/* Điện Nước Thợ Hiền — trang trong (Giới thiệu / Dịch vụ / Mua bán linh kiện / SP / Liên hệ). Tiền tố thi- */
.thi .b9-w { max-width: 1290px; }
.thi-h2 { font-size: 40px; line-height: 1.15; font-weight: 700; margin: 0 0 10px; color: var(--ink); }
.thi-line { display: flex; align-items: center; gap: 16px; }
.thi-line::after { content: ""; width: 44px; height: 4px; background: var(--c1); flex: none; }
.thi-sub { color: var(--mu); font-size: 17px; margin: -2px 0 24px; }
.thi-k { color: #c99500; font-weight: 700; font-size: 15px; text-transform: uppercase; letter-spacing: .02em; margin: 0 0 10px; display: flex; align-items: center; gap: 12px; }
.thi-story .thi-k::before { content: ""; width: 28px; height: 3px; background: var(--c1); }
.thi p { font-size: 17px; line-height: 1.6; color: #444; }
.thi-bg, .b9i-sec.thi-bg { background: #f1f1f1; }
.thi .b9-btn { color: var(--ink) !important; font-weight: 700; }
.thi .b9-btn:hover { color: var(--ink) !important; }
.thi .thi-bo { border-color: var(--ink); color: var(--ink) !important; font-weight: 700; background: #fff; }
.thi .thi-bo:hover { background: var(--ink); color: #fff !important; }
.thi-hero { position: relative; background: #f2f2f2 var(--bg) right center / auto 100% no-repeat; min-height: 340px; display: flex; align-items: center; }
.thi-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #f2f2f2 38%, rgba(242,242,242,.85) 46%, rgba(242,242,242,0) 60%); }
.thi-hero > .b9-w { position: relative; padding-top: 20px; padding-bottom: 36px; }
.thi-hero h1 { font-size: 54px; line-height: 1.12; font-weight: 700; margin: 24px 0 10px; }
.thi-hero-s h1 { margin-top: 10px; }
.thi-hero p { font-size: 20px; color: #444; max-width: 560px; }
.thi-hero-s { min-height: 400px; }
.thi-hero .b9i-btns { margin-top: 22px; }
.thi-2col { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 40px; align-items: center; }
.thi-img img { width: 100%; aspect-ratio: 1200 / 860; object-fit: cover; border-radius: 4px; display: block; }
.thi-strong { font-weight: 700; color: var(--ink) !important; }
.thi-vals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.thi-vals > div { background: #fff; padding: 30px 28px; border-radius: 4px; }
.thi-vals img { width: 70px; height: 70px; object-fit: contain; display: block; margin-bottom: 14px; }
.thi-vals h3 { font-size: 26px; margin: 0 0 8px; }
.thi-vals p { margin: 0; font-size: 16px; }
.thi-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.thi-cards > div { border: 1px solid var(--line); background: #fff; }
.thi-cards img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; }
.thi-cards h3 { font-size: 21px; margin: 14px 16px 6px; }
.thi-cards p { font-size: 15px; margin: 0 16px 16px; }
.thi-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; margin-top: 20px; }
.thi-steps i { display: flex; align-items: center; gap: 14px; font-style: normal; font-weight: 700; font-size: 22px; color: var(--ink); }
.thi-steps i::before { content: none; }
.thi-steps i { background: var(--c1); width: 46px; height: 46px; justify-content: center; position: relative; }
.thi-steps > div { position: relative; }
.thi-steps > div::after { content: ""; position: absolute; left: 60px; right: 0; top: 23px; height: 1px; background: #bbb; }
.thi-steps h3 { font-size: 22px; margin: 16px 0 8px; }
.thi-steps p { font-size: 15.5px; margin: 0; }
.thi-feat > div { border-left-color: var(--line); }
.thi-feat img { width: 52px; height: 52px; }
.thi-feat b { font-size: 18px; }
.thi-steps3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; margin-top: 20px; }
.thi-st { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
.thi-st i { width: 48px; height: 48px; background: var(--c1); display: flex; align-items: center; justify-content: center; font-style: normal; font-weight: 700; font-size: 22px; }
.thi-st img { width: 46px; height: 46px; object-fit: contain; }
.thi-steps3 h3 { font-size: 23px; margin: 0 0 6px; }
.thi-steps3 p { margin: 0; font-size: 16px; }
.thi-tbl thead th { background: var(--c2); color: #fff; }
.thi-tbl td + td, .thi-tbl th + th { text-align: center; width: 40%; }
.thi-tbl tbody tr:nth-child(odd) td { background: #f6f6f6; }
.thi-all { color: var(--ink) !important; border-bottom: 2px solid var(--c1); padding-bottom: 2px; }
.thi-form { background: #fff; }
.thi-big { display: flex; gap: 14px; align-items: center; font-size: 34px; font-weight: 700; color: var(--ink) !important; margin: 22px 0 12px; font-family: var(--hf); }
.thi-big .b9-ic { width: 34px; height: 34px; color: var(--c1); }
.thi-mail { display: flex; gap: 14px; align-items: center; font-size: 19px; color: var(--ink) !important; }
.thi-mail .b9-ic { width: 32px; height: 32px; color: var(--c1); }
.thi-fbox { background: #f1f1f1; border: 0; }
.thi-sub, .thi .thi-sub.b9-btn { }
.b9-btn.thi-sub { width: 100%; min-height: 46px; }
.thi-band { background: #f1f1f1; padding: 22px 0 36px; text-align: center; }
.thi-band .b9i-crumb { justify-content: center; }
.thi-band h1 { font-size: 54px; margin: 16px 0 18px; display: inline-block; position: relative; padding-bottom: 16px; }
.thi-band h1::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 100px; margin-left: -50px; height: 4px; background: var(--c1); }
.thi-band p { margin: 0 auto; max-width: 760px; color: #555; }
.thi-cform h2 { font-size: 34px; }
.thi-need { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 0 0 16px; }
.thi-need label { margin: 0; position: relative; }
.thi-need input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.thi-need span { display: flex; align-items: center; justify-content: center; height: 42px; background: #ececec; font-size: 15px; cursor: pointer; }
.thi-need input:checked + span { background: var(--c1); font-weight: 700; }
.thi-sec { font-size: 13.5px !important; text-align: center; display: flex; gap: 6px; justify-content: center; margin: 10px 0 0; }
.thi-ccol h2 { font-size: 32px; margin: 0 0 16px; }
.thi-cc { display: flex; gap: 18px; align-items: center; border: 1px solid var(--line); padding: 18px; margin-bottom: 14px; }
.thi-cc i { width: 66px; height: 66px; background: #f1f1f1; display: flex; align-items: center; justify-content: center; flex: none; }
.thi-cc i .b9-ic { width: 32px; height: 32px; color: var(--c1); }
.thi-cc small { display: block; font-size: 14px; color: #333; }
.thi-cc a { display: block; font-size: 26px; font-weight: 700; color: var(--ink) !important; font-family: var(--hf); overflow-wrap: anywhere; }
.thi-cc a.thi-em { font-size: 18px; }
.thi-cc b { display: block; font-size: 18px; color: var(--ink); line-height: 1.35; }
.thi-cc span { display: block; font-size: 14px; color: var(--mu); }
.thi-dark { background: var(--c2); color: #fff; padding: 20px; }
.thi-dark > div { display: flex; gap: 16px; align-items: flex-start; }
.thi-dark > div + div { border-top: 1px solid #555; padding-top: 16px; margin-top: 16px; }
.thi-dark .b9-ic { width: 34px; height: 34px; color: var(--c1); flex: none; }
.thi-dark small { display: block; color: var(--c1); font-size: 15px; }
.thi-dark b { display: block; font-size: 28px; color: #fff; font-family: var(--hf); }
.thi-dark span { display: block; color: #fff; font-size: 16px; }
.thi-dark em { display: block; font-style: normal; color: #ccc; font-size: 13.5px; margin-top: 4px; }
/* cửa hàng + SP */
.thi-in .b9i-band-t { position: relative; padding-bottom: 14px; margin-bottom: 16px; }
.thi-in .b9i-band-t::after { content: ""; position: absolute; left: 0; bottom: 0; width: 64px; height: 4px; background: var(--c1); }
.thi-in .b9-pc-t, .thi-in .b9-pc-p { text-align: center; }
.thi-in .b9-pc-p { color: var(--ink); font-size: 19px; }
.thi-in .b9-pc-btn { grid-template-columns: minmax(0, 1fr); }
.thi-in .b9-pc-btn a.b9-btn { background: #fff; color: var(--ink) !important; border-color: #cfcfcf; font-weight: 500; }
.thi-in .b9-pc-btn a.b9-btn-o { background: var(--c1); border-color: var(--c1); color: var(--ink) !important; font-weight: 700; }
.thi-in .b9i-pd-k { color: var(--ink); }
.thi-in .b9i-pd-price { color: var(--ink); }
.thi-in .b9i-pd-btns .b9-btn { color: var(--ink) !important; }
.thi-in .b9i-consult { background: var(--c2); }
.thi-in .b9i-consult-t { color: #fff; }
.thi-in .b9i-consult p { color: #ddd; }
.thi-in .b9i-consult-p { color: var(--c1); }
.thi-in .b9i-fcat a.on { background: #fff7d6; }
.thi-in .b9i-apply { color: var(--ink) !important; }
.thi-in .b9i-pager button.on { color: var(--ink); }
.thi-dk { background: var(--c2); }
@media (min-width: 850px) and (max-width: 1199px) { .thi-hero h1, .thi-band h1 { font-size: 44px; } .thi-hero::before { background: linear-gradient(90deg, #f2f2f2 48%, rgba(242,242,242,.8) 62%, rgba(242,242,242,.2) 80%); } }
@media (max-width: 849px) {
  .thi-h2 { font-size: 28px; }
  .thi-hero { display: block; min-height: 0; background: #f2f2f2; padding-top: 230px; }
  .thi-hero::before { inset: 0 0 auto 0; height: 230px; background: var(--bg) 70% center / cover no-repeat; }
  .thi-hero h1, .thi-band h1 { font-size: 32px; }
  .thi-hero p { font-size: 16.5px; }
  .thi-2col, .thi-vals, .thi-cards { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .thi-steps, .thi-steps3 { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .thi-steps > div::after { display: none; }
  .thi-need { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .thi-big { font-size: 26px; }
  .thi-cc a { font-size: 20px; }
}
@media (min-width: 1200px) { .thi-hero-s h1 { font-size: 62px; } .thi-hero-a h1 { font-size: 58px; } }
.thi-dk { padding: 6px 0; }
.thi-dk .b9i-feat > div { border-left-color: #4a4a4a; }
.thi-dk .b9i-feat b { color: #fff; font-weight: 500; font-size: 18px; }
.thi-dk .b9i-feat img { width: 50px; height: 50px; }
@media (max-width: 849px) { .thi-cc a.thi-em { font-size: 15.5px; } }
/* ruler:manual 10-10 (tiêu đề NHO x1.25–1.65, icon bước x1.5) */
@media (min-width: 1200px) {
  .thi-story .thi-h2 { font-size: 48px; }
  .thi-vals h3 { font-size: 32px; }
  .thi-vals img { width: 78px; height: 78px; }
  .thi-cards h3 { font-size: 26px; }
  .thi-band h1 { font-size: 64px; }
  .thi-ccol h2 { font-size: 40px; }
  .thi-fbox h3 { font-size: 28px; }
  .thi-st img { width: 62px; height: 62px; }
  .thi-in .b9-pc-t { font-size: 20px; }
}