:root{
  --cream:#FBF6EC; --ivory:#F6EEDC; --paper:#FFFDF8;
  --gold:#B8913F; --gold-d:#8A6A2A; --gold-l:#E9CF8E;
  --ink:#16130E; --ink2:#4A4336; --mute:#857B68; --line:#E8DCC2;
  --grad:linear-gradient(135deg,#F1DCA0 0%,#C9A14F 45%,#9C7A33 100%);
  --r:18px; --shadow:0 10px 30px -14px rgba(90,64,20,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC",sans-serif;
  background:var(--cream);color:var(--ink);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.serif{font-family:"Noto Serif CJK SC","Songti SC","STSong",Georgia,serif}
.gold-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-size:12px;letter-spacing:.22em;color:var(--gold-d);font-weight:600;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}
h2.title{font-size:clamp(26px,5.4vw,40px);font-weight:900;line-height:1.25;margin:10px 0 10px;letter-spacing:.01em}
.lead{color:var(--ink2);font-size:15.5px;max-width:640px}
section{padding:64px 0;position:relative}
.sec-head{margin-bottom:30px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 24px;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s;font-family:inherit;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-dark{background:var(--ink);color:#E9CF8E;box-shadow:0 8px 20px -10px rgba(0,0,0,.6)}
.btn-dark:hover{box-shadow:0 10px 24px -8px rgba(0,0,0,.55)}
.btn-gold{background:var(--grad);color:#fff;text-shadow:0 1px 1px rgba(90,60,10,.35)}
.btn-line{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-sm{padding:8px 16px;font-size:14px}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(251,246,236,.88);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid rgba(184,145,63,.18)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.brand img{width:38px;height:38px;border-radius:50%;object-fit:cover;border:2px solid var(--gold-l)}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--mute);letter-spacing:.05em;line-height:1.2}
.brand b{line-height:1.2;display:block}
.menu{display:flex;gap:26px;font-size:15px;color:var(--ink2)}
.menu a:hover{color:var(--gold-d)}
@media(max-width:860px){.menu{display:none}}

/* hero */
.hero{padding:44px 0 56px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(38px,9vw,68px);font-weight:900;line-height:1.12;letter-spacing:.01em;margin:16px 0 14px}
.hero .slogan{font-size:clamp(17px,3.6vw,21px);font-weight:700;color:var(--ink);margin-bottom:10px}
.hero .slogan span{border-bottom:2px solid var(--gold-l)}
.hero p.sub{color:var(--ink2);max-width:520px}
.bio{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 26px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:13.5px;color:var(--ink2)}
.chip .flag{width:20px;height:14px}
.ctas{display:flex;flex-wrap:wrap;gap:12px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;max-width:540px}
.stat{border-left:2px solid var(--gold);padding:2px 0 2px 14px}
.stat b{font-size:28px;font-weight:900;display:block;line-height:1.1}
.stat span{font-size:12.5px;color:var(--mute)}
.hero-art{position:relative;aspect-ratio:1/1;max-width:440px;justify-self:center;width:100%}
.ring{position:absolute;border-radius:50%;border:1px solid rgba(184,145,63,.45);inset:0}
.ring.r2{inset:9%;border-color:rgba(184,145,63,.35)}
.ring.r3{inset:18%;border-color:rgba(184,145,63,.28)}
.ring.r4{inset:-9%;border-color:rgba(184,145,63,.18)}
.coin{position:absolute;inset:27%;border-radius:50%;background:var(--grad);box-shadow:0 30px 50px -20px rgba(120,85,20,.6),inset 0 0 0 6px rgba(255,246,220,.35),inset 0 -12px 24px rgba(110,75,15,.35);display:grid;place-items:center;animation:float 6s ease-in-out infinite}
.coin::before{content:"";position:absolute;inset:10%;border-radius:50%;border:2px dashed rgba(255,248,225,.55)}
.coin span{font-family:Georgia,serif;font-size:clamp(70px,14vw,120px);font-weight:700;color:#FFF7E0;text-shadow:0 3px 0 rgba(120,85,20,.45)}
@keyframes float{50%{transform:translateY(-10px) rotate(-4deg)}}
.spark{position:absolute;width:22px;height:22px;color:var(--gold)}
.spark svg{width:100%;height:100%}
.avatar-badge{position:absolute;left:-2%;bottom:6%;background:var(--paper);border-radius:999px;padding:7px 16px 7px 7px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow);font-size:13px;font-weight:700}
.avatar-badge img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.avatar-badge small{display:block;font-weight:500;color:var(--mute);font-size:11.5px}
.float-flag{position:absolute;background:var(--paper);border-radius:12px;padding:6px;box-shadow:var(--shadow)}
.float-flag .flag{width:34px;height:23px}

/* bands */
.band{background:var(--ink);color:#EADFC6;padding:16px 0;overflow:hidden;white-space:nowrap}
.band .track{display:inline-flex;gap:38px;animation:marq 40s linear infinite;font-size:14px;letter-spacing:.08em}
.band .track span{display:inline-flex;align-items:center;gap:8px}
.band .track i{color:var(--gold-l);font-style:normal}
@keyframes marq{to{transform:translateX(-50%)}}

/* cards */
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--paper);border-radius:var(--r);padding:24px 22px;border:1px solid rgba(232,220,194,.8);box-shadow:var(--shadow);position:relative}
.card.lb{border-left:4px solid var(--gold)}
.card .no{font-size:12px;letter-spacing:.18em;color:var(--gold-d);font-weight:700}
.card h3{font-size:20px;font-weight:900;margin:8px 0 8px}
.card p{color:var(--ink2);font-size:14.5px}
.card ul{list-style:none;margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.card ul li{font-size:12.5px;background:var(--ivory);border-radius:999px;padding:3px 10px;color:var(--ink2)}
.card .more{display:inline-flex;margin-top:16px;font-weight:700;font-size:14px;color:var(--gold-d)}
.ico{width:46px;height:46px;border-radius:14px;background:var(--ink);display:grid;place-items:center;color:var(--gold-l);font-size:22px}
.ico svg{width:24px;height:24px}

/* pillars (each episode) */
.pillars{background:linear-gradient(180deg,var(--ivory),var(--cream))}
.pillar{display:flex;gap:16px;align-items:flex-start}
.pillar .num{flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;font-weight:900;display:grid;place-items:center;font-size:18px}
.pillar h3{margin-top:0}

/* why */
.why{background:var(--ink);color:#EFE6D2;overflow:hidden}
.why .title{color:#fff}
.why .lead{color:#C9BDA3}
.why .eyebrow{color:var(--gold-l)}
.why .card{background:#211D16;border-color:#2F291F;box-shadow:none}
.why .card h3{color:#fff}
.why .card p{color:#BDB197}
.why .ring{border-color:rgba(233,207,142,.14)}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
.step{background:var(--paper);border-radius:var(--r);padding:22px 18px;border:1px solid var(--line);position:relative}
.step b.n{font-family:Georgia,serif;font-size:34px;line-height:1;display:block;margin-bottom:10px}
.step h3{font-size:18px;font-weight:900;margin-bottom:6px}
.step p{font-size:14px;color:var(--ink2)}

/* episodes */
.tools{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;align-items:center}
.search{flex:1 1 240px;max-width:360px;position:relative}
.search input{width:100%;border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:11px 16px 11px 40px;font-size:15px;font-family:inherit;outline:none}
.search input:focus{border-color:var(--gold)}
.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--mute)}
.tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:8px 14px;font-size:14px;cursor:pointer;font-family:inherit;color:var(--ink2)}
.tab.on{background:var(--ink);color:var(--gold-l);border-color:var(--ink)}
.eps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.ep{background:var(--paper);border-radius:16px;padding:14px 14px 14px 16px;border:1px solid var(--line);border-left:4px solid var(--gold);display:flex;flex-direction:column;gap:8px;transition:transform .15s,box-shadow .15s;cursor:pointer;text-align:left;font-family:inherit;color:inherit;font-size:inherit}
.ep:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.ep .top{display:flex;justify-content:space-between;align-items:center}
.ep .top em{font-style:normal;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--gold-d)}
.ep .flag{width:30px;height:20px}
.ep h4{font-size:18px;font-weight:900;line-height:1.25}
.ep small{font-size:12px;color:var(--mute)}
.ep.tbd{border-left-color:#D9CDB3;background:transparent;border-style:dashed;cursor:default}
.ep.tbd h4{color:var(--mute);font-weight:700;font-size:15px}
.ep.tbd:hover{transform:none;box-shadow:none}
.ep-empty{display:none;color:var(--mute);padding:20px 0}
.ep-note{margin-top:14px;font-size:13px;color:var(--mute)}

/* brief builder */
.brief{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field label{font-size:13.5px;font-weight:700;color:var(--ink2)}
.field select,.field input,.field textarea{border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;font-size:15px;font-family:inherit;outline:none;color:var(--ink)}
.field textarea{min-height:76px;resize:vertical}
.field select:focus,.field input:focus,.field textarea:focus{border-color:var(--gold)}
.pills{display:flex;flex-wrap:wrap;gap:6px}
.pills label{font-weight:500;font-size:14px;border:1px solid var(--line);border-radius:999px;padding:6px 12px;cursor:pointer;background:#fff;display:inline-flex;gap:6px;align-items:center}
.pills input{accent-color:var(--gold)}
.preview{background:var(--ink);color:#EFE6D2;border-radius:var(--r);padding:22px;display:flex;flex-direction:column;gap:14px}
.preview pre{white-space:pre-wrap;font-family:inherit;font-size:14.5px;line-height:1.75;background:#211D16;border-radius:12px;padding:16px;flex:1;min-height:180px;color:#F3EAD6}
.preview .row{display:flex;gap:10px;flex-wrap:wrap}
.hint{font-size:12.5px;color:var(--mute)}
.preview .hint{color:#A79B82}

/* faq */
.faq{max-width:860px}
details{background:var(--paper);border:1px solid var(--line);border-radius:16px;margin-bottom:10px;overflow:hidden}
summary{list-style:none;cursor:pointer;padding:18px 54px 18px 20px;font-weight:800;font-size:16px;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;background:var(--ivory);display:grid;place-items:center;color:var(--gold-d);font-weight:700;transition:transform .2s}
details[open] summary::after{content:"−"}
details p{padding:0 20px 18px;color:var(--ink2);font-size:15px}

/* contact */
.contact{background:var(--ivory);overflow:hidden}
.ccards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.cc{background:var(--paper);border-radius:var(--r);padding:24px;box-shadow:var(--shadow);border-left:4px solid var(--gold);display:flex;flex-direction:column;gap:10px}
.cc .lab{font-size:13px;color:var(--mute);font-weight:700;letter-spacing:.08em}
.cc .val{font-size:24px;font-weight:900;word-break:break-all}
.cc .row{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto}
.qr-img{width:200px;height:200px;border-radius:12px;background:#fff;align-self:center;image-rendering:auto;box-shadow:0 0 0 1px var(--line)}
.qr-hint{font-weight:800;color:var(--ink);font-size:14px}
.m-only{display:none}
@media(max-width:860px){.m-only{display:inline}.d-only2{display:none}}
.sheet-contact{display:flex;gap:16px;align-items:center;background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:16px;padding:14px;margin-top:6px}
.sheet-contact img{width:132px;height:132px;border-radius:8px;flex:0 0 auto}
.sheet-contact b{font-size:16px}
.sheet-contact .row{margin-top:8px}
.ep.topic{background:linear-gradient(135deg,#FFFDF8,#F6EEDC)}
.fab .btn{padding:8px 18px 8px 8px}
.wa{color:#fff;background:#1F9D55}

/* footer */
footer{background:var(--ink);color:#B3A78E;padding:40px 0 110px;font-size:13.5px}
footer .brand{color:#fff}
footer .disc{margin-top:16px;padding:14px 16px;border:1px solid #3A3226;border-radius:12px;color:#D8CCB0;line-height:1.75}
footer .fl{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}

/* floating */
.fab{position:fixed;right:16px;bottom:calc(18px + env(safe-area-inset-bottom));z-index:60;display:flex;gap:10px;opacity:0;transform:translateY(20px);pointer-events:none;transition:.25s}
.fab.on{opacity:1;transform:none;pointer-events:auto}
.fab .btn{box-shadow:0 12px 26px -8px rgba(0,0,0,.45)}
@media(min-width:861px){.fab{display:none}footer{padding-bottom:40px}}

/* modal */
.modal{position:fixed;inset:0;background:rgba(22,19,14,.55);z-index:80;display:none;align-items:flex-end;justify-content:center;padding:16px}
.modal.on{display:flex}
.sheet{background:var(--cream);border-radius:22px;padding:24px;max-width:520px;width:100%;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);max-height:86vh;overflow:auto}
.sheet h3{font-size:24px;font-weight:900;margin:6px 0 10px;display:flex;align-items:center;gap:10px}
.sheet h3 .flag{width:36px;height:24px}
.sheet .card{box-shadow:none;margin-bottom:10px;padding:14px 16px}
.sheet .card h3{font-size:16px;margin:0 0 4px}
.sheet .row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
@media(min-width:700px){.modal{align-items:center}}

.toast{position:fixed;left:50%;top:84px;transform:translateX(-50%) translateY(-20px);background:var(--ink);color:var(--gold-l);padding:10px 18px;border-radius:999px;font-size:14px;opacity:0;transition:.25s;z-index:99;pointer-events:none}
.toast.on{opacity:1;transform:translateX(-50%)}

.flag{display:inline-block;border-radius:3px;box-shadow:0 0 0 1px rgba(0,0,0,.08);overflow:hidden;flex:0 0 auto}

/* responsive */
@media(max-width:1020px){.eps{grid-template-columns:repeat(4,1fr)}.steps{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){
  section{padding:48px 0}
  .hero{padding:26px 0 40px}
  .hero-grid{grid-template-columns:1fr;gap:10px}
  .hero-art{order:-1;max-width:230px;margin:6px auto 4px}
  .float-flag .flag{width:26px;height:17px}
  .d-only{display:none}
  .preview pre{min-height:120px}
  .g3,.brief,.ccards{grid-template-columns:1fr}
  .eps{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .step{display:grid;grid-template-columns:52px 1fr;column-gap:10px}
  .step b.n{grid-row:span 2;margin:0;font-size:30px}
  .avatar-badge{display:none}
}
@media(max-width:520px){
  .g4{grid-template-columns:1fr}
  .stats{gap:8px}.stat b{font-size:22px}.stat{padding-left:10px}
  .ctas .btn{flex:1 1 auto}
  .brand small{display:none}
  .nav .btn-sm{padding:8px 14px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

footer [data-flag] .flag{width:20px;height:14px;vertical-align:-2px}
.paid-note{display:inline-block;margin-top:12px;padding:8px 14px;border-radius:12px;background:var(--paper);border:1px solid var(--gold-l);color:var(--gold-d);font-weight:700;font-size:14px}