/* ================= 核心变量 ================= */
:root {
    --primary: #0d9488;        /* 极光青 */
    --primary-hover: #0f766e;
    --primary-light: #f0fdfa;  /* 极浅青色底 */
    --accent: #f97316;         /* 珊瑚橘 */
    --bg-body: #f4f7f9;        /* 清新干净的浅灰蓝背景 */
    --bg-sidebar: rgba(255, 255, 255, 0.9); 
    --text-main: #334155;
    --text-dark: #0f172a;
    --text-sub: #64748b;
    --radius-main: 24px;       
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px -10px rgba(13, 148, 136, 0.15);
}

/* ================= 基础布局与全局美化 ================= */
html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; outline: none; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; border: 2px solid var(--bg-body); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

body {
    font-family: 'Inter', "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    font-size: 14px; line-height: 1.6; letter-spacing: 0.02em;
    background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
    background-size: 32px 32px; position: relative; overflow-x: hidden;
}

body::before, body::after {
    content: ''; position: fixed; filter: blur(140px); z-index: -1; 
    opacity: 0.6; border-radius: 50%; pointer-events: none;
}
body::before { top: -10%; left: -10%; width: 60vw; height: 60vw; background: radial-gradient(circle, #ccfbf1, transparent 70%); }
body::after { bottom: -10%; right: -10%; width: 50vw; height: 50vw; background: radial-gradient(circle, #e0e7ff, transparent 70%); }

ul, li { list-style: none; }
a { text-decoration: none; color: inherit; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer;}
img { width: 100%; height: 100%; object-fit: cover; display: block; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.animate-up { animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }
.delay-1 { animation-delay: 0.1s; } .delay-2 { animation-delay: 0.2s; } .delay-3 { animation-delay: 0.3s; } .delay-4 { animation-delay: 0.4s; }

/* ================= 侧边栏导航 ================= */
.g-sidenav {
    position: fixed; left: 24px; top: 24px; bottom: 24px; width: 270px; 
    background: var(--bg-sidebar); border-radius: var(--radius-main); z-index: 1000; display: flex; flex-direction: column;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.04); border: 1px solid rgba(255,255,255,1); 
    backdrop-filter: blur(24px); overflow: hidden;
}
.brand-area { 
    height: 96px; display: flex; align-items: center; padding: 0 24px; 
    border-bottom: 1px dashed rgba(0,0,0,0.06); margin-bottom: 12px; position: relative;
}
.logo-icon {
    width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    border-radius: 14px; display: flex; align-items: center; justify-content: center;
    margin-right: 14px; color: #fff; font-size: 20px; box-shadow: 0 8px 16px rgba(13, 148, 136, 0.25); flex-shrink: 0;
}
.logo-cn { font-size: 22px; font-weight: 900; letter-spacing: 2px; background: linear-gradient(to right, #0f172a, var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-list { padding: 0 16px 20px; flex: 1; overflow-y: auto; scrollbar-width: none; }
.nav-list::-webkit-scrollbar { display: none; }
.nav-title { font-size: 12px; font-weight: 800; color: #94a3b8; padding: 0 12px; margin: 24px 0 12px 0; text-transform: uppercase; letter-spacing: 2px; display: flex; align-items: center; }
.nav-title::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(0,0,0,0.05), transparent); margin-left: 12px; }
.nav-list li { margin-bottom: 8px; }
.nav-list li a { display: flex; align-items: center; padding: 12px 14px; color: #475569; border-radius: 16px; font-weight: 600; font-size: 15px; letter-spacing: 0.05em; transition: all 0.3s; position: relative; }
.nav-list li a i { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; margin-right: 14px; font-size: 16px; border-radius: 12px; background: rgba(0,0,0,0.03); color: #64748b; transition: all 0.3s; }
.nav-list li.active a { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%); color: #fff; box-shadow: 0 8px 20px -6px rgba(13, 148, 136, 0.5); }
.nav-list li.active a i { background: rgba(255,255,255,0.25); color: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.nav-list li:not(.active) a:hover { background: rgba(13, 148, 136, 0.06); color: var(--primary-hover); transform: translateX(6px); }
.nav-list li:not(.active) a:hover i { background: #fff; color: var(--primary); box-shadow: 0 4px 12px rgba(13, 148, 136, 0.12); transform: scale(1.08) rotate(3deg); }

/* 左侧导航悬浮子菜单 */
.nav-submenu {
    position: fixed; background: rgba(255, 255, 255, 0.96); border: 1px solid rgba(255, 255, 255, 1);
    box-shadow: 0 15px 40px -5px rgba(13, 148, 136, 0.12); backdrop-filter: blur(24px); border-radius: 20px;
    padding: 24px; z-index: 1001; width: 440px; opacity: 0; visibility: hidden; transform: translateX(-15px);
    transition: all 0.3s; pointer-events: none;
}
.nav-submenu.show { opacity: 1; visibility: visible; transform: translateX(0); pointer-events: auto; }
#submenu-mobile { width: 620px; }
.submenu-title { font-size: 16px; font-weight: 800; color: var(--text-dark); margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px dashed rgba(0,0,0,0.06); display: flex; align-items: center; gap: 10px; }
.submenu-title i { color: var(--primary); font-size: 18px; }
.submenu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 16px; }
#submenu-mobile .submenu-grid { grid-template-columns: repeat(3, 1fr); }
.submenu-grid a { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 12px; color: var(--text-main); font-size: 13px; font-weight: 700; background: rgba(0,0,0,0.02); border: 1px solid transparent; transition: 0.3s;}
.submenu-grid a i { color: var(--text-sub); width: 18px; text-align: center; transition: 0.3s; }
.submenu-grid a:hover { background: var(--primary-light); color: var(--primary-hover); transform: translateX(4px); border-color: rgba(13, 148, 136, 0.1);}
.submenu-grid a:hover i { color: var(--primary); transform: scale(1.1); }

/* 主体容器 */
.main-container { margin-left: 320px; padding: 30px 40px 60px 10px; max-width: 1700px; margin-right: auto; overflow-x: hidden; }

/* ================= 顶部导航与搜索 ================= */
.top-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; position: relative; z-index: 1000; }
.search-wrapper { position: relative; flex: 1; max-width: 580px; display: flex; align-items: center; }

.search-input {
    width: 100%; height: 56px; padding: 0 100px 0 28px; border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 1); background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px); box-shadow: var(--shadow-soft);
    color: var(--text-dark); font-size: 15px; font-weight: 600; transition: all 0.4s ease;
}
.search-input::placeholder { color: #94a3b8; font-weight: 500; }
.search-input:focus {
    background: #ffffff; border-color: var(--primary);
    box-shadow: 0 15px 35px -10px rgba(13, 148, 136, 0.25), 0 0 0 4px rgba(13, 148, 136, 0.1);
}

.search-btn {
    position: absolute; right: 6px; top: 6px; bottom: 6px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: #fff; border-radius: 22px; padding: 0 28px; display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 800; cursor: pointer; transition: all 0.3s ease; letter-spacing: 2px;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}
.search-btn:hover { background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%); transform: translateY(-1px); box-shadow: 0 6px 15px rgba(13, 148, 136, 0.4); }

/* 搜索下拉热搜榜 */
.search-dropdown {
    position: absolute; top: calc(100% + 14px); left: 0; width: 100%;
    background: rgba(255, 255, 255, 0.98); border: 1px solid rgba(255, 255, 255, 1);
    box-shadow: 0 25px 50px -10px rgba(13, 148, 136, 0.15); backdrop-filter: blur(24px);
    border-radius: 20px; padding: 24px; z-index: 1001; opacity: 0; visibility: hidden;
    transform: translateY(-10px); transition: all 0.3s; pointer-events: none;
}
.search-dropdown.show { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.sd-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px dashed rgba(0,0,0,0.06); }
.sd-title { font-size: 16px; font-weight: 800; color: var(--text-dark); display: flex; align-items: center; gap: 8px; }
.sd-title i { color: #ef4444; font-size: 18px; } 
.sd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.sd-item { display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 700; color: var(--text-main); cursor: pointer; padding: 8px 12px; border-radius: 12px; transition: 0.2s; border: 1px solid transparent;}
.sd-item:hover { background: var(--primary-light); color: var(--primary-hover); transform: translateX(4px); border-color: rgba(13,148,136,0.1);}
.sd-idx { font-size: 15px; font-weight: 900; font-style: italic; color: #94a3b8; width: 22px; text-align: center; }
.sd-item:nth-child(1) .sd-idx { color: #ef4444; } .sd-item:nth-child(2) .sd-idx { color: #f97316; } .sd-item:nth-child(3) .sd-idx { color: #f59e0b; }
.sd-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sd-tag { font-size: 11px; padding: 2px 6px; border-radius: 4px; font-weight: 900; line-height: 1; }
.sd-tag.hot { background: #fee2e2; color: #ef4444; } .sd-tag.new { background: #e0f2fe; color: #0284c7; } .sd-tag.up { background: #dcfce7; color: #059669; }

/* ================= 🌟 1. 顶级视觉焦点大图轮播 ================= */
.hero-carousel-wrapper {
    position: relative; margin-bottom: 40px; width: 100%; height: 380px; border-radius: var(--radius-main);
}

.hc-track {
    display: flex; gap: 16px; height: 100%; overflow-x: auto; scroll-behavior: smooth; padding-bottom: 15px; 
}
.hc-track::-webkit-scrollbar { display: none; }

.hc-item {
    display: block; flex: 0 0 140px; height: 100%; border-radius: var(--radius-main); background-color: #e2e8f0;
    background-size: cover; background-position: center; position: relative; overflow: hidden; cursor: pointer;
    transition: flex 0.6s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.4s ease, border-color 0.4s;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08); border: 2px solid transparent;
}

.hc-item::after {
    content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.15); transition: 0.6s;
}
.hc-item.active::after { background: transparent; }

.hc-item.active {
    flex: 0 0 760px; 
    box-shadow: 0 20px 40px rgba(0,0,0,0.15), inset 0 0 0 1px rgba(255,255,255,0.5);
    border-color: #ffffff;
}

.hc-content {
    position: absolute; left: 32px; bottom: 32px; display: flex; justify-content: space-between; align-items: flex-end;
    opacity: 0; transform: translateY(20px); transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    pointer-events: none; white-space: nowrap; background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(24px); border: 1px solid rgba(255, 255, 255, 1); border-radius: 20px;
    padding: 24px 30px; width: calc(100% - 64px); box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.15);
}
.hc-item.active .hc-content { opacity: 1; transform: translateY(0); transition-delay: 0.15s; pointer-events: auto; }

.hc-text-wrap { display: flex; align-items: center; gap: 16px; }
.hc-logo { 
    width: 58px; height: 58px; background: #ffffff; border-radius: 16px; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12); padding: 3px; flex-shrink: 0; aspect-ratio: 1 / 1;
}
.hc-logo img { width: 100%; height: 100%; border-radius: 13px; object-fit: cover;}

.hc-text h3 { color: var(--text-dark); font-size: 32px; font-weight: 900; margin: 0; letter-spacing: 1px;}
.hc-text p { color: var(--text-sub); font-size: 14px; line-height: 1.6; font-weight: 600; margin: 0;}
.hc-text p span { color: #fff; background: var(--primary); padding: 3px 10px; border-radius: 6px; font-size: 12px; margin-right: 8px; font-weight: 800; display: inline-block; transform: translateY(-1px);}

.hc-score { text-align: right; display: flex; flex-direction: column; align-items: flex-end; justify-content: flex-end; height: 100%;}
.hc-score span { font-size: 13px; font-weight: 800; color: #94a3b8; letter-spacing: 1px;}
.hc-score strong { color: var(--primary); font-size: 42px; font-weight: 900; line-height: 1; margin: 4px 0 10px; font-family: 'Inter', sans-serif; text-shadow: 0 2px 10px rgba(13,148,136,0.15);}
.hc-score em { 
    font-size: 13px; font-style: normal; font-weight: 800; color: var(--text-dark);
    background: #f1f5f9; padding: 8px 16px; border-radius: 20px; border: 1px solid #e2e8f0; display: flex; align-items: center; gap: 6px;
}

.hc-btn {
    position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px;
    background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(16px); color: var(--text-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 22px; cursor: pointer; z-index: 10; border: 1px solid rgba(0,0,0,0.05); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}
.hc-btn:hover { background: #ffffff; color: var(--primary); transform: translateY(-50%) scale(1.1); box-shadow: 0 12px 30px rgba(13, 148, 136, 0.2); border-color: rgba(13,148,136,0.1);}
.hc-prev { left: -26px; } .hc-next { right: -26px; }

/* ================= 🌟 2. 热门快捷导航 ================= */
.hot-recommend-nav {
    background: rgba(255, 255, 255, 0.6); border: 1px solid #ffffff; box-shadow: var(--shadow-soft);
    border-radius: var(--radius-main); padding: 24px; margin-bottom: 50px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; backdrop-filter: blur(24px); position: relative; z-index: 10;
}

.hr-col {
    background: rgba(255, 255, 255, 0.6); border-radius: 20px; padding: 24px; border: 1px solid rgba(255,255,255,1); transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.hr-col:hover { background: #ffffff; box-shadow: 0 15px 35px -5px rgba(13,148,136,0.1); transform: translateY(-4px); border-color: rgba(13,148,136,0.15); }

.hr-col-head { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; font-size: 16px; font-weight: 900; color: var(--text-dark); letter-spacing: 0.5px; }
.hr-col-head i { width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 15px; }
.hr-col:nth-child(1) .hr-col-head i { background: linear-gradient(135deg, #f97316, #ea580c); box-shadow: 0 4px 10px rgba(234, 88, 12, 0.3); }
.hr-col:nth-child(2) .hr-col-head i { background: linear-gradient(135deg, #0ea5e9, #0284c7); box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3); }
.hr-col:nth-child(3) .hr-col-head i { background: linear-gradient(135deg, #10b981, #059669); box-shadow: 0 4px 10px rgba(5, 150, 105, 0.3); }
.hr-col:nth-child(4) .hr-col-head i { background: linear-gradient(135deg, #8b5cf6, #6d28d9); box-shadow: 0 4px 10px rgba(109, 40, 217, 0.3); }

.hr-links { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.hr-links a { 
    font-size: 13px; font-weight: 700; color: var(--text-main); transition: all 0.3s; position: relative; 
    padding: 6px 14px; border-radius: 12px; background: rgba(241, 245, 249, 0.8); border: 1px solid transparent; display: inline-flex; align-items: center;
}
.hr-links a:hover { 
    color: var(--primary); background: var(--primary-light); transform: translateY(-2px) scale(1.03); border-color: rgba(13,148,136,0.2); box-shadow: 0 4px 10px rgba(13,148,136,0.1);
}

.hr-links a.highlight { color: #ef4444; background: #fef2f2; border-color: #fecaca; padding-right: 10px; }
.hr-links a.highlight::after {
    content: '热门'; font-size: 10px; font-weight: 900; background: linear-gradient(135deg, #ef4444, #b91c1c); 
    color: #fff; padding: 2px 5px; border-radius: 6px; margin-left: 6px; line-height: 1.1; box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}
.hr-links a.highlight:hover { background: #ef4444; color: #fff; border-color: #ef4444; box-shadow: 0 6px 15px rgba(239, 68, 68, 0.35); }
.hr-links a.highlight:hover::after { background: #fff; color: #ef4444; }

/* ================= 🌟 3. 横向滚动推荐区块 ================= */
.hz-light-wrapper {
    background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(24px); border-radius: var(--radius-main); padding: 30px 32px 40px; margin-bottom: 50px; box-shadow: var(--shadow-soft); border: 1px solid rgba(255,255,255,1);
}

.hz-section { margin-bottom: 40px; }
.hz-section:last-child { margin-bottom: 0; }

.hz-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding: 0 4px;}
.hz-title { font-size: 22px; font-weight: 900; color: var(--text-dark); display: flex; align-items: center; cursor: pointer; transition: 0.3s; }
.hz-title:hover { color: var(--primary); }
.hz-title i { font-size: 16px; opacity: 0.6; margin-left: 8px; transition: 0.3s; }
.hz-title:hover i { transform: translateX(4px); opacity: 1; }

.hz-nav { display: flex; gap: 12px; }
.hz-btn { 
    width: 32px; height: 32px; border-radius: 50%; border: 1px solid #e2e8f0; background: #ffffff; color: var(--text-sub); cursor: pointer; transition: 0.3s; 
    display: flex; align-items: center; justify-content: center; outline: none; box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}
.hz-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: scale(1.1); box-shadow: 0 4px 10px rgba(13,148,136,0.2);}

.hz-track-wrapper { position: relative; width: 100%; overflow: hidden; border-radius: 16px; }
.hz-track { display: flex; gap: 20px; overflow-x: auto; scroll-behavior: smooth; padding-bottom: 15px; scrollbar-width: none; }
.hz-track::-webkit-scrollbar { display: none; }

.hz-card { 
    flex: 0 0 300px; display: flex; flex-direction: column; gap: 14px; cursor: pointer; text-decoration: none; position: relative; border: 1px solid transparent; border-radius: 16px;
}

.hz-img-wrap { 
    width: 100%; aspect-ratio: 16 / 9; border-radius: 16px; overflow: hidden; position: relative; box-shadow: 0 8px 20px rgba(0,0,0,0.06); border: 1px solid rgba(0,0,0,0.03); background: #f1f5f9;
}
.hz-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1); }
.hz-card:hover .hz-img-wrap img { transform: scale(1.05); }

.hz-info { display: flex; flex-direction: column; gap: 6px; padding: 0 6px; }
.hz-title-row { display: flex; justify-content: space-between; align-items: center; }
.hz-name { font-size: 16px; font-weight: 800; color: var(--text-dark); transition: 0.3s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}
.hz-card:hover .hz-name { color: var(--primary); }
.hz-score { font-size: 14px; font-weight: 900; font-family: 'Inter', sans-serif; }
.hz-score.high { color: var(--accent); } .hz-score.high::before { content:'★ '; color:#facc15; }
.hz-score.none { color: #94a3b8; font-weight: 600; font-size: 12px;}
.hz-sub { font-size: 13px; color: var(--text-sub); font-weight: 600; display: flex; align-items: center; gap: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}

/* 版本卡片角标 */
.v-badge-left { 
    position: absolute; top: 12px; left: 12px; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(8px); color: var(--primary); padding: 4px 10px; border-radius: 8px; font-size: 12px; font-weight: 800; z-index: 2; box-shadow: 0 4px 10px rgba(0,0,0,0.05); border: 1px solid rgba(255,255,255,1);
}
.v-badge-right { 
    position: absolute; top: 12px; right: 12px; background: linear-gradient(135deg, var(--accent), #ea580c); color: #fff; padding: 4px 10px; border-radius: 8px; font-size: 12px; font-weight: 900; z-index: 2; font-family: 'Inter', sans-serif; box-shadow: 0 4px 10px rgba(234, 88, 12, 0.3);
}
.v-badge-right span { font-size: 14px; margin-left: 2px;}

/* ================= 4. 排行榜结构布局 ================= */
.mb-sec { margin-bottom: 80px; }
.sec-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 28px; padding-left: 20px; position: relative; }
.sec-header::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); height: 28px; width: 6px; border-radius: 4px; background: linear-gradient(to bottom, var(--primary), #2dd4bf); box-shadow: 0 0 12px rgba(13, 148, 136, 0.3); }
.sec-title-wrap { display: flex; flex-direction: column; gap: 6px;}
.sec-title { font-size: 28px; font-weight: 900; color: var(--text-dark); display: flex; align-items: center; gap: 12px; line-height: 1.1; letter-spacing: 0.05em;}
.sec-subtitle { font-size: 13px; font-weight: 800; color: #94a3b8; letter-spacing: 1px; }

.rank-cat-tags { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.r-tag {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; background: rgba(255,255,255,0.9); border: 1px solid #e2e8f0; border-radius: 24px; font-size: 14px; font-weight: 700; color: var(--text-main); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 4px 12px rgba(0,0,0,0.03); backdrop-filter: blur(10px);
}
.r-tag i { font-size: 18px; opacity: 0.75; transition: 0.3s; color: var(--text-sub); }
.r-tag:hover, .r-tag.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover)); color: #fff; border-color: transparent; transform: translateY(-3px) scale(1.02); box-shadow: 0 10px 25px rgba(13,148,136,0.3);
}
.r-tag:hover i, .r-tag.active i { opacity: 1; color: #fff; transform: scale(1.15) rotate(-5deg); }

.rank-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.rank-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.rank-col, .schedule-col { 
    background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(24px); border-radius: var(--radius-main); box-shadow: var(--shadow-soft); border: 1px solid rgba(255,255,255,1); display: flex; flex-direction: column; position: relative; overflow: hidden; transition: 0.4s;
} 
.rank-col:hover, .schedule-col:hover { box-shadow: var(--shadow-hover); transform: translateY(-5px); }

.rank-head-bg, .schedule-head-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 240px; background-size: cover; background-position: center top; -webkit-mask-image: linear-gradient(to bottom, rgba(255,255,255,0.8) 0%, transparent 100%); mask-image: linear-gradient(to bottom, rgba(255,255,255,0.8) 0%, transparent 100%); z-index: 0; opacity: 0.15; transition: opacity 0.5s;
}
.rank-col:hover .rank-head-bg, .schedule-col:hover .schedule-head-bg { opacity: 0.25; }

.rank-head, .schedule-head { 
    padding: 28px 24px 20px; font-size: 20px; font-weight: 900; display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 1; letter-spacing: 0.5px;
}
.schedule-head { padding: 24px 20px 16px; font-size: 18px; }

.rank-head-left, .schedule-head-left { display: flex; align-items: center; gap: 10px; color: var(--text-dark); }
.rank-head-left i, .schedule-head-left i { font-size: 24px; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));}
.schedule-head-left i { font-size: 22px; }

.rank-head-more { 
    font-size: 13px; color: var(--text-sub); font-weight: 700; font-family: 'Inter', sans-serif; background: rgba(0,0,0,0.03); padding: 6px 14px; border-radius: 12px; transition: 0.3s; border: 1px solid transparent;
}
.rank-head-more:hover { background: #fff; color: var(--primary); box-shadow: 0 4px 10px rgba(0,0,0,0.05); border-color: rgba(13,148,136,0.2);}

.rank-list-content, .schedule-list-content { padding: 0 16px 16px; flex: 1; display: flex; flex-direction: column; gap: 12px; position: relative; z-index: 1; }

.rank-item, .schedule-item { 
    padding: 0; height: 96px; border-radius: 16px; position: relative; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); border: 1px solid transparent; background: transparent; display: flex; align-items: center; 
}
.schedule-item { height: 90px; }

.rank-item:hover, .schedule-item:hover { 
    background: #ffffff; transform: translateX(6px) scale(1.02); box-shadow: 0 12px 25px rgba(0,0,0,0.06); border-color: rgba(13, 148, 136, 0.2); z-index: 20; 
}
.rank-item::before, .schedule-item::before {
    content: ''; position: absolute; left: -1px; top: 20%; height: 60%; width: 4px; border-radius: 4px; background: var(--primary); opacity: 0; transform: scaleY(0); transition: 0.3s;
}
.rank-item:hover::before, .schedule-item:hover::before { opacity: 1; transform: scaleY(1); }

a.rank-inner, a.schedule-inner { display: flex; align-items: center; height: 100%; width: 100%; padding: 10px 10px 10px 16px; gap: 16px; position: relative; z-index: 1; }
a.schedule-inner { padding: 10px 14px; gap: 14px; }

.rank-img, .schedule-img { 
    width: 120px; height: 72px; border-radius: 12px; object-fit: cover; transition: all 0.4s ease; box-shadow: 0 4px 12px rgba(0,0,0,0.08); flex-shrink: 0; border: 1px solid rgba(0,0,0,0.03); aspect-ratio: 5 / 3;
}
.schedule-img { width: 105px; height: 68px; aspect-ratio: 105 / 68; }
.rank-item:hover .rank-img, .schedule-item:hover .schedule-img { transform: scale(1.05); box-shadow: 0 8px 20px rgba(0,0,0,0.12);}

.rank-info, .schedule-info { flex: 1; overflow: hidden; display: flex; flex-direction: column; justify-content: center; gap: 6px;}
.rank-title-row, .schedule-title-row { display: flex; align-items: center; gap: 12px; }
.schedule-title-row { gap: 10px; }

.rank-idx { 
    width: auto; min-width: 26px; height: 26px; border-radius: 8px; padding: 0 6px; background: #f1f5f9; color: #64748b; border: 1px solid #e2e8f0; font-size: 14px; font-weight: 900; text-align: center; line-height: 24px; flex-shrink: 0; font-style: normal; font-family: 'Inter', sans-serif;
}
.rank-item:nth-child(1) .rank-idx { background: linear-gradient(135deg, #fef08a, #f59e0b); color: #fff; box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3); border:none;}
.rank-item:nth-child(2) .rank-idx { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #fff; box-shadow: 0 4px 10px rgba(148, 163, 184, 0.3); border:none;}
.rank-item:nth-child(3) .rank-idx { background: linear-gradient(135deg, #fed7aa, #ea580c); color: #fff; box-shadow: 0 4px 10px rgba(234, 88, 12, 0.3); border:none;}

.rank-name, .schedule-name { font-size: 16px; font-weight: 800; color: var(--text-dark); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: 0.3s; }
.rank-item:hover .rank-name, .schedule-item:hover .schedule-name { color: var(--primary); }

.rank-sub, .schedule-sub { font-size: 13px; color: var(--text-sub); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}
.rank-score { color: var(--accent); font-weight: 800; margin-right: 8px; font-family: 'Inter', sans-serif;}

.rank-footer { padding: 8px 20px 20px; position: relative; z-index: 1;}
.btn-rank-more { display: block; width: 100%; padding: 14px; background: #f8fafc; border-radius: 12px; color: var(--text-sub); font-size: 14px; font-weight: 800; text-align: center; transition: 0.3s; border: 1px solid rgba(0,0,0,0.03); letter-spacing: 1px;}
.btn-rank-more:hover { background: var(--primary-light); color: var(--primary); border-color: rgba(13,148,136,0.15); box-shadow: 0 4px 12px rgba(13, 148, 136, 0.1); }

/* 排期表专属角标 */
.sch-badge { 
    width: 44px; height: 44px; border-radius: 12px; display: flex; flex-direction: column; align-items: center; justify-content: center; flex-shrink: 0; font-weight: 900; box-shadow: 0 4px 10px rgba(0,0,0,0.08); border: none; font-family: 'Inter', "PingFang SC", sans-serif;
}
.sch-hot { background: linear-gradient(135deg, #f43f5e, #be123c); color: #fff; font-size: 13px; letter-spacing: 1px;}
.sch-soon { background: linear-gradient(135deg, #3b82f6, #1d4ed8); color: #fff; font-size: 13px; letter-spacing: 1px;}
.sch-date { background: #ffffff; color: var(--text-sub); border: 1px solid #e2e8f0; box-shadow: 0 2px 5px rgba(0,0,0,0.02);}
.sch-date span { font-size: 10px; line-height: 1; margin-bottom: 2px; text-transform: uppercase; font-weight: 800; color: #94a3b8; letter-spacing: 0.5px;}
.sch-date em { font-size: 16px; font-style: normal; line-height: 1; color: var(--text-dark); }

/* ================= 全局悬浮弹窗 ================= */
.global-rank-popover {
    position: absolute; width: 340px; background: rgba(255, 255, 255, 0.98); border: 1px solid rgba(255,255,255,1); backdrop-filter: blur(20px); border-radius: 20px; padding: 18px; box-shadow: 0 30px 60px -15px rgba(0,0,0,0.2); pointer-events: none; opacity: 0; visibility: hidden; transform: translateX(15px) translateY(5px) scale(0.98); transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); z-index: 9999;
}
.global-rank-popover.show { opacity: 1; visibility: visible; transform: translateX(0) translateY(0) scale(1); }
.global-rank-popover.left-side { transform: translateX(-15px) translateY(5px) scale(0.98); }
.global-rank-popover.left-side.show { transform: translateX(0) translateY(0) scale(1); }

.grp-cover { width: 100%; height: 180px; border-radius: 12px; object-fit: cover; margin-bottom: 16px; background: #f1f5f9; box-shadow: 0 6px 15px rgba(0,0,0,0.08); border: 1px solid rgba(0,0,0,0.03); aspect-ratio: 9 / 5; }
.grp-title { color: var(--text-dark); font-size: 22px; font-weight: 900; margin-bottom: 12px; line-height: 1.3; }
.grp-tag-bar { background: var(--primary-light); border-radius: 10px; padding: 8px 14px; display: flex; align-items: center; gap: 10px; margin-bottom: 16px; border: 1px solid rgba(13,148,136,0.1);}
.grp-tag-icon { color: var(--primary); font-size: 14px; } .grp-tag-text { color: var(--primary-hover); font-size: 14px; font-weight: 800; } 
.grp-desc { color: var(--text-sub); font-size: 13px; line-height: 1.7; text-align: justify; font-weight: 500;}

/* ================= 🌟 6. 全部藏品区块 ================= */
.coll-header { display: flex; align-items: center; margin-bottom: 25px; }
.coll-tabs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; } 
.coll-tab { padding: 10px 24px; background: rgba(255,255,255,0.7); border: 1px solid #e2e8f0; backdrop-filter: blur(10px); border-radius: 30px; font-size: 14px; font-weight: 800; color: var(--text-sub); cursor: pointer; transition: 0.3s; box-shadow: 0 2px 10px rgba(0,0,0,0.02); letter-spacing: 0.05em; }
.coll-tab:hover { border-color: var(--primary); color: var(--primary); background: #ffffff;}
.coll-tab.active { background: var(--text-dark); color: #fff; border-color: var(--text-dark); box-shadow: 0 6px 15px rgba(15, 23, 42, 0.2);}
.coll-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }

a.coll-card { 
    background: rgba(255,255,255,0.9); border-radius: 16px; overflow: visible; box-shadow: var(--shadow-soft); border: 1px solid rgba(255,255,255,1); backdrop-filter: blur(10px); transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1); display: block; position: relative; transform-origin: center center;
}
a.coll-card:hover { transform: translateY(-8px); box-shadow: 0 25px 50px -10px rgba(13, 148, 136, 0.15); border-color: rgba(13,148,136,0.1); z-index: 50; }

.coll-thumb { width: 100%; aspect-ratio: 16 / 10; position: relative; overflow: hidden; border-radius: 16px 16px 0 0; }
.coll-thumb img { width: 100%; height: 100%; object-fit: cover; }

.coll-info { padding: 18px; text-align: center; transition: all 0.4s ease; background: transparent; position: relative; z-index: 2;}
.coll-name { font-size: 16px; font-weight: 900; color: var(--text-dark); margin-bottom: 8px; letter-spacing: 0.05em; display: inline-block; }
.coll-tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--text-sub); background: rgba(0,0,0,0.04); padding: 6px 12px; border-radius: 6px; letter-spacing: 0.05em; transition: 0.3s; }
a.coll-card:hover .coll-name { color: var(--primary); }
a.coll-card:hover .coll-tag { background: var(--primary-light); color: var(--primary); }

.coll-overlay-page {
    position: absolute; width: 322px; left: 50%; top: 50%; background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,1); border-radius: 20px; box-shadow: 0 40px 80px -15px rgba(0, 0, 0, 0.2); z-index: 20; display: flex; flex-direction: column; align-items: flex-start; padding: 16px; opacity: 0; transform: translate(-50%, -50%) scale(0.85); transition: all 0.45s cubic-bezier(0.34, 1.56, 0.64, 1); pointer-events: none; 
}
a.coll-card:hover .coll-overlay-page { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }

.overlay-icon {
    width: 290px; height: 190px; border-radius: 12px; object-fit: cover; margin-bottom: 16px; box-shadow: 0 10px 25px rgba(0,0,0,0.08); border: 1px solid rgba(0,0,0,0.04); transform: scale(0.95) translateY(10px); opacity: 0; transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.05s; aspect-ratio: 29 / 19;
}
a.coll-card:hover .overlay-icon { transform: scale(1) translateY(0); opacity: 1; }

.overlay-title-row { display: flex; justify-content: space-between; align-items: center; width: 100%; margin-bottom: 10px; transform: translateY(10px); opacity: 0; transition: all 0.4s ease 0.1s; }
a.coll-card:hover .overlay-title-row { transform: translateY(0); opacity: 1; }

.overlay-name { font-size: 20px; font-weight: 900; color: var(--text-dark); letter-spacing: 0.05em; margin: 0; }
.overlay-rating { display: inline-flex; align-items: center; gap: 4px; background: #fffbeb; color: #d97706; padding: 4px 10px; border-radius: 10px; font-size: 14px; font-weight: 800; border: 1px solid #fef3c7; }
.overlay-rating i { font-size: 12px; color: #f59e0b; }

.overlay-desc {
    font-size: 13px; color: var(--text-sub); line-height: 1.6; font-weight: 600; text-align: justify; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 0; width: 100%; transform: translateY(10px); opacity: 0; transition: all 0.4s ease 0.15s;
}
a.coll-card:hover .overlay-desc { transform: translateY(0); opacity: 1; }

.hidden-item { display: none; }
.loading-spinner { text-align: center; padding: 40px; color: var(--text-sub); font-size: 15px; font-weight: 600; letter-spacing: 0.05em; display: none; }

/* ================= 页脚 ================= */
.site-footer {
    background-color: #0f172a; color: #94a3b8; padding: 60px 40px 25px; border-radius: var(--radius-main); box-shadow: 0 10px 30px rgba(0,0,0,0.1); border: 1px solid rgba(255,255,255,0.05); position: relative; overflow: hidden;
}
.site-footer::before { content: ''; position: absolute; top:0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--primary), #3b82f6); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; margin: 0 auto 40px; max-width: 900px; }
.footer-col h4 { color: #f8fafc; font-size: 16px; font-weight: 900; margin-bottom: 25px; position: relative; letter-spacing: 1px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: -10px; width: 30px; height: 3px; background: var(--primary); border-radius: 2px; }
.footer-logo { display: flex; align-items: center; gap: 12px; color: #fff; font-size: 24px; font-weight: 900; margin-bottom: 20px; }
.footer-logo i { color: var(--primary); font-size: 30px; text-shadow: 0 0 15px rgba(13, 148, 136, 0.5);}
.footer-desc { line-height: 1.8; font-size: 14px; margin-bottom: 25px; color: #94a3b8; font-weight: 500; }
.footer-links { display: flex; flex-direction: column; gap: 14px; }
.footer-links a { color: #94a3b8; font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.footer-links a::before { content: '›'; color: var(--primary); font-size: 18px; font-weight: bold; opacity: 0; transform: translateX(-5px); transition: 0.3s; }
.footer-links a:hover { color: #fff; } .footer-links a:hover::before { opacity: 1; transform: translateX(0); }
.footer-bottom { text-align: center; padding-top: 25px; border-top: 1px solid rgba(255,255,255,0.05); font-size: 13px; font-weight: 500; color: #64748b; }
.footer-bottom span { color: rgba(255,255,255,0.1); margin: 0 10px; }

/* 回到顶部悬浮按钮 */
.back-to-top {
    position: fixed; bottom: 40px; right: 40px; width: 52px; height: 52px; background: linear-gradient(135deg, var(--primary), var(--primary-hover)); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; box-shadow: 0 10px 25px rgba(13, 148, 136, 0.4); cursor: pointer; z-index: 1000; opacity: 0; visibility: hidden; transform: translateY(20px); transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-5px) scale(1.05); box-shadow: 0 15px 35px rgba(13, 148, 136, 0.6); }

/* 响应式媒体查询 */
@media (max-width: 1600px) { 
    .rank-grid-3 { grid-template-columns: repeat(2, 1fr); } 
    .rank-grid-4 { grid-template-columns: repeat(2, 1fr); } 
    .hot-recommend-nav { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1400px) { .coll-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 1100px) { 
    .rank-grid-3 { grid-template-columns: 1fr; } 
    .rank-grid-4 { grid-template-columns: 1fr; }
    .coll-grid { grid-template-columns: repeat(2, 1fr); } 
    .hot-recommend-nav { grid-template-columns: 1fr; }
}