/* WEB-DV-TRANG-CON-01 (chủ dự án 08/11/2026): 6 trang "Dịch vụ quảng cáo" (dich-vu.html, dich-vu/chay-quang-cao-{facebook,google,tiktok,zalo}.html,
   dich-vu/bang-gia.html) theo giao diện trang chủ mới. Nạp sau style.css + trang-chu.css: dùng lại thẻ nền tảng (.pt-nen), thanh phí (.pt-gia-khoi),
   thẻ nguyên tắc (.pt-nt--the), đường thời gian (.pt-tl), khối liên hệ (.cta-card) và màu 60 - 30 - 10 (nền trắng / xám nhạt, tím than + tím, cam chỉ ở nút,
   số, điểm nhấn). Lớp riêng của các trang này bắt đầu bằng .dv-. */

/* ---- màn đầu trang con: dải tím than, chữ trắng, logo nền tảng bên phải ---- */
.dv-hero { position: relative; isolation: isolate; overflow: hidden; background: #1c0a30; color: #fff; }
.dv-hero::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(circle at 86% 18%, rgba(126, 34, 206, .55) 0, transparent 46%), radial-gradient(circle at 6% 110%, rgba(88, 28, 135, .7) 0, transparent 52%); }
.dv-hero .wrap { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: center; padding-top: clamp(40px, 6vw, 88px); padding-bottom: clamp(48px, 7vw, 104px); }
.dv-hero .wrap.dv-hero--mot { grid-template-columns: minmax(0, 1fr); }
.dv-hero-chu { display: grid; gap: 14px; justify-items: start; min-width: 0; }
.dv-hero .crumb { margin-bottom: 10px; color: rgba(255, 255, 255, .72); }
.dv-hero .crumb a { color: rgba(255, 255, 255, .86); }
.dv-hero .crumb a:hover { color: #fff; }
.dv-hero .crumb li + li::before { color: rgba(255, 255, 255, .4); }
.dv-nhan { margin: 0; font-size: .8125rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #FB923C; }
.dv-hero h1 { margin: 0; font-size: clamp(2.3rem, 1.4rem + 3vw, 3.9rem); line-height: 1.06; letter-spacing: -0.045em; color: #fff; text-wrap: balance; }
.dv-lead { margin: 0; max-width: 38em; font-size: 1.125rem; line-height: 1.6; color: rgba(255, 255, 255, .84); }
.dv-nut { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.dv-hero :focus-visible { outline-color: #fff; }
.dv-logo { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; }
.dv-logo-o { display: grid; place-items: center; width: clamp(120px, 13vw, 168px); aspect-ratio: 1; max-width: 100%; border-radius: 32px; background: #fff;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, .55), 0 0 0 8px rgba(255, 255, 255, .06); }
.dv-logo-o svg { width: 58%; height: 58%; }
.dv-logo--luoi { display: grid; grid-template-columns: repeat(2, max-content); justify-content: center; }
.dv-logo-o--nho { width: clamp(92px, 9vw, 120px); border-radius: 26px; }

/* ---- mục tiêu quảng cáo: ô sáng, icon tím ---- */
.dv-muc { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: 12px; }
.dv-muc li { display: flex; align-items: center; gap: 14px; padding: 14px 18px 14px 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--c-surface);
  font-weight: 600; line-height: 1.35; color: var(--ink); }
.dv-muc .pt-muc-ic { flex: none; width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--c-purple-soft, #f5f0fb); fill: var(--c-purple, #581C87); }

/* ---- DigiPerfy thực hiện: thẻ có icon trên ô tím than, số thứ tự cam ---- */
.dv-h3 { margin: 0 0 16px; font-size: 1.25rem; color: var(--c-purple-deep, #4A156B); }
.dv-lam { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; counter-reset: lam; }
.dv-lam li { counter-increment: lam; position: relative; display: grid; gap: 14px; align-content: start; padding: 22px; border: 1px solid var(--line); border-radius: 20px;
  background: var(--c-surface); box-shadow: 0 24px 60px -48px rgba(30, 14, 60, .45); }
.dv-lam li::after { content: counter(lam, decimal-leading-zero); position: absolute; top: 20px; right: 22px; font-weight: 800; font-size: .9375rem; letter-spacing: .04em; color: var(--c-accent); }
.dv-lam svg { width: 52px; height: 52px; padding: 13px; border-radius: 16px; fill: #fff;
  background: radial-gradient(circle at 78% 22%, rgba(147, 51, 234, .9) 0, transparent 70%), #1c0a30; }
.dv-lam p { margin: 0; font-weight: 600; line-height: 1.5; color: var(--ink); }

/* ---- Bạn cung cấp / Không bao gồm ---- */
.dv-pv { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.dv-pv > div { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--c-surface); min-width: 0; }
.dv-pv h3 { margin: 0 0 14px; font-size: 1.125rem; color: var(--c-purple-deep, #4A156B); }
.dv-pv--khong h3 { color: var(--ink-2); }
.dv-ds { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.dv-ds li { display: flex; gap: 12px; align-items: flex-start; line-height: 1.5; color: var(--ink); }
.dv-ds li::before { content: ''; flex: none; width: 20px; height: 20px; margin-top: 2px; border-radius: 50%;
  background: var(--c-purple, #581C87) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5.5 10.5l3 3 6-7'/%3E%3C/svg%3E") center / 100% no-repeat; }
.dv-ds--khong li { color: var(--ink-2); }
.dv-ds--khong li::before { background: var(--line) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%23475569' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M6.5 6.5l7 7M13.5 6.5l-7 7'/%3E%3C/svg%3E") center / 100% no-repeat; }

/* ---- phí dịch vụ: 2 thẻ tím than, giá chữ trắng ---- */
.dv-goi { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.dv-goi > div { position: relative; isolation: isolate; overflow: hidden; display: grid; gap: 6px; padding: clamp(24px, 3vw, 36px); border-radius: 24px; color: #fff; background: #1c0a30; }
.dv-goi > div::after { content: ''; position: absolute; z-index: -1; width: 360px; height: 360px; right: -140px; top: -170px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(147, 51, 234, .55), transparent); }
.dv-goi h3 { margin: 0; font-size: 1rem; font-weight: 600; color: rgba(255, 255, 255, .78); }
.dv-gia { margin: 6px 0 0; font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; color: #fff; }
.dv-gia-phu { margin: 0; font-size: .9375rem; color: rgba(255, 255, 255, .72); }
.dv-ghi { margin: 16px 0 0; max-width: 60em; font-size: .9375rem; line-height: 1.6; color: var(--ink-2); }
.dv-nut--sang { margin-top: 20px; }
.dv-the3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.dv-the3 > div { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: var(--c-surface); min-width: 0; }
.dv-the3 h3 { margin: 0 0 8px; font-size: 1.0625rem; color: var(--c-purple-deep, #4A156B); }
.dv-the3 p { margin: 0; line-height: 1.6; color: var(--ink-2); }

/* ---- khối Kênh quảng cáo ở trang cổng: thanh phí sát dưới 4 thẻ ---- */
#kenh .pt-gia-khoi { margin-top: 16px; }

@media (max-width: 1080px) { .dv-lam { grid-template-columns: repeat(2, minmax(0, 1fr)); } .dv-the3 { grid-template-columns: 1fr; } }
@media (max-width: 900px) {
  .dv-hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .dv-logo, .dv-logo--luoi { justify-content: start; }
  .dv-logo--luoi { grid-template-columns: repeat(4, max-content); }
  .dv-logo-o { width: 104px; border-radius: 24px; }
  .dv-logo-o--nho { width: 72px; border-radius: 18px; }
}
@media (max-width: 760px) { .dv-pv, .dv-goi { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .dv-lam { grid-template-columns: 1fr; } .dv-logo--luoi { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; } .dv-logo-o--nho { width: 100%; } }

/* WEB-VE-DIGIPERFY-01 (chủ dự án 08/11/2026, "làm lại tiếp trang con: Về digiperfy"): trang ve-chung-toi.html dùng chung khung các trang Dịch vụ, thêm các khối riêng dưới đây. */
.dv-logo-o img { width: 58%; height: 58%; }
.dv-logo-o--to { width: clamp(150px, 16vw, 210px); border-radius: 40px; }
/* Vì sao đo tới đơn chốt: chữ một bên, chuỗi 3 bước một bên */
.dv-hai-cot { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.dv-van { display: grid; gap: 16px; max-width: 40em; }
.dv-van p { margin: 0; font-size: 1.0625rem; line-height: 1.7; color: var(--ink-2); }
.dv-chuoi { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; counter-reset: ch; }
.dv-chuoi li { counter-increment: ch; position: relative; display: grid; gap: 4px; padding: 18px 20px 18px 68px; border: 1px solid var(--line); border-radius: 18px; background: var(--c-surface); }
.dv-chuoi li::before { content: counter(ch, decimal-leading-zero); position: absolute; left: 18px; top: 18px; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, #581C87, #9333EA); color: #fff; font-weight: 800; font-size: .8125rem; }
.dv-chuoi li:not(:last-child)::after { content: ''; position: absolute; left: 34px; top: 56px; bottom: -16px; width: 2px; background: var(--line); }
.dv-chuoi b { font-size: 1.0625rem; color: var(--c-purple-deep, #4A156B); }
.dv-chuoi span { line-height: 1.5; color: var(--ink-2); }
.dv-chuoi .dv-chuoi--dp { color: #fff; border-color: transparent; background: radial-gradient(circle at 85% 15%, rgba(147, 51, 234, .7) 0, transparent 60%), #1c0a30; }
.dv-chuoi .dv-chuoi--dp::before { background: var(--c-accent); }
.dv-chuoi .dv-chuoi--dp b { color: #fff; }
.dv-chuoi .dv-chuoi--dp span { color: rgba(255, 255, 255, .84); }
/* Hai cách làm việc: 2 thẻ có ảnh như trang chủ */
.dv-cuas { gap: clamp(16px, 2vw, 28px); }
.dv-cuas .pt-cua { height: clamp(300px, 27vw, 380px); border-color: transparent; box-shadow: 0 30px 70px -36px rgba(30, 14, 60, .55); }
.dv-cuas .pt-cua-noi { padding: clamp(22px, 2.4vw, 32px); }
.dv-cuas .pt-cua h2 { font-size: clamp(1.5rem, 1.05rem + 1.3vw, 2.25rem); }
/* Sản phẩm hiện tại: nguồn đang đọc + sắp có */
.dv-nguon { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: 12px; }
.dv-nguon li { display: grid; gap: 4px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--c-surface); }
.dv-nguon b { color: var(--c-purple-deep, #4A156B); }
.dv-nguon span { font-size: .9375rem; color: var(--ink-2); }
.dv-sap { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 16px 0 0; }
.dv-sap b { margin-right: 4px; font-size: .8125rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--c-accent); }
.dv-sap span { padding: 4px 12px; border: 1px dashed var(--line-2, #cbd5e1); border-radius: 999px; font-size: .9375rem; color: var(--ink-2); }
/* Thông tin công ty */
.dv-cty { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 12px; margin: 0; }
.dv-cty > div { padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--c-surface); }
.dv-cty dt { font-size: .8125rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.dv-cty dd { margin: 6px 0 0; font-weight: 600; color: var(--ink); overflow-wrap: anywhere; }
@media (max-width: 900px) { .dv-hai-cot { grid-template-columns: 1fr; } .dv-logo-o--to { width: 120px; border-radius: 28px; } }
@media (max-width: 760px) { .dv-cuas .pt-cua { height: auto; min-height: 280px; } }

/* ---- WEB-PHAP-LY-LIEN-HE-01 (chủ dự án 08/11/2026): 3 trang pháp lý + Liên hệ theo giao diện mới. Lớp .dv-phap-ly, .dv-lh, .dv-cap-nhat. ---- */
.dv-cap-nhat { margin: 4px 0 0; font-size: .875rem; color: rgba(255, 255, 255, .78); }
.dv-phap-ly .legal-body { color: var(--ink-2); }
.dv-phap-ly .legal-body > :first-child { margin-top: 0; }
.dv-phap-ly .legal-body h2, .dv-phap-ly .legal-body h3, .dv-phap-ly .legal-body b { color: var(--c-purple-deep); }
.dv-phap-ly .legal-body h2 { padding-top: 6px; }
.dv-phap-ly .legal-body th { background: var(--c-surface-2, var(--paper-2)); color: var(--c-purple-deep); }
/* Liên hệ: form thành thẻ trắng trên nền xám nhạt, khối liên hệ trực tiếp giữ tím than (30), nút cam (10) */
.dv-lh .form { padding: clamp(22px, 3vw, 36px); background: var(--c-surface); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: 0 24px 60px -36px rgba(28, 10, 48, .35); }
.dv-lh .contact-side { border-radius: 20px; }
.dv-lh .contact-quick-h { color: var(--c-purple-deep); }
.dv-lh .contact-quick-btns .pt-btn { justify-content: center; }
.dv-lh .form-foot .pt-btn { min-height: 52px; padding: 0 28px; }