/* kyyeu.vn — giao diện chung cho trang mẫu kỷ yếu, mẫu thiệp mời, trang xem mẫu và khối trang chủ.
   Màu theo nhận diện trang chủ: tím mận đậm, nền ngà, điểm vàng đồng. Không dùng gradient,
   không dùng kính mờ; nhấn bằng đường kẻ mảnh và khoảng trắng. */

.kui {
  --kui-bg: #faf6ef;
  --kui-paper: #fffdf9;
  --kui-ink: #241c2b;
  --kui-muted: #665e6c;
  --kui-line: #e6dbcd;
  --kui-line-2: #d8cab8;
  --kui-plum: #3e1f5c;
  --kui-plum-2: #2a1640;
  --kui-plum-soft: #f1e9f1;
  --kui-gold: #8a6a36;
  --kui-gold-line: #d4bd93;
  --kui-serif: "Playfair Display", "Noto Serif", Georgia, serif;
  --kui-sans: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --kui-radius: 12px;
  --kui-wrap: 1200px;
  color: var(--kui-ink);
  font-family: var(--kui-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "lnum" 1;
  font-variant-numeric: lining-nums;
}
.kui *, .kui *::before, .kui *::after { box-sizing: border-box; }
.kui img { max-width: 100%; display: block; }
.kui a { color: inherit; }
.kui h2, .kui h3 { text-wrap: balance; }
.kui :focus-visible { outline: 2px solid var(--kui-plum); outline-offset: 3px; border-radius: 4px; }

body.kui-page { margin: 0; background: #faf6ef; overflow-x: hidden; overflow-x: clip; }
body.kui-page > .kui { background: var(--kui-bg); min-height: 100vh; }
.kui-wrap { width: 100%; max-width: var(--kui-wrap); margin: 0 auto; padding: 0 20px; }
@media (min-width: 900px) { .kui-wrap { padding: 0 32px; } }

/* ---------- Thanh đầu trang ---------- */
.kui-top { border-bottom: 1px solid var(--kui-line); background: var(--kui-bg); }
.kui-top .kui-wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.kui-logo { display: inline-flex; align-items: center; text-decoration: none; flex: 0 0 auto; }
.kui-logo img { height: 44px; width: auto; }
.kui-logo span { font-family: var(--kui-serif); font-size: 22px; color: var(--kui-plum); }
.kui-nav { display: flex; align-items: center; gap: 22px; font-size: 15px; font-weight: 500; }
.kui-nav a { text-decoration: none; color: var(--kui-ink); padding: 6px 0; border-bottom: 2px solid transparent; white-space: nowrap; }
.kui-nav a:hover { border-bottom-color: var(--kui-gold-line); }
.kui-nav a[aria-current="page"] { border-bottom-color: var(--kui-plum); color: var(--kui-plum); }
.kui-nav .kui-nav-cta { padding: 9px 18px; border: 0; border-radius: 999px; background: var(--kui-plum); color: #fff; font-weight: 600; }
.kui-nav .kui-nav-cta:hover { background: var(--kui-plum-2); border: 0; }
@media (max-width: 640px) {
  .kui-top .kui-wrap { min-height: 60px; gap: 10px; }
  .kui-logo img { height: 36px; }
  .kui-nav { gap: 14px; font-size: 14px; }
  .kui-nav .kui-nav-cta { display: none; }
}
@media (max-width: 370px) { .kui-nav { gap: 10px; font-size: 13px; } }

/* ---------- Chữ ---------- */
.kui-eyebrow { margin: 0 0 14px; color: var(--kui-gold); font-size: 14px; font-weight: 600; letter-spacing: .02em; }
.kui-h1 { margin: 0 0 18px; font-family: var(--kui-serif); font-weight: 500; font-size: clamp(34px, 5.4vw, 58px); line-height: 1.1; letter-spacing: -.012em; color: var(--kui-ink); text-wrap: balance; }
.kui-h2 { margin: 0 0 10px; font-family: var(--kui-serif); font-weight: 500; font-size: clamp(26px, 3.4vw, 38px); line-height: 1.18; letter-spacing: -.008em; text-wrap: balance; }
.kui-lead { margin: 0; max-width: 56ch; color: var(--kui-muted); font-size: clamp(16px, 1.6vw, 18px); line-height: 1.7; text-wrap: pretty; }
.kui-muted { color: var(--kui-muted); }

/* ---------- Nút ---------- */
.kui-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border: 1px solid var(--kui-plum); border-radius: 999px; background: var(--kui-plum); color: #fff !important; font: 600 15px/1 var(--kui-sans); text-decoration: none !important; cursor: pointer; transition: background-color .2s ease, color .2s ease, border-color .2s ease; }
.kui-btn:hover { background: var(--kui-plum-2); border-color: var(--kui-plum-2); }
.kui-btn-line { background: transparent; color: var(--kui-plum) !important; border-color: var(--kui-line-2); }
.kui-btn-line:hover { background: var(--kui-plum-soft); border-color: var(--kui-plum); }
.kui-btn-light { background: #fffdf9; color: var(--kui-plum-2) !important; border-color: #fffdf9; }
.kui-btn-light:hover { background: #f3ece2; border-color: #f3ece2; }
.kui-btn-ghost { background: transparent; color: #fff !important; border-color: rgba(255, 255, 255, .45); }
.kui-btn-ghost:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }
.kui .kui-link { color: var(--kui-plum); font-weight: 600; text-decoration: underline; text-decoration-color: var(--kui-gold-line); text-underline-offset: 4px; }
.kui .kui-link:hover { text-decoration-color: var(--kui-plum); }

/* ---------- Phần mở đầu trang danh mục ---------- */
.kui-hero { padding: clamp(40px, 7vw, 88px) 0 clamp(28px, 4vw, 44px); }
.kui-hero .kui-wrap { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.kui-hero-copy .kui-lead { margin-bottom: 26px; }
.kui-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.kui-collage { display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: 1fr 1fr; gap: 12px; aspect-ratio: 5 / 4.4; }
.kui-collage figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--kui-radius); background: #eee5d8; }
.kui-collage figure:first-child { grid-row: 1 / 3; }
.kui-collage img { width: 100%; height: 100%; object-fit: cover; }
.kui-collage figcaption { position: absolute; left: 12px; bottom: 10px; padding: 4px 10px; border-radius: 6px; background: rgba(255, 253, 249, .92); color: var(--kui-ink); font-size: 13px; font-weight: 500; }
@media (max-width: 860px) {
  .kui-hero .kui-wrap { grid-template-columns: 1fr; }
  .kui-collage { display: none; }
}

/* Ba bước */
.kui-steps { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 10px 32px; margin: 26px 0 0; padding: 18px 0 0; border-top: 1px solid var(--kui-line); list-style: none; counter-reset: buoc; }
.kui-steps li { counter-increment: buoc; display: flex; align-items: baseline; gap: 10px; color: var(--kui-ink); font-size: 15px; font-weight: 500; }
.kui-steps li::before { content: counter(buoc); font-family: var(--kui-serif); font-style: italic; font-size: 20px; color: var(--kui-gold); }

@media (max-width: 640px) { .kui-steps { grid-template-columns: 1fr; } }

/* ---------- Bảng gói ---------- */
.kui-goi { padding: 8px 0 clamp(28px, 4vw, 40px); }
.kui-goi-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--kui-line-2); border-bottom: 1px solid var(--kui-line); }
.kui-goi-list li { padding: 20px 22px 22px 0; }
.kui-goi-list li + li { padding-left: 22px; border-left: 1px solid var(--kui-line); }
.kui-goi-ten { display: block; font-size: 15px; font-weight: 600; color: var(--kui-plum); }
.kui-goi-gia { display: block; margin: 4px 0 8px; font-family: var(--kui-serif); font-size: 26px; font-weight: 500; line-height: 1.2; font-variant-numeric: lining-nums; }
.kui-goi-gia del { margin-right: 8px; color: var(--kui-muted); font-size: .62em; }
.kui-goi-list p { margin: 0; color: var(--kui-muted); font-size: 14px; line-height: 1.6; }
.kui-goi-note { margin: 12px 0 0; color: var(--kui-muted); font-size: 14px; }
.kui-khuyen-mai { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin: 0 0 18px; padding: 14px 18px; border-left: 3px solid var(--kui-gold-line); background: #fff8ea; font-size: 15px; }
.kui-khuyen-mai strong { color: var(--kui-plum); }
@media (max-width: 860px) {
  .kui-goi-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kui-goi-list li, .kui-goi-list li + li { padding: 16px 14px 18px; border-left: 0; }
  .kui-goi-list li:nth-child(2n) { border-left: 1px solid var(--kui-line); }
  .kui-goi-list li:nth-child(n+3) { border-top: 1px solid var(--kui-line); }
  .kui-goi-list li:nth-child(2n+1) { padding-left: 0; }
  .kui-goi-gia { font-size: 22px; }
}

/* ---------- Thanh lọc (dính đầu màn hình khi cuộn) ---------- */
.kui-loc { position: sticky; top: 0; z-index: 20; background: var(--kui-bg); border-bottom: 1px solid var(--kui-line); }
body.admin-bar .kui-loc { top: 32px; }
.kui-loc .kui-wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 18px; align-items: center; padding-top: 12px; padding-bottom: 12px; }
.kui-tim { position: relative; display: flex; align-items: center; max-width: 360px; }
.kui-tim svg { position: absolute; left: 14px; width: 18px; height: 18px; color: var(--kui-muted); pointer-events: none; }
.kui-tim input { width: 100%; height: 44px; padding: 0 14px 0 42px; border: 1px solid var(--kui-line-2); border-radius: 999px; background: var(--kui-paper); color: var(--kui-ink); font: 400 16px var(--kui-sans); }
.kui-tim input::placeholder { color: #8d8492; }
.kui-tim input:focus { outline: none; border-color: var(--kui-plum); box-shadow: 0 0 0 3px rgba(62, 31, 92, .12); }
.kui-gia-chon { display: flex; align-items: center; gap: 8px; color: var(--kui-muted); font-size: 14px; white-space: nowrap; }
.kui-gia-chon select { height: 44px; padding: 0 34px 0 14px; border: 1px solid var(--kui-line-2); border-radius: 999px; background: var(--kui-paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%233e1f5c' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 14px center; color: var(--kui-ink); font: 500 15px var(--kui-sans); appearance: none; -webkit-appearance: none; cursor: pointer; }
.kui-tab { grid-column: 1 / -1; display: flex; gap: 22px; margin: 0 -20px; padding: 0 20px; overflow-x: auto; scrollbar-width: none; }
.kui-tab::-webkit-scrollbar { display: none; }
.kui-tab button { flex: 0 0 auto; padding: 8px 0 9px; border: 0; border-bottom: 2px solid transparent; background: none; color: var(--kui-muted); font: 500 15px var(--kui-sans); cursor: pointer; }
.kui-tab button:hover { color: var(--kui-ink); }
.kui-tab button.is-active { color: var(--kui-plum); border-bottom-color: var(--kui-plum); font-weight: 600; }
.kui-dem { grid-column: 1 / -1; margin: -4px 0 0; color: var(--kui-muted); font-size: 13px; }
@media (max-width: 640px) {
  .kui-loc .kui-wrap { grid-template-columns: minmax(0, 1fr) auto; padding-top: 10px; padding-bottom: 6px; }
  .kui-tim { max-width: none; }
  .kui-gia-chon span { display: none; }
  .kui-gia-chon select { height: 40px; padding-right: 30px; font-size: 14px; }
  .kui-tim input { height: 40px; }
  .kui-tab { gap: 18px; }
  .kui-tab button { padding: 6px 0 7px; }
  .kui-dem { margin: -6px 0 0; font-size: 12px; }
}

/* ---------- Lưới mẫu ---------- */
.kui-luoi-wrap { padding: clamp(24px, 4vw, 40px) 0 clamp(48px, 7vw, 88px); }
.kui-luoi { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(28px, 3vw, 40px) clamp(16px, 2.2vw, 28px); }
@media (max-width: 1080px) { .kui-luoi { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .kui-luoi { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 14px; } }
.kui-the { min-width: 0; scroll-margin-top: 140px; }
.kui-the[hidden] { display: none; }
.kui-the-anh { position: relative; display: block; aspect-ratio: 4 / 5; overflow: hidden; border-radius: var(--kui-radius); background: #ece3d6; }
.kui-the-anh img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.kui-the-anh:hover img { transform: scale(1.035); }
.kui-the-nhan { position: absolute; left: 10px; top: 10px; padding: 4px 9px; border-radius: 6px; background: rgba(255, 253, 249, .94); color: var(--kui-plum); font-size: 12px; font-weight: 600; }
.kui-the-than { padding-top: 14px; }
.kui-the-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; margin: 0 0 4px; color: var(--kui-muted); font-size: 13px; }
.kui-the-meta strong { color: var(--kui-plum); font-weight: 600; }
.kui-the-meta del { color: #9a919e; }
.kui-the h3 { margin: 0 0 6px; font-family: var(--kui-serif); font-weight: 500; font-size: 20px; line-height: 1.25; color: var(--kui-ink); }
.kui-the h3 a { text-decoration: none; }
.kui-the h3 a:hover { color: var(--kui-plum); }
.kui-the p { margin: 0 0 14px; color: var(--kui-muted); font-size: 14px; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kui-the-nut { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.kui-the-nut .kui-btn { min-height: 40px; padding: 0 10px; font-size: 14px; }
@media (max-width: 760px) {
  .kui-the h3 { font-size: 17px; }
  .kui-the p { font-size: 13px; margin-bottom: 12px; }
  .kui-the-meta { font-size: 12px; }
  .kui-the-nut { grid-template-columns: 1fr; gap: 6px; }
  .kui-the-nut .kui-btn { min-height: 40px; font-size: 13.5px; }
}
.kui-the.kyc-card-vua-xem .kui-the-anh { outline: 3px solid var(--kui-gold-line); outline-offset: 4px; }
.kui-trong { padding: 40px 0; text-align: center; color: var(--kui-muted); }

/* ---------- Khối thiệp mẫu nổi bật ---------- */
.kui-noi-bat { margin: 8px 0 clamp(32px, 5vw, 56px); }
.kui-noi-bat-in { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(24px, 4vw, 56px); align-items: center; padding: clamp(28px, 5vw, 56px); border-radius: 16px; background: var(--kui-plum-2); color: #f7f1ea; }
.kui-noi-bat .kui-eyebrow { color: #d9c08f; }
.kui-noi-bat .kui-h2 { color: #fffaf3; }
.kui-noi-bat p { margin: 0 0 22px; color: rgba(247, 241, 234, .82); line-height: 1.7; max-width: 52ch; }
.kui-noi-bat ul { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 26px; padding: 0; list-style: none; font-size: 14px; color: rgba(247, 241, 234, .9); }
.kui-noi-bat li { display: inline-flex; align-items: center; gap: 8px; }
.kui-noi-bat li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #d9c08f; }
.kui-noi-bat-anh { justify-self: center; width: min(320px, 100%); aspect-ratio: 3 / 4; overflow: hidden; border-radius: 12px; border: 1px solid rgba(217, 192, 143, .45); }
.kui-noi-bat-anh img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 760px) {
  .kui-noi-bat-in { grid-template-columns: 1fr; padding: 26px 20px; border-radius: 14px; }
  .kui-noi-bat-anh { display: none; }
  .kui-noi-bat .kui-btn { width: 100%; }
}

/* ---------- Trang xem một mẫu thiệp ---------- */
.kui-duong-dan { margin: 22px 0 0; font-size: 14px; color: var(--kui-muted); }
.kui-duong-dan a { text-decoration: none; }
.kui-duong-dan a:hover { color: var(--kui-plum); text-decoration: underline; }
.kui-mau { padding: clamp(20px, 3vw, 32px) 0 clamp(36px, 5vw, 64px); }
.kui-mau .kui-wrap { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.kui-mau-anh { position: sticky; top: 24px; overflow: hidden; aspect-ratio: 3 / 4; border-radius: 14px; background: var(--a, #eee); box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 18px 40px -24px rgba(36, 28, 43, .35); }
.kui-mau-anh img { width: 100%; height: 100%; object-fit: cover; }
.kui-mau-tag { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; padding: 0; list-style: none; }
.kui-mau-tag li { padding: 5px 12px; border: 1px solid var(--kui-line-2); border-radius: 999px; font-size: 13px; color: var(--kui-muted); }
.kui-mau-nut { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 30px; }
.kui-mau-gom { margin: 0; padding: 20px 0 0; border-top: 1px solid var(--kui-line); }
.kui-mau-gom h2 { margin: 0 0 10px; font-size: 15px; font-weight: 600; color: var(--kui-ink); font-family: var(--kui-sans); }
.kui-mau-gom ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; margin: 0; padding: 0; list-style: none; }
.kui-mau-gom li { position: relative; padding-left: 18px; color: var(--kui-muted); font-size: 15px; }
.kui-mau-gom li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 1px; background: var(--kui-gold); }
@media (max-width: 860px) {
  .kui-mau .kui-wrap { grid-template-columns: 1fr; }
  .kui-mau-anh { position: relative; top: 0; width: min(420px, 100%); margin: 0 auto; }
  .kui-mau-nut .kui-btn { flex: 1 1 100%; }
  .kui-mau-gom ul { grid-template-columns: 1fr; }
}

/* Bản thiệp mẫu (đọc như khách mời nhận được) */
.kui-thu-wrap { padding: clamp(36px, 6vw, 72px) 0; background: var(--b, #fbf6ee); border-top: 1px solid var(--kui-line); border-bottom: 1px solid var(--kui-line); }
.kui-thu-head { max-width: 640px; margin: 0 auto 26px; text-align: center; }
.kui-thu-head p { margin: 0 auto; color: var(--kui-muted); }
.kui-thu { max-width: 640px; margin: 0 auto; border-radius: 16px; overflow: hidden; background: #fffdf9; color: #2c2430; box-shadow: 0 24px 60px -32px rgba(36, 28, 43, .45); border: 1px solid rgba(0, 0, 0, .06); }
.kui-thu-bia { padding: clamp(36px, 7vw, 64px) clamp(22px, 6vw, 56px); text-align: center; background: var(--a, #efe4d3); color: var(--ink, #3b2d36); }
.kui-thu-bia small { display: block; margin-bottom: 14px; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; opacity: .8; }
.kui-thu-bia h2 { margin: 0 0 10px; font-family: var(--kui-serif); font-weight: 500; font-size: clamp(30px, 6vw, 44px); line-height: 1.15; color: inherit; }
.kui-thu-bia p { margin: 0 auto; max-width: 40ch; font-size: 16px; line-height: 1.65; }
.kui-thu-ngay { display: inline-block; margin-top: 18px; padding: 8px 16px; border-top: 1px solid currentColor; border-bottom: 1px solid currentColor; font-family: var(--kui-serif); font-size: 20px; letter-spacing: .04em; }
.kui-thu-phan { padding: 26px clamp(22px, 6vw, 48px); border-top: 1px solid #eee5d9; }
.kui-thu-phan h3 { margin: 0 0 14px; font-family: var(--kui-serif); font-weight: 500; font-size: 22px; text-align: center; }
.kui-thu-lich { margin: 0; padding: 0; list-style: none; }
.kui-thu-lich li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px dashed #e7dccd; font-size: 15px; }
.kui-thu-lich li:last-child { border-bottom: 0; }
.kui-thu-lich strong { font-family: var(--kui-serif); font-weight: 500; font-variant-numeric: lining-nums; }
.kui-thu-dia { text-align: center; font-size: 15px; line-height: 1.7; }
.kui-thu-dia strong { display: block; font-size: 17px; }
.kui-thu-dia a { display: inline-block; margin-top: 10px; }
.kui-thu-loi { text-align: center; font-size: 16px; line-height: 1.75; }
.kui-thu-loi .kui-ky { margin-top: 12px; font-family: var(--kui-serif); font-style: italic; }
.kui-thu-rsvp { text-align: center; background: #fbf6ee; }
.kui-thu-rsvp p { margin: 0 0 16px; color: var(--kui-muted); font-size: 15px; }
.kui-thu-rsvp .kui-btn { pointer-events: none; }
.kui-thu-chu { margin: 16px auto 0; max-width: 640px; text-align: center; color: var(--kui-muted); font-size: 13px; }

/* Mẫu khác */
.kui-khac { padding: clamp(40px, 6vw, 72px) 0; }
.kui-khac-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 20px; margin-bottom: 22px; }

/* ---------- Trang /ky-yeu-online/ ---------- */
.kui-chon { padding: 20px 0 0; }
.kui-chon .kui-wrap { display: grid; gap: 10px; }
.kui-chon-the { display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 12px 16px 12px 12px; border: 1px solid var(--kui-gold-line); border-radius: var(--kui-radius); background: var(--kui-paper); }
.kui-chon-anh { display: block; width: 56px; aspect-ratio: 4 / 5; overflow: hidden; border-radius: 8px; background: #ece3d6; }
.kui-chon-anh img { width: 100%; height: 100%; object-fit: cover; }
.kui-chon-chu { min-width: 0; line-height: 1.35; }
.kui-chon-chu small { display: block; color: var(--kui-gold); font-size: 12px; font-weight: 600; }
.kui-chon-chu strong { display: block; font-family: var(--kui-serif); font-weight: 500; font-size: 19px; color: var(--kui-ink); }
.kui-chon-chu span { display: block; color: var(--kui-muted); font-size: 13px; }
.kui-chon-link { display: flex; gap: 16px; font-size: 14px; white-space: nowrap; }
@media (max-width: 560px) {
  .kui-chon-the { grid-template-columns: 52px minmax(0, 1fr); }
  .kui-chon-link { grid-column: 2; gap: 18px; }
}

.kui-hero-online { padding-top: clamp(32px, 6vw, 72px); }
.kui-hero-online .kui-wrap { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
.kui-hero-online .kui-lead { margin-bottom: 26px; }
.kui-hero-phu { margin: 18px 0 0; color: var(--kui-muted); font-size: 15px; }
.kui-dien-thoai { justify-self: center; }
.kui-dien-thoai span { display: block; width: min(232px, 100%); aspect-ratio: 9 / 18.5; overflow: hidden; border: 10px solid #231a2b; border-radius: 38px; background: #231a2b; box-shadow: 0 30px 60px -30px rgba(36, 28, 43, .55); }
.kui-dien-thoai img { width: 100%; height: 100%; object-fit: cover; border-radius: 28px; }
@media (max-width: 860px) {
  .kui-hero-online .kui-wrap { grid-template-columns: 1fr; }
  .kui-dien-thoai { display: none; }
  .kui-hero-online .kui-hero-actions .kui-btn { flex: 1 1 auto; }
}

.kui-muc { padding: clamp(40px, 6vw, 72px) 0; border-top: 1px solid var(--kui-line); }
.kui-muc-nen { background: #f4eee5; }
.kui-muc-head { max-width: 640px; margin-bottom: clamp(20px, 3vw, 32px); }
.kui-muc-head .kui-h2 { margin: 0; }

.kui-co { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; margin: 0; padding: 0; list-style: none; counter-reset: co; }
.kui-co li { counter-increment: co; position: relative; padding: 18px 0 18px 44px; border-top: 1px solid var(--kui-line); }
.kui-co li::before { content: counter(co, decimal-leading-zero); position: absolute; left: 0; top: 19px; font-family: var(--kui-serif); font-style: italic; font-size: 20px; color: var(--kui-gold); }
.kui-co h3, .kui-buoc h3 { margin: 0 0 4px; font-family: var(--kui-serif); font-weight: 500; font-size: 20px; line-height: 1.3; color: var(--kui-ink); }
.kui-co p, .kui-buoc p { margin: 0; color: var(--kui-muted); font-size: 15px; line-height: 1.6; max-width: 46ch; }

.kui-buoc { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin: 0; padding: 0; list-style: none; counter-reset: buoc2; }
.kui-buoc li { counter-increment: buoc2; position: relative; padding-top: 52px; }
.kui-buoc li::before { content: counter(buoc2); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--kui-plum); color: #fff; font: 600 15px/1 var(--kui-sans); }
.kui-buoc li::after { content: ""; position: absolute; left: 46px; right: -14px; top: 18px; height: 1px; background: var(--kui-line-2); }
.kui-buoc li:last-child::after { display: none; }

.kui-hai-cot { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
.kui-vd-link { padding: 22px 24px; border: 1px solid var(--kui-line-2); border-radius: var(--kui-radius); background: var(--kui-paper); }
.kui-vd-link small { display: block; color: var(--kui-muted); font-size: 13px; }
.kui-vd-link strong { display: block; margin: 6px 0 8px; font: 600 20px/1.3 var(--kui-sans); color: var(--kui-plum); letter-spacing: .01em; }
.kui-vd-link p { margin: 0; color: var(--kui-muted); font-size: 14px; }

.kui-hoi-wrap { max-width: 860px; }
.kui-hoi details { border-top: 1px solid var(--kui-line-2); }
.kui-hoi details:last-child { border-bottom: 1px solid var(--kui-line-2); }
.kui-hoi summary { position: relative; padding: 18px 40px 18px 0; cursor: pointer; list-style: none; font-weight: 600; font-size: 16px; color: var(--kui-ink); }
.kui-hoi summary::-webkit-details-marker { display: none; }
.kui-hoi summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px; margin-top: -7px; border-right: 1.6px solid var(--kui-plum); border-bottom: 1.6px solid var(--kui-plum); transform: rotate(45deg); transition: transform .2s ease; }
.kui-hoi details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.kui-hoi details p { margin: -4px 0 18px; max-width: 64ch; color: var(--kui-muted); font-size: 15px; line-height: 1.7; }

.kui-cuoi { padding: clamp(40px, 6vw, 72px) 0; }
.kui-cuoi-in { display: grid; grid-template-columns: minmax(0, 1.3fr) auto; gap: 24px 48px; align-items: center; padding: clamp(28px, 4vw, 48px); border-radius: 16px; background: var(--kui-plum-2); color: #f7f1ea; }
.kui-cuoi .kui-h2 { color: #fffaf3; margin-bottom: 8px; }
.kui-cuoi p { margin: 0; max-width: 52ch; color: rgba(247, 241, 234, .82); line-height: 1.7; }
.kui-cuoi-nut { display: flex; flex-wrap: wrap; gap: 12px; }

@media (max-width: 860px) {
  .kui-co { grid-template-columns: 1fr; }
  .kui-buoc { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .kui-buoc li::after { display: none; }
  .kui-hai-cot { grid-template-columns: 1fr; }
  .kui-cuoi-in { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .kui-buoc { grid-template-columns: 1fr; gap: 0; }
  .kui-buoc li { padding: 16px 0 16px 52px; border-top: 1px solid var(--kui-line-2); }
  .kui-buoc li::before { top: 16px; }
  .kui-cuoi-nut .kui-btn { flex: 1 1 100%; }
  .kui-cuoi-in { padding: 26px 20px; border-radius: 14px; }
}

/* Biểu mẫu đăng ký */
.kui-dang-ky { scroll-margin-top: 12px; }
.kui-dk-luoi { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(24px, 5vw, 64px); align-items: start; }
.kui-dk-chu .kui-lead { margin: 10px 0 18px; }
.kui-dk-y { margin: 0; padding: 0; list-style: none; }
.kui-dk-y li { position: relative; padding: 6px 0 6px 22px; color: var(--kui-ink); font-size: 15px; }
.kui-dk-y li::before { content: ""; position: absolute; left: 2px; top: 13px; width: 10px; height: 6px; border-left: 2px solid var(--kui-plum); border-bottom: 2px solid var(--kui-plum); transform: rotate(-45deg); }
.kui-dk-the { padding: clamp(20px, 3vw, 32px); border: 1px solid var(--kui-line-2); border-radius: 16px; background: var(--kui-paper); }
.kui-form { display: grid; gap: 16px; }
.kui-form-mau { margin: 0; padding: 10px 14px; border-radius: 10px; background: var(--kui-plum-soft); color: var(--kui-ink); font-size: 14px; }
.kui-form-luoi { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.kui-form-rong { grid-column: 1 / -1; }
.kui-form label { display: grid; gap: 6px; color: var(--kui-ink); font-size: 14px; font-weight: 600; }
.kui-form label > b { font-weight: 600; }
.kui-form label > b span { color: #a2475e; }
.kui-form input[type="text"], .kui-form input[type="tel"], .kui-form input[type="email"], .kui-form select, .kui-form textarea { width: 100%; min-height: 46px; padding: 10px 14px; border: 1px solid var(--kui-line-2); border-radius: 10px; background: #fff; color: var(--kui-ink); font: 400 16px/1.4 var(--kui-sans); }
.kui-form textarea { min-height: 96px; resize: vertical; }
.kui-form input:focus, .kui-form select:focus, .kui-form textarea:focus { outline: none; border-color: var(--kui-plum); box-shadow: 0 0 0 3px rgba(62, 31, 92, .12); }
.kui-form input::placeholder, .kui-form textarea::placeholder { color: #9a919e; }
.kui-form .kui-form-dong-y { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--kui-muted); }
.kui-form-dong-y input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--kui-plum); flex: 0 0 auto; }
.kui-form .kui-btn { justify-self: start; min-width: 180px; }
.kui-bay { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.kui-dk-bao { margin: 0 0 14px; padding: 10px 14px; border-left: 3px solid #b0465f; background: #fbeef0; color: #6b2335; font-size: 14px; }
.kui-dk-xong h3 { margin: 0 0 6px; font-family: var(--kui-serif); font-weight: 500; font-size: 24px; }
.kui-dk-xong p { margin: 0 0 18px; color: var(--kui-muted); }
@media (max-width: 860px) { .kui-dk-luoi { grid-template-columns: 1fr; } }
@media (max-width: 560px) {
  .kui-form-luoi { grid-template-columns: 1fr; }
  .kui-form .kui-btn { justify-self: stretch; }
  .kui-dk-the { padding: 18px 16px; }
}

/* ---------- Chân trang ---------- */
.kui-chan { border-top: 1px solid var(--kui-line); padding: 26px 0 34px; color: var(--kui-muted); font-size: 14px; }
.kui-chan .kui-wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; }
.kui-chan nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.kui-chan a { text-decoration: none; }
.kui-chan a:hover { color: var(--kui-plum); text-decoration: underline; }

/* ---------- Khối giới thiệu trên trang chủ ---------- */
.kui-home { margin: clamp(48px, 8vw, 104px) 0; padding: 0; }
.kui-home .kui-wrap { max-width: 1200px; }
.kui-home-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 16px 48px; align-items: end; margin-bottom: clamp(24px, 4vw, 36px); }
.kui-home-head .kui-h2 { font-size: clamp(28px, 3.6vw, 44px); margin: 0; }
.kui-home-head .kui-lead { font-size: 16px; }
.kui-home-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2.4vw, 28px); }
.kui-home-the { display: flex; flex-direction: column; border: 1px solid var(--kui-line); border-radius: 14px; background: var(--kui-paper); overflow: hidden; text-decoration: none !important; color: var(--kui-ink) !important; transition: border-color .2s ease; }
.kui-home-the:hover { border-color: var(--kui-gold-line); }
.kui-home-anh { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; padding: 6px; }
.kui-home-anh span { display: block; aspect-ratio: 3 / 4; overflow: hidden; border-radius: 8px; background: #ece3d6; }
.kui-home-anh img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.kui-home-the:hover .kui-home-anh img { transform: scale(1.03); }
.kui-home-chu { padding: 18px 22px 22px; }
.kui-home-chu small { display: block; margin-bottom: 4px; color: var(--kui-gold); font-size: 13px; font-weight: 600; }
.kui-home-chu h3 { margin: 0 0 6px; font-family: var(--kui-serif); font-weight: 500; font-size: clamp(21px, 2.2vw, 26px); line-height: 1.25; color: var(--kui-ink); }
.kui-home-chu p { margin: 0 0 14px; color: var(--kui-muted); font-size: 15px; line-height: 1.6; }
.kui-home-chu .kui-link { font-size: 15px; }
@media (max-width: 760px) {
  .kui-home-head { grid-template-columns: 1fr; }
  .kui-home-grid { grid-template-columns: 1fr; }
}

/* ---------- Trang chủ gọn (inc/trang-chu-gon.php) ---------- */
/* Nội dung gốc của trang chủ có CSS riêng cho h2/section; chặn lại trong phạm vi các khối mới. */
.kui-tc-trang { background: var(--kui-bg); }
.kui-tc-trang h2, .kui-tc-trang h3, .kui-home h2, .kui-home h3 { border: 0 !important; padding-left: 0 !important; padding-right: 0 !important; background: none !important; }
.kui-tc-trang h2::before, .kui-tc-trang h2::after, .kui-home h2::before, .kui-home h2::after { content: none !important; display: none !important; }
.kui-tc-trang p { text-indent: 0; }
/* Cỡ chữ, màu chữ của phần mới không bị CSS chung của trang chủ (vd. ".entry-content h2/p") ghi đè. */
html body .kui-tc-trang .kui-h2, html body .kui-home .kui-h2 { font-family: var(--kui-serif) !important; font-weight: 500 !important; font-size: clamp(26px, 3.4vw, 38px) !important; line-height: 1.18 !important; letter-spacing: -.008em !important; color: var(--kui-ink) !important; text-transform: none !important; }
html body .kui-home .kui-home-head .kui-h2 { font-size: clamp(28px, 3.6vw, 44px) !important; }
html body .kui-tc-trang .kui-cuoi .kui-h2 { color: #fffaf3 !important; }
html body .kui-tc-trang .kui-eyebrow, html body .kui-home .kui-eyebrow { font: 600 14px/1.4 var(--kui-sans) !important; letter-spacing: .02em !important; text-transform: none !important; color: var(--kui-gold) !important; }
html body .kui-tc-trang .kui-lead, html body .kui-home .kui-lead { font-family: var(--kui-sans) !important; font-size: clamp(16px, 1.6vw, 18px) !important; line-height: 1.7 !important; color: var(--kui-muted) !important; }
html body .kui-home .kui-home-head .kui-lead { font-size: 16px !important; }
html body .kui-tc-trang .kui-co h3, html body .kui-tc-trang .kui-tc-the h3, html body .kui-home .kui-home-chu h3 { font-family: var(--kui-serif) !important; font-weight: 500 !important; color: var(--kui-ink) !important; letter-spacing: 0 !important; text-transform: none !important; }
html body .kui-tc-trang .kui-co h3 { font-size: 20px !important; line-height: 1.3 !important; }
html body .kui-tc-trang .kui-tc-the h3 { font-size: 18px !important; line-height: 1.3 !important; }
html body .kui-home .kui-home-chu h3 { font-size: clamp(21px, 2.2vw, 26px) !important; line-height: 1.25 !important; }
html body .kui-tc-trang .kui-co p, html body .kui-home .kui-home-chu p, html body .kui-tc-trang .kui-dk-y li, html body .kui-tc-trang .kui-tc-ncc { font-family: var(--kui-sans) !important; font-size: 15px !important; line-height: 1.6 !important; color: var(--kui-muted) !important; }
html body .kui-tc-trang .kui-dk-y li { color: var(--kui-ink) !important; }
html body .kui-tc-trang .kui-cuoi-in p { font-family: var(--kui-sans) !important; font-size: 16px !important; line-height: 1.7 !important; color: rgba(247, 241, 234, .82) !important; }
html body .kui-home .kui-home-chu small { font: 600 13px/1.4 var(--kui-sans) !important; color: var(--kui-gold) !important; text-transform: none !important; letter-spacing: 0 !important; }
.kui-tc-trang .kui-tc, .kui-tc-trang .kui-home { margin: 0 !important; padding: clamp(40px, 6vw, 80px) 0 !important; border: 0; }
.kui-tc-trang .kui-home { background: var(--kui-paper); border-top: 1px solid var(--kui-line); border-bottom: 1px solid var(--kui-line); }
.kui-tc-trang .kui-tc-cach { background: #f4eee5; }
.kui-tc-trang .kui-tc-gt { padding-top: clamp(28px, 4vw, 56px) !important; }
.kui-tc-ncc { text-wrap: balance; }
.kui-tc-trang .kui-cuoi { padding-bottom: clamp(32px, 5vw, 56px) !important; }

.kui-tc-dau { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 64px); align-items: center; margin-bottom: clamp(28px, 4vw, 44px); }
.kui-tc-dau-mot { grid-template-columns: minmax(0, 1fr); }
.kui-tc-dau .kui-lead { margin-top: 12px; }
.kui-tc-anh { margin: 0; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 14px; background: #ece3d6; }
.kui-tc-anh img { width: 100%; height: 100%; object-fit: cover; }
.kui-tc-dv { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 28px; }
.kui-tc-dv li { padding: 52px 0 4px; }
.kui-tc-dv li::before { top: 18px; }
.kui-tc-dv h3 { font-size: 20px; }
.kui-tc-dv p { margin-bottom: 10px !important; }
.kui-tc-dv .kui-link { font-size: 15px; }

.kui-tc-hang { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px 32px; flex-wrap: wrap; margin-bottom: clamp(20px, 3vw, 32px); }
.kui-tc-hang .kui-h2 { margin: 0; }
.kui-tc-luoi { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2vw, 24px); }
.kui-tc-the { display: block; text-decoration: none !important; color: var(--kui-ink) !important; }
.kui-tc-the span { display: block; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 12px; background: #ece3d6; }
.kui-tc-the img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.kui-tc-the:hover img { transform: scale(1.03); }
.kui-tc-the h3 { margin: 10px 0 0 !important; font-family: var(--kui-serif); font-weight: 500; font-size: 18px; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.kui-tc-hai { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 5vw, 72px); align-items: start; }
.kui-tc-hai .kui-lead { margin: 12px 0 16px; }
.kui-tc-buoc { grid-template-columns: 1fr; }
.kui-tc-buoc li:last-child { border-bottom: 1px solid var(--kui-line); }
.kui-tc-ncc { margin: 16px 0 0; text-align: center; }
html body .kui-tc-trang .kui-cuoi .kui-tc-ncc { color: var(--kui-muted) !important; }
.kui-tc-ncc a { color: var(--kui-plum); font-weight: 600; text-decoration: underline; text-decoration-color: var(--kui-gold-line); text-underline-offset: 4px; }

@media (max-width: 980px) {
  .kui-tc-dv { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
}
@media (max-width: 860px) {
  .kui-tc-dau, .kui-tc-hai { grid-template-columns: 1fr; }
  .kui-tc-anh { aspect-ratio: 16 / 10; }
}
@media (max-width: 640px) {
  .kui-tc-dv { grid-template-columns: 1fr; }
  .kui-tc-dv li { padding: 16px 0 14px 44px; }
  .kui-tc-dv li::before { top: 17px; }
  .kui-tc-luoi { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 12px; }
  html body .kui-tc-trang .kui-tc-the h3 { font-size: 16px !important; }
  .kui-tc-luoi .kui-tc-the:nth-child(n+5) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .kui *, .kui *::before, .kui *::after { transition: none !important; animation: none !important; }
}