:root {
    --primary: #ff4d00;
    --primary-dark: #ff4d00;
    --primary-light: #FFF0E6;
    --dark: #1A1A2E;
    --dark-secondary: #2D2D44;
    --text: #4A4A68;
    --text-light: #7A7A96;
    --border: #E8E8F0;
    --bg-light: #F7F8FC;
    --bg-white: #FFFFFF;
    --success: #2EC4B6;
    --section-py: 100px;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.03);
    --shadow: 0 2px 10px rgba(26, 26, 46, 0.04);
    --shadow-lg: 0 4px 16px rgba(26, 26, 46, 0.06);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s var(--ease);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--dark);
    font-weight: 700;
    line-height: 1.2;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    transition: all 0.35s var(--ease);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    padding: 0 40px;
    max-width: 1320px;
    margin: 0 auto;
}

.logo-img {
    height: 40px;
    width: auto;
}

.header-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    position: relative;
    padding: 8px 0;
    transition: color 0.3s var(--ease);
    letter-spacing: 0.2px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

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

.nav-link:hover::after {
    width: 100%;
}

.btn-primary-sm {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background: var(--primary);
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s var(--ease);
    border: none;
}

.btn-primary-sm:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.toggle-bar {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
}

.mobile-toggle.active .toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active .toggle-bar:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active .toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    background: var(--bg-white);
    padding: 24px 40px 32px;
    border-top: 1px solid var(--border);
}

.mobile-menu.open {
    display: block;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.mobile-nav-list li {
    border-bottom: 1px solid var(--border);
}

.mobile-nav-list a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--dark);
}

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

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

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 76px;
    background: var(--dark);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../assets/images/hero-banner.png') center center / cover no-repeat;
    opacity: 0.2;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 60px;
    padding-bottom: 40px;
}

.hero-text-center {
    text-align: center;
    max-width: 780px;
}

.hero-headline {
    font-size: 64px;
    font-weight: 900;
    color: #fff;
    line-height: 1.08;
    margin-bottom: 28px;
    letter-spacing: -2px;
}

.hero-line {
    display: block;
}

.text-accent {
    color: var(--primary);
}

.hero-subheadline {
    font-size: 19px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 44px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.btn-primary-lg {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s var(--ease);
    border: none;
    letter-spacing: 0.3px;
}

.btn-primary-lg:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.trust-barometer {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 22px 0;
}

.trust-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.trust-badge i {
    font-size: 20px;
    color: var(--primary);
}

.trust-badge span {
    color: rgba(255, 255, 255, 0.65);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.section {
    padding: var(--section-py) 20px;
}

.section-white {
    background: var(--bg-white);
}

.section-light {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 56px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.section-intro {
    font-size: 17px;
    color: var(--text);
    line-height: 1.7;
}

.value-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    height: 100%;
    transition: all 0.4s var(--ease);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.value-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.4s var(--ease);
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.value-card:hover::after {
    transform: scaleX(1);
}

.card-illust {
    margin-bottom: 20px;
}

.card-illust-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: var(--radius);
}

.card-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.card-text {
    font-size: 16px;
    color: var(--text);
    line-height: 1.7;
    margin: 0;
}

.sector-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    height: 100%;
    transition: all 0.4s var(--ease);
    overflow: hidden;
}

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

.sector-illust {
    text-align: center;
    margin-bottom: 20px;
    padding: 12px;
    background: var(--bg-white);
    border-radius: var(--radius);
}

.sector-illust-img {
    width: 100%;
    max-width: 160px;
    height: 140px;
    object-fit: contain;
}

.sector-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.sector-detail p {
    font-size: 15px;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.7;
}

.sector-detail p:last-child {
    margin-bottom: 0;
}

.eco-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.eco-step {
    display: flex;
    gap: 28px;
    margin-bottom: 0;
}

.eco-step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    width: 48px;
}

.eco-step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.eco-step-line {
    width: 2px;
    flex: 1;
    background: var(--border);
    margin: 0;
}

.eco-step-card {
    flex: 1;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    transition: all 0.35s var(--ease);
}

.eco-step-card:hover {
    box-shadow: var(--shadow);
    border-color: rgba(255, 77, 0, 0.3);
}

.eco-step-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.eco-step-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.eco-step-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.eco-step-intro {
    font-size: 15px;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 18px;
}

.eco-step-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.eco-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 16px;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 3px solid var(--primary);
}

.eco-item-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
}

.eco-item-desc {
    font-size: 14px;
    color: var(--text);
    line-height: 1.6;
}

.eco-step-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.eco-step-keywords .kw-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 14px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
    letter-spacing: 0.2px;
}

.eco-step-keywords .kw-tag .verified-badge {
    flex-shrink: 0;
}

.advantage-grid {
    display: flex;
    align-items: stretch;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.advantage-col {
    flex: 1;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.35s var(--ease);
}

.advantage-col:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.advantage-col-header {
    padding: 28px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.advantage-gov {
    background: var(--dark);
    color: #fff;
}

.advantage-gov h3 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.advantage-gov i {
    font-size: 28px;
    color: var(--primary);
}

.advantage-priv {
    background: var(--primary);
    color: #fff;
}

.advantage-priv h3 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.advantage-priv i {
    font-size: 28px;
    color: #fff;
}

.advantage-col-body {
    padding: 8px 0;
}

.advantage-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}

.advantage-row:last-child {
    border-bottom: none;
}

.advantage-category {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.advantage-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.advantage-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    flex-shrink: 0;
    z-index: 2;
    margin: 0 -12px;
    align-self: center;
}

.advantage-vs span {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    color: var(--text-light);
    box-shadow: var(--shadow-sm);
}

.section-cta {
    background: var(--dark);
    padding: var(--section-py) 20px;
}

.cta-title {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.cta-body {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 32px;
}

.cta-contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cta-contact-row {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 15px;
}

.cta-contact-row i {
    color: var(--primary);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.lead-form {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.lead-form .form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}

.required {
    color: var(--primary);
}

.lead-form .form-control,
.lead-form .form-select {
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--dark);
    background: var(--bg-white);
    transition: all 0.3s var(--ease);
    font-family: inherit;
}

.lead-form .form-control:focus,
.lead-form .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.12);
    outline: none;
}

.lead-form .form-control::placeholder {
    color: var(--text-light);
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 24px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    font-family: inherit;
}

.btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.form-success {
    text-align: center;
    padding: 60px 20px;
}

.form-success i {
    font-size: 48px;
    color: var(--success);
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 24px;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text);
}

@media (max-width: 1024px) {
    :root {
        --section-py: 80px;
    }

    .header-inner {
        padding: 0 24px;
    }

    .header-nav,
    .header-actions {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-headline {
        font-size: 46px;
    }

    .section-title {
        font-size: 34px;
    }

    .advantage-grid {
        flex-direction: column;
        gap: 16px;
        max-width: 440px;
    }

    .advantage-vs {
        margin: -12px auto;
        width: auto;
        align-self: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-py: 64px;
    }

    .header-inner {
        height: 60px;
        padding: 0 16px;
    }

    .logo-img {
        height: 32px;
    }

    .hero-section {
        min-height: auto;
        padding-top: 60px;
    }

    .hero-content {
        padding-top: 48px;
        padding-bottom: 32px;
    }

    .hero-headline {
        font-size: 36px;
        letter-spacing: -1px;
    }

    .hero-subheadline {
        font-size: 16px;
        margin-bottom: 28px;
    }

    .btn-primary-lg {
        width: 100%;
        justify-content: center;
        padding: 14px 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-intro {
        font-size: 16px;
    }

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

    .eco-step {
        flex-direction: column;
        gap: 0;
    }

    .eco-step-indicator {
        flex-direction: row;
        gap: 0;
        width: auto;
        margin-bottom: 12px;
    }

    .eco-step-line {
        display: none;
    }

    .eco-step-card {
        margin-bottom: 16px;
        padding: 24px;
    }

    .advantage-grid {
        flex-direction: column;
        gap: 16px;
    }

    .advantage-vs {
        margin: -12px auto;
    }

    .lead-form {
        padding: 24px;
    }

    .cta-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 30px;
    }

    .section-title {
        font-size: 24px;
    }

    .value-card,
    .sector-card {
        padding: 24px 20px;
    }

    .eco-step-card {
        padding: 20px;
    }
}