/* ============================================================
   style.css — 墨痕科技 全局样式
   ============================================================ */

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

:root {
    --primary-dark: #0a0e27;
    --primary-mid: #12163a;
    --primary-light: #1a1f4e;
    --accent-blue: #4facfe;
    --accent-purple: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #7c3aed 100%);
    --text-white: #ffffff;
    --text-gray: #b8b8cc;
    --text-muted: #8888aa;
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.10);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    --radius: 20px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-white);
    line-height: 1.7;
    overflow-x: hidden;
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--primary-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-gradient);
    border-radius: 10px;
}

a {
    text-decoration: none;
    color: inherit;
}
img {
    max-width: 100%;
    display: block;
}

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

.section-title {
    font-size: 2.6rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 导航 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(10, 14, 39, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 8px 24px rgba(79, 172, 254, 0.3);
}
.logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}
.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-gray);
    transition: var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
}
.nav-links a:hover {
    color: #fff;
}
.nav-links a:hover::after {
    width: 100%;
}
.nav-links a.active {
    color: #fff;
}
.nav-links a.active::after {
    width: 100%;
}
.nav-cta {
    background: var(--accent-gradient);
    padding: 8px 24px;
    border-radius: 50px;
    color: #fff !important;
    font-weight: 600 !important;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(79, 172, 254, 0.25);
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(79, 172, 254, 0.4);
    color: #fff !important;
}
.nav-cta::after {
    display: none !important;
}
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.hamburger span {
    width: 28px;
    height: 2.5px;
    background: #fff;
    border-radius: 4px;
    transition: var(--transition);
}
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: radial-gradient(ellipse at 20% 50%, rgba(79, 172, 254, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.10) 0%, transparent 50%),
        var(--primary-dark);
}
.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 70%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(79, 172, 254, 0.08) 0%, transparent 70%);
    animation: floatGlow 8s ease-in-out infinite alternate;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 60%;
    height: 70%;
    background: radial-gradient(ellipse, rgba(124, 58, 237, 0.06) 0%, transparent 70%);
    animation: floatGlow 10s ease-in-out infinite alternate-reverse;
}
@keyframes floatGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, -30px) scale(1.1); }
}
.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-content h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -1px;
}
.hero-content h1 .highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-content p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 32px;
    max-width: 500px;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(79, 172, 254, 0.3);
}
.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(79, 172, 254, 0.45);
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    width: 100%;
    max-width: 500px;
}
.hero-grid-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 24px 20px;
    backdrop-filter: blur(8px);
    transition: var(--transition);
    text-align: center;
}
.hero-grid-item:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.10);
}
.hero-grid-item i {
    font-size: 2.2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}
.hero-grid-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.hero-grid-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* ===== About ===== */
.about {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-mid) 100%);
}
.about .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-text h2 {
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.about-text h2 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.about-text p {
    color: var(--text-gray);
    font-size: 1.05rem;
    margin-bottom: 20px;
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 32px;
}
.stat-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px 16px;
    text-align: center;
    backdrop-filter: blur(4px);
    transition: var(--transition);
}
.stat-item:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
}
.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}
.about-image-placeholder {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 4/3;
    background: radial-gradient(ellipse at 30% 40%, rgba(79, 172, 254, 0.15), rgba(124, 58, 237, 0.08));
    border-radius: var(--radius);
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    backdrop-filter: blur(4px);
    padding: 40px;
    text-align: center;
}
.about-image-placeholder i {
    font-size: 4rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.about-image-placeholder h3 {
    font-size: 1.4rem;
}
.about-image-placeholder p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ===== Services ===== */
.services {
    padding: 100px 0;
    background: var(--primary-mid);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 40px 32px;
    backdrop-filter: blur(8px);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}
.service-card:hover::before {
    transform: scaleX(1);
}
.service-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow);
}
.service-card .icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--accent-gradient);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    box-shadow: 0 8px 30px rgba(79, 172, 254, 0.2);
}
.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.service-card p {
    color: var(--text-gray);
    font-size: 0.98rem;
    line-height: 1.8;
}

/* ===== Cases (通用) ===== */
.cases {
    padding: 100px 0;
    background: var(--primary-dark);
}
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.case-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}
.case-link:hover .case-card {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.20);
    box-shadow: var(--shadow);
    background: rgba(255, 255, 255, 0.08);
}
.case-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(4px);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.case-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: var(--primary-light);
}
.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.case-link:hover .case-image img {
    transform: scale(1.05);
}
.case-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(10, 14, 39, 0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px 24px;
}
.case-image-overlay .case-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.case-tag {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
    padding: 2px 14px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-gray);
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.case-info {
    padding: 20px 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.case-info .desc {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 12px;
    line-height: 1.6;
    flex: 1;
}
.case-info .owner {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}
.case-info .owner i {
    color: var(--accent-blue);
}
.cases-more {
    text-align: center;
    margin-top: 48px;
}

/* ===== 案例列表页 ===== */
.page-header {
    padding: 120px 0 40px;
    background: var(--primary-dark);
    border-bottom: 1px solid var(--glass-border);
    text-align: center;
}
.page-header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-header p {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-top: 8px;
}
.cases-list-page {
    padding: 60px 0 100px;
    background: var(--primary-dark);
}
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
}
.filter-btn {
    padding: 8px 22px;
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    background: transparent;
    color: var(--text-gray);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.filter-btn:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}
.filter-btn.active {
    background: var(--accent-gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(79, 172, 254, 0.3);
}

/* ===== 案例详情 ===== */
.breadcrumb-wrapper {
    padding: 100px 0 20px;
    background: var(--primary-dark);
    border-bottom: 1px solid var(--glass-border);
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-gray);
    flex-wrap: wrap;
}
.breadcrumb a {
    color: var(--text-gray);
    transition: var(--transition);
}
.breadcrumb a:hover {
    color: #fff;
}
.breadcrumb .separator {
    color: var(--text-muted);
}
.breadcrumb .current {
    color: #fff;
    font-weight: 500;
}
.breadcrumb i {
    margin-right: 4px;
}
.case-detail {
    padding: 60px 0 80px;
    background: var(--primary-dark);
}
.case-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 70px;
}
.case-gallery .main-image {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    margin-bottom: 16px;
    background: var(--primary-light);
}
.case-gallery .main-image img {
    width: 100%;
    height: auto;
    display: block;
}
.thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.thumbnails .thumb {
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    opacity: 0.6;
    aspect-ratio: 16/9;
    object-fit: cover;
}
.thumbnails .thumb:hover {
    opacity: 0.9;
}
.thumbnails .thumb.active {
    border-color: var(--accent-blue);
    opacity: 1;
}
.case-detail-info .case-title {
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 12px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.case-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 28px;
    color: var(--text-gray);
    font-size: 0.95rem;
}
.case-meta .meta-item i {
    margin-right: 6px;
    color: var(--accent-blue);
}
.case-description h3,
.case-features h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}
.case-description p {
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.9;
}
.case-features ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 20px;
    margin-bottom: 30px;
}
.case-features ul li {
    color: var(--text-gray);
    font-size: 0.98rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.case-features ul li i {
    color: var(--accent-blue);
    font-size: 1rem;
}
.case-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.case-actions .btn-primary,
.case-actions .btn-secondary {
    padding: 12px 30px;
}
.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    background: #2d3748;
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.btn-download:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.3);
}
.btn-download i {
    color: var(--accent-blue);
}
.related-cases {
    margin-top: 20px;
}
.related-cases .section-title {
    font-size: 2rem;
    margin-bottom: 40px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* ===== 资质荣誉 ===== */
.honors {
    padding: 100px 0;
    background: var(--primary-mid);
}
.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.honor-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}
.honor-link:hover .honor-card {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.20);
    box-shadow: var(--shadow);
    background: rgba(255, 255, 255, 0.08);
}
.honor-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(4px);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.honor-card .honor-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 10 / 13;
    background: var(--primary-light);
}
.honor-card .honor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.honor-link:hover .honor-image img {
    transform: scale(1.05);
}
.honor-card .honor-info {
    padding: 16px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.honor-card .honor-info .honor-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: #fff;
}
.honor-card .honor-info .honor-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.honor-card .honor-info .honor-meta i {
    margin-right: 4px;
    color: var(--accent-blue);
}
.honors-more {
    text-align: center;
    margin-top: 48px;
}
.honors-list-page {
    padding: 60px 0 100px;
    background: var(--primary-dark);
}
.honors-list-page .honors-grid {
    grid-template-columns: repeat(4, 1fr);
}

/* ===== 资质详情 ===== */
.honor-detail {
    padding: 60px 0 80px;
    background: var(--primary-dark);
}
.honor-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 70px;
}
.honor-detail .honor-image-main {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: var(--primary-light);
    aspect-ratio: 10 / 13;
}
.honor-detail .honor-image-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.honor-detail-info .honor-title {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.honor-detail-info .honor-metadata {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 24px;
    color: var(--text-gray);
    font-size: 0.95rem;
}
.honor-detail-info .honor-metadata .meta-item i {
    margin-right: 6px;
    color: var(--accent-blue);
}
.honor-detail-info .honor-description {
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 30px;
}
.honor-detail-info .honor-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.honor-detail-info .honor-actions .btn-primary,
.honor-detail-info .honor-actions .btn-secondary {
    padding: 12px 30px;
}
.related-honors {
    margin-top: 20px;
}
.related-honors .section-title {
    font-size: 2rem;
    margin-bottom: 40px;
}
.related-honors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* ===== Contact ===== */
.contact {
    padding: 100px 0;
    background: var(--primary-mid);
}
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 20px;
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.contact-info h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.contact-info > p {
    color: var(--text-gray);
    font-size: 1rem;
}
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: var(--glass-bg);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}
.contact-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}
.contact-item .icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
}
.contact-item .text h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}
.contact-item .text p {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin: 0;
}
.contact-form {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 40px 36px;
    backdrop-filter: blur(8px);
}
.contact-form h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.contact-form .sub {
    color: var(--text-gray);
    margin-bottom: 24px;
    font-size: 0.95rem;
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-gray);
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: #fff;
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(79, 172, 254, 0.10);
}
.form-group textarea {
    resize: vertical;
    min-height: 120px;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}
.btn-submit {
    width: 100%;
    padding: 14px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(79, 172, 254, 0.25);
}
.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(79, 172, 254, 0.4);
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-dark);
    border-top: 1px solid var(--glass-border);
    padding: 32px 0;
}
.footer .container {
    display: flex;
    justify-content: center;
    align-items: center;
}
.footer-legal {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.88rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    justify-content: center;
}
.footer-legal .divider {
    color: var(--glass-border);
}
.footer-legal i {
    margin-right: 4px;
}

/* ===== 滚动动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-grid {
        max-width: 400px;
        margin: 0 auto;
    }
    .about .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .about-stats {
        justify-items: center;
    }
    .about-image-placeholder {
        max-width: 100%;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .cases-grid {
        grid-template-columns: 1fr 1fr;
    }
    .honors-grid,
    .honors-list-page .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .case-detail-grid,
    .honor-detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .related-grid,
    .related-honors-grid {
        grid-template-columns: 1fr 1fr;
    }
    .case-features ul {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 320px;
        height: 100vh;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        padding: 40px 32px;
        gap: 24px;
        transition: var(--transition);
        border-left: 1px solid var(--glass-border);
    }
    .nav-links.open {
        right: 0;
    }
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    .hero-content h1 {
        font-size: 2.6rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    .cases-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    .honors-grid,
    .honors-list-page .honors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    .contact-form {
        padding: 28px 20px;
    }
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .hero-grid-item {
        padding: 16px 12px;
    }
    .hero-grid-item i {
        font-size: 1.6rem;
    }
    .footer-legal {
        font-size: 0.8rem;
        gap: 8px;
    }
    .breadcrumb-wrapper {
        padding-top: 80px;
    }
    .case-detail,
    .honor-detail {
        padding: 40px 0 60px;
    }
    .case-detail-info .case-title,
    .honor-detail-info .honor-title {
        font-size: 2rem;
    }
    .thumbnails {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }
    .related-grid,
    .related-honors-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    .case-actions,
    .honor-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .case-actions .btn-primary,
    .case-actions .btn-secondary,
    .case-actions .btn-download,
    .honor-actions .btn-primary,
    .honor-actions .btn-secondary,
    .honor-actions .btn-download {
        justify-content: center;
    }
    .filter-tabs {
        gap: 8px;
    }
    .filter-btn {
        padding: 6px 16px;
        font-size: 0.8rem;
    }
    .page-header h1 {
        font-size: 2.2rem;
    }
}
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .stat-number {
        font-size: 1.6rem;
    }
    .case-image-overlay .case-name {
        font-size: 1.1rem;
    }
    .case-info {
        padding: 16px 18px 20px;
    }
    .contact-item {
        padding: 12px 16px;
    }
    .section-title {
        font-size: 1.7rem;
    }
    .case-meta,
    .honor-metadata {
        flex-direction: column;
        gap: 8px;
    }
    .thumbnails {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-header {
        padding: 100px 0 30px;
    }
    .page-header h1 {
        font-size: 1.8rem;
    }
    .honors-grid,
    .honors-list-page .honors-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .honor-card .honor-info .honor-name {
        font-size: 0.95rem;
    }
    .honor-card .honor-info .honor-meta {
        font-size: 0.75rem;
    }
}