(--gray-400);
    margin-bottom: 8px;
    text-transform: uppercase;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.05em;
}
.article-card .card-summary {
    overflow-wrap: anywhere;
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* FAQ */
.faq-list { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.2s;
}
.faq-item.active { border-color: var(--indigo); box-shadow: 0 4px 12px rgba(79,70,229,0.1); }
.fq {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    text-align: left;
}
.fq-q {
    width: 28px; height: 28px;
    background: var(--indigo-50);
    color: var(--indigo);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    flex-shrink: 0;
    font-size: 13px;
}
.faq-item.active .fq-q { background: var(--grad-primary); color: white; }
.fq-text { flex: 1; font-size: 15px; font-weight: 600; color: var(--gray-900); }
.fq-arrow { color: var(--gray-400); flex-shrink: 0; transition: transform 0.2s; }
.faq-item.active .fq-arrow { transform: rotate(180deg); color: var(--indigo); }
.fa { max-height: 0; overflow: hidden; transition: max-height 0.3s; }
.faq-item.active .fa { max-height: 400px; }
.fa p { padding: 0 24px 20px 68px; font-size: 14px; color: var(--gray-500); line-height: 1.8; }

/* About */
.about-wrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.about-text h2 { font-size: 36px; font-weight: 900; color: var(--gray-900); margin: 12px 0 20px; letter-spacing: -0.02em; }
.about-intro { font-size: 15px; color: var(--gray-500); line-height: 1.8; margin-bottom: 32px; }
.about-serv { display: flex; flex-direction: column; gap: 16px; }
.as-row { display: flex; gap: 16px; align-items: flex-start; }
.as-check {
    width: 28px; height: 28px;
    background: var(--grad-primary);
    color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
    font-size: 13px;
    margin-top: 2px;
}
.as-row strong { display: block; font-size: 15px; font-weight: 700; color: var(--gray-900); margin-bottom: 2px; }
.as-row p { font-size: 13px; color: var(--gray-500); }
.about-statement {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    overflow: hidden;
}
.about-statement::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: var(--grad-primary);
}
.about-statement h3 { font-size: 20px; font-weight: 800; color: var(--gray-900); margin-bottom: 16px; }
.about-statement p { font-size: 13px; color: var(--gray-500); line-height: 1.8; margin-bottom: 12px; }
.about-statement p:last-child { margin-bottom: 0; }
.about-statement strong { color: var(--indigo); }

/* Contact */
.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.contact-left {
    padding: 48px;
    background: var(--grad-primary);
    color: white;
}
.contact-left .sh-label { color: rgba(255,255,255,0.8); }
.contact-left h2 { font-size: 32px; font-weight: 900; margin: 12px 0 16px; }
.contact-left > p { font-size: 15px; opacity: 0.9; line-height: 1.8; margin-bottom: 32px; }
.contact-methods { display: flex; flex-direction: column; gap: 20px; }
.cm-item { display: flex; gap: 14px; align-items: flex-start; }
.cm-icon {
    width: 44px; height: 44px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.cm-item small { display: block; font-size: 11px; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
.cm-val { font-size: 20px; font-weight: 900; color: white; }
.cm-item span:not(.cm-icon):not(small) { font-size: 14px; line-height: 1.6; }
.contact-form-wrap { padding: 48px; }
.contact-form h3 { font-size: 22px; font-weight: 800; color: var(--gray-900); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-size: 12px; font-weight: 700;
    color: var(--gray-500); margin-bottom: 8px;
    text-transform: uppercase; letter-spacing: 0.05em;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px;
    background: var(--gray-50); border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    color: var(--gray-800); font-size: 14px;
    transition: border-color 0.2s, background 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--indigo); background: white;
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { margin-top: 12px; font-size: 12px; color: var(--gray-400); text-align: center; line-height: 1.6; }

/* Footer */
.site-footer { background: var(--gray-900); color: var(--gray-400); padding: 0; }
.footer-cta {
    padding: 48px;
    background: linear-gradient(135deg, #312e81 0%, #4c1d95 100%);
    display: flex; justify-content: space-between; align-items: center; gap: 32px;
    flex-wrap: wrap;
}
.footer-cta h3 { font-size: 24px; font-weight: 900; color: white; margin-bottom: 6px; }
.footer-cta p { font-size: 14px; color: rgba(255,255,255,0.7); }
.fcta-btns { display: flex; gap: 12px; flex-shrink: 0; }
.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding: 56px 0 40px;
}
.f-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.f-mark {
    width: 36px; height: 36px;
    background: var(--grad-primary);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
}
.f-brand span { font-size: 20px; font-weight: 900; color: white; }
.f-desc { font-size: 13px; line-height: 1.8; margin-bottom: 20px; color: var(--gray-400); }
.f-phone {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--indigo-light);
    font-size: 18px;
    font-weight: 800;
}
.f-phone:hover { color: white; }
.footer-col h5 { font-size: 13px; font-weight: 800; color: white; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13px; color: var(--gray-400); }
.footer-col a:hover { color: white; }
.group-links { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.group-links a { color: var(--gray-400); }
.group-links a:hover { color: white; }
.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex; justify-content: space-between; align-items: flex-start; gap: 24px;
    flex-wrap: wrap;
}
.fb-text p { font-size: 12px; line-height: 1.8; color: var(--gray-500); }
.disclaimer { margin-top: 6px; font-size: 11px; color: var(--gray-600); }
.fb-links { display: flex; gap: 16px; }
.fb-links a { font-size: 12px; color: var(--gray-500); }
.fb-links a:hover { color: var(--indigo-light); }

/* Article Detail */
.article-page { padding: 40px 0 80px; background: var(--gray-50); }
.article-breadcrumb { margin-bottom: 24px; font-size: 13px; color: var(--gray-400); }
.article-breadcrumb a { color: var(--gray-500); }
.article-breadcrumb a:hover { color: var(--indigo); }
.article-container { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.article-main {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 40px;
}
.am-cat {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.1em;
    background: var(--grad-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    margin-bottom: 20px;
}
.am-title { font-size: 28px; font-weight: 900; color: var(--gray-900); line-height: 1.3; margin-bottom: 16px; letter-spacing: -0.01em; }
.am-meta { display: flex; gap: 16px; font-size: 13px; color: var(--gray-400); margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-100); }
.am-cover { margin-bottom: 28px; border-radius: var(--radius); overflow: hidden; }
.am-cover img { width: 100%; }
.am-summary {
    padding: 20px 24px;
    background: var(--grad-soft);
    border-left: 4px solid var(--indigo);
    border-radius: var(--radius-sm);
    margin-bottom: 28px;
}
.ams-tag {
    display: inline-block;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.1em;
    background: var(--indigo);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 10px;
    text-transform: uppercase;
}
.am-summary p { font-size: 15px; color: var(--gray-700); line-height: 1.8; }
.am-content { font-size: 15px; line-height: 1.9; color: var(--gray-700); }
.am-content h2, .am-content h3, .am-content h4 { margin-top: 32px; margin-bottom: 14px; font-weight: 800; color: var(--gray-900); }
.am-content h2 { font-size: 24px; }
.am-content h3 { font-size: 20px; }
.am-content h4 { font-size: 17px; }
.am-content p { margin-bottom: 18px; }
.am-content ul, .am-content ol { margin-bottom: 18px; padding-left: 24px; }
.am-content li { margin-bottom: 6px; }
.am-content img { max-width: 100%; border-radius: var(--radius); margin: 20px 0; }
.am-content blockquote {
    padding: 16px 20px;
    background: var(--gray-50);
    border-left: 4px solid var(--indigo);
    margin: 20px 0;
    font-size: 14px;
    color: var(--gray-600);
    border-radius: var(--radius-sm);
}
.am-risk {
    display: flex; gap: 16px;
    margin-top: 32px;
    padding: 20px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 4px solid var(--danger);
    border-radius: var(--radius-sm);
}
.amr-icon { font-size: 24px; flex-shrink: 0; }
.am-risk strong { display: block; font-size: 14px; font-weight: 800; color: #991b1b; margin-bottom: 4px; }
.am-risk p { font-size: 13px; color: #7f1d1d; line-height: 1.7; margin: 0; }

.article-aside { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 16px; }
.aa-card { background: white; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 24px; }
.aa-card h5 { font-size: 13px; font-weight: 800; color: var(--gray-900); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--gray-100); }
.aa-links { display: flex; flex-direction: column; gap: 4px; }
.aa-links a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; font-size: 13px; color: var(--gray-600); border-radius: var(--radius-sm); }
.aa-links a:hover { background: var(--indigo-50); color: var(--indigo); }
.aa-cta { background: var(--grad-primary); color: white; border: none; text-align: center; }
.aa-cta h5 { color: white; border-bottom-color: rgba(255,255,255,0.2); }
.aac-icon {
    width: 48px; height: 48px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 12px;
}
.aa-cta p { font-size: 13px; line-height: 1.6; margin-bottom: 16px; }
.aa-cta .btn-primary { background: white; color: var(--indigo); box-shadow: none; }
.aa-cta .btn-primary:hover { background: var(--gray-100); }
.aa-safety ul { display: flex; flex-direction: column; gap: 8px; }
.aa-safety li { font-size: 13px; color: var(--gray-600); padding-left: 0; }

.article-cta-bar {
    margin-top: 32px;
    padding: 32px 40px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.article-cta-bar h3 { font-size: 20px; font-weight: 800; color: var(--gray-900); margin-bottom: 4px; }
.article-cta-bar p { font-size: 14px; color: var(--gray-500); }
.acb-btns { display: flex; gap: 12px; flex-shrink: 0; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid, .safety-grid-wrap, .about-wrap, .contact-card { grid-template-columns: 1fr; }
    .hero-visual { max-width: 500px; margin: 0 auto; }
    .platform-cards, .feat-grid, .safety-rules, .wg-tips, .dls-list { grid-template-columns: repeat(2, 1fr); }
    .dl-layout { grid-template-columns: 1fr; }
    .dl-tabs { flex-direction: row; overflow-x: auto; }
    .dl-tab { min-width: 180px; }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .step-line { display: none; }
    .step-item:nth-child(1) { border-radius: var(--radius) var(--radius) 0 0; }
    .step-item:nth-child(2) { border-radius: 0; }
    .step-item:nth-child(3) { border-radius: 0; }
    .step-item:nth-child(7) { border-radius: 0 0 var(--radius) var(--radius); }
    .footer-main { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .article-container { grid-template-columns: 1fr; }
    .article-aside { position: static; }
}
@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 123px; left: 0; right: 0;
        background: white;
        padding: 20px;
        border-bottom: 3px solid var(--indigo);
        box-shadow: var(--shadow-lg);
        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(--gray-100); }
    .nav-phone .np-num { display: none; }
    .menu-toggle { display: flex; }
    .hero { padding: 40px 0 80px; }
    .hero-title { font-size: 34px; }
    .hero-meta { gap: 20px; flex-wrap: wrap; }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn, .hero-hotline { width: 100%; }
    .top-announce { font-size: 11px; }
    .ann-tel { margin-left: 0; }
    .section { padding: 60px 0; }
    .section-head h2 { font-size: 28px; }
    .platform-cards, .feat-grid, .safety-rules, .wg-tips, .dls-list { grid-template-columns: 1fr; }
    .dlp-row { grid-template-columns: 1fr; gap: 12px; }
    .dlp-info { justify-content: flex-start; }
    .steps { grid-template-columns: 1fr; }
    .step-item { border-radius: 0 !important; border-right: 1px solid var(--gray-200) !important; }
    .step-item:first-child { border-radius: var(--radius) var(--radius) 0 0 !important; }
    .step-item:last-child { border-radius: 0 0 var(--radius) var(--radius) !important; }
    .form-row { grid-template-columns: 1fr; }
    .contact-left, .contact-form-wrap { padding: 28px; }
    .footer-cta { padding: 28px; flex-direction: column; text-align: center; }
    .fcta-btns { flex-direction: column; width: 100%; }
    .footer-main { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .article-main { padding: 24px; }
    .am-title { font-size: 22px; }
    .article-cta-bar { flex-direction: column; text-align: center; padding: 24px; }
    .acb-btns { flex-direction: column; width: 100%; }
    .hv-b1 { left: 0; }
    .hv-b2 { right: 0; }
    .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; }
}