/* ============================================================
   预期GEO 官网 · 设计系统 v4（米白编辑风 · 与抖音图文同款）
   Paper / ink / red accent / editorial minimal
   ============================================================ */

:root{
  /* 底色 */
  --paper:#F5F2EA;
  --paper-2:#EFEAE0;
  /* 面 */
  --card:#FFFFFF;
  --card-2:#FAF7F0;
  --line:rgba(26,24,20,.10);
  --line-strong:rgba(26,24,20,.22);
  /* 字 */
  --text:#211E19;
  --muted:#6E6759;
  --navy:#14120E;
  /* 主色 */
  --blue:#14120E;
  --blue-dark:#14120E;
  --cyan:#E8422E;
  --violet:#E8422E;
  --success:#0E8F5B;
  --danger:#C0392B;
  --warn:#A16207;
  --accent:#E8422E;
  --accent-deep:#C93322;
  --radius:16px;
  --radius-lg:22px;
  --grad:linear-gradient(135deg,#2B2721 0%,#12100C 100%);
  --grad-soft:linear-gradient(135deg,rgba(232,66,46,.10),rgba(232,66,46,.04));
  --grad-text:linear-gradient(100deg,#E8422E,#E8422E);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
::selection{background:rgba(232,66,46,.22);color:#14120E}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Inter,sans-serif;
  color:var(--text);
  background:var(--paper);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* 全局暖纸底光 */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 620px at 82% -8%, rgba(232,66,46,.05), transparent 62%),
    radial-gradient(760px 560px at 6% 6%,  rgba(26,24,20,.035), transparent 62%),
    radial-gradient(900px 700px at 50% 108%, rgba(232,66,46,.03), transparent 60%);
}
/* 细网格纹理 */
body::after{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(26,24,20,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(26,24,20,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(900px 700px at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(900px 700px at 50% 0%,#000 0%,transparent 78%);
}

a{color:var(--accent);text-decoration:none;transition:.2s}
img{max-width:100%}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;position:relative}
strong{color:var(--navy);font-weight:700}

/* ================= 滚动进度条 ================= */
.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:300;
  background:var(--accent);box-shadow:0 0 12px rgba(232,66,46,.5)}

/* ================= 导航 ================= */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(245,242,234,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;transition:.3s;
}
.nav.scrolled{background:rgba(245,242,234,.92);border-bottom-color:var(--line);box-shadow:0 8px 40px rgba(26,24,20,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:2px;font-weight:800;font-size:22px;color:var(--navy);letter-spacing:.02em}
.logo span.geo{
  font-size:inherit;font-weight:800;letter-spacing:.06em;color:var(--accent);
  background:none;border:none;box-shadow:none;padding:0;transform:none;
}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a:not(.nav-cta){color:#57503F;font-size:15px;font-weight:500;position:relative;padding:4px 0}
.nav-links a:hover{color:var(--navy)}
.nav-links a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;border-radius:2px;
  background:var(--accent);transition:right .25s;
}
.nav-links a:not(.nav-cta):hover::after,
.nav-links a.active:not(.nav-cta)::after{right:0}
.nav-links a.active{color:var(--navy)}
.nav-cta{
  background:var(--grad);color:#F5F2EA!important;font-weight:700;font-size:15px;
  padding:12px 32px;border-radius:999px;box-shadow:0 6px 22px rgba(26,24,20,.22);
  margin-left:12px;letter-spacing:.02em;white-space:nowrap;line-height:1.3;
}
.nav-cta:hover{box-shadow:0 10px 30px rgba(26,24,20,.32);transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--navy);cursor:pointer}

/* ================= 按钮 ================= */
.btn{display:inline-block;padding:14px 32px;border-radius:999px;font-weight:700;font-size:16px;transition:.25s;cursor:pointer;border:1px solid transparent;letter-spacing:.01em;position:relative;overflow:hidden}
.btn-primary{background:var(--grad);color:#F5F2EA;box-shadow:0 12px 32px rgba(26,24,20,.24)}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-20deg);transition:left .55s;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(26,24,20,.34);color:#F5F2EA}
.btn-primary:hover::after{left:130%}
.btn-light{background:#F5F2EA;color:#14120E}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(245,242,234,.28);color:#14120E}
.btn-outline{border:1px solid var(--line-strong);color:var(--text);background:rgba(255,255,255,.5)}
.btn-outline:hover{border-color:rgba(232,66,46,.55);color:var(--accent);background:rgba(232,66,46,.06);box-shadow:0 10px 30px rgba(232,66,46,.12)}
.btn-ghost{color:var(--accent);font-weight:600;font-size:15px;padding:0}
.btn-ghost:hover{color:var(--navy)}
.btn[disabled]{opacity:.65;cursor:not-allowed;transform:none!important}

/* ================= 通用区块 ================= */
.section{padding:92px 0;position:relative}
.section.alt{background:var(--paper-2)}
.section.tight{padding-top:0}
.divider{height:1px;background:var(--line);max-width:1180px;margin:0 auto}

.sec-head{text-align:center;max-width:780px;margin:0 auto 56px}
.sec-head .kicker,.page-hero .kicker{
  display:inline-block;color:var(--accent);font-weight:700;font-size:12.5px;letter-spacing:.2em;
  border:1px solid rgba(232,66,46,.30);background:rgba(232,66,46,.06);
  border-radius:999px;padding:5px 16px;
}
.sec-head h2{
  font-size:clamp(26px,4vw,38px);font-weight:800;color:var(--navy);margin:20px 0 16px;
  line-height:1.35;letter-spacing:0;
}
.sec-head p{color:var(--muted);font-size:17px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* 白卡（带鼠标光斑） */
.card{
  background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;
  transition:transform .3s,border-color .3s,box-shadow .3s;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(420px 220px at var(--mx,20%) var(--my,0%),rgba(232,66,46,.07),transparent 70%);
}
.card:hover{transform:translateY(-5px);border-color:rgba(232,66,46,.35);box-shadow:0 22px 60px rgba(26,24,20,.12)}
.card:hover::before{opacity:1}
.card .icon{
  width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;background:var(--grad-soft);border:1px solid rgba(232,66,46,.26);
  box-shadow:0 8px 24px rgba(232,66,46,.10);
}
.card h3{font-size:19px;color:var(--navy);margin-bottom:10px;font-weight:700}
.card p{color:var(--muted);font-size:15px}

/* ================= Hero ================= */
.hero{padding:108px 0 92px;position:relative;overflow:hidden}
.hero .hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero-copy{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.06em;color:var(--accent);
  border:1px solid rgba(232,66,46,.32);background:rgba(232,66,46,.06);
  border-radius:999px;padding:6px 16px;margin-bottom:26px;
}
.hero-tag .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(232,66,46,.16);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  font-size:clamp(34px,5.6vw,58px);line-height:1.18;font-weight:800;color:var(--navy);letter-spacing:-.01em;
}
.hero h1 em{
  font-style:normal;color:var(--accent);
  background:none;-webkit-background-clip:initial;background-clip:initial;
}
.hero.solo .container{max-width:900px}
.hero p.lead{font-size:18.5px;color:var(--muted);max-width:620px;margin:24px 0 38px}
.hero p.lead strong{color:var(--navy)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:54px;flex-wrap:wrap}
.hero-stats .stat{padding-left:16px;border-left:2px solid rgba(232,66,46,.5)}
.hero-stats .stat b{display:block;font-size:30px;font-weight:800;color:var(--navy);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hero-stats .stat span{font-size:13.5px;color:var(--muted);display:block;max-width:190px;line-height:1.6}

/* AI 对话模拟面板 */
.ai-panel{
  position:relative;border-radius:var(--radius-lg);padding:26px;
  background:var(--card);
  border:1px solid var(--line-strong);
  box-shadow:0 30px 80px rgba(26,24,20,.14);
}
.ai-panel::after{
  content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;
  background:radial-gradient(500px 240px at 80% 0%,rgba(232,66,46,.08),transparent 70%);
}
.ai-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line);position:relative;z-index:2}
.ai-avatar{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#F5F2EA;
  box-shadow:0 6px 18px rgba(26,24,20,.24);
}
.ai-head b{color:var(--navy);font-size:14.5px}
.ai-head span{font-size:12px;color:var(--muted);background:var(--card-2);border:1px solid var(--line);padding:2px 9px;border-radius:999px}
.ai-tabs{display:flex;gap:8px;margin-left:auto;position:relative;z-index:2}
.ai-tabs button{
  font-size:12px;font-weight:700;padding:4px 13px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:var(--card-2);color:var(--muted);transition:.25s;font-family:inherit;
}
.ai-tabs button.on{
  color:#F5F2EA;background:var(--grad);border-color:transparent;
  box-shadow:0 4px 14px rgba(26,24,20,.26);
}
.ai-msg{margin-top:18px;position:relative;z-index:2;min-height:196px}
.ai-q{
  align-self:flex-end;background:var(--paper);border:1px solid var(--line);
  border-radius:14px 14px 4px 14px;padding:12px 16px;font-size:14.5px;color:var(--text);
  margin-left:auto;max-width:88%;width:fit-content;
}
.ai-a{
  margin-top:14px;background:rgba(232,66,46,.05);border:1px solid rgba(232,66,46,.22);
  border-radius:14px 14px 14px 4px;padding:16px 18px;font-size:14.5px;color:#3A362E;line-height:1.85;
  min-height:104px;
}
.ai-a .hit{color:var(--navy);font-weight:700;background:linear-gradient(180deg,transparent 62%,rgba(232,66,46,.28) 0);padding:0 2px}
.ai-a .miss{color:var(--danger);font-weight:600}
.ai-a .caret{display:inline-block;width:2px;height:1.05em;background:var(--accent);vertical-align:-2px;margin-left:2px;animation:caret 1s steps(1) infinite}
@keyframes caret{0%,55%{opacity:1}56%,100%{opacity:0}}
.ai-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px;position:relative;z-index:2}
.ai-metrics div{background:var(--card-2);border:1px solid var(--line);border-radius:12px;padding:12px 10px;text-align:center}
.ai-metrics b{display:block;font-size:20px;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}
.ai-metrics span{font-size:11.5px;color:var(--muted)}
.ai-foot{color:var(--muted);font-size:12.5px;margin-top:16px;line-height:1.7;position:relative;z-index:2}

/* 平台徽标条（无缝滚动） */
.marquee{margin-top:34px;overflow:hidden;position:relative;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee-track{display:flex;gap:10px;width:max-content;animation:marquee 26s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee-track span{
  font-size:13px;color:var(--muted);border:1px solid var(--line);background:var(--card);
  padding:5px 14px;border-radius:999px;white-space:nowrap;transition:.25s;
}
.marquee-track span:hover{color:var(--accent);border-color:rgba(232,66,46,.4);background:rgba(232,66,46,.05)}

/* ================= 子页 Hero ================= */
.page-hero{padding:96px 0 56px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;top:-140px;left:50%;transform:translateX(-50%);
  width:760px;height:400px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(232,66,46,.10),transparent 72%);
  pointer-events:none;
}
.page-hero h1{
  font-size:clamp(28px,4.4vw,44px);font-weight:800;color:var(--navy);margin:22px 0 16px;
  line-height:1.3;letter-spacing:-.01em;position:relative;
}
.page-hero p.lead{color:var(--muted);font-size:18px;max-width:680px;margin:0 auto}
.page-hero h1 em{
  font-style:normal;color:var(--accent);
  background:none;-webkit-background-clip:initial;background-clip:initial;
}

/* ================= 对比表 ================= */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);border:1px solid var(--line)}
table.compare{
  width:100%;border-collapse:collapse;font-size:15px;min-width:640px;
  background:var(--card);
}
table.compare th,table.compare td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line)}
table.compare th{
  background:var(--navy);color:#F5F2EA;font-weight:700;font-size:14.5px;letter-spacing:.02em;
}
table.compare th:last-child{color:#FF9A87}
table.compare tr:last-child td{border-bottom:none}
table.compare tr:hover td{background:var(--card-2)}
table.compare td:first-child{font-weight:600;color:var(--navy)}
table.compare td{color:var(--muted)}

/* ================= 流程步骤 ================= */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.steps.cols-4{grid-template-columns:repeat(4,1fr)}
.step{
  background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;
  counter-increment:step;transition:.3s;position:relative;overflow:hidden;
}
.step::before{
  content:counter(step);display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#F5F2EA;
  font-weight:800;font-size:15px;margin-bottom:16px;box-shadow:0 8px 20px rgba(26,24,20,.22);
}
.step:hover{transform:translateY(-4px);border-color:rgba(232,66,46,.32)}
.step h3{font-size:16.5px;color:var(--navy);margin-bottom:8px;font-weight:700}
.step p{font-size:13.5px;color:var(--muted)}

/* ================= 价格卡 ================= */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.price-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.price-card{
  background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 28px;
  display:flex;flex-direction:column;position:relative;transition:.3s;
}
.price-card:hover{transform:translateY(-5px);border-color:rgba(232,66,46,.3);box-shadow:0 24px 60px rgba(26,24,20,.12)}
.price-card.featured{
  border:1.5px solid var(--navy);
  background:
    radial-gradient(420px 200px at 50% 0%, rgba(232,66,46,.08), transparent 72%),
    var(--card);
  box-shadow:0 20px 60px rgba(26,24,20,.16);
}
.price-card .badge{
  position:absolute;top:0;left:50%;transform:translate(-50%,-50%);
  background:var(--grad);color:#F5F2EA;font-size:12.5px;font-weight:800;padding:5px 18px;
  border-radius:999px;white-space:nowrap;box-shadow:0 8px 22px rgba(26,24,20,.26);
}
.price-card h3{font-size:19px;color:var(--navy);font-weight:700}
.price-card .target{font-size:13px;color:var(--muted);margin:6px 0 18px}
.price-card .price{font-size:36px;font-weight:800;color:var(--navy);line-height:1.15;letter-spacing:-.02em}
.price-card .price small{font-size:14px;font-weight:500;color:var(--muted)}
.price-card .orig{font-size:14px;color:#9A9282;text-decoration:line-through;margin-left:8px}
.price-card ul{list-style:none;margin:22px 0 28px;flex:1}
.price-card ul li{font-size:14.5px;color:#454034;padding:9px 0 9px 26px;position:relative;border-bottom:1px dashed var(--line)}
.price-card ul li::before{
  content:"";position:absolute;left:2px;top:16px;width:14px;height:8px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}
.price-card .btn{text-align:center;width:100%}

/* ================= 表单 ================= */
.form-card{
  background:var(--card);
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:42px;
  max-width:680px;margin:0 auto;box-shadow:0 30px 80px rgba(26,24,20,.12);
}
.form-card h3{color:var(--navy);font-size:22px;font-weight:700;margin-bottom:8px}
.form-card > p{color:var(--muted)}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13.5px;font-weight:600;color:#454034;margin-bottom:8px}
.form-group label .req{color:var(--danger)}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line-strong);border-radius:12px;
  font-size:15px;font-family:inherit;background:var(--card);color:var(--text);
  transition:.2s;
}
.form-group select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236E6759' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
}
.form-group select option{background:#FFFFFF;color:#211E19}
.form-group input::placeholder,.form-group textarea::placeholder{color:#A39B8B}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--accent);background-color:rgba(232,66,46,.04);
  box-shadow:0 0 0 3px rgba(232,66,46,.14);
}
.form-group textarea{min-height:96px;resize:vertical}
.form-group.hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden;visibility:hidden}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.form-success{display:none;text-align:center;padding:40px 20px}
.form-success h3{color:var(--navy);font-size:22px;margin-bottom:12px}

/* ================= FAQ ================= */
.faq{max-width:820px;margin:0 auto}
.faq details{
  background:var(--card);
  border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:0 24px;transition:.25s;
}
.faq details:hover{border-color:rgba(232,66,46,.28)}
.faq details[open]{border-color:rgba(232,66,46,.38);background:rgba(232,66,46,.04)}
.faq summary{
  cursor:pointer;font-weight:600;color:var(--navy);padding:19px 0;font-size:16px;list-style:none;
  position:relative;padding-right:32px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:14px;font-size:22px;color:var(--accent);font-weight:400;transition:.25s}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);padding:0 0 20px;font-size:15px}

/* ================= CTA（黑色横幅，呼应口号条） ================= */
.cta-band{
  position:relative;overflow:hidden;text-align:center;padding:70px 40px;border-radius:26px;
  background:var(--grad);
  border:1px solid rgba(26,24,20,.9);
  box-shadow:0 30px 90px rgba(26,24,20,.28);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 300px at 50% 0%,rgba(232,66,46,.16),transparent 70%);
}
.cta-band h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;color:#F5F2EA;margin-bottom:14px;position:relative;letter-spacing:-.01em}
.cta-band p{color:rgba(245,242,234,.72);margin-bottom:32px;font-size:17px;position:relative}
.cta-band .btn{position:relative}
.cta-band small{display:block;margin-top:16px;font-size:13px;color:rgba(245,242,234,.45)}

/* ================= 文章 ================= */
.article-list{display:grid;gap:20px}
.article-item{
  background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:30px 34px;display:block;transition:.3s;
}
.article-item:hover{transform:translateY(-4px);border-color:rgba(232,66,46,.34);box-shadow:0 22px 60px rgba(26,24,20,.12)}
.article-item .tag{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:.12em}
.article-item h3{color:var(--navy);font-size:21px;margin:10px 0 8px;font-weight:700}
.article-item p{color:var(--muted);font-size:15px}
.article-item .date{font-size:13px;color:#9A9282;margin-top:14px;display:block}

.prose{
  max-width:780px;margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:56px 60px;
}
.prose h1{font-size:clamp(26px,3.6vw,36px);color:var(--navy);line-height:1.4;margin-bottom:10px;letter-spacing:-.01em}
.prose .meta{color:#9A9282;font-size:14px;margin-bottom:36px}
.prose h2{font-size:23px;color:var(--navy);margin:40px 0 14px;font-weight:700}
.prose h3{font-size:18px;color:var(--navy);margin:28px 0 10px}
.prose p{margin-bottom:16px;color:#3A362E}
.prose ul,.prose ol{margin:0 0 16px 22px;color:#3A362E}
.prose li{margin-bottom:8px}
.prose strong{color:var(--navy)}
.prose blockquote{
  border-left:3px solid var(--accent);background:rgba(232,66,46,.05);
  padding:14px 20px;border-radius:0 12px 12px 0;margin:20px 0;color:#3A362E;
}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.prose table th,.prose table td{border:1px solid var(--line);padding:11px 15px;text-align:left}
.prose table th{background:var(--navy);color:#F5F2EA}
.prose table td{color:var(--muted)}
.prose hr{border:none;height:1px;background:var(--line);margin:36px 0}

/* ================= 案例卡 ================= */
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:22px}
.case-card{
  background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.3s;position:relative;overflow:hidden;
}
.case-card:hover{transform:translateY(-4px);border-color:rgba(232,66,46,.34);box-shadow:0 22px 60px rgba(26,24,20,.12)}
.case-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:10px}
.case-tag{font-size:12px;color:var(--accent);font-weight:700;border:1px solid rgba(232,66,46,.3);background:rgba(232,66,46,.06);padding:3px 12px;border-radius:999px}
.case-sec{font-size:11px;color:var(--muted);background:var(--card-2);border:1px solid var(--line);padding:2px 9px;border-radius:999px;white-space:nowrap}
.case-card h3{font-size:17px;color:var(--navy);font-weight:700;margin-bottom:10px}
.case-desc{font-size:14px;color:var(--muted);margin-bottom:18px;line-height:1.75}
.case-metrics{display:flex;gap:12px;margin-bottom:16px}
.case-metrics>div{flex:1;background:var(--card-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.case-metrics .lbl{display:block;font-size:12px;color:var(--muted);margin-bottom:7px}
.case-metrics b{font-size:19px;color:var(--navy);font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.case-metrics b i{font-style:normal;color:var(--accent);margin:0 5px;font-size:13px;font-weight:600}
.case-note{font-size:13px;color:#57503F;line-height:1.75;border-top:1px dashed var(--line);padding-top:14px}

/* 案例数据条 */
.bar-row{margin:8px 0 2px}
.bar-row .bar-lbl{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:6px}
.bar-track{height:6px;border-radius:99px;background:rgba(26,24,20,.08);overflow:hidden;position:relative}
.bar-fill{height:100%;border-radius:99px;background:var(--accent);width:0;transition:width 1.2s cubic-bezier(.22,.61,.36,1)}
.bar-fill.dim{background:rgba(26,24,20,.22)}

/* ================= 页脚（黑底，呼应口号条） ================= */
footer{
  background:#161310;
  border-top:1px solid var(--line);
  padding:64px 0 30px;margin-top:40px;position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr;gap:40px;margin-bottom:44px;align-items:start}
footer h4{color:#F5F2EA;font-size:15px;margin-bottom:18px;letter-spacing:.04em}
footer ul{list-style:none}
footer ul li{margin-bottom:11px;font-size:14px;color:rgba(245,242,234,.62)}
footer ul a{color:rgba(245,242,234,.62)}
footer ul a:hover{color:#fff}
.footer-brand .logo{color:#F5F2EA;margin-bottom:14px}
.footer-brand .logo span.geo{color:var(--accent)}
.footer-brand p{font-size:14px;max-width:320px;color:rgba(245,242,234,.6)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;font-size:13px;color:rgba(245,242,234,.45);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}

/* ================= 复制微信号 ================= */
.wx-hint{
  cursor:pointer;
  display:inline-block;margin-left:7px;font-size:11px;line-height:1;
  color:var(--accent);border:1px solid rgba(232,66,46,.4);border-radius:6px;padding:2px 7px;
  vertical-align:middle;
}
footer li{cursor:default;transition:.2s}
footer li[title]:hover{color:#fff}
.wx-toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,14px);
  background:rgba(18,16,12,.96);color:#F5F2EA;border:1px solid rgba(232,66,46,.45);
  padding:12px 24px;border-radius:999px;font-size:14px;font-weight:500;
  box-shadow:0 14px 44px rgba(26,24,20,.4);opacity:0;pointer-events:none;
  transition:opacity .3s,transform .3s;z-index:9999;max-width:90vw;text-align:center;
}
.wx-toast.show{opacity:1;transform:translate(-50%,0)}

/* ================= 提示条 ================= */
.notice{
  background:#F7EFDD;border:1px solid #E3D3AC;
  border-radius:14px;padding:20px 24px;font-size:14.5px;color:#6E5518;max-width:820px;margin:0 auto;
  line-height:1.85;
}
.notice.accent{
  background:rgba(232,66,46,.05);border-color:rgba(232,66,46,.26);color:#8C3226;
}
.notice a{color:var(--accent);text-decoration:underline}

/* ================= 404 ================= */
.err-hero{padding:130px 0 110px;text-align:center}
.err-hero .err-code{
  font-size:clamp(80px,16vw,150px);font-weight:800;line-height:1;letter-spacing:-.03em;
  color:var(--accent);
}
.err-hero h1{font-size:24px;color:var(--navy);margin:18px 0 10px}
.err-hero p{color:var(--muted);margin-bottom:34px}

/* ================= 动效 ================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}

/* ================= 响应式 ================= */
@media(max-width:1040px){
  .hero .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero{padding:84px 0 64px}
  .ai-panel{max-width:560px;margin:0 auto}
}
@media(max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .price-grid,.price-grid.cols-3{grid-template-columns:1fr;max-width:540px;margin:0 auto}
  .price-card.featured{order:-1}
  .steps,.steps.cols-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:70px 0}
}
@media(max-width:860px){
  .grid-3{grid-template-columns:1fr;max-width:540px;margin:0 auto}
}
@media(max-width:720px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;background:rgba(250,248,242,.98);
    backdrop-filter:blur(18px);flex-direction:column;align-items:flex-start;gap:0;
    padding:0 24px;border-bottom:1px solid var(--line);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links li{width:100%;padding:15px 0;border-bottom:1px solid rgba(26,24,20,.07)}
  .nav-links .nav-cta{display:inline-block;margin:14px 0 10px;padding:12px 30px}
  .hero{padding:56px 0 48px}
  .hero h1{font-size:clamp(30px,8.4vw,38px)}
  .hero p.lead{font-size:16.5px;margin:20px 0 30px}
  .hero-stats{gap:20px 22px;margin-top:36px}
  .hero-stats .stat b{font-size:26px}
  .hero-stats .stat span{font-size:13px;max-width:160px}
  .hero-actions .btn{width:100%;text-align:center}
  .ai-panel{padding:20px 18px}
  .ai-msg{min-height:220px}
  .ai-q,.ai-a{font-size:13.5px}
  .section{padding:56px 0}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .steps,.steps.cols-4{grid-template-columns:1fr}
  .sec-head{margin-bottom:40px}
  .sec-head h2{font-size:24px}
  .prose{padding:34px 22px}
  .form-card{padding:28px 20px}
  .cta-band{padding:44px 22px;border-radius:20px}
  footer{padding:42px 0 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px 18px;margin-bottom:28px}
  .footer-grid>div:first-child{grid-column:1/-1}
  .footer-brand p{font-size:13px;line-height:1.7}
  footer h4{font-size:13.5px;margin-bottom:12px}
  footer ul li{font-size:13px;margin-bottom:8px}
  .footer-bottom{font-size:11.5px;padding-top:16px}
  .container{padding:0 18px}
  .page-hero{padding:60px 0 36px}
  .page-hero h1{font-size:28px}
  .page-hero p.lead{font-size:16px}
  .price-card{padding:30px 24px}
  .price-card .price{font-size:32px}
  .price-card .badge{font-size:12px;padding:5px 14px}
  .ai-metrics{grid-template-columns:repeat(3,1fr);gap:8px}
  .ai-metrics b{font-size:17px}
}
@media(max-width:400px){
  .container{padding:0 15px}
  .hero h1{font-size:28px}
  .hero-stats{gap:18px}
  .btn{padding:13px 24px;font-size:15px}
  .ai-metrics{grid-template-columns:repeat(3,1fr)}
  .ai-metrics span{font-size:10.5px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-grid>div:first-child{grid-column:auto}
  .ai-head span{display:none}
  .ai-tabs button{padding:4px 10px}
}

/* ================= 表格横向滑动提示（移动端） ================= */
.scroll-hint{
  display:none;font-size:12px;color:var(--muted);text-align:center;margin-top:10px;
  letter-spacing:.04em;
}
@media(max-width:720px){
  .table-wrap.can-scroll + .scroll-hint{display:block}
}

/* ================= 微信咨询卡 ================= */
.wx-num{
  font-size:46px;font-weight:900;color:var(--navy);letter-spacing:3px;line-height:1.2;
}
@media(max-width:720px){.wx-num{font-size:36px}}

/* ================= 黑底横幅内文字对比度修复 ================= */
.cta-band strong{color:#F5F2EA}
.cta-band a{color:#FF8A75}
.cta-band .btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 32px rgba(232,66,46,.35)}
.cta-band .btn-primary:hover{box-shadow:0 18px 44px rgba(232,66,46,.5);color:#fff}
.cta-band .btn-primary::after{background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent)}
footer strong{color:#F5F2EA}

/* ================= 首页数据条重设计（编辑风） ================= */
.hero-stats{display:flex;gap:72px;margin-top:54px;flex-wrap:wrap}
.hero-stats .stat{border-left:none;padding-left:0;position:relative;padding-top:16px}
.hero-stats .stat::before{content:"";position:absolute;top:0;left:0;width:30px;height:3px;background:var(--accent)}
.hero-stats .stat b{display:block;font-size:54px;font-weight:900;color:var(--navy);line-height:1.05;letter-spacing:0;font-variant-numeric:tabular-nums}
.hero-stats .stat b i{font-style:normal;font-size:22px;font-weight:700;color:var(--navy);margin-left:7px;letter-spacing:1px}
.hero-stats .stat span{display:block;font-size:14.5px;color:var(--muted);margin-top:10px;max-width:230px;line-height:1.65}
@media(max-width:720px){
  .hero-stats{gap:36px}
  .hero-stats .stat b{font-size:42px}
  .hero-stats .stat b i{font-size:17px;margin-left:5px}
  .hero-stats .stat span{max-width:none}
}

/* ================= 页脚极简版（对齐抖音背景文案） ================= */
.foot-slogan{margin-top:26px;font-size:32px;font-weight:900;color:#F5F2EA;letter-spacing:1px;line-height:1.4}
.foot-slogan em{font-style:normal;color:var(--accent)}
.foot-motto{margin-top:12px;font-size:14px;letter-spacing:4px;color:rgba(245,242,234,.45);font-weight:600}
@media(max-width:720px){
  .foot-slogan{font-size:26px}
}

/* ================= 页脚降噪 + 版权居中 ================= */
.foot-slogan em{font-style:normal;color:var(--accent)}
footer .wx-hint{color:rgba(245,242,234,.55);border-color:rgba(245,242,234,.28)}
.footer-bottom{justify-content:center;text-align:center}