:root{
  --w:1200px;

  --blue-1:#0b2c9a;
  --blue-2:#0b1f73;
  --nav-blue:#2d56d2;

  --soft:#f3f7ff;
  --text:#1b2430;
  --muted:#6b7a90;

  --gold:#f2d19a;
  --gold-2:#e8c07a;

  --shadow:0 12px 30px rgba(0,0,0,.08);
  --radius:16px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC","Microsoft YaHei", Arial, sans-serif;
  color:var(--text);
  background:#fff;
}

img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}

.container{max-width:var(--w); margin:0 auto; padding:0 16px}

/* topbar */
.topbar{background:#fff}
.topbar__inner{
  height:56px; display:flex; align-items:center; justify-content:space-between;
}
.brand__logo{height:34px; width:auto}
.topbar__txt{color:#6c7a8f; font-size:14px}

/* nav */
.nav{background:var(--nav-blue); position:sticky; top:0; z-index:50}
.nav__inner{height:52px; display:flex; align-items:center; justify-content:space-between}
.nav__links{display:flex; gap:34px; color:#fff; font-size:14px; opacity:.95}
.nav__links a{padding:8px 0}
.nav__right{display:flex; align-items:center; gap:16px; color:#fff}
.nav__phone{display:flex; align-items:center; gap:8px; opacity:.95}
.nav__phoneIcon{
  width:28px; height:28px; border-radius:999px;
  background:rgba(255,255,255,.18);
  display:flex; align-items:center; justify-content:center;
}

/* buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  border:1px solid transparent;
  cursor:pointer;
  transition:.15s ease;
  white-space:nowrap;
}
.btn--pill{border-radius:999px; padding:10px 18px; font-size:14px}
.btn--xl{border-radius:999px; padding:14px 26px; font-size:16px}
.btn--orange{background:#ff8a2a; color:#fff; box-shadow:0 10px 18px rgba(255,138,42,.25)}
.btn--gold{background:linear-gradient(180deg,var(--gold),var(--gold-2)); color:#3a2a11; box-shadow:0 10px 18px rgba(242,209,154,.35)}
.btn--ghost{background:#fff; color:#1a2a60}
.btn--ghostDark{background:#fff; color:#2a3446; border-color:#d8e2f2}
.btn--blue{background:#2b63f3; color:#fff}
.btn--red{background:linear-gradient(90deg,#ff3a2f,#ff0f3d); color:#fff; box-shadow:0 10px 18px rgba(255,20,60,.25)}
.btn:hover{transform:translateY(-1px)}

/* hero */
.hero{
  background:
    radial-gradient(900px 380px at 70% 20%, rgba(255,255,255,.18), transparent 60%),
    linear-gradient(90deg, #1760c8 0%, #0b2c9a 50%, #061a61 100%);
  padding:44px 0 90px;
  position:relative;
}
.hero__inner{display:grid; grid-template-columns: 1.1fr .9fr; gap:24px; align-items:center}
.hero__tag{
  display:inline-flex; padding:10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.18);
  color:#fff; font-weight:600; letter-spacing:.5px;
}
.hero__title{
  margin:18px 0 10px;
  font-size:56px; line-height:1.08;
  color:#fff; font-weight:900;
}
.hero__titleEm{
  background:linear-gradient(180deg,#ffe2b7,#ffd083);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  text-shadow:0 18px 32px rgba(0,0,0,.25);
}
.hero__checks{
  list-style:none; padding:0; margin:18px 0 26px;
  display:flex; gap:18px; color:#fff; opacity:.95; font-size:16px;
}
.hero__checks li{
  display:flex; align-items:center; gap:10px;
}
.hero__checks li::before{
  content:"✓";
  width:22px; height:22px; border-radius:6px;
  background:rgba(255,255,255,.18);
  display:inline-flex; align-items:center; justify-content:center;
  font-weight:800;
}
.hero__cta{display:flex; gap:16px; flex-wrap:wrap}
.hero__badge{max-width:520px; margin-left:auto; filter:drop-shadow(0 22px 28px rgba(0,0,0,.25))}

/* triple cards */
.triple{background:#f4f7ff; padding:0 0 22px; margin-top:-52px}
.triple__inner{
  display:grid; grid-template-columns:repeat(3,1fr); gap:18px;
}
.tripleCard{
  background:#fff; border-radius:14px; box-shadow:var(--shadow);
  padding:22px 22px 18px;
  position:relative;
  border:1px solid rgba(24,62,160,.10);
}
.tripleCard h3{
  margin:0 0 14px;
  font-size:18px; font-weight:800; text-align:center;
  color:#fff;
  padding:10px 0;
  border-radius:999px;
}
.tripleCard p{margin:0; text-align:center; color:#4b5b72; line-height:1.6}
.tripleCard--orange h3{background:linear-gradient(90deg,#ff7a1a,#ff9b4a)}
.tripleCard--blue h3{background:linear-gradient(90deg,#2c67ff,#56b6ff)}
.tripleCard--pink h3{background:linear-gradient(90deg,#ff2a5e,#ff8c8c)}

/* section titles */
.section{padding:56px 0}
.section--soft{background:#f3f7ff}
.sectionTitle{
  display:flex; align-items:center; justify-content:center;
  gap:18px; margin-bottom:24px;
}
.sectionTitle h2{margin:0; font-size:34px; font-weight:900; letter-spacing:.5px}
.sectionTitle--white h2{color:#fff}
.wing{
  width:46px; height:14px;
  background:linear-gradient(90deg,#ff7a1a,#2b63f3);
  clip-path:polygon(0 50%, 100% 0, 82% 50%, 100% 100%);
  opacity:.95;
}
.wing--right{transform:scaleX(-1)}

/* cert intro */
.certIntro{
  background:#fff; border-radius:18px; box-shadow:var(--shadow);
  overflow:hidden;
}
.certIntro__top{
  display:grid; grid-template-columns: 1.25fr .75fr;
  gap:0;
  background:linear-gradient(135deg,#1d6df0,#2ab5ff);
  padding:26px;
  position:relative;
}
.certIntro__top::after{
  content:"";
  position:absolute; right:-180px; bottom:-200px;
  width:520px; height:520px; border-radius:50%;
  background:rgba(255,255,255,.10);
}
.certIntro__text{color:#fff; position:relative; z-index:1}
.certIntro__text p{margin:0 0 14px; line-height:1.75; font-size:14px; opacity:.95}
.certIntro__pills{display:flex; gap:12px; flex-wrap:wrap; margin-top:12px}
.pill{
  display:inline-flex; padding:10px 16px; border-radius:999px;
  background:linear-gradient(180deg,#ffe2b7,#ffd083);
  color:#3a2a11; font-weight:800; font-size:13px;
}
.certIntro__imgs{
  display:flex; flex-direction:column; gap:14px;
  align-items:flex-end;
  position:relative; z-index:1;
}
.certIntro__imgs img{
  width:320px; border-radius:10px; box-shadow:0 14px 24px rgba(0,0,0,.18);
  background:#fff;
}

.certIntro__bottom{padding:22px 26px 28px; background:#fff}
.subTitle{margin:0 0 14px; text-align:center; font-size:22px; font-weight:900; color:#1d3e9a}
.valueList{list-style:none; padding:0; margin:0; display:grid; gap:12px}
.valueList li{
  display:grid; grid-template-columns:120px 1fr;
  align-items:center;
  background:#f6f9ff;
  border-radius:999px;
  padding:10px 14px;
}
.valueTag{
  display:inline-flex; justify-content:center;
  padding:10px 0; border-radius:999px; color:#fff; font-weight:900; letter-spacing:.5px;
}
.valueTag--blue{background:linear-gradient(90deg,#2c67ff,#56b6ff)}
.valueTag--orange{background:linear-gradient(90deg,#ff7a1a,#ffb066)}
.valueList span:last-child{color:#4a5b72; font-size:14px}

/* lead title */
.leadTitle{text-align:center; margin-bottom:22px}
.leadTitle h2{margin:0; font-size:28px; font-weight:900; color:#1a3c9b}
.leadTitle p{margin:8px 0 0; color:#9aa8bf; letter-spacing:1px}

/* goals */
.goalRow{margin:18px 0 18px}
.goalBox{
  background:#fff; border-radius:18px; box-shadow:var(--shadow);
  display:grid; grid-template-columns: 320px 1fr;
  overflow:hidden;
}
.goalBox__left{
  background:linear-gradient(135deg,#1d6df0,#2ab5ff);
  padding:26px; color:#fff; position:relative;
}
.goalBadge{
  width:54px; height:30px; border-radius:8px;
  background:linear-gradient(180deg,#ff2a5e,#ff8c8c);
  display:flex; align-items:center; justify-content:center;
  font-weight:900;
}
.goalBox__left h3{margin:14px 0 0; font-size:24px; font-weight:900}
.goalBox__right{
  display:grid; grid-template-columns:repeat(3,1fr);
  padding:18px 18px 12px;
  align-items:center;
}
.goalItem{
  text-align:center; padding:10px 10px 12px;
}
.goalIcon{
  display:inline-flex; width:46px; height:46px; border-radius:50%;
  background:#eef5ff; align-items:center; justify-content:center;
  font-size:22px;
  margin-bottom:10px;
}
.goalItem p{margin:0; color:#5a6c85; line-height:1.4; font-size:14px}

/* two col paper cards */
.twoCol{display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-top:18px}
.paperCard{
  border-radius:18px; box-shadow:var(--shadow);
  padding:22px 22px 18px;
  position:relative;
  overflow:hidden;
}
.paperCard--left{background:linear-gradient(135deg,#f9d8a5,#f7c37f)}
.paperCard--right{background:linear-gradient(135deg,#f9d8a5,#f7c37f)}
.paperBadge{
  position:absolute; top:14px; left:16px;
  width:54px; height:30px; border-radius:8px;
  background:linear-gradient(180deg,#ff2a5e,#ff8c8c);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-weight:900;
}
.paperCard h3{margin:20px 0 14px; font-size:22px; font-weight:900; color:#2f2a1f}
.paperCard p{margin:0; line-height:1.75; color:#3b3a33; opacity:.92}
.paperGrid{display:grid; grid-template-columns:1fr 220px; gap:14px; align-items:end}
.paperPic img{width:220px; height:auto}
.paperRule{margin:10px 0; padding-top:10px; border-top:1px dashed rgba(60,60,60,.25)}
.paperRule strong{display:block; font-size:16px}
.paperRule span{display:block; margin-top:4px}

/* flow section */
.flow{
  background:linear-gradient(135deg,#1d6df0,#2ab5ff);
  padding:56px 0;
}
.flowCard{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.18);
  border-radius:18px;
  padding:18px;
  color:#fff;
}
.stepper{
  list-style:none; padding:0; margin:0;
  display:grid;
  grid-template-columns: repeat(10, minmax(0,1fr));
  gap:10px;
}
.step{
  background:#fff;
  color:#2a3b56;
  border-radius:10px;
  padding:10px 10px;
  font-size:12px;
  line-height:1.25;
  min-height:52px;
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  box-shadow:0 10px 16px rgba(0,0,0,.10);
}
.step span{font-weight:900}
.step small{display:block; color:#ff7a1a; font-weight:900}
.flowNote{margin:14px 0 0; font-size:12px; opacity:.9; text-align:center}

/* about */
.aboutCard{
  background:#fff; border-radius:18px; box-shadow:var(--shadow);
  display:grid; grid-template-columns:1.1fr .9fr; overflow:hidden;
}
.aboutLeft{padding:24px}
.aboutLeft h3{margin:0 0 12px; font-size:22px; font-weight:900; color:#1a3c9b}
.aboutLeft p{margin:0 0 10px; color:#51647f; line-height:1.8; font-size:14px}
.aboutBtns{display:flex; gap:12px; flex-wrap:wrap; margin-top:10px}
.aboutRight img{width:100%; height:100%; object-fit:cover}

/* hex grid */
.hexGrid{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:18px;
  align-items:stretch;
}
.hex{
  background:#fff;
  border-radius:18px;
  box-shadow:var(--shadow);
  padding:18px 16px 16px;
  position:relative;
  border:1px solid rgba(20,80,190,.10);
}
.hex::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:60px;
  background:linear-gradient(135deg,#1d6df0,#2ab5ff);
  clip-path:polygon(0 0,100% 0,100% 65%,50% 100%,0 65%);
  opacity:1;
}
.hex__num{
  width:26px; height:26px; border-radius:50%;
  background:#ff7a1a; color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-weight:900;
}
.hex h4{margin:10px 0 8px; font-size:16px; font-weight:900}
.hex p{margin:0; color:#5a6c85; line-height:1.6; font-size:13px; padding-bottom:62px}

/* teachers */
.teachers{background:#cfe6ff}
.teacherCard{
  position:relative;
  background:linear-gradient(135deg,#1d6df0,#2ab5ff);
  border-radius:18px;
  padding:26px;
  box-shadow:var(--shadow);
  overflow:hidden;
  color:#fff;
}
.teacherCard::after{
  content:"";
  position:absolute; right:-220px; top:-220px;
  width:520px; height:520px; border-radius:50%;
  background:rgba(255,255,255,.10);
}
.teacherInfo{max-width:520px; position:relative; z-index:1}
.teacherInfo h3{margin:0 0 8px; font-size:26px; font-weight:900}
.teacherLine{margin:0; opacity:.95; line-height:1.7}
.teacherMainPic{
  position:absolute; right:24px; bottom:0;
  width:300px; z-index:1;
}
.teacherMainPic img{width:100%; height:auto}
.arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  width:38px; height:38px; border-radius:50%;
  border:none; background:rgba(255,255,255,.22);
  color:#fff; font-size:22px; cursor:pointer; z-index:2;
}
.arrow--left{left:16px}
.arrow--right{right:16px}

.thumbRow{
  margin-top:170px;
  display:flex; gap:14px; align-items:flex-end;
  position:relative; z-index:2;
}
.thumb{
  width:92px; height:72px; object-fit:cover;
  border-radius:12px;
  background:#fff;
  border:2px solid rgba(255,255,255,.25);
  box-shadow:0 10px 18px rgba(0,0,0,.18);
  cursor:pointer;
  transition:.12s ease;
}
.thumb.is-active{transform:translateY(-6px); border-color:#ffd083}

/* feedback */
.feedbackGrid{
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.fbCard{
  background:#fff; border-radius:16px; box-shadow:var(--shadow);
  padding:18px;
  border:1px solid rgba(20,80,190,.10);
}
.fbHead{display:flex; gap:12px; align-items:center; margin-bottom:10px}
.avatar{width:40px; height:40px; border-radius:50%; background:#eef5ff; display:flex; align-items:center; justify-content:center}
.fbHead h3{margin:0; font-size:16px; font-weight:900}
.tags{display:flex; gap:8px; margin-top:6px}
.tags span{font-size:12px; padding:4px 10px; border-radius:999px; background:#eef5ff; color:#3d5b92}
.fbCard p{margin:0; color:#51647f; line-height:1.75; font-size:13px}

/* system */
.system{background:#fff}
.courseStage{
  position:relative;
  padding:26px 0 0;
}
.courseStage::before{
  content:"";
  position:absolute; left:50%; transform:translateX(-50%);
  bottom:-18px;
  width:110%;
  height:90px;
  background:linear-gradient(90deg,#ff7a1a,#ff3a2f);
  border-radius:0 0 18px 18px;
  z-index:0;
}
.courseStage{display:grid; grid-template-columns:1fr 1fr; gap:18px}
.courseCard{
  position:relative; z-index:1;
  border-radius:18px; overflow:hidden;
  padding:22px;
  box-shadow:var(--shadow);
  color:#fff;
}
.courseCard--blue{background:linear-gradient(135deg,#1d6df0,#2ab5ff)}
.courseCard--orange{background:linear-gradient(135deg,#ff7a1a,#ff3a2f)}
.courseBadge{
  display:inline-flex; padding:8px 12px; border-radius:999px;
  background:rgba(255,255,255,.20);
  font-size:12px; font-weight:800;
}
.courseCard h3{margin:12px 0 10px; font-size:28px; font-weight:900}
.courseCard p{margin:0 0 14px; opacity:.95; line-height:1.7}

/* faq */
.faq{
  background:linear-gradient(135deg,#1d6df0,#2ab5ff);
}
.faqBox{
  background:#fff;
  border-radius:18px;
  padding:18px;
  box-shadow:var(--shadow);
}
.faqGrid{
  display:grid; grid-template-columns:1fr 1fr;
  gap:12px 18px;
  margin-bottom:14px;
}
.qa{
  display:flex; align-items:center; gap:10px;
  padding:12px 12px;
  border-radius:12px;
  background:#f6f9ff;
}
.qTag{
  padding:6px 10px;
  border-radius:999px;
  background:#2b63f3;
  color:#fff;
  font-weight:900;
  font-size:12px;
}
.qa p{margin:0; color:#465a76; font-size:13px}

/* benefit */
.benefit{
  background:linear-gradient(180deg,#fbe0b3,#f7c77e);
  border-radius:18px;
  padding:22px 18px 16px;
  box-shadow:var(--shadow);
  text-align:center;
}
.benefit h2{margin:0 0 14px; font-size:30px; font-weight:900; color:#5a2a14}
.benefit__grid{
  background:#fff; border-radius:14px;
  padding:18px;
  display:grid; grid-template-columns:repeat(3,1fr); gap:12px;
}
.benefitItem{padding:10px 8px}
.gift{font-size:20px}
.benefitItem strong{display:block; margin-top:6px}
.benefitItem p{margin:8px 0 0; color:#5b4d44; line-height:1.6; font-size:13px}
.benefit__cta{display:flex; gap:14px; justify-content:center; margin-top:14px; flex-wrap:wrap}
.benefit__tip{margin:12px 0 0; color:#6a2a1a; font-weight:700}
.benefit__tip span{color:#ff1a3d; font-weight:900}

/* contact */
.contactTitle{text-align:center; margin-bottom:14px}
.contactTitle h2{margin:0; font-size:26px; font-weight:900; color:#1a3c9b}
.contactCard{
  background:#fff;
  border-radius:18px;
  box-shadow:var(--shadow);
  padding:18px;
  display:grid;
  grid-template-columns: 1fr 260px 260px;
  gap:14px;
  align-items:center;
  border:1px solid rgba(20,80,190,.10);
}
.contactList{margin:0; padding:0; list-style:none; color:#44576f; line-height:2}
.dot{color:#1d6df0; margin-right:8px}
.qr{width:180px; margin:0 auto}
.contactGirl{width:220px; margin-left:auto}

/* footer */
.footer{background:#1f2b3b; color:#cfe0ff; padding:28px 0}
.footer__inner{display:flex; justify-content:space-between; gap:22px; flex-wrap:wrap}
.footer h3{margin:0 0 8px; color:#fff}
.footer p{margin:6px 0; opacity:.9}
.footerCols{display:flex; gap:34px; flex-wrap:wrap}
.col h4{margin:0 0 10px; color:#fff}
.col a{display:block; opacity:.9; margin:8px 0; font-size:13px}

/* responsive */
@media (max-width: 1024px){
  .hero__inner{grid-template-columns:1fr; text-align:left}
  .hero__badge{margin:16px auto 0; max-width:420px}
  .triple__inner{grid-template-columns:1fr; margin-top:-36px}
  .goalBox{grid-template-columns:1fr}
  .goalBox__right{grid-template-columns:1fr; gap:8px}
  .twoCol{grid-template-columns:1fr}
  .paperGrid{grid-template-columns:1fr}
  .paperPic img{width:200px; margin-left:auto}
  .stepper{grid-template-columns:repeat(2,1fr)}
  .hexGrid{grid-template-columns:repeat(2,1fr)}
  .feedbackGrid{grid-template-columns:1fr}
  .courseStage{grid-template-columns:1fr}
  .faqGrid{grid-template-columns:1fr}
  .contactCard{grid-template-columns:1fr; text-align:left}
  .contactGirl{margin:0 auto}
}
@media (max-width: 520px){
  .hero__title{font-size:40px}
  .nav__links{display:none}
}
