/* ==========================================================================
   style.css —— 古风道法 / 绿金配色 / 移动优先
   目标：首屏 < 2.5s LCP，单文件 < 20KB，无外部字体、无第三方库
   ========================================================================== */

:root{
  --g950:#061E14; --g900:#0A2A1C; --g800:#0F3726; --g700:#144630;
  --g600:#1B5A3E; --g500:#24714E; --g400:#3E8F68;
  --gold:#C9A227; --gold-l:#E3C96F; --gold-d:#96761A;
  --rice:#F9F6EE; --rice-2:#F0EADA; --rice-3:#E5DCC6;
  --ink:#16241C; --ink-2:#4A5A50; --ink-3:#7C897F;
  --line:rgba(201,162,39,.30); --line-2:rgba(201,162,39,.16);
  --radius:14px; --radius-lg:20px;
  --font-serif:"Songti SC","STSong","Source Han Serif SC","Noto Serif SC",SimSun,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --wrap:480px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--rice-2);color:var(--ink);
  font-family:var(--font-sans);font-size:15px;line-height:1.75;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3{font-family:var(--font-serif);font-weight:600;line-height:1.35;margin:0;letter-spacing:.01em}
p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 版面容器 ---------- */
.page{max-width:var(--wrap);margin:0 auto;background:var(--rice);position:relative;
  box-shadow:0 0 60px rgba(10,42,28,.10)}
section{padding:52px 22px}
.sec-head{margin-bottom:26px}
.sec-head h2{font-size:23px;color:var(--g800)}
.sec-head p{margin-top:8px;font-size:14px;color:var(--ink-2)}
.eyebrow{display:inline-block;font-size:11px;letter-spacing:.22em;color:var(--gold-d);
  text-transform:uppercase;margin-bottom:10px;font-weight:500}

/* ---------- 回纹分隔条 ---------- */
.meander{
  height:14px;background-repeat:repeat-x;background-size:28px 14px;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='14' viewBox='0 0 28 14'%3E%3Cg fill='none' stroke='%23C9A227' stroke-width='1.1'%3E%3Cpath d='M2 12V2h10v6H8V6h2'/%3E%3Cpath d='M16 12V2h10v6h-4V6h2'/%3E%3C/g%3E%3C/svg%3E");
}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:10px 18px;background:rgba(6,30,20,.92);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line-2);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--rice)}
.brand .mark{width:30px;height:30px;flex:0 0 30px}
.brand b{font-family:var(--font-serif);font-size:16px;font-weight:600;letter-spacing:.06em}
.brand span{display:block;font-size:9px;letter-spacing:.18em;color:var(--gold-l);opacity:.85}

.lang{display:inline-flex;gap:2px;background:rgba(255,255,255,.07);border-radius:999px;padding:2px}
.lang button{padding:5px 10px;border-radius:999px;font-size:12px;color:rgba(249,246,238,.72)}
.lang button[aria-pressed="true"]{background:var(--gold);color:var(--g950);font-weight:600}

/* ---------- Hero ---------- */
.hero{position:relative;padding:44px 22px 40px;background:var(--g900);color:var(--rice);overflow:hidden}
.hero .hills{position:absolute;inset:auto 0 0 0;width:100%;height:auto;opacity:.9;pointer-events:none}
.hero .hills rect{fill:var(--g800)}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;letter-spacing:.14em;
  color:var(--gold-l);border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:20px;
}
.hero h1{font-size:29px;line-height:1.42;color:#fff}
.hero h1 em{font-style:normal;color:var(--gold-l)}
.hero-sub{margin-top:14px;font-size:14.5px;color:rgba(249,246,238,.78);line-height:1.8}

/* 师父头像位 */
.portrait{
  width:132px;height:132px;margin:24px auto 0;border-radius:50%;
  border:1px solid var(--line);padding:5px;background:rgba(255,255,255,.04);
}
.portrait img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.portrait .ph{
  width:100%;height:100%;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(201,162,39,.10);color:var(--gold-l);font-size:11px;text-align:center;line-height:1.5;
}

/* ---------- 按钮 ---------- */
.btn{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:16px 20px;border-radius:var(--radius);font-size:16px;font-weight:600;
  background:linear-gradient(180deg,var(--gold-l),var(--gold));color:var(--g950);
  box-shadow:0 6px 18px rgba(201,162,39,.28);transition:transform .12s ease;
}
.btn:active{transform:translateY(1px)}
.btn .ico{width:18px;height:18px;flex:0 0 18px}
.btn-ghost{
  background:transparent;color:var(--rice);border:1px solid var(--line);
  box-shadow:none;font-weight:500;font-size:14px;padding:13px 18px;
}
.hero .btn{margin-top:26px}
.btn-note{margin-top:10px;font-size:12px;color:rgba(249,246,238,.6);text-align:center}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);background:var(--g950);color:var(--rice)}
.stats div{padding:18px 8px;text-align:center;border-right:1px solid var(--line-2)}
.stats div:last-child{border-right:0}
.stats b{display:block;font-family:var(--font-serif);font-size:21px;color:var(--gold-l)}
.stats span{font-size:11.5px;color:rgba(249,246,238,.6)}

/* ---------- 痛点 ---------- */
.pain-item{display:flex;gap:14px;padding:16px;margin-bottom:12px;
  background:#fff;border:1px solid var(--rice-3);border-radius:var(--radius)}
.pain-item .thumb{
  width:64px;height:64px;flex:0 0 64px;border-radius:10px;overflow:hidden;
  background:var(--rice-2);border:1px solid var(--rice-3);
}
.pain-item .thumb img{width:100%;height:100%;object-fit:cover}
.pain-item .thumb .ph{width:100%;height:100%;display:grid;place-items:center;
  font-size:10px;color:var(--ink-3);text-align:center;line-height:1.4}
.pain-item h3{font-size:15.5px;color:var(--g700);margin-bottom:4px}
.pain-item p{font-size:13.5px;color:var(--ink-2)}

/* ---------- 课程 ---------- */
.course{background:var(--g800);color:var(--rice)}
.course .sec-head h2{color:#fff}
.course .sec-head p{color:rgba(249,246,238,.66)}
.step{display:flex;gap:14px;padding:15px 0;border-top:1px solid var(--line-2)}
.step:last-child{border-bottom:1px solid var(--line-2)}
.step .no{font-family:var(--font-serif);font-size:19px;color:var(--gold);flex:0 0 34px;line-height:1.5}
.step h3{font-size:15.5px;color:#fff;margin-bottom:3px}
.step p{font-size:13.5px;color:rgba(249,246,238,.68)}

/* ---------- 师资 ---------- */
.teacher{text-align:center}
.teacher .avatar{width:112px;height:112px;margin:0 auto 16px;border-radius:50%;
  padding:4px;border:1px solid var(--line);background:#fff}
.teacher .avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.teacher .avatar .ph{width:100%;height:100%;border-radius:50%;display:grid;place-items:center;
  background:var(--rice-2);font-size:10.5px;color:var(--ink-3)}
.teacher h3{font-size:19px;color:var(--g700)}
.teacher .role{font-size:12.5px;color:var(--gold-d);letter-spacing:.08em;margin-top:4px}
.teacher .bio{margin-top:14px;font-size:14px;color:var(--ink-2);text-align:left}

/* ---------- 学员反馈 ---------- */
.voice{background:#fff;border:1px solid var(--rice-3);border-left:3px solid var(--gold);
  border-radius:var(--radius);padding:16px;margin-bottom:12px}
.voice q{display:block;font-size:14px;color:var(--ink-2);quotes:"\201C" "\201D"}
.voice .who{margin-top:10px;font-size:12.5px;color:var(--ink-3)}
.voice .who b{color:var(--g700);font-weight:500}
.voices-note{font-size:11.5px;color:var(--ink-3);margin-bottom:14px}

/* ---------- FAQ ---------- */
.faq{background:var(--rice-2)}
.faq-item{background:#fff;border:1px solid var(--rice-3);border-radius:var(--radius);margin-bottom:10px;overflow:hidden}
.faq-item summary{list-style:none;padding:15px 16px;font-size:14.5px;font-weight:500;
  color:var(--g700);display:flex;justify-content:space-between;gap:12px;cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";width:9px;height:9px;flex:0 0 9px;margin-top:6px;
  border-right:1.5px solid var(--gold-d);border-bottom:1.5px solid var(--gold-d);
  transform:rotate(45deg);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:9px}
.faq-item[open] summary{color:var(--gold-d)}
.faq-item .a{padding:0 16px 16px;font-size:13.5px;color:var(--ink-2);border-top:1px solid var(--rice-2);
  padding-top:14px;margin-top:0}

/* ---------- 底部行动区 ---------- */
.final{background:var(--g900);color:var(--rice);text-align:center;padding:52px 22px 60px}
.final h2{font-size:22px;color:#fff}
.final p{margin-top:10px;font-size:14px;color:rgba(249,246,238,.72)}
.final .btn{margin-top:24px}
.alt-row{margin-top:20px;padding-top:18px;border-top:1px solid var(--line-2)}
.alt-row span{font-size:12.5px;color:rgba(249,246,238,.58)}
.alt-row .chips{display:flex;gap:10px;justify-content:center;margin-top:12px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:7px;padding:11px 18px;border-radius:999px;
  font-size:13.5px;border:1px solid var(--line);color:var(--gold-l);background:rgba(255,255,255,.04)}
.chip:active{background:rgba(255,255,255,.10)}
.chip svg{width:16px;height:16px;flex:0 0 16px}

/* ---------- 页脚 ---------- */
footer{background:var(--g950);color:rgba(249,246,238,.6);padding:30px 22px 34px;font-size:12.5px}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:16px}
.foot-links a{color:rgba(249,246,238,.8);font-size:12.5px;border-bottom:1px solid var(--line-2)}
.foot-meta{line-height:1.9}
.foot-meta dt{color:var(--gold-l);font-size:10.5px;letter-spacing:.14em;margin-top:10px}
.foot-meta dd{margin:2px 0 0}
.foot-disclaimer{margin-top:18px;padding-top:14px;border-top:1px solid rgba(201,162,39,.14);
  font-size:11.5px;line-height:1.75;color:rgba(249,246,238,.5)}
.copyright{margin-top:14px;font-size:11.5px;color:rgba(249,246,238,.42)}

/* ---------- 底部固定 CTA ---------- */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:45;max-width:var(--wrap);margin:0 auto;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,30,20,.94);backdrop-filter:blur(10px);border-top:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
  transform:translateY(110%);transition:transform .28s ease;
}
.dock.show{transform:translateY(0)}
.dock .txt{flex:1;min-width:0}
.dock .txt b{display:block;font-size:13.5px;color:#fff;font-weight:500}
.dock .txt span{font-size:11px;color:rgba(249,246,238,.55)}
.dock .btn{width:auto;flex:0 0 auto;padding:12px 20px;font-size:14px}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;z-index:60;display:none;align-items:flex-end;justify-content:center;
  background:rgba(4,18,12,.72);padding:0}
.modal.open{display:flex}
.modal-box{width:100%;max-width:var(--wrap);background:var(--rice);border-radius:var(--radius-lg) var(--radius-lg) 0 0;
  padding:24px 22px calc(24px + env(safe-area-inset-bottom));animation:up .26s ease;
  max-height:94vh;overflow-y:auto;-webkit-overflow-scrolling:touch}
@keyframes up{from{transform:translateY(24px);opacity:.4}to{transform:translateY(0);opacity:1}}
@media (prefers-reduced-motion:reduce){.modal-box{animation:none}.dock{transition:none}}
.modal-box h3{font-size:18px;color:var(--g800);text-align:center}
.modal-box .desc{text-align:center;font-size:13px;color:var(--ink-2);margin-top:6px}
.qr-wrap{width:190px;margin:20px auto 10px;padding:10px;background:#fff;border:1px solid var(--rice-3);border-radius:12px}
.qr-wrap img{width:100%;border-radius:6px}
.qr-wrap .ph{width:100%;aspect-ratio:1;display:grid;place-items:center;background:var(--rice-2);
  border-radius:6px;font-size:11px;color:var(--ink-3);text-align:center;line-height:1.6;padding:12px}
.qr-hint{text-align:center;font-size:12px;color:var(--ink-3)}
.modal-alt{display:grid;gap:10px;margin-top:18px}
.modal-alt a{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px;
  border-radius:var(--radius);border:1px solid var(--rice-3);background:#fff;font-size:14px;color:var(--g700)}
.modal-alt a svg{width:17px;height:17px}
.modal-alt a:active{background:var(--rice-2)}
.modal-close{margin-top:14px;text-align:center;font-size:13px;color:var(--ink-3);padding:8px}
.legal-strip{margin-top:14px;font-size:11px;color:var(--ink-3);text-align:center;line-height:1.7}
.legal-strip a{color:var(--gold-d);border-bottom:1px solid var(--line)}

/* ---------- 表单（填手机号 → 跳企微获客助手） ---------- */
.pane{display:block}
.pane[hidden]{display:none}
.field{margin-top:18px}
.field > label{display:block;font-size:12px;color:var(--gold-d);letter-spacing:.12em;margin-bottom:7px}
.phone-row{display:flex;gap:8px}
.phone-row select{
  flex:0 0 96px;padding:13px 26px 13px 8px;border-radius:var(--radius);
  border:1px solid var(--rice-3);background-color:#fff;font-size:14px;color:var(--ink);
  appearance:none;-webkit-appearance:none;text-align:center;text-align-last:center;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23888780' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;
}
.phone-row input{
  flex:1;min-width:0;padding:13px 14px;border-radius:var(--radius);
  border:1px solid var(--rice-3);background:#fff;font-size:16px;color:var(--ink);
}
.phone-row input:focus,.phone-row select:focus{outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(201,162,39,.16)}
.field-err{margin-top:7px;font-size:12px;color:#A32D2D}
.consent-line{display:flex;gap:9px;align-items:flex-start;margin:16px 0 4px;cursor:pointer}
.consent-line input{flex:0 0 auto;width:16px;height:16px;margin:2px 0 0;accent-color:var(--gold-d);cursor:pointer}
.consent-line > span{font-size:12px;line-height:1.65;color:var(--ink-2)}
.consent-line a{color:var(--gold-d);border-bottom:1px solid var(--line)}
#leadForm .btn{margin-top:18px}
#leadForm .btn[disabled]{opacity:.6}
.form-note{margin-top:14px;font-size:12px;color:var(--ink-3);text-align:center}
.copy-row{margin-top:12px;text-align:center}
.copy-row .chip{border:1px solid var(--rice-3);background:#fff;color:var(--g700);
  display:inline-flex;padding:10px 18px;border-radius:999px;font-size:13px}
#jumpFallback .qr-wrap{margin-top:18px}
#jumpBtn{margin-top:22px}

/* ---------- Cookie 同意条 ---------- */
.consent{
  position:fixed;left:0;right:0;bottom:0;z-index:70;max-width:var(--wrap);margin:0 auto;
  background:rgba(6,30,20,.97);color:rgba(249,246,238,.82);padding:16px 18px calc(16px + env(safe-area-inset-bottom));
  display:none;gap:12px;align-items:center;border-top:1px solid var(--line);
}
.consent.show{display:flex}
.consent p{flex:1;font-size:12.5px;line-height:1.65}
.consent .row{display:flex;gap:8px;flex:0 0 auto}
.consent button{padding:9px 15px;border-radius:999px;font-size:12.5px;white-space:nowrap}
.consent .yes{background:var(--gold);color:var(--g950);font-weight:600}
.consent .no{border:1px solid var(--line);color:rgba(249,246,238,.75)}

/* ---------- 滚动进入 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- 法务页 / 联系页 ---------- */
.doc{max-width:var(--wrap);margin:0 auto;background:var(--rice);min-height:100vh}
.doc-head{padding:20px 22px 26px;background:var(--g900);color:var(--rice)}
.doc-back{display:inline-block;font-size:12.5px;color:var(--gold-l);margin-bottom:16px;
  border-bottom:1px solid var(--line)}
.doc-head h1{font-size:22px;color:#fff}
.doc-head .upd{margin-top:8px;font-size:12px;color:rgba(249,246,238,.58)}
.doc-body{padding:26px 22px 44px}
.doc-body h2{font-size:15.5px;color:var(--g700);margin:26px 0 8px}
.doc-body h2:first-of-type{margin-top:0}
.doc-body p,.doc-body li{font-size:13.5px;color:var(--ink-2);line-height:1.8}
.doc-body ul{padding-left:19px;margin:8px 0}
.doc-body li{margin-bottom:5px}
.doc-body table{width:100%;border-collapse:collapse;margin:12px 0;font-size:12.5px}
.doc-body th,.doc-body td{border:1px solid var(--rice-3);padding:9px 10px;text-align:left;
  color:var(--ink-2);vertical-align:top}
.doc-body th{background:var(--rice-2);color:var(--g700);font-weight:500}
.doc-body blockquote{margin:14px 0;padding:12px 14px;background:var(--rice-2);
  border-left:3px solid var(--gold);font-size:12.5px;color:var(--ink-2);line-height:1.8}
.doc-body a{color:var(--gold-d);border-bottom:1px solid var(--line)}
.contact-card{background:#fff;border:1px solid var(--rice-3);border-radius:var(--radius);
  padding:18px;margin-bottom:12px}
.contact-card dt{font-size:10.5px;letter-spacing:.14em;color:var(--gold-d);margin-top:12px}
.contact-card dt:first-child{margin-top:0}
.contact-card dd{margin:3px 0 0;font-size:14px;color:var(--ink);word-break:break-word}
.contact-actions{display:grid;gap:10px;margin-top:20px}
.contact-actions a{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px;
  border-radius:var(--radius);background:var(--g800);color:var(--rice);font-size:14px}
.contact-actions a.sec{background:#fff;border:1px solid var(--rice-3);color:var(--g700)}
.contact-actions svg{width:17px;height:17px;flex:0 0 17px}

@media (min-width:520px){
  body{background:var(--g950)}
  .page,.doc{margin:0 auto;min-height:100vh}
  .hero h1{font-size:32px}
}