/* ════════════════════════════════════════════════════════════════════════
   Chinova Institute · shared stylesheet
   - 5 Chinese-traditional themes (imperial / jade / ink / porcelain / dynasty)
   - Adaptive tints via color-mix so one component works on light AND dark
   - All hover *transform* effects gated behind (hover:hover) → Android-safe
   ════════════════════════════════════════════════════════════════════════ */

/* ───────── Theme tokens ───────── */
:root,
html[data-theme="imperial"]{
  --accent:#A4161A; --accent-700:#871418; --accent-900:#5d0f12;
  --gold:#D4A017; --gold-600:#b3860f; --on-gold:#231a0a;
  --paper:#FBF6EC; --paper-2:#F4EAD6; --card:#ffffff;
  --heading:#13213d; --text:#23262e; --muted:#6b6f79; --line:#ece1cf;
  --ink:#13213d; --ink-2:#1a2a49; --on-dark:#dfe6f2; --on-dark-2:#aeb9cf;
  --hero-1:#10203c; --hero-2:#16243f; --hero-3:#3a1620;
  --wash-1:#FBF6EC; --wash-2:#F1E7D2;
}
html[data-theme="jade"]{
  --accent:#1f7a5a; --accent-700:#155c43; --accent-900:#0e3f2e;
  --gold:#C9A227; --gold-600:#a8851a; --on-gold:#1c1606;
  --paper:#F4F7F1; --paper-2:#E7F0E8; --card:#ffffff;
  --heading:#123528; --text:#1f2a25; --muted:#5d6b63; --line:#dde7df;
  --ink:#0f3a2c; --ink-2:#16513c; --on-dark:#dcefe6; --on-dark-2:#a7c4b7;
  --hero-1:#0d3327; --hero-2:#114a37; --hero-3:#0c2c39;
  --wash-1:#F4F7F1; --wash-2:#E2EEE4;
}
html[data-theme="ink"]{
  --accent:#34507e; --accent-700:#27406a; --accent-900:#1b2c49;
  --gold:#C0A04A; --gold-600:#9f8336; --on-gold:#1b1606;
  --paper:#F2F3F5; --paper-2:#E6E9EE; --card:#ffffff;
  --heading:#1c2533; --text:#262b33; --muted:#646b76; --line:#e0e3e8;
  --ink:#1a2230; --ink-2:#26303f; --on-dark:#dde2ea; --on-dark-2:#a9b2c0;
  --hero-1:#161d29; --hero-2:#222c3c; --hero-3:#2c3850;
  --wash-1:#F2F3F5; --wash-2:#E3E6EC;
}
html[data-theme="porcelain"]{
  --accent:#1f5fa8; --accent-700:#184c86; --accent-900:#10355e;
  --gold:#C9A227; --gold-600:#a8851a; --on-gold:#1c1606;
  --paper:#F3F7FC; --paper-2:#E3EEF8; --card:#ffffff;
  --heading:#14365e; --text:#1f2c3a; --muted:#5b6b7d; --line:#dbe7f2;
  --ink:#123257; --ink-2:#1a4a7e; --on-dark:#d9e7f5; --on-dark-2:#a6bdd6;
  --hero-1:#0f2d50; --hero-2:#16447a; --hero-3:#0d3a66;
  --wash-1:#F3F7FC; --wash-2:#DEEAF6;
}
html[data-theme="dynasty"]{
  --accent:#C8352B; --accent-700:#a82a22; --accent-900:#7c1f19;
  --gold:#E6B844; --gold-600:#caa033; --on-gold:#231a0a;
  --paper:#141318; --paper-2:#1a1820; --card:#1c1a22;
  --heading:#f6efe2; --text:#e7e2d8; --muted:#a59f93; --line:#332f3a;
  --ink:#0c0b0f; --ink-2:#161319; --on-dark:#e7e2d8; --on-dark-2:#a59f93;
  --hero-1:#120c0e; --hero-2:#1c1013; --hero-3:#2a1a10;
  --wash-1:#141318; --wash-2:#0e0d12;
}

:root{
  --maxw:1180px;
  --shadow-sm:0 4px 14px -8px rgba(8,12,24,.30);
  --shadow:0 22px 55px -28px rgba(8,12,24,.42);
  --shadow-lg:0 34px 80px -34px rgba(8,12,24,.5);
  --r:18px; --r-lg:26px;
  --sans:"Plus Jakarta Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --serif:"Cinzel",Georgia,serif;
  --cjk:"Noto Sans SC","Plus Jakarta Sans",sans-serif;
  /* adaptive helpers */
  --tint:color-mix(in srgb, var(--accent) 12%, transparent);
  --tint-strong:color-mix(in srgb, var(--accent) 20%, transparent);
  --tint-gold:color-mix(in srgb, var(--gold) 16%, transparent);
}

/* ───────── Base ───────── */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:var(--sans); color:var(--text);
  background:var(--paper);
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
  transition:color .4s ease;
}
h1,h2,h3,h4{line-height:1.12;margin:0;letter-spacing:-.012em;font-weight:800;color:var(--heading)}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:96px 0;position:relative}
.section--tight{padding:66px 0;position:relative}
section{scroll-margin-top:88px}

:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 10px 0}
.skip:focus{left:0}

/* ───────── Live background ───────── */
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;display:block}

/* translucent "paper" sections let the living background show through */
.band-paper{background:color-mix(in srgb, var(--paper) 82%, transparent)}
.band-paper-2{background:linear-gradient(180deg,
    color-mix(in srgb, var(--paper) 80%, transparent),
    color-mix(in srgb, var(--paper-2) 80%, transparent))}
.band-dark{position:relative;color:var(--on-dark);overflow:hidden;
  background:linear-gradient(135deg,var(--hero-1),var(--hero-2) 45%,var(--hero-3))}
.band-dark::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1.4px);background-size:22px 22px;opacity:.5}
.band-dark .wrap{position:relative;z-index:2}

/* ───────── Shared bits ───────── */
.eyebrow{display:inline-flex;align-items:center;gap:11px;font-family:var(--serif);
  font-weight:600;letter-spacing:.22em;text-transform:uppercase;font-size:.72rem;color:var(--accent)}
.eyebrow::before,.eyebrow::after{content:"";height:1.5px;width:26px;background:linear-gradient(90deg,transparent,var(--gold))}
.eyebrow::after{background:linear-gradient(90deg,var(--gold),transparent)}
.eyebrow.center{justify-content:center}
.eyebrow.on-dark{color:color-mix(in srgb,var(--gold) 70%,#fff)}
.lead{font-size:1.08rem;color:var(--muted);max-width:60ch}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;font-weight:700;font-family:var(--sans);
  padding:.92em 1.5em;border-radius:999px;cursor:pointer;border:2px solid transparent;
  font-size:.98rem;transition:transform .18s ease,box-shadow .25s ease,background .2s ease,color .2s,border-color .2s;
  white-space:nowrap;text-align:center}
.btn-gold{background:linear-gradient(180deg,color-mix(in srgb,var(--gold) 80%,#fff),var(--gold));color:var(--on-gold);box-shadow:0 14px 30px -14px color-mix(in srgb,var(--gold) 80%,transparent)}
.btn-red{background:var(--accent);color:#fff;box-shadow:0 14px 30px -16px color-mix(in srgb,var(--accent) 75%,transparent)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline{border-color:var(--line);color:var(--heading);background:var(--card)}
.wa-ic{width:1.15em;height:1.15em;flex:none}
@media (hover:hover) and (pointer:fine){
  .btn:hover{transform:translateY(-2px)}
  .btn-red:hover{background:var(--accent-700)}
  .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
  .btn-outline:hover{border-color:var(--gold);color:var(--accent)}
}
.btn:active{transform:translateY(0) scale(.98)}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ───────── Announcement ───────── */
.topbar{background:var(--ink);color:var(--on-dark);font-size:.83rem;text-align:center;padding:8px 16px;position:relative;z-index:3}
.topbar a{color:color-mix(in srgb,var(--gold) 70%,#fff);font-weight:700;border-bottom:1px solid color-mix(in srgb,var(--gold) 40%,transparent)}
.topbar .dot{color:var(--gold);margin:0 .55em}

/* ───────── Header ───────── */
.hdr{position:sticky;top:0;z-index:90;backdrop-filter:saturate(140%) blur(10px);
  background:color-mix(in srgb,var(--paper) 84%,transparent);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s,background .3s}
.hdr.scrolled{box-shadow:0 10px 30px -22px rgba(8,12,24,.5);border-color:var(--line);
  background:color-mix(in srgb,var(--paper) 94%,transparent)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;height:72px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;flex:1 1 auto}
.brand img{height:42px;width:auto;flex:none}
.brand .txt{min-width:0;display:flex;flex-direction:column;line-height:1}
.brand .wm{font-family:var(--serif);font-weight:700;font-size:1.08rem;letter-spacing:.01em;white-space:nowrap}
.brand .wm b{color:var(--accent);font-weight:700}.brand .wm i{color:var(--gold-600);font-style:normal}
.brand .sub{font-size:.56rem;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;margin-top:4px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.menu{display:flex;align-items:center;gap:28px;flex:none}
.menu a{font-weight:600;font-size:.93rem;color:var(--heading);position:relative;padding:4px 0}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--accent);transition:width .25s}
.menu a.founder-link{color:var(--accent)}
@media (hover:hover){.menu a:hover::after{width:100%}}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.hamb{display:none;background:none;border:1.5px solid var(--line);border-radius:11px;padding:9px;cursor:pointer;color:var(--heading)}
.hamb svg{width:22px;height:22px;display:block}

/* mobile menu */
.mm-overlay,.mobile-menu{display:none}
.mobile-menu .x{position:absolute;top:18px;right:18px;background:none;border:none;cursor:pointer;color:var(--heading)}
.mobile-menu .x svg{width:26px;height:26px}
.mobile-menu .mbrand{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.mobile-menu .mbrand img{height:40px}
.mobile-menu a.ml{display:block;padding:14px 2px;font-size:1.08rem;font-weight:600;color:var(--heading);border-bottom:1px solid var(--line)}
.mobile-menu a.ml.founder-link{color:var(--accent)}
.mobile-menu .btn{margin-top:22px;width:100%}

/* ───────── HERO (index) ───────── */
.hero{padding-top:10px}
.hero .wrap{padding-top:84px;padding-bottom:94px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.5rem,6vw,4.35rem);font-weight:800;letter-spacing:-.025em;color:#fff}
.hero h1 .r{background:linear-gradient(180deg,#ffd9c2,color-mix(in srgb,var(--accent) 50%,#ff7a5c));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero h1 .g{background:linear-gradient(180deg,#ffe9ab,var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.sub{margin-top:22px;font-size:1.12rem;color:color-mix(in srgb,var(--on-dark) 92%,#fff);max-width:46ch}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;color:#eef2fa;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);padding:7px 13px;border-radius:999px}
.chip svg{width:14px;height:14px;color:var(--gold)}

.hero-card{position:relative;z-index:3;justify-self:end;width:min(360px,100%);
  background:color-mix(in srgb,#fff 96%,transparent);color:#23262e;border-radius:var(--r-lg);padding:22px;
  box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.6)}
.hero-card .tag{font-family:var(--serif);font-weight:600;letter-spacing:.18em;text-transform:uppercase;font-size:.66rem;color:var(--accent)}
.bubble{display:flex;gap:12px;align-items:flex-start;margin-top:16px;padding:14px;border-radius:16px;background:#FBF6EC}
.bubble:nth-child(3){background:#f7e9c6}
.bubble .av{width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;font-family:var(--cjk);font-weight:900;color:#fff;font-size:1rem}
.bubble .av.a{background:#A4161A}.bubble .av.b{background:#b3860f}
.bubble .zh{font-family:var(--cjk);font-weight:700;font-size:1.18rem;color:#13213d}
.bubble .py{font-size:.8rem;color:#6b6f79;font-style:italic;margin-top:2px}
.bubble .en{font-size:.82rem;color:#23262e;margin-top:3px;font-weight:600}
.hero-card .ribbon{margin-top:16px;display:flex;align-items:center;gap:8px;font-size:.82rem;color:#871418;font-weight:700}
.hero-card .ribbon svg{width:16px;height:16px}

/* ───────── Marquee strip ───────── */
.strip{background:var(--ink);color:var(--on-dark);border-top:3px solid var(--gold);overflow:hidden;position:relative;z-index:2}
.strip .row{display:flex;white-space:nowrap;animation:slide 28s linear infinite;width:max-content}
.strip .row span{display:inline-flex;align-items:center;padding:15px 0;margin-right:52px;font-family:var(--serif);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.82rem}
.strip .row span::after{content:"◆";color:var(--gold);font-size:.6rem;margin-left:52px}
@keyframes slide{to{transform:translateX(-50%)}}

/* ───────── Section heading ───────── */
.shead{text-align:center;max-width:64ch;margin:0 auto 52px}
.shead h2{font-size:clamp(2rem,4vw,3rem);margin-top:14px}
.shead h2 em{font-style:normal;color:var(--accent)}
.shead p{margin:16px auto 0;color:var(--muted);font-size:1.05rem}
.band-dark .shead h2{color:#fff}.band-dark .shead p{color:var(--on-dark)}

/* ───────── About / value cards ───────── */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-top:16px}
.about h2 em{font-style:normal;color:var(--accent)}
.about .lead{margin-top:18px;font-size:1.06rem}
.about .note{margin-top:20px;padding:16px 18px;border-left:4px solid var(--gold);background:var(--card);border-radius:0 14px 14px 0;box-shadow:var(--shadow-sm);font-size:.97rem;color:var(--text)}
.about .note b{color:var(--accent)}
.val{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s}
.card .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:13px;background:var(--tint);color:var(--accent)}
.card .ic.gold{background:var(--tint-gold);color:var(--gold-600)}
.card .ic svg{width:24px;height:24px}
.card h4{font-size:1.02rem;color:var(--heading)}
.card p{font-size:.9rem;color:var(--muted);margin-top:6px}
@media (hover:hover) and (pointer:fine){.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}}

/* ───────── Courses ───────── */
.course-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.course{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .3s;overflow:hidden}
.course::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--accent),var(--gold))}
.course.feat{border-color:var(--gold);background:linear-gradient(180deg,var(--card),color-mix(in srgb,var(--gold) 6%,var(--card)))}
.course .flag{position:absolute;top:16px;right:-34px;transform:rotate(45deg);background:var(--gold);color:var(--on-gold);font-size:.66rem;font-weight:800;letter-spacing:.08em;padding:5px 42px;text-transform:uppercase}
.course .ttl{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.course h3{font-size:1.32rem;color:var(--heading)}
.course .zh{font-family:var(--cjk);font-weight:700;color:var(--accent);font-size:1.15rem;margin-top:2px}
.course .desc{color:var(--muted);font-size:.94rem;margin-top:8px}
.meta{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 4px}
.meta .m{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;color:var(--heading);background:color-mix(in srgb,var(--paper-2) 70%,transparent);border:1px solid var(--line);padding:6px 11px;border-radius:10px}
.meta .m.fee{background:var(--tint);border-color:color-mix(in srgb,var(--accent) 25%,var(--line));color:var(--accent)}  /* PRICE pill — edit/remove here */
.meta .m svg{width:14px;height:14px;color:var(--gold-600)}
.olist{list-style:none;padding:0;margin:16px 0 22px;display:grid;gap:9px}
.olist li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:var(--text)}
.olist li svg{width:18px;height:18px;flex:none;color:var(--accent);margin-top:2px}
.course .foot{margin-top:auto;display:flex;gap:10px;flex-wrap:wrap}
.course .foot .btn{flex:1 1 auto;min-width:140px}     /* stable, equal-width buttons */
.batch-note{text-align:center;margin-top:26px;font-size:.92rem;color:var(--muted)}
.batch-note b{color:var(--heading)}
@media (hover:hover) and (pointer:fine){.course:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}}

/* ───────── Services ───────── */
.services::before{content:"中文";position:absolute;font-family:var(--cjk);font-weight:900;font-size:26rem;color:#fff;opacity:.03;right:-3rem;top:-4rem;line-height:1;z-index:0}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative;z-index:2}
.svc{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:24px;transition:transform .2s,background .25s,border-color .25s}
.svc .ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
  background:color-mix(in srgb,var(--gold) 22%,transparent);color:color-mix(in srgb,var(--gold) 60%,#fff)}
.svc.pop .ic{background:color-mix(in srgb,var(--accent) 30%,transparent);color:#ffd9c2}
.svc .ic svg{width:26px;height:26px}
.svc h3{font-size:1.12rem;color:#fff;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.svc .pill{font-size:.6rem;letter-spacing:.08em;font-weight:800;text-transform:uppercase;background:var(--gold);color:var(--on-gold);padding:3px 8px;border-radius:999px}
.svc p{color:var(--on-dark);font-size:.9rem;margin-top:9px}
.svc ul{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:6px}
.svc ul li{font-size:.84rem;color:var(--on-dark-2);display:flex;gap:8px}
.svc ul li::before{content:"›";color:var(--gold);font-weight:800}
@media (hover:hover) and (pointer:fine){.svc:hover{transform:translateY(-5px);background:rgba(255,255,255,.08);border-color:color-mix(in srgb,var(--gold) 50%,transparent)}}

/* ───────── Speak deck ───────── */
.hint{text-align:center;margin:-30px auto 40px;font-size:.86rem;color:var(--muted);display:flex;gap:8px;align-items:center;justify-content:center}
.hint svg{width:16px;height:16px;color:var(--gold-600)}
.deck{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flip{perspective:1200px;cursor:pointer;outline-offset:4px}
.flip-in{position:relative;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,.2,.2,1);height:172px}
.flip.flipped .flip-in{transform:rotateY(180deg)}
.face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--r);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px;text-align:center;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.face.front{background:var(--card)}
.face.front .zh{font-family:var(--cjk);font-weight:900;font-size:2.7rem;color:var(--heading);line-height:1}
.face.front .lbl{margin-top:12px;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}
.face.back{transform:rotateY(180deg);background:linear-gradient(160deg,var(--accent),var(--accent-900));color:#fff;border-color:var(--accent-900)}
.face.back .py{font-weight:700;font-size:1.18rem;color:color-mix(in srgb,var(--gold) 60%,#fff)}
.face.back .en{font-size:1rem;margin-top:7px;font-weight:600}
.face.back .small{font-size:.74rem;opacity:.8;margin-top:12px;font-family:var(--cjk)}
.corner{position:absolute;top:10px;right:12px;font-family:var(--cjk);font-size:.8rem;opacity:.45}
.face.front .corner{color:var(--gold-600)}

/* ───────── Why / features / outcomes ───────── */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat-c{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s}
.feat-c .ic{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:14px;background:var(--tint);color:var(--accent)}
.feat-c .ic svg{width:25px;height:25px}
.feat-c h4{color:var(--heading);font-size:1.06rem}
.feat-c p{color:var(--muted);font-size:.92rem;margin-top:7px}
@media (hover:hover) and (pointer:fine){.feat-c:hover{transform:translateY(-4px);box-shadow:var(--shadow)}}
.outcomes{margin-top:30px;background:linear-gradient(135deg,var(--ink),var(--ink-2));color:var(--on-dark);border-radius:var(--r-lg);padding:34px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.outcomes::before{content:"加油";position:absolute;font-family:var(--cjk);font-weight:900;font-size:13rem;color:var(--gold);opacity:.06;right:-1rem;bottom:-3rem;line-height:1}
.outcomes h3{font-size:1.5rem;color:#fff;position:relative}
.outcomes h3 span{color:var(--gold)}
.out-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 24px;margin-top:22px;position:relative;z-index:2}
.out-list div{display:flex;gap:11px;align-items:flex-start;font-size:.95rem;color:var(--on-dark)}
.out-list svg{width:20px;height:20px;flex:none;color:var(--gold);margin-top:2px}

/* ───────── CTA band ───────── */
.cta-band{text-align:center;background:radial-gradient(700px 380px at 50% -20%,color-mix(in srgb,var(--gold) 26%,transparent),transparent 60%),linear-gradient(135deg,var(--hero-3),var(--hero-2) 60%,var(--hero-1))}
.cta-band h2{font-size:clamp(1.9rem,4vw,3rem);max-width:20ch;margin:14px auto 0;color:#fff}
.cta-band h2 span{color:var(--gold)}
.cta-band p{color:color-mix(in srgb,var(--on-dark) 90%,#fff);margin:16px auto 0;max-width:52ch}
.cta-band .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* ───────── Contact ───────── */
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:stretch}
.cinfo h2{font-size:clamp(1.9rem,3.6vw,2.6rem);margin-top:14px}
.cinfo h2 em{font-style:normal;color:var(--accent)}
.cinfo>p{color:var(--muted);margin-top:14px;max-width:48ch}
.citem{display:flex;gap:15px;align-items:flex-start;margin-top:22px}
.citem .ic{width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;background:var(--tint);color:var(--accent)}
.citem .ic svg{width:23px;height:23px}
.citem .k{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.citem .v{font-size:1.04rem;color:var(--heading);font-weight:600;margin-top:2px}
@media (hover:hover){.citem .v a:hover{color:var(--accent)}}
.socials{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.socials a{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--card);border:1px solid var(--line);color:var(--heading);transition:transform .18s,background .2s,color .2s,border-color .2s}
.socials a svg{width:22px;height:22px}
@media (hover:hover) and (pointer:fine){.socials a:hover{transform:translateY(-3px);background:var(--accent);color:#fff;border-color:var(--accent)}}
.cform{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.cform h3{color:var(--heading);font-size:1.32rem}
.cform p.fp{color:var(--muted);font-size:.92rem;margin-top:6px;margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.8rem;font-weight:700;color:var(--heading);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font-family:var(--sans);font-size:.95rem;color:var(--text);
  padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--paper) 60%,var(--card));transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 22%,transparent);background:var(--card)}
.field textarea{resize:vertical;min-height:96px}
.cform .actions{margin-top:6px;display:flex;gap:12px;flex-wrap:wrap}
.cform .actions .btn{flex:1 1 auto}
.cform .alt{font-size:.84rem;color:var(--muted);margin-top:14px;text-align:center}
.cform .alt a{color:var(--accent);font-weight:600}
.map{margin-top:22px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);line-height:0}
.map iframe{width:100%;height:240px;border:0}

/* ───────── Footer ───────── */
.foot{background:var(--ink);color:var(--on-dark-2);padding:64px 0 26px;position:relative;overflow:hidden;z-index:2}
.foot::before{content:"学";position:absolute;font-family:var(--cjk);font-weight:900;font-size:22rem;color:#fff;opacity:.025;left:-2rem;top:-5rem;line-height:1}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;position:relative;z-index:2}
.fchip{display:inline-block;background:#fff;border-radius:16px;padding:14px 16px;box-shadow:var(--shadow-sm)}
.fchip img{height:74px;width:auto}
.fcol h4{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px;font-family:var(--serif);font-weight:600}
.fcol a,.fcol p{display:block;color:var(--on-dark-2);font-size:.92rem;margin-bottom:10px;transition:color .2s}
.fcol a.founder-link{color:color-mix(in srgb,var(--gold) 70%,#fff)}
@media (hover:hover){.fcol a:hover{color:color-mix(in srgb,var(--gold) 70%,#fff)}}
.fabout{font-size:.94rem;color:var(--on-dark-2);margin-top:18px;max-width:36ch}
.fsoc{display:flex;gap:10px;margin-top:18px}
.fsoc a{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:rgba(255,255,255,.07);color:#fff;transition:background .2s,transform .18s}
.fsoc svg{width:19px;height:19px}
@media (hover:hover) and (pointer:fine){.fsoc a:hover{background:var(--accent);transform:translateY(-3px)}}
.fbot{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.84rem;color:var(--on-dark-2);position:relative;z-index:2}
.fbot .zh{font-family:var(--cjk)}

/* ───────── Floating controls ───────── */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:120;display:flex;align-items:center;gap:11px;
  background:#25D366;color:#fff;padding:13px 18px 13px 14px;border-radius:999px;font-weight:700;font-size:.95rem;
  box-shadow:0 16px 40px -12px rgba(37,211,102,.7);transition:transform .2s,box-shadow .25s}
.wa-float svg{width:26px;height:26px;flex:none}
.wa-float::before{content:"";position:absolute;inset:0;border-radius:999px;border:2px solid #25D366;animation:pulse 2.4s ease-out infinite;z-index:-1}
@keyframes pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.35);opacity:0}}
@media (hover:hover) and (pointer:fine){.wa-float:hover{transform:translateY(-3px);box-shadow:0 22px 48px -12px rgba(37,211,102,.85)}}

.totop{position:fixed;right:20px;bottom:86px;z-index:115;width:46px;height:46px;border-radius:50%;border:none;cursor:pointer;
  background:var(--ink);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .3s,transform .2s}
.totop.show{opacity:1;pointer-events:auto}
.totop svg{width:22px;height:22px}
@media (hover:hover) and (pointer:fine){.totop:hover{transform:translateY(-3px)}}

/* ───────── Theme switcher ───────── */
.theme-fab{position:fixed;left:18px;bottom:18px;z-index:120;width:54px;height:54px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(140deg,var(--accent),var(--accent-900));color:#fff;display:grid;place-items:center;
  box-shadow:var(--shadow);transition:transform .2s}
.theme-fab svg{width:26px;height:26px}
.theme-fab::after{content:"";position:absolute;right:-2px;top:-2px;width:14px;height:14px;border-radius:50%;background:var(--gold);border:2px solid var(--card)}
@media (hover:hover) and (pointer:fine){.theme-fab:hover{transform:rotate(-12deg) scale(1.06)}}
.theme-panel{position:fixed;left:18px;bottom:84px;z-index:121;background:var(--card);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow-lg);padding:14px;width:230px;
  opacity:0;transform:translateY(12px) scale(.96);transform-origin:bottom left;pointer-events:none;transition:opacity .22s,transform .22s}
.theme-panel.open{opacity:1;transform:none;pointer-events:auto}
.theme-panel h5{margin:0 0 4px;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-family:var(--serif);font-weight:600}
.theme-panel .tp-sub{font-size:.74rem;color:var(--muted);margin-bottom:12px}
.theme-opt{display:flex;align-items:center;gap:11px;width:100%;padding:9px 10px;border-radius:12px;border:1px solid transparent;background:none;cursor:pointer;text-align:left;transition:background .18s,border-color .18s}
.theme-opt:not(:last-child){margin-bottom:2px}
.theme-opt .sw{width:30px;height:30px;border-radius:9px;flex:none;border:1px solid rgba(0,0,0,.12);box-shadow:inset 0 0 0 2px rgba(255,255,255,.25)}
.theme-opt .nm{font-size:.92rem;font-weight:700;color:var(--heading)}
.theme-opt .zh{font-family:var(--cjk);font-size:.74rem;color:var(--muted)}
.theme-opt[aria-checked="true"]{border-color:var(--accent);background:var(--tint)}
.theme-opt .chk{margin-left:auto;color:var(--accent);opacity:0}
.theme-opt[aria-checked="true"] .chk{opacity:1}
.theme-opt .chk svg{width:18px;height:18px}
@media (hover:hover){.theme-opt:hover{background:color-mix(in srgb,var(--paper-2) 60%,transparent)}}

/* ════════════════ FOUNDER PAGE ════════════════ */
.f-hero{position:relative;overflow:hidden;color:var(--on-dark);
  background:linear-gradient(135deg,var(--hero-1),var(--hero-2) 45%,var(--hero-3))}
.f-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1.4px);background-size:22px 22px;opacity:.5}
.f-hero .wrap{position:relative;z-index:2;padding:74px 22px 86px;display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
.f-portrait{position:relative;justify-self:center;width:min(360px,82vw)}
.f-portrait .frame{position:relative;border-radius:28px;overflow:hidden;border:2px solid color-mix(in srgb,var(--gold) 70%,transparent);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.7),0 0 0 8px color-mix(in srgb,var(--gold) 12%,transparent)}
.f-portrait .frame img{width:100%;display:block;aspect-ratio:4/5;object-fit:cover;object-position:50% 22%}
.f-portrait .frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(8,8,12,.55))}
.f-portrait .seal{position:absolute;right:-14px;bottom:-14px;width:78px;height:78px;border-radius:16px;background:var(--accent);
  color:#fff;display:grid;place-items:center;font-family:var(--cjk);font-weight:900;font-size:1.7rem;box-shadow:var(--shadow);border:2px solid color-mix(in srgb,var(--gold) 70%,transparent);transform:rotate(-6deg)}
.f-portrait .ring{position:absolute;inset:-22px;border:1px dashed color-mix(in srgb,var(--gold) 45%,transparent);border-radius:36px;animation:spin 40s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.f-intro .kick{display:inline-flex;align-items:center;gap:9px;font-family:var(--serif);letter-spacing:.2em;text-transform:uppercase;font-size:.72rem;color:color-mix(in srgb,var(--gold) 70%,#fff);font-weight:600}
.f-intro h1{font-size:clamp(2.4rem,5.6vw,4rem);color:#fff;margin-top:16px;letter-spacing:-.02em}
.f-intro .role{margin-top:10px;font-size:1.15rem;font-weight:700;color:var(--gold)}
.f-intro .tagline{margin-top:18px;font-size:1.1rem;color:color-mix(in srgb,var(--on-dark) 92%,#fff);max-width:50ch}
.f-intro .cta-row{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.f-intro .qline{margin-top:26px;padding-left:16px;border-left:3px solid var(--gold);font-style:italic;color:color-mix(in srgb,var(--on-dark) 92%,#fff);font-size:1rem;max-width:46ch}
.f-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.f-stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:10px 14px}
.f-stat b{display:block;font-family:var(--serif);font-weight:700;color:var(--gold);font-size:1.05rem}
.f-stat span{font-size:.76rem;color:var(--on-dark-2)}

.bio-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:start}
.bio h2{font-size:clamp(1.8rem,3.4vw,2.5rem);margin-top:14px}
.bio h2 em{font-style:normal;color:var(--accent)}
.bio p{color:var(--text);font-size:1.04rem;margin-top:16px}
.bio p .hl{color:var(--accent);font-weight:700}
.focus-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-sm)}
.focus-card h4{color:var(--heading);font-size:1.05rem;margin-bottom:8px}
.focus-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.focus-list li{display:flex;gap:12px;align-items:flex-start}
.focus-list .fi{width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;background:var(--tint);color:var(--accent)}
.focus-list .fi svg{width:21px;height:21px}
.focus-list .ft{font-weight:700;color:var(--heading);font-size:.96rem}
.focus-list .fd{font-size:.86rem;color:var(--muted);margin-top:2px}

.connect-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:760px;margin:0 auto}
.connect{display:flex;align-items:center;gap:15px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s,border-color .2s}
.connect .ci{width:50px;height:50px;border-radius:14px;flex:none;display:grid;place-items:center;background:var(--tint);color:var(--accent)}
.connect .ci svg{width:25px;height:25px}
.connect .ck{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.connect .cv{font-size:1.02rem;color:var(--heading);font-weight:700;margin-top:2px;word-break:break-word}
@media (hover:hover) and (pointer:fine){.connect:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}}

/* ───────── Responsive ───────── */
@media (max-width:980px){
  .hero-grid,.about-grid,.contact-grid,.bio-grid,.f-hero .wrap{grid-template-columns:1fr}
  .hero-card{justify-self:stretch;width:auto;margin-top:10px}
  .svc-grid,.why-grid,.deck,.connect-grid{grid-template-columns:repeat(2,1fr)}
  .out-list{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  .f-hero .wrap{gap:34px}
  .f-portrait{order:-1}
}
@media (max-width:760px){
  .section{padding:68px 0}.section--tight{padding:52px 0}
  .menu,.nav-cta .btn{display:none}
  .hamb{display:inline-flex}
  .course-grid,.val{grid-template-columns:1fr}
  .deck{grid-template-columns:1fr 1fr}
  .out-list{grid-template-columns:1fr}
  .fgrid,.connect-grid{grid-template-columns:1fr}
  .wa-float .lab{display:none}
  .wa-float{padding:14px;border-radius:50%}
  .mobile-menu.open{display:block;position:fixed;inset:0 0 0 auto;width:min(82%,330px);z-index:130;
    background:var(--paper);box-shadow:-20px 0 60px -20px rgba(0,0,0,.4);padding:26px 24px;overflow-y:auto;animation:slidein .25s ease}
  .mm-overlay.open{display:block;position:fixed;inset:0;background:rgba(8,12,24,.5);z-index:125}
}
@keyframes slidein{from{transform:translateX(100%)}to{transform:translateX(0)}}
@media (max-width:430px){
  .deck{grid-template-columns:1fr}
  .brand .sub{display:none}
  .hero .wrap{padding-top:60px;padding-bottom:72px}
  .theme-panel{width:calc(100vw - 36px)}
}

/* ───────── Desktop niceties ───────── */
.scroll-bar{position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--accent),var(--gold));box-shadow:0 0 10px color-mix(in srgb,var(--gold) 60%,transparent);transition:width .08s linear}
.ripple{position:fixed;width:10px;height:10px;border-radius:50%;pointer-events:none;z-index:300;
  transform:translate(-50%,-50%);background:radial-gradient(circle,color-mix(in srgb,var(--gold) 55%,transparent),transparent 70%);
  animation:rip .65s ease-out forwards}
@keyframes rip{from{opacity:.7;width:10px;height:10px}to{opacity:0;width:120px;height:120px}}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  .flip-in{transition:none}
}