/* Trang chủ giới thiệu. Mọi lớp bọc trong .tg để không đụng giao diện bên trong phần mềm. Màu lấy từ biến ở app.css. */
html { scroll-behavior: smooth; }
.tg { background: #fff; color: var(--chu); font-size: 16px; line-height: 1.55; overflow-x: clip; }
.tg-rong { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.tg-hep { max-width: 820px; }
.tg h2 { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.18; letter-spacing: -.03em; font-weight: 800; margin: 0 0 28px; text-wrap: balance; max-width: 22em; }
.tg h3 { font-size: 18px; font-weight: 800; margin: 0 0 6px; }
.tg p { margin: 0; }
.tg a:hover { text-decoration: none; }

/* Nút */
.tg-nut { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 0 18px; border-radius: 12px; background: var(--xanh); color: #fff; font-weight: 700; font-size: 14.5px; border: 1.5px solid var(--xanh); white-space: nowrap; transition: background .12s, transform .06s, box-shadow .12s; }
.tg-nut:hover { background: var(--xanh-dam); border-color: var(--xanh-dam); color: #fff; }
.tg-nut:active { transform: translateY(1px); }
.tg-nut-vien { background: transparent; color: var(--chu); border-color: var(--vien-dam); }
.tg-nut-vien:hover { background: var(--vien-nhat); color: var(--chu); border-color: var(--vien-dam); }
.tg-nut-lon { min-height: 56px; padding: 0 26px; font-size: 17px; border-radius: 16px; box-shadow: 0 10px 24px -10px rgba(2,102,252,.7); }
.tg-nut-trang { background: #fff; color: var(--xanh-dam); border-color: #fff; box-shadow: none; }
.tg-nut-trang:hover { background: var(--xanh-nhat); color: var(--xanh-dam); border-color: var(--xanh-nhat); }

/* Thanh đầu */
.tg-dau { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--vien-nhat); }
.tg-dau .tg-rong { display: flex; align-items: center; gap: 22px; height: 68px; }
.tg-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 16px; color: var(--chu); white-space: nowrap; }
.tg-logo img { border-radius: 50%; }
.tg-dau nav { display: flex; gap: 4px; margin-left: 10px; }
.tg-dau nav a { padding: 8px 12px; border-radius: 10px; color: var(--chu-2); font-weight: 600; font-size: 14.5px; white-space: nowrap; }
.tg-dau nav a:hover { background: var(--vien-nhat); color: var(--chu); }
.tg-nut-dau { margin-left: auto; display: flex; gap: 8px; }

/* Bìa */
.tg-bia { background: radial-gradient(1100px 520px at 88% -10%, #dbe9ff 0, transparent 62%), radial-gradient(700px 420px at -5% 105%, #fff0e2 0, transparent 60%), #f7f9fd; padding: 64px 0 72px; }
.tg-bia-luoi { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.tg-nhan { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--xanh-vien); color: var(--xanh-dam); font-weight: 700; font-size: 14px; padding: 7px 14px; border-radius: 99px; }
.tg-nhan i { width: 9px; height: 9px; border-radius: 50%; background: var(--xanh-sang); box-shadow: 0 0 0 4px rgba(163,199,9,.25); }
.tg-bia h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.04; letter-spacing: -.045em; font-weight: 800; margin: 20px 0 18px; }
.tg-bia h1 em { font-style: normal; }
.tg-bia h1 .vao { color: var(--xanh); } .tg-bia h1 .ra { color: var(--do); }
.tg-mo-ta { font-size: 18px; color: var(--chu-3); max-width: 34em; }
.tg-hang-nut { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.tg-bia .tg-nut-trang { border-color: var(--vien-dam); color: var(--chu); }
.tg-tich { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--chu-2); font-weight: 600; font-size: 14.5px; }
.tg-tich li { display: flex; align-items: center; gap: 7px; }
.tg-tich svg { color: #5d8a00; }

/* Hình trạm cân thu nhỏ */
.tg-may { background: #fff; border: 1px solid var(--vien); border-radius: 22px; box-shadow: 0 40px 80px -40px rgba(14,22,38,.45), 0 2px 0 #fff inset; overflow: hidden; transform: perspective(1400px) rotateY(-5deg) rotateX(2deg); transform-origin: left center; }
.tg-may-thanh { display: flex; align-items: center; gap: 6px; padding: 11px 14px; background: var(--xanh-dam); color: #fff; font-size: 12.5px; font-weight: 700; }
.tg-may-thanh i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.45); }
.tg-may-thanh span { margin-left: 8px; }
.tg-may-than { padding: 16px; display: grid; gap: 12px; background: var(--nen); }
.tg-can { background: #0e1626; color: #fff; border-radius: 16px; padding: 14px 20px 16px; text-align: center; }
.tg-dong-ho { font-family: var(--chu-so); font-weight: 800; font-size: 22px; color: #ff4d5e; letter-spacing: .04em; }
.tg-so { font-family: var(--chu-so); font-weight: 800; font-size: clamp(48px, 7vw, 76px); line-height: 1; letter-spacing: -.04em; margin: 4px 0 8px; }
.tg-so small { font-size: .32em; font-weight: 700; color: #9fb0cc; margin-left: 8px; letter-spacing: 0; }
.tg-on { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700; color: var(--xanh-sang); }
.tg-on i { width: 8px; height: 8px; border-radius: 50%; background: var(--xanh-sang); animation: tg-nhay 1.6s ease-in-out infinite; }
@keyframes tg-nhay { 50% { opacity: .35; } }
.tg-chon { display: grid; grid-template-columns: 1fr 1fr 1.1fr; gap: 8px; }
.tg-chon span { border-radius: 12px; padding: 12px 6px; text-align: center; font-weight: 800; font-size: 13.5px; letter-spacing: .03em; }
.tg-chon .vao { background: var(--xanh); color: #fff; }
.tg-chon .ra { background: #fff; color: var(--do); border: 1.5px solid var(--do-vien); }
.tg-chon .can { background: var(--xanh-sang); color: var(--chu-tren-sang); }
.tg-so-cai { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tg-so-cai > div { background: #fff; border: 1px solid var(--vien); border-radius: 12px; overflow: hidden; min-width: 0; }
.tg-so-cai h3 { margin: 0; padding: 8px 10px; font-size: 12.5px; color: #fff; display: flex; justify-content: space-between; gap: 6px; flex-wrap: wrap; }
.tg-so-cai h3 b { font-weight: 600; opacity: .92; font-family: var(--chu-so); font-size: 11px; }
.tg-so-cai h3.vao { background: var(--xanh); } .tg-so-cai h3.ra { background: var(--do); }
.tg-so-cai p { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-top: 1px solid var(--vien-nhat); font-size: 12.5px; position: relative; }
.tg-so-cai p span { font-family: var(--chu-so); color: var(--chu-3); font-size: 11px; }
.tg-so-cai p b { margin-left: auto; font-family: var(--chu-so); }
.tg-so-cai p.moi { background: var(--cam-nhat); }
.tg-so-cai p u { position: absolute; right: 8px; top: -7px; text-decoration: none; background: var(--cam); color: #fff; font-size: 9px; font-weight: 800; padding: 1px 6px; border-radius: 99px; letter-spacing: .04em; }

/* Dải bốn ý */
.tg-dai { background: var(--chu); color: #fff; }
.tg-dai-luoi { display: grid; grid-template-columns: repeat(4, 1fr); }
.tg-dai-luoi > div { padding: 26px 20px; border-right: 1px solid rgba(255,255,255,.1); }
.tg-dai-luoi > div:last-child { border-right: 0; }
.tg-dai b { display: block; font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.tg-dai span { color: #b6c2d6; font-size: 14px; }
.tg-dai-luoi > div:nth-child(1) b { color: #6aa6ff; } .tg-dai-luoi > div:nth-child(2) b { color: #ff7684; } .tg-dai-luoi > div:nth-child(3) b { color: var(--xanh-sang); } .tg-dai-luoi > div:nth-child(4) b { color: #ffa257; }

/* Khối nội dung */
.tg-khoi { padding: 80px 0; scroll-margin-top: 60px; }
.tg-khoi-trang { background: #f7f9fd; }
.tg-nhan-nho { font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--xanh-dam); margin-bottom: 10px !important; }
.tg-nhan-nho.sang { color: #cfe1ff; }
.tg-luoi-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tg-luoi-6 article { border: 1px solid var(--vien); border-radius: 20px; padding: 24px; background: #fff; transition: transform .15s, box-shadow .15s, border-color .15s; }
.tg-luoi-6 article:hover { transform: translateY(-3px); box-shadow: 0 18px 36px -22px rgba(14,22,38,.4); border-color: var(--xanh-vien); }
.tg-luoi-6 .h { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; margin-bottom: 16px; color: #fff; }
.tg .c-xanh { background: var(--xanh); } .tg .c-cam { background: var(--cam); } .tg .c-la { background: var(--xanh-sang); color: var(--chu-tren-sang) !important; } .tg .c-do { background: var(--do); }
.tg-luoi-6 p { color: var(--chu-3); font-size: 15px; }

/* So sánh trái / phải */
.tg-so-sanh { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.tg-so-sanh > div { border-radius: 20px; padding: 26px 28px; }
.tg-so-sanh .cu { background: #fff; border: 1px solid var(--vien); }
.tg-so-sanh .moi { background: var(--xanh); color: #fff; box-shadow: 0 24px 48px -28px rgba(2,102,252,.9); }
.tg-so-sanh h3 { font-size: 20px; margin-bottom: 14px; }
.tg-so-sanh .cu h3 { color: var(--chu-3); }
.tg-so-sanh ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.tg-so-sanh li { position: relative; padding-left: 30px; }
.tg-so-sanh li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--do-nhat) center / 10px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10' stroke='%23e0162b' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M2 2l6 6M8 2l-6 6'/%3E%3C/svg%3E"); }
.tg-so-sanh .cu li { color: var(--chu-3); }
.tg-so-sanh .moi li::before { background: #fff center / 12px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%230266fc' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 6.5l2.3 2.3 4.7-5'/%3E%3C/svg%3E"); }

/* Ba bước */
.tg-buoc { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: b; }
.tg-buoc li { background: #f7f9fd; border-radius: 20px; padding: 26px 24px; position: relative; }
.tg-buoc i { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; font-style: normal; font-weight: 800; font-size: 19px; color: #fff; margin-bottom: 14px; font-family: var(--chu-so); }
.tg-buoc li:nth-child(1) i { background: var(--xanh); } .tg-buoc li:nth-child(2) i { background: var(--cam); } .tg-buoc li:nth-child(3) i { background: var(--do); }
.tg-buoc p { color: var(--chu-3); font-size: 15px; }
.tg-luu-y { display: flex; align-items: flex-start; gap: 10px; margin-top: 20px !important; padding: 14px 18px; border-radius: 14px; background: var(--vang-nhat); color: var(--vang-chu); font-size: 15px; font-weight: 500; }
.tg-luu-y svg { margin-top: 3px; }

/* Miễn phí 30 ngày */
.tg-mien-phi { background: linear-gradient(135deg, var(--xanh) 0%, #0148c2 100%); color: #fff; }
.tg-mien-phi h2 { color: #fff; margin-bottom: 14px; }
.tg-mien-phi p { color: #dbe8ff; max-width: 30em; margin-bottom: 26px; font-size: 17px; }
.tg-mp-luoi { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.tg-mp-ds { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.tg-mp-ds li { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); border-radius: 18px; padding: 20px; }
.tg-mp-ds b { display: block; font-size: 40px; line-height: 1; font-weight: 800; letter-spacing: -.04em; font-family: var(--chu-so); margin-bottom: 8px; }
.tg-mp-ds span { color: #dbe8ff; font-size: 14.5px; }
.tg-mp-ds li:first-child { background: #fff; color: var(--xanh-dam); border-color: #fff; } .tg-mp-ds li:first-child span { color: var(--chu-3); }

/* Hỏi đáp */
.tg-hoi { display: grid; gap: 10px; }
.tg-hoi details { border: 1px solid var(--vien); border-radius: 16px; background: #fff; }
.tg-hoi details[open] { border-color: var(--xanh-vien); box-shadow: 0 10px 26px -20px rgba(2,102,252,.6); }
.tg-hoi summary { cursor: pointer; list-style: none; padding: 18px 52px 18px 22px; font-weight: 700; font-size: 17px; position: relative; }
.tg-hoi summary::-webkit-details-marker { display: none; }
.tg-hoi summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 24px; font-weight: 500; color: var(--xanh); line-height: 1; }
.tg-hoi details[open] summary::after { content: "–"; }
.tg-hoi details p { padding: 0 22px 20px; color: var(--chu-3); }

/* Lời chốt + chân trang */
.tg-chot { padding: 72px 0; text-align: center; background: #f7f9fd; }
.tg-chot h2 { margin: 0 auto 24px; }
.tg-chan { background: var(--chu); color: #b6c2d6; font-size: 14px; }
.tg-chan .tg-rong { display: flex; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 22px; }
.tg-chan a { color: #fff; font-weight: 600; }

@media (max-width: 980px) {
    .tg-dau nav { display: none; }
    .tg-bia { padding: 40px 0 52px; }
    .tg-bia-luoi, .tg-mp-luoi { grid-template-columns: 1fr; gap: 36px; }
    .tg-may { transform: none; }
    .tg-luoi-6 { grid-template-columns: 1fr 1fr; }
    .tg-dai-luoi { grid-template-columns: 1fr 1fr; }
    .tg-dai-luoi > div:nth-child(2) { border-right: 0; }
    .tg-dai-luoi > div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.1); }
    .tg-khoi { padding: 56px 0; }
}
@media (max-width: 640px) {
    .tg-rong { padding: 0 16px; }
    .tg-logo span { display: none; }
    .tg-nut-dau .tg-nut { padding: 0 12px; font-size: 13.5px; }
    .tg-luoi-6, .tg-so-sanh, .tg-buoc { grid-template-columns: 1fr; }
    .tg-hang-nut .tg-nut { width: 100%; }
    .tg-mp-ds b { font-size: 32px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .tg-on i { animation: none; } .tg-luoi-6 article, .tg-nut { transition: none; } }

/* ===== Chuyển màu + hiệu ứng (anh muốn giống trang socandientu): bìa màu đậm có đốm màu trôi, khối đổi nền xen kẽ, thẻ mỗi cái một màu ===== */
.tg-tien-do { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60; background: linear-gradient(90deg, var(--xanh-sang), var(--cam), var(--do)); transform-origin: 0 50%; transform: scaleX(0); }

.tg-bia { position: relative; overflow: hidden; color: #fff; background: radial-gradient(1200px 520px at 82% -12%, #3b8bff 0%, transparent 60%), linear-gradient(160deg, #013a9e, #0266fc 52%, #014ed1); }
.tg-bia::before, .tg-bia::after { content: ""; position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; pointer-events: none; }
.tg-bia::before { width: 420px; height: 420px; background: var(--cam); top: -170px; right: 6%; animation: tg-troi 14s ease-in-out infinite; }
.tg-bia::after { width: 380px; height: 380px; background: var(--xanh-sang); bottom: -200px; left: -90px; animation: tg-troi 18s ease-in-out infinite reverse; }
@keyframes tg-troi { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(46px, 34px); } }
.tg-bia-luoi { position: relative; z-index: 1; }
.tg-bia .tg-mo-ta { color: #dbe8ff; }
.tg-bia h1 em { display: inline-block; padding: 0 .16em .04em; border-radius: .22em; }
.tg-bia h1 .vao { background: #fff; color: var(--xanh-dam); }
.tg-bia h1 .ra { background: var(--do); color: #fff; }
.tg-nhan { position: relative; overflow: hidden; background: linear-gradient(135deg, #ffd23f, #fb9a03); border-color: transparent; color: #3a1a00; box-shadow: 0 8px 22px -8px rgba(251,112,3,.8); }
.tg-nhan i { background: var(--do); box-shadow: 0 0 0 4px rgba(224,22,43,.22); }
.tg-nhan::after { content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%; background: linear-gradient(100deg, transparent, rgba(255,255,255,.7), transparent); animation: tg-loe 3.6s ease-in-out 1.2s infinite; }
@keyframes tg-loe { 0%, 60% { left: -60%; } 100% { left: 130%; } }
.tg-bia .tg-nut-lon:not(.tg-nut-trang) { background: linear-gradient(135deg, #ffd23f, #fb9a03); border-color: transparent; color: #3a1a00; box-shadow: 0 12px 28px -10px rgba(251,112,3,.9); }
.tg-bia .tg-nut-lon:not(.tg-nut-trang):hover { filter: brightness(1.06); color: #3a1a00; }
.tg-bia .tg-nut-trang { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.55); color: #fff; }
.tg-bia .tg-nut-trang:hover { background: rgba(255,255,255,.22); color: #fff; border-color: #fff; }
.tg-tich { color: #fff; } .tg-tich svg { color: var(--xanh-sang); }
.tg-may { border-color: rgba(255,255,255,.5); box-shadow: 0 50px 90px -40px rgba(0,10,40,.8); }

/* Lúc mở trang: chữ trượt lên lần lượt, hình trạm cân trượt vào rồi bồng bềnh */
@media (prefers-reduced-motion: no-preference) {
    .tg-bia-chu > * { animation: tg-vao .7s cubic-bezier(.2,.7,.2,1) both; }
    .tg-bia-chu > :nth-child(2) { animation-delay: .08s; } .tg-bia-chu > :nth-child(3) { animation-delay: .16s; } .tg-bia-chu > :nth-child(4) { animation-delay: .24s; } .tg-bia-chu > :nth-child(5) { animation-delay: .32s; }
    .tg-may { animation: tg-vao-may .9s cubic-bezier(.2,.7,.2,1) .2s both, tg-bong 5s ease-in-out 1.2s infinite; }
    /* Kéo tới đâu, khối trượt lên tới đó. Mặc định vẫn hiện sẵn — trình duyệt không chạy được hiệu ứng thì không mất chữ */
    .tg-hien.da-hien { animation: tg-vao .6s cubic-bezier(.2,.7,.2,1) var(--tre, 0s) both; }
}
@keyframes tg-vao { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@keyframes tg-vao-may { from { opacity: 0; translate: 0 60px; } to { opacity: 1; translate: 0 0; } }
@keyframes tg-bong { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }

/* Khối đổi nền xen kẽ */
#tinh-nang { background: linear-gradient(180deg, #eaf2ff, #f6f9ff); }
.tg-khoi-trang { background: linear-gradient(180deg, #fff, #fffaf4); }
#cach-dung { background: linear-gradient(180deg, #f3f9e2, #fbfdf4); }
#hoi-dap { background: linear-gradient(180deg, #fff, #f3f7ff); }
.tg-chot { background: linear-gradient(135deg, #fff1e4, #ffe1e4); }

/* Sáu thẻ tính năng: mỗi thẻ một màu */
.tg-luoi-6 article { border-color: transparent; background: var(--n); box-shadow: 0 10px 26px -18px var(--b); }
.tg-luoi-6 article:hover { box-shadow: 0 22px 40px -20px var(--b); border-color: transparent; }
.tg-luoi-6 article:nth-child(1) { --n: linear-gradient(135deg, #e3eeff, #c3dbff); --b: rgba(2,102,252,.7); }
.tg-luoi-6 article:nth-child(2) { --n: linear-gradient(135deg, #fff1df, #ffd9ad); --b: rgba(251,112,3,.7); }
.tg-luoi-6 article:nth-child(3) { --n: linear-gradient(135deg, #f1f8d3, #dcee9a); --b: rgba(121,162,4,.7); }
.tg-luoi-6 article:nth-child(4) { --n: linear-gradient(135deg, #ffe6e8, #ffc4ca); --b: rgba(224,22,43,.6); }
.tg-luoi-6 article:nth-child(5) { --n: linear-gradient(135deg, #e3eeff, #c3dbff); --b: rgba(2,102,252,.7); }
.tg-luoi-6 article:nth-child(6) { --n: linear-gradient(135deg, #fff1df, #ffd9ad); --b: rgba(251,112,3,.7); }
.tg-luoi-6 p { color: var(--chu-2); }
.tg-luoi-6 .h { box-shadow: 0 8px 18px -8px var(--b); }

/* So sánh và ba bước cũng lên màu */
.tg-so-sanh .cu { background: linear-gradient(160deg, #fff1f1, #fde2e4); border-color: var(--do-vien); }
.tg-so-sanh .cu h3 { color: var(--do-dam); } .tg-so-sanh .cu li { color: var(--chu-2); }
.tg-so-sanh .moi { background: linear-gradient(160deg, #0a74ff, #014ed1); }
.tg-buoc li { background: #fff; box-shadow: 0 14px 32px -22px rgba(14,22,38,.45); }

/* Khối miễn phí: nền chuyển màu chậm + đốm sáng trôi */
.tg-mien-phi { position: relative; overflow: hidden; background: linear-gradient(120deg, #013a9e, #0266fc, #7a1fd1, #e0162b, #0266fc); background-size: 300% 300%; animation: tg-doi-mau 18s ease-in-out infinite; }
@keyframes tg-doi-mau { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.tg-mien-phi::before { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; background: #ffd23f; filter: blur(80px); opacity: .35; top: -160px; right: 10%; animation: tg-troi 16s ease-in-out infinite; pointer-events: none; }
.tg-mp-luoi { position: relative; z-index: 1; }
.tg-mien-phi .tg-nut-trang { background: linear-gradient(135deg, #ffd23f, #fb9a03); border-color: transparent; color: #3a1a00; box-shadow: 0 12px 28px -10px rgba(0,0,0,.5); }
.tg-mp-ds li { backdrop-filter: blur(6px); }

@media (prefers-reduced-motion: reduce) { .tg-bia::before, .tg-bia::after, .tg-nhan::after, .tg-mien-phi, .tg-mien-phi::before { animation: none; } }
.tg-bia h1 { font-size: clamp(38px, 5.2vw, 62px); line-height: 1.14; }

.tg-may { color: var(--chu); }

/* Khẩu hiệu: "Kết nối cân thông minh – Quản lý kho chính xác" */
.tg-logo span { display: grid; line-height: 1.2; }
.tg-logo small { font-size: 11.5px; font-weight: 600; color: var(--chu-3); }
.tg-bia h1 { font-size: clamp(34px, 4.3vw, 54px); line-height: 1.2; }
.tg-khau-hieu { font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--do-dam); margin-bottom: 10px !important; }
@media (max-width: 1100px) { .tg-logo small { display: none; } }
.tg-bia h1 { font-size: clamp(28px, 3.3vw, 44px); line-height: 1.32; }
@media (min-width: 981px) { .tg-bia h1 { white-space: nowrap; } }

/* Bảng giá */
#bang-gia { background: linear-gradient(180deg, #fff, #eef4ff); }
.tg-gia { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.tg-gia article { position: relative; background: #fff; border: 1px solid var(--vien); border-radius: 22px; padding: 26px 24px 24px; display: flex; flex-direction: column; gap: 12px; box-shadow: 0 14px 34px -24px rgba(14,22,38,.5); }
.tg-gia h3 { font-size: 17px; color: var(--chu-3); margin: 0; }
.tg-gia .so { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.tg-gia .so b { font-family: var(--chu-so); font-size: 40px; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.tg-gia .so span { color: var(--chu-3); font-weight: 600; }
.tg-gia ul { list-style: none; margin: 0 0 6px; padding: 0; display: grid; gap: 8px; color: var(--chu-2); font-size: 15px; flex: 1; }
.tg-gia li { position: relative; padding-left: 26px; }
.tg-gia li::before { content: ""; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--xanh-nhat) center / 11px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%230266fc' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 6.5l2.3 2.3 4.7-5'/%3E%3C/svg%3E"); }
.tg-gia .tg-nut { min-height: 48px; font-size: 15.5px; }
.tg-gia .noi-bat { background: linear-gradient(160deg, #0a74ff, #014ed1); border-color: transparent; color: #fff; box-shadow: 0 26px 50px -24px rgba(2,102,252,.95); }
.tg-gia .noi-bat h3, .tg-gia .noi-bat .so span { color: #dbe8ff; }
.tg-gia .noi-bat ul { color: #fff; }
.tg-gia .noi-bat li::before { background-color: #fff; }
.tg-gia .noi-bat .tg-nut { background: linear-gradient(135deg, #ffd23f, #fb9a03); border-color: transparent; color: #3a1a00; }
.tg-gia em { position: absolute; top: -13px; right: 20px; font-style: normal; font-size: 12.5px; font-weight: 800; background: var(--do); color: #fff; padding: 5px 12px; border-radius: 99px; box-shadow: 0 8px 18px -8px rgba(224,22,43,.9); }
@media (max-width: 900px) { .tg-gia { grid-template-columns: 1fr; } }