:root{
  --paper:#FAF5EB; --paper-deep:#F3EAD9; --card:#FFFDF7;
  --ink:#22304A; --ink-soft:#5A5344; --ink-faint:#8A7E6A;
  --line:#E2D5BC; --line-strong:#D8C7A6;
  --amber:#E8862E; --amber-deep:#C96A12; --amber-bg:#FFF9EF;
  --blue:#3A6EA5; --blue-deep:#2C5480; --blue-bg:#F2F7FD;
  --teal:#0F766E; --teal-deep:#0B5D57; --teal-bg:#EEF7F4;
  --violet:#7C5CBF; --violet-deep:#6B5E86; --violet-bg:#F7F4FB;
  --red:#C4553B; --bronze:#8A6D3B;
  --serif: Georgia, "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
  --shadow: 0 2px 6px rgba(84,66,38,.06), 0 14px 34px rgba(84,66,38,.08);
  --radius: 14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans); color:var(--ink); background:var(--paper);
  background-image:radial-gradient(rgba(140,115,70,.05) 1px, transparent 1px);
  background-size:26px 26px; line-height:1.7; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(250,245,235,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.site-nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.site-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:18px;letter-spacing:1px}
.site-brand svg{display:block}
.site-nav-links{display:flex;gap:22px;font-size:14px;color:var(--ink-soft);align-items:center}
.site-nav-links a{padding:6px 2px;border-bottom:2px solid transparent;transition:border-color .2s}
.site-nav-links a:hover, .site-nav-links a.active{border-bottom-color:var(--amber);color:var(--ink)}
.site-nav-links .nav-cta{
  background:var(--ink);color:#F7EFDF;font-size:13.5px;padding:9px 18px;border-radius:999px;
  transition:transform .2s, box-shadow .2s;
}
.site-nav-links .nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(34,48,74,.25);border-bottom-color:transparent}
.site-mobile-toggle{display:none;background:none;border:none;font-size:22px;color:var(--ink);cursor:pointer;padding:6px}

/* ===== Hero ===== */
.site-hero{padding:72px 0 48px}
.site-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.site-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-faint);letter-spacing:2px;margin-bottom:22px}
.site-eyebrow::before{content:"";width:34px;height:1.5px;background:var(--amber)}
.site-h1{font-family:var(--serif);font-weight:700;font-size:clamp(34px,4.6vw,52px);line-height:1.32;letter-spacing:1px;margin-bottom:22px}
.site-h1 .b-amber{color:var(--amber-deep)}
.site-h1 .b-teal{color:var(--teal-deep)}
.site-h1 .b-blue{color:var(--blue-deep)}
.site-h1 .b-violet{color:var(--violet-deep)}
.site-sub{font-size:16.5px;color:var(--ink-soft);margin-bottom:30px;max-width:560px}
.site-sub b{color:var(--ink)}
.site-cta-row{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;padding:14px 26px;border-radius:12px;transition:transform .2s, box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--teal);color:#F4FBF9;box-shadow:0 10px 24px rgba(15,118,110,.28)}
.btn-primary:hover{box-shadow:0 14px 30px rgba(15,118,110,.36)}
.btn-outline{border:1.8px solid var(--amber);color:var(--amber-deep);background:rgba(255,249,239,.7)}
.btn-outline:hover{background:var(--amber-bg)}
.btn-simple{font-size:13px;color:var(--amber-deep);border-bottom:1.5px dashed var(--amber);padding-bottom:2px}
.btn-simple:hover{color:var(--ink);border-bottom-color:var(--ink)}
.site-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.site-chip{font-size:12.5px;color:var(--ink-faint);border:1px solid var(--line-strong);background:rgba(255,253,247,.75);border-radius:999px;padding:5px 14px}
.site-hero-art img{width:100%;height:auto;display:block;border-radius:var(--radius);box-shadow:var(--shadow)}

/* ===== Sections ===== */
.site-sec{padding:76px 0}
.site-sec-head{margin-bottom:42px}
.site-sec-no{font-family:var(--serif);font-size:14px;color:var(--amber-deep);letter-spacing:4px;display:flex;align-items:center;gap:12px;margin-bottom:10px}
.site-sec-no::after{content:"";flex:0 0 46px;height:1.5px;background:var(--line-strong)}
.site-h2{font-family:var(--serif);font-size:clamp(26px,3.2vw,36px);font-weight:700;letter-spacing:1px}
.site-sec-desc{color:var(--ink-soft);margin-top:12px;font-size:15.5px;max-width:640px}

/* ===== Cards / Grids ===== */
.site-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.site-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.site-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.site-card{
  background:var(--card);border:1.5px solid var(--line);border-radius:18px;padding:28px 24px;
  position:relative;overflow:hidden;transition:transform .25s, box-shadow .25s;
}
.site-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.site-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--c,var(--amber))}
.site-card h3{font-size:17.5px;margin-bottom:12px}
.site-card p{font-size:13.8px;color:var(--ink-soft)}
.site-card p b{color:var(--ink)}
.site-card-tag{display:inline-block;margin-top:16px;font-size:11.5px;color:var(--c,var(--amber-deep));border:1px dashed var(--c,var(--amber));border-radius:999px;padding:3px 12px;letter-spacing:1px}

/* ===== Stage Cards ===== */
.site-stage{background:var(--card);border:1.5px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column}
.site-stage-head{padding:18px 24px;border-bottom:1px dashed var(--line-strong);display:flex;align-items:center;justify-content:space-between}
.site-stage-head h3{font-family:var(--serif);font-size:20px}
.site-stage-head .yr{font-size:12px;color:var(--ink-faint)}
.site-stage-lane{padding:18px 24px;border-bottom:1px dashed var(--line)}
.site-stage-lane:last-of-type{border-bottom:none}
.site-lane-k{font-size:11.5px;letter-spacing:2px;color:var(--ink-faint);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.site-lane-k i{width:10px;height:10px;border-radius:3px;display:inline-block;background:var(--c,var(--amber))}
.site-prod b{font-size:15.5px;white-space:nowrap}
.site-prod span{font-size:13px;color:var(--ink-soft);margin-left:8px}
.site-stage-lane .price{font-size:12.5px;font-weight:700;margin-top:6px;color:var(--c,var(--amber-deep))}
.site-stage-lane .go{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:600;color:var(--c,var(--amber-deep));border-bottom:1.5px solid var(--c,var(--amber));padding-bottom:1px}
.site-stage-foot{padding:14px 24px 20px;font-size:12.5px;color:var(--bronze);background:linear-gradient(180deg,transparent,#FBF4E6aa);margin-top:auto}

/* ===== Map ===== */
.site-map-wrap{background:var(--card);border:1.5px solid var(--line-strong);border-radius:20px;padding:18px;box-shadow:var(--shadow)}
.site-map-wrap img{width:100%;height:auto;display:block;border-radius:12px}
.site-map-note{font-size:12px;color:var(--ink-faint);margin-top:12px;text-align:center}

/* ===== Products ===== */
.site-prod-hero{padding:56px 0 24px}
.site-prod-hero .badge{
  display:inline-block;background:var(--c,var(--amber-bg));color:var(--c,var(--amber-deep));
  border:1.5px solid var(--c,var(--amber));border-radius:999px;padding:5px 14px;font-size:12px;font-weight:700;letter-spacing:2px;margin-bottom:20px;
}
.site-prod-hero h1{font-family:var(--serif);font-size:clamp(30px,4.2vw,48px);font-weight:700;margin-bottom:14px}
.site-prod-hero .prod-tagline{font-size:18px;color:var(--ink-soft);max-width:640px}
.site-prod-hero .prod-price{display:inline-block;margin-top:22px;background:var(--c,var(--amber-bg));border:1.5px dashed var(--c,var(--amber));border-radius:12px;padding:10px 20px;font-weight:700;color:var(--c,var(--amber-deep))}

.site-prod-section{padding:64px 0}
.site-fact-list{list-style:none;counter-reset:fact}
.site-fact-list li{counter-increment:fact;position:relative;padding:16px 0 16px 54px;border-bottom:1px dashed var(--line-strong);font-size:14.5px;color:var(--ink-soft)}
.site-fact-list li:last-child{border-bottom:none}
.site-fact-list li::before{content:counter(fact,decimal-leading-zero);position:absolute;left:2px;top:16px;font-family:var(--serif);font-size:26px;font-weight:700;color:var(--c,var(--amber-deep))}
.site-fact-list b{color:var(--ink)}

.site-prod-table{width:100%;border-collapse:collapse;background:var(--card);border:1.5px solid var(--line);border-radius:14px;overflow:hidden;margin-top:14px}
.site-prod-table th{text-align:left;padding:14px 18px;font-size:13px;letter-spacing:2px;color:var(--ink-faint);font-weight:600;border-bottom:1px solid var(--line);background:var(--paper-deep)}
.site-prod-table td{padding:14px 18px;font-size:14px;color:var(--ink-soft);border-bottom:1px dashed var(--line)}
.site-prod-table tr:last-child td{border-bottom:none}
.site-prod-table td b{color:var(--ink)}
.site-prod-table .c{color:var(--c,var(--amber-deep));font-weight:700}

/* ===== Parents Band ===== */
.site-parents-band{background:var(--paper-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.site-parents-grid{display:grid;grid-template-columns:1fr .92fr;gap:52px;align-items:center}
.site-parent-list{list-style:none}
.site-parent-list li{display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed var(--line-strong)}
.site-parent-list li:last-child{border-bottom:none}
.site-parent-list .dot{flex:0 0 34px;height:34px;border-radius:50%;background:var(--card);border:1.5px solid var(--bronze);display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--bronze);margin-top:2px}
.site-parent-list b{font-size:15.5px;display:block;margin-bottom:2px}
.site-parent-list p{font-size:13.2px;color:var(--ink-soft)}
.site-report{background:var(--card);border:1.5px solid var(--line-strong);border-radius:18px;padding:30px 30px 24px;box-shadow:var(--shadow);position:relative;transform:rotate(-.6deg)}
.site-report::before{content:"示例";position:absolute;top:-12px;right:22px;background:var(--red);color:#FBF1EC;font-size:11.5px;letter-spacing:3px;padding:3px 12px 3px 15px;border-radius:4px;transform:rotate(2deg)}
.site-report h4{font-family:var(--serif);font-size:18px;margin-bottom:4px}
.site-report .rp-sub{font-size:12px;color:var(--ink-faint);margin-bottom:16px}
.site-report ul{list-style:none}
.site-report li{font-size:13.8px;color:var(--ink-soft);padding:9px 0 9px 26px;position:relative;border-bottom:1px dashed var(--line)}
.site-report li:last-of-type{border-bottom:none}
.site-report li::before{content:"★";position:absolute;left:2px;color:var(--amber);font-size:12px}
.site-report li b{color:var(--ink)}
.site-report .rp-foot{margin-top:14px;font-size:12.3px;color:var(--bronze);background:#FBF4E6;border-radius:10px;padding:10px 14px}

/* ===== CTA End ===== */
.site-final{background:var(--ink);color:#F3ECDD;position:relative;overflow:hidden}
.site-final::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(243,236,221,.07) 1px,transparent 1px);background-size:26px 26px}
.site-final .wrap{position:relative}
.site-final h2{color:#F7EFDF;margin-bottom:10px}
.site-final .site-sec-desc{color:#BDB29A}
.site-entries{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px}
.site-entry{background:rgba(247,239,223,.06);border:1px solid rgba(247,239,223,.18);border-radius:16px;padding:24px 22px;transition:background .25s, transform .25s;display:block}
.site-entry:hover{background:rgba(247,239,223,.12);transform:translateY(-4px)}
.site-entry .k{font-size:11.5px;letter-spacing:2px;color:#C9B98F;margin-bottom:8px}
.site-entry b{font-size:18px;display:block;margin-bottom:4px}
.site-entry p{font-size:12.8px;color:#CFC4AA;margin-bottom:12px}
.site-entry .dm{font-family:var(--serif);font-size:13px;color:#F0DFB4}
.site-final-btn{display:inline-flex;align-items:center;gap:10px;background:#F7EFDF;color:var(--ink);padding:14px 28px;border-radius:12px;font-size:15px;font-weight:700;margin-top:18px;transition:transform .2s}
.site-final-btn:hover{transform:translateY(-2px)}

/* ===== Footer ===== */
.site-footer{padding:42px 0 54px;border-top:1px solid var(--line);margin-top:0}
.site-footer-top{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;margin-bottom:28px}
.site-footer-col h4{font-size:13px;letter-spacing:2px;color:var(--ink-faint);margin-bottom:14px;font-weight:600}
.site-footer-col a{display:block;font-size:13.5px;color:var(--ink-soft);padding:4px 0}
.site-footer-col a:hover{color:var(--amber-deep)}
.site-footer-doms{font-size:13px;color:var(--ink-soft);margin-bottom:16px;line-height:1.9}
.site-footer-legal{font-size:12px;color:var(--ink-faint);line-height:1.9}
.site-footer-legal b{color:var(--ink-soft)}

/* ===== FAQ ===== */
.site-faq{max-width:820px;margin:0 auto}
.site-faq details{background:var(--card);border:1.5px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.site-faq summary{cursor:pointer;list-style:none;padding:18px 24px;font-size:15.5px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:16px}
.site-faq summary::-webkit-details-marker{display:none}
.site-faq summary::after{content:"+";font-family:var(--serif);font-size:22px;color:var(--amber-deep);transition:transform .25s}
.site-faq details[open] summary::after{transform:rotate(45deg)}
.site-faq details .a{padding:0 24px 20px;font-size:14px;color:var(--ink-soft)}
.site-faq details .a b{color:var(--ink)}

/* ===== Path Timeline ===== */
.site-path-row{display:flex;align-items:center;justify-content:space-between;margin:40px 0 22px;flex-wrap:wrap;gap:14px}
.site-path-row .milestone{display:flex;align-items:center;gap:8px;font-family:var(--serif);font-size:16px;font-weight:700}
.site-path-row .milestone .dot{width:12px;height:12px;border-radius:50%;background:var(--amber)}
.site-path-row .milestone .label{color:var(--ink)}

/* ===== Org ===== */
.site-org-hero{background:var(--violet-bg);border:2px dashed var(--violet);border-radius:20px;padding:44px}
.site-org-hero .org-k{font-size:12px;letter-spacing:3px;color:var(--violet-deep);margin-bottom:12px}
.site-org-hero h2{margin-bottom:12px}
.site-org-hero p{font-size:15px;color:var(--ink-soft);max-width:680px;margin-bottom:18px}
.site-org-flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:14px 0;font-size:13px;font-weight:600;color:var(--violet-deep)}
.site-org-flow span{background:var(--card);border:1px solid #D8CCF0;border-radius:999px;padding:6px 14px}
.site-org-flow i{font-style:normal;color:#B7A6DC;font-family:var(--serif)}
.site-org-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.site-org-stat{background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:22px;text-align:center}
.site-org-stat .big{font-family:var(--serif);font-size:38px;color:var(--violet);font-weight:700}
.site-org-stat small{font-size:14px;color:var(--violet-deep)}
.site-org-stat p{font-size:12.5px;color:var(--ink-soft);margin-top:4px}

/* ===== Anim ===== */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.rv.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}
@media (prefers-reduced-motion: reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ===== Responsive ===== */
@media (max-width: 980px){
  .site-hero-grid,.site-parents-grid{grid-template-columns:1fr;gap:36px}
  .site-hero-art{max-width:440px;margin:0 auto}
  .site-grid-2,.site-grid-3,.site-grid-4{grid-template-columns:repeat(2,1fr)}
  .site-stage{grid-template-columns:1fr}
  .site-entries{grid-template-columns:repeat(2,1fr)}
  .site-org-stats{grid-template-columns:1fr}
  .site-nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--paper);flex-direction:column;padding:18px 28px;border-bottom:1px solid var(--line);gap:14px;box-shadow:0 8px 24px rgba(0,0,0,.06)}
  .site-nav-links.open{display:flex}
  .site-mobile-toggle{display:block}
}
@media (max-width: 600px){
  .site-grid-2,.site-grid-3,.site-grid-4,.site-entries{grid-template-columns:1fr}
  .site-sec{padding:56px 0}
  .site-hero{padding:48px 0 36px}
  .site-cta-row .btn{width:100%;justify-content:center}
}