* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #0b0e17;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 150, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(100, 0, 255, 0.05) 0%, transparent 50%),
        linear-gradient(135deg, #0b0e17 0%, #141b2b 100%);
    min-height: 100vh;
    color: #d0d9f0;
    -webkit-font-smoothing: antialiased;
    padding: 48px 24px;
    font-size: 18px;
    position: relative;
}
/* 科技感网格背景 */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(rgba(0, 150, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 150, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}
.container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 32px; position: relative; z-index: 1; }

/* 标题 */
.header { text-align: center; display: flex; flex-direction: column; gap: 16px; }
.header h1 { 
    font-size: 5rem; 
    font-weight: 900; 
    background: linear-gradient(135deg, #38bdf8, #818cf8, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    text-shadow: 0 0 40px rgba(56, 189, 248, 0.2);
    line-height: 1.1;
}
.header .subtitle { 
    font-size: 2.4rem; 
    color: #94a3b8; 
    font-weight: 700; 
    letter-spacing: 0.12em;
    text-shadow: 0 0 20px rgba(56, 189, 248, 0.1);
}
.badge { 
    display: inline-flex; 
    align-items: center; 
    gap: 10px; 
    padding: 12px 28px; 
    border-radius: 9999px; 
    background: rgba(56, 189, 248, 0.10); 
    color: #7dd3fc; 
    font-size: 1.2rem; 
    font-weight: 600; 
    border: 1px solid rgba(56, 189, 248, 0.25); 
    margin: 0 auto; 
    backdrop-filter: blur(4px);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.05);
}
.badge-dot { width: 10px; height: 10px; border-radius: 50%; background: #38bdf8; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.8); } }

/* 面板 - 玻璃科技感 */
.panel { 
    background: rgba(20, 30, 50, 0.65); 
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(56, 189, 248, 0.15); 
    border-radius: 24px; 
    padding: 40px; 
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(56, 189, 248, 0.1);
    transition: border-color 0.3s;
}
.panel:hover {
    border-color: rgba(56, 189, 248, 0.3);
}
.panel h3 { font-size: 1.6rem; font-weight: 800; color: #e2e8f0; margin-bottom: 16px; letter-spacing: 0.02em; }

/* 信息网格 */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 32px; }
@media (max-width: 768px) { .info-grid { grid-template-columns: 1fr; } .header h1 { font-size: 3.2rem; } body { font-size: 16px; padding: 24px 16px; } .panel { padding: 24px; } }
.info-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.info-list li { display: flex; align-items: center; gap: 10px; color: #94a3b8; font-size: 1.15rem; }
.icon-green { width: 22px; height: 22px; color: #38bdf8; flex-shrink: 0; }
.info-box { background: rgba(15, 23, 42, 0.5); border-radius: 16px; padding: 24px; border: 1px solid rgba(56, 189, 248, 0.1); }
.info-box p { color: #cbd5e1; font-size: 1.15rem; line-height: 1.7; }
.highlight { color: #7dd3fc; font-weight: 800; }

/* 复制按钮 */
.copy-wrap { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.copy-btn { 
    display: inline-flex; 
    align-items: center; 
    gap: 10px; 
    padding: 16px 32px; 
    border-radius: 14px; 
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #fff; 
    font-weight: 800; 
    font-size: 1.15rem; 
    border: none; 
    cursor: pointer; 
    transition: all 0.3s ease; 
    box-shadow: 0 4px 24px rgba(37, 99, 235, 0.3);
    border: 1px solid rgba(255,255,255,0.1);
}
.copy-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(37, 99, 235, 0.5); }
.copy-btn.copied { background: linear-gradient(135deg, #16a34a, #15803d); box-shadow: 0 4px 24px rgba(22, 163, 74, 0.4); }
.copy-hint { color: #64748b; font-size: 1.05rem; }
.copy-icon { width: 24px; height: 24px; }

/* 下载按钮 */
.download-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.download-btn { 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    justify-content: center; 
    padding: 20px 10px; 
    border-radius: 16px; 
    background: linear-gradient(145deg, #1e2a4a, #141b30);
    color: #e2e8f0; 
    font-weight: 800; 
    text-decoration: none; 
    transition: all 0.3s ease; 
    border: 1px solid rgba(56, 189, 248, 0.15);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.download-btn:hover { 
    transform: translateY(-4px); 
    border-color: #38bdf8; 
    box-shadow: 0 8px 32px rgba(56, 189, 248, 0.15);
    background: linear-gradient(145deg, #1f2d52, #161f38);
}
.part-badge { padding: 4px 12px; border-radius: 9999px; background: rgba(56, 189, 248, 0.1); border: 1px solid rgba(56, 189, 248, 0.2); font-size: 0.85rem; margin-bottom: 6px; color: #7dd3fc; }
.dl-icon { width: 28px; height: 28px; margin-bottom: 4px; }
.dl-text { font-size: 1rem; }

/* 分区标题 */
.section-title { font-size: 1.5rem; font-weight: 800; color: #e2e8f0; margin: 24px 0 16px 0; display: flex; align-items: center; gap: 12px; }
.section-title .sec-badge { background: rgba(56, 189, 248, 0.15); padding: 4px 16px; border-radius: 40px; font-size: 1rem; color: #7dd3fc; border: 1px solid rgba(56, 189, 248, 0.2); }

/* 引擎说明 */
.tc-header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.tc-icon-wrap { background: rgba(56, 189, 248, 0.08); padding: 10px; border-radius: 12px; border: 1px solid rgba(56, 189, 248, 0.15); }
.tc-icon { width: 28px; height: 28px; color: #38bdf8; }
.tc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 768px) { .tc-grid { grid-template-columns: 1fr; } }
.tc-step { background: rgba(15, 23, 42, 0.5); border: 1px solid rgba(56, 189, 248, 0.1); border-radius: 16px; padding: 24px; }
.step-header { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.step-num { width: 28px; height: 28px; border-radius: 50%; background: #2563eb; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 800; flex-shrink: 0; box-shadow: 0 0 20px rgba(37, 99, 235, 0.3); }
.step-title { color: #7dd3fc; font-weight: 800; font-size: 1.2rem; }
.step-text { color: #94a3b8; font-size: 1.05rem; line-height: 1.7; }
.path-highlight { background: rgba(234, 179, 8, 0.12); border: 1px solid rgba(234, 179, 8, 0.2); color: #fbbf24; padding: 3px 8px; border-radius: 6px; font-family: monospace; font-size: 0.95rem; }
.path-box { background: rgba(234, 179, 8, 0.08); border: 1px solid rgba(234, 179, 8, 0.15); color: #fbbf24; padding: 12px; border-radius: 10px; font-family: monospace; font-size: 1rem; margin-top: 10px; }
.tag { display: inline-block; padding: 6px 14px; border-radius: 6px; background: rgba(56, 189, 248, 0.08); color: #7dd3fc; font-size: 0.95rem; font-weight: 600; border: 1px solid rgba(56, 189, 248, 0.15); margin-top: 10px; }

/* 警告 */
.warning-header { display: flex; align-items: center; gap: 10px; color: #facc15; font-size: 1.6rem; font-weight: 800; margin-bottom: 20px; }
.warning-icon { width: 24px; height: 24px; color: #facc15; flex-shrink: 0; }
.warning-box { background: rgba(220, 38, 38, 0.08); border: 1px solid rgba(220, 38, 38, 0.2); border-radius: 16px; padding: 20px; margin-bottom: 20px; }
.warning-box .warn-title { color: #fca5a5; font-weight: 700; font-size: 1.15rem; margin-bottom: 6px; }
.warning-box .warn-text { color: #94a3b8; font-size: 1.05rem; line-height: 1.5; }
.path-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 640px) { .path-grid { grid-template-columns: 1fr; } }
.path-card { background: rgba(15, 23, 42, 0.4); border-radius: 12px; padding: 20px; border: 1px solid rgba(56, 189, 248, 0.08); }
.path-card .path-label { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.path-card ul { list-style: none; font-family: monospace; font-size: 1rem; color: #94a3b8; display: flex; flex-direction: column; gap: 6px; }
.ok { color: #4ade80; }
.err { color: #f87171; }
.tip-box { background: rgba(15, 23, 42, 0.4); border-radius: 16px; padding: 20px; border: 1px solid rgba(56, 189, 248, 0.08); }
.tip-box p { color: #cbd5e1; font-size: 1.15rem; line-height: 1.7; }

/* 底部 */
.footer { text-align: center; color: #64748b; font-size: 1.1rem; display: flex; flex-direction: column; gap: 6px; }
.footer .dim { font-size: 0.95rem; opacity: 0.6; }
.client-tag { display: inline-flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 4px; }
.client-tag span { background: rgba(30, 41, 59, 0.6); border: 1px solid rgba(56, 189, 248, 0.1); padding: 4px 14px; border-radius: 30px; font-size: 0.9rem; color: #94a3b8; font-weight: 600; }

/* 分卷警告 */
.vol-warning {
    background: rgba(239, 68, 68, 0.08);
    border-left: 6px solid #ef4444;
    padding: 14px 20px;
    border-radius: 10px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: #fca5a5;
}
.vol-warning-icon { font-size: 1.6rem; }
.vol-warning-text { font-size: 1.1rem; }

/* 作者提示 */
.author-note {
    background: rgba(234, 179, 8, 0.06);
    border: 2px dashed rgba(234, 179, 8, 0.2);
    border-radius: 14px;
    padding: 18px 24px;
    margin-bottom: 24px;
    color: #fde047;
    font-size: 1.15rem;
    line-height: 1.7;
    text-align: center;
}
.author-note p { margin: 0; }

/* 模态框通用 */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}
.modal-card {
    background: #141b2b;
    border: 1px solid rgba(56, 189, 248, 0.15);
    border-radius: 28px;
    padding: 40px 36px;
    max-width: 560px;
    width: 100%;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8), inset 0 1px 0 rgba(56, 189, 248, 0.1);
}
.modal-title {
    font-size: 2rem;
    font-weight: 800;
    color: #facc15;
    margin-bottom: 16px;
    text-align: center;
}
.modal-body {
    color: #cbd5e1;
    font-size: 1.1rem;
    line-height: 1.8;
}
.modal-body p { margin-bottom: 10px; }
.modal-btn {
    display: block;
    width: 100%;
    padding: 16px;
    margin-top: 24px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border: none;
    border-radius: 14px;
    color: #fff;
    font-weight: 800;
    font-size: 1.2rem;
    cursor: pointer;
    transition: 0.3s;
    border: 1px solid rgba(255,255,255,0.05);
}
.modal-btn:hover { transform: scale(1.02); box-shadow: 0 0 30px rgba(37, 99, 235, 0.3); }

/* 下载确认按钮 */
.btn-cancel, .btn-download-confirm {
    padding: 12px 28px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: 0.25s;
}
.btn-cancel {
    background: #2d3748;
    color: #e2e8f0;
    border: 1px solid rgba(255,255,255,0.05);
}
.btn-cancel:hover { background: #4a5568; }
.btn-download-confirm {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #fff;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
    border: 1px solid rgba(255,255,255,0.05);
}
.btn-download-confirm:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4); }

/* 内嵌免责声明 - 亮红色 */
.panel.disclaimer-inpage {
    background: #dc2626;
    border-color: #b91c1c;
    box-shadow: 0 8px 30px rgba(220, 38, 38, 0.3);
}
.panel.disclaimer-inpage .modal-body { color: #ffffff; }
.panel.disclaimer-inpage .warning-header { color: #ffffff; }
.panel.disclaimer-inpage .warning-icon { color: #ffffff; }
.panel.disclaimer-inpage a { color: #facc15; text-decoration: underline; }
.panel.disclaimer-inpage a:hover { color: #fde047; }

/* Titancore 推广 - 蓝色 */
.panel.tc-promo {
    background: linear-gradient(145deg, #0f2440, #0a1a30);
    border: 1px solid rgba(56, 189, 248, 0.25);
    box-shadow: 0 8px 32px rgba(56, 189, 248, 0.08);
    text-align: center;
}
.tc-promo-header { margin-bottom: 28px; }
.tc-promo-title { font-size: 2.2rem; font-weight: 900; color: #7dd3fc; letter-spacing: 0.02em; margin-bottom: 8px; text-shadow: 0 0 30px rgba(56, 189, 248, 0.1); }
.tc-promo-sub { font-size: 1.2rem; color: #94a3b8; font-weight: 500; letter-spacing: 0.04em; }
.tc-promo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 28px; }
@media (max-width: 640px) { .tc-promo-grid { grid-template-columns: 1fr; gap: 12px; } }
.tc-promo-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(56, 189, 248, 0.1);
    border-radius: 16px;
    padding: 20px 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: 0.3s;
}
.tc-promo-item:hover { background: rgba(56, 189, 248, 0.06); transform: translateY(-2px); border-color: #2563eb; }
.tc-promo-icon { font-size: 2rem; line-height: 1; }
.tc-promo-label { font-size: 1.2rem; font-weight: 700; color: #e2e8f0; }
.tc-promo-btn-wrap { margin-top: 8px; }
.tc-promo-btn {
    display: inline-block;
    padding: 16px 52px;
    border-radius: 50px;
    background: #2563eb;
    color: #fff;
    font-weight: 800;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(255,255,255,0.05);
}
.tc-promo-btn:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 32px rgba(37, 99, 235, 0.4); background: #3b82f6; }

/* ===== 欢迎模态框特殊样式 ===== */
.welcome-modal .modal-card {
    max-width: 620px;
    background: linear-gradient(145deg, #0f1a2e, #0a1220);
    border: 1px solid rgba(56, 189, 248, 0.2);
    text-align: center;
    padding: 48px 40px;
}
.welcome-icon {
    font-size: 4rem;
    margin-bottom: 12px;
    display: block;
    filter: drop-shadow(0 0 30px rgba(56, 189, 248, 0.3));
}
.welcome-title {
    font-size: 2.4rem;
    font-weight: 900;
    color: #e2e8f0;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.welcome-sub {
    font-size: 1.2rem;
    color: #94a3b8;
    line-height: 1.8;
    margin-bottom: 28px;
}
.welcome-sub a {
    color: #60a5fa;
    text-decoration: underline;
    font-weight: 700;
}
.welcome-btn {
    display: inline-block;
    padding: 16px 48px;
    border-radius: 50px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #fff;
    font-weight: 800;
    font-size: 1.3rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 24px rgba(37, 99, 235, 0.3);
    border: 1px solid rgba(255,255,255,0.05);
}
.welcome-btn:hover { transform: scale(1.04); box-shadow: 0 8px 40px rgba(37, 99, 235, 0.5); }