/* ==========================================================================
   CSS: 襄汾县大发洗煤厂 — 企业官网
   File: css/style.css
   ========================================================================== */

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

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #333;
    line-height: 1.6;
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1a1a2e;
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #d4a017;
    border-radius: 2px;
}

.section-header p {
    margin-top: 12px;
    font-size: 1.05rem;
    color: #666;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: #d4a017;
    color: #fff;
}

.btn-primary:hover {
    background: #b8890f;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 160, 23, 0.35);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* --- Header / Navigation --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background 0.3s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.4rem;
    font-weight: 700;
}

.logo a i {
    color: #d4a017;
    font-size: 1.6rem;
}

.main-nav ul {
    display: flex;
    gap: 8px;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.8);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.main-nav a:hover,
.main-nav a.active {
    color: #fff;
    background: rgba(212, 160, 23, 0.2);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: image-set(url('../images/大发洗煤厂门头.webp') type('image/webp'), url('../images/大发洗煤厂门头.jpg') type('image/jpeg')) center center / cover no-repeat;
    overflow: hidden;
}

/* 遮罩已移除 — 保留原图色彩 */

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0,0,0,0.6);
    max-width: 900px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 900;
    letter-spacing: 4px;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: 2px;
    opacity: 0.9;
}

.hero-tagline {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    line-height: 2;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Stats Section --- */
.stats {
    background: #1a1a2e;
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 24px 12px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    transition: transform 0.3s, background 0.3s;
}

.stat-item:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
}

.stat-icon {
    font-size: 1.8rem;
    color: #d4a017;
    margin-bottom: 10px;
}

.stat-number {
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.1;
}

.stat-unit {
    font-size: 1rem;
    color: #d4a017;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* --- Services Section --- */
.services {
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #d4a017, #e6b422);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 16px;
}

.card-link {
    color: #d4a017;
    font-weight: 500;
    font-size: 0.95rem;
}

.card-link i {
    transition: transform 0.3s;
}

.card-link:hover i {
    transform: translateX(4px);
}

/* --- Strength Section --- */
.strength {
    background: #fff;
}

.strength-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.strength-item {
    background: #f8f9fa;
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.strength-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.strength-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.9);
}

.strength-info {
    padding: 30px;
}

.strength-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 14px;
}

.strength-info ul li {
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: #555;
    display: flex;
    align-items: center;
    gap: 8px;
}

.strength-info ul li i {
    color: #27ae60;
    font-size: 0.9rem;
}

/* --- Process Section --- */
.process {
    background: #f8f9fa;
}

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

.step {
    text-align: center;
    padding: 36px 20px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: transform 0.3s;
}

.step:hover {
    transform: translateY(-4px);
}

.step-number {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(212, 160, 23, 0.12);
    line-height: 1;
    margin-bottom: -10px;
}

.step-icon {
    font-size: 2rem;
    color: #d4a017;
    margin-bottom: 14px;
}

.step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.step p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

/* --- CTA Banner --- */
.cta-banner {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    text-align: center;
    color: #fff;
}

.cta-banner h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-banner p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

/* --- Footer --- */
.site-footer {
    background: #0f0f1a;
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}

.footer-logo i {
    color: #d4a017;
}

.footer-about p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 10px;
}

.footer-tagline {
    color: #d4a017;
    font-weight: 500;
}

.footer-grid h4 {
    color: #fff;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 18px;
}

.footer-grid ul li {
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.footer-grid ul li a:hover {
    color: #d4a017;
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact ul li i {
    color: #d4a017;
    width: 16px;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* --- News Section --- */
.news-filter {
    background: #fff;
    padding: 24px 0;
    border-bottom: 1px solid #eaeef2;
}
.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}
.filter-tab {
    display: inline-block;
    padding: 8px 24px;
    font-size: 15px;
    font-weight: 500;
    color: #666;
    background: #f0f2f4;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: inherit;
}
.filter-tab:hover {
    background: #e8eef4;
    color: #2c3e50;
}
.filter-tab.active {
    background: #d4a017;
    color: #fff;
    box-shadow: 0 4px 12px rgba(212, 160, 23, 0.3);
}
.news-section {
    padding: 50px 0 70px;
}
.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}
.news-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.10);
}
.news-card-inner {
    padding: 30px 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.news-date {
    font-size: 14px;
    color: #999;
    display: flex;
    align-items: center;
    gap: 6px;
}
.news-date i {
    color: #d4a017;
}
.news-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}
.news-tag.company {
    background: #eaf4ed;
    color: #2d6a4f;
}
.news-tag.industry {
    background: #e8f0fe;
    color: #1a56db;
}
.news-tag.market {
    background: #fef3e2;
    color: #b45f06;
}
.news-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a2a3a;
    line-height: 1.4;
}
.news-title a {
    transition: color 0.3s;
}
.news-title a:hover {
    color: #d4a017;
}
.news-summary {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}
.news-read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #d4a017;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.3s;
    margin-top: 4px;
}
.news-read-more:hover {
    gap: 10px;
}
.news-read-more i {
    font-size: 12px;
    transition: transform 0.3s;
}
.news-read-more:hover i {
    transform: translateX(4px);
}
.news-card-divider {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, #e0e4e8, transparent);
    margin: 0;
}
@media (max-width: 992px) {
    .news-card-inner {
        padding: 24px 24px;
    }
}
@media (max-width: 768px) {
    .filter-tab {
        padding: 6px 18px;
        font-size: 14px;
    }
    .news-title {
        font-size: 18px;
    }
    .news-meta {
        gap: 10px;
    }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 50px 0;
    }
    .section-header h2 {
        font-size: 1.6rem;
    }
    .hero-title {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .hero-tagline {
        font-size: 0.9rem;
    }
    .services-grid,
    .strength-grid {
        grid-template-columns: 1fr;
    }
    .process-steps {
        grid-template-columns: 1fr 1fr;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .stat-number {
        font-size: 1.8rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .menu-toggle {
        display: block;
    }
    .main-nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(26, 26, 46, 0.98);
        padding: 16px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .main-nav.open {
        display: block;
    }
    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }
    .main-nav a {
        display: block;
        padding: 12px 20px;
        text-align: center;
    }
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* --- Services Page Specific Styles --- */

/* Page Header / Banner */
.page-banner {
    padding: 100px 0 60px;
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    position: relative;
}
.page-banner h2 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.page-banner p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    max-width: 700px;
    margin: 0 auto;
}

/* Breadcrumbs */
.breadcrumb {
    background: #f5f5f5;
    padding: 12px 0;
    font-size: 0.9rem;
    color: #888;
}
.breadcrumb a {
    color: #d4a017;
}
.breadcrumb a:hover {
    text-decoration: underline;
}
.breadcrumb span {
    color: #999;
}

/* Duel Drive Cards (研学/留学) */
.duel-drive {
    padding: 60px 0;
    background: #f8f9fa;
}
.duel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.duel-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}
.duel-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}
.duel-card-header {
    padding: 30px 30px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.duel-card-header .icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}
.duel-card-header .icon.study {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}
.duel-card-header .icon.abroad {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}
.duel-card-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a1a2e;
}
.duel-card-body {
    padding: 0 30px 30px;
}
.route-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: #444;
    transition: background 0.3s;
}
.route-item:hover {
    background: #eef1f5;
}
.route-item i {
    color: #d4a017;
    width: 18px;
    text-align: center;
}
.route-item .badge {
    font-size: 0.75rem;
    background: #d4a017;
    color: #fff;
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    margin-left: auto;
    white-space: nowrap;
}
.duel-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.duel-tag {
    font-size: 0.8rem;
    padding: 4px 14px;
    border-radius: 20px;
    background: #f0f2f5;
    color: #555;
}

/* Countries Grid */
.countries-section {
    padding: 60px 0;
    background: #fff;
}
.countries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.country-card {
    background: #f8f9fa;
    border-radius: 14px;
    padding: 24px 16px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: default;
}
.country-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.country-flag {
    font-size: 2.6rem;
    margin-bottom: 10px;
    line-height: 1;
}
.country-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
}
.country-desc {
    font-size: 0.85rem;
    color: #777;
    line-height: 1.5;
}

/* Service Timeline */
.timeline-section {
    padding: 60px 0;
    background: #f8f9fa;
}
.timeline-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.timeline-item {
    background: #fff;
    border-radius: 14px;
    padding: 28px 20px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}
.timeline-item:hover {
    transform: translateY(-4px);
}
.timeline-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 14px;
    background: linear-gradient(135deg, #d4a017, #e6b422);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
}
.timeline-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 6px;
}
.timeline-duration {
    font-size: 0.85rem;
    color: #d4a017;
    font-weight: 500;
}

/* Assessment Section */
.assessment-section {
    padding: 60px 0;
    background: #fff;
}
.assessment-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.assessment-five {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 30px;
}
.assessment-five h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 20px;
    text-align: center;
}
.dimension-grid {
    display: grid;
    gap: 12px;
}
.dimension-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: #fff;
    border-radius: 10px;
    transition: transform 0.2s;
}
.dimension-item:hover {
    transform: translateX(4px);
}
.dimension-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d4a017, #e6b422);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
}
.dimension-info {
    flex: 1;
}
.dimension-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a1a2e;
}
.dimension-desc {
    font-size: 0.82rem;
    color: #888;
    margin-top: 2px;
}
.gradient-tiers {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 30px;
}
.gradient-tiers h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 20px;
    text-align: center;
}
.tier-list {
    display: grid;
    gap: 14px;
}
.tier-item {
    background: #fff;
    border-radius: 12px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: transform 0.2s;
}
.tier-item:hover {
    transform: translateX(4px);
}
.tier-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    white-space: nowrap;
    flex-shrink: 0;
}
.tier-badge.chongci {
    background: #e74c3c;
    color: #fff;
}
.tier-badge.wenjin {
    background: #f39c12;
    color: #fff;
}
.tier-badge.baodi {
    background: #27ae60;
    color: #fff;
}
.tier-info {
    flex: 1;
}
.tier-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a1a2e;
}
.tier-desc {
    font-size: 0.82rem;
    color: #888;
    margin-top: 2px;
}

/* Essay Writing Section (5 steps) */
.essay-section {
    padding: 60px 0;
    background: #f8f9fa;
}
.essay-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.essay-step {
    text-align: center;
    padding: 28px 14px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
    position: relative;
    transition: transform 0.3s;
}
.essay-step:hover {
    transform: translateY(-4px);
}
.essay-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    color: #d4a017;
    font-weight: 700;
}
.essay-step-num {
    width: 36px;
    height: 36px;
    margin: 0 auto 12px;
    background: #d4a017;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 700;
}
.essay-step-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #d4a017;
}
.essay-step h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 6px;
}
.essay-step p {
    font-size: 0.82rem;
    color: #888;
    line-height: 1.5;
}

/* Overseas Support Section (dark) */
.overseas-section {
    padding: 60px 0;
    background: #1a1a2e;
    color: #fff;
}
.overseas-section .section-header h2 {
    color: #fff;
}
.overseas-section .section-header p {
    color: rgba(255,255,255,0.6);
}
.overseas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.overseas-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 30px 24px;
    text-align: center;
    transition: transform 0.3s, background 0.3s;
}
.overseas-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.1);
}
.overseas-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
}
.overseas-card-icon.academic {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}
.overseas-card-icon.life {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}
.overseas-card-icon.legal {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}
.overseas-card-icon.career {
    background: linear-gradient(135deg, #fa709a, #fee140);
}
.overseas-card h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.overseas-card p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
}
.overseas-card ul {
    margin-top: 12px;
    text-align: left;
}
.overseas-card ul li {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.6);
    padding: 4px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.overseas-card ul li i {
    color: #d4a017;
    font-size: 0.7rem;
}

/* Responsive additions */
@media (max-width: 1024px) {
    .duel-grid,
    .assessment-content {
        grid-template-columns: 1fr;
    }
    .countries-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .timeline-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .essay-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    .overseas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .countries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .timeline-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .essay-steps {
        grid-template-columns: 1fr;
    }
    .essay-step:not(:last-child)::after {
        content: '↓';
        right: auto;
        bottom: -16px;
        top: auto;
        left: 50%;
        transform: translateX(-50%);
    }
    .duel-card-header {
        flex-direction: column;
        text-align: center;
    }
    .page-banner h2 {
        font-size: 1.8rem;
    }
}
@media (max-width: 480px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero-title {
        font-size: 1.6rem;
    }
    .countries-grid {
        grid-template-columns: 1fr;
    }
    .timeline-grid {
        grid-template-columns: 1fr;
    }
    .overseas-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Honor Bar — 荣誉资质横幅
   ========================================================================== */
:root {
    --coal-dark: #1a1a2e;
    --coal-gold: #d4a017;
}

.honor-bar {
    background: linear-gradient(135deg, #0f0f1a, #1a1a2e);
    padding: 14px 0;
    border-bottom: 1px solid rgba(212, 160, 23, 0.15);
    border-top: 1px solid rgba(212, 160, 23, 0.1);
}

.honor-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.honor-item {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.honor-item i {
    color: var(--coal-gold);
    font-size: 0.85rem;
}

.honor-divider {
    color: rgba(255, 255, 255, 0.15);
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .honor-bar {
        padding: 10px 0;
    }
    .honor-inner {
        gap: 4px;
    }
    .honor-item {
        font-size: 0.75rem;
    }
    .honor-divider {
        display: none;
    }
}

/* ==========================================================================
   Precision Section — 配煤精度标准
   ========================================================================== */
.precision {
    background: #f8f9fa;
}

.precision-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.precision-card {
    background: #fff;
    border-radius: 16px;
    padding: 36px 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--coal-gold);
}

.precision-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.precision-value {
    font-size: 3rem;
    font-weight: 900;
    color: var(--coal-dark);
    line-height: 1.1;
}

.precision-unit {
    font-size: 1rem;
    color: var(--coal-gold);
    font-weight: 600;
    margin-bottom: 8px;
}

.precision-label {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.precision-compare {
    font-size: 0.82rem;
    color: #999;
    line-height: 1.5;
    padding: 0 8px;
}

@media (max-width: 992px) {
    .precision-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .precision-grid {
        grid-template-columns: 1fr;
    }
    .precision-value {
        font-size: 2.4rem;
    }
}

/* ==========================================================================
   Footer addons
   ========================================================================== */
.footer-honor {
    font-size: 0.85rem;
    color: var(--coal-gold);
    margin-top: 8px;
}

.footer-honor i {
    margin-right: 4px;
}

/* ==========================================================================
   Services Detail Page — 服务详情
   ========================================================================== */
.services-detail {
    padding: 70px 0;
}

.service-detail-header {
    text-align: center;
    margin-bottom: 40px;
}

.service-detail-header .sd-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 18px;
    background: linear-gradient(135deg, #d4a017, #e6b422);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
}

.service-detail-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.sd-tagline {
    font-size: 1rem;
    color: #d4a017;
    font-weight: 500;
}

.service-detail-body {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 40px;
    align-items: start;
}

.service-detail-body.reverse {
    direction: rtl;
}

.service-detail-body.reverse > * {
    direction: ltr;
}

.sd-image img {
    width: 100%;
    border-radius: 14px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    display: block;
}

.sd-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 20px 0 10px;
}

.sd-content p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 12px;
}

.sd-content ul {
    margin-bottom: 8px;
}

.sd-content ul li {
    font-size: 0.92rem;
    color: #555;
    padding: 6px 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.6;
}

.sd-content ul li i {
    color: #27ae60;
    font-size: 0.85rem;
    margin-top: 4px;
    flex-shrink: 0;
}

.sd-content ul li i.fa-route {
    color: #d4a017;
}

.sd-content ul li i.fa-clock {
    color: #d4a017;
}

.sd-highlight {
    background: linear-gradient(135deg, #fef9e7, #fdf2d7);
    border-left: 4px solid #d4a017;
    padding: 16px 20px;
    border-radius: 0 10px 10px 0;
    margin-top: 20px;
    font-size: 0.92rem;
    color: #8a6d0b;
    line-height: 1.7;
}

.sd-highlight i {
    color: #d4a017;
    margin-right: 6px;
}

.sd-note {
    background: #eaf4ed;
    border-left: 4px solid #27ae60;
    padding: 14px 18px;
    border-radius: 0 10px 10px 0;
    margin-top: 16px;
    font-size: 0.9rem;
    color: #2d6a4f;
}

.sd-note i {
    color: #27ae60;
    margin-right: 6px;
}

@media (max-width: 992px) {
    .service-detail-body {
        grid-template-columns: 1fr;
    }
    .service-detail-body.reverse {
        direction: ltr;
    }
    .sd-image {
        order: -1;
    }
    .service-detail-header h2 {
        font-size: 1.4rem;
    }
}

/* ==========================================================================
   Strength Page — 企业实力
   ========================================================================== */
.strength-list {
    padding: 60px 0;
}

.strength-block {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 40px;
    margin-bottom: 50px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.strength-block.reverse {
    direction: rtl;
}

.strength-block.reverse > * {
    direction: ltr;
}

.strength-block-image {
    min-height: 350px;
    background-size: cover;
    background-position: center;
}

.strength-block-content {
    padding: 40px 40px 40px 20px;
}

.strength-block.reverse .strength-block-content {
    padding: 40px 20px 40px 40px;
}

.strength-block-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.strength-block-content .sb-sub {
    font-size: 0.95rem;
    color: #d4a017;
    font-weight: 500;
    margin-bottom: 16px;
}

.strength-block-content p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 12px;
}

.strength-block-content ul li {
    font-size: 0.92rem;
    color: #555;
    padding: 5px 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.6;
}

.strength-block-content ul li i {
    color: #27ae60;
    font-size: 0.85rem;
    margin-top: 4px;
    flex-shrink: 0;
}

@media (max-width: 992px) {
    .strength-block,
    .strength-block.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    .strength-block-image {
        min-height: 240px;
    }
    .strength-block-content {
        padding: 24px;
    }
    .strength-block.reverse .strength-block-content {
        padding: 24px;
    }
}

/* ==========================================================================
   About Page — 关于我们
   ========================================================================== */
.about-story {
    padding: 60px 0;
}

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

.about-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 30px 0 14px;
    padding-left: 14px;
    border-left: 4px solid #d4a017;
}

.about-content p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.9;
    margin-bottom: 14px;
}

.about-content .highlight-box {
    background: linear-gradient(135deg, #fef9e7, #fdf2d7);
    border-left: 4px solid #d4a017;
    padding: 20px 24px;
    border-radius: 0 10px 10px 0;
    margin: 20px 0;
    font-size: 0.95rem;
    color: #8a6d0b;
    line-height: 1.7;
}

.about-content .highlight-box i {
    color: #d4a017;
    margin-right: 6px;
}

/* Timeline */
.about-timeline {
    position: relative;
    padding-left: 30px;
    margin: 24px 0;
}

.about-timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #d4a017, #e6b422, #d4a017);
}

.timeline-node {
    position: relative;
    padding: 0 0 30px 30px;
}

.timeline-node:last-child {
    padding-bottom: 0;
}

.timeline-node::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: #d4a017;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px #d4a017;
}

.timeline-node .tl-year {
    font-size: 1.1rem;
    font-weight: 900;
    color: #d4a017;
    margin-bottom: 4px;
}

.timeline-node .tl-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 4px;
}

.timeline-node .tl-desc {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.7;
}

/* Team Section */
.team-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.team-stat-card {
    text-align: center;
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px 16px;
}

.team-stat-card .ts-number {
    font-size: 2rem;
    font-weight: 900;
    color: #d4a017;
    line-height: 1.2;
}

.team-stat-card .ts-label {
    font-size: 0.85rem;
    color: #666;
    margin-top: 4px;
}

@media (max-width: 768px) {
    .team-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-timeline {
        padding-left: 20px;
    }
}

/* ==========================================================================
   Contact Page — 联系我们
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 50px 0;
}

.contact-info-card {
    background: #fff;
    border-radius: 16px;
    padding: 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.contact-info-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 24px;
}

.ci-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0;
}

.ci-item:last-child {
    border-bottom: none;
}

.ci-item .ci-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #d4a017, #e6b422);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
}

.ci-item .ci-label {
    font-size: 0.82rem;
    color: #999;
    margin-bottom: 2px;
}

.ci-item .ci-value {
    font-size: 0.95rem;
    color: #333;
    font-weight: 500;
}

.ci-item .ci-value a {
    color: #d4a017;
}

.ci-item .ci-value a:hover {
    text-decoration: underline;
}

.contact-form-card {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 36px;
}

.contact-form-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 24px;
}

.faq-section {
    background: #f8f9fa;
}

.faq-container {
    max-width: 920px;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-item {
    background: #fff;
    border: 1px solid #e9e9e9;
    border-radius: 12px;
    padding: 0 22px;
}

.faq-item summary {
    cursor: pointer;
    color: #1a1a2e;
    font-weight: 700;
    padding: 18px 26px 18px 0;
}

.faq-item p {
    color: #555;
    line-height: 1.8;
    margin: 0 0 18px;
}

.faq-item a {
    color: #b78300;
    font-weight: 700;
}

.article-content .container {
    max-width: 900px;
}

.article-header {
    text-align: center;
    margin-bottom: 32px;
}

.article-header h2 {
    color: #1a1a2e;
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    margin: 16px 0;
}

.article-meta {
    color: #888;
    font-size: 0.9rem;
}

.article-cover img {
    width: 100%;
    max-height: 460px;
    object-fit: cover;
    border-radius: 16px;
    margin: 0 0 30px;
}

.article-content p,
.article-content li {
    color: #555;
    font-size: 1rem;
    line-height: 1.9;
}

.article-content h3 {
    color: #1a1a2e;
    font-size: 1.35rem;
    margin: 32px 0 12px;
}

.article-content ul {
    padding-left: 1.3rem;
}

.article-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: #444;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: #fff;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #d4a017;
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.12);
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-note {
    margin: 14px 0 0;
    color: #666;
    font-size: 0.82rem;
    line-height: 1.65;
}

.conversion-strip {
    background: #f8f4ea;
    border-bottom: 1px solid #eadfca;
}

.conversion-strip-inner {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    padding: 14px 20px;
    color: #4d4230;
    font-size: 0.9rem;
}

.conversion-strip-inner div {
    display: flex;
    gap: 8px;
    align-items: center;
}

.conversion-strip-inner i { color: #b8890f; }

.conversion-strip-inner a {
    color: #8a6508;
    font-weight: 700;
}

.conversion-strip-inner a:hover { color: #5e4300; }

@media (max-width: 620px) {
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .conversion-strip-inner {
        justify-content: flex-start;
        gap: 10px;
        font-size: 0.84rem;
    }
}

.btn-submit {
    background: #d4a017;
    color: #fff;
    border: none;
    padding: 14px 40px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-submit:hover {
    background: #b8890f;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 160, 23, 0.35);
}

.form-honeypot {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.form-status {
    min-height: 1.5em;
    margin: 14px 0 0;
    font-size: 0.95rem;
}

.form-status.is-success { color: #147a43; }
.form-status.is-error { color: #b42318; }
.btn-submit:disabled { cursor: wait; opacity: 0.72; }

.contact-map {
    padding: 0 0 50px;
}

.contact-map-box {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.contact-map-placeholder {
    background: #eef1f5;
    padding: 60px 20px;
    text-align: center;
    color: #999;
    font-size: 0.9rem;
}

.contact-map-placeholder i {
    font-size: 3rem;
    color: #d4a017;
    margin-bottom: 12px;
    display: block;
}

.business-hours {
    margin-top: 30px;
    padding: 20px 24px;
    background: #fef9e7;
    border-radius: 12px;
    border-left: 4px solid #d4a017;
}

.business-hours h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.business-hours p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   News Page — 新闻资讯
   ========================================================================== */
.news-featured {
    padding: 40px 0 0;
}

.news-list {
    padding: 30px 0 60px;
}

.news-empty {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.news-empty i {
    font-size: 3rem;
    color: #ddd;
    margin-bottom: 14px;
    display: block;
}

.news-empty p {
    font-size: 0.95rem;
}


/* Static news summary button: avoids fake links before detail pages exist */
.news-read-more-static {
    border: 0;
    background: transparent;
    padding: 0;
    font: inherit;
    cursor: default;
}

.news-read-more-static:hover {
    color: var(--primary-color);
}



/* ============================================
   Launch conversion enhancements
   ============================================ */
.footer-record {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.contact-action-panel {
    background: linear-gradient(135deg, #fff8e6 0%, #ffffff 100%);
    border: 1px solid rgba(212, 160, 23, 0.28);
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.contact-action-panel h3 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

.contact-action-panel p {
    margin-bottom: 20px;
    color: var(--text-color);
}

.contact-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.contact-action-buttons .btn {
    border: none;
    cursor: pointer;
}

.btn-outline {
    background: #ffffff;
    color: var(--primary-color);
    border: 1px solid var(--primary-color) !important;
}

.mobile-contact-bar {
    display: none;
}

@media (max-width: 768px) {
    body {
        padding-bottom: 72px;
    }

    .mobile-contact-bar {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9999;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        background: #1a1a2e;
        border-top: 1px solid rgba(212, 160, 23, 0.45);
        box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.22);
    }

    .mobile-contact-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        min-height: 64px;
        color: #ffffff;
        text-decoration: none;
        background: transparent;
        border: 0;
        border-right: 1px solid rgba(255, 255, 255, 0.12);
        font: inherit;
        cursor: pointer;
    }

    .mobile-contact-item:last-child {
        border-right: 0;
    }

    .mobile-contact-item i {
        color: var(--primary-color);
        font-size: 1.1rem;
    }

    .mobile-contact-item span {
        font-size: 0.82rem;
    }

    .contact-action-buttons {
        flex-direction: column;
    }

    .contact-action-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}