/* ========================================================
   1. KHAI BÁO BIẾN (VARIABLES) & ĐỊNH DẠNG CƠ BẢN
   ======================================================== */
:root {
  /* Biến từ CSS 1 */
  --primary: #0f5132;
  --primary-light: #157347;
  --primary-dark: #0a3622;
  --danger: #dc3545;
  --danger-dark: #d60000;
  --link: #f8f9fa;
  --link-default: #157347;
  --text-dark: #212529;
  --text-light: #495057;
  --bg: #fff;
  --bg-light: #f8f9fa;
  --bg-breadcrumb: #e9ecef;
  --bg-banner: #0b2240;
  --bg-hotline: #ffd500;
  --text-hotline: #111;
  --color-cyan: #05fdfd;
  --color-yellow: #ffe26d;
  --color-h1: #dc3545;
  --color-h4: #198754;
  --color-star: #ffc107;
  --border-light: #dee2e6;
  --radius: .375rem;
  --radius-circle: 50%;
  --font-base: 1.125rem;
  --font-sans: Roboto, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif;
  --color-animation: rgba(21, 115, 71, 0.4);
  --color-animation-right: rgba(25, 135, 84, 0.8);
  --shadow: 0 4px 10px rgba(0, 0, 0, .08);
  --shadow-box: 6px 6px 6px rgba(0, 0, 0, 0.08);
  --shadow-bottom-contact: 2px 1px 9px rgba(0, 0, 0, .08);
  --z-navbar: 98;
  --z-collapse: 99;
  --z-header: 1000;
  --z-fixright: 1000;
  --shadow-banner-text: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-banner-title: 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-banner-btn: 0 10px 25px rgba(0, 0, 0, 0.28);
  --shadow-banner-img: drop-shadow(0 20px 25px rgba(0, 0, 0, 0.45));
  --gradient-banner-desktop: linear-gradient(90deg, rgba(0, 0, 0, 0.48) 0%, rgba(0, 0, 0, 0.22) 45%, rgba(255, 255, 255, 0) 75%);
  --gradient-banner-mobile: linear-gradient(180deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.3) 100%);
  
  /* Biến bổ sung từ CSS 2 */
  --success: #198754;
  --link-hover: #ffc107;
  --color-blue-hover: #184b9b;
  --border-divider: #eee;
  --color-h3: #146c43;
  --tap-highlight: #fff0;
  --transition: all .3s ease;
  --shadow-hover: 0 8px 20px rgba(0, 0, 0, .15);
}

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

@media (prefers-reduced-motion: no-preference) {
  :root { scroll-behavior: smooth; }
}

body {
  margin: 0;
  padding: 0 6px;
  background: var(--bg);
  color: var(--text-dark);
  font-family: var(--font-sans);
  font-size: var(--font-base);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: var(--tap-highlight);
}

/* ========================================================
   2. TYPOGRAPHY & LAYOUT CHUNG
   ======================================================== */
h1, h2, h3, h4, h5, h6 { margin: 0 0 .5rem; font-weight: 700; line-height: 1.2; text-transform: capitalize; }
h1 { color: var(--color-h1); font-size: 36px; text-align: center; }
h2 { color: var(--primary); font-size: 28px; }
h3 { color: var(--color-h3); font-size: 26px; }
h4 { color: var(--color-h4); font-size: 24px; }
h5 { color: var(--primary-light); font-size: 22px; }
h6 { color: var(--success); font-size: 20px; }

p { margin-bottom: 1rem; }
strong, b { font-weight: bolder; }
small { font-size: .875em; }
address { margin-bottom: 1rem; }

a { color: var(--link-default); text-decoration: none; font-weight: 700; word-break: break-word; }
a:hover { color: var(--danger); }

img, svg { vertical-align: middle; }
.text-center { text-align: center !important; }

/* Grid System */
.container-fluid { width: 100%; padding: 0 .75rem; margin: 0 auto; }
.row { display: flex; flex-wrap: wrap; margin: 0 -.75rem; }
.row > * { flex-shrink: 0; width: 100%; max-width: 100%; padding: 0 .75rem; }
.col-12 { width: 100%; }
.col-lg-4, .col-md-12, .col-md-6, .col-xl-4 { width: 100%; margin-bottom: 1.5rem; }

header { margin: 0; padding: 0; width: 100%; z-index: var(--z-header); }
.section-divider { margin: 9px 0; border: 0; border-top: 2px solid var(--border-divider); clear: both; }

/* ========================================================
   3. HÌNH ẢNH & HIỆU ỨNG HOVER
   ======================================================== */
.img-fluid { max-width: 100%; height: auto; }
.img-center { display: block; margin: 0 auto; }
.img-border { border-radius: 10px; border: 1px solid var(--border-light); }

.img-full { 
  max-width: 100%; height: auto; display: block; 
  border: 1px solid var(--border-light); border-radius: 10px; 
  box-shadow: var(--shadow); object-fit: cover; margin: 0 auto;
  will-change: transform; transition: transform .3s ease-in-out; 
}
.img-icon-39 { height: 39px; width: 39px; object-fit: contain; }

/* Hiệu ứng hover hình ảnh tổng hợp */
.img-fluid:hover, .img-full:hover, .service-content img:hover { 
  box-shadow: var(--shadow-hover); transform: translateY(-2px); 
}

/* ========================================================
   4. BANNER CHUNG
   ======================================================== */
.dynamic-banner-wrapper { position: relative; width: 100%; overflow: hidden; background: var(--bg-banner); aspect-ratio: 1920 / 350; }
.banner-img-bg { width: 100%; height: 100%; display: block; object-fit: cover; }
.banner-overlay-content { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: var(--gradient-banner-desktop); }
.banner-inner { width: 100%; max-width: 1400px; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; height: 100%; }
.banner-text-box { max-width: 58%; color: var(--bg); }
.banner-tag { display: inline-block; padding: 8px 20px; background: var(--primary); color: var(--bg); border-radius: 30px; font-size: 13.5px; font-weight: 700; letter-spacing: .5px; margin-bottom: 14px; text-shadow: var(--shadow-banner-text); }
.banner-title { margin: 0 0 12px 0; font-size: clamp(28px, 2.8vw, 52px); font-weight: 800; line-height: 1.15; text-transform: uppercase; color: var(--color-h1); text-shadow: var(--shadow-banner-title); }
.banner-slogan-top { margin: 16px 0 26px; font-size: clamp(15.5px, 1.3vw, 22px); color: var(--color-cyan); font-weight: 600; }
.banner-btn-hotline { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; background: var(--primary); color: var(--bg); border-radius: 50px; font-size: 18px; font-weight: 800; text-decoration: none; box-shadow: var(--shadow-banner-btn); transition: all 0.25s ease; }
.banner-btn-hotline:hover { background: var(--bg); color: var(--danger-dark); transform: translateY(-3px); }
.banner-product-box { flex: 0 0 auto; width: 36%; display: flex; justify-content: center; align-items: center; }
.banner-product-box img { max-height: 290px; width: auto; object-fit: contain; filter: var(--shadow-banner-img); }

/* ========================================================
   5. NAVBAR & DROPDOWN MÊNU
   ======================================================== */
.navbar { align-items: center; background: var(--primary); border-radius: var(--radius); display: flex; flex-wrap: wrap; justify-content: space-between; margin-top: 10px; min-height: 62px; padding: .5rem 0; position: relative; z-index: var(--z-navbar); }
.navbar .navbar-nav { padding-left: 16px; }
.navbar > .container-fluid { align-items: center; display: flex; flex-wrap: inherit; justify-content: space-between; }
.navbar-nav { display: flex; flex-direction: column; list-style: none; margin: 0; padding-left: 0; }
.navbar a { color: var(--link) !important; font-size: 16px !important; font-weight: 700; text-transform: uppercase; }
.navbar .nav-link { margin-top: .5rem; padding: .5rem; }
.navbar .nav-item { margin-right: 12px !important; }
.navbar .navbar-nav .dropdown-menu { background: var(--primary-light); border: 1px solid var(--border-light); border-radius: var(--radius); padding: .5rem 0; position: absolute; z-index: var(--z-header); }
.navbar .navbar-nav .dropdown-menu li { list-style: none; padding: .46rem; }
.navbar .navbar-nav .dropdown-menu li a:hover, .navbar .navbar-nav .nav-link:hover { background-color: var(--danger); color: var(--bg); }
.navbar-toggler { background: var(--primary-light); border: 1px solid var(--border-light); border-radius: var(--radius); font-size: 1.40625rem; margin-left: 16px; padding: .25rem .75rem; }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23ffffff' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"); background-position: 50%; background-repeat: no-repeat; background-size: 100%; height: 1.5em; width: 1.5em; display: inline-block; vertical-align: middle; }
.navbar-collapse { align-items: center; flex-basis: 100%; flex-grow: 1; }

.dropdown-menu { opacity: 0; transform: translateY(10px); pointer-events: none; transition: .2s ease; }
.dropdown-menu.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.collapse:not(.show) { display: none; }

/* ========================================================
   6. CHI TIẾT SẢN PHẨM & DỊCH VỤ (SERVICES)
   ======================================================== */
.card { background: var(--bg); border: 1px solid var(--border-light); border-radius: var(--radius); display: flex; flex-direction: column; color: var(--text-dark); }
.card-header { background: var(--primary); color: var(--bg); padding: .5rem 1rem; border-bottom: 1px solid var(--border-light); border-radius: var(--radius) var(--radius) 0 0; }
.card-header h3 { color: var(--bg); margin: 10px; font-size: 100%; font-weight: 700; }
.card-body { padding: 1rem; flex: 1 1 auto; }

.breadcrumb { background: var(--bg-breadcrumb); border-radius: var(--radius); font-weight: 700; margin-bottom: 12px; }
.service-repair { margin: 0; word-spacing: 2px; }

/* Khối Services Repair từ CSS 2 */
.services-repair { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 -5px; }
.service { border: 1px solid var(--border-light); border-radius: 12px; box-sizing: border-box; display: flex; flex-direction: column; padding: 15px 10px; text-align: center; max-height: 666px !important; }
.service img { width: 100%; max-width: 180px; margin: 8px auto; aspect-ratio: 1/1; object-fit: cover; }
.service .view-details { font-size: 80%; margin-top: auto !important; padding-top: 10px; }
.describe-service img { height: 199px; width: 199px; }

/* Khối nội dung bài viết dính kèm ảnh */
.service-content { content-visibility: auto; contain-intrinsic-size: auto 2000px; }
.service-content img { max-width: 100%; height: auto; display: block; margin: 0 auto; border: 1px solid var(--border-light); border-radius: 10px; box-shadow: var(--shadow); transition: var(--transition); object-fit: cover; }

/* Khối sản phẩm liên quan */
.related-service-with-product { background: var(--bg-light); border: 1px solid var(--border-light); float: left; margin: 1.2% 0 1.2% .8%; max-height: 526px; padding: 16px; text-align: center; width: 98%; box-sizing: border-box; }
.related-service-with-product img { width: 100%; max-width: 180px; height: auto; aspect-ratio: 1/1; object-fit: cover; display: block; margin: 0 auto; }
.related-service-with-product .title { color: var(--primary); font-weight: 700; margin: 2px; text-align: center; }
.related-service-with-product a { margin-top: 10px; }
.related-service-with-product .img { padding-top: 10px; padding-bottom: 10px; }

/* Phân trang (Pagination) */
.pagination { clear: both; display: flex; flex-wrap: wrap; justify-content: center; list-style: none; margin-top: 20px; padding: 0; width: 100%; }
.pagination li { margin: 0 3px; }
.pagination .page-link { border: 1px solid var(--primary-light); border-radius: 5px; color: var(--primary); display: inline-block; padding: 8px 12px; text-decoration: none; transition: background .3s; }
.pagination .page-link:hover { background: var(--primary-light); color: var(--bg); }
.pagination .active .page-link { background: var(--danger); border-color: var(--danger); color: var(--bg); }

/* Câu hỏi thường gặp (FAQ) */
.service-faq { border-bottom: 1px solid var(--border-light); width: 100%; margin: 0 auto; }
.service-faq input[type=checkbox] { display: none; }
.service-faq .answer { display: none; background: var(--bg); color: var(--text-light); padding: 15px; font-size: 16px; line-height: 1.6; }
.service-faq .question { background: var(--bg-light); color: var(--text-dark); padding: 15px !important; font-weight: normal !important; font-size: 18px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; will-change: transform; transition: background-color .3s ease; }
.service-faq .question::after { content: ""; border: solid var(--text-dark); border-width: 0 2px 2px 0; padding: 5px; transform: rotate(45deg); transition: transform .3s; }
.service-faq input[type=checkbox]:checked + .question { color: var(--danger); font-weight: bold !important; }
.service-faq input[type=checkbox]:checked + .question::after { transform: rotate(225deg); }
.service-faq input[type=checkbox]:checked ~ .answer { display: block; }

/* Đánh giá sao (Rating) */
.star { color: var(--link-hover); cursor: pointer; display: inline-block; font-size: 26px !important; transition: color .2s ease-in-out; }
.total-rating { display: inline-flex; gap: 4px !important; }

/* Mục lục bài viết (TOC) */
.article-toc { background: var(--bg-light); border: 1px solid var(--border-light); border-radius: 10px; padding: 20px; margin: 20px 0; }
.article-toc-title { font-size: 22px; font-weight: 700; margin-bottom: 15px; color: var(--primary); }
.article-toc ul { margin: 0; padding-left: 0; list-style: none; }
.article-toc li ul { margin-top: 6px; margin-bottom: 6px; padding-left: 18px; list-style: none; }
.article-toc li { margin-bottom: 10px; line-height: 1.6; }
.article-toc a { font-size: 18px; color: var(--text-dark); text-decoration: none; }
.article-toc a:hover { color: var(--danger); text-decoration: underline; }
.article-toc .toc-h2 > a { font-weight: 600; }
.article-toc .toc-h3 a { font-size: 17px; font-weight: 400; color: var(--text-light); }

/* Sidebar */
#sidebar { background: var(--bg-light); }
#sidebar .right { align-items: center; }
#sidebar .right p { font-size: 1.2em; text-align: center; }
#sidebar .right img { height: 80px; width: 80px; }
#sidebar .right .contact-btn img { width: 39px !important; height: 39px !important; }

/* ========================================================
   7. LIÊN HỆ CỐ ĐỊNH, NÚT NỔI & FOOTER
   ======================================================== */
.contact { display: flex; justify-content: center; align-items: center; gap: 15px; margin: 0 auto; min-height: 60px; width: 100%; padding: 0 15px; box-sizing: border-box; }
.btn-contact { background: var(--primary); color: var(--bg); padding: 10px 15px; border-radius: 4px; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; flex: 1; min-width: 140px; max-width: 189px; white-space: nowrap; text-align: center; transition: var(--transition); }
.btn-contact:hover { background: var(--danger); color: var(--link); }
.icon-contact { width: 24px; height: 24px; fill: var(--bg); margin-right: 8px; flex-shrink: 0; }
.bottom-contact { display: none; }

/* Hiệu ứng vòng tròn nhấp nháy Hotline */
.contact-btn { position: relative; width: 50px; height: 50px; background: 0 0; z-index: 10; cursor: pointer; will-change: transform; }
.contact-btn::after, .contact-btn::before, .contact-circle, .contact-circle-fill { content: ''; position: absolute; top: 50%; left: 50%; width: 60px; height: 60px; background: var(--color-animation); border: 2px solid var(--color-animation-right); border-radius: var(--radius-circle); opacity: .6; transform: translate(-50%, -50%) scale(.35); animation: ripple 2.2s ease-out infinite; pointer-events: none; z-index: -1; }
.contact-btn::after { animation-delay: .73s; }
.contact-circle-fill { animation-delay: 1.46s; }

.contact-img-circle { position: absolute; top: 50%; left: 50%; width: 50px; height: 50px; background: var(--color-animation-right); border-radius: 50%; display: flex; align-items: center; justify-content: center; transform: translate(-50%, -50%); animation: phonering-alo-circle-img-anim 1s ease-in-out infinite; z-index: 1; overflow: hidden; }
.contact-img-circle img { width: 39px !important; height: 39px !important; object-fit: contain; }

.icon-zalo { width: 24px; height: 24px; fill: var(--bg); margin-right: 8px; flex-shrink: 0; }
.icon-zalo:hover { fill: var(--link) !important; }

/* Khối liên hệ bên phải dính màn hình PC */
.box_fixRight { position: fixed; right: -152px; top: 50%; transform: translateY(-50%); width: auto; z-index: var(--z-fixright); transition: all .2s ease-in-out; }
.box_fixRight:hover { right: 0; }
.box_fixRight .box_content { background: var(--bg); border-radius: 10px 0 0 10px; box-shadow: var(--shadow-box); padding: 8px; }
.box_fixRight .item { align-items: center; color: var(--text-dark); display: flex; padding: 8px 12px 6px 6px; text-decoration: none; }
.box_fixRight .item img { height: 39px; width: 39px; }
.box_fixRight .item:hover { color: var(--color-blue-hover); }

/* Nút Back To Top */
#back_to_top { position: fixed; right: 6px; bottom: 79px; opacity: 0; visibility: hidden; transform: translateY(20px) scale(1); pointer-events: none; transition: opacity .25s ease, transform .25s ease; will-change: opacity, transform; }
#back_to_top.visible { opacity: 1; visibility: visible; pointer-events: auto; animation: bounce .45s ease-out; transform: translateY(0) scale(1); }
#back_to_top:hover { opacity: .85; transform: scale(1.08); }

/* Footer chỉnh chu */
#footer { background: var(--primary); color: var(--bg); padding: 20px; text-align: center; margin-top: 10px; }
#footer a { color: var(--link); font-size: 20px; font-weight: 700; margin: 0 10px; text-decoration: none; }
#footer a:hover { background: var(--danger); color: var(--bg); }
#footer ul li { display: inline; padding: 10px; }
#footer h4 { color: var(--bg); font-size: 1.268em; margin-bottom: 10px; }
#footer .footer-address, #footer .footer-support { color: var(--link); }
#footer .icon-footer { fill: var(--bg); width: 1.2em; height: 1.2em; margin-right: 5px; }
#footer .icon-footer:hover { fill: var(--danger); }
#footer .copyright, #footer .slogan { font-size: .78em; font-weight: 700; }

/* ========================================================
   8. TOÀN BỘ GOM NHÓM MEDIA QUERIES (RESPONSIVE)
   ======================================================== */

/* --- MOBILE QUÁ KHỔ NHỎ (< 467px) --- */
@media (max-width: 467px) {
  .service { width: 100% !important; }
}

/* --- MOBILE TẦM TRUNG (468px -> 574px) --- */
@media (min-width: 468px) and (max-width: 574px) {
  .service { width: calc(50% - 5px) !important; }
}

/* --- MOBILE LỚN & ĐẶC THÙ FOOTER (< 575px) --- */
@media (max-width: 575px) {
  #footer ul li { display: block; line-height: 39px; }
  #footer ul li a { display: inline-block; text-align: center; }
}

/* --- PHÂN CHIA HỆ THỐNG SERVICE ĐA MÀN HÌNH (575px -> 1599px) --- */
@media (min-width: 575px) and (max-width: 1599px) {
  .service { width: calc(33.333% - 6.7px) !important; }
}

/* --- MOBILE RESPONSIVE CHUNG (< 699px) --- */
@media (max-width: 699px) {
  .dynamic-banner-wrapper { aspect-ratio: 444 / 259; min-height: 286px; }
  .banner-overlay-content { background: var(--gradient-banner-mobile); }
  .banner-inner { padding: 15px 20px; flex-direction: column; justify-content: center; text-align: center; height: 100%; }
  .banner-text-box { max-width: 100%; margin-bottom: 18px; }
  .banner-title { font-size: 26px; line-height: 1.25; color: var(--color-h1); }
  .banner-slogan-top { font-size: 15px; margin: 12px 0 20px; }
  .banner-btn-hotline { font-size: 17px; padding: 13px 30px; }
  .banner-product-box { display: none !important; } /* Ẩn logo hoàn toàn tránh vỡ layout trên điện thoại */
}

/* --- ĐIỆN THOẠI LỚN & TABLET (< 768px) --- */
@media (max-width: 768px) {
  figure.table { margin-right: .5% !important; margin-left: 0 !important; width: auto !important; max-width: 100% !important; overflow-x: auto !important; }
  figure.table table { min-width: 600px !important; }
}

/* --- TOÀN BỘ KHỐI BOTTOM CONTACT GẮN CHÂN TRANG (< 771px) --- */
@media (max-width: 771px) {
  body { padding-bottom: 36px; }
  .bottom-contact { display: block; position: fixed; bottom: 0; left: 0; width: 100%; background: var(--primary-dark); border-top: 1px solid var(--border-light); box-shadow: var(--shadow-bottom-contact); z-index: 999; padding: 3px 0; }
  .bottom-contact ul { list-style: none; margin: 0; padding: 0; display: flex; justify-content: space-around; align-items: center; }
  .bottom-contact ul li { flex: 1; text-align: center; position: relative; }
  .bottom-contact .contact-btn { width: 52px; height: 52px; margin: 0 auto; position: relative; top: -29px; }
  .bottom-contact ul li span { display: block; color: var(--bg); font-size: 12.99px; font-weight: 700; margin-top: -21.368px; line-height: 1.2; text-shadow: var(--shadow-bottom-contact); z-index: 5; }
  .bottom-contact a { text-decoration: none; display: block; }
  .box_fixRight { display: none !important; }
  .article-toc { padding: 15px; }
  .article-toc-title { font-size: 19px; }
  .article-toc .toc-h2 > a { font-size: 17px; }
  .article-toc .toc-h3 a { font-size: 16px; }
  .describe-article .meta-desc { min-height: 120px; overflow: hidden; }
}

/* --- TABLET HOẶC MÀN HÌNH NHỎ (< 991px) --- */
@media (max-width: 991px) {
  .navbar .nav-item { margin: .75rem 0; }
  .navbar-right-time { margin-top: .5rem; padding-left: 16px; }
  .navbar-collapse { background: var(--primary-light); left: 0; position: absolute; right: 0; top: 100%; z-index: var(--z-collapse); }
}

/* --- MÀN HÌNH LỚN PC TRỞ LÊN (>= 699px) --- */
@media (min-width: 699px) {
  .dynamic-banner-wrapper { aspect-ratio: 1369 / 250; min-height: 286px; }
  .banner-overlay-content { background: var(--gradient-banner-desktop); }
  .banner-inner { flex-direction: row; padding: 0 40px; }
  .banner-text-box { max-width: 58%; text-align: left; }
  .banner-product-box { display: flex !important; width: 36%; }
  .banner-product-box img { max-height: 290px; }
}

/* --- ĐỘ PHÂN GIẢI LAPTOP CHUẨN (>= 768px) --- */
@media (min-width: 768px) {
  .col-md-4 { width: 33.333%; }
  .col-md-6 { width: 50%; }
  .col-md-8 { width: 66.666%; }
  .col-md-12 { width: 100%; }
  #back_to_top { right: 12px; bottom: 12px; }
}

/* --- MÀN HÌNH ĐỂ BÀN CHUẨN (>= 992px) --- */
@media (min-width: 992px) {
  .navbar-expand-lg { flex-wrap: nowrap; justify-content: flex-start; }
  .navbar-expand-lg .navbar-nav { flex-direction: row; }
  .navbar-expand-lg .nav-item { margin-right: 24px; }
  .navbar-expand-lg .navbar-collapse { display: flex !important; }
  .navbar-expand-lg .navbar-toggler { display: none; }
  .navbar-right-time { margin-left: auto; padding-right: 16px; }
  .col-lg-2 { width: 16.666667%; }
  .col-lg-4 { width: 33.333333%; }
  .col-lg-10 { width: 83.333333%; }
}

/* --- MÀN HÌNH DESKTOP LỚN TRÊN 1200px --- */
@media (min-width: 1200px) {
  .col-xl-4 { width: 33.333333%; }
}

/* --- MÀN HÌNH ULTRA-WIDE PC LỚN (Từ 1600px -> 2560px) --- */
@media (min-width: 1600px) and (max-width: 2560px) {
  .service { width: calc(25% - 7.5px) !important; }
}

/* --- MÀN HÌNH TRÊN 2560px --- */
@media (min-width: 2560px) {
  .related-service-with-product { width: 98% !important; }
}
@media (min-width: 2561px) {
  .service { width: calc(20% - 8px) !important; }
}
@media (min-width: 2561px) and (max-width: 3839px) {
  .related-service-with-product { width: 49.2% !important; }
}
@media (min-width: 3840px) {
  .related-service-with-product { width: 32.27% !important; }
}

/* ========================================================
   9. ĐỊNH NGHĨA ANIMATIONS (KEYFRAMES)
   ======================================================== */
@keyframes ripple {
  0% { opacity: .6; transform: translate(-50%, -50%) scale(.35); }
  60% { opacity: .14; transform: translate(-50%, -50%) scale(1.6); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(2.6); }
}

@keyframes phonering-alo-circle-img-anim {
  0%, 100% { transform: translate(-50%, -50%) rotate(0); }
  10%, 30% { transform: translate(-50%, -50%) rotate(-25deg); }
  20%, 40% { transform: translate(-50%, -50%) rotate(25deg); }
  50% { transform: translate(-50%, -50%) rotate(0); }
}

@keyframes bounce {
  0% { transform: scale(1); }
  60% { transform: scale(1.26); }
  80% { transform: scale(.98); }
  100% { transform: scale(1.18); }
}