/* ==========================================================================
   thanh-phan.css — các khối trên trang
   ========================================================================== */

/* ---------- Thanh điều hướng ---------- */
.thanh {
  position: sticky; top: 0; z-index: 90;
  background: rgba(250, 247, 240, .88);
  backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.thanh.dinh { border-bottom-color: var(--vien); box-shadow: var(--bong-nhe); }
.thanh-trong {
  display: flex; align-items: center; gap: 22px;
  height: 64px;
}
.hieu {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; font-weight: 800; letter-spacing: -.02em;
  font-size: 15px; flex: none;
}
.hieu-dau {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--chinh); color: #F4FAF8;
  display: grid; place-items: center;
  font-family: var(--chu-hien); font-size: 15px; font-weight: 600;
}
.hieu-phu { font-weight: 500; color: var(--muc-mo); font-size: 13px; }
.thanh-lk { display: flex; gap: 26px; margin-left: auto; }
.thanh-lk a {
  text-decoration: none; font-size: 14px; font-weight: 600; color: var(--muc-2);
  padding: 6px 0; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s;
}
.thanh-lk a:hover { color: var(--chinh); border-bottom-color: var(--chinh); }
@media (max-width: 980px) { .thanh-lk { display: none; } .thanh-trong .nut { margin-left: auto; } .hieu-phu { display: none; } }

/* ---------- Mở đầu (hero) ---------- */
.md { padding: clamp(44px, 6vw, 84px) 0 clamp(50px, 6vw, 78px); position: relative; overflow: hidden; }
.md::after {
  content: ""; position: absolute; inset: auto -10% -55% 55%;
  height: 460px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(15, 61, 58, .07), transparent);
  pointer-events: none;
}
.md-luoi {
  display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: clamp(32px, 5vw, 66px); align-items: center; position: relative; z-index: 1;
}
@media (max-width: 1000px) { .md-luoi { grid-template-columns: 1fr; gap: 38px; } }

.md h1 { margin-bottom: 22px; }
.md h1 .nhan-chu { color: var(--chinh); }
.md-chip { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 26px; }
.md-nut { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 0; }
.md-tin {
  display: flex; flex-wrap: wrap; gap: 8px 24px;
  margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--vien);
  font-size: 13.5px; color: var(--muc-nhat);
}
.md-tin b { color: var(--muc); }

/* Phiếu khoá học bên phải */
.phieu {
  background: var(--trang); border: 1px solid var(--vien);
  border-radius: 18px; box-shadow: var(--bong-vua); overflow: hidden;
}
.phieu-dinh {
  background: var(--muc); color: var(--nen);
  padding: 16px 22px; display: flex; align-items: center; gap: 10px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}
.phieu-than { padding: 22px; }
.phieu-hang {
  display: flex; justify-content: space-between; align-items: baseline; gap: 14px;
  padding: 11px 0; border-bottom: 1px dashed var(--vien);
  font-size: 14px;
}
.phieu-hang:last-of-type { border-bottom: 0; }
.phieu-hang dt { color: var(--muc-nhat); margin: 0; }
.phieu-hang dd { margin: 0; font-weight: 700; text-align: right; }
.phieu-tien {
  margin-top: 16px; padding-top: 18px; border-top: 2px solid var(--muc);
  display: flex; align-items: flex-end; justify-content: space-between; gap: 12px;
}
.phieu-tien .gia {
  font-family: var(--chu-hien); font-size: 2.3rem; line-height: 1;
  letter-spacing: -.03em; font-weight: 450;
}
.phieu-tien .gia-cu { font-size: 14px; color: var(--muc-mo); text-decoration: line-through; }
.phieu-cho {
  margin-top: 16px; height: 7px; border-radius: 99px; background: var(--nen-3); overflow: hidden;
}
.phieu-cho span { display: block; height: 100%; border-radius: 99px; background: var(--nhan); }

/* ---------- Bảng Tay vs AI ---------- */
.bang-so { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.bang-so th, .bang-so td { padding: 13px 14px; text-align: left; border-bottom: 1px solid var(--vien); }
.bang-so thead th {
  font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muc-nhat); border-bottom: 1.5px solid var(--vien-dam); white-space: nowrap;
}
.bang-so tbody tr { transition: background .15s; }
.bang-so tbody tr:hover { background: var(--nen-2); }
.bang-so .canh-phai { text-align: right; }
.bang-so .tay { font-family: var(--chu-so); color: var(--muc-nhat); }
.bang-so .ai   { font-family: var(--chu-so); color: var(--tot); font-weight: 600; }
.bang-so .lan {
  font-family: var(--chu-so); font-weight: 600; text-align: right;
  color: var(--nhan); white-space: nowrap;
}
.bang-cuon { overflow-x: auto; -webkit-overflow-scrolling: touch; }
@media (max-width: 640px) { .bang-so { min-width: 560px; } }

/* ---------- Bảng demo đối chiếu ---------- */
.doi-chieu {
  background: var(--trang); border: 1px solid var(--vien);
  border-radius: var(--bo-goc); overflow: hidden;
}
.doi-chieu-dinh {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  padding: 14px 18px; background: var(--nen-2); border-bottom: 1px solid var(--vien);
}
.tep-nhan {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--chu-so); font-size: 12px; color: var(--muc-2);
  background: var(--trang); border: 1px solid var(--vien); border-radius: 7px; padding: 5px 10px;
}
.doi-chieu-dinh .nut { margin-left: auto; }
.o-luoi { width: 100%; border-collapse: collapse; font-family: var(--chu-so); font-size: 12.5px; }
.o-luoi th, .o-luoi td { padding: 9px 12px; border-bottom: 1px solid var(--vien); text-align: left; white-space: nowrap; }
.o-luoi thead th {
  background: var(--nen-3); font-family: var(--chu-than); font-size: 10.5px;
  font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muc-2);
}
.o-luoi td.tien, .o-luoi th.tien { text-align: right; }
.o-luoi td.tien { font-variant-numeric: tabular-nums; }
.o-luoi tbody tr { transition: background .3s ease; }
.o-luoi tbody tr.dang-soi { background: var(--nhan-mo); }
.o-luoi tbody tr.khop   { background: var(--tot-mo); }
.o-luoi tbody tr.lech   { background: var(--canh-mo); }
.o-luoi .kq { font-family: var(--chu-than); font-size: 11.5px; font-weight: 700; }
.o-luoi tr.khop .kq { color: var(--tot); }
.o-luoi tr.lech .kq { color: var(--canh); }
.doi-chieu-day {
  padding: 14px 18px; background: var(--nen-2); border-top: 1px solid var(--vien);
  font-size: 13.5px; min-height: 52px; display: flex; align-items: center; gap: 10px;
}
.doi-chieu-cuon { overflow-x: auto; }
@media (max-width: 720px) { .o-luoi { min-width: 620px; } }

/* ---------- Prompt playground ---------- */
.pp { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 24px; }
@media (max-width: 900px) { .pp { grid-template-columns: 1fr; } }
.pp-danh { display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 900px) { .pp-danh { flex-direction: row; overflow-x: auto; padding-bottom: 6px; } }
.pp-nut {
  text-align: left; background: var(--trang); border: 1px solid var(--vien);
  border-radius: 11px; padding: 14px 16px; cursor: pointer;
  transition: border-color .15s, background .15s, transform .15s;
  display: flex; gap: 12px; align-items: flex-start; min-width: 220px;
}
.pp-nut:hover { border-color: var(--vien-dam); transform: translateX(2px); }
.pp-nut[aria-selected="true"] { background: var(--muc); color: var(--nen); border-color: var(--muc); }
.pp-nut[aria-selected="true"] .pp-so { background: rgba(250,247,240,.16); color: var(--nen); }
.pp-so {
  font-family: var(--chu-so); font-size: 11px; font-weight: 600;
  background: var(--nen-3); color: var(--muc-2);
  width: 24px; height: 24px; border-radius: 6px; display: grid; place-items: center; flex: none;
}
.pp-ten { display: block; font-size: 14px; font-weight: 700; line-height: 1.35; }
.pp-mo  { display: block; font-size: 12.5px; opacity: .7; margin-top: 3px; line-height: 1.4; }
.pp-o {
  background: var(--muc); color: #E8EDE9; border-radius: var(--bo-goc);
  padding: 22px; font-family: var(--chu-so); font-size: 13px; line-height: 1.72;
  white-space: pre-wrap; overflow-x: auto;
}
.pp-o .khoa { color: #7FC9AE; font-weight: 600; }
.pp-o .chu-thich { color: #8D95A2; }
.pp-sao {
  margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
}

/* ---------- Tình huống nghề ---------- */
.th-luoi { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.th-the {
  background: var(--trang); border: 1px solid var(--vien); border-radius: var(--bo-goc);
  padding: 26px; display: flex; flex-direction: column; gap: 16px;
}
.th-dau { display: flex; align-items: center; gap: 13px; }
.th-anh {
  width: 46px; height: 46px; border-radius: 50%; flex: none;
  background: var(--chinh-mo); color: var(--chinh);
  display: grid; place-items: center;
  font-family: var(--chu-hien); font-size: 19px; font-weight: 500;
}
.th-ten { font-weight: 800; font-size: 15px; }
.th-vai { font-size: 12.5px; color: var(--muc-mo); }
.th-khoi { border-left: 2px solid var(--vien-dam); padding-left: 15px; }
.th-khoi.sau { border-left-color: var(--tot); }
.th-nhan {
  font-size: 10.5px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muc-mo); margin-bottom: 5px;
}
.th-khoi.sau .th-nhan { color: var(--tot); }
.th-khoi p { margin: 0; font-size: 14.5px; line-height: 1.6; }

/* ---------- Ba level ---------- */
.lv-luoi { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; align-items: start; }
.lv {
  background: var(--trang); border: 1px solid var(--vien); border-radius: 16px;
  padding: 28px; position: relative; display: flex; flex-direction: column; height: 100%;
}
.lv.noi { border-color: var(--chinh); border-width: 1.5px; box-shadow: var(--bong-vua); }
.lv-co {
  position: absolute; top: -12px; left: 28px;
  background: var(--chinh); color: #F4FAF8;
  font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  padding: 5px 13px; border-radius: 99px;
}
.lv-bac { font-size: 11.5px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; color: var(--nhan); }
.lv-ten { font-family: var(--chu-hien); font-size: 1.65rem; letter-spacing: -.025em; margin: 6px 0 4px; font-weight: 420; }
.lv-thoi { font-size: 13px; color: var(--muc-mo); font-family: var(--chu-so); }
.lv-gia {
  margin: 18px 0; padding: 16px 0; border-top: 1px solid var(--vien); border-bottom: 1px solid var(--vien);
  display: flex; align-items: baseline; gap: 9px;
}
.lv-gia .con { font-family: var(--chu-hien); font-size: 2.1rem; font-weight: 450; letter-spacing: -.03em; }
.lv-gia .don { font-size: 13px; color: var(--muc-mo); }
.lv-ds { list-style: none; margin: 0 0 22px; padding: 0; display: flex; flex-direction: column; gap: 11px; flex: 1; }
.lv-ds li { position: relative; padding-left: 22px; font-size: 14.5px; line-height: 1.5; }
.lv-ds li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--tot); font-weight: 800; font-size: 13px; line-height: 1.75;
}
.lv-buoi { font-size: 13.5px; }
.lv-buoi b { display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--nhan); margin-bottom: 3px; }

/* ---------- Máy tính tiết kiệm ---------- */
.mt { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(26px, 4vw, 52px); align-items: center; }
@media (max-width: 900px) { .mt { grid-template-columns: 1fr; } }
.mt-thanh { display: flex; flex-direction: column; gap: 26px; }
.mt-truot label { display: flex; justify-content: space-between; align-items: baseline; font-size: 14px; font-weight: 600; margin-bottom: 10px; gap: 12px; }
.mt-truot output { font-family: var(--chu-so); font-size: 15px; font-weight: 600; color: var(--chinh); }
input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 5px;
  background: var(--nen-3); border-radius: 99px; outline: none; margin: 0;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--chinh); border: 3px solid var(--trang);
  box-shadow: 0 2px 8px rgba(15, 61, 58, .35); cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--trang);
  background: var(--chinh); box-shadow: 0 2px 8px rgba(15, 61, 58, .35); cursor: pointer;
}
input[type="range"]:focus-visible { outline: 3px solid var(--nhan); outline-offset: 4px; }
.mt-kq { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--vien); border: 1px solid var(--vien); border-radius: var(--bo-goc); overflow: hidden; }
.mt-o { background: var(--trang); padding: 22px; }
.mt-o .con-so {
  font-family: var(--chu-hien); font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  font-weight: 450; letter-spacing: -.035em; line-height: 1.05; color: var(--chinh);
  font-variant-numeric: tabular-nums;
}
.mt-o .nhan-o { font-size: 12.5px; color: var(--muc-nhat); margin-top: 6px; line-height: 1.4; }
.mt-hv {
  margin-top: 16px; padding: 15px 18px; border-radius: 11px;
  background: var(--chinh-mo); border: 1px solid #CBDCD8; font-size: 14px;
}
.mt-hv b { color: var(--chinh); }

/* ---------- Hình thức học ---------- */
.ht-luoi { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 20px; }
.ht {
  background: var(--trang); border: 1px solid var(--vien); border-radius: var(--bo-goc);
  padding: 24px; display: flex; flex-direction: column; gap: 13px;
}
.ht-bieu { font-size: 22px; line-height: 1; }
.ht-ten { font-weight: 800; font-size: 16px; }
.ht-gia { font-family: var(--chu-so); font-size: 13.5px; font-weight: 600; color: var(--nhan); }
.ht ul { margin: 0; padding-left: 18px; font-size: 14px; color: var(--muc-nhat); line-height: 1.62; }

/* ---------- Cam kết ---------- */
.ck { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(26px, 4vw, 56px); align-items: center; }
@media (max-width: 860px) { .ck { grid-template-columns: 1fr; } }
.ck-dau {
  width: 108px; height: 108px; border-radius: 50%;
  border: 2px solid var(--nhan); color: var(--nhan);
  display: grid; place-items: center; text-align: center;
  font-family: var(--chu-hien); line-height: 1; margin-bottom: 24px;
}
.ck-dau b { display: block; font-size: 30px; font-weight: 500; }
.ck-dau span { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; font-family: var(--chu-than); font-weight: 700; }
.ck-ds { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.ck-ds li { position: relative; padding-left: 26px; font-size: 15px; line-height: 1.55; }
.ck-ds li::before { content: "→"; position: absolute; left: 0; top: 0; color: var(--nhan); font-weight: 800; }

/* ---------- Giảng viên ---------- */
.gv { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: clamp(28px, 4vw, 54px); align-items: start; }
@media (max-width: 860px) { .gv { grid-template-columns: 1fr; } }
.gv-anh {
  aspect-ratio: 4 / 5; border-radius: 16px; overflow: hidden;
  background: linear-gradient(160deg, var(--nen-3), var(--nen-2));
  border: 1px solid var(--vien); display: grid; place-items: center;
  font-family: var(--chu-hien); font-size: 4.6rem; color: var(--chinh); font-weight: 400;
}
.gv-tk { list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--vien); border: 1px solid var(--vien); border-radius: var(--bo-goc); overflow: hidden; }
.gv-tk li { background: var(--trang); padding: 18px 20px; }
.gv-tk b { display: block; font-family: var(--chu-hien); font-size: 1.55rem; font-weight: 450; letter-spacing: -.03em; color: var(--chinh); line-height: 1.1; }
.gv-tk span { font-size: 12.5px; color: var(--muc-nhat); }
.gv-ds { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.gv-ds li { position: relative; padding-left: 26px; font-size: 15px; line-height: 1.58; }
.gv-ds li::before { content: "—"; position: absolute; left: 0; top: 0; color: var(--nhan); font-weight: 700; }

/* ---------- Gói ưu đãi ---------- */
.goi-luoi { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 20px; }
.goi {
  border: 1px solid rgba(250, 247, 240, .2); border-radius: 16px; padding: 26px;
  background: rgba(250, 247, 240, .045); display: flex; flex-direction: column; gap: 14px;
}
.goi-ten { font-family: var(--chu-hien); font-size: 1.5rem; font-weight: 450; letter-spacing: -.025em; }
.goi-gia { display: flex; align-items: baseline; gap: 11px; flex-wrap: wrap; }
.goi-gia .cu { text-decoration: line-through; color: rgba(250,247,240,.45); font-family: var(--chu-so); font-size: 14px; }
.goi-gia .moi { font-family: var(--chu-hien); font-size: 2.15rem; font-weight: 450; letter-spacing: -.03em; color: #7FC9AE; }
.goi-tk { font-size: 13px; color: rgba(250,247,240,.62); }

/* ---------- Nam châm (lead magnet) ---------- */
.nc {
  background: var(--nhan-mo); border: 1px solid #E7CFB2; border-radius: 18px;
  padding: clamp(26px, 4vw, 44px);
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: center;
}
@media (max-width: 760px) { .nc { grid-template-columns: 1fr; } }

/* ---------- Câu hỏi ---------- */
.ch { border-top: 1px solid var(--vien); }
.ch details { border-bottom: 1px solid var(--vien); }
.ch summary {
  list-style: none; cursor: pointer; padding: 22px 44px 22px 0; position: relative;
  font-size: clamp(1rem, 1.7vw, 1.12rem); font-weight: 700; line-height: 1.45;
}
.ch summary::-webkit-details-marker { display: none; }
.ch summary::after {
  content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  font-family: var(--chu-so); font-size: 22px; font-weight: 400; color: var(--nhan);
  transition: transform .2s ease;
}
.ch details[open] summary::after { content: "−"; }
.ch summary:hover { color: var(--chinh); }
.ch-tl { padding: 0 44px 24px 0; color: var(--muc-nhat); font-size: 15.5px; line-height: 1.68; }
.ch-tl p { margin: 0 0 12px; }
.ch-tl p:last-child { margin-bottom: 0; }

/* ---------- Đăng ký ---------- */
.dk { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); }
@media (max-width: 860px) { .dk { grid-template-columns: 1fr; } }
.dk-form { display: flex; flex-direction: column; gap: 16px; }
.o-nhap label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 7px; }
.o-nhap input, .o-nhap select, .o-nhap textarea {
  width: 100%; padding: 13px 15px; border-radius: 10px;
  border: 1px solid var(--vien-dam); background: var(--trang);
  font-family: var(--chu-than); font-size: 15px; color: var(--muc);
}
.o-nhap textarea { min-height: 92px; resize: vertical; }
.o-nhap input:focus, .o-nhap select:focus, .o-nhap textarea:focus {
  outline: none; border-color: var(--chinh); box-shadow: 0 0 0 3px var(--chinh-mo);
}
.o-nhap .loi { color: var(--canh); font-size: 12.5px; margin-top: 6px; display: none; }
.o-nhap.hong input, .o-nhap.hong select { border-color: var(--canh); }
.o-nhap.hong .loi { display: block; }
.dk-bao {
  padding: 14px 16px; border-radius: 10px; font-size: 14.5px; display: none; line-height: 1.5;
}
.dk-bao.hien-ra { display: block; }
.dk-bao.duoc { background: var(--tot-mo); border: 1px solid #BFE0D2; color: #0C5B41; }
.dk-bao.hong { background: var(--canh-mo); border: 1px solid #E8C3B4; color: var(--canh); }
.lh-ds { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.lh-ds li { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--vien); align-items: center; }
.lh-ds .bieu { font-size: 18px; width: 26px; text-align: center; flex: none; }
.lh-ds a { text-decoration: none; font-weight: 700; }
.lh-ds a:hover { color: var(--chinh); text-decoration: underline; }
.lh-ds .nhan-lh { font-size: 12px; color: var(--muc-mo); display: block; font-weight: 400; }

/* ---------- Chân trang ---------- */
.chan { background: var(--muc); color: rgba(250, 247, 240, .68); padding: 56px 0 30px; font-size: 14px; }
.chan-luoi { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(auto-fit, minmax(150px, 1fr)); gap: 34px; }
.chan h4 { font-size: 11.5px; letter-spacing: .13em; text-transform: uppercase; color: rgba(250,247,240,.42); margin: 0 0 14px; font-weight: 800; }
.chan ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.chan a { color: rgba(250, 247, 240, .78); text-decoration: none; }
.chan a:hover { color: #7FC9AE; }
.chan-day {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(250, 247, 240, .13);
  display: flex; flex-wrap: wrap; gap: 12px 26px; justify-content: space-between;
  font-size: 12.5px; color: rgba(250, 247, 240, .45);
}

/* ---------- Thanh CTA điện thoại ---------- */
.cta-dt {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
  background: rgba(20, 24, 29, .96); backdrop-filter: blur(10px);
  padding: 11px 16px calc(11px + env(safe-area-inset-bottom));
  display: none; align-items: center; gap: 12px;
  transform: translateY(105%); transition: transform .26s ease;
}
.cta-dt.len { transform: translateY(0); }
.cta-dt .tt { color: var(--nen); font-size: 12.5px; line-height: 1.3; flex: 1; min-width: 0; }
.cta-dt .tt b { display: block; font-family: var(--chu-so); font-size: 15px; color: #7FC9AE; }
@media (max-width: 780px) { .cta-dt { display: flex; } body { padding-bottom: 68px; } }

/* ---------- Tóm tắt nhanh ---------- */
.tt-luoi {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(26px, 4vw, 52px); align-items: start;
}
@media (max-width: 900px) { .tt-luoi { grid-template-columns: 1fr; } }
.tt-bang { margin: 0; display: grid; gap: 1px; background: var(--vien); border: 1px solid var(--vien); border-radius: var(--bo-goc); overflow: hidden; }
.tt-bang > div { background: var(--trang); padding: 13px 18px; display: grid; grid-template-columns: minmax(0, 128px) minmax(0, 1fr); gap: 14px; align-items: baseline; }
.tt-bang dt { font-size: 12px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; color: var(--muc-mo); margin: 0; }
.tt-bang dd { margin: 0; font-size: 14.5px; line-height: 1.45; }
@media (max-width: 480px) { .tt-bang > div { grid-template-columns: 1fr; gap: 3px; } }