@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root { --gold: #C59A1A; --bg-main: #0A0B0C; --bg-card: #15171A; --line: #272A2D; --text-main: #FFFFFF; --text-secondary: #989BA3; --shadow: 0 4px 20px rgba(0,0,0,0.6); }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--bg-main); color: var(--text-main); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: 0.3s ease; }
.container { width: 90%; max-width: 1300px; margin: 0 auto; padding: 60px 0; }

.navbar { background: #000000; border-bottom: 2px solid var(--gold); padding: 16px 0; position: sticky; top: 0; z-index: 100; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; padding: 0; }
.navbar .brand { font-size: 20px; font-weight: 700; color: #fff; letter-spacing: 0.05em; }
.navbar .brand span { color: var(--gold); }
.navbar .menu { display: flex; gap: 30px; align-items: center; }

/* ⚠️ 物理绝对锁死对齐：摧毁任何引起偏移的内联和外联因素 */
.navbar .menu a, .navbar .menu .dropdown {
    display: flex; align-items: center; justify-content: center;
    min-height: 50px; height: 50px !important; padding: 0 5px;
}
.navbar .menu a { color: #989BA3; font-size: 14px; font-weight: 500; transition: 0.25s ease; letter-spacing: 0.02em; }
.navbar .menu a:hover, .navbar .menu a.active { color: var(--gold); }

.dropdown { position: relative; display: inline-block; }
.dropdown-content { display: none; position: absolute; background-color: #000; min-width: 160px; box-shadow: 0 8px 16px rgba(0,0,0,0.6); z-index: 1000; border: 1px solid var(--line); border-top: 2px solid var(--gold); top: 100%; left: 0; border-radius: 4px; overflow: hidden; }
.dropdown-content a { color: #fff; padding: 12px 16px; text-decoration: none; display: block; width: 100%; font-size: 14px; text-align: left; border-bottom: 1px solid var(--line); cursor: pointer !important; pointer-events: auto !important; position: relative; z-index: 1001; }
.dropdown-content a:last-child { border-bottom: none; }
.dropdown-content a:hover { background-color: #15171A; color: var(--gold); }
.dropdown:hover .dropdown-content { display: block; }

.page-header { background: #000; border-bottom: 4px solid var(--gold); border-top: 1px solid var(--line); padding: 50px 0; margin-bottom: 40px; text-align: center; }
.page-header h1 { font-size: 36px; font-weight: 500; color: #fff; letter-spacing: 0.1em; }
.page-header p { color: var(--text-secondary); font-size: 16px; margin-top: 10px; font-weight: 300; letter-spacing: 0.05em; }
.main-content { padding: 60px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.large-image { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; border-radius: 12px; box-shadow: var(--shadow); }
.pic-card { background: var(--bg-card); padding: 20px; border-radius: 12px; box-shadow: var(--shadow); transition: 0.3s; border: 1px solid transparent; }
.pic-card:hover { border-color: var(--gold); transform: translateY(-4px); }
.pic-card .card-img { width: 100%; height: 200px; object-fit: cover; border-radius: 8px; margin-bottom: 15px; }
.pic-card h4 { font-size: 18px; color: #fff; font-weight: 600; margin-bottom: 6px; letter-spacing: 0.02em; }
.pic-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
.btn { display: inline-block; background: var(--gold); color: #000 !important; padding: 12px 28px; border-radius: 4px; font-weight: 600; border: 1px solid var(--gold); letter-spacing: 0.05em; }
.btn:hover { background: #fff; color: #000 !important; border-color: #fff; transform: translateY(-2px); }
.btn-outline { background: transparent !important; color: var(--gold) !important; border: 1px solid var(--line); }
.btn-outline:hover { background: var(--gold) !important; color: #000 !important; border-color: var(--gold); }
.brand-section { background: #080808; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 30px 0; }
.brand-logos { display: flex; justify-content: center; gap: 50px; flex-wrap: wrap; }
.brand-logos span { color: #D1D3D6; font-size: 16px; font-weight: 500; letter-spacing: 0.05em; }
.brand-logos span:hover { color: var(--gold); }
.footer { background: #000000; border-top: 4px solid var(--gold); padding: 50px 0; margin-top: 40px; }
.footer .container { display: flex; justify-content: space-between; align-items: center; padding: 0; flex-wrap: wrap; }
.footer p, .footer a { color: #FFFFFF; font-size: 15px; line-height: 1.8; letter-spacing: 0.02em; }
.footer a:hover { color: var(--gold); }

/* 手机端自适应（已做严谨区分） */
@media (max-width: 992px) {
    .container { padding: 40px 0; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 30px; }
    .large-image, .pic-card .card-img { height: auto; max-height: 300px; }
}
@media (max-width: 768px) {
    .navbar .container { flex-direction: column; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 15px 0; }
    .navbar .menu { flex-wrap: wrap; justify-content: center; gap: 10px 15px; width: 100%; }
    .navbar .menu a, .navbar .menu .dropdown { height: auto !important; min-height: 40px; padding: 8px 0; font-size: 14px; line-height: 1.5; } /* 手机端取消固定物理高度 */
    .dropdown-content { top: 30px; left: 50%; transform: translateX(-50%); min-width: 140px; }
    .dropdown-content a { padding: 10px 16px; font-size: 14px; }
    .page-header h1 { font-size: 28px; letter-spacing: 0.05em; }
    .page-header p { font-size: 14px; letter-spacing: 0.03em; }
    .main-content h2 { font-size: 24px; }
    .hero h1 { font-size: 32px !important; line-height: 1.3 !important; letter-spacing: 0.02em !important; }
    .hero p { font-size: 16px !important; }
    .hero { padding: 80px 0 !important; }
    .btn, .btn-outline { padding: 8px 20px; font-size: 13px; }
    .btn-group { display: flex; flex-direction: column; gap: 10px; align-items: center; }
    .btn-group .btn { margin: 0 !important; width: 80%; }
    .footer .container { flex-direction: column; gap: 20px; text-align: center; }
}