:root{
  --red:#fb5653;
  --red-d:#e63a37;
  --red-dd:#b82825;
  --ink:#1a1a1a;
  --ink-2:#2a2a2a;
  --muted:#6e6e6e;
  --paper:#fff4f3;
  --panel:#ffffff;
  --line:#f3d9d6;
  --soft:#ffe9e7;
  --gold:#fbbf24;
  --gold-d:#d97706;
  --shadow:0 24px 70px rgba(251,86,83,.14);
  --shadow-sm:0 8px 24px rgba(251,86,83,.1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{
  font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",-apple-system,sans-serif;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.14;
  z-index:20;
  background-image:
    linear-gradient(rgba(251,86,83,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(251,86,83,.08) 1px,transparent 1px),
    radial-gradient(circle at 12% 8%,rgba(251,191,36,.18),transparent 32%),
    radial-gradient(circle at 88% 92%,rgba(251,86,83,.14),transparent 36%);
  background-size:20px 20px,20px 20px,100% 100%,100% 100%;
}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
img{display:block;max-width:100%}
summary{list-style:none;cursor:pointer}
summary::-webkit-details-marker{display:none}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

/* ===== 1. 浮动圆角导航卡 ===== */
.gx-masthead{
  width:min(1240px,calc(100% - 40px));
  height:72px;
  margin:18px auto 0;
  padding:0 14px 0 16px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:28px;
  background:rgba(255,244,243,.92);
  border:1px solid rgba(26,26,26,.1);
  border-radius:18px;
  position:relative;
  z-index:30;
  box-shadow:0 8px 30px rgba(251,86,83,.08);
  backdrop-filter:blur(12px);
}
.gx-brandmark{display:flex;align-items:center;gap:11px;min-width:max-content}
.gx-brandmark img{width:44px;height:44px;border-radius:12px;image-rendering:pixelated}
.gx-brandmark span{display:grid;gap:2px}
.gx-brandmark strong{font-size:17px;font-weight:800}
.gx-brandmark small{font-size:8px;letter-spacing:1.4px;color:#b56b67}
.gx-nav{display:flex;align-items:center;justify-content:center;gap:26px;font-size:14px;color:#4a4a4a}
.gx-nav a{position:relative;padding:12px 0}
.gx-nav a::after{content:"";position:absolute;height:2px;left:0;right:100%;bottom:5px;background:var(--red);transition:right .25s ease}
.gx-nav a:hover::after{right:0}
.gx-header-action{padding:13px 18px;color:#fff;background:var(--ink);border-radius:11px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:7px;transition:background .2s,transform .2s}
.gx-header-action:hover{background:var(--red-d);transform:translateY(-1px)}
.gx-nav-toggle{display:none;font-size:24px;color:var(--ink);justify-self:end}

/* ===== 2. Hero 左右分栏 ===== */
.gx-hero{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  padding:60px 0 60px;
  display:grid;
  grid-template-columns:minmax(360px,.86fr) minmax(440px,1.14fr);
  align-items:center;
  gap:48px;
  position:relative;
}
.gx-hero::before{
  content:"HUANTAI / TOOLBOX / ColorOS";
  position:absolute;
  left:-42px;
  bottom:52px;
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font:700 10px/1 Arial,sans-serif;
  letter-spacing:2.4px;
  color:#d2a5a3;
}
.gx-kicker{display:flex;align-items:center;gap:10px;margin:0 0 19px;color:var(--red-d);font-size:12px;font-weight:800;letter-spacing:1.4px}
.gx-kicker span{width:27px;height:2px;background:currentColor}
.gx-hero h1{margin:0;font-size:clamp(46px,5vw,60px);line-height:1;letter-spacing:0;font-weight:900}
.gx-hero-subtitle{max-width:540px;margin:22px 0 15px;font-size:22px;font-weight:700;line-height:1.58;color:var(--ink-2)}
.gx-hero-intro{max-width:540px;margin:0;color:var(--muted);font-size:15px;line-height:1.85}
.gx-hero-actions{display:flex;align-items:center;gap:24px;margin-top:29px;flex-wrap:wrap}
.gx-solid-action{display:inline-flex;align-items:center;gap:9px;padding:16px 22px;color:#fff;background:var(--red);border:1px solid var(--red);border-radius:10px;font-size:15px;font-weight:800;box-shadow:0 12px 24px rgba(251,86,83,.22);transition:transform .2s,box-shadow .2s}
.gx-solid-action:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(251,86,83,.32)}
.gx-ghost-action{font-size:14px;font-weight:700;border-bottom:1px solid var(--red-d);padding:10px 0 5px;color:var(--ink);transition:color .2s}
.gx-ghost-action:hover{color:var(--red-d)}
.gx-trust-strip{list-style:none;display:flex;gap:0;margin:38px 0 0;padding:18px 0 0;border-top:1px solid var(--line)}
.gx-trust-strip li{min-width:118px;display:flex;align-items:center;gap:9px;padding-right:15px;margin-right:15px;border-right:1px solid var(--line);font-size:12px;font-weight:800}
.gx-trust-strip li:last-child{border:0}
.gx-trust-strip i{color:var(--red);font-size:18px}
.gx-trust-strip small{color:#b56b67;font-size:9px;font-weight:500}

/* ===== 工具仪表盘装置 ===== */
.gx-dashboard{margin:0;position:relative}
.gx-dashboard-frame{
  background:linear-gradient(155deg,var(--paper) 0%,var(--soft) 100%);
  border:1px solid var(--line);
  border-radius:22px;
  padding:18px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.gx-dashboard-frame::before{
  content:"";
  position:absolute;
  width:200px;
  height:200px;
  right:-30px;
  top:-30px;
  background:radial-gradient(circle,var(--gold),transparent 70%);
  opacity:.18;
  border-radius:50%;
  pointer-events:none;
}
.gx-dashboard-topbar{
  min-height:42px;
  padding:0 6px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  color:#7a4a47;
  font-size:11px;
  letter-spacing:.6px;
  margin-bottom:14px;
  gap:12px;
}
.gx-dots{display:flex;gap:6px}
.gx-dots i{width:8px;height:8px;border-radius:2px;background:var(--red)}
.gx-dots i:nth-child(2){background:var(--gold)}
.gx-dots i:nth-child(3){background:#a8a8a8}
.gx-dashboard-topbar strong{justify-self:center;font-size:11px;font-weight:700;letter-spacing:.6px;color:var(--ink-2)}
.gx-live{justify-self:end;display:flex;align-items:center;gap:6px;color:#b56b67;font-size:10px}
.gx-live i{width:6px;height:6px;border-radius:1px;background:var(--gold);box-shadow:0 0 0 3px rgba(251,191,36,.18);animation:gxPulse 2s infinite}
@keyframes gxPulse{0%,100%{opacity:1}50%{opacity:.4}}
.gx-dashboard-body{
  display:grid;
  grid-template-columns:120px 1fr 120px;
  gap:14px;
  align-items:center;
  position:relative;
  z-index:1;
}
.gx-tool-stack{display:grid;gap:10px}
.gx-tool-card{
  padding:12px 11px;
  border-radius:11px;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:0 6px 16px rgba(0,0,0,.08);
}
.gx-tool-card > div{display:flex;align-items:center;gap:6px;margin-bottom:7px}
.gx-tool-card i{font-size:16px}
.gx-tool-card small{font-size:9px;font-weight:700;letter-spacing:.6px;opacity:.85}
.gx-tool-card strong{display:block;font-size:15px;font-weight:900;line-height:1.1;margin-bottom:3px}
.gx-tool-card span{font-size:10px;opacity:.82}
.gx-tool-card.is-red{background:linear-gradient(135deg,var(--red),var(--red-d))}
.gx-tool-card.is-gold{background:linear-gradient(135deg,var(--gold),var(--gold-d));color:#3a2400}
.gx-tool-card.is-gray{background:linear-gradient(135deg,#3a3a3a,#1a1a1a)}
.gx-tool-card::after{content:"";position:absolute;right:-8px;bottom:-8px;width:28px;height:28px;background:rgba(255,255,255,.1);border-radius:50%}
.gx-phone-stage{
  position:relative;
  border:6px solid #1a1a1a;
  border-radius:24px;
  overflow:hidden;
  background:#0a0a0a;
  box-shadow:0 16px 32px rgba(0,0,0,.18);
  max-width:280px;
  margin:0 auto;
}
.gx-phone-stage img{width:100%;height:auto;display:block}
.gx-phone-tag{
  position:absolute;
  top:10px;
  left:10px;
  padding:4px 8px;
  background:rgba(0,0,0,.65);
  color:var(--gold);
  font-size:8px;
  font-weight:800;
  letter-spacing:1px;
  border-radius:3px;
}
.gx-data-stack{display:grid;gap:10px}
.gx-data-card{
  padding:14px 11px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--line);
  border-radius:11px;
  display:grid;
  gap:6px;
  text-align:center;
  backdrop-filter:blur(6px);
}
.gx-data-card i{font-size:18px;color:var(--red);margin:0 auto}
.gx-data-card strong{font-size:20px;font-weight:900;line-height:1;color:var(--ink)}
.gx-data-card small{font-size:9px;color:var(--muted);font-weight:700;letter-spacing:.4px}
.gx-dashboard-bottom{
  margin-top:14px;
  padding:11px 14px;
  background:rgba(26,26,26,.04);
  border-radius:9px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:11px;
  color:var(--muted);
}
.gx-adapt{display:flex;align-items:center;gap:6px;color:var(--red-d);font-weight:700}
.gx-adapt i{font-size:14px}
.gx-update{font-weight:600}
.gx-dashboard figcaption{margin-top:12px;text-align:center;font-size:11px;color:#b56b67}

/* ===== 3. 功能痛点4列 ===== */
.gx-pain-grid{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  padding:60px 0;
}
.gx-section-head{margin-bottom:42px;max-width:760px}
.gx-section-idx{display:inline-block;font-size:11px;font-weight:800;letter-spacing:2px;color:var(--red-d);margin-bottom:14px;padding:5px 11px;background:var(--soft);border-radius:99px}
.gx-section-head h2{font-size:clamp(28px,3.2vw,38px);font-weight:900;line-height:1.2;margin-bottom:14px}
.gx-section-head p{color:var(--muted);font-size:15px;line-height:1.85}
.gx-pain-list{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gx-pain-card{
  padding:24px 22px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  position:relative;
  overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.gx-pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:var(--red)}
.gx-pain-icon{
  width:46px;
  height:46px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--red),var(--red-d));
  color:#fff;
  display:grid;
  place-items:center;
  font-size:22px;
  margin-bottom:16px;
  box-shadow:0 8px 18px rgba(251,86,83,.25)
}
.gx-pain-card b{position:absolute;top:18px;right:22px;font-size:32px;font-weight:900;color:rgba(251,86,83,.1);line-height:1}
.gx-pain-card h3{font-size:17px;font-weight:800;margin-bottom:9px;line-height:1.3}
.gx-pain-card p{font-size:13px;color:var(--muted);line-height:1.75;margin-bottom:14px}
.gx-pain-tag{display:inline-block;font-size:11px;font-weight:700;color:var(--red-d);background:var(--soft);padding:5px 10px;border-radius:99px;letter-spacing:.3px}

/* ===== 4. 使用场景3卡 ===== */
.gx-scene-grid{
  background:var(--ink);
  color:#fff;
  padding:60px max(20px,calc((100vw - 1240px)/2));
  position:relative;
  overflow:hidden;
}
.gx-scene-grid::before{
  content:"";
  position:absolute;
  width:280px;
  height:280px;
  right:-50px;
  top:-50px;
  background:radial-gradient(circle,var(--red),transparent 70%);
  opacity:.22;
  pointer-events:none;
}
.gx-scene-grid .gx-section-head{position:relative;z-index:1;margin:0 auto 42px;max-width:1240px}
.gx-scene-grid .gx-section-idx{background:rgba(251,86,83,.18);color:var(--gold)}
.gx-scene-grid .gx-section-head p{color:#a8a8a8}
.gx-scene-list{
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  position:relative;
  z-index:1;
}
.gx-scene-card{
  padding:28px 24px;
  background:#2a2a2a;
  border:1px solid #3a3a3a;
  border-radius:18px;
  transition:border-color .25s,transform .25s;
  position:relative;
}
.gx-scene-card:hover{border-color:var(--red);transform:translateY(-4px)}
.gx-scene-icon{
  width:54px;
  height:54px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--red),var(--red-d));
  color:#fff;
  display:grid;
  place-items:center;
  font-size:26px;
  margin-bottom:18px;
  box-shadow:0 8px 22px rgba(251,86,83,.25)
}
.gx-scene-card h3{font-size:20px;font-weight:800;margin-bottom:11px}
.gx-scene-card p{font-size:13px;color:#b0b0b0;line-height:1.8;margin-bottom:16px}
.gx-scene-tags{list-style:none;display:flex;flex-wrap:wrap;gap:7px}
.gx-scene-tags li{font-size:11px;font-weight:700;color:var(--gold);background:rgba(251,191,36,.14);padding:5px 10px;border-radius:99px;border:1px solid rgba(251,191,36,.25)}

/* ===== 5. 功能对比表 ===== */
.gx-compare{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  padding:60px 0;
}
.gx-compare-head{margin:0 auto 42px}
.gx-compare-table{
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  background:var(--panel);
  box-shadow:var(--shadow-sm);
}
.gx-compare-row{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  align-items:center;
  gap:0;
  border-bottom:1px solid var(--line);
}
.gx-compare-row:last-child{border-bottom:0}
.gx-compare-header{background:var(--ink);color:#fff}
.gx-compare-header .gx-compare-label,
.gx-compare-header .gx-compare-col{padding:18px 22px;font-weight:800;font-size:14px;color:#fff;border-right:1px solid rgba(255,255,255,.1)}
.gx-compare-header .gx-compare-col:last-child{border-right:0}
.gx-compare-header .gx-is-tool{background:var(--red);color:#fff}
.gx-compare-label{padding:18px 22px;font-weight:700;font-size:14px;color:var(--ink);display:flex;align-items:center;gap:8px;border-right:1px solid var(--line)}
.gx-compare-label i{color:var(--red);font-size:18px}
.gx-compare-col{padding:18px 22px;font-size:13px;color:var(--muted);line-height:1.6;border-right:1px solid var(--line)}
.gx-compare-col:last-child{border-right:0}
.gx-compare-row .gx-is-tool{
  background:linear-gradient(135deg,rgba(251,86,83,.08),rgba(251,191,36,.05));
  color:var(--ink);
  font-weight:700;
  position:relative;
}
.gx-compare-row .gx-is-tool::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:3px;
  background:var(--red);
  border-radius:0 2px 2px 0;
}

/* ===== 6. 工具卡2列 ===== */
.gx-tool-grid{
  background:var(--paper);
  padding:60px max(20px,calc((100vw - 1240px)/2));
}
.gx-tool-grid .gx-section-head{margin:0 auto 42px;max-width:1240px}
.gx-tool-list{
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.gx-tool-card-full{
  background:var(--panel);
  border:2px solid var(--line);
  border-radius:18px;
  padding:30px 28px;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:22px;
  position:relative;
  transition:border-color .25s,box-shadow .25s;
}
.gx-tool-card-full:hover{border-color:var(--red);box-shadow:var(--shadow-sm)}
.gx-tool-icon{
  width:64px;
  height:64px;
  border-radius:18px;
  background:linear-gradient(135deg,var(--red),var(--red-d));
  color:#fff;
  display:grid;
  place-items:center;
  font-size:30px;
  box-shadow:0 12px 26px rgba(251,86,83,.28);
}
.gx-tool-info h3{font-size:20px;font-weight:800;margin-bottom:9px;line-height:1.3}
.gx-tool-info p{font-size:13px;color:var(--muted);line-height:1.75;margin-bottom:14px}
.gx-tool-meta{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:18px;padding-bottom:18px;border-bottom:1px dashed var(--line)}
.gx-tool-meta span{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;font-weight:600}
.gx-tool-meta i{color:var(--red);font-size:15px}
.gx-tool-meta b{color:var(--ink);font-weight:900;font-size:14px}
.gx-tool-download{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  background:var(--ink);
  color:#fff;
  border-radius:10px;
  font-size:14px;
  font-weight:800;
  transition:background .2s,transform .2s;
}
.gx-tool-download:hover{background:var(--red-d);transform:translateY(-1px)}

/* ===== 7. 评论2列+评分汇总 ===== */
.gx-voice-grid{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  padding:60px 0;
}
.gx-voice-head{display:grid;grid-template-columns:1fr auto;gap:36px;align-items:end;margin-bottom:36px;padding-bottom:24px;border-bottom:1px solid var(--line);max-width:none}
.gx-voice-summary{
  display:grid;
  grid-template-columns:auto auto;
  gap:18px;
  align-items:center;
  padding:18px 24px;
  background:var(--soft);
  border:1px solid rgba(251,86,83,.22);
  border-radius:14px;
}
.gx-voice-summary b{font-size:42px;font-weight:900;color:var(--red-d);line-height:1}
.gx-voice-summary small{font-size:13px;color:var(--red-d);font-weight:700}
.gx-summary-stars{color:var(--gold-d);font-size:14px;letter-spacing:2px;display:block}
.gx-voice-summary > div small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:5px}
.gx-voice-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.gx-voice-card{
  padding:24px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform .25s,box-shadow .25s;
}
.gx-voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.gx-voice-card.gx-voice-accent{
  background:linear-gradient(135deg,var(--red),var(--red-d));
  color:#fff;
  border-color:var(--red);
}
.gx-voice-card.gx-voice-accent .gx-voice-time,
.gx-voice-card.gx-voice-accent .gx-voice-foot,
.gx-voice-card.gx-voice-accent blockquote{color:#fff}
.gx-voice-card.gx-voice-accent .gx-voice-ava{background:var(--gold);color:var(--ink)}
.gx-voice-card.gx-voice-accent .gx-voice-rate{color:var(--gold)}
.gx-voice-card.gx-voice-accent .gx-voice-foot{border-color:rgba(255,255,255,.18)}
.gx-voice-top{display:flex;align-items:center;gap:12px}
.gx-voice-ava{width:42px;height:42px;border-radius:11px;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;flex-shrink:0}
.gx-voice-name{font-weight:800;font-size:14px;display:block}
.gx-voice-time{font-size:11px;color:#a8a8a8;margin-top:2px;display:block}
.gx-voice-rate{margin-left:auto;color:var(--gold-d);font-size:13px;letter-spacing:1px}
.gx-voice-rate i{color:rgba(255,255,255,.5);font-style:normal}
.gx-voice-card blockquote{font-size:13px;line-height:1.85;color:#4a4a4a;border-left:3px solid var(--red);padding-left:14px;margin:0}
.gx-voice-card.gx-voice-accent blockquote{border-left-color:var(--gold)}
.gx-voice-foot{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--line);font-size:11px;color:#a8a8a8;font-weight:600}

/* ===== 8. FAQ手风琴单列 ===== */
.gx-faq{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  padding:60px 0;
}
.gx-faq-head{margin-bottom:36px}
.gx-faq-body{display:grid;grid-template-columns:1fr 280px;gap:36px;align-items:start}
.gx-faq-list{counter-reset:faq;display:grid;gap:10px}
.gx-faq-list details{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:11px;
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.gx-faq-list details:hover{border-color:var(--red)}
.gx-faq-list details[open]{border-color:var(--red);box-shadow:var(--shadow-sm)}
.gx-faq-list summary{
  padding:18px 22px;
  font-weight:700;
  font-size:15px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
}
.gx-faq-list summary::before{
  content:counter(faq,decimal-leading-zero);
  counter-increment:faq;
  color:var(--red-d);
  font-size:11px;
  font-weight:800;
  letter-spacing:1px;
  margin-right:14px;
  padding:3px 8px;
  background:var(--soft);
  border-radius:5px;
}
.gx-faq-list summary i{color:var(--red-d);font-size:22px;transition:transform .2s;flex-shrink:0}
.gx-faq-list details[open] summary i{transform:rotate(45deg)}
.gx-faq-list details p{padding:0 22px 20px;color:var(--muted);font-size:14px;line-height:1.85;margin-top:-4px}
.gx-faq-contact{
  padding:24px;
  background:linear-gradient(135deg,var(--soft),var(--paper));
  border:1px solid rgba(251,86,83,.25);
  border-radius:14px;
  position:sticky;
  top:100px;
  text-align:center;
}
.gx-faq-contact i{font-size:34px;color:var(--red);margin-bottom:12px}
.gx-faq-contact b{display:block;font-size:16px;font-weight:800;margin-bottom:8px}
.gx-faq-contact small{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-bottom:16px}
.gx-faq-contact a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 18px;
  background:var(--red);
  color:#fff;
  border-radius:9px;
  font-size:13px;
  font-weight:700;
  transition:background .2s,transform .2s;
}
.gx-faq-contact a:hover{background:var(--red-d);transform:translateY(-1px)}

/* ===== 9. 橙红渐变CTA全宽 ===== */
.gx-cta{
  margin:0;
  background:linear-gradient(120deg,var(--red-dd) 0%,var(--red-d) 50%,var(--red) 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
  padding:60px max(20px,calc((100vw - 1240px)/2));
}
.gx-cta::before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  right:0;
  width:42%;
  background:linear-gradient(90deg,transparent,rgba(251,191,36,.18));
  clip-path:polygon(20% 0,100% 0,100% 100%,0 100%);
  pointer-events:none;
}
.gx-cta-deco{
  position:absolute;
  right:6%;
  top:50%;
  transform:translateY(-50%);
  width:280px;
  height:280px;
  opacity:.7;
  pointer-events:none;
}
.gx-cta-inner{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:40px;
  position:relative;
  z-index:1;
}
.gx-cta-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.8px;color:var(--gold);margin-bottom:14px}
.gx-cta-kicker i{font-size:18px}
.gx-cta h2{font-size:clamp(26px,3vw,34px);font-weight:900;line-height:1.25;margin-bottom:12px}
.gx-cta-copy p{font-size:14px;opacity:.9;max-width:520px;line-height:1.75}
.gx-cta-actions{display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.gx-cta-primary{
  padding:18px 28px;
  background:var(--gold);
  color:var(--ink);
  border-radius:11px;
  font-size:15px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  gap:9px;
  box-shadow:0 12px 26px rgba(251,191,36,.36);
  transition:transform .2s,box-shadow .2s;
}
.gx-cta-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(251,191,36,.46)}
.gx-cta-secondary{
  padding:14px 22px;
  background:transparent;
  color:#fff;
  border:2px solid rgba(255,255,255,.4);
  border-radius:11px;
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:7px;
  transition:background .2s,border-color .2s;
}
.gx-cta-secondary:hover{background:rgba(255,255,255,.12);border-color:#fff}
.gx-cta-actions small{font-size:11px;opacity:.7;font-weight:600}

/* ===== 10. 精致footer 3列 ===== */
.gx-foot{
  background:var(--ink);
  color:#a8a8a8;
  padding:54px max(20px,calc((100vw - 1240px)/2)) 24px;
}
.gx-foot-inner{
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1.2fr 1.6fr 1fr;
  gap:48px;
  padding-bottom:32px;
  border-bottom:1px solid #2a2a2a;
  align-items:start;
}
.gx-foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.gx-foot-brand img{width:40px;height:40px;border-radius:11px;image-rendering:pixelated}
.gx-foot-brand b{color:#fff;font-size:18px;display:block;font-weight:800}
.gx-foot-brand small{font-size:9px;letter-spacing:1.4px;color:#6a6a6a;display:block;margin-top:2px}
.gx-foot-about{font-size:13px;line-height:1.85;color:#7a7a7a;max-width:380px}
.gx-foot-cols{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.gx-foot-col h4{color:#fff;font-size:13px;font-weight:800;margin-bottom:14px;letter-spacing:.6px}
.gx-foot-col ul{list-style:none;display:grid;gap:9px}
.gx-foot-col a{font-size:13px;color:#a8a8a8;transition:color .2s}
.gx-foot-col a:hover{color:var(--gold)}
.gx-foot-copy{
  max-width:1240px;
  margin:0 auto;
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:12px;
  color:#6a6a6a;
}
.gx-foot-copy span{color:#a8a8a8;font-weight:700}

/* ===== Backtop ===== */
.gx-backtop{
  position:fixed;
  right:24px;
  bottom:140px;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--ink);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:20px;
  z-index:40;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s,transform .25s,background .2s;
}
.gx-backtop.is-show{opacity:1;pointer-events:auto}
.gx-backtop:hover{background:var(--red-d);transform:translateY(-2px)}

/* ===== Responsive ===== */
@media(max-width:1080px){
  .gx-hero{grid-template-columns:1fr;gap:40px}
  .gx-hero::before{display:none}
  .gx-dashboard{max-width:560px;margin:0 auto}
  .gx-pain-list{grid-template-columns:1fr 1fr}
  .gx-scene-list{grid-template-columns:1fr 1fr}
  .gx-tool-list{grid-template-columns:1fr}
  .gx-faq-body{grid-template-columns:1fr;gap:24px}
  .gx-faq-contact{position:static}
  .gx-cta-inner{grid-template-columns:1fr}
  .gx-cta-actions{align-items:flex-start}
  .gx-cta-deco{display:none}
  .gx-foot-inner{grid-template-columns:1fr 1fr;gap:32px}
  .gx-foot-about{grid-column:1/-1}
}
@media(max-width:860px){
  .gx-nav{display:none}
  .gx-nav-toggle{display:block}
  .gx-nav.is-open{
    display:flex;
    position:absolute;
    top:calc(100% + 8px);
    left:0;
    right:0;
    flex-direction:column;
    gap:0;
    background:rgba(255,244,243,.98);
    border:1px solid var(--line);
    border-radius:14px;
    padding:8px 0;
    box-shadow:var(--shadow);
    backdrop-filter:blur(12px);
  }
  .gx-nav.is-open a{padding:12px 18px;border-bottom:1px solid var(--line)}
  .gx-nav.is-open a:last-child{border-bottom:0}
  .gx-dashboard-body{grid-template-columns:90px 1fr 90px;gap:10px}
  .gx-pain-list{grid-template-columns:1fr 1fr}
  .gx-scene-list{grid-template-columns:1fr;gap:14px}
  .gx-compare-row{grid-template-columns:1fr;border-bottom:1px solid var(--line)}
  .gx-compare-row .gx-compare-label{border-right:0;border-bottom:1px solid var(--line);background:var(--paper)}
  .gx-compare-row .gx-compare-col{border-right:0;border-bottom:1px solid var(--line);padding:14px 22px}
  .gx-compare-row .gx-compare-col:last-child{border-bottom:0}
  .gx-compare-header{display:none}
  .gx-voice-head{grid-template-columns:1fr;gap:24px}
  .gx-voice-list{grid-template-columns:1fr}
  .gx-cta::before{width:60%}
}
@media(max-width:640px){
  .gx-masthead{height:62px;gap:12px;padding:0 10px}
  .gx-brandmark strong{font-size:15px}
  .gx-brandmark small{display:none}
  .gx-header-action{padding:10px 12px;font-size:13px}
  .gx-hero{padding:40px 0 30px}
  .gx-hero h1{font-size:40px}
  .gx-hero-subtitle{font-size:18px}
  .gx-hero-actions{gap:14px}
  .gx-solid-action{padding:13px 18px;font-size:14px}
  .gx-trust-strip{flex-wrap:wrap;gap:12px}
  .gx-trust-strip li{border:0;min-width:auto;padding:0;margin:0}
  .gx-dashboard-body{grid-template-columns:1fr}
  .gx-tool-stack,.gx-data-stack{grid-template-columns:1fr 1fr 1fr;display:flex;gap:8px}
  .gx-tool-stack{order:2}
  .gx-data-stack{order:3}
  .gx-pain-list{grid-template-columns:1fr}
  .gx-pain-card{padding:22px 18px}
  .gx-voice-summary{padding:14px 18px}
  .gx-voice-summary b{font-size:34px}
  .gx-foot-inner{grid-template-columns:1fr}
  .gx-foot-cols{grid-template-columns:1fr 1fr;gap:24px}
  .gx-foot-copy{flex-direction:column;text-align:center}
  .gx-backtop{right:16px;bottom:120px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}