:root{
  --gushan-green:#0f6e56;
  --gushan-green-d:#0a5240;
  --warm:#e8a04b;
  --ink:#2b2b2b;
  --ink-2:#6b6b6b;
  --bg:#ffffff;
  --bg-soft:#f7f8f7;
  --line:#e3e7e5;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-soft);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--gushan-green-d);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--gushan-green)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3{line-height:1.35;font-weight:700;letter-spacing:0}
h1{font-size:clamp(28px,4vw,44px);margin:0 0 12px}
h2{font-size:clamp(22px,3vw,30px);margin:0 0 14px}
h3{font-size:20px;margin:0 0 8px}
p{margin:0 0 14px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px}
.skip:focus{left:8px;z-index:20}
.site-header{
  position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);
  border-bottom:3px solid var(--gushan-green);backdrop-filter:blur(8px);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;font-size:18px;flex:0 0 auto}
.brand span{white-space:nowrap}
.brand img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.menu-btn{
  display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;min-height:44px;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.nav-links>a,.drop>a{color:var(--ink);text-decoration:none;font-weight:600}
.nav-links a.on,.drop>a.on{color:var(--gushan-green)}
.drop{position:relative}
.drop-menu{
  display:none;position:absolute;top:100%;left:0;min-width:180px;background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:0 10px 30px rgba(15,110,86,.08);
}
.drop-menu a{display:block;padding:8px 10px;text-decoration:none;color:var(--ink);border-radius:8px}
.drop-menu a:hover{background:var(--bg-soft)}
.drop:hover .drop-menu,.drop:focus-within .drop-menu{display:block}
.lang-switch{display:flex;gap:6px;align-items:center;margin-left:6px}
.lang-switch a{text-decoration:none;color:var(--ink-2)}
.lang-switch a.on{color:var(--gushan-green);font-weight:700}
.hero,.page-hero,.about{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;padding:48px 0 20px}
.hero-img,.page-hero img,.about .portrait{border-radius:22px;width:100%}
.portrait{max-width:280px;justify-self:end;border-radius:22px}
.eyebrow{color:var(--warm);font-weight:700;margin-bottom:8px}
.lede{font-size:18px;color:var(--ink-2)}
.tagline{font-size:18px}
.trust-line{margin-top:14px;color:var(--ink-2);font-size:15px;letter-spacing:.02em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:48px;
  padding:10px 18px;border-radius:999px;background:var(--gushan-green);color:#fff;
  text-decoration:none;border:0;font-weight:700;cursor:pointer;
}
.btn:hover{background:var(--gushan-green-d);color:#fff}
.btn-ghost{background:#fff;color:var(--gushan-green);border:1px solid var(--gushan-green)}
.btn-ghost:hover{background:var(--bg-soft);color:var(--gushan-green-d)}
.btn-warm{background:var(--warm);color:#2b2b2b}
.btn-warm:hover{filter:brightness(.96);color:#2b2b2b}
.btn-ghost.light{background:transparent;color:#fff;border-color:#fff}
.cards-2,.cards-3{display:grid;gap:16px;padding-bottom:10px}
.cards-2{grid-template-columns:1fr 1fr}
.cards-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}
.product-card img{border-radius:14px;margin:-6px -6px 12px;height:180px;width:calc(100% + 12px);object-fit:cover}
.kicker{color:var(--gushan-green);font-weight:700;margin-bottom:4px}
.text-link{font-weight:700;text-decoration:none}
.advantages{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:10px 0 36px}
.advantages article{background:#fff;border-radius:18px;padding:18px;border:1px solid var(--line)}
.advantages span{
  display:inline-flex;width:36px;height:36px;border-radius:50%;align-items:center;justify-content:center;
  background:#fff4e5;color:#8a5a16;font-weight:700;margin-bottom:8px;
}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.link-card{color:inherit;text-decoration:none;display:block}
.link-card:hover{border-color:var(--gushan-green)}
.pill{display:inline-block;background:#e7f5f0;color:var(--gushan-green-d);border-radius:999px;padding:2px 10px;font-size:16px;text-decoration:none}
.pill.on{background:var(--gushan-green);color:#fff}
.cta-band{background:var(--gushan-green);color:#fff;padding:36px 0;margin-top:20px}
.cta-band h2{color:#fff}
.page-intro{padding:36px 0 10px}
.answer-first{font-size:18px;background:#fff;border-left:4px solid var(--gushan-green);padding:12px 14px}
.not-this{color:var(--ink-2)}
.promise{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;margin:10px auto 24px}
.promise img{border-radius:16px}
.note{background:#fff8ee;border:1px solid #f0ddc0;border-radius:12px;padding:12px 14px}
.shots,.placeholders{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.shots-app{grid-template-columns:1fr}
.shots figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px}
.shots img{width:100%;height:auto;display:block;border-radius:10px}
.shots figcaption{color:var(--ink-2);padding-top:8px}
.placeholder{
  min-height:180px;border:1.5px dashed var(--gushan-green);border-radius:16px;
  display:flex;align-items:center;justify-content:center;background:#fff;color:var(--gushan-green-d);font-weight:700;
}
.lines{display:grid;gap:12px}
.lines article{background:#fff;border-radius:16px;padding:14px 16px;border:1px solid var(--line)}
.faqs details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:8px}
.faqs summary{cursor:pointer;font-weight:700}
.narrow{max-width:760px}
.verdict{background:#e7f5f0;border-radius:14px;padding:12px 14px;font-weight:600}
.table-scroll{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:16px}
table{border-collapse:collapse;width:100%;min-width:760px}
table.facts{min-width:0}
th,td{border-bottom:1px solid var(--line);text-align:left;padding:10px 12px;vertical-align:top}
th{background:#f3faf7}
.glossary-toc ul{display:flex;flex-wrap:wrap;gap:8px 14px;padding-left:0;list-style:none;margin:12px 0 20px}
.glossary-toc a{color:var(--gushan-green-d);font-weight:600}
.glossary-term{scroll-margin-top:88px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px}
.glossary-term h2{margin-top:0}
.guide-flow{background:#f3faf7;border:1px solid var(--line);border-radius:12px;padding:12px 14px;overflow-x:auto;white-space:pre-wrap;font-size:14px;line-height:1.55}
.guide-block details{margin:8px 0;background:#f8fbf9;border-radius:10px;padding:8px 12px;border:1px solid var(--line)}
.guide-block summary{cursor:pointer;font-weight:700}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 14px}
.search{display:flex;gap:8px;margin:8px 0 16px}
.search input,.admin-form input,.admin-form textarea,.admin-form select,.filters input{
  width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff;min-height:48px;
}
.stack{display:grid;gap:12px}
.story h2{font-size:22px}
.empty{padding:24px 0 48px;color:var(--ink-2)}
.pager{display:flex;gap:14px;align-items:center}
.article{padding-top:28px}
.byline{color:var(--ink-2)}
.prose{background:#fff;border-radius:18px;padding:8px 18px 18px;border:1px solid var(--line)}
.prose img{border-radius:12px}
.pager-articles{display:grid;gap:8px;margin-top:18px}
.download-card code{word-break:break-all}
.steps{padding-left:22px}
.steps li{margin:8px 0}
.prompts{list-style:none;padding:0;display:grid;gap:8px}
.prompt{
  width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;cursor:pointer;font-size:13px;color:var(--ink);transition:border-color .15s,background .15s,transform .15s;
}
.prompt:hover{border-color:var(--gushan-green);background:#f2faf6;transform:translateY(-1px)}
.prompts{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.prompts li{margin:0;flex:1 1 220px}
.assistant-shell{
  background:linear-gradient(165deg,#f7fbf9 0%,#ffffff 42%,#f4f7f5 100%);
  border:1px solid var(--line);border-radius:24px;padding:18px;margin-top:8px;
  box-shadow:0 18px 40px rgba(15,110,86,.06);
}
.chat-inline{
  background:rgba(255,255,255,.88);border:1px solid rgba(227,231,229,.9);border-radius:22px;
  padding:14px;margin-top:4px;backdrop-filter:blur(10px);
}
.chat-log{
  min-height:220px;max-height:420px;overflow:auto;display:flex;flex-direction:column;gap:10px;
  margin-bottom:12px;padding:4px 2px 8px;scroll-behavior:smooth;
}
.bubble{
  padding:10px 12px;border-radius:16px;max-width:92%;font-size:13px;line-height:1.65;
  animation:chat-in .22s ease-out;
}
@keyframes chat-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.bubble.user{
  align-self:flex-end;background:linear-gradient(135deg,var(--gushan-green),var(--gushan-green-d));
  color:#fff;border-bottom-right-radius:6px;box-shadow:0 8px 18px rgba(15,110,86,.18);
}
.bubble.bot{
  align-self:flex-start;background:#fff;border:1px solid var(--line);
  border-bottom-left-radius:6px;color:var(--ink);box-shadow:0 6px 16px rgba(27,39,64,.04);
}
.chat-rich{display:grid;gap:10px}
.chat-p{margin:0;font-size:13.5px;line-height:1.75;color:var(--ink);word-break:break-word}
.chat-em{font-style:normal;color:var(--gushan-green-d);font-weight:600}
.chat-arrow{
  display:inline-flex;align-items:center;justify-content:center;margin:0 4px;color:var(--gushan-green);
  font-weight:700;opacity:.85;
}
.chat-steps{
  margin:0;padding:10px 12px 10px 28px;border-radius:14px;background:linear-gradient(180deg,#f4faf7,#eef7f3);
  border:1px solid #d5ebe2;display:grid;gap:8px;
}
.chat-steps li{margin:0;padding:0;font-size:13px;line-height:1.65;color:var(--ink)}
.chat-link,.chat-more{
  display:inline-flex;align-items:center;gap:6px;margin:6px 4px 2px 0;padding:7px 12px;
  border-radius:999px;background:#eef7f3;color:var(--gushan-green-d);text-decoration:none;
  font-size:12.5px;font-weight:650;border:1px solid #d5ebe2;line-height:1.3;max-width:100%;
  transition:background .15s,border-color .15s,transform .15s;cursor:pointer;
  pointer-events:auto;position:relative;z-index:1;
}
.chat-link:hover,.chat-more:hover{
  background:#dff1e9;border-color:var(--gushan-green);color:var(--gushan-green);transform:translateY(-1px);
}
.chat-more{
  display:flex;width:fit-content;max-width:100%;
  background:linear-gradient(120deg,#e7f5ef,#f7fbf9);box-shadow:0 4px 12px rgba(15,110,86,.08);
}
.chat-more span{opacity:.7;font-weight:500}
.chat-more strong{font-weight:700}
.bubble.bot{max-width:96%}
.bubble.bot a{word-break:break-word;color:var(--gushan-green-d)}
.bubble.bot a:focus-visible{outline:2px solid var(--gushan-green);outline-offset:2px}
.bubble.typing{
  display:inline-flex;gap:5px;align-items:center;min-width:52px;padding:12px 14px;
}
.bubble.typing span{
  width:6px;height:6px;border-radius:50%;background:#9bb5ab;opacity:.55;
  animation:chat-dot 1s infinite ease-in-out;
}
.bubble.typing span:nth-child(2){animation-delay:.15s}
.bubble.typing span:nth-child(3){animation-delay:.3s}
@keyframes chat-dot{0%,80%,100%{transform:translateY(0);opacity:.35}40%{transform:translateY(-3px);opacity:1}}
.chat-form{display:flex;gap:8px;align-items:center}
.chat-form input{
  flex:1;border:1px solid var(--line);border-radius:999px;padding:10px 14px;min-height:44px;
  background:#fbfcfb;font-size:13px;outline:none;transition:border-color .15s,box-shadow .15s;
}
.chat-form input:focus{border-color:var(--gushan-green);box-shadow:0 0 0 3px rgba(15,110,86,.12);background:#fff}
.chat-form button,.chat-form .btn{
  border:0;border-radius:999px;padding:10px 16px;min-height:44px;background:var(--gushan-green);
  color:#fff;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap;
}
.chat-form button:disabled{opacity:.55;cursor:wait}
.chat-dock{position:fixed;right:18px;bottom:18px;z-index:40}
.chat-open{
  width:60px;height:60px;border-radius:50%;border:0;padding:0;background:#fff;
  box-shadow:0 10px 28px rgba(15,110,86,.22);cursor:pointer;overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.chat-open:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 14px 32px rgba(15,110,86,.28)}
.chat-open img{width:60px;height:60px;border-radius:50%;object-fit:cover}
.chat-panel{
  position:absolute;right:0;bottom:72px;width:min(380px,calc(100vw - 24px));
  background:linear-gradient(180deg,#ffffff 0%,#f7faf8 100%);
  border:1px solid var(--line);border-radius:22px;box-shadow:0 22px 50px rgba(27,39,64,.16);
  padding:0;overflow:hidden;
}
.chat-panel header{
  display:flex;justify-content:space-between;align-items:center;gap:8px;
  padding:12px 14px;background:linear-gradient(120deg,#0f6e56,#147a60 55%,#1a8a6c);
  color:#fff;
}
.chat-panel header strong{font-size:14px;letter-spacing:.02em}
.chat-panel .chat-log{padding:12px 12px 4px;min-height:240px;max-height:360px;margin-bottom:0}
.chat-panel .chat-form{padding:10px 12px 12px;border-top:1px solid var(--line);background:rgba(255,255,255,.92)}
.chat-close{
  border:0;background:rgba(255,255,255,.14);color:#fff;font-size:20px;cursor:pointer;
  min-width:36px;min-height:36px;border-radius:50%;line-height:1;
}
.chat-close:hover{background:rgba(255,255,255,.24)}
.adp-frame{width:100%;min-height:480px;border:1px solid var(--line);border-radius:16px}
.qr-card{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;margin:8px 0 36px}
.qr-card figure{margin:0}
.qr-card img{width:min(100%,360px);margin:0 auto;border-radius:16px}
.crumbs{max-width:1080px;margin:0 auto;padding:16px 20px 0;color:var(--ink-2);font-size:15px}
.crumbs a{color:var(--gushan-green-d);text-decoration:none;font-weight:700}
.guide{padding-top:28px}
.guide-toc{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 18px}
.guide-toc a{text-decoration:none;background:#e7f5f0;color:var(--gushan-green-d);border-radius:999px;padding:4px 12px}
.guide-block{margin:16px 0}
.guide-block h2{margin-top:8px}
.guide-block figure{margin:14px 0}
.guide-block img{width:100%;border:1px solid var(--line);border-radius:12px;background:#111}
.guide-block figcaption{color:var(--ink-2);font-size:15px;margin-top:8px}
.lang-suggest{position:fixed;left:16px;right:16px;bottom:88px;z-index:40;max-width:420px;margin:0 auto;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 30px rgba(27,39,64,.12)}
.lang-suggest p{margin:0 0 10px;color:var(--ink);font-size:15px}
.lang-suggest-actions{display:flex;gap:10px;flex-wrap:wrap;margin:0}
.guide-block .note,.guide-block .warn{margin:12px 0}
.guide-block .warn{background:#fff1f0;border:1px solid #f0c2bc;border-radius:12px;padding:12px 14px}
.guide-block table{min-width:0;background:#fff}
.guide-block th,.guide-block td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.guide-block th{background:#f6f1e6}
.about blockquote{margin:0 0 16px;padding:12px 14px;background:#fff;border-left:4px solid var(--warm);border-radius:8px}
.years{font-weight:700;color:var(--gushan-green-d)}
.site-footer{padding:28px 0 40px;text-align:center;color:var(--ink-2);background:#fff;border-top:1px solid var(--line);margin-top:28px}
.site-footer a{color:var(--ink-2)}
.footer-nav,.footer-links{margin-top:6px}
.footer-links .beian-gongan{display:inline-flex;align-items:center;gap:4px;vertical-align:middle}
.footer-links .beian-gongan img{display:inline-block;width:16px;height:16px}
.friend-links{
  margin:10px auto 0;max-width:920px;font-size:13px;line-height:1.8;color:var(--ink-2);
}
.friend-links a{
  color:var(--ink-2);text-decoration:none;margin-right:10px;white-space:nowrap;
}
.friend-links a:hover{color:var(--gushan-green);text-decoration:underline}
.admin-form .check-row{display:flex;align-items:center;gap:8px;margin:8px 0}
.admin-form .check-row input{width:auto}
.admin-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.admin-tabs a{text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;color:var(--ink)}
.admin-tabs a.on{background:var(--gushan-green);color:#fff;border-color:var(--gushan-green)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat-grid strong{display:block;font-size:28px}
.admin-form{display:grid;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:16px}
.admin-form label{display:grid;gap:4px;font-weight:600}
.chart svg{width:100%;height:auto;background:#fff;border-radius:12px}
.bar-row{display:grid;grid-template-columns:160px 1fr 48px;gap:8px;align-items:center;margin:6px 0}
.bar-row i{display:block;height:12px;background:var(--gushan-green);border-radius:99px}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.actions form{margin:0}
.actions button{background:transparent;border:0;color:var(--gushan-green-d);cursor:pointer;padding:0}
:focus-visible{outline:2px solid var(--gushan-green);outline-offset:2px}
@media (max-width:800px){
  .menu-btn{display:inline-flex}
  .hero-actions{flex-direction:column;align-items:stretch;padding-right:76px}
  .cta-band .wrap{padding-right:84px}
  .chat-dock{right:12px;bottom:12px}
  .nav-links{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px 16px;flex-direction:column;align-items:flex-start}
  .nav-links.open{display:flex}
  .drop-menu{position:static;display:block;box-shadow:none;border:0;padding:0 0 0 10px}
  .hero,.page-hero,.about,.promise,.cards-2,.cards-3,.advantages,.shots,.placeholders,.stat-grid,.qr-card{grid-template-columns:1fr}
  .portrait{justify-self:start;max-width:220px}
  .bar-row{grid-template-columns:1fr}
}
@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto;transition:none}
}

.guide-figure{margin:14px 0 4px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px}
.guide-figure img{width:100%;height:auto;display:block;border-radius:10px}
.guide-figure figcaption{color:var(--ink-2);padding-top:8px}