:root{
  --navy:#0c2340;
  --navy-2:#163a63;
  --navy-deep:#071528;
  --gold:#c9a227;
  --gold-2:#e0bc4a;
  --gold-soft:#f7efd6;
  --green:#1f7a5c;
  --bg:#f5f7fb;
  --bg-alt:#eef3f9;
  --text:#152033;
  --muted:#5c6b7d;
  --white:#fff;
  --line:#e2e8f0;
  --shadow:0 12px 36px rgba(12,35,64,.08);
  --shadow-sm:0 4px 14px rgba(12,35,64,.06);
  --radius:18px;
  --radius-sm:12px;
  --max:1140px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Segoe UI","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:var(--navy-2);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--gold)}
img{max-width:100%;display:block}
.container{width:min(100% - 2.25rem, var(--max));margin-inline:auto}
.skip{position:absolute;left:-999px}
.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem 1rem;z-index:99;border-radius:8px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(12,35,64,.94);
  backdrop-filter:saturate(140%) blur(12px);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.06);
  box-shadow:0 8px 24px rgba(0,0,0,.12);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.95rem 0}
.brand{display:flex;align-items:center;gap:.65rem;color:#fff;line-height:0}
.brand:hover{color:#fff;opacity:.96}
.brand-logo{
  display:block;height:44px;width:auto;max-width:min(200px,46vw);
  object-fit:contain;
}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  background:linear-gradient(145deg,var(--gold-2),var(--gold) 55%,#a9841a);
  color:var(--navy);display:grid;place-items:center;
  font-weight:800;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(201,162,39,.35);
}
.brand strong{display:block;font-size:1.08rem;letter-spacing:.01em;line-height:1.2}
.brand span{display:block;font-size:.74rem;opacity:.78;margin-top:.08rem;line-height:1.2}
.nav-links{display:flex;flex-wrap:wrap;gap:.25rem 1.05rem;align-items:center}
.nav-links a{color:#dce6f4;font-size:.94rem;font-weight:500}
.nav-links a.active,.nav-links a:hover{color:var(--gold-2)}
.nav-links .btn{margin-left:.35rem}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  padding:.78rem 1.35rem;border-radius:999px;border:1px solid transparent;
  font-weight:650;cursor:pointer;transition:transform .2s var(--ease),filter .2s,box-shadow .2s,background .2s;
  font-size:.95rem;letter-spacing:.01em;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(180deg,var(--gold-2),var(--gold));color:var(--navy);box-shadow:0 8px 18px rgba(201,162,39,.28)}
.btn-primary:hover{filter:brightness(1.05);color:var(--navy)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.38);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-outline-dark{background:#fff;border-color:var(--line);color:var(--navy);box-shadow:var(--shadow-sm)}
.btn-outline-dark:hover{border-color:var(--gold);color:var(--navy)}
.btn-green{background:linear-gradient(180deg,#2a9470,var(--green));color:#fff;box-shadow:0 8px 18px rgba(31,122,92,.25)}

/* Hero */
.hero{
  background:
    radial-gradient(ellipse 80% 60% at 85% 10%, rgba(201,162,39,.18), transparent 55%),
    radial-gradient(circle at 12% 30%, #1d4f86, transparent 42%),
    linear-gradient(135deg, var(--navy) 0%, #0b1a2e 55%, var(--navy-deep) 100%);
  color:#fff;padding:4.6rem 0 4rem;position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:48px 48px;mask-image:linear-gradient(180deg,#000 30%,transparent 95%);
  pointer-events:none;opacity:.55;
}
.hero::after{
  content:"";position:absolute;right:-100px;top:-60px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle, rgba(201,162,39,.16), transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:2.25rem;align-items:center;position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.32rem .85rem;border-radius:999px;
  background:rgba(201,162,39,.16);border:1px solid rgba(201,162,39,.28);
  color:var(--gold-soft);font-size:.82rem;margin-bottom:1.15rem;font-weight:600;letter-spacing:.02em;
}
.hero h1{font-size:clamp(1.95rem,4.2vw,2.85rem);line-height:1.22;margin:0 0 1.05rem;font-weight:780;letter-spacing:-.01em}
.hero p.lead{font-size:1.08rem;opacity:.93;max-width:40rem;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.7rem}
.hero-card{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  border-radius:calc(var(--radius) + 4px);
  padding:1.15rem 1.15rem 1.35rem;
  backdrop-filter:blur(10px);
  box-shadow:0 20px 50px rgba(0,0,0,.22);
  text-align:center;
}
.hero-card img{border-radius:14px;width:100%;aspect-ratio:1;object-fit:cover;object-position:center center;margin:0 auto 1rem;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.hero-card h3{margin:.15rem 0 .35rem;font-size:1.2rem}
.hero-card .meta{font-size:.9rem;opacity:.86;line-height:1.65}

/* Trust strip */
.trust-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;margin-top:-1.75rem;position:relative;z-index:2;
}
.trust-item{padding:1.15rem 1.2rem;text-align:center;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.trust-item strong{display:block;color:var(--navy);font-size:1.15rem;letter-spacing:.01em}
.trust-item span{display:block;color:var(--muted);font-size:.82rem;margin-top:.2rem}

/* Sections */
.section{padding:3.6rem 0}
.section.alt{background:linear-gradient(180deg,var(--bg-alt),var(--bg))}
.section-head{display:flex;justify-content:space-between;gap:1rem;align-items:end;margin-bottom:1.75rem;flex-wrap:wrap}
.section-head h2{
  margin:0;font-size:clamp(1.45rem,3vw,1.95rem);color:var(--navy);
  letter-spacing:-.01em;position:relative;padding-bottom:.45rem;
}
.section-head h2::after{
  content:"";position:absolute;left:0;bottom:0;width:2.4rem;height:3px;border-radius:99px;
  background:linear-gradient(90deg,var(--gold),transparent);
}
.section-head p{margin:0;color:var(--muted);max-width:38rem;font-size:.98rem}

/* Grids & cards */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.15rem}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:1.6rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.15rem}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.35rem 1.3rem;box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d5deea}
.card h3{margin:.25rem 0 .65rem;color:var(--navy);font-size:1.12rem;letter-spacing:-.01em}
.card .tag{
  display:inline-block;font-size:.72rem;padding:.18rem .6rem;border-radius:999px;
  background:var(--gold-soft);color:#7a5d10;margin-bottom:.55rem;font-weight:650;letter-spacing:.02em;
}
.card > a:last-child{display:inline-flex;margin-top:.55rem;font-weight:650;font-size:.92rem}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.list-check{padding-left:1.15rem;margin:.45rem 0}
.list-check li{margin:.3rem 0}

/* Teacher */
.teacher-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:1.7rem;align-items:center}
.teacher-panel.card{padding:1.5rem !important}
.teacher-panel .photo{border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow)}
.teacher-panel .photo img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center center}
.badge-row{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.1rem 0}
.badge{
  background:linear-gradient(180deg,#f4f8fd,#e8f0f9);color:var(--navy-2);
  padding:.3rem .75rem;border-radius:999px;font-size:.82rem;border:1px solid #d8e4f2;font-weight:550;
}

/* CTA */
.cta-band{
  background:
    radial-gradient(circle at 90% 20%, rgba(201,162,39,.18), transparent 40%),
    linear-gradient(120deg,var(--navy-2),var(--navy));
  color:#fff;border-radius:calc(var(--radius) + 2px);padding:2.15rem 2rem;
  display:flex;justify-content:space-between;gap:1.2rem;align-items:center;flex-wrap:wrap;
  box-shadow:0 16px 40px rgba(12,35,64,.18);
}
.cta-band h2{letter-spacing:-.01em}

/* Footer */
.site-footer{
  background:linear-gradient(180deg,#0e1c30,var(--navy-deep));
  color:#b8c6d8;padding:2.8rem 0 1.6rem;margin-top:2.5rem;
  border-top:1px solid rgba(201,162,39,.18);
}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1.15fr;gap:1.75rem}
.site-footer a{color:#e8eef7}
.site-footer a:hover{color:var(--gold-2)}
.site-footer h4{color:#fff;margin:0 0 .85rem;font-size:1rem;letter-spacing:.01em}
.site-footer .small{line-height:1.7}
.foot-note{
  border-top:1px solid rgba(255,255,255,.08);margin-top:1.75rem;padding-top:1.1rem;
  font-size:.84rem;opacity:.72;
}

/* Inner pages */
.page-hero{
  padding:2.7rem 0 1.4rem;
  background:
    radial-gradient(ellipse at 80% 0%, rgba(201,162,39,.12), transparent 45%),
    linear-gradient(180deg,#e8eff8 0%, var(--bg) 100%);
  border-bottom:1px solid rgba(226,232,240,.7);
}
.page-hero h1{margin:0 0 .55rem;color:var(--navy);font-size:clamp(1.65rem,3vw,2.25rem);letter-spacing:-.015em}
.page-hero .muted{max-width:42rem}

/* Table / form / misc */
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.table th,.table td{padding:.95rem 1.05rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table th{background:linear-gradient(180deg,#f3f7fc,#eef3fa);color:var(--navy);width:28%;font-weight:650}
.table tr:last-child th,.table tr:last-child td{border-bottom:0}
.placeholder{background:#fff7e6;color:#8a5a00;padding:.15rem .45rem;border-radius:5px;font-weight:650}
.form{display:grid;gap:1.05rem}
.form label{display:grid;gap:.4rem;font-weight:650;color:var(--navy);font-size:.95rem}
.form input,.form select,.form textarea{
  padding:.82rem .95rem;border:1px solid var(--line);border-radius:11px;font:inherit;background:#fff;
  transition:border-color .2s,box-shadow .2s;
}
.form input:focus,.form select:focus,.form textarea:focus{
  outline:none;border-color:#b7c9e0;box-shadow:0 0 0 3px rgba(22,58,99,.1);
}
.form textarea{min-height:118px;resize:vertical}
.qr-box{
  text-align:center;padding:1.2rem 1rem;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
}
.qr-box img{width:min(220px,100%);margin:0 auto .75rem;border-radius:8px}
.note{background:#eef8f3;border-left:4px solid var(--green);padding:.95rem 1.1rem;border-radius:10px;box-shadow:var(--shadow-sm)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem 1.1rem;margin-bottom:.75rem;box-shadow:var(--shadow-sm);transition:border-color .2s}
.faq details[open]{border-color:#c9d7e8}
.faq summary{cursor:pointer;font-weight:650;color:var(--navy)}

@media (max-width:900px){
  .hero-grid,.teacher-panel,.grid-2,.footer-grid{grid-template-columns:1fr}
  .grid-4,.grid-3,.trust-strip{grid-template-columns:1fr 1fr}
  .trust-item:nth-child(2){border-right:0}
  .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--line)}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;position:absolute;left:0;right:0;top:68px;background:rgba(12,35,64,.98);
    padding:1.1rem 1.25rem 1.3rem;flex-direction:column;gap:.65rem;
    border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 16px 30px rgba(0,0,0,.2);
  }
  .menu-btn{display:inline-flex}
  .hero{padding:3.4rem 0 3.2rem}
}
@media (max-width:560px){
  .grid-4,.grid-3,.trust-strip{grid-template-columns:1fr}
  .trust-item{border-right:0;border-bottom:1px solid var(--line)}
  .trust-item:last-child{border-bottom:0}
  .cta-band{padding:1.6rem 1.25rem}
}
.menu-btn{display:none;background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:10px;padding:.45rem .75rem;font-weight:600}


/* Score cards */
.score-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.score-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.25rem 1.2rem;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s;
}
.score-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.score-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--gold-2),var(--gold));
}
.score-card .overall{
  font-size:2.35rem;font-weight:800;color:var(--navy);line-height:1;letter-spacing:-.02em;
}
.score-card .overall span{font-size:.95rem;font-weight:650;color:var(--muted);margin-left:.35rem}
.score-card .band{font-size:.78rem;font-weight:700;color:#7a5d10;background:var(--gold-soft);
  display:inline-block;padding:.15rem .55rem;border-radius:999px;margin:.55rem 0 .7rem}
.score-card .subs{display:grid;grid-template-columns:repeat(2,1fr);gap:.35rem .6rem;font-size:.86rem;color:var(--muted)}
.score-card .subs strong{color:var(--navy);font-variant-numeric:tabular-nums}
.score-card .score-img{margin-top:.85rem;border-radius:8px;border:1px solid var(--line);width:100%;height:auto}

/* 学员风采 gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem}
.gallery-grid.dense{grid-template-columns:repeat(3,1fr)}
.gallery-item{
  position:relative;border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:4/3;
  background:#dbe4f0;box-shadow:var(--shadow-sm);border:1px solid var(--line);
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.gallery-item:hover img{transform:scale(1.04)}
.gallery-item.tall{aspect-ratio:3/4}
.gallery-item .cap{
  position:absolute;left:0;right:0;bottom:0;padding:.55rem .7rem;
  background:linear-gradient(transparent,rgba(7,21,40,.72));color:#fff;font-size:.78rem;font-weight:550;
}

/* Video */
.video-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.video-card video{width:100%;display:block;background:#0b1728;max-height:480px}
.video-card .video-meta{padding:1rem 1.15rem}

/* Social links */
.social-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.7rem}
.social-pill{
  display:inline-flex;align-items:center;gap:.35rem;padding:.35rem .7rem;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:#e8eef7;font-size:.82rem;font-weight:600;
}
.site-footer .social-pill:hover{border-color:var(--gold);color:var(--gold-2)}
.social-pill.light{background:#f3f7fc;border-color:#d8e4f2;color:var(--navy-2)}
.social-pill.light:hover{border-color:var(--gold);color:var(--navy)}

.trf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.trf-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.trf-card img{width:100%;height:auto;display:block}
.trf-card .trf-cap{padding:.75rem .9rem;font-size:.86rem;color:var(--muted)}

@media (max-width:900px){
  .score-grid,.gallery-grid,.gallery-grid.dense,.trf-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .score-grid,.gallery-grid,.gallery-grid.dense,.trf-grid{grid-template-columns:1fr}
}


/* Contact QR strip (微信 / 视频号 / 小红书 / 抖音) — not part of 学员风采 */
.qr-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1.2rem;
}
.qr-strip .qr-tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:.9rem .7rem;text-align:center;box-shadow:var(--shadow-sm);
}
.qr-strip .qr-tile img{
  width:min(150px,100%);aspect-ratio:1;object-fit:contain;margin:0 auto .55rem;
  border-radius:8px;background:#fafafa;
}
.qr-strip .qr-tile strong{display:block;color:var(--navy);font-size:.92rem;margin-bottom:.2rem}
.qr-strip .qr-tile span{display:block;color:var(--muted);font-size:.78rem;line-height:1.45}
@media (max-width:900px){.qr-strip{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.qr-strip{grid-template-columns:1fr 1fr}}

@media (max-width:720px){
  .brand-logo{height:38px}
  .nav{padding:.7rem 0}
}


/* Language switcher */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.lang-switch{display:flex;align-items:center;margin-inline-start:auto;margin-inline-end:.35rem}
.lang-switch select{
  appearance:none;-webkit-appearance:none;
  background:rgba(255,255,255,.1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23c9a227' d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right .7rem center;
  color:#fff;border:1px solid rgba(201,162,39,.45);border-radius:999px;
  padding:.42rem 1.85rem .42rem .85rem;font-size:.82rem;font-weight:600;cursor:pointer;
  max-width:9.5rem;
}
.lang-switch select:hover,.lang-switch select:focus{border-color:var(--gold-2);outline:none;background-color:rgba(255,255,255,.14)}
.lang-switch select option{color:#0c2340;background:#fff}
.nav{flex-wrap:wrap}
@media (max-width:900px){
  .lang-switch{order:2;margin-inline:0 .4rem}
  .menu-btn{order:3}
  .nav-links{order:4;width:100%}
}

/* RTL */
html[dir="rtl"] body{text-align:right}
html[dir="rtl"] .nav{flex-direction:row}
html[dir="rtl"] .brand{margin-inline-end:auto}
html[dir="rtl"] .hero-grid,html[dir="rtl"] .grid-2,html[dir="rtl"] .teacher-panel{direction:rtl}
html[dir="rtl"] .list-check{padding-inline-start:1.1rem}
html[dir="rtl"] .table th{text-align:right}
html[dir="rtl"] .score-card .subs,html[dir="rtl"] .trust-strip{direction:rtl}
html[dir="rtl"] .section-head{flex-direction:row-reverse}
html[dir="rtl"] .cta-band{flex-direction:row-reverse;text-align:right}