*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --color-primary: #E8B4B8;
    --color-primary-light: #F5D6DA;
    --color-primary-dark: #C98A8E;
    --color-accent: #D4AF37;
    --color-accent-light: #F0D75E;
    --color-dark: #0A0A0A;
    --color-dark-gray: #121212;
    --color-gray: #1A1A1A;
    --color-light-gray: #2A2A2A;
    --color-border: #2D2D2D;
    --color-text: #FFFFFF;
    --color-text-muted: #A0A0A0;
    --color-text-light: #707070;
    --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 20px 60px rgba(232, 180, 184, 0.15);
    --max-width: 1240px;
    --serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
    --display: 'Montserrat', 'Noto Serif SC', serif;
    --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
            'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--sans);
    color: var(--color-text);
    background: var(--color-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

::selection { background: var(--color-primary); color: var(--color-dark); }

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

a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }

.section { padding: 120px 0; position: relative; }

.section-head { text-align: center; margin-bottom: 80px; }

.section-eyebrow {
    font-family: var(--display);
    font-size: 14px;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--color-accent);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.section-eyebrow::before, .section-eyebrow::after {
    content: ''; width: 40px; height: 1px; background: var(--color-accent); opacity: 0.5;
}

.section-title {
    font-family: var(--serif);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 4px;
    line-height: 1.3;
}

.section-subtitle {
    margin-top: 20px;
    font-size: 16px;
    color: var(--color-text-muted);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: 1px;
    line-height: 1.9;
}

.section-more { text-align: center; margin-top: 60px; }

.topbar {
    background: var(--color-dark-gray);
    color: var(--color-text-muted);
    font-size: 12px;
    padding: 10px 0;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--color-border);
}

.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

.topbar-info { display: flex; gap: 28px; }

.topbar-info span { display: inline-flex; align-items: center; gap: 8px; }

.topbar-info svg { width: 14px; height: 14px; fill: var(--color-primary); }

.topbar-social { display: flex; gap: 20px; }

.topbar-social a { opacity: 0.6; transition: opacity 0.25s, color 0.25s; }

.topbar-social a:hover { opacity: 1; color: var(--color-primary); }

.topbar-social svg { width: 16px; height: 16px; }

.header {
    position: sticky; top: 0; z-index: 2001;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.3s;
}

.header.scrolled { box-shadow: 0 6px 30px rgba(0, 0, 0, 0.5); }

.nav { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; }

.logo { display: flex; align-items: center; gap: 14px; }

.logo-mark {
    width: 48px; height: 48px;
    display: grid; place-items: center;
    background: var(--color-dark-gray);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-family: var(--display);
    font-weight: 700; font-size: 11px;
    letter-spacing: 2px;
    border-radius: 4px;
    transition: all 0.3s;
}

.logo:hover .logo-mark { background: var(--color-primary); color: var(--color-dark); }

.logo-text { display: flex; flex-direction: column; line-height: 1.1; }

.logo-text .zh {
    font-family: var(--serif);
    font-size: 24px; font-weight: 700;
    color: var(--color-text); letter-spacing: 2px;
}

.logo-text .en {
    font-family: var(--display);
    font-size: 10px; letter-spacing: 4px;
    color: var(--color-accent); text-transform: uppercase;
    margin-top: 2px;
}

.nav-menu { display: flex; align-items: center; gap: 8px; list-style: none; }

.nav-menu a {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--color-text-muted);
    position: relative;
    letter-spacing: 2px;
    transition: color 0.25s;
}

.nav-menu a::after {
    content: ''; position: absolute;
    left: 50%; bottom: 4px;
    width: 0; height: 1px;
    background: var(--color-primary);
    transition: width 0.3s, left 0.3s;
}

.nav-menu a:hover, .nav-menu a.active { color: var(--color-text); }

.nav-menu a:hover::after, .nav-menu a.active::after { width: 30px; left: calc(50% - 15px); }

.nav-cta {
    margin-left: 16px;
    padding: 12px 30px !important;
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary) !important;
    border-radius: 2px;
    font-size: 13px !important;
    letter-spacing: 3px !important;
    transition: all 0.3s;
}

.nav-cta::after { display: none; }

.nav-cta:hover { background: var(--color-primary); color: var(--color-dark) !important; }

.nav-toggle {
    display: none;
    width: 44px; height: 44px;
    background: none; border: 1px solid var(--color-border);
    border-radius: 4px; cursor: pointer;
    flex-direction: column; justify-content: center; align-items: center; gap: 5px;
    position: relative; z-index: 2003;
}

.nav-toggle span {
    width: 22px; height: 1px;
    background: var(--color-text);
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.8);
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 2000;
}
.nav-overlay.active { opacity: 1; visibility: visible; }

.hero {
    position: relative;
    min-height: 90vh;
    display: flex; align-items: center;
    overflow: hidden;
    background: var(--color-dark);
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }

.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.35; }

.hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.6) 50%, rgba(232, 180, 184, 0.05) 100%);
}

.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 80px 0; }

.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 14px;
    color: var(--color-accent);
    font-family: var(--display); font-size: 13px;
    letter-spacing: 8px; text-transform: uppercase;
    margin-bottom: 30px;
    opacity: 0; animation: fadeUp 1s 0.2s forwards;
}

.hero-eyebrow::before { content: ''; width: 40px; height: 1px; background: var(--color-accent); }

.hero-title {
    font-family: var(--serif);
    font-size: clamp(44px, 7vw, 82px);
    font-weight: 900; line-height: 1.1;
    letter-spacing: 2px;
    margin-bottom: 28px;
    opacity: 0; animation: fadeUp 1s 0.4s forwards;
}

.hero-desc {
    font-size: 17px; line-height: 2;
    color: var(--color-text-muted);
    max-width: 580px;
    letter-spacing: 1px;
    margin-bottom: 48px;
    opacity: 0; animation: fadeUp 1s 0.6s forwards;
}

.hero-actions {
    display: flex; gap: 22px; flex-wrap: wrap;
    opacity: 0; animation: fadeUp 1s 0.8s forwards;
}

.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 40px;
    font-size: 14px; letter-spacing: 4px;
    border-radius: 2px; cursor: pointer;
    border: none;
    transition: all 0.3s;
    font-family: var(--sans);
    font-weight: 500;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-dark);
    box-shadow: 0 10px 30px rgba(232, 180, 184, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-3px);
    box-shadow: 0 16px 45px rgba(232, 180, 184, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text-muted);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-dark);
    border-color: var(--color-primary);
}

.btn svg { width: 16px; height: 16px; fill: currentColor; }

.hero-stats {
    position: relative; z-index: 2;
    display: flex; gap: 70px;
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
    opacity: 0; animation: fadeUp 1s 1s forwards;
    flex-wrap: wrap;
}

.hero-stat .num { font-family: var(--display); font-size: 48px; font-weight: 700; color: var(--color-primary); line-height: 1; }

.hero-stat .num small { font-size: 18px; margin-left: 4px; }

.hero-stat .label { font-size: 13px; color: var(--color-text-muted); letter-spacing: 2px; margin-top: 10px; }

.scroll-cue {
    position: absolute;
    left: 50%; bottom: 40px;
    transform: translateX(-50%);
    z-index: 3;
    display: flex; flex-direction: column;
    align-items: center; gap: 10px;
    color: var(--color-text-muted);
    font-size: 10px; letter-spacing: 4px;
    animation: bounce 2s infinite;
}

.scroll-cue svg { width: 18px; height: 18px; fill: currentColor; }

@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(10px); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(35px); } to { opacity: 1; transform: translateY(0); } }

.models { background: var(--color-dark); position: relative; }

.models-filter { display: flex; justify-content: center; gap: 10px; margin-bottom: 60px; flex-wrap: wrap; }

.filter-btn {
    padding: 10px 28px;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-muted);
    font-size: 13px; letter-spacing: 2px;
    cursor: pointer; border-radius: 2px;
    transition: all 0.25s;
    font-family: var(--sans);
}

.filter-btn:hover, .filter-btn.active { background: var(--color-primary); color: var(--color-dark); border-color: var(--color-primary); }

.models-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.model-card {
    background: var(--color-dark-gray);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.4s;
}

.model-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary);
}

.model-img { position: relative; aspect-ratio: 3/4; overflow: hidden; }

.model-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }

.model-card:hover .model-img img { transform: scale(1.08); }

.model-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10, 10, 10, 0.9) 100%);
    opacity: 0;
    transition: opacity 0.4s;
    display: flex; align-items: flex-end; padding: 20px;
}

.model-card:hover .model-overlay { opacity: 1; }

.model-stats { display: flex; gap: 14px; }

.model-stats span { font-size: 11px; color: var(--color-primary); letter-spacing: 1px; }

.model-info { padding: 20px; }

.model-info h3 {
    font-family: var(--serif);
    font-size: 18px; font-weight: 600;
    color: var(--color-text); letter-spacing: 2px;
    margin-bottom: 6px;
}

.model-info p { font-size: 13px; color: var(--color-text-muted); line-height: 1.7; }

.services { background: var(--color-dark-gray); position: relative; }

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.service-card {
    background: var(--color-gray);
    border: 1px solid var(--color-border);
    padding: 40px;
    border-radius: 4px;
    position: relative;
    transition: all 0.4s;
    overflow: hidden;
}

.service-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 2px;
    background: var(--color-primary);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon { width: 56px; height: 56px; margin-bottom: 24px; color: var(--color-primary); }

.service-icon svg { width: 100%; height: 100%; }

.service-card h3 {
    font-family: var(--serif);
    font-size: 20px; font-weight: 600;
    color: var(--color-text); letter-spacing: 2px;
    margin-bottom: 12px;
}

.service-card p { font-size: 13px; color: var(--color-text-muted); line-height: 1.9; }

.service-arrow {
    margin-top: 20px;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s;
}

.service-card:hover .service-arrow { opacity: 1; transform: translateX(0); }

.service-arrow svg { width: 20px; height: 20px; fill: var(--color-primary); }

.portfolio { background: var(--color-dark); }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.portfolio-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }

.portfolio-item:hover img { transform: scale(1.1); }

.portfolio-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.4) 0%, rgba(10, 10, 10, 0.9) 100%);
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 28px;
    opacity: 0;
    transition: opacity 0.4s;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay h3 {
    font-family: var(--serif);
    font-size: 20px; font-weight: 600;
    color: var(--color-text); letter-spacing: 2px;
    margin-bottom: 8px;
}

.portfolio-overlay p { font-size: 13px; color: var(--color-text-muted); }

.about { background: var(--color-dark-gray); position: relative; }

.about-grid {
    display: grid; grid-template-columns: 1fr 1.1fr;
    gap: 80px; align-items: center;
}

.about-visual { position: relative; }

.about-img { border-radius: 4px; overflow: hidden; box-shadow: var(--shadow-soft); aspect-ratio: 4/5; }

.about-img img { width: 100%; height: 100%; object-fit: cover; }

.about-badge {
    position: absolute; top: -20px; right: -20px;
    background: var(--color-primary); color: var(--color-dark);
    width: 140px; height: 140px; border-radius: 50%;
    display: grid; place-items: center; text-align: center;
    box-shadow: 0 12px 35px rgba(232, 180, 184, 0.4);
}

.about-badge .num { font-family: var(--display); font-size: 44px; font-weight: 700; line-height: 1; }

.about-badge .text { font-size: 12px; letter-spacing: 2px; margin-top: 4px; }

.about-text .section-eyebrow { justify-content: flex-start; }

.about-text .section-eyebrow::before { display: none; }

.about-text .section-title { text-align: left; font-size: 38px; margin-bottom: 26px; }

.about-text p { color: var(--color-text-muted); line-height: 2; letter-spacing: 1px; margin-bottom: 20px; }

.about-features { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.about-feature { display: flex; align-items: flex-start; gap: 16px; }

.about-feature .check {
    flex-shrink: 0; width: 34px; height: 34px;
    background: var(--color-gray); border: 1px solid var(--color-border);
    color: var(--color-primary); border-radius: 50%;
    display: grid; place-items: center;
    transition: all 0.3s;
}

.about-feature:hover .check { background: var(--color-primary); color: var(--color-dark); border-color: var(--color-primary); }

.about-feature .check svg { width: 16px; height: 16px; fill: currentColor; }

.about-feature h4 { font-family: var(--serif); font-size: 16px; color: var(--color-text); margin-bottom: 6px; letter-spacing: 2px; }

.about-feature p { font-size: 13px; color: var(--color-text-muted); margin: 0; line-height: 1.7; }

.stats {
    background: var(--color-gray);
    padding: 80px 0;
    position: relative;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }

.stat-item { text-align: center; padding: 20px; }

.stat-item .num { font-family: var(--display); font-size: 58px; font-weight: 700; color: var(--color-primary); line-height: 1; margin-bottom: 12px; }

.stat-item .num small { font-size: 24px; margin-left: 4px; }

.stat-item .label { font-size: 14px; color: var(--color-text-muted); letter-spacing: 3px; }

.contact { background: var(--color-dark); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: stretch; }

.contact-info { padding: 20px 0; }

.contact-info .section-eyebrow { justify-content: flex-start; }

.contact-info .section-eyebrow::before { display: none; }

.contact-info .section-title { text-align: left; font-size: 38px; margin-bottom: 26px; }

.contact-info > p { color: var(--color-text-muted); line-height: 2; letter-spacing: 1px; margin-bottom: 40px; }

.contact-list { list-style: none; margin-bottom: 20px; }

.contact-list li {
    display: flex; align-items: flex-start; gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid var(--color-border);
}

.contact-list li:last-child { border-bottom: none; }

.contact-icon {
    flex-shrink: 0; width: 48px; height: 48px;
    background: var(--color-dark-gray); border: 1px solid var(--color-border);
    color: var(--color-primary); border-radius: 50%;
    display: grid; place-items: center;
    transition: all 0.3s;
}

.contact-list li:hover .contact-icon { background: var(--color-primary); color: var(--color-dark); border-color: var(--color-primary); }

.contact-icon svg { width: 20px; height: 20px; fill: currentColor; }

.contact-list .label { font-size: 12px; color: var(--color-text-light); letter-spacing: 2px; margin-bottom: 4px; }

.contact-list .value { font-family: var(--serif); font-size: 17px; color: var(--color-text); font-weight: 500; letter-spacing: 1px; }

.contact-form-wrap {
    background: var(--color-dark-gray);
    padding: 50px 46px;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    border-top: 2px solid var(--color-primary);
}

.contact-form-wrap h3 { font-family: var(--serif); font-size: 22px; color: var(--color-text); margin-bottom: 10px; letter-spacing: 2px; }

.contact-form-wrap > p { font-size: 14px; color: var(--color-text-muted); margin-bottom: 36px; letter-spacing: 1px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }

.form-group { margin-bottom: 20px; }

.form-group label { display: block; font-size: 12px; color: var(--color-text-muted); margin-bottom: 8px; letter-spacing: 2px; }

.form-group label .req { color: var(--color-primary); margin-left: 2px; }

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-size: 14px; font-family: var(--sans);
    background: var(--color-gray);
    color: var(--color-text);
    transition: border-color 0.25s, background 0.25s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-dark-gray);
}

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

.form-submit {
    width: 100%;
    padding: 16px;
    background: var(--color-primary);
    color: var(--color-dark);
    border: none;
    border-radius: 2px;
    font-size: 14px;
    letter-spacing: 4px;
    cursor: pointer;
    font-family: var(--sans);
    font-weight: 600;
    transition: background 0.25s, transform 0.25s;
    margin-top: 8px;
}

.form-submit:hover { background: var(--color-primary-light); transform: translateY(-2px); }

.form-note { font-size: 12px; color: var(--color-text-light); text-align: center; margin-top: 16px; letter-spacing: 1px; }

.footer { background: var(--color-dark-gray); color: var(--color-text-muted); padding: 80px 0 0; }

.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 50px; padding-bottom: 50px; border-bottom: 1px solid var(--color-border); }

.footer-col h4 {
    font-family: var(--serif);
    color: var(--color-text); font-size: 16px;
    letter-spacing: 3px;
    margin-bottom: 26px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 1px; background: var(--color-primary); }

.footer-about .logo-text .zh { color: var(--color-text); }

.footer-about p { font-size: 14px; line-height: 2; margin: 22px 0; letter-spacing: 1px; }

.footer-social { display: flex; gap: 14px; }

.footer-social a {
    width: 40px; height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: grid; place-items: center;
    color: var(--color-text-muted);
    transition: all 0.3s;
}

.footer-social a:hover { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-dark); transform: translateY(-3px); }

.footer-social svg { width: 18px; height: 18px; fill: currentColor; }

.footer-links { list-style: none; }

.footer-links li { margin-bottom: 14px; }

.footer-links a { font-size: 14px; color: var(--color-text-muted); letter-spacing: 1px; transition: color 0.25s, padding-left 0.25s; display: inline-block; }

.footer-links a:hover { color: var(--color-primary); padding-left: 8px; }

.footer-contact li {
    list-style: none;
    display: flex; align-items: flex-start; gap: 14px;
    margin-bottom: 18px;
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.footer-contact svg { width: 16px; height: 16px; fill: var(--color-primary); flex-shrink: 0; margin-top: 4px; }

.footer-bottom {
    padding: 26px 0;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 12px;
    color: var(--color-text-light);
    letter-spacing: 1px;
    flex-wrap: wrap; gap: 12px;
}

.footer-bottom a { color: var(--color-text-muted); }

.footer-bottom a:hover { color: var(--color-primary); }

.back-top {
    position: fixed; right: 30px; bottom: 30px;
    width: 50px; height: 50px;
    background: var(--color-dark-gray);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    display: grid; place-items: center;
    opacity: 0; visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
}

.back-top.show { opacity: 1; visibility: visible; }

.back-top:hover { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-dark); transform: translateY(-4px); }

.back-top svg { width: 20px; height: 20px; fill: currentColor; }

.reveal { opacity: 0; transform: translateY(45px); transition: opacity 0.8s ease, transform 0.8s ease; }

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }
.reveal:nth-child(7) { transition-delay: 0.6s; }
.reveal:nth-child(8) { transition-delay: 0.7s; }

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 0;
}

.article-content img {
    max-width: 100%;
    height: auto;
    margin: 24px 0;
    border-radius: 4px;
}

.article-content p {
    font-size: 16px;
    line-height: 2.2;
    color: var(--color-text);
    margin-bottom: 22px;
    text-align: justify;
}

.article-content h2 {
    font-family: var(--serif);
    font-size: 30px;
    font-weight: 700;
    color: var(--color-text);
    margin: 45px 0 20px;
    letter-spacing: 2px;
}

.article-content h3 {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text);
    margin: 35px 0 15px;
}

.article-content ul, .article-content ol {
    padding-left: 30px;
    margin-bottom: 22px;
}

.article-content li {
    font-size: 16px;
    line-height: 2.2;
    color: var(--color-text);
    margin-bottom: 12px;
}

.article-tags {
    max-width: 800px;
    margin: 0 auto 40px;
    padding: 24px;
    background: var(--color-dark-gray);
    border-radius: 4px;
    border: 1px solid var(--color-border);
    font-size: 14px;
}

.article-tags a {
    display: inline-block;
    padding: 6px 14px;
    margin: 6px;
    background: var(--color-gray);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 12px;
    transition: all 0.25s;
}

.article-tags a:hover { background: var(--color-primary); color: var(--color-dark); }

.article-nav {
    max-width: 800px;
    margin: 0 auto 40px;
    display: flex;
    justify-content: space-between;
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.article-nav a {
    font-size: 14px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color 0.25s;
}

.article-nav a:hover { color: var(--color-primary); }

.article-rel {
    max-width: 800px;
    margin: 0 auto;
    padding: 36px;
    background: var(--color-dark-gray);
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.article-rel h3 {
    font-family: var(--serif);
    font-size: 18px;
    color: var(--color-text);
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.article-rel ul {
    list-style: none;
    padding: 0;
    columns: 2;
    gap: 18px;
}

.article-rel li {
    margin-bottom: 14px;
}

.article-rel a {
    font-size: 14px;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color 0.25s, padding-left 0.25s;
}

.article-rel a::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.article-rel a:hover {
    color: var(--color-primary);
    padding-left: 6px;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px;
    padding: 24px 0;
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    font-size: 14px;
    color: var(--color-text-muted);
    background: var(--color-dark-gray);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    transition: all 0.25s;
}

.pagination a:hover {
    background: var(--color-primary);
    color: var(--color-dark);
    border-color: var(--color-primary);
}

.pagination .current {
    background: var(--color-primary);
    color: var(--color-dark);
    border-color: var(--color-primary);
}

@media (max-width: 1024px) {
    .models-grid { grid-template-columns: repeat(3, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 50px; }
    .about-visual { max-width: 500px; margin: 0 auto; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

@media (max-width: 768px) {
    .section { padding: 80px 0; }
    .container { padding: 0 24px; }
    .section-title { font-size: 30px; letter-spacing: 3px; }
    .section-head { margin-bottom: 55px; }
    .topbar { display: none; }
    .nav-menu {
        position: fixed; top: 0; right: -100%;
        width: 80%; max-width: 320px;
        height: 100vh;
        background: var(--color-dark-gray);
        flex-direction: column;
        align-items: stretch;
        padding: 24px 32px 40px;
        gap: 0;
        box-shadow: -10px 0 40px rgba(0,0,0,0.3);
        transition: right 0.4s;
        overflow-y: auto;
        z-index: 2002;
    }
    .nav-menu.active { right: 0; }
    .nav-menu a { padding: 18px 0; border-bottom: 1px solid var(--color-border); font-size: 16px; color: var(--color-text); }
    .nav-menu a::after { display: none; }
    .nav-menu .nav-cta { margin: 24px 0 0; text-align: center; border-bottom: none; padding: 15px 30px !important; display: inline-block; width: 100%; box-sizing: border-box; }
    .nav-toggle { display: flex; }
    .hero { min-height: 80vh; }
    .hero-content { padding: 60px 0; }
    .hero-title { font-size: 42px; letter-spacing: 2px; }
    .hero-desc { font-size: 15px; }
    .hero-stats { gap: 35px; margin-top: 55px; }
    .hero-stat .num { font-size: 36px; }
    .models-grid, .services-grid, .portfolio-grid { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }
    .about-badge { right: 10px; width: 110px; height: 110px; }
    .about-badge .num { font-size: 34px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
    .stat-item .num { font-size: 44px; }
    .contact-form-wrap { padding: 40px 28px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .back-top { right: 20px; bottom: 20px; width: 44px; height: 44px; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .btn { justify-content: center; }
    .hero-stats { flex-direction: column; gap: 28px; }
    .stats-grid { grid-template-columns: 1fr; }
}

.page-header {
    background: var(--color-dark-gray);
    border-bottom: 1px solid var(--color-border);
    padding: 60px 0 50px;
}

.page-breadcrumb {
    display: flex; align-items: center; gap: 12px;
    font-size: 13px; color: var(--color-text-muted);
    margin-bottom: 20px;
}

.page-breadcrumb a { color: var(--color-text-muted); transition: color 0.25s; }

.page-breadcrumb a:hover { color: var(--color-primary); }

.page-breadcrumb .separator { color: var(--color-border); }

.page-title {
    font-family: var(--serif);
    font-size: 36px; font-weight: 700;
    color: var(--color-text);
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.page-desc {
    font-size: 15px; color: var(--color-text-muted);
    line-height: 1.8;
}

.section.page-404 {
    padding: 0;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.page-404 .container {
    padding: 0;
    max-width: none;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-content {
    max-width: 500px;
    width: 100%;
    padding: 80px 40px;
    background: var(--color-dark-gray);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    margin: auto;
}

.error-num {
    font-family: var(--display);
    font-size: 120px; font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 20px;
}

.error-title {
    font-family: var(--serif);
    font-size: 32px; font-weight: 600;
    color: var(--color-text);
    letter-spacing: 3px;
    margin-bottom: 16px;
}

.error-desc {
    font-size: 16px; color: var(--color-text-muted);
    margin-bottom: 40px;
}

.error-actions {
    display: flex; justify-content: center; gap: 20px;
    flex-wrap: wrap;
}

.article-list { padding-bottom: 80px; }

.list-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.article-card {
    background: var(--color-dark-gray);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary);
}

.article-img {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.article-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.article-card:hover .article-img img { transform: scale(1.06); }

.article-info { padding: 26px; }

.article-meta {
    display: flex; gap: 16px;
    font-size: 12px; color: var(--color-text-light);
    margin-bottom: 14px;
}

.article-date { display: flex; align-items: center; gap: 6px; }

.article-cat {
    padding: 3px 12px;
    background: var(--color-gray);
    border: 1px solid var(--color-border);
    border-radius: 20px;
}

.article-card h3 {
    font-family: var(--serif);
    font-size: 20px; font-weight: 600;
    color: var(--color-text);
    letter-spacing: 2px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-card p {
    font-size: 14px; color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-more {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--color-primary);
    letter-spacing: 2px;
    transition: all 0.25s;
}

.article-more:hover { padding-left: 8px; }

.article-detail { padding-bottom: 80px; }

.article-full { max-width: 900px; margin: 0 auto; }

.article-header {
    text-align: center;
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--color-border);
}

.article-full .article-title {
    font-family: var(--serif);
    font-size: 40px; font-weight: 700;
    color: var(--color-text);
    letter-spacing: 3px;
    line-height: 1.3;
    margin-bottom: 20px;
}

.article-full .article-meta {
    justify-content: center;
    font-size: 13px;
    color: var(--color-text-muted);
}

.article-full .article-meta span { margin-right: 24px; }

.article-full .article-meta span:last-child { margin-right: 0; }

.article-full .article-meta a { color: var(--color-primary); }

@media (max-width: 768px) {
    .page-title { font-size: 28px; }
    .error-num { font-size: 80px; }
    .error-title { font-size: 26px; }
    .list-grid { grid-template-columns: 1fr; }
    .article-full .article-title { font-size: 28px; }
    .article-full .article-meta { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}