:root{
  --ink:#1a1a1a;
  --ink-2:#4a4a4a;
  --ink-3:#8a8a8a;
  --line:#e8e4dd;
  --bg:#faf8f4;
  --bg-2:#f2eee7;
  --gold:#9c7c46;
  --gold-soft:#c9a961;
  --accent:#8b3a3a;
  --radius:10px;
  --max:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Songti SC","STSong","SimSun","Noto Serif SC",Georgia,serif;
  color:var(--ink);background:var(--bg);
  line-height:1.9;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ===== 顶栏 ===== */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,248,244,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:19px;font-weight:700;letter-spacing:.08em;color:var(--ink)}
.logo .dot{color:var(--gold-soft)}
.nav-links{display:flex;gap:30px;font-size:14.5px;color:var(--ink-2)}
.nav-links a{position:relative;padding:4px 0;transition:color .2s}
.nav-links a:hover{color:var(--gold)}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold);transition:width .3s;
}
.nav-links a:hover::after{width:100%}
.btn{
  display:inline-block;padding:11px 26px;border-radius:var(--radius);
  font-size:14.5px;letter-spacing:.05em;transition:all .25s;cursor:pointer;
  border:1px solid transparent;font-family:inherit;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--gold);transform:translateY(-1px);box-shadow:0 6px 20px rgba(156,124,70,.28)}
.btn-ghost{border-color:var(--line);color:var(--ink-2);background:#fff}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}

/* ===== 首屏 ===== */
.hero{padding:96px 0 84px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-160px;right:-160px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(201,169,97,.13),transparent 68%);
  border-radius:50%;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;position:relative}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.22em;color:var(--gold);
  border:1px solid rgba(201,169,97,.45);padding:5px 14px;border-radius:40px;margin-bottom:26px;
  font-family:system-ui,-apple-system,sans-serif;
}
h1{
  font-size:50px;line-height:1.28;font-weight:700;letter-spacing:.02em;margin-bottom:24px;
}
h1 .hl{color:var(--gold);position:relative}
h1 .hl::after{
  content:"";position:absolute;left:0;bottom:4px;width:100%;height:9px;
  background:rgba(201,169,97,.2);z-index:-1;
}
.hero-sub{font-size:17.5px;color:var(--ink-2);margin-bottom:36px;max-width:520px}

/* 首屏 Slogan */
.hero-slogan{
  font-size:22px;letter-spacing:.14em;color:var(--gold);
  font-weight:700;margin-bottom:18px;position:relative;display:inline-block;
}
.hero-slogan::before{
  content:"";position:absolute;left:0;bottom:-6px;width:100%;height:2px;
  background:linear-gradient(90deg,var(--gold-soft),transparent);
}

.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:34px 32px;box-shadow:0 18px 50px rgba(26,26,26,.07);
}
.hero-card h3{font-size:16px;letter-spacing:.1em;color:var(--gold);margin-bottom:20px;font-weight:700}
.fact{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px}
.fact:last-child{border-bottom:0}
.fact .k{color:var(--ink-3);min-width:56px;flex-shrink:0;font-size:14px}
.fact .v{color:var(--ink);font-weight:600}

/* ===== 通用区块 ===== */
section{padding:78px 0}
.sec-head{text-align:center;margin-bottom:52px}
.sec-head .eyebrow{margin-bottom:16px}
.sec-head h2{font-size:34px;letter-spacing:.04em;font-weight:700}
.sec-head p{color:var(--ink-3);margin-top:14px;font-size:15.5px}
.alt{background:var(--bg-2)}

/* ===== 痛点 ===== */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pain{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:all .28s;
}
.pain:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(26,26,26,.08);border-color:var(--gold-soft)}
.pain .n{
  font-size:13px;color:var(--gold);letter-spacing:.16em;margin-bottom:12px;
  font-family:system-ui,sans-serif;font-weight:600;
}
.pain h4{font-size:18px;margin-bottom:10px;letter-spacing:.02em}
.pain p{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ===== 成功者也需要定位 ===== */
.argue{max-width:760px;margin:0 auto}
.argue p{font-size:16px;color:var(--ink-2);line-height:2.05;margin-bottom:22px}
.argue-lead{
  font-size:20px !important;color:var(--ink) !important;
  line-height:1.9 !important;padding-left:20px;
  border-left:3px solid var(--gold-soft);
}
.argue .case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 32px;margin:34px 0;
}
.argue .case p{font-size:15.5px;margin-bottom:16px}
.argue .case p:last-child{margin-bottom:0}
.argue .case strong{color:var(--gold)}

/* ===== 八法 ===== */
.methods{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.method{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 22px;position:relative;transition:all .28s;overflow:hidden;
}
.method::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:0;
  background:var(--gold-soft);transition:height .35s;
}
.method:hover::before{height:100%}
.method:hover{box-shadow:0 12px 32px rgba(26,26,26,.07)}
.method .idx{
  font-size:12px;letter-spacing:.18em;color:var(--gold-soft);font-weight:700;
  font-family:system-ui,sans-serif;margin-bottom:12px;
}
.method h4{font-size:19px;letter-spacing:.06em;margin-bottom:9px}
.method p{font-size:13.5px;color:var(--ink-3);line-height:1.8}
.method .m-slogan{
  font-size:13px;color:var(--gold);font-weight:600;letter-spacing:.03em;
  margin-bottom:10px;padding-bottom:10px;border-bottom:1px dashed var(--line);
  line-height:1.7;
}

/* 第一法：总纲，独占整行 */
.method-lead{
  grid-column:1 / -1;
  background:linear-gradient(120deg,#fdfbf7,#f6f1e8);
  border-color:var(--gold-soft);
  padding:32px 34px;
  display:grid;grid-template-columns:auto 1fr;gap:0 28px;align-items:center;
}
.method-lead::before{background:var(--gold);width:4px}
.method-lead .idx{color:var(--gold);letter-spacing:.14em;margin-bottom:6px}
.method-lead h4{font-size:26px;color:var(--gold);margin-bottom:6px}
.method-lead .m-slogan{
  font-size:16px;border-bottom:0;margin-bottom:0;padding-bottom:0;
}
.method-lead p:last-child{
  font-size:14.5px;color:var(--ink-2);grid-column:2;line-height:1.85;
}
.method-lead strong{color:var(--gold)}

/* ===== 课程结构 ===== */
.syllabus{max-width:760px;margin:0 auto}
.lesson{
  display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--line);
}
.lesson:last-child{border-bottom:0}
.lesson .no{
  font-size:14px;color:var(--gold);font-weight:700;letter-spacing:.1em;
  font-family:system-ui,sans-serif;flex-shrink:0;width:64px;padding-top:3px;
}
.lesson .body h4{font-size:17.5px;margin-bottom:7px;letter-spacing:.02em}
.lesson .body h4 .ls{
  display:inline-block;font-size:13px;font-weight:400;color:var(--gold);
  letter-spacing:.06em;margin-left:8px;padding-left:10px;
  border-left:1px solid rgba(201,169,97,.5);vertical-align:middle;
}
.lesson .body p{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ===== 关于 ===== */
.about{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start}
.about-side{text-align:center}
.avatar{
  width:150px;height:150px;border-radius:50%;margin:0 auto 22px;
  background:linear-gradient(140deg,#2a2a2a,#4a4034);
  display:flex;align-items:center;justify-content:center;
  font-size:52px;color:var(--gold-soft);letter-spacing:.05em;
  box-shadow:0 14px 40px rgba(26,26,26,.16);
}
.about-side .name{font-size:21px;font-weight:700;letter-spacing:.08em;margin-bottom:6px}
.about-side .role{font-size:14px;color:var(--ink-3);letter-spacing:.08em}
.about-main h3{font-size:24px;margin-bottom:20px;letter-spacing:.03em}
.about-main p{color:var(--ink-2);margin-bottom:16px;font-size:15.5px}
.credentials{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.cred{
  background:#fff;border:1px solid var(--line);border-radius:40px;
  padding:8px 18px;font-size:13.5px;color:var(--ink-2);
}
.cred strong{color:var(--gold);font-weight:700}

/* ===== 招募/CTA ===== */
.cta-box{
  background:linear-gradient(140deg,#1f1d1a,#33291d);
  border-radius:18px;padding:64px 48px;text-align:center;color:#fff;
  position:relative;overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;top:-120px;left:-120px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(201,169,97,.16),transparent 68%);border-radius:50%;
}
.cta-box h2{font-size:32px;margin-bottom:18px;letter-spacing:.04em;position:relative}
.cta-box p{color:rgba(255,255,255,.72);margin-bottom:34px;max-width:520px;margin-left:auto;margin-right:auto;position:relative}

/* CTA Slogan */
.cta-slogan{
  font-size:24px !important;letter-spacing:.18em;color:var(--gold-soft) !important;
  font-weight:700;margin-bottom:30px !important;
}

.cta-box .btn-primary{background:var(--gold-soft);color:#1a1a1a}
.cta-box .btn-primary:hover{background:#fff;box-shadow:0 8px 26px rgba(201,169,97,.35)}
.cta-note{font-size:13px;color:rgba(255,255,255,.42);margin-top:22px;position:relative}

/* ===== 页脚 ===== */
footer{border-top:1px solid var(--line);padding:44px 0;background:var(--bg)}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;font-size:14px;color:var(--ink-3)}
.foot-links{display:flex;gap:24px;flex-wrap:wrap}
.foot-links a:hover{color:var(--gold)}

/* 页脚 Slogan */
.foot-slogan{
  margin-top:10px;font-size:14px;letter-spacing:.1em;
  color:var(--gold);font-weight:600;
}

.disclaimer{
  margin-top:24px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--ink-3);line-height:1.8;
}

/* ===== 条款页 ===== */
.doc{max-width:820px;margin:0 auto;padding:56px 0 40px}
.doc h1{font-size:32px;margin-bottom:10px;letter-spacing:.03em}
.doc .meta{color:var(--ink-3);font-size:14px;margin-bottom:40px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.doc h2{font-size:20px;margin:36px 0 14px;letter-spacing:.03em}
.doc h3{font-size:16.5px;margin:24px 0 10px}
.doc p{color:var(--ink-2);margin-bottom:14px;font-size:15px}
.doc ul{margin:0 0 16px 22px;color:var(--ink-2);font-size:15px}
.doc li{margin-bottom:9px}
.doc .notice{
  background:#fff;border-left:3px solid var(--gold-soft);
  padding:18px 22px;border-radius:0 var(--radius) var(--radius) 0;
  margin:22px 0;font-size:14.5px;color:var(--ink-2);
}
.back{display:inline-block;margin-bottom:28px;font-size:14px;color:var(--ink-3)}
.back:hover{color:var(--gold)}

/* ===== 响应式 ===== */
@media(max-width:900px){
  .hero-grid,.about{grid-template-columns:1fr;gap:40px}
  .methods{grid-template-columns:repeat(2,1fr)}
  .pain-grid{grid-template-columns:1fr}
  h1{font-size:38px}
  .about-side{text-align:left;display:flex;gap:20px;align-items:center}
  .avatar{margin:0;width:88px;height:88px;font-size:32px}
  .method-lead{grid-template-columns:1fr;gap:8px;padding:26px 24px}
  .method-lead p:last-child{grid-column:1}
}
@media(max-width:640px){
  .nav-links{display:none}
  h1{font-size:31px}
  .hero{padding:64px 0 56px}
  section{padding:56px 0}
  .methods{grid-template-columns:1fr}
  .method-lead h4{font-size:22px}
  .method-lead .m-slogan{font-size:15px}
  .sec-head h2{font-size:26px}
  .cta-box{padding:44px 24px}
  .cta-box h2{font-size:25px}
}