/* download.css - Styles specific to download.php */

/* ===== Download page CSS variables ===== */
:root{
    --bg-white:#ffffff;--bg-light:#fafbfc;--bg-section:#f8f9fc;--bg-alt:#f1f3f8;
    --accent-start:#4f46e5;--accent-end:#7c3aed;--accent-cyan:#06b6d4;--accent-green:#10b981;
    --text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;
    --card-shadow:0 4px 24px rgba(0,0,0,0.06);--card-shadow-hover:0 12px 40px rgba(0,0,0,0.1);
    --border-color:#e2e8f0;--border-light:#eef2f7;
    --radius-sm:8px;--radius-md:16px;--radius-lg:20px;--radius-xl:24px;
}
*{margin:0;padding:0;box-sizing:border-box;font-family:"Inter","SF Pro Display","Microsoft YaHei",sans-serif;}
body{background:var(--bg-white);min-height:100vh;color:var(--text-primary);line-height:1.6;overflow-x:hidden;}
html,body{overflow-x:hidden;}
img,video,iframe{max-width:100%;height:auto;}
a,button,.faq-item-header{min-height:44px;}

/* ========== Hero区域 ========== */
.hero-section{position:relative;padding:40px 20px 30px;text-align:center;overflow:hidden;background:linear-gradient(180deg,#ffffff 0%,#f8f9fc 100%);}
.hero-orb1{position:absolute;top:-120px;left:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(79,70,229,0.08) 0%,transparent 70%);border-radius:50%;animation:heroFloat1 14s ease-in-out infinite;}
.hero-orb2{position:absolute;bottom:-150px;right:-80px;width:450px;height:450px;background:radial-gradient(circle,rgba(124,58,237,0.07) 0%,transparent 70%);border-radius:50%;animation:heroFloat2 12s ease-in-out infinite;}
.hero-orb3{position:absolute;top:50%;left:60%;width:300px;height:300px;background:radial-gradient(circle,rgba(6,182,212,0.06) 0%,transparent 70%);border-radius:50%;animation:heroFloat1 10s ease-in-out infinite reverse;}
@keyframes heroFloat1{0%,100%{transform:translate(0,0);}50%{transform:translate(40px,30px);}}
@keyframes heroFloat2{0%,100%{transform:translate(0,0);}50%{transform:translate(-30px,-20px);}}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:#fff;padding:6px 16px;border-radius:50px;font-size:13px;font-weight:600;margin-bottom:14px;border:1px solid var(--border-color);color:var(--accent-start);position:relative;z-index:1;box-shadow:0 2px 12px rgba(79,70,229,0.08);}
.hero-title{font-size:32px;font-weight:800;margin-bottom:10px;position:relative;z-index:1;color:var(--text-primary);letter-spacing:-1px;line-height:1.2;}
.hero-title .gradient-text{background:linear-gradient(135deg,var(--accent-start),var(--accent-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-subtitle{font-size:16px;color:var(--text-secondary);max-width:560px;margin:0 auto 16px;line-height:1.6;position:relative;z-index:1;}
.hero-subtitle strong{color:var(--accent-start);font-weight:700;}
.hero-tags{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;position:relative;z-index:1;}
.hero-tag{background:#fff;padding:6px 14px;border-radius:50px;font-size:12px;font-weight:500;border:1px solid var(--border-color);color:var(--text-secondary);transition:all 0.3s;box-shadow:0 2px 8px rgba(0,0,0,0.03);}
.hero-tag:hover{border-color:rgba(79,70,229,0.3);box-shadow:0 4px 16px rgba(79,70,229,0.1);color:var(--accent-start);}

/* ========== 主内容区域 ========== */
.main-container{max-width:1440px;margin:0 auto;padding:40px 24px 60px;}
.main-layout{display:flex;flex-direction:row;align-items:flex-start;gap:36px;}
.layout-left{flex:0 0 44%;min-width:0;}
.layout-right{flex:1;min-width:0;position:sticky;top:24px;margin-top:38px;}

/* ========== 显示器轮播 ========== */
.monitor-frame{max-width:100%;margin:0 auto;}
.monitor-screen{background:#f1f3f8;border-radius:16px 16px 4px 4px;padding:16px 16px 22px;box-shadow:0 8px 40px rgba(0,0,0,0.08);position:relative;border:1px solid #e2e8f0;}
.monitor-screen::before{content:'';position:absolute;top:9px;left:50%;transform:translateX(-50%);width:8px;height:8px;border-radius:50%;background:#cbd5e1;}
.monitor-screen::after{content:'Lighthouse';position:absolute;bottom:7px;left:50%;transform:translateX(-50%);font-size:9px;color:#94a3b8;letter-spacing:2px;font-weight:600;}
.monitor-stand{width:70px;height:28px;background:linear-gradient(180deg,#e2e8f0 0%,#cbd5e1 100%);margin:0 auto;clip-path:polygon(15% 0%,85% 0%,100% 100%,0% 100%);}
.monitor-base{width:160px;height:8px;background:linear-gradient(180deg,#cbd5e1 0%,#e2e8f0 100%);margin:0 auto;border-radius:0 0 6px 6px;}
.carousel{position:relative;width:100%;border-radius:8px;overflow:hidden;}
.carousel-track{display:flex;transition:transform 0.6s cubic-bezier(0.4,0,0.2,1);}
.carousel-slide{min-width:100%;position:relative;}
.carousel-slide img{width:100%;height:100%;display:block;aspect-ratio:16/9;object-fit:fill;cursor:pointer;}
.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.9);backdrop-filter:blur(4px);border:1px solid var(--border-color);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-primary);transition:all 0.3s;z-index:10;box-shadow:0 2px 8px rgba(0,0,0,0.08);}
.carousel-btn:hover{background:#fff;box-shadow:0 4px 16px rgba(0,0,0,0.12);transform:translateY(-50%) scale(1.05);}
.carousel-btn-prev{left:12px;}
.carousel-btn-next{right:12px;}
.carousel-dots{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:none;gap:8px;z-index:10;}
.carousel-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,0.6);border:none;cursor:pointer;transition:all 0.3s;padding:0;box-shadow:0 1px 4px rgba(0,0,0,0.1);}
.carousel-dot.active{background:var(--accent-start);width:24px;border-radius:4px;box-shadow:0 2px 8px rgba(79,70,229,0.4);}

/* ========== 下载卡片 ========== */
.layout-right-title{font-size:18px;font-weight:700;margin-top:0;margin-bottom:14px;text-align:center;color:var(--text-primary);}
.download-versions{display:flex;flex-direction:row;gap:16px;align-items:stretch;}
.version-card{flex:1;padding:24px 22px;border-radius:var(--radius-md);text-align:center;position:relative;transition:all 0.3s;background:#fff;border:1px solid var(--border-color);box-shadow:var(--card-shadow);display:flex;flex-direction:column;}
.version-card:hover{transform:translateY(-3px);box-shadow:var(--card-shadow-hover);}
.version-card-primary{border:1px solid var(--border-color);border-top:3px solid var(--accent-start);border-radius:var(--radius-md);overflow:visible;}
.version-card-green{border:1px solid var(--border-color);border-top:3px solid var(--accent-green);border-radius:var(--radius-md);}
.version-card-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--accent-start),var(--accent-end));color:white;padding:4px 14px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:0.5px;box-shadow:0 4px 12px rgba(79,70,229,0.3);}
.version-card-badge.badge-green{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-green));box-shadow:0 4px 12px rgba(16,185,129,0.3);}
.version-card-icon{font-size:24px;margin-bottom:4px;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:var(--bg-section);margin:0 auto 10px;}
.version-card-title{font-size:15px;font-weight:700;color:var(--accent-start);margin-bottom:6px;}
.version-card-desc{font-size:12px;color:var(--text-secondary);line-height:1.6;margin-bottom:10px;}
.version-card-size{font-size:11px;color:var(--accent-end);font-weight:600;background:rgba(124,58,237,0.06);padding:3px 12px;border-radius:20px;display:inline-block;margin-bottom:10px;border:1px solid rgba(124,58,237,0.12);}
.download-btn{display:inline-block;background:linear-gradient(135deg,var(--accent-start),var(--accent-end));color:white;padding:10px 24px;border-radius:10px;text-decoration:none;font-size:14px;font-weight:600;cursor:pointer;transition:all 0.3s;border:none;position:relative;overflow:hidden;box-shadow:0 4px 16px rgba(79,70,229,0.25);}
.download-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(79,70,229,0.35);}
.download-btn::after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);transition:left 0.6s;}
.download-btn:hover::after{left:100%;}
.download-btn-primary{width:100%;}
.download-btn-green{width:100%;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-green))!important;box-shadow:0 4px 16px rgba(16,185,129,0.25)!important;}
.download-btn-green:hover{box-shadow:0 8px 28px rgba(16,185,129,0.35)!important;}
.version-card-btns{display:flex;gap:10px;margin-top:auto;align-items:center;}
.version-card-btns .download-btn{flex:1;width:auto;padding:10px 16px;font-size:13px;display:flex;align-items:center;justify-content:center;}
.version-card-hint{font-size:11px;color:var(--text-muted);margin:0 0 12px;line-height:1.5;}
.version-info{margin-top:16px;font-size:13px;color:var(--text-muted);font-weight:500;text-align:center;}
.download-versions-extra{display:flex;flex-direction:row;gap:16px;margin-top:16px;}
.version-card-orange{border:1px solid var(--border-color);border-top:3px solid #f59e0b;border-radius:var(--radius-md);}
.version-card-cyan{border:1px solid var(--border-color);border-top:3px solid #06b6d4;border-radius:var(--radius-md);}
.download-btn-orange{width:100%;background:linear-gradient(135deg,#f59e0b,#d97706)!important;box-shadow:0 4px 16px rgba(245,158,11,0.25)!important;}
.download-btn-orange:hover{box-shadow:0 8px 28px rgba(245,158,11,0.35)!important;}
.download-btn-cyan{width:100%;background:linear-gradient(135deg,#06b6d4,#0891b2)!important;box-shadow:0 4px 16px rgba(6,182,212,0.25)!important;}
.download-btn-cyan:hover{box-shadow:0 8px 28px rgba(6,182,212,0.35)!important;}
.version-card-badge.badge-orange{background:linear-gradient(135deg,#f59e0b,#d97706);box-shadow:0 4px 12px rgba(245,158,11,0.3);}
.version-card-badge.badge-cyan{background:linear-gradient(135deg,#06b6d4,#0891b2);box-shadow:0 4px 12px rgba(6,182,212,0.3);}
.version-card-purple{border:1px solid var(--border-color);border-top:3px solid #f43f5e;border-radius:var(--radius-md);}
.download-btn-purple{width:100%;background:linear-gradient(135deg,#f43f5e,#e11d48)!important;box-shadow:0 4px 16px rgba(244,63,94,0.3)!important;animation:btn-pulse-glow 2.5s ease-in-out infinite;}
.download-btn-purple:hover{box-shadow:0 8px 28px rgba(244,63,94,0.45)!important;animation:none;}
.version-card-badge.badge-purple{background:linear-gradient(135deg,#f43f5e,#e11d48);box-shadow:0 4px 12px rgba(244,63,94,0.4);animation:pulse-glow 2s ease-in-out infinite;}
@keyframes pulse-glow{0%,100%{box-shadow:0 4px 12px rgba(244,63,94,0.4);transform:translateX(-50%) scale(1);}50%{box-shadow:0 4px 20px rgba(244,63,94,0.7),0 0 30px rgba(244,63,94,0.3);transform:translateX(-50%) scale(1.05);}}
@keyframes btn-pulse-glow{0%,100%{box-shadow:0 4px 16px rgba(244,63,94,0.3);}50%{box-shadow:0 4px 24px rgba(244,63,94,0.5),0 0 40px rgba(244,63,94,0.2);}}

/* ========== 全宽推荐卡片（环境助手） ========== */
.featured-download-card{background:linear-gradient(135deg,#fff5f5 0%,#fef2f2 50%,#fff1f2 100%);border:1.5px solid rgba(244,63,94,0.2);border-radius:var(--radius-lg);padding:24px 28px;margin-bottom:20px;position:relative;overflow:hidden;box-shadow:0 4px 24px rgba(244,63,94,0.08),0 0 0 1px rgba(244,63,94,0.05);transition:all 0.3s;text-align:center;}
.featured-download-card:hover{box-shadow:0 8px 36px rgba(244,63,94,0.15),0 0 0 1px rgba(244,63,94,0.1);transform:translateY(-2px);}
.featured-download-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#f43f5e,#e11d48,#f43f5e);}
.featured-card-badge{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(135deg,#f43f5e,#e11d48);color:#fff;padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:0.5px;box-shadow:0 3px 12px rgba(244,63,94,0.35);margin-bottom:10px;animation:pulse-glow-badge 2.5s ease-in-out infinite;}
@keyframes pulse-glow-badge{0%,100%{box-shadow:0 3px 12px rgba(244,63,94,0.35);}50%{box-shadow:0 3px 20px rgba(244,63,94,0.6),0 0 24px rgba(244,63,94,0.2);}}
.featured-card-title{font-size:18px;font-weight:800;color:#e11d48;margin-bottom:6px;display:flex;align-items:center;justify-content:center;gap:8px;}
.featured-card-title .icon-wrap{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:rgba(244,63,94,0.1);font-size:18px;}
.featured-card-desc{font-size:13px;color:#64748b;line-height:1.6;margin-bottom:14px;}
.featured-card-desc strong{color:#e11d48;font-weight:600;}
.featured-card-btn-wrap{margin-bottom:12px;}
.featured-card-btn-wrap .download-btn-purple{padding:14px 40px;font-size:17px;border-radius:12px;letter-spacing:1px;}
.featured-card-size{font-size:11px;color:#e11d48;font-weight:600;background:rgba(244,63,94,0.08);padding:3px 12px;border-radius:20px;display:inline-block;margin-bottom:10px;border:1px solid rgba(244,63,94,0.15);}
.featured-card-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;}
.featured-card-tags span{font-size:11px;color:#64748b;background:#fff;padding:3px 10px;border-radius:16px;border:1px solid #e2e8f0;white-space:nowrap;}

/* ========== 下载分隔线 ========== */
.download-divider{display:flex;align-items:center;justify-content:center;gap:12px;margin:20px 0 16px;color:#94a3b8;font-size:12px;font-weight:500;}
.download-divider::before,.download-divider::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,transparent,#e2e8f0,transparent);max-width:80px;}

/* ========== 云电脑居中 ========== */
.download-versions-extra-center{display:flex;justify-content:center;margin-top:16px;}
.download-versions-extra-center .version-card{flex:unset;width:100%;max-width:320px;}

/* ========== 轮播速度控制 ========== */
.carousel-speed-control{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:16px;font-size:13px;color:#64748b;}
.carousel-speed-control label{font-weight:500;white-space:nowrap;}
.carousel-speed-control input[type="range"]{width:120px;height:4px;-webkit-appearance:none;appearance:none;background:#e2e8f0;border-radius:2px;outline:none;cursor:pointer;}
.carousel-speed-control input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,#4f46e5,#7c3aed);cursor:pointer;box-shadow:0 2px 6px rgba(79,70,229,0.3);}
.carousel-speed-control input[type="range"]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,#4f46e5,#7c3aed);cursor:pointer;border:none;box-shadow:0 2px 6px rgba(79,70,229,0.3);}

/* ========== 信任数据 ========== */
.trust-bar{display:flex;justify-content:center;align-items:center;gap:28px;padding:20px;background:#fff;border-radius:var(--radius-md);margin-top:20px;border:1px solid var(--border-light);box-shadow:var(--card-shadow);max-width:760px;margin-left:auto;margin-right:auto;}
.trust-item{text-align:center;}
.trust-num{display:block;font-size:26px;font-weight:800;background:linear-gradient(135deg,var(--accent-start),var(--accent-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2;}
.trust-label{font-size:13px;color:var(--text-secondary);font-weight:500;margin-top:4px;}
.trust-divider{width:1px;height:40px;background:var(--border-color);}

/* ========== 核心特性 ========== */
.features-section{padding:100px 24px;max-width:1200px;margin:0 auto;background:var(--bg-section);border-radius:0;}
.features-wrap{max-width:1200px;margin:0 auto;}
.section-title{font-size:34px;font-weight:800;text-align:center;margin-bottom:14px;color:var(--text-primary);letter-spacing:-0.5px;}
.section-subtitle{text-align:center;color:var(--text-secondary);font-size:16px;margin-bottom:56px;}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:36px 28px;text-align:center;transition:all 0.3s;box-shadow:var(--card-shadow);}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--card-shadow-hover);}
.feature-icon-wrap{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:28px;}
.feature-icon-wrap.blue{background:rgba(79,70,229,0.08);}
.feature-icon-wrap.purple{background:rgba(124,58,237,0.08);}
.feature-icon-wrap.cyan{background:rgba(6,182,212,0.08);}
.feature-icon-wrap.green{background:rgba(16,185,129,0.08);}
.feature-icon-wrap.orange{background:rgba(245,158,11,0.08);}
.feature-icon-wrap.pink{background:rgba(236,72,153,0.08);}
.feature-title{font-size:17px;font-weight:700;color:var(--text-primary);margin-bottom:8px;}
.feature-desc{font-size:14px;color:var(--text-secondary);line-height:1.7;}

/* ========== 用户评价 ========== */
.reviews-section{padding:100px 24px;max-width:1200px;margin:0 auto;}
.reviews-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.review-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:28px;transition:all 0.3s;box-shadow:var(--card-shadow);}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--card-shadow-hover);}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.review-avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:white;flex-shrink:0;}
.review-avatar.av1{background:linear-gradient(135deg,#818cf8,#6366f1);}
.review-avatar.av2{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-green));}
.review-avatar.av3{background:linear-gradient(135deg,#f472b6,#ec4899);}
.review-avatar.av4{background:linear-gradient(135deg,#fbbf24,#f59e0b);}
.review-meta{flex:1;}
.review-name{font-size:15px;font-weight:600;color:var(--text-primary);}
.review-stars{color:#f59e0b;font-size:14px;letter-spacing:2px;}
.review-content{font-size:14px;color:var(--text-secondary);line-height:1.8;font-style:italic;padding-left:14px;border-left:3px solid var(--border-color);}

/* ========== 版本更新 ========== */
.changelog-section{padding:100px 24px;max-width:800px;margin:0 auto;}
.changelog-bg{background:var(--bg-section);}
.timeline{position:relative;padding-left:36px;}
.timeline::before{content:'';position:absolute;left:9px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--accent-start),var(--accent-end),var(--accent-cyan));border-radius:1px;}
.timeline-item{position:relative;margin-bottom:44px;}
.timeline-item:last-child{margin-bottom:0;}
.timeline-dot{position:absolute;left:-31px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--accent-start);box-shadow:0 0 0 4px rgba(79,70,229,0.15);border:2px solid #fff;}
.timeline-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-md);padding:24px;box-shadow:var(--card-shadow);}
.timeline-version{font-size:18px;font-weight:700;color:var(--accent-start);margin-bottom:2px;}
.timeline-date{font-size:13px;color:var(--text-muted);margin-bottom:12px;}
.timeline-changes{list-style:none;}
.timeline-changes li{font-size:14px;color:var(--text-secondary);padding:5px 0;padding-left:20px;position:relative;}
.timeline-changes li::before{content:'▸';position:absolute;left:0;color:var(--accent-start);}

/* ========== FAQ折叠面板 ========== */
.faq-section{padding:100px 24px;max-width:900px;margin:0 auto;}
.faq-accordion{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden;transition:all 0.3s;box-shadow:0 2px 12px rgba(0,0,0,0.03);}
.faq-item:hover{border-color:rgba(79,70,229,0.2);}
.faq-item-header{padding:20px 24px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:background 0.3s;}
.faq-item-header:hover{background:var(--bg-section);}
.faq-item-title{font-size:16px;font-weight:600;color:var(--text-primary);}
.faq-item-arrow{font-size:20px;color:var(--text-muted);transition:transform 0.3s;flex-shrink:0;}
.faq-item.open .faq-item-arrow{transform:rotate(180deg);color:var(--accent-start);}
.faq-item-body{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s;}
.faq-item.open .faq-item-body{max-height:600px;padding:0 24px 24px;}
.faq-item-body img{width:100%;max-width:100%;border-radius:var(--radius-md);margin-top:8px;border:1px solid var(--border-color);cursor:zoom-in;}

/* ========== FAQ快捷入口 ========== */
.faq-quick-link{text-align:center;margin:24px 0;}
.faq-quick-link a{display:inline-block;color:#4f46e5;font-size:14px;font-weight:500;text-decoration:none;padding:10px 24px;border-radius:8px;background:#f0f0ff;border:1px solid #e0e0f0;transition:all 0.3s ease;}
.faq-quick-link a:hover{background:#e8e8ff;transform:translateY(-1px);box-shadow:0 2px 8px rgba(79,70,229,0.1);}

/* ========== 下载提示 ========== */
.tips-section{padding:0 24px 80px;max-width:900px;margin:0 auto;}
.download-tips{background:#fffbeb;border:1px solid #fde68a;border-left:4px solid #f59e0b;border-radius:var(--radius-md);padding:28px 28px 28px 24px;text-align:left;}
.tips-title{color:#b45309;font-weight:700;font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.tips-content{color:var(--text-secondary);line-height:1.9;font-size:14px;}
.tips-content li{margin-bottom:8px;margin-left:20px;padding-left:8px;}

/* ========== 页脚 ========== */
.site-footer{padding:48px 24px;text-align:center;background:var(--bg-section);border-top:1px solid var(--border-light);}
.footer-text{font-size:14px;color:var(--text-secondary);}

/* ========== 弹窗 ========== */
.img-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.85);display:none;align-items:center;justify-content:center;z-index:10010;padding:20px;backdrop-filter:blur(8px);}
.img-modal-content{max-width:95%;max-height:90%;border-radius:var(--radius-md);box-shadow:0 20px 60px rgba(0,0,0,0.3);}
.close-modal{position:absolute;top:24px;right:24px;color:white;font-size:32px;font-weight:600;cursor:pointer;transition:all 0.3s;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,0.15);}
.close-modal:hover{background:rgba(255,255,255,0.3);transform:rotate(90deg);}
.modal-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,0.2);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,0.3);color:white;font-size:22px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.3s;z-index:10002;}
.modal-nav:hover{background:rgba(255,255,255,0.35);transform:translateY(-50%) scale(1.1);}
.modal-nav-prev{left:24px;}
.modal-nav-next{right:24px;}
.modal-autoplay-btn{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);padding:8px 20px;border-radius:20px;background:rgba(255,255,255,0.2);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,0.3);color:white;font-size:13px;font-weight:500;cursor:pointer;transition:all 0.3s;z-index:10002;display:none;}
.modal-autoplay-btn:hover{background:rgba(255,255,255,0.35);}
.modal-autoplay-btn.paused{background:rgba(255,255,255,0.1);opacity:0.7;}
.download-question-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);display:none;align-items:center;justify-content:center;z-index:10000;backdrop-filter:blur(4px);}
.modal-box{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-xl);width:90%;max-width:680px;padding:36px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,0.15);transform:translateY(20px);opacity:0;transition:all 0.3s;}
.download-question-modal.show .modal-box{transform:translateY(0);opacity:1;}
.modal-img{width:100%;max-height:400px;object-fit:contain;margin-bottom:24px;border-radius:var(--radius-md);cursor:zoom-in;border:1px solid var(--border-color);}
.modal-text{font-size:15px;color:var(--text-secondary);margin-bottom:24px;line-height:1.7;}
.modal-close-btn{background:linear-gradient(135deg,var(--accent-start),var(--accent-end));color:white;border:none;padding:12px 36px;border-radius:12px;font-size:16px;cursor:pointer;transition:all 0.3s;font-weight:600;box-shadow:0 4px 16px rgba(79,70,229,0.25);}
.modal-close-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(79,70,229,0.35);}

/* ========== 杀毒提示弹窗 ========== */
.antivirus-warning-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);display:none;align-items:center;justify-content:center;z-index:10001;backdrop-filter:blur(6px);padding:20px;}
.antivirus-warning-modal.show .antivirus-modal-box{transform:translateY(0) scale(1);opacity:1;}
.antivirus-modal-box{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-xl);width:92%;max-width:720px;padding:32px 28px;text-align:center;box-shadow:0 24px 80px rgba(0,0,0,0.2);transform:translateY(30px) scale(0.95);opacity:0;transition:all 0.35s cubic-bezier(0.4,0,0.2,1);}
.antivirus-modal-title{font-size:22px;font-weight:800;color:#ea580c;margin-bottom:16px;line-height:1.4;}
.antivirus-modal-img{width:100%;max-height:420px;object-fit:contain;border-radius:var(--radius-md);border:2px solid #fed7aa;margin-bottom:20px;cursor:zoom-in;box-shadow:0 4px 20px rgba(234,88,12,0.1);}
.antivirus-modal-text{font-size:14px;color:var(--text-secondary);margin-bottom:24px;line-height:1.8;text-align:left;padding:0 8px;}
.antivirus-modal-text strong{color:#dc2626;font-weight:700;}
.antivirus-confirm-btn{background:linear-gradient(135deg,#10b981,#059669);color:white;border:none;padding:14px 40px;border-radius:12px;font-size:16px;cursor:pointer;transition:all 0.3s;font-weight:700;box-shadow:0 4px 16px rgba(16,185,129,0.3);width:100%;max-width:320px;}
.antivirus-confirm-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(16,185,129,0.4);background:linear-gradient(135deg,#059669,#047857);}

/* ========== 全宽section背景 ========== */
.full-section-bg{background:var(--bg-section);}

/* ========== 科目覆盖区块 ========== */
.subjects-section{padding:100px 24px;max-width:1200px;margin:0 auto;background:var(--bg-white);}
.subjects-header{text-align:center;margin-bottom:56px;}
.subjects-header h2{font-size:34px;font-weight:800;color:var(--text-primary);letter-spacing:-0.5px;margin-bottom:14px;}
.subjects-header p{color:var(--text-secondary);font-size:16px;}
.subjects-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.subject-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:28px 22px;transition:all 0.3s;box-shadow:var(--card-shadow);position:relative;overflow:hidden;}
.subject-card:hover{transform:translateY(-6px);box-shadow:var(--card-shadow-hover);}
.subject-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;}
.subject-card--green::before{background:linear-gradient(90deg,#10b981,#34d399);}
.subject-card--purple::before{background:linear-gradient(90deg,#4f46e5,#818cf8);}
.subject-card--cyan::before{background:linear-gradient(90deg,#06b6d4,#22d3ee);}
.subject-card--orange::before{background:linear-gradient(90deg,#f59e0b,#fbbf24);}
.subject-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.subject-card-level{font-size:20px;font-weight:800;}
.subject-card--green .subject-card-level{color:#10b981;}
.subject-card--purple .subject-card-level{color:#4f46e5;}
.subject-card--cyan .subject-card-level{color:#06b6d4;}
.subject-card--orange .subject-card-level{color:#f59e0b;}
.subject-card-count{font-size:12px;font-weight:700;padding:3px 10px;border-radius:20px;}
.subject-card--green .subject-card-count{background:rgba(16,185,129,0.1);color:#10b981;}
.subject-card--purple .subject-card-count{background:rgba(79,70,229,0.1);color:#4f46e5;}
.subject-card--cyan .subject-card-count{background:rgba(6,182,212,0.1);color:#06b6d4;}
.subject-card--orange .subject-card-count{background:rgba(245,158,11,0.1);color:#f59e0b;}
.subject-card-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;}
.subject-card-list li{font-size:13px;color:var(--text-secondary);padding:7px 12px;background:var(--bg-section);border-radius:var(--radius-sm);transition:all 0.2s;line-height:1.4;}
.subject-card--green .subject-card-list li:hover{background:rgba(16,185,129,0.08);color:#059669;}
.subject-card--purple .subject-card-list li:hover{background:rgba(79,70,229,0.08);color:#4338ca;}
.subject-card--cyan .subject-card-list li:hover{background:rgba(6,182,212,0.08);color:#0891b2;}
.subject-card--orange .subject-card-list li:hover{background:rgba(245,158,11,0.08);color:#d97706;}
.subject-card-list li .subject-new-tag{display:inline-block;font-size:10px;font-weight:700;color:#fff;background:linear-gradient(135deg,#f43f5e,#e11d48);padding:1px 6px;border-radius:4px;margin-left:6px;vertical-align:middle;}
.subject-card-list li[data-sid]{cursor:pointer;position:relative;padding-right:24px;}
.subject-card-list li[data-sid]::after{content:'→';position:absolute;right:8px;top:50%;transform:translateY(-50%);opacity:0;transition:opacity 0.2s,transform 0.2s;font-size:12px;}
.subject-card-list li[data-sid]:hover::after{opacity:1;transform:translateY(-50%) translateX(2px);}
.subject-card-list li[data-sid]:hover{border-left:3px solid currentColor;padding-left:9px;}
.subjects-stats{display:flex;justify-content:center;align-items:center;gap:28px;padding:20px;background:#fff;border-radius:var(--radius-md);margin-top:40px;border:1px solid var(--border-light);box-shadow:var(--card-shadow);max-width:600px;margin-left:auto;margin-right:auto;}
.subjects-stats-item{text-align:center;}
.subjects-stats-num{display:block;font-size:24px;font-weight:800;line-height:1.2;}
.subjects-stats-num.stat-green{background:linear-gradient(135deg,#10b981,#34d399);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.subjects-stats-num.stat-purple{background:linear-gradient(135deg,#4f46e5,#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.subjects-stats-num.stat-cyan{background:linear-gradient(135deg,#06b6d4,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.subjects-stats-label{font-size:13px;color:var(--text-secondary);font-weight:500;margin-top:4px;}
.subjects-stats-divider{width:1px;height:40px;background:var(--border-color);}

/* ========== 移动端提示模块（基于UA检测） ========== */
.mobile-download-notice{display:none;}
.is-mobile .mobile-download-notice{display:block;background:linear-gradient(135deg,#eff6ff 0%,#e0f2fe 100%);border:1.5px solid rgba(6,182,212,0.25);border-radius:var(--radius-lg);padding:24px 20px;margin-bottom:20px;text-align:center;position:relative;overflow:hidden;box-shadow:0 4px 20px rgba(6,182,212,0.1);}
.is-mobile .mobile-download-notice::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#06b6d4,#0891b2,#06b6d4);}
.is-mobile .mobile-notice-icon{font-size:36px;margin-bottom:10px;}
.is-mobile .mobile-notice-title{font-size:16px;font-weight:700;color:#0e7490;margin-bottom:8px;}
.is-mobile .mobile-notice-desc{font-size:13px;color:#64748b;line-height:1.7;margin-bottom:16px;}
.is-mobile .mobile-notice-desc strong{color:#0e7490;}
.is-mobile .mobile-notice-btns{display:flex;flex-direction:column;gap:10px;}
.is-mobile .mobile-notice-btn{display:flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:10px;text-decoration:none;font-size:14px;font-weight:600;transition:all 0.3s;}
.is-mobile .mobile-notice-btn-primary{background:linear-gradient(135deg,#06b6d4,#0891b2);color:#fff;box-shadow:0 4px 16px rgba(6,182,212,0.3);}
.is-mobile .mobile-notice-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(6,182,212,0.4);}
.is-mobile .mobile-notice-btn-secondary{background:#fff;color:#4f46e5;border:1.5px solid #e2e8f0;box-shadow:0 2px 8px rgba(0,0,0,0.04);}
.is-mobile .mobile-notice-btn-secondary:hover{border-color:rgba(79,70,229,0.3);}
.is-mobile .mobile-notice-or{font-size:12px;color:#94a3b8;margin:4px 0;}
.is-mobile .mobile-hide-download{display:none!important;}

/* ========== 响应式 - 平板端 ========== */
@media(max-width:1024px){
    .features-grid{grid-template-columns:repeat(2,1fr);}
    .main-layout{flex-direction:column;align-items:center;}
    .layout-left{flex:unset;width:100%;max-width:600px;}
    .layout-right{flex:unset;width:100%;}
    .hero-title{font-size:30px;}
    .section-title{font-size:28px;}
    .reviews-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
    .subjects-grid{grid-template-columns:repeat(2,1fr);}
    .subjects-header h2{font-size:28px;}
}

/* ========== 响应式 - 移动端 ========== */
@media(max-width:768px){
    .hero-title{font-size:24px;letter-spacing:-0.5px;}
    .hero-subtitle{font-size:14px;padding:0 8px;}
    .hero-section{padding:24px 16px 20px;}
    .hero-tags{gap:8px;}
    .hero-tag{font-size:12px;padding:6px 10px;min-height:auto;min-width:auto;}
    .hero-badge{font-size:12px;padding:5px 12px;}
    .main-layout{flex-direction:column;align-items:center;gap:24px;}
    .layout-left{flex:unset;width:100%;}
    .layout-right{flex:unset;width:100%;}
    .features-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
    .feature-card{padding:24px 16px;}
    .feature-title{font-size:15px;}
    .feature-desc{font-size:13px;}
    .feature-icon-wrap{width:52px;height:52px;font-size:24px;}
    .reviews-grid{grid-template-columns:1fr;gap:16px;}
    .review-card{padding:20px;}
    .review-content{font-size:13px;}
    .trust-bar{flex-wrap:wrap;gap:12px;padding:16px;}
    .trust-divider{display:none;}
    .trust-item{width:calc(33.33% - 8px);}
    .trust-num{font-size:22px;}
    .trust-label{font-size:12px;}
    .section-title{font-size:24px;}
    .section-subtitle{font-size:14px;margin-bottom:36px;}
    .carousel-btn{width:36px;height:36px;font-size:16px;min-height:36px;min-width:36px;}
    .modal-nav{width:40px;height:40px;font-size:18px;}
    .modal-nav-prev{left:12px;}
    .modal-nav-next{right:12px;}
    .main-container{padding:24px 16px 36px;}
    .features-section,.reviews-section,.changelog-section,.faq-section{padding:60px 16px;}
    .download-versions{flex-direction:column;gap:14px;}
    .download-versions-extra{flex-direction:column;gap:14px;}
    .featured-download-card{padding:20px 16px;}
    .featured-card-title{font-size:16px;}
    .featured-card-desc{font-size:12px;}
    .featured-card-btn-wrap .download-btn-purple{width:100%;padding:12px 24px;display:flex;align-items:center;justify-content:center;}
    .download-versions-extra-center .version-card{max-width:100%;}
    .version-card{padding:14px 16px;}
    .version-card-title{font-size:14px;}
    .version-card-desc{font-size:12px;}
    .download-btn{padding:12px 20px;font-size:14px;min-height:44px;display:flex;align-items:center;justify-content:center;}
    .monitor-frame{max-width:100%;}
    .monitor-screen{padding:12px 12px 18px;}
    .timeline{padding-left:28px;}
    .timeline-card{padding:18px;}
    .timeline-version{font-size:16px;}
    .timeline-changes li{font-size:13px;}
    .faq-item-title{font-size:14px;}
    .faq-item-header{padding:16px 18px;min-height:44px;}
    .tips-section{padding:0 16px 60px;}
    .download-tips{padding:20px 16px 20px 14px;}
    .tips-title{font-size:14px;}
    .tips-content{font-size:13px;}
    .tips-content li{margin-left:12px;}
    .layout-right-title{font-size:16px;}
    .version-info{font-size:12px;}
    .faq-quick-link a{font-size:13px;padding:10px 18px;min-height:44px;display:inline-flex;align-items:center;}
    .subjects-section{padding:60px 16px;}
    .subjects-header h2{font-size:24px;}
    .subjects-header p{font-size:14px;}
    .subjects-header{margin-bottom:36px;}
    .subjects-grid{grid-template-columns:1fr;gap:16px;}
    .subject-card{padding:22px 18px;}
    .subjects-stats{flex-wrap:wrap;gap:12px;padding:16px;}
    .subjects-stats-divider{display:none;}
    .subjects-stats-item{width:calc(33.33% - 8px);}
    .subjects-stats-num{font-size:20px;}
    .antivirus-modal-box{padding:24px 18px;width:95%;}
    .antivirus-modal-title{font-size:18px;}
    .antivirus-modal-img{max-height:320px;}
    .antivirus-modal-text{font-size:13px;}
    .antivirus-confirm-btn{padding:12px 24px;font-size:15px;}
}

/* ========== 响应式 - 小屏手机 ========== */
@media(max-width:480px){
    .hero-title{font-size:22px;}
    .hero-subtitle{font-size:13px;}
    .features-grid{grid-template-columns:1fr;gap:12px;}
    .feature-card{padding:24px 18px;}
    .main-container{padding:20px 12px 40px;}
    .section-title{font-size:20px;}
    .section-subtitle{font-size:13px;margin-bottom:28px;}
    .main-layout{gap:20px;}
    .trust-bar{padding:14px 12px;}
    .trust-num{font-size:20px;}
    .version-card-badge{font-size:10px;padding:3px 10px;top:-10px;}
    .monitor-screen{padding:10px 10px 16px;border-radius:12px 12px 4px 4px;}
    .carousel-dots{bottom:8px;gap:6px;}
    .carousel-dot{width:6px;height:6px;}
    .carousel-dot.active{width:18px;}
    .changelog-section{padding:60px 12px;}
    .timeline-card{padding:14px;}
    .faq-section{padding:60px 12px;}
    .modal-box{padding:24px 16px;}
    .modal-text{font-size:14px;}
    .subjects-section{padding:48px 12px;}
    .subjects-header h2{font-size:20px;}
    .subjects-header p{font-size:13px;margin-bottom:28px;}
    .subject-card{padding:18px 14px;}
    .subject-card-level{font-size:18px;}
    .subject-card-list li{font-size:12px;padding:6px 10px;}
    .subjects-stats{padding:14px 12px;}
    .subjects-stats-num{font-size:18px;}
}

/* ========== 深色模式支持 (Dark Mode) ========== */
body.dark-mode {
    --bg-white: #1a202c;
    --bg-light: #2d3748;
    --bg-section: #2d3748;
    --bg-alt: #374151;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e0;
    --text-muted: #a0aec0;
    --border-color: #4a5568;
    --border-light: #4a5568;
    --card-shadow: 0 4px 24px rgba(0,0,0,0.2);
    --card-shadow-hover: 0 12px 40px rgba(0,0,0,0.3);
}

/* Hero区域 */
body.dark-mode .hero-section {
    background: linear-gradient(180deg, #1a202c 0%, #2d3748 100%);
}
body.dark-mode .hero-badge {
    background: #2d3748;
    border-color: #4a5568;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
body.dark-mode .hero-tag {
    background: #2d3748;
    border-color: #4a5568;
    color: #cbd5e0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
body.dark-mode .hero-tag:hover {
    border-color: rgba(79,70,229,0.5);
    color: #818cf8;
}
body.dark-mode .hero-subtitle strong {
    color: #818cf8;
}

/* 显示器组件 */
body.dark-mode .monitor-screen {
    background: #2d3748;
    border-color: #4a5568;
    box-shadow: 0 8px 40px rgba(0,0,0,0.25);
}
body.dark-mode .monitor-screen::before {
    background: #4a5568;
}
body.dark-mode .monitor-screen::after {
    color: #718096;
}
body.dark-mode .monitor-stand {
    background: linear-gradient(180deg, #4a5568 0%, #2d3748 100%);
}
body.dark-mode .monitor-base {
    background: linear-gradient(180deg, #2d3748 0%, #4a5568 100%);
}

/* 轮播按钮 */
body.dark-mode .carousel-btn {
    background: rgba(45,55,72,0.9);
    border-color: #4a5568;
    color: #e2e8f0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
body.dark-mode .carousel-btn:hover {
    background: #374151;
    box-shadow: 0 4px 16px rgba(0,0,0,0.35);
}

/* 轮播速度控制 */
body.dark-mode .carousel-speed-control {
    color: #a0aec0;
}
body.dark-mode .carousel-speed-control input[type="range"] {
    background: #4a5568;
}

/* 下载卡片 */
body.dark-mode .version-card {
    background: #2d3748;
    border-color: #4a5568;
}
body.dark-mode .version-card-primary {
    border-color: #4a5568;
    border-top-color: var(--accent-start);
}
body.dark-mode .version-card-green {
    border-color: #4a5568;
    border-top-color: var(--accent-green);
}
body.dark-mode .version-card-orange {
    border-color: #4a5568;
    border-top-color: #f59e0b;
}
body.dark-mode .version-card-cyan {
    border-color: #4a5568;
    border-top-color: #06b6d4;
}
body.dark-mode .version-card-purple {
    border-color: #4a5568;
    border-top-color: #f43f5e;
}
body.dark-mode .version-card-title {
    color: #818cf8;
}
body.dark-mode .version-card-desc {
    color: #cbd5e0;
}
body.dark-mode .version-card-size {
    background: rgba(124,58,237,0.15);
    border-color: rgba(124,58,237,0.25);
    color: #c4b5fd;
}
body.dark-mode .version-card-hint {
    color: #a0aec0;
}

/* 全宽推荐卡片（环境助手） */
body.dark-mode .featured-download-card {
    background: linear-gradient(135deg, #2d2030 0%, #2a1f2e 50%, #2d2030 100%);
    border-color: rgba(244,63,94,0.3);
    box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}
body.dark-mode .featured-download-card:hover {
    box-shadow: 0 8px 36px rgba(0,0,0,0.35);
}
body.dark-mode .featured-card-title {
    color: #fb7185;
}
body.dark-mode .featured-card-title .icon-wrap {
    background: rgba(244,63,94,0.2);
}
body.dark-mode .featured-card-desc {
    color: #cbd5e0;
}
body.dark-mode .featured-card-desc strong {
    color: #fb7185;
}
body.dark-mode .featured-card-size {
    color: #fb7185;
    background: rgba(244,63,94,0.15);
    border-color: rgba(244,63,94,0.25);
}
body.dark-mode .featured-card-tags span {
    color: #cbd5e0;
    background: #374151;
    border-color: #4a5568;
}

/* 下载分隔线 */
body.dark-mode .download-divider {
    color: #718096;
}
body.dark-mode .download-divider::before,
body.dark-mode .download-divider::after {
    background: linear-gradient(90deg, transparent, #4a5568, transparent);
}

/* 信任数据 */
body.dark-mode .trust-bar {
    background: #2d3748;
    border-color: #4a5568;
}
body.dark-mode .trust-divider {
    background: #4a5568;
}

/* 核心特性卡片 */
body.dark-mode .feature-card {
    background: #2d3748;
    border-color: #4a5568;
}

/* 用户评价卡片 */
body.dark-mode .review-card {
    background: #2d3748;
    border-color: #4a5568;
}
body.dark-mode .review-content {
    border-left-color: #4a5568;
}

/* 版本更新时间线 */
body.dark-mode .timeline-card {
    background: #2d3748;
    border-color: #4a5568;
}
body.dark-mode .timeline-dot {
    border-color: #1a202c;
}

/* FAQ折叠面板 */
body.dark-mode .faq-item {
    background: #2d3748;
    border-color: #4a5568;
}
body.dark-mode .faq-item:hover {
    border-color: rgba(79,70,229,0.4);
}
body.dark-mode .faq-item-header:hover {
    background: #374151;
}

/* FAQ快捷入口 */
body.dark-mode .faq-quick-link a {
    color: #818cf8;
    background: rgba(79,70,229,0.15);
    border-color: rgba(79,70,229,0.3);
}
body.dark-mode .faq-quick-link a:hover {
    background: rgba(79,70,229,0.25);
    box-shadow: 0 2px 8px rgba(79,70,229,0.2);
}

/* 下载提示框 */
body.dark-mode .download-tips {
    background: #2d2a1f;
    border-color: #5c4d1e;
    border-left-color: #d97706;
}
body.dark-mode .tips-title {
    color: #fbbf24;
}
body.dark-mode .tips-content {
    color: #cbd5e0;
}

/* 科目覆盖区块 */
body.dark-mode .subject-card {
    background: #2d3748;
    border-color: #4a5568;
}
body.dark-mode .subjects-stats {
    background: #2d3748;
    border-color: #4a5568;
}
body.dark-mode .subject-card-list li {
    background: #374151;
    color: #cbd5e0;
}

/* 弹窗 */
body.dark-mode .modal-box {
    background: #2d3748;
    border-color: #4a5568;
}
body.dark-mode .modal-text {
    color: #cbd5e0;
}
body.dark-mode .antivirus-modal-box {
    background: #2d3748;
    border-color: #4a5568;
}
body.dark-mode .antivirus-modal-text {
    color: #cbd5e0;
}
body.dark-mode .antivirus-modal-title {
    color: #fb923c;
}
body.dark-mode .antivirus-modal-img {
    border-color: #78350f;
}

/* 移动端提示 */
body.dark-mode .is-mobile .mobile-download-notice {
    background: linear-gradient(135deg, #1a2332 0%, #1a2636 100%);
    border-color: rgba(6,182,212,0.35);
}
body.dark-mode .is-mobile .mobile-notice-title {
    color: #22d3ee;
}
body.dark-mode .is-mobile .mobile-notice-desc {
    color: #cbd5e0;
}
body.dark-mode .is-mobile .mobile-notice-desc strong {
    color: #22d3ee;
}
body.dark-mode .is-mobile .mobile-notice-btn-secondary {
    background: #374151;
    color: #818cf8;
    border-color: #4a5568;
}

/* 页脚 */
body.dark-mode .site-footer {
    background: #2d3748;
    border-top-color: #4a5568;
}