/* ============================================
   征途国际 - 环球航海与帆船探险纪实平台
   主样式表 zh-style.css
   CSS前缀: zh-
   平台备案编号: VOYAGE-ZH-2026-3102
   ============================================ */

/* --- Google Fonts 本地化替代 --- */
@import url('https://fonts.googleapis.com/css2?family=Cinzel+Decorative:wght@400;700;900&family=Noto+Serif+SC:wght@400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
    --zh-primary: #C6A875;
    --zh-secondary: #3A4F65;
    --zh-accent: #E4C57A;
    --zh-highlight: #9B2C2C;
    --zh-bg: #F5F0E6;
    --zh-text: #3D2B1F;
    --zh-text-secondary: #7E6A55;
    --zh-shadow: 3px 3px 8px rgba(61, 43, 31, 0.2);
    --zh-radius: 2px;
    --zh-font-title: 'Cinzel Decorative', 'Noto Serif SC', serif;
    --zh-font-body: 'Noto Serif SC', 'Georgia', serif;
    --zh-transition: all 0.3s ease;
}

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

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

body {
    font-family: var(--zh-font-body);
    color: var(--zh-text);
    background-color: var(--zh-bg);
    line-height: 1.8;
    overflow-x: hidden;
}

a {
    color: var(--zh-secondary);
    text-decoration: none;
    transition: var(--zh-transition);
}

a:hover {
    color: var(--zh-accent);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--zh-font-title);
    color: var(--zh-text);
    line-height: 1.4;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--zh-text-secondary);
}

/* --- Layout --- */
.zh-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.zh-section {
    padding: 5rem 0;
    position: relative;
}

.zh-section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.zh-section-title h2 {
    font-size: 2.2rem;
    color: var(--zh-text);
    display: inline-block;
    position: relative;
    padding-bottom: 1rem;
}

.zh-section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--zh-accent), transparent);
}

.zh-section-title p {
    font-size: 1.1rem;
    color: var(--zh-text-secondary);
    max-width: 700px;
    margin: 1rem auto 0;
}

/* --- Grid System --- */
.zh-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.zh-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.zh-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* --- Navigation --- */
.zh-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(180deg, #2C1810 0%, #3A2518 100%);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
    border-bottom: 2px solid var(--zh-accent);
}

.zh-navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    max-width: 1400px;
    margin: 0 auto;
    height: 70px;
}

.zh-logo {
    font-family: var(--zh-font-title);
    font-size: 1.5rem;
    color: var(--zh-accent);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
    white-space: nowrap;
}

.zh-logo a {
    color: var(--zh-accent);
    text-decoration: none;
}

.zh-nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0;
}

.zh-nav-links li {
    position: relative;
}

.zh-nav-links li:not(:last-child)::after {
    content: '\2022';
    color: var(--zh-accent);
    margin: 0 0.6rem;
    font-size: 0.6rem;
    opacity: 0.6;
}

.zh-nav-links a {
    color: var(--zh-primary);
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--zh-transition);
    font-family: var(--zh-font-body);
}

.zh-nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--zh-accent);
    transition: width 0.3s ease;
}

.zh-nav-links a:hover {
    color: var(--zh-accent);
}

.zh-nav-links a:hover::after {
    width: 100%;
}

.zh-btn-seal {
    display: inline-block;
    background: var(--zh-highlight);
    color: var(--zh-primary) !important;
    padding: 0.5rem 1.2rem;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.2;
    border: 2px solid #c0392b;
    box-shadow: 0 2px 8px rgba(155, 44, 44, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: var(--zh-transition);
    font-family: var(--zh-font-body);
}

.zh-btn-seal:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(155, 44, 44, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Hamburger Menu */
.zh-hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.zh-hamburger span {
    width: 28px;
    height: 3px;
    background: var(--zh-accent);
    border-radius: 2px;
    transition: var(--zh-transition);
}

/* --- Hero Banner --- */
.zh-hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.zh-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.zh-hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(44, 24, 16, 0.5) 0%, rgba(58, 79, 101, 0.6) 100%);
}

.zh-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 2rem;
}

.zh-hero-content h1 {
    font-family: var(--zh-font-title);
    font-size: 3.5rem;
    color: var(--zh-accent);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.6);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.zh-hero-subtitle {
    font-size: 1.2rem;
    color: #e8dcc8;
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.8;
    font-style: italic;
}

.zh-hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Buttons --- */
.zh-btn-primary {
    display: inline-block;
    background: var(--zh-highlight);
    color: var(--zh-primary);
    padding: 1rem 2.5rem;
    border-radius: var(--zh-radius);
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid var(--zh-highlight);
    cursor: pointer;
    transition: var(--zh-transition);
    font-family: var(--zh-font-body);
    text-decoration: none;
}

.zh-btn-primary:hover {
    background: #b93434;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(155, 44, 44, 0.5);
    color: #fff;
}

.zh-btn-outline {
    display: inline-block;
    background: transparent;
    color: #e8dcc8;
    padding: 1rem 2.5rem;
    border-radius: var(--zh-radius);
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid var(--zh-secondary);
    cursor: pointer;
    transition: var(--zh-transition);
    font-family: var(--zh-font-body);
    text-decoration: none;
}

.zh-btn-outline:hover {
    background: var(--zh-secondary);
    color: #fff;
    transform: translateY(-2px);
}

/* --- Parchment Card --- */
.zh-parchment {
    background: linear-gradient(135deg, #f5f0e6 0%, #e8dcc8 50%, #f0e8d6 100%);
    border: 1px solid #d4c5a9;
    border-radius: var(--zh-radius);
    box-shadow: var(--zh-shadow);
    position: relative;
    overflow: hidden;
}

.zh-parchment::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/parchment-texture.jpg') center/cover;
    opacity: 0.08;
    pointer-events: none;
}

/* --- Log Card (Scroll Style) --- */
.zh-log-card {
    background: linear-gradient(180deg, #f5f0e6 0%, #e8dcc8 100%);
    border: 1px solid #c6a875;
    border-radius: var(--zh-radius);
    padding: 2rem;
    position: relative;
    box-shadow: var(--zh-shadow);
    transition: var(--zh-transition);
}

.zh-log-card::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 10%;
    right: 10%;
    height: 10px;
    background: linear-gradient(180deg, #c6a875, transparent);
    border-radius: 50%;
}

.zh-log-card:hover {
    transform: translateY(-5px);
    box-shadow: 5px 5px 15px rgba(61, 43, 31, 0.3);
}

.zh-log-card h3 {
    font-size: 1.2rem;
    color: var(--zh-text);
    margin-bottom: 0.5rem;
}

.zh-log-card .zh-log-meta {
    font-size: 0.85rem;
    color: var(--zh-text-secondary);
    font-style: italic;
    margin-bottom: 1rem;
}

.zh-log-card .zh-log-excerpt {
    font-size: 0.95rem;
    color: var(--zh-text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zh-log-tag {
    display: inline-block;
    background: var(--zh-secondary);
    color: var(--zh-primary);
    padding: 0.2rem 0.8rem;
    border-radius: var(--zh-radius);
    font-size: 0.8rem;
    margin-top: 1rem;
    margin-right: 0.5rem;
}

/* --- Wax Seal Decoration --- */
.zh-wax-seal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--zh-highlight);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--zh-primary);
    font-size: 1rem;
    box-shadow: 0 2px 6px rgba(155, 44, 44, 0.4), inset 0 -2px 4px rgba(0, 0, 0, 0.2);
}

/* --- Sailor Card --- */
.zh-sailor-card {
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    border: 1px solid #c6a875;
    border-radius: var(--zh-radius);
    overflow: hidden;
    box-shadow: var(--zh-shadow);
    transition: var(--zh-transition);
}

.zh-sailor-card:hover {
    transform: translateY(-5px);
    box-shadow: 5px 5px 15px rgba(61, 43, 31, 0.3);
}

.zh-sailor-card .zh-video-wrapper {
    position: relative;
    padding-top: 56.25%;
    background: #2C1810;
}

.zh-sailor-card .zh-video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zh-sailor-card .zh-duration-tag {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(44, 24, 16, 0.8);
    color: var(--zh-accent);
    padding: 0.2rem 0.6rem;
    border-radius: var(--zh-radius);
    font-size: 0.75rem;
    z-index: 2;
}

.zh-sailor-info {
    padding: 1.5rem;
}

.zh-sailor-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.zh-sailor-info p {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- Ship Card --- */
.zh-ship-card {
    display: flex;
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    border: 1px solid #c6a875;
    border-radius: var(--zh-radius);
    overflow: hidden;
    box-shadow: var(--zh-shadow);
    transition: var(--zh-transition);
}

.zh-ship-card:hover {
    transform: translateY(-3px);
    box-shadow: 5px 5px 15px rgba(61, 43, 31, 0.3);
}

.zh-ship-card .zh-ship-img {
    width: 45%;
    min-height: 200px;
    background-size: cover;
    background-position: center;
}

.zh-ship-card .zh-ship-info {
    width: 55%;
    padding: 1.5rem;
}

.zh-ship-info h3 {
    font-size: 1.15rem;
    margin-bottom: 0.3rem;
}

.zh-ship-info .zh-ship-type {
    font-size: 0.85rem;
    color: var(--zh-accent);
    font-style: italic;
    margin-bottom: 0.5rem;
}

.zh-ship-info .zh-ship-year {
    font-size: 0.85rem;
    color: var(--zh-text-secondary);
    margin-bottom: 0.8rem;
}

.zh-ship-info p {
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zh-btn-compass {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--zh-secondary);
    font-size: 0.9rem;
    margin-top: 0.8rem;
    font-weight: 600;
    transition: var(--zh-transition);
}

.zh-btn-compass:hover {
    color: var(--zh-accent);
}

/* --- Interactive Map --- */
.zh-map {
    background: var(--zh-secondary);
    position: relative;
}

.zh-map-container {
    position: relative;
    border-radius: var(--zh-radius);
    overflow: hidden;
    box-shadow: var(--zh-shadow);
}

.zh-map-container img {
    width: 100%;
    display: block;
}

.zh-map-hotspot {
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--zh-accent);
    border-radius: 50%;
    cursor: pointer;
    animation: zh-pulse 2s infinite;
    border: 2px solid #fff;
    z-index: 2;
}

@keyframes zh-pulse {
    0% { box-shadow: 0 0 0 0 rgba(228, 197, 122, 0.6); }
    70% { box-shadow: 0 0 0 15px rgba(228, 197, 122, 0); }
    100% { box-shadow: 0 0 0 0 rgba(228, 197, 122, 0); }
}

.zh-map-tooltip {
    display: none;
    position: absolute;
    background: rgba(44, 24, 16, 0.95);
    color: #e8dcc8;
    padding: 1rem 1.5rem;
    border-radius: var(--zh-radius);
    border: 1px solid var(--zh-accent);
    max-width: 300px;
    z-index: 10;
    font-size: 0.9rem;
    line-height: 1.6;
}

.zh-map-tooltip.zh-active {
    display: block;
}

.zh-map .zh-section-title h2,
.zh-map .zh-section-title p {
    color: #e8dcc8;
}

.zh-map .zh-section-title h2::after {
    background: linear-gradient(90deg, transparent, var(--zh-accent), transparent);
}

/* --- Register Module --- */
.zh-register {
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    text-align: center;
}

.zh-register-box {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem;
    background: linear-gradient(135deg, #fff, #f5f0e6);
    border: 2px solid var(--zh-accent);
    border-radius: var(--zh-radius);
    box-shadow: var(--zh-shadow);
}

.zh-form-input,
.zh-form-textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #c6a875;
    border-radius: var(--zh-radius);
    background: #f5f0e6;
    font-family: var(--zh-font-body);
    font-size: 0.95rem;
    color: var(--zh-text);
    margin-bottom: 1rem;
    transition: var(--zh-transition);
}

.zh-form-input:focus,
.zh-form-textarea:focus {
    outline: none;
    border-color: var(--zh-accent);
    box-shadow: 0 0 0 3px rgba(228, 197, 122, 0.2);
}

.zh-form-textarea {
    min-height: 120px;
    resize: vertical;
}

.zh-form-submit {
    display: inline-block;
    background: var(--zh-highlight);
    color: var(--zh-primary);
    padding: 0.8rem 2.5rem;
    border: none;
    border-radius: var(--zh-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--zh-transition);
    font-family: var(--zh-font-body);
}

.zh-form-submit:hover {
    background: #b93434;
    transform: translateY(-2px);
}

/* --- Museum Module --- */
.zh-museum-card {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    border: 1px solid #c6a875;
    border-radius: var(--zh-radius);
    box-shadow: var(--zh-shadow);
    transition: var(--zh-transition);
}

.zh-museum-card:hover {
    transform: translateY(-5px);
    box-shadow: 5px 5px 15px rgba(61, 43, 31, 0.3);
}

.zh-museum-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--zh-radius);
    margin-bottom: 1rem;
}

/* --- Article Card --- */
.zh-article-card {
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    border: 1px solid #c6a875;
    border-radius: var(--zh-radius);
    overflow: hidden;
    box-shadow: var(--zh-shadow);
    transition: var(--zh-transition);
}

.zh-article-card:hover {
    transform: translateY(-5px);
    box-shadow: 5px 5px 15px rgba(61, 43, 31, 0.3);
}

.zh-article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.zh-article-card .zh-article-body {
    padding: 1.5rem;
}

.zh-article-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.zh-article-card p {
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- Sea Monster Gallery (Masonry) --- */
.zh-monster-gallery {
    columns: 3;
    column-gap: 1.5rem;
}

.zh-monster-item {
    break-inside: avoid;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    border: 1px solid #c6a875;
    border-radius: var(--zh-radius);
    overflow: hidden;
    box-shadow: var(--zh-shadow);
    transition: var(--zh-transition);
}

.zh-monster-item:hover {
    transform: scale(1.02);
    box-shadow: 5px 5px 15px rgba(61, 43, 31, 0.3);
}

.zh-monster-item img {
    width: 100%;
    display: block;
}

.zh-monster-item .zh-monster-caption {
    padding: 1rem;
}

.zh-monster-item h4 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.zh-monster-item p {
    font-size: 0.85rem;
    line-height: 1.6;
}

/* --- Partners & Trust --- */
.zh-partners {
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    text-align: center;
}

.zh-partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.zh-partner-badge {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #fff, #f5f0e6);
    border: 2px solid var(--zh-accent);
    border-radius: var(--zh-radius);
    font-family: var(--zh-font-title);
    font-size: 0.9rem;
    color: var(--zh-secondary);
    box-shadow: var(--zh-shadow);
}

.zh-award-badge {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--zh-secondary);
    color: var(--zh-accent);
    border-radius: var(--zh-radius);
    font-size: 0.9rem;
    margin: 0.5rem;
}

/* --- Footer --- */
.zh-footer {
    background: linear-gradient(180deg, #1a2a3a 0%, #0f1922 100%);
    color: #c6a875;
    position: relative;
    overflow: hidden;
}

.zh-footer-wave {
    position: absolute;
    top: -2px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.zh-footer-wave svg {
    width: 100%;
    height: 60px;
}

.zh-footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 5rem 0 2rem;
}

.zh-footer-col h4 {
    color: var(--zh-accent);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.zh-footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--zh-accent);
}

.zh-footer-col p {
    color: #a89070;
    font-size: 0.9rem;
    line-height: 1.7;
}

.zh-footer-col ul {
    list-style: none;
}

.zh-footer-col ul li {
    margin-bottom: 0.5rem;
}

.zh-footer-col ul li a {
    color: #a89070;
    font-size: 0.9rem;
    transition: var(--zh-transition);
}

.zh-footer-col ul li a:hover {
    color: var(--zh-accent);
    padding-left: 5px;
}

.zh-footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.zh-footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(198, 168, 117, 0.15);
    border-radius: 50%;
    color: var(--zh-primary);
    font-size: 0.9rem;
    transition: var(--zh-transition);
}

.zh-footer-social a:hover {
    background: var(--zh-accent);
    color: #1a2a3a;
}

.zh-footer-seo {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(198, 168, 117, 0.15);
    margin-top: 2rem;
}

.zh-footer-seo p {
    font-size: 0.75rem;
    color: #7a6a55;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.zh-footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(198, 168, 117, 0.1);
}

.zh-footer-bottom p {
    font-size: 0.85rem;
    color: #7a6a55;
    margin-bottom: 0.3rem;
}

/* --- Breadcrumb --- */
.zh-breadcrumb {
    padding: 1rem 0;
    margin-top: 70px;
    background: linear-gradient(135deg, #e8dcc8, #f5f0e6);
    border-bottom: 1px solid #d4c5a9;
}

.zh-breadcrumb ol {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.zh-breadcrumb li::after {
    content: '\203A';
    margin-left: 0.5rem;
    color: var(--zh-text-secondary);
}

.zh-breadcrumb li:last-child::after {
    content: '';
}

.zh-breadcrumb a {
    color: var(--zh-secondary);
}

.zh-breadcrumb a:hover {
    color: var(--zh-accent);
}

.zh-breadcrumb .zh-current {
    color: var(--zh-text-secondary);
}

/* --- Page Header --- */
.zh-page-header {
    padding: 4rem 0 3rem;
    text-align: center;
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    margin-bottom: 0;
    position: relative;
}

.zh-page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--zh-accent), transparent);
}

/* --- Content Area --- */
.zh-content {
    padding: 3rem 0;
}

.zh-content-body {
    max-width: 900px;
    margin: 0 auto;
}

.zh-content-body h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--zh-secondary);
}

.zh-content-body h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
}

.zh-content-body p {
    margin-bottom: 1.2rem;
    text-align: justify;
}

.zh-content-body img {
    margin: 1.5rem 0;
    border-radius: var(--zh-radius);
    box-shadow: var(--zh-shadow);
}

/* --- Ink Border Effect --- */
.zh-ink-border {
    border: 2px solid transparent;
    border-image: linear-gradient(135deg, #c6a875, #3A4F65, #c6a875) 1;
}

/* --- Gold Text --- */
.zh-gold-text {
    background: linear-gradient(135deg, #E4C57A, #C6A875, #E4C57A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Emboss Effect --- */
.zh-emboss {
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.4), 0 -1px 0 rgba(0, 0, 0, 0.2);
}

/* --- Scroll Reveal Animation --- */
.zh-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.zh-fade-in.zh-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Route Glow Animation --- */
@keyframes zh-route-glow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.zh-route-glow {
    animation: zh-route-glow 3s ease-in-out infinite;
}

/* --- Video Container --- */
.zh-video-container {
    position: relative;
    padding-top: 56.25%;
    background: #1a1a1a;
    border-radius: var(--zh-radius);
    overflow: hidden;
    margin: 1.5rem 0;
}

.zh-video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* --- Logbook Page --- */
.zh-logbook {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    min-height: 600px;
}

.zh-logbook-list {
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    border: 2px solid #c6a875;
    border-radius: var(--zh-radius);
    padding: 2rem;
    max-height: 700px;
    overflow-y: auto;
}

.zh-logbook-entry {
    padding: 1rem;
    border-bottom: 1px solid #d4c5a9;
    cursor: pointer;
    transition: var(--zh-transition);
}

.zh-logbook-entry:hover {
    background: rgba(198, 168, 117, 0.2);
}

.zh-logbook-entry.zh-active {
    background: rgba(228, 197, 122, 0.2);
    border-left: 3px solid var(--zh-accent);
}

.zh-logbook-reader {
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    border: 2px solid #c6a875;
    border-radius: var(--zh-radius);
    padding: 2rem;
    font-style: italic;
    line-height: 2;
}

/* --- APP Download --- */
.zh-app-section {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.zh-app-features li {
    list-style: none;
    padding: 0.8rem 0;
    border-bottom: 1px solid #d4c5a9;
    font-size: 0.95rem;
    position: relative;
    padding-left: 2rem;
}

.zh-app-features li::before {
    content: '\2693';
    position: absolute;
    left: 0;
    color: var(--zh-accent);
}

.zh-app-badge {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, #8B7355, #6B5B45);
    color: var(--zh-primary);
    border-radius: var(--zh-radius);
    font-size: 0.9rem;
    margin: 0.5rem;
    border: 2px solid #a89070;
    transition: var(--zh-transition);
    text-decoration: none;
}

.zh-app-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    color: var(--zh-accent);
}

/* --- Inner Page Content Columns --- */
.zh-two-col {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.zh-sidebar {
    position: sticky;
    top: 90px;
}

.zh-sidebar-card {
    background: linear-gradient(135deg, #f5f0e6, #e8dcc8);
    border: 1px solid #c6a875;
    border-radius: var(--zh-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--zh-shadow);
}

.zh-sidebar-card h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #d4c5a9;
}

/* --- Table Style --- */
.zh-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.zh-table th,
.zh-table td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid #d4c5a9;
    font-size: 0.9rem;
}

.zh-table th {
    background: var(--zh-secondary);
    color: var(--zh-accent);
    font-weight: 600;
}

.zh-table tr:hover {
    background: rgba(198, 168, 117, 0.1);
}

/* --- FAQ --- */
.zh-faq-item {
    border-bottom: 1px solid #d4c5a9;
    padding: 1.5rem 0;
}

.zh-faq-question {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--zh-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.zh-faq-answer {
    padding-top: 1rem;
    color: var(--zh-text-secondary);
    line-height: 1.8;
}