/* ===================================================
   校长先生 (The Headmaster) 官网样式
   =================================================== */

/* --- CSS 变量 --- */
:root {
    --color-primary: #b2a092;
    --color-dark: #29272e;
    --color-accent1: #6d3827;
    --color-accent2: #795d40;
    --color-card-bg: #322f36;
    --color-card-bg2: #2e2b32;
    --color-border: rgba(178, 160, 146, 0.18);
    --color-text: #e8e0d8;
    --color-text-muted: #a09080;
    --color-text-subtle: #706060;
    --header-h: 64px;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.55);
    --transition: 0.28s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    background: var(--color-dark);
    color: var(--color-text);
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.7;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: #d4c8bc; }

ul { list-style: none; }

/* --- 容器 --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================================
   按钮
   =================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    text-align: center;
    white-space: nowrap;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent1), var(--color-accent2));
    color: #f0e8e0;
    box-shadow: 0 4px 16px rgba(109,56,39,0.45);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #8a4430, #96744f);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(109,56,39,0.6);
}

.btn-secondary {
    background: rgba(178,160,146,0.12);
    color: var(--color-primary);
    border: 1.5px solid var(--color-border);
}
.btn-secondary:hover {
    background: rgba(178,160,146,0.22);
    color: #d4c8bc;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-border);
}
.btn-outline:hover {
    background: rgba(178,160,146,0.1);
    color: #d4c8bc;
    border-color: var(--color-primary);
}

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* ===================================================
   Header
   =================================================== */
#header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(35, 33, 40, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition), box-shadow var(--transition);
}
#header.scrolled {
    background: rgba(28, 26, 32, 0.97);
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    gap: 16px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}
.logo img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}
.logo span {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

/* Desktop Nav */
.main-nav ul {
    display: flex;
    gap: 4px;
    align-items: center;
}
.main-nav ul li a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 11px;
    border-radius: 7px;
    font-size: 0.86rem;
    color: var(--color-text-muted);
    font-weight: 500;
    transition: all var(--transition);
    white-space: nowrap;
}
.main-nav ul li a i { font-size: 0.8rem; }
.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: var(--color-primary);
    background: rgba(178,160,146,0.1);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-shrink: 0;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    z-index: 999;
    background: rgba(28, 26, 32, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-110%);
    transition: transform 0.3s ease;
    padding: 16px 0;
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu ul { padding: 0 16px; }
.mobile-menu ul li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    border-radius: 8px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: all var(--transition);
}
.mobile-menu ul li a i { width: 18px; color: var(--color-accent2); }
.mobile-menu ul li a:hover { color: var(--color-primary); background: rgba(178,160,146,0.08); }

/* ===================================================
   Section 通用
   =================================================== */
.section {
    padding: 80px 0;
}
.section-dark {
    background: linear-gradient(180deg, #242128 0%, #2a2730 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-header h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.section-header h2 i { font-size: 0.85em; color: var(--color-accent2); }
.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* ===================================================
   Hero Section
   =================================================== */
.hero-section {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: var(--header-h);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(35,33,40,0.97) 0%,
        rgba(35,33,40,0.85) 40%,
        rgba(35,33,40,0.45) 70%,
        rgba(35,33,40,0.15) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 620px;
    padding: 48px 24px 48px 10%;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 13px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}
.badge-version {
    background: rgba(109,56,39,0.35);
    border: 1px solid rgba(109,56,39,0.6);
    color: #e8a080;
}
.badge-date {
    background: rgba(121,93,64,0.3);
    border: 1px solid rgba(121,93,64,0.55);
    color: var(--color-primary);
}
.badge-new {
    background: linear-gradient(135deg, rgba(109,56,39,0.5), rgba(121,93,64,0.5));
    border: 1px solid rgba(178,160,146,0.35);
    color: #f0d0b0;
}

.hero-title {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(2.8rem, 7vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: #f0e8e0;
    margin-bottom: 6px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.6);
}
.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.35rem);
    color: var(--color-primary);
    font-weight: 300;
    letter-spacing: 0.12em;
    margin-bottom: 16px;
    text-transform: uppercase;
}
.hero-desc {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    max-width: 480px;
    line-height: 1.6;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}
.hero-tags span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 13px;
    background: rgba(178,160,146,0.1);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}
.hero-tags span i { color: var(--color-accent2); font-size: 0.75rem; }

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* ===================================================
   News Section
   =================================================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.news-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(178,160,146,0.35);
}
.news-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--color-card-bg), #3a3440);
    border-color: rgba(109,56,39,0.4);
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.news-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}
.news-tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    letter-spacing: 0.03em;
}
.news-tag.update {
    background: rgba(109,56,39,0.35);
    color: #e8a080;
    border: 1px solid rgba(109,56,39,0.5);
}
.news-tag.dev {
    background: rgba(121,93,64,0.35);
    color: var(--color-primary);
    border: 1px solid rgba(121,93,64,0.5);
}
.news-tag.event {
    background: rgba(60,80,100,0.35);
    color: #90b8d8;
    border: 1px solid rgba(60,80,100,0.5);
}
.news-card h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.05rem;
    color: var(--color-text);
    line-height: 1.4;
}
.news-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    flex: 1;
    line-height: 1.65;
}
.news-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--color-accent2);
    font-weight: 600;
    margin-top: auto;
    transition: color var(--transition), gap var(--transition);
}
.news-link:hover { color: var(--color-primary); gap: 10px; }

/* ===================================================
   Gallery Section
   =================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-card-bg);
    cursor: pointer;
    aspect-ratio: 16/9;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.06); }

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(28,26,32,0.85) 0%, transparent 50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 16px;
    opacity: 0;
    transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: 8px;
}
.gallery-zoom {
    background: rgba(178,160,146,0.2);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 1rem;
}
.gallery-zoom:hover { background: var(--color-primary); color: var(--color-dark); }

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(10,10,14,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.lightbox.active { opacity: 1; pointer-events: all; }
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: rgba(178,160,146,0.15);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition);
}
.lightbox-close:hover { background: var(--color-accent1); color: #fff; }
.lightbox-content {
    max-width: 90vw;
    max-height: 85vh;
    text-align: center;
}
.lightbox-content img {
    max-width: 100%;
    max-height: 78vh;
    border-radius: var(--radius);
    object-fit: contain;
}
#lightboxCaption {
    margin-top: 12px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===================================================
   Reviews Section
   =================================================== */
.reviews-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}
.rating-big {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.rating-number {
    font-family: 'Noto Serif SC', serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}
.rating-stars { color: #e8a040; font-size: 1.1rem; display: flex; gap: 3px; }
.rating-count { font-size: 0.85rem; color: var(--color-text-muted); }

.review-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    max-width: 420px;
}
.review-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: rgba(178,160,146,0.08);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
.review-tag i { color: var(--color-accent2); font-size: 0.75rem; }

/* Reviews Carousel */
.reviews-carousel { position: relative; overflow: hidden; }
.reviews-track {
    display: flex;
    gap: 20px;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.review-card {
    min-width: calc(33.333% - 14px);
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    flex-shrink: 0;
    transition: border-color var(--transition);
}
.review-card:hover { border-color: rgba(178,160,146,0.35); }
.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.review-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent1), var(--color-accent2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: #f0e8e0;
    flex-shrink: 0;
}
.review-name { font-weight: 600; font-size: 0.9rem; color: var(--color-text); }
.review-stars { color: #e8a040; font-size: 0.75rem; display: flex; gap: 2px; margin-top: 3px; }
.review-date { font-size: 0.78rem; color: var(--color-text-subtle); margin-left: auto; }
.review-card p { font-size: 0.88rem; color: var(--color-text-muted); line-height: 1.7; }

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 28px;
}
.carousel-prev, .carousel-next {
    background: rgba(178,160,146,0.1);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9rem;
}
.carousel-prev:hover, .carousel-next:hover {
    background: var(--color-accent1);
    color: #f0e8e0;
    border-color: transparent;
}
.carousel-dots { display: flex; gap: 8px; }
.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}
.carousel-dot.active {
    background: var(--color-primary);
    transform: scale(1.3);
}

/* ===================================================
   Guides Section
   =================================================== */
.guides-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 40px;
}
.filter-btn {
    padding: 8px 20px;
    border-radius: 20px;
    background: rgba(178,160,146,0.08);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.88rem;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    font-weight: 500;
}
.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, var(--color-accent1), var(--color-accent2));
    border-color: transparent;
    color: #f0e8e0;
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.guide-card {
    background: var(--color-card-bg2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.guide-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--color-accent1), var(--color-accent2));
    opacity: 0;
    transition: opacity var(--transition);
}
.guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(178,160,146,0.3); }
.guide-card:hover::before { opacity: 1; }
.guide-card.hidden { display: none; }

.guide-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(109,56,39,0.35), rgba(121,93,64,0.35));
    border: 1px solid rgba(109,56,39,0.4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-accent2);
}
.guide-difficulty {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    letter-spacing: 0.04em;
}
.beginner-badge { background: rgba(50,120,80,0.3); color: #70d090; border: 1px solid rgba(50,120,80,0.5); }
.medium-badge { background: rgba(120,90,30,0.3); color: #e0b060; border: 1px solid rgba(120,90,30,0.5); }
.hard-badge { background: rgba(130,40,40,0.3); color: #e08080; border: 1px solid rgba(130,40,40,0.5); }

.guide-card h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.4;
    padding-right: 70px;
}
.guide-card p {
    font-size: 0.87rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    flex: 1;
}
.guide-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 4px;
}
.guide-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    color: var(--color-text-subtle);
}
.guide-meta span i { color: var(--color-accent2); }

/* ===================================================
   Chapters Section
   =================================================== */
.chapters-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 36px;
}
.tab-btn {
    padding: 10px 28px;
    border-radius: 8px;
    background: rgba(178,160,146,0.08);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}
.tab-btn.active,
.tab-btn:hover {
    background: linear-gradient(135deg, var(--color-accent1), var(--color-accent2));
    border-color: transparent;
    color: #f0e8e0;
}

.chapters-content { display: block; }
.chapters-content.hidden { display: none; }

.chapter-card {
    display: flex;
    gap: 20px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 16px;
    transition: transform var(--transition), border-color var(--transition);
    align-items: flex-start;
}
.chapter-card:hover {
    transform: translateX(4px);
    border-color: rgba(178,160,146,0.35);
}

.chapter-num {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(109,56,39,0.4), rgba(121,93,64,0.4));
    border: 1px solid rgba(109,56,39,0.4);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Noto Serif SC', serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    line-height: 1.3;
    white-space: nowrap;
}
.char-icon { font-size: 1.4rem; }

.chapter-info { flex: 1; min-width: 0; }
.chapter-info h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 8px;
}
.chapter-synopsis {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: 10px;
}
.chapter-chars {
    font-size: 0.82rem;
    color: var(--color-text-subtle);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.chapter-chars i { color: var(--color-accent2); }
.chapter-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.chapter-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    color: var(--color-text-subtle);
}
.chapter-stats span i { color: var(--color-accent2); font-size: 0.75rem; }
.chapter-tone {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem !important;
    font-weight: 600;
}
.chapter-tone.warm { background: rgba(180,100,40,0.25); color: #e8b080; border: 1px solid rgba(180,100,40,0.4); }
.chapter-tone.neutral { background: rgba(100,100,120,0.25); color: #b0b8d0; border: 1px solid rgba(100,100,120,0.4); }
.chapter-tone.tense { background: rgba(160,50,50,0.25); color: #e08080; border: 1px solid rgba(160,50,50,0.4); }
.chapter-tone.dark { background: rgba(60,30,80,0.35); color: #c090e0; border: 1px solid rgba(80,40,100,0.5); }

/* ===================================================
   Version History
   =================================================== */
.version-timeline {
    position: relative;
    padding-left: 30px;
}
.version-timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent1), transparent);
}
.version-item {
    position: relative;
    margin-bottom: 28px;
}
.version-dot {
    position: absolute;
    left: -24px;
    top: 22px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-accent2);
    border: 2px solid var(--color-dark);
    transition: transform var(--transition);
}
.version-item.current .version-dot {
    background: var(--color-primary);
    width: 16px;
    height: 16px;
    left: -25px;
    box-shadow: 0 0 12px rgba(178,160,146,0.5);
}
.version-item:hover .version-dot { transform: scale(1.3); }

.version-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: border-color var(--transition), transform var(--transition);
}
.version-item.current .version-card {
    border-color: rgba(109,56,39,0.5);
    background: linear-gradient(135deg, var(--color-card-bg), #3a3440);
}
.version-card:hover { border-color: rgba(178,160,146,0.35); transform: translateX(4px); }

.version-header {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.version-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}
.version-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
}
.current-badge { background: rgba(109,56,39,0.35); color: #e8a080; border: 1px solid rgba(109,56,39,0.5); }
.version-date { font-size: 0.82rem; color: var(--color-text-subtle); margin-left: auto; display: flex; align-items: center; gap: 5px; }

.version-platforms {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.version-platforms span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    background: rgba(178,160,146,0.07);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
}
.version-platforms span i { color: var(--color-accent2); font-size: 0.78rem; }

.version-changes {
    list-style: none;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.version-changes li {
    font-size: 0.87rem;
    color: var(--color-text-muted);
    padding-left: 16px;
    position: relative;
    line-height: 1.5;
}
.version-changes li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-accent2);
    font-size: 0.7rem;
    top: 3px;
}

/* ===================================================
   FAQ Section
   =================================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition);
}
.faq-item.open { border-color: rgba(178,160,146,0.4); }

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 22px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    transition: color var(--transition);
}
.faq-question:hover { color: var(--color-primary); }
.faq-question i {
    flex-shrink: 0;
    color: var(--color-accent2);
    transition: transform 0.3s ease;
    font-size: 0.85rem;
}
.faq-item.open .faq-question i { transform: rotate(180deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer p {
    padding: 0 22px 20px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===================================================
   Footer
   =================================================== */
#footer {
    background: linear-gradient(180deg, #231f28 0%, #1a1820 100%);
    border-top: 1px solid var(--color-border);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.footer-logo img { width: 36px; height: 36px; border-radius: 8px; }
.footer-logo span {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
}
.footer-brand p {
    font-size: 0.88rem;
    color: var(--color-text-subtle);
    line-height: 1.65;
}

.footer-links h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 18px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links ul li a {
    font-size: 0.87rem;
    color: var(--color-text-subtle);
    transition: color var(--transition);
}
.footer-links ul li a:hover { color: var(--color-primary); }

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-bottom p { font-size: 0.82rem; color: var(--color-text-subtle); }
.footer-legal { display: flex; gap: 12px; }
.footer-legal a { color: var(--color-text-subtle); font-size: 0.82rem; }
.footer-legal a:hover { color: var(--color-primary); }

/* ===================================================
   Back to Top Button
   =================================================== */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 500;
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--color-accent1), var(--color-accent2));
    color: #f0e8e0;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(109,56,39,0.5);
    opacity: 0;
    transform: translateY(16px);
    transition: all var(--transition);
    pointer-events: none;
}
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}
.back-to-top:hover {
    background: linear-gradient(135deg, #8a4430, #96744f);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(109,56,39,0.7);
}

/* ===================================================
   响应式布局
   =================================================== */
@media (max-width: 1024px) {
    .main-nav ul li a { padding: 6px 8px; font-size: 0.82rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .gallery-grid { grid-template-columns: 1fr 1fr; }
    .review-card { min-width: calc(50% - 10px); }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .hamburger { display: flex; }

    .hero-content { padding: 40px 24px; max-width: 100%; }
    .hero-section { min-height: 80vh; }
    .hero-overlay {
        background: linear-gradient(
            to bottom,
            rgba(35,33,40,0.7) 0%,
            rgba(35,33,40,0.92) 60%,
            rgba(35,33,40,0.97) 100%
        );
    }

    .news-grid { grid-template-columns: 1fr; }
    .news-card.featured { grid-column: span 1; }

    .gallery-grid { grid-template-columns: 1fr; }

    .reviews-summary { flex-direction: column; gap: 28px; }
    .review-card { min-width: 85vw; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-brand { grid-column: span 2; }

    .chapter-card { flex-direction: column; gap: 14px; }
    .chapter-num { width: auto; height: auto; padding: 8px 16px; font-size: 0.85rem; display: inline-flex; }

    .version-timeline { padding-left: 20px; }

    .section { padding: 60px 0; }
    .section-header { margin-bottom: 40px; }
}

@media (max-width: 480px) {
    .hero-tags span { font-size: 0.75rem; padding: 4px 10px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }

    .guides-grid { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: span 1; }

    .footer-bottom { flex-direction: column; align-items: flex-start; }

    .back-to-top { bottom: 16px; right: 16px; width: 40px; height: 40px; font-size: 0.9rem; }
}