/* ========================================================================
   子页面样式 - 天羽华夏 · 纯水墨版
   配色：浓墨 / 淡墨 / 墨灰 / 留白 / 宣纸灰
   ======================================================================== */

/* 复用主变量；此处仅补子页面专用类 */

.page-hero {
    min-height: 100vh;
    padding: 8rem 2rem 4rem;
    position: relative;
    z-index: 1;
    /* 全站统一背景图：复用 body 的 hero.png，仅透明透出，避免多图色差 */
    background: transparent;
    background-color: transparent;
}

/* 极淡蒙版：保证表单/文字清晰可读，又不压暗背景图 */
.page-hero::before {
    content: '';
    position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background: transparent;
}

.page-subtitle {
    text-align: center;
    color: var(--paper-dim);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    margin-top: -2rem;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.1em;
}

/* ============== 视频网格 ============== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.video-card {
    background: rgba(14,12,8,0.55);
    border: 1px solid var(--border);
    border-radius: 2px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s;
    backdrop-filter: blur(8px);
    position: relative;
}

.video-card::before,
.video-card::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 1px solid var(--paper-dim);
    pointer-events: none;
    transition: all 0.3s;
}

.video-card::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.video-card::after { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }

.video-card:hover {
    transform: translateY(-5px);
    border-color: var(--paper);
    box-shadow: var(--shadow-ink);
}

.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--gradient-ink);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-thumb::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background:
        radial-gradient(ellipse at top, rgba(110,102,90,0.12) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(14,12,8,0.6) 0%, transparent 60%);
}

.video-placeholder {
    font-size: 2rem;
    color: var(--paper);
    text-shadow: 0 0 30px rgba(0,0,0,0.5);
    font-weight: 700;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.2em;
    z-index: 1;
}

.play-btn {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 60px; height: 60px;
    background: rgba(232,226,213,0.06);
    border: 1px solid var(--paper-dim);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    color: var(--paper);
    transition: all 0.3s;
    backdrop-filter: blur(8px);
    z-index: 2;
}

.video-card:hover .play-btn {
    transform: translate(-50%, -50%) scale(1.15);
    background: var(--ink-light);
    color: var(--paper);
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
}

.video-duration {
    position: absolute;
    bottom: 0.5rem; right: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: rgba(14,12,8,0.8);
    border-radius: 2px;
    font-size: 0.75rem;
    color: var(--paper-dim);
    border: 1px solid var(--border);
    z-index: 2;
    font-family: 'Noto Serif SC', serif;
}

.video-card h3 {
    padding: 1rem 1.5rem 0.5rem;
    font-size: 1.2rem;
    color: var(--paper);
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.1em;
}

.video-card p {
    padding: 0 1.5rem 1.5rem;
    color: var(--paper-dim);
    font-size: 0.9rem;
    font-family: 'Noto Serif SC', serif;
}

/* ============== 新手时间线 ============== */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%; top: 0; bottom: 0; width: 1px;
    background: linear-gradient(180deg, transparent, var(--ink-pale), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 45%;
    padding: 2rem;
    background: rgba(14,12,8,0.55);
    border: 1px solid var(--border);
    border-radius: 2px;
    backdrop-filter: blur(8px);
    margin-bottom: 2rem;
    transition: all 0.3s;
}

.timeline-item::before,
.timeline-item::after {
    content: '';
    position: absolute;
    width: 14px; height: 14px;
    border: 1px solid var(--paper-dim);
    transition: all 0.3s;
}

.timeline-item::before { top: 14px; left: 14px; border-right: 0; border-bottom: 0; }
.timeline-item::after { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }

.timeline-item:hover {
    transform: scale(1.02);
    border-color: var(--paper);
    box-shadow: var(--shadow-ink);
}

.timeline-item:nth-child(odd) { margin-left: 0; }
.timeline-item:nth-child(even) { margin-left: 55%; }

.timeline-dot {
    position: absolute;
    top: 2.5rem;
    width: 16px; height: 16px;
    background: var(--paper-dim);
    border: 2px solid var(--ink-dark);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    animation: pulse 2s infinite;
}

.timeline-item:nth-child(odd) .timeline-dot { right: -12.5%; left: auto; }
.timeline-item:nth-child(even) .timeline-dot { left: -12.5%; }

.timeline-step {
    display: inline-block;
    padding: 0.25rem 1rem;
    background: rgba(232,226,213,0.06);
    border: 1px solid var(--paper-dim);
    color: var(--paper-dim);
    border-radius: 2px;
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.2em;
}

.timeline-item h3 {
    margin-bottom: 0.5rem;
    color: var(--paper);
    font-size: 1.3rem;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.15em;
}

.timeline-item p {
    color: var(--paper-dim);
    line-height: 1.8;
    font-family: 'Noto Serif SC', serif;
}

/* ============== 充值档位 ============== */
.recharge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.recharge-card {
    position: relative;
    padding: 2rem 1.5rem;
    background: rgba(14,12,8,0.55);
    border: 1px solid var(--border);
    border-radius: 2px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(8px);
}

.recharge-card::before,
.recharge-card::after {
    content: '';
    position: absolute;
    width: 14px; height: 14px;
    border: 1px solid var(--paper-dim);
    transition: all 0.3s;
}

.recharge-card::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.recharge-card::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.recharge-card:hover {
    transform: translateY(-5px);
    border-color: var(--paper);
    box-shadow: var(--shadow-ink);
}

.recharge-card.featured {
    border-color: var(--vermilion);
    background: linear-gradient(135deg, rgba(178,58,46,0.14), rgba(74,68,58,0.06));
    transform: scale(1.05);
}

.recharge-card.featured::before,
.recharge-card.featured::after { border-color: var(--vermilion); }

.recharge-badge {
    position: absolute;
    top: -10px; left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 1rem;
    background: var(--vermilion);
    color: #fff;
    border-radius: 2px;
    font-size: 0.7rem;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 0.1em;
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
}

.recharge-amount {
    font-family: 'Noto Serif SC', serif;
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-ink);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 1rem 0;
}

.recharge-currency {
    font-size: 0.875rem;
    color: var(--paper-mute);
    margin-bottom: 1rem;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 0.1em;
}

.recharge-bonus {
    color: var(--paper-dim);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 0.05em;
}

.recharge-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--gradient-seal);
    color: #fff;
    border: 1px solid var(--vermilion);
    border-radius: 2px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.15em;
}

.recharge-btn:hover {
    background: var(--ink-light);
    color: var(--paper);
    box-shadow: var(--shadow-ink);
}

/* ============== 进入游戏 ============== */
.game-launch {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    /* 全站统一背景图：复用 body 的 hero.png，避免多图色差 */
    background: transparent;
    background-color: transparent;
}

.game-launch::before {
    content: '';
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    background: transparent;
}

.game-launch-content { z-index: 10; position: relative; }

.game-launch-title {
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    background: var(--gradient-ink);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 30px rgba(0,0,0,0.5));
    letter-spacing: 0.3em;
}

.game-launch-subtitle {
    font-size: 1.25rem;
    color: var(--paper-dim);
    margin-bottom: 3rem;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 0.15em;
}

.game-launch-btn {
    display: inline-block;
    padding: 1.5rem 4rem;
    background: var(--gradient-seal);
    color: #fff;
    border: 1px solid var(--vermilion);
    border-radius: 2px;
    font-size: 1.5rem;
    font-weight: 900;
    cursor: pointer;
    letter-spacing: 0.3em;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    transition: all 0.3s;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    position: relative;
}

.game-launch-btn::before,
.game-launch-btn::after {
    content: '';
    position: absolute;
    width: 20px; height: 20px;
    border: 2px solid var(--paper-dim);
}

.game-launch-btn::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.game-launch-btn::after { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }

.game-launch-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.game-status {
    display: flex;
    gap: 2rem;
    margin-top: 4rem;
    justify-content: center;
    flex-wrap: wrap;
}

.status-card {
    padding: 1rem 2rem;
    background: rgba(14,12,8,0.55);
    border: 1px solid var(--border);
    border-radius: 2px;
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Noto Serif SC', serif;
}

.status-dot {
    width: 10px; height: 10px;
    background: var(--ink-light);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    animation: pulse 2s infinite;
}

.status-label { color: var(--paper-dim); font-size: 0.9rem; letter-spacing: 0.1em; }

/* ============== 下载 ============== */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.download-card {
    padding: 2.5rem 2rem;
    background: rgba(14,12,8,0.55);
    border: 1px solid var(--border);
    border-radius: 2px;
    text-align: center;
    backdrop-filter: blur(8px);
    transition: all 0.3s;
    position: relative;
}

.download-card::before,
.download-card::after {
    content: '';
    position: absolute;
    width: 16px; height: 16px;
    border: 1px solid var(--paper-dim);
    transition: all 0.3s;
}

.download-card::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.download-card::after { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }

.download-card:hover {
    transform: translateY(-5px);
    border-color: var(--paper);
    box-shadow: var(--shadow-ink);
}

.download-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: grayscale(1) drop-shadow(0 0 12px rgba(0,0,0,0.4));
}

.download-card h3 {
    margin-bottom: 0.5rem;
    color: var(--paper);
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.15em;
}

.download-size {
    color: var(--paper-mute);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    font-family: 'Noto Serif SC', serif;
}

.download-btn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    text-align: center;
    text-decoration: none;
    background: var(--gradient-seal);
    color: #fff;
    border: 1px solid var(--vermilion);
    border-radius: 2px;
    font-weight: 700;
    cursor: pointer;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.15em;
}

.download-btn:hover { box-shadow: var(--shadow-ink); }

/* ============== 注册表单 ============== */
.register-form {
    max-width: 480px;
    margin: 0 auto;
    padding: 3rem;
    background: rgba(14,12,8,0.55);
    border: 1px solid var(--border);
    border-radius: 2px;
    backdrop-filter: blur(8px);
    position: relative;
}

.register-form::before,
.register-form::after {
    content: '';
    position: absolute;
    width: 20px; height: 20px;
    border: 1px solid var(--paper-dim);
}

.register-form::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.register-form::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.form-group { margin-bottom: 1.5rem; }

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--paper-dim);
    font-size: 0.9rem;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.1em;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(232,226,213,0.05);
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--paper);
    font-size: 1rem;
    font-family: 'Noto Serif SC', serif;
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--paper-dim);
    box-shadow: 0 0 0 3px rgba(110,102,90,0.1);
    background: rgba(232,226,213,0.08);
}

.form-submit {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-seal);
    color: #fff;
    border: 1px solid var(--vermilion);
    border-radius: 2px;
    font-size: 1.1rem;
    font-weight: 900;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.3em;
}

.form-submit:hover { box-shadow: var(--shadow-ink); transform: translateY(-2px); }

.form-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--paper-mute);
    font-size: 0.9rem;
    font-family: 'Noto Serif SC', serif;
}

.form-footer a { color: var(--paper-dim); }

.tabs { display: flex; gap: 1rem; margin-bottom: 2rem; }

.tab {
    flex: 1;
    padding: 0.75rem;
    background: rgba(232,226,213,0.05);
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--paper-dim);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Noto Serif SC', 'STKaiti', serif;
    letter-spacing: 0.15em;
}

.tab.active {
    background: var(--gradient-ink);
    color: var(--paper);
    border-color: var(--ink-light);
    box-shadow: var(--shadow-ink);
}

/* ============== 视频弹窗 ============== */
.video-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.video-modal.active { opacity: 1; pointer-events: auto; }

.modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    aspect-ratio: 16/9;
    background: var(--ink-dark);
    border: 2px solid var(--paper-dim);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close {
    position: absolute;
    top: -50px; right: 0;
    width: 40px; height: 40px;
    background: rgba(232,226,213,0.06);
    border: 1px solid var(--paper-dim);
    border-radius: 50%;
    color: var(--paper);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.modal-close:hover { background: var(--ink-light); }

.modal-body {
    color: var(--paper-mute);
    font-size: 1.2rem;
    font-family: 'Noto Serif SC', serif;
}

/* ============== 通用动画 ============== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

/* ============== 响应式 ============== */
@media (max-width: 768px) {
    .timeline::before { left: 20px; }

    .timeline-item,
    .timeline-item:nth-child(even) {
        width: calc(100% - 50px);
        margin-left: 50px;
    }

    .timeline-item .timeline-dot,
    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: -38px;
        right: auto;
    }
}

/* ============== 文字阴影（确保统一背景图上清晰可读） ============== */
.page-hero, .page-subtitle, .video-card, .game-launch-title,
.game-launch-sub, .modal-body, .timeline-content, .faq-q, .faq-a, h1, h2, h3, p, li {
  text-shadow: 0 1px 6px rgba(0,0,0,0.55);
}