/* ================= 核心策略圈 全局黑金样式表 style.css ================= */
:root {
    --main-bg: #000000; --card-bg: #161616; --vip-gold: #cfa972; --vip-gold-hover: #e0c297; --vip-red: #da251d;
    --text-main: #e0e0e0; --text-sub: #888888; --border-color: #333333;
    --list-gold-text: #ebd4a3; --list-red: #ff3b30; --btn-gold-start: #f8e5b4; --btn-gold-end: #d6a953;
    --badge-silver: #5e5e5e; --badge-gold: #c29a4b;
}
body { font-family: 'PingFang SC', sans-serif; background-color: var(--main-bg); margin: 0; padding: 0; color: var(--text-main); padding-bottom: 100px; -webkit-font-smoothing: antialiased; animation: fadeIn 0.4s; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
h1, h2, h3 { color: var(--vip-gold); margin-top: 0; }
hr { border: 0; border-top: 1px solid var(--border-color); margin: 20px 0; }
a { text-decoration: none; }

/* 首页导航 */
.header { text-align: center; padding: 50px 20px; background: radial-gradient(circle at center, #2c2c2c 0%, #000000 100%); border-bottom: 1px solid var(--border-color); }
.header h1 { margin: 0; font-size: 30px; letter-spacing: 2px; }
.header p { margin: 15px 0 0 0; color: var(--text-sub); font-size: 15px; letter-spacing: 1px; }
.menu-container { padding: 30px 20px; max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.menu-item { background-color: var(--card-bg); padding: 22px 30px; border-radius: 4px; font-size: 18px; font-weight: bold; display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--border-color); transition: all 0.3s ease; color: var(--text-main); letter-spacing: 1px; }
.menu-item:hover { border-color: var(--vip-gold); background-color: #1a1a1a; color: #ffffff; }
.menu-item::after { content: "〉"; color: var(--vip-gold); font-size: 16px; font-weight: normal; }
.home-footer-note { text-align: center; color: #2a2a2a; font-size: 12px; margin-top: 20px; }

/* 子页面通用 */
.nav-bar { background-color: var(--card-bg); color: var(--vip-gold); padding: 18px 20px; display: flex; align-items: center; position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--border-color); }
.back-btn { color: var(--text-main); font-size: 16px; cursor: pointer; display: flex; align-items: center; margin-right: 18px; transition: color 0.3s; }
.back-btn:hover { color: var(--vip-gold); }
.back-btn::before { content: "〈 "; margin-right: 5px; font-weight: bold; }
.nav-title { font-size: 19px; font-weight: bold; letter-spacing: 1px; }
.content-section { max-width: 800px; margin: 25px auto; padding: 30px; background-color: var(--card-bg); border-radius: 4px; line-height: 1.9; border: 1px solid var(--border-color); }
.content-section p, .content-section li { color: var(--text-main); margin-bottom: 1em; }
.responsive-img { width: auto; max-width: 100%; height: auto; border-radius: 2px; box-shadow: 0 5px 20px rgba(0,0,0,0.5); display: block; margin: 25px auto; border: 1px solid var(--border-color); }
.disclaimer-text { text-align: center; color: var(--text-sub); font-size: 12px; margin-top: 40px; padding-bottom: 30px; }

/* 导师名单专属排版 */
.full-width-section { max-width: 100% !important; margin: 0 !important; padding: 0 !important; background: transparent; border: none; }
.mentor-list-wrapper { width: 100%; max-width: 600px; margin: 0 auto; background-color: var(--main-bg); }
.section-header { padding: 20px 15px 10px 15px; display: flex; align-items: center; border-bottom: 1px solid #1a1a1a; background: linear-gradient(180deg, #141414 0%, #080808 100%); }
.section-icon { font-size: 1.2rem; margin-right: 8px; }
.section-title { color: var(--list-gold-text); font-size: 1.1rem; font-weight: 600; letter-spacing: 1px; }
.course-item { display: flex; justify-content: space-between; padding: 18px 15px; border-bottom: 1px solid #1a1a1a; box-sizing: border-box; }
.item-left { flex: 1; padding-right: 10px; }
.title-row { display: flex; align-items: center; margin-bottom: 10px; flex-wrap: wrap; gap: 6px; }
.no-badge { font-size: 0.75rem; font-weight: 800; color: #fff; padding: 2px 6px; border-radius: 3px; }
.no-cyan { background-color: var(--badge-silver); }
.no-gold { background-color: var(--badge-gold); }
.author-name { font-size: 1.15rem; font-weight: bold; color: var(--list-gold-text); }
.author-tag { font-size: 0.7rem; color: var(--text-sub); border: 1px solid #333; padding: 1px 5px; border-radius: 2px; background-color: rgba(255,255,255,0.03); }
.features { list-style: none; padding: 0; margin: 0; }
.features li { font-size: 0.75rem; color: var(--text-sub); line-height: 1.6; position: relative; padding-left: 10px; }
.features li::before { content: "•"; position: absolute; left: 0; color: #555; }
.item-right { display: flex; align-items: stretch; gap: 12px; }
.stamp-container { display: flex; align-items: center; }
.stamp { writing-mode: vertical-lr; font-size: 0.65rem; color: var(--list-red); border: 1px solid var(--list-red); padding: 6px 2px; border-radius: 2px; letter-spacing: 2px; opacity: 0.8; }
    .price-action-box { display: flex; flex-direction: column; justify-content: center; align-items: flex-end; min-width: 70px; }
.old-price { font-size: 0.7rem; color: #555; text-decoration: line-through; margin-bottom: 2px; }
.current-price-box { display: flex; align-items: baseline; color: var(--list-red); margin-bottom: 8px; }
.price-num { font-size: 1.3rem; font-weight: bold; }
.price-unit { font-size: 0.7rem; }
.btn-subscribe { background: linear-gradient(135deg, var(--btn-gold-start), var(--btn-gold-end)); color: #000; font-size: 0.8rem; font-weight: 600; border: none; border-radius: 15px; padding: 5px 16px; cursor: pointer; width: 100%; }

/* 方案卡片 */
.price-card { border: 1px solid var(--border-color); background-color: rgba(255,255,255,0.02); border-radius: 4px; padding: 25px; margin-bottom: 25px; text-align: center; transition: border-color 0.3s; }
.price-card:hover { border-color: #444; }
.price-card.hot { border: 1px solid var(--vip-gold); background-color: rgba(207,169,114,0.05); position: relative; }
.price-card.hot::before { content: "RECOMMEND"; position: absolute; top: -11px; left: 50%; transform: translateX(-50%); background-color: var(--vip-gold); color: #000; padding: 2px 12px; border-radius: 10px; font-size: 11px; font-weight: bold; letter-spacing: 1px; }
.price-title { font-size: 22px; font-weight: bold; margin-bottom: 12px; color: #ffffff; }
.price-num { color: var(--vip-gold); font-size: 32px; font-weight: bold; margin-bottom: 18px; font-family: 'Arial', sans-serif; }
.price-desc { color: var(--text-sub); font-size: 14px; }

/* 悬浮联系按钮及弹窗 */
.footer { position: fixed; z-index: 100; display: flex; }
.contact-btn { border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; transition: all 0.3s ease; box-shadow: 0 4px 10px rgba(0,0,0,0.5); color: #ffffff; cursor: pointer; }
.contact-btn span { font-size: 20px; margin-bottom: 2px; }
.contact-btn small { font-size: 11px; font-weight: bold; letter-spacing: 0.5px; }
.btn-qq { background-color: #0084ff; }
.btn-wx { background-color: #1a1a1a; border: 1px solid var(--vip-gold); color: var(--vip-gold); }
.btn-wx small { color: var(--vip-gold); }
.btn-tg { background-color: #2AABEE; }
.btn-tg-group { background-color: #333333; border: 1px solid #555; }
.btn-phone { background-color: var(--vip-gold); color: #000000; }
.btn-phone small { color: #000000; }
@media (max-width: 768px) {
    .footer { bottom: 0; left: 0; width: 100%; background-color: rgba(10, 10, 10, 0.95); border-top: 1px solid var(--border-color); padding: 12px 10px 20px 10px; justify-content: space-around; box-sizing: border-box; }
    .contact-btn { width: 54px; height: 54px; }
}
@media (min-width: 769px) {
    .footer { bottom: 40px; right: 30px; left: auto; flex-direction: column; gap: 15px; background: transparent; }
    .contact-btn { width: 60px; height: 60px; }
    .contact-btn span { font-size: 24px; }
    .contact-btn small { font-size: 12px; }
    .contact-btn:hover { transform: scale(1.1); }
}
.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); z-index: 999; justify-content: center; align-items: center; flex-direction: column; animation: fadeIn 0.3s; }
.modal-overlay img { max-width: 260px; width: 75%; border-radius: 8px; margin-bottom: 20px; border: 2px solid var(--vip-gold); background-color: #ffffff; padding: 15px; box-sizing: border-box; }
.modal-title { color: var(--vip-gold); font-size: 18px; font-weight: bold; margin-bottom: 15px; letter-spacing: 1px; }
.close-btn { padding: 10px 40px; background: transparent; color: var(--text-main); border: 1px solid var(--text-main); border-radius: 25px; font-size: 15px; cursor: pointer; transition: all 0.3s; letter-spacing: 1px; }
.close-btn:hover { background: var(--text-main); color: #000; border-color: var(--text-main); }