/* ============================================================
   CSS 变量
   ============================================================ */
:root {
    --gold: #f5d742;
    --gold-dark: #d4a847;
    --gold-deep: #b8860b;
    --gold-glow: rgba(245, 215, 66, 0.25);
    --gold-rgb: 245, 215, 66;

    --border-color: #3d2e1c;
    --border-light: #4d3a24;
    --border-dark: #2a1f14;

    --bg-card: rgba(30, 24, 18, 0.8);
    --bg-item: rgba(20, 16, 12, 0.7);
    --bg-hover: rgba(30, 24, 18, 0.6);

    --text-primary: #e8d5b5;
    --text-secondary: #d4c5a9;
    --text-muted: #a89070;
    --text-dim: #c9b084;

    --shadow-card: 0 6px 30px rgba(0, 0, 0, 0.7);
    --radius-card: 16px;
    --radius-sm: 10px;
    --radius-tag: 30px;
    --transition: 0.3s ease;
}

/* ============================================================
   全局重置 + 平滑滚动
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text-primary);
    background: #0b0a0a;
    background-image: radial-gradient(ellipse at 20% 50%, #1f170f 0%, #0b0a0a 70%);
    padding: 30px 20px;
    min-height: 100vh;
}

/* ============================================================
   容器
   ============================================================ */
.container { max-width: 1100px; margin: 0 auto; }

/* ============================================================
   头部
   ============================================================ */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    padding: 16px 0 14px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--gold-deep);
}

.header-left { flex: 1; min-width: 200px; }
.header-left h1 {
    font-size: 44px;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: 4px;
    margin: 0;
}

/* 鎏金特效 */
.gold-text {
    background: linear-gradient(135deg,
        var(--gold) 0%, #f7e05e 15%, var(--gold-dark) 30%,
        var(--gold) 50%, #f7e05e 65%, var(--gold-dark) 80%, var(--gold) 100%
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: goldShine 4s ease-in-out infinite;
    filter: drop-shadow(0 2px 20px var(--gold-glow));
}
@keyframes goldShine {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.header-left .sub {
    font-size: 16px;
    color: var(--text-muted);
    letter-spacing: 6px;
    margin-top: 2px;
}
.header-left .sub span { color: var(--gold-dark); }

.header-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

/* 下载按钮 */
.btn-download {
    display: inline-block;
    background: linear-gradient(145deg, var(--gold), var(--gold-dark));
    color: #0b0a0a;
    font-weight: 800;
    font-size: 17px;
    padding: 8px 28px;
    border-radius: var(--radius-tag);
    text-decoration: none;
    letter-spacing: 1px;
    line-height: 1.4;
    white-space: nowrap;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(var(--gold-rgb), 0.3);
    transition: all var(--transition);
}
.btn-download:hover {
    transform: scale(1.05);
    background: linear-gradient(145deg, #ffe066, #e8c84a);
    box-shadow: 0 6px 32px rgba(var(--gold-rgb), 0.5);
}
.btn-download:active { transform: scale(0.95); }

/* 提示文字（呼吸动画） */
.download-tip {
    font-size: 13px;
    font-weight: 700;
    color: var(--gold);
    padding: 3px 14px;
    border-radius: 20px;
    border: 1px solid rgba(var(--gold-rgb), 0.15);
    background: rgba(var(--gold-rgb), 0.10);
    text-align: center;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    animation: tipPulse 2.5s ease-in-out infinite;
}
.download-tip:hover { background: rgba(var(--gold-rgb), 0.18); }
@keyframes tipPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* ============================================================
   通用卡片
   ============================================================ */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(2px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    padding: 24px 22px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
    transition: border-color 0.2s;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
    color: var(--gold);
    padding-bottom: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.card-title .badge {
    font-size: 13px;
    font-weight: 700;
    color: #0b0a0a;
    background: var(--gold-deep);
    padding: 0 16px;
    border-radius: 20px;
    margin-left: auto;
}

.card-sub-desc {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 14px;
}
.card-sub-desc br { display: block; margin-bottom: 4px; }

/* 升级路线徽章（替换"一站式"的跳转链接） */
.badge-link {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--gold);
    padding: 0 16px;
    line-height: 28px;
    white-space: nowrap;
    border-radius: 20px;
    border: 1px solid rgba(var(--gold-rgb), 0.25);
    background: rgba(var(--gold-rgb), 0.15);
    text-decoration: none;
    cursor: pointer;
    margin-left: auto;
    transition: all var(--transition);
}
.badge-link:hover {
    border-color: var(--gold);
    background: rgba(var(--gold-rgb), 0.28);
}

/* 金色高亮文字 */
.gold-highlight { color: var(--gold); }

/* ============================================================
   升级路线（时间轴）
   ============================================================ */
.timeline { display: flex; flex-direction: column; gap: 2px; }
.timeline-item {
    display: flex;
    align-items: stretch;
    gap: 20px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-dark);
}
.timeline-item:last-child { border-bottom: none; }

.timeline-level {
    flex: 0 0 100px;
    font-size: 17px;
    font-weight: 700;
    color: var(--gold);
    background: rgba(184, 134, 11, 0.12);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.timeline-desc {
    flex: 1;
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 14px;
}
.timeline-desc .highlight { color: var(--gold); font-weight: 600; }
.timeline-desc .tag {
    font-size: 12px;
    color: var(--text-dim);
    background: var(--border-color);
    padding: 2px 14px;
    border-radius: 20px;
    white-space: nowrap;
}

/* ============================================================
   表格
   ============================================================ */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    font-size: 15px;
    border-collapse: collapse;
}
table th {
    font-weight: 600;
    color: var(--gold);
    background: var(--border-color);
    padding: 12px 10px;
    text-align: left;
    border: 1px solid var(--border-light);
}
table td {
    color: var(--text-secondary);
    padding: 12px 10px;
    border: 1px solid #2f2216;
}
table tr:nth-child(even) td { background: rgba(255, 255, 255, 0.02); }

/* ============================================================
   副本网格（3列）
   ============================================================ */
.grid-2col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.grid-2col .item {
    background: var(--bg-item);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px 8px;
    text-align: center;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
}
.grid-2col .item:hover {
    border-color: var(--gold-deep);
    background: rgba(30, 24, 18, 0.85);
}
.grid-2col .item .icon { display: block; font-size: 28px; margin-bottom: 4px; }
.grid-2col .item .label { color: var(--text-dim); }
.grid-2col .item .drop { color: var(--gold); font-size: 13px; font-weight: 500; }

/* ============================================================
   充值档位（4列）
   ============================================================ */
.recharge-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 8px;
}
.recharge-tag {
    font-size: 14px;
    color: var(--text-primary);
    background: #1f170f;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-tag);
    padding: 6px 8px;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--transition);
}
.recharge-tag:hover {
    border-color: var(--gold-deep);
    background: rgba(var(--gold-rgb), 0.06);
}
.recharge-tag .price { color: var(--gold); font-weight: 700; }

/* ============================================================
   宣传奖励
   ============================================================ */
.reward-days { display: flex; flex-direction: column; gap: 8px; }
.reward-day {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--gold-deep);
    background: rgba(20, 16, 12, 0.5);
    cursor: pointer;
    transition: all var(--transition);
}
.reward-day:hover {
    background: var(--bg-hover);
    transform: translateX(4px);
}
.reward-day.highlight-day {
    border-left-color: var(--gold);
    background: rgba(var(--gold-rgb), 0.06);
}
.reward-day .day {
    flex: 0 0 80px;
    font-size: 16px;
    font-weight: 700;
    color: var(--gold);
}
.reward-day .desc {
    flex: 1;
    font-size: 15px;
    color: var(--text-secondary);
}
.reward-day .desc strong { color: var(--gold); }

/* ============================================================
   功能网格（4列）
   ============================================================ */
.func-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.func-grid .func-item {
    background: var(--bg-item);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px 4px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}
.func-grid .func-item:hover {
    border-color: var(--gold-deep);
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}
.func-grid .func-item .f-icon { display: block; font-size: 28px; }
.func-grid .func-item .f-name {
    font-size: 14px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ============================================================
   搜打撤玩法（2×2）
   ============================================================ */
.treasure-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.treasure-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(20, 16, 12, 0.6);
    cursor: default;
    transition: all 0.25s ease;
}
.treasure-item:hover {
    border-color: var(--gold-deep);
    background: rgba(30, 24, 18, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}
.treasure-icon { font-size: 28px; line-height: 1; flex-shrink: 0; }
.treasure-name { flex: 1; font-size: 15px; color: var(--text-secondary); }
.treasure-count {
    font-size: 16px;
    font-weight: 700;
    color: var(--gold);
    padding: 2px 12px;
    border-radius: 20px;
    border: 1px solid rgba(var(--gold-rgb), 0.15);
    background: rgba(var(--gold-rgb), 0.1);
    white-space: nowrap;
}

.treasure-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-top: 14px;
    padding-top: 14px;
    font-size: 14px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-dark);
}

/* ============================================================
   累充奖励 · 里程碑
   ============================================================ */
.milestone-wrapper { display: flex; flex-direction: column; gap: 6px; padding: 4px 0; }
.milestone-item {
    padding: 14px 18px;
    border-radius: 12px;
    border-left: 4px solid var(--border-light);
    background: rgba(20, 16, 12, 0.4);
    cursor: default;
    transition: all var(--transition);
}
.milestone-item.highlight {
    border-left-color: var(--gold);
    background: rgba(var(--gold-rgb), 0.08);
    box-shadow: 0 0 30px rgba(var(--gold-rgb), 0.05);
}
.milestone-item:hover {
    background: var(--bg-hover);
    transform: translateX(4px);
}
.milestone-item.highlight:hover { background: rgba(var(--gold-rgb), 0.12); }

.milestone-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 8px;
}
.milestone-icon { font-size: 24px; line-height: 1; }
.milestone-amount {
    font-size: 26px;
    font-weight: 800;
    color: var(--gold);
    letter-spacing: 1px;
}
.milestone-amount small {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 2px;
}
.milestone-status {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    background: var(--border-color);
    padding: 2px 14px;
    border-radius: 20px;
    margin-left: auto;
    white-space: nowrap;
}
.milestone-item.highlight .milestone-status {
    color: var(--gold);
    border: 1px solid rgba(var(--gold-rgb), 0.3);
    background: rgba(var(--gold-rgb), 0.2);
}

.milestone-rewards {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 10px;
    padding-left: 4px;
}
.reward-tag {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 2px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.04);
    transition: all 0.2s;
}
.reward-tag:hover {
    border-color: var(--gold-deep);
    color: var(--gold);
}

/* ============================================================
   经验技巧 · 序号列表
   ============================================================ */
.tip-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0;
    margin: 0;
}
.tip-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--border-color);
    background: rgba(20, 16, 12, 0.4);
    transition: all var(--transition);
}
.tip-item:hover {
    border-left-color: var(--gold-deep);
    background: var(--bg-hover);
    transform: translateX(4px);
}
.tip-number {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    font-size: 14px;
    font-weight: 800;
    color: #0b0a0a;
    background: linear-gradient(145deg, var(--gold-deep), #8b6508);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(184, 134, 11, 0.25);
}
.tip-text {
    flex: 1;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================================
   扫码区域
   ============================================================ */
.qr-card { border-color: var(--gold-deep); }
.qr-card .qr-title {
    justify-content: center;
    border-bottom: none;
    padding-bottom: 0;
}
.qr-tip-wrapper { text-align: center; margin: 10px 0 6px; }
.qr-tip-wrapper .download-tip {
    display: inline-block;
    text-decoration: none;
    cursor: pointer;
}

.qr-area {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 12px 0 6px;
}
.qr-area .qr-box { text-align: center; }
.qr-area .qr-box .qr-label {
    font-size: 14px;
    color: var(--text-muted);
}

.qr-image {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    border: 2px solid var(--border-light);
    background: #1f170f;
    object-fit: contain;
    cursor: pointer;
    transition: transform 0.2s;
}
.qr-image:hover {
    border-color: var(--gold-deep);
    transform: scale(1.05);
}

/* ============================================================
   通用按钮 & 底部
   ============================================================ */
.btn-gold {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: #0b0a0a;
    padding: 8px 24px;
    border-radius: var(--radius-tag);
    border: none;
    background: linear-gradient(145deg, var(--gold-deep), #8b6508);
    box-shadow: 0 2px 16px rgba(184, 134, 11, 0.3);
    cursor: default;
}

.footer {
    font-size: 14px;
    color: var(--border-light);
    text-align: center;
    padding-top: 20px;
    margin-top: 12px;
    border-top: 1px solid var(--border-dark);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 768px) {
    .container { max-width: 100%; padding: 0 4px; }
    .header-left h1 { font-size: 32px; }
    .grid-2col { grid-template-columns: 1fr 1fr; }
    .func-grid { grid-template-columns: 1fr 1fr 1fr; }
    .timeline-level { flex: 0 0 66px; font-size: 14px; }
    .reward-day { flex-wrap: wrap; gap: 4px; }
    .reward-day .day { flex: 0 0 100%; }
}

@media (max-width: 600px) {
    .header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        gap: 8px;
        padding: 16px 0 12px;
    }
    .header-left { text-align: center; }
    .header-left h1 { font-size: 32px; letter-spacing: 2px; }
    .header-left .sub { font-size: 14px; letter-spacing: 3px; }
    .header-right { align-items: center; justify-content: center; }
    .btn-download {
        width: 100%;
        font-size: 16px;
        padding: 10px 40px;
        text-align: center;
    }
    .download-tip {
        font-size: 12px;
        white-space: normal;
        padding: 3px 12px;
    }
    .recharge-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .grid-2col { grid-template-columns: 1fr 1fr; }
    .func-grid { grid-template-columns: 1fr 1fr; }
    .recharge-row { grid-template-columns: repeat(2, 1fr); }
    .qr-area { gap: 20px; }
    .qr-image { width: 72px; height: 72px; }
}