:root {
    --red: #e5262d;
    --red-dark: #b81720;
    --green: #0f8a48;
    --green-dark: #076335;
    --ink: #14213d;
    --muted: #64748b;
    --line: #e2e8f0;
    --paper: #ffffff;
    --soft: #f6f9fb;
    --gold: #f7b731;
    --shadow: 0 24px 60px rgba(15, 34, 61, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Nunito, Arial, sans-serif;
    background: var(--paper);
    line-height: 1.6;
}

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

@keyframes blob {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.card-hover {
    transition: transform .3s ease, box-shadow .3s ease;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(217, 48, 37, .2);
}

.price-table th {
    border: 1px solid #ffdede;
    color: #fff;
}

.price-table td {
    border: 1px solid #f3f4f6;
    padding: 12px 8px;
    text-align: center;
}

.price-table tbody td:first-child,
.price-table tbody td:nth-child(2) {
    background: inherit;
}

.price-table tr:hover td {
    background-color: #fff7ed;
}

.editable-content {
    color: #4b5563;
}

.editable-content h1,
.editable-content h2,
.editable-content h3 {
    color: #111827;
    font-weight: 800;
    margin-bottom: .75rem;
}

@keyframes vchv-ticker {
    0% {
        transform: translateX(100vw);
    }
    100% {
        transform: translateX(-100%);
    }
}

.ticker-wrap .animate-ticker {
    width: max-content;
    min-width: max-content;
    animation: vchv-ticker 30s linear infinite;
    will-change: transform;
}

.ticker-wrap:hover .animate-ticker {
    animation-play-state: paused;
}

.vchv-about-hero {
    background: #111827;
}

.vchv-about-hero__overlay {
    background: linear-gradient(90deg, rgba(3, 7, 18, .95), rgba(69, 10, 10, .7));
}

.vchv-pricing-hero {
    background: #111827;
}

.vchv-pricing-hero__overlay {
    background: linear-gradient(90deg, rgba(69, 10, 10, .7), rgba(124, 45, 18, .6));
}

.vchv-pricing-cta {
    background: linear-gradient(135deg, #111827, #450a0a);
}

.vchv-blog-hero {
    background: #111827;
}

.vchv-blog-hero__image {
    background-image: url("https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1600&q=80");
    background-position: center;
    background-size: cover;
}

.vchv-blog-hero__overlay {
    background: linear-gradient(90deg, rgba(3, 7, 18, .9), rgba(69, 10, 10, .6));
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.page-numbers {
    display: flex;
    gap: .5rem;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.page-numbers a,
.page-numbers span {
    display: inline-flex;
    min-width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    border: 1px solid #e5e7eb;
    border-radius: 999px;
    color: #4b5563;
    font-weight: 800;
    background: #fff;
}

.page-numbers .current {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, #D93025, #F97316);
}

.price-table thead th {
    background-color: #D93025;
    color: #fff;
}

.price-table thead th.bg-orange-600 {
    background-color: #ea580c !important;
}

.price-table thead th.bg-red-700 {
    background-color: #b91c1c !important;
}

.price-table thead th.bg-orange-500 {
    background-color: #f97316 !important;
}

.price-table thead th.bg-gray-800 {
    background-color: #1f2937 !important;
}

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

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
    backdrop-filter: blur(14px);
}

.notice-bar {
    background: linear-gradient(90deg, var(--green-dark), var(--green), var(--red));
    color: #fff;
    font-size: 13px;
}

.notice-inner {
    min-height: 36px;
    display: flex;
    gap: 18px;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-wrap: wrap;
}

.nav-shell {
    min-height: 82px;
    display: flex;
    align-items: center;
    gap: 26px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
}

.brand-mark {
    width: 48px;
    height: 48px;
    display: inline-grid;
    place-items: center;
    border-radius: 8px;
    color: #fff;
    font-weight: 900;
    letter-spacing: 0;
    background: linear-gradient(135deg, var(--red), var(--green));
    box-shadow: 0 12px 30px rgba(229, 38, 45, 0.24);
}

.brand strong {
    display: block;
    color: var(--red);
    font-size: 18px;
    line-height: 1.15;
}

.brand small {
    display: block;
    color: var(--green-dark);
    font-weight: 700;
    font-size: 12px;
}

.primary-nav {
    margin-left: auto;
}

.site-menu,
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.site-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: 6px;
    color: #334155;
    font-weight: 700;
    font-size: 14px;
}

.site-menu a:hover {
    color: var(--red);
    background: #fff1f2;
}

.order-button,
.button,
.consult-form button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 6px;
    padding: 0 18px;
    color: #fff;
    font-weight: 800;
    cursor: pointer;
    background: var(--red);
    box-shadow: 0 12px 28px rgba(229, 38, 45, 0.24);
}

.order-button:hover,
.button.primary:hover,
.consult-form button:hover {
    background: var(--red-dark);
}

.button.light {
    color: var(--green-dark);
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(15, 138, 72, 0.2);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: var(--ink);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 82px 0 70px;
    color: #fff;
    background:
        linear-gradient(135deg, rgba(7, 99, 53, 0.96), rgba(15, 138, 72, 0.88) 48%, rgba(229, 38, 45, 0.9)),
        url("https://images.unsplash.com/photo-1494412685616-a5d310fbb07d?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 90px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.18));
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 56px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    color: var(--red);
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
    background: #fff;
}

.section .eyebrow {
    color: var(--green-dark);
    background: #e9f8ef;
}

.hero h1 {
    margin: 18px 0 18px;
    max-width: 740px;
    font-size: clamp(42px, 7vw, 78px);
    line-height: 0.98;
    letter-spacing: 0;
}

.hero p {
    max-width: 720px;
    margin: 0 0 28px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 34px;
}

.hero-stats div {
    min-height: 94px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
}

.hero-stats strong {
    display: block;
    font-size: 25px;
    line-height: 1.2;
}

.hero-stats span {
    color: rgba(255, 255, 255, 0.82);
    font-weight: 600;
}

.hero-media {
    position: relative;
}

.hero-media img {
    width: 100%;
    aspect-ratio: 5 / 4;
    object-fit: cover;
    border: 10px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.media-badge {
    position: absolute;
    right: 24px;
    bottom: 24px;
    min-width: 210px;
    padding: 18px;
    border-radius: 8px;
    color: var(--ink);
    background: #fff;
    box-shadow: var(--shadow);
}

.media-badge strong,
.media-badge span {
    display: block;
}

.media-badge span {
    color: var(--green-dark);
    font-weight: 800;
}

.section {
    padding: 86px 0;
}

.section-heading {
    max-width: 720px;
    margin: 0 auto 46px;
    text-align: center;
}

.section-heading h2 {
    margin: 14px 0 10px;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.05;
    letter-spacing: 0;
}

.section-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.history {
    background: var(--soft);
}

.timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.timeline-card,
.feature-grid article,
.policy-box,
.consult-form,
.content-area {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 16px 44px rgba(15, 34, 61, 0.08);
}

.timeline-card {
    min-height: 190px;
    padding: 24px;
}

.timeline-card span {
    color: var(--red);
    font-size: 32px;
    font-weight: 900;
}

.timeline-card h3,
.feature-grid h3 {
    margin: 8px 0;
    font-size: 21px;
}

.timeline-card p,
.feature-grid p {
    margin: 0;
    color: var(--muted);
}

.why {
    background: #fff;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.feature-grid article {
    padding: 28px;
}

.feature-icon {
    display: inline-grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 8px;
    color: #fff;
    font-weight: 900;
    background: var(--green);
}

.pricing {
    background: linear-gradient(135deg, var(--green-dark), #102a43 54%, var(--red-dark));
}

.light-heading {
    color: #fff;
}

.light-heading p {
    color: rgba(255, 255, 255, 0.78);
}

.table-wrap {
    overflow-x: auto;
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    min-width: 1080px;
    border-collapse: collapse;
}

th,
td {
    padding: 15px 14px;
    border: 1px solid #dbe3ef;
    text-align: center;
    font-size: 14px;
}

th {
    color: #fff;
    text-transform: uppercase;
    background: var(--red);
}

tbody td:first-child,
tbody td:nth-child(2) {
    font-weight: 800;
    color: var(--green-dark);
    background: #f0fbf4;
}

.policy-box {
    margin-top: 24px;
    padding: 26px;
}

.policy-box h3 {
    margin: 0 0 14px;
    color: var(--red);
    text-transform: uppercase;
}

.policy-box ul {
    margin: 0;
    padding-left: 22px;
}

.policy-box li + li {
    margin-top: 8px;
}

.contact {
    background: linear-gradient(180deg, #fff, #f6f9fb);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: start;
}

.contact-copy h2 {
    margin: 14px 0;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.06;
}

.contact-copy p {
    margin: 0 0 24px;
    color: var(--muted);
}

.contact-cards {
    display: grid;
    gap: 12px;
}

.contact-cards a {
    display: block;
    padding: 18px;
    border-left: 4px solid var(--red);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 12px 34px rgba(15, 34, 61, 0.08);
}

.contact-cards strong,
.contact-cards span {
    display: block;
}

.contact-cards strong {
    color: var(--red);
    font-size: 23px;
}

.contact-cards span {
    color: var(--muted);
    font-weight: 700;
}

.consult-form {
    display: grid;
    gap: 16px;
    padding: 28px;
}

.consult-form label {
    display: grid;
    gap: 8px;
    color: #334155;
    font-weight: 800;
}

.consult-form input,
.consult-form textarea {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 14px 15px;
    color: var(--ink);
    font: inherit;
    background: #fff;
}

.consult-form input:focus,
.consult-form textarea:focus {
    outline: 3px solid rgba(15, 138, 72, 0.16);
    border-color: var(--green);
}

.consult-form button {
    width: 100%;
    min-height: 54px;
    font-size: 16px;
}

.site-footer {
    color: #dbeafe;
    background: #0b1727;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    padding: 58px 0 42px;
}

.footer-brand h2,
.site-footer h3 {
    margin: 14px 0 12px;
    color: #fff;
}

.site-footer p {
    margin: 0;
    color: #b7c4d6;
}

.contact-list,
.footer-links {
    display: grid;
    gap: 9px;
    color: #b7c4d6;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer a:hover {
    color: #fff;
}

.socials {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.socials a {
    min-height: 38px;
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 6px;
    color: #fff;
}

.copyright {
    padding: 18px 16px;
    color: #94a3b8;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.floating-zalo {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 60;
    display: grid;
    width: 62px;
    height: 62px;
    place-items: center;
    border-radius: 999px;
    color: #fff;
    font-weight: 900;
    background: #0068ff;
    box-shadow: 0 16px 32px rgba(0, 104, 255, 0.32);
}

.page-section {
    padding-top: 140px;
    background: var(--soft);
}

.content-area {
    padding: 34px;
}

.entry h1 {
    margin-top: 0;
}

.sub-hero,
.article-hero {
    position: relative;
    overflow: hidden;
    padding: 94px 0 78px;
    color: #fff;
    background: linear-gradient(135deg, var(--green-dark), #12324a 58%, var(--red-dark));
}

.image-hero {
    min-height: 440px;
    display: grid;
    align-items: end;
}

.image-hero > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(7, 99, 53, 0.92), rgba(20, 33, 61, 0.62), rgba(229, 38, 45, 0.46));
}

.sub-hero-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.sub-hero h1,
.article-hero h1 {
    margin: 16px 0;
    max-width: 920px;
    font-size: clamp(38px, 6vw, 68px);
    line-height: 1.02;
    letter-spacing: 0;
}

.sub-hero p,
.article-hero p {
    max-width: 720px;
    margin: 0;
    color: rgba(255, 255, 255, 0.84);
    font-size: 18px;
}

.split-grid,
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 40px;
    align-items: start;
}

.split-grid h2 {
    margin: 16px 0;
    font-size: clamp(32px, 5vw, 50px);
    line-height: 1.08;
}

.split-grid p {
    color: var(--muted);
}

.metric-grid,
.summary-grid,
.comp-grid {
    display: grid;
    gap: 16px;
}

.metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-grid article,
.summary-grid article,
.contact-info-list article,
.post-grid article,
.featured-post,
.article-sidebar,
.article-cta,
.alert-box,
.comp-grid article {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 16px 44px rgba(15, 34, 61, 0.08);
}

.metric-grid article,
.summary-grid article,
.contact-info-list article,
.post-grid article,
.article-sidebar,
.article-cta,
.alert-box,
.comp-grid article {
    padding: 24px;
}

.metric-grid strong,
.summary-grid strong {
    display: block;
    color: var(--red);
    font-size: 38px;
    line-height: 1;
}

.metric-grid span {
    color: var(--muted);
    font-weight: 800;
}

.summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 24px;
}

.summary-grid h2 {
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 17px;
}

.cta-band {
    padding: 56px 0;
    color: #fff;
    background: linear-gradient(90deg, var(--red-dark), var(--green-dark));
}

.cta-band .container {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.cta-band h2 {
    flex: 1 1 320px;
    margin: 0;
    font-size: 32px;
}

.cta-band p {
    flex: 1 1 280px;
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
}

.featured-post {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 28px;
    align-items: center;
    padding: 28px;
    margin-bottom: 24px;
}

.featured-post h2 {
    margin: 14px 0 10px;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.08;
}

.featured-post p,
.post-grid p {
    color: var(--muted);
}

.featured-post img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 8px;
}

.category-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 0 0 24px;
}

.category-pills span {
    padding: 8px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--green-dark);
    font-weight: 800;
    background: #f0fbf4;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.post-grid article > span {
    color: var(--red);
    font-size: 13px;
    font-weight: 900;
}

.post-grid h2 {
    margin: 8px 0;
    font-size: 25px;
    line-height: 1.18;
}

.post-grid footer {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    color: var(--muted);
    font-weight: 800;
}

.post-grid footer a {
    color: var(--green-dark);
}

.breadcrumbs {
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.78);
    font-weight: 700;
}

.post-meta {
    margin-top: 18px;
    color: rgba(255, 255, 255, 0.74);
    font-weight: 800;
}

.article-content {
    min-width: 0;
}

.article-content,
.policy-page .article-content {
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 16px 44px rgba(15, 34, 61, 0.08);
}

.article-cover {
    width: 100%;
    aspect-ratio: 16 / 8;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 28px;
}

.article-content h2 {
    margin: 26px 0 10px;
    font-size: 30px;
    line-height: 1.18;
}

.article-content h3 {
    margin: 22px 0 8px;
    font-size: 22px;
}

.article-content p,
.article-content li,
.article-sidebar p {
    color: var(--muted);
}

.article-content li + li {
    margin-top: 8px;
}

.article-sidebar {
    position: sticky;
    top: 130px;
    display: grid;
    gap: 12px;
}

.article-sidebar h2 {
    margin: 0;
    font-size: 22px;
}

.article-sidebar a:not(.button) {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    color: var(--green-dark);
    font-weight: 800;
}

.article-sidebar strong {
    color: var(--red);
    font-size: 26px;
}

.article-cta {
    margin-top: 30px;
    padding: 26px;
    background: #f0fbf4;
}

.article-cta h3 {
    margin-top: 0;
}

.alert-box {
    border-color: rgba(229, 38, 45, 0.25);
    background: #fff1f2;
}

.alert-box strong {
    color: var(--red);
}

.comp-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-info-list {
    display: grid;
    gap: 16px;
}

.contact-info-list h2 {
    margin: 0 0 8px;
    font-size: 22px;
}

.contact-info-list strong {
    color: var(--red);
    font-size: 30px;
}

.align-left {
    margin-left: 0;
    text-align: left;
}

@media (max-width: 1024px) {
    .nav-shell {
        min-height: 72px;
    }

    .menu-toggle {
        display: inline-block;
        margin-left: auto;
    }

    .primary-nav {
        position: absolute;
        top: 108px;
        left: 16px;
        right: 16px;
        display: none;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
        box-shadow: var(--shadow);
    }

    .primary-nav.is-open {
        display: block;
    }

    .site-menu {
        display: grid;
        gap: 2px;
    }

    .order-button {
        display: none;
    }

    .hero-grid,
    .contact-grid,
    .split-grid,
    .article-layout,
    .featured-post {
        grid-template-columns: 1fr;
    }

    .timeline,
    .feature-grid,
    .summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .article-sidebar {
        position: static;
    }
}

@media (max-width: 700px) {
    .notice-inner {
        gap: 8px;
        padding: 8px 0;
    }

    .brand small {
        display: none;
    }

    .hero {
        padding: 54px 0 48px;
    }

    .hero-grid {
        gap: 30px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-actions,
    .button {
        width: 100%;
    }

    .hero-stats,
    .timeline,
    .feature-grid,
    .footer-grid,
    .metric-grid,
    .summary-grid,
    .post-grid,
    .comp-grid {
        grid-template-columns: 1fr;
    }

    .media-badge {
        position: static;
        margin-top: 12px;
    }

    .section {
        padding: 58px 0;
    }

    .sub-hero,
    .article-hero {
        padding: 58px 0 50px;
    }

    .image-hero {
        min-height: 380px;
    }

    .section-heading {
        text-align: left;
    }

    .consult-form,
    .policy-box,
    .content-area,
    .article-content {
        padding: 20px;
    }

    .floating-zalo {
        width: 54px;
        height: 54px;
    }
}