/* ============================================================
   复果造物工坊 · 全站设计系统
   atomcreate 编辑风：奶油底 + 细网格 + 柔光晕 + 墨色字 + 青/薄荷/橙
   全站共用：index.html 及全部子页
   ============================================================ */

:root{
  --paper:#f7f5ef;
  --paper-2:#efece3;
  --card:#ffffff;
  --ink:#18242d;
  --ink-2:#10212b;
  --muted:#5b6770;
  --faint:#8a96a0;
  --line:rgba(24,36,45,0.12);
  --cyan:#25b9d2;
  --cyan-d:#1aa3bd;
  --mint:#a5e87c;
  --orange:#ffb15c;
  --radius:22px;
  --radius-sm:14px;
  --shadow:0 18px 44px rgba(24,36,45,0.09);
  --shadow-sm:0 8px 22px rgba(24,36,45,0.07);
  --grid:linear-gradient(rgba(24,36,45,0.045) 1px,transparent 1px),linear-gradient(90deg,rgba(24,36,45,0.045) 1px,transparent 1px);
  --mono:'Space Mono','SFMono-Regular',ui-monospace,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  font-family:var(--sans);
  background-color:var(--paper);
  background-image:var(--grid);
  background-size:28px 28px;
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  position:relative;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(620px 420px at 88% -4%, rgba(37,185,210,0.16), transparent 60%),
    radial-gradient(560px 380px at -6% 12%, rgba(165,232,124,0.16), transparent 60%),
    radial-gradient(520px 420px at 60% 108%, rgba(255,177,92,0.12), transparent 60%);
}

a{color:var(--cyan-d);text-decoration:none;}
img{max-width:100%;}
li{list-style-position:inside;}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}

/* ===== 导航栏 ===== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(247,245,239,0.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  padding:14px 24px;
  display:flex;justify-content:space-between;align-items:center;gap:18px;
}
.nav-brand{
  display:flex;align-items:center;gap:9px;
  font-size:19px;font-weight:800;color:var(--ink-2);letter-spacing:.5px;white-space:nowrap;
  background:none;-webkit-text-fill-color:currentColor;
}
.nav-brand .mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--cyan),var(--mint));
  color:#fff;font-size:15px;font-weight:800;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 6px 16px rgba(37,185,210,0.35);
}
.nav-links{display:flex;gap:24px;list-style:none;align-items:center;}
.nav-links a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:500;transition:color .25s;white-space:nowrap;}
.nav-links a:hover{color:var(--cyan-d);}
.nav-cta{
  background:linear-gradient(135deg,var(--cyan),var(--cyan-d));
  color:#fff;padding:9px 20px;border-radius:999px;text-decoration:none;
  font-size:14px;font-weight:700;box-shadow:0 8px 20px rgba(37,185,210,0.32);
  transition:transform .25s,box-shadow .25s;white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(37,185,210,0.42);}

/* ===== 面包屑 ===== */
.breadcrumb{
  margin-top:62px;padding:10px 24px;font-size:13px;color:var(--faint);
  background:rgba(255,255,255,0.55);border-bottom:1px solid var(--line);
}
.breadcrumb span{color:var(--muted);}

/* ===== 页面头部 ===== */
.page-header{padding:120px 24px 70px;text-align:center;}
.page-title{
  font-size:clamp(30px,5vw,46px);font-weight:800;color:var(--ink-2);letter-spacing:-.5px;
  background:none;-webkit-text-fill-color:currentColor;
}
.page-subtitle{font-size:18px;color:var(--muted);margin-top:12px;}

/* ===== 区块标题 ===== */
section.block{padding:84px 0;}
.sec-head{text-align:center;max-width:680px;margin:0 auto 54px;}
.sec-kicker{font-family:var(--mono);font-size:12px;letter-spacing:2px;color:var(--cyan-d);text-transform:uppercase;}
.sec-title{font-size:clamp(26px,4vw,38px);font-weight:800;color:var(--ink-2);margin:10px 0 12px;letter-spacing:-.5px;}
.sec-desc{font-size:17px;color:var(--muted);}

.section-title{
  font-size:clamp(24px,3.4vw,34px);font-weight:800;color:var(--ink-2);
  margin-bottom:16px;position:relative;
}
.section-title::before{
  content:'';position:absolute;left:-18px;top:8px;width:4px;height:32px;
  background:linear-gradient(180deg,var(--cyan),var(--mint));border-radius:2px;
}
.section-subtitle{font-size:17px;color:var(--muted);text-align:center;margin-bottom:48px;}
.section-desc{font-size:17px;color:var(--muted);}

/* 浅色分隔带（区块层次） */
.band{background:rgba(255,255,255,0.45);border-top:1px solid var(--line);}
.band-edge{border-bottom:1px solid var(--line);}

/* ===== 通用容器 ===== */
.print-detail,.laser-detail,.service-detail,.membership-detail,.faq-content,.about-content,.faq-list{
  max-width:1180px;margin:0 auto;padding:0 24px 80px;
}

/* ===== 卡片 / 网格 兜底 ===== */
[class*="-card"]{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s,border-color .3s;
}
[class*="-card"]:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(37,185,210,0.35);}
[class$="-grid"]{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:26px;
}

/* ===== 按钮 ===== */
.btn-primary,.btn-secondary,.btn-service,.btn-member,.cta-btn,.contact-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;text-decoration:none;
  font-size:16px;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;
  cursor:pointer;
}
.btn-primary,.cta-btn{
  background:linear-gradient(135deg,var(--cyan),var(--cyan-d));color:#fff;
  box-shadow:0 12px 28px rgba(37,185,210,0.32);
}
.btn-primary:hover,.cta-btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(37,185,210,0.42);}
.btn-secondary,.btn-service,.btn-member,.contact-btn{
  background:#fff;color:var(--ink);border:1px solid var(--line);
}
.btn-secondary:hover,.btn-service:hover,.btn-member:hover,.contact-btn:hover{
  border-color:var(--cyan);color:var(--cyan-d);transform:translateY(-2px);
}

/* ===== Hero（通用居中；首页 .hero-grid 双栏） ===== */
.hero{
  padding:140px 0 70px;display:flex;flex-direction:column;
  align-items:center;text-align:center;position:relative;
}
.hero .wrap{width:100%;}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;text-align:left;
}
.eyebrow,.hero-badge{
  font-family:var(--mono);font-size:12px;letter-spacing:2px;color:var(--cyan-d);
  border:1px solid var(--line);padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,0.6);margin-bottom:20px;display:inline-block;
}
.hero h1{
  font-size:clamp(32px,5.5vw,64px);line-height:1.1;font-weight:800;color:var(--ink-2);
  letter-spacing:-1px;background:none;-webkit-text-fill-color:currentColor;margin-bottom:18px;
}
.hero p{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:32px;}
.hero-sub{font-size:22px;color:var(--muted);margin:14px 0 10px;font-weight:600;}
.hero-tag{font-size:17px;color:var(--orange);font-style:italic;font-weight:600;margin-bottom:22px;}
.hero-desc{font-size:16px;color:var(--muted);max-width:520px;margin-bottom:30px;}
.hero-actions,.hero-btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}
.hero-stats{display:flex;gap:28px;margin-top:38px;flex-wrap:wrap;justify-content:center;}
.hero-stat .n{font-size:26px;font-weight:800;color:var(--ink-2);}
.hero-stat .l{font-size:13px;color:var(--faint);font-family:var(--mono);letter-spacing:1px;}
.hero-visual{
  background:var(--card);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);border:1px solid var(--line);position:relative;
}
.hero-visual img{width:100%;height:340px;object-fit:cover;border-radius:var(--radius-sm);display:block;}
.hero-visual .badge{
  position:absolute;left:34px;bottom:34px;background:rgba(16,33,43,0.82);color:#fff;
  padding:8px 16px;border-radius:999px;font-size:13px;backdrop-filter:blur(6px);
}

/* ===== 服务详情（左右两栏） ===== */
.service-item{
  display:grid;grid-template-columns:0.85fr 1.15fr;gap:44px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:38px;margin-bottom:34px;box-shadow:var(--shadow-sm);
}
.service-item.reverse .service-visual{order:2;}
.service-visual{
  background:linear-gradient(135deg,rgba(37,185,210,0.12),rgba(165,232,124,0.12));
  border-radius:var(--radius);padding:46px 28px;text-align:center;border:1px solid var(--line);
}
.service-emoji{font-size:64px;display:block;}
.service-visual-text{font-size:15px;color:var(--muted);margin-top:14px;}
.service-visual:has(img){padding:0;overflow:hidden;}
.service-visual img{width:100%;height:100%;min-height:260px;object-fit:cover;display:block;}
.service-tag{
  display:inline-block;background:rgba(255,177,92,0.18);color:#b26b00;
  padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;margin-bottom:14px;
}
.service-title{font-size:26px;font-weight:800;color:var(--ink-2);margin-bottom:12px;}
.service-description{font-size:16px;color:var(--muted);line-height:1.8;margin-bottom:18px;}
.service-features{list-style:none;margin-bottom:20px;}
.service-features li{
  font-size:15px;color:var(--muted);padding:7px 0 7px 26px;position:relative;
}
.service-features li::before{
  content:'✓';position:absolute;left:0;color:var(--cyan-d);font-weight:800;
}

/* ===== 价格 ===== */
.price-section{margin:36px 0;}
.price-table{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:8px 22px;box-shadow:var(--shadow-sm);}
.price-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:13px 4px;border-bottom:1px dashed var(--line);
}
.price-row:last-child{border-bottom:none;}
.price-label{font-size:15px;color:var(--ink);}
.price-amount{font-size:17px;font-weight:800;color:var(--cyan-d);}
.price-highlight{color:var(--orange);font-weight:700;}
.service-price-box{background:var(--paper-2);border-radius:var(--radius-sm);padding:18px 22px;margin-bottom:22px;}
.service-price-box .price-row{padding:11px 0;}

/* ===== 会员 ===== */
.member-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;}
.member-card,.member{
  background:var(--card);border:2px solid var(--line);border-radius:var(--radius);
  padding:36px 28px;text-align:center;position:relative;
}
.member-card:hover,.member:hover{transform:translateY(-8px);}
.member-card.featured,.member.featured,.member-card.popular,.member-card.premium{
  border-color:var(--cyan);box-shadow:0 22px 48px rgba(37,185,210,0.18);
}
.member-badge{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--ink-2);color:#fff;padding:4px 16px;border-radius:999px;
  font-size:12px;font-weight:700;white-space:nowrap;
}
.member-badge.gold,.member-badge.popular{background:linear-gradient(135deg,var(--orange),#f59e0b);}
.member-badge.cyan,.member-badge.premium{background:linear-gradient(135deg,var(--cyan),var(--cyan-d));}
.member-icon{font-size:44px;display:block;margin-bottom:14px;}
.member-name{font-size:20px;font-weight:800;color:var(--ink-2);display:block;margin-bottom:8px;}
.member-price{font-size:34px;font-weight:800;color:var(--cyan-d);display:block;}
.member-period{font-size:14px;color:var(--faint);display:block;margin-bottom:14px;}
.member-desc,.member-features{font-size:14px;color:var(--muted);line-height:1.8;display:block;}
.member-features{list-style:none;text-align:left;margin-top:12px;}
.member-features li{padding:6px 0;font-size:14px;color:var(--muted);}
.membership-intro{text-align:center;font-size:17px;color:var(--muted);max-width:700px;margin:0 auto 48px;}

/* ===== 材质 / 流程 / 技术 / 应用 ===== */
.material-card,.app-card,.step-card,.tech-content{padding:32px 26px;text-align:center;}
.material-icon,.app-icon,.tech-emoji{font-size:42px;display:block;margin-bottom:14px;}
.material-name,.app-name{font-size:19px;font-weight:700;color:var(--ink-2);display:block;margin-bottom:8px;}
.material-desc,.app-desc{font-size:15px;color:var(--muted);}
.material-spec{font-size:13px;color:var(--cyan-d);font-family:var(--mono);margin-top:10px;display:block;}

/* ===== AI 玩具 / 商品卡 ===== */
.product-section{margin-bottom:64px;}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;}
.product-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);text-align:center;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:rgba(37,185,210,0.4);}
.product-thumb{
  width:100%;height:190px;object-fit:cover;border-radius:var(--radius-sm);
  margin-bottom:18px;background:var(--paper-2);display:block;
}
.product-name{font-size:19px;font-weight:800;color:var(--ink-2);margin-bottom:8px;}
.product-desc{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:14px;}
.product-price{display:block;font-size:28px;font-weight:800;color:var(--cyan-d);}
.product-price .cur{font-size:17px;margin-right:2px;}
.product-note{display:block;font-size:13px;color:var(--faint);margin-top:6px;}
.product-tag{
  display:inline-block;background:rgba(37,185,210,0.12);color:var(--cyan-d);
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;margin-bottom:12px;
}
/* AI 玩具页：能力卡 / 步骤卡网格 */
.sec-more{text-align:center;margin-top:36px;}
.product-card.link{cursor:pointer;}
.app-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;}
.process-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;}
.process-item{padding:30px 24px;text-align:center;}
.process-step{
  font-family:var(--mono);font-size:15px;font-weight:800;color:var(--cyan-d);
  width:44px;height:44px;line-height:40px;border:2px solid rgba(37,185,210,0.35);
  border-radius:50%;margin:0 auto 14px;display:block;
}
.process-name{font-size:18px;font-weight:700;color:var(--ink-2);display:block;margin-bottom:8px;}
.process-desc{font-size:14px;color:var(--muted);line-height:1.75;}
.material-section,.process-section,.tech-section,.application-section,.material-grid{margin-bottom:64px;}

.process-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-sm);}
.process-step{
  width:40px;height:40px;border-radius:12px;background:rgba(37,185,210,0.12);
  color:var(--cyan-d);font-family:var(--mono);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.process-name{font-size:18px;font-weight:700;color:var(--ink-2);display:block;margin-bottom:8px;}
.process-desc{font-size:14px;color:var(--muted);}

.tech-grid,.tech-content{text-align:left;}
.tech-visual{
  background:linear-gradient(135deg,rgba(37,185,210,0.12),rgba(165,232,124,0.12));
  border-radius:var(--radius);padding:46px 28px;text-align:center;border:1px solid var(--line);
  font-size:60px;
}
.tech-visual:has(img){padding:0;overflow:hidden;}
.tech-visual img{width:100%;height:100%;min-height:320px;object-fit:cover;display:block;border-radius:var(--radius);}
.tech-text{font-size:16px;color:var(--muted);line-height:1.8;}
.tech-features{list-style:none;margin-top:16px;}
.tech-features li{padding:7px 0 7px 26px;position:relative;font-size:15px;color:var(--muted);}
.tech-features li::before{content:'▸';position:absolute;left:0;color:var(--cyan-d);font-weight:800;}

.step-num{
  width:46px;height:46px;line-height:46px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-d));color:#fff;
  font-size:19px;font-weight:700;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
}
.step-card h3{font-size:18px;color:var(--ink-2);margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--muted);}
.steps{padding:20px 0 80px;}
.steps .section-title::before{display:none;}

/* ===== 统计 / 价值 / 画廊 / 故事 ===== */
.stats-section{
  background:linear-gradient(135deg,rgba(37,185,210,0.10),rgba(165,232,124,0.10));
  border:1px solid var(--line);border-radius:var(--radius);padding:56px 40px;margin-bottom:64px;
}
.stats-grid{grid-template-columns:repeat(4,1fr);gap:30px;}
.stat-item{text-align:center;}
.stat-number{
  font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--cyan-d);
  display:block;margin-bottom:8px;background:none;-webkit-text-fill-color:currentColor;
}
.stat-label{font-size:15px;color:var(--muted);}

.value-card{padding:34px 28px;text-align:center;}
.value-icon{font-size:48px;display:block;margin-bottom:16px;}
.value-icon img{width:60px;height:60px;object-fit:contain;}
.value-name{font-size:19px;font-weight:700;color:var(--ink-2);margin-bottom:10px;}
.value-desc{font-size:15px;color:var(--muted);}

.gallery-grid{grid-template-columns:repeat(3,1fr);gap:22px;}
.gallery-item{padding:0;overflow:hidden;}
.gallery-img{width:100%;height:220px;object-fit:cover;display:block;border-radius:var(--radius);}

.story-section,.values-section,.gallery-section{margin-bottom:72px;}
.story-text{font-size:16px;color:var(--muted);line-height:2;margin-bottom:20px;}
.story-highlight{
  background:rgba(255,177,92,0.10);border-left:4px solid var(--orange);
  padding:24px 26px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:36px 0;
}
.story-highlight p{font-size:18px;color:#b26b00;font-style:italic;line-height:1.8;}
.highlight{color:var(--cyan-d);font-weight:600;}
.intro-text{font-size:17px;color:var(--muted);line-height:1.9;}

/* ===== FAQ（含折叠机制，勿改 max-height 逻辑） ===== */
.faq-categories{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:44px;}
.category-btn{
  padding:11px 24px;background:#fff;border:1px solid var(--line);border-radius:999px;
  color:var(--ink);font-size:15px;cursor:pointer;transition:all .25s;font-family:var(--sans);
}
.category-btn:hover{border-color:var(--cyan);color:var(--cyan-d);}
.category-btn.active{
  background:linear-gradient(135deg,var(--cyan),var(--cyan-d));color:#fff;border-color:transparent;
  box-shadow:0 8px 20px rgba(37,185,210,0.28);
}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:16px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-item:hover{transform:none;box-shadow:var(--shadow-sm);}
.faq-question{
  padding:22px 28px;cursor:pointer;display:flex;justify-content:space-between;
  align-items:center;gap:20px;transition:background .25s;
}
.faq-question:hover{background:var(--paper-2);}
.faq-question h3{font-size:17px;font-weight:700;color:var(--ink-2);}
.faq-toggle{
  font-size:24px;color:var(--cyan-d);font-weight:700;
  transition:transform .3s;flex-shrink:0;line-height:1;
}
.faq-item.active .faq-toggle{transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.active .faq-answer{max-height:600px;}
.faq-answer-content{padding:0 28px 24px;font-size:16px;color:var(--muted);line-height:1.9;}
.faq-intro{text-align:center;font-size:17px;color:var(--muted);margin-bottom:40px;}

/* ===== 对比表 ===== */
.comparison{margin:48px 0;}
.comparison-title{font-size:22px;font-weight:800;color:var(--ink-2);margin-bottom:20px;}
.comparison-table{
  width:100%;border-collapse:collapse;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
}
.comparison-table th,.comparison-table td{padding:16px 20px;text-align:left;font-size:15px;}
.comparison-table th{background:var(--paper-2);font-weight:700;color:var(--ink-2);}
.comparison-table td{color:var(--muted);border-top:1px solid var(--line);}
.comparison-table tr td:first-child{color:var(--ink);font-weight:600;}

/* ===== 首页专属组件 ===== */
.miniapp{
  background:linear-gradient(135deg,rgba(37,185,210,0.10),rgba(165,232,124,0.10));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:44px;display:flex;align-items:center;gap:46px;flex-wrap:wrap;justify-content:center;
}
.miniapp-qr{width:148px;height:148px;border-radius:16px;border:3px solid #fff;box-shadow:var(--shadow-sm);background:#fff;}
.miniapp-info{text-align:left;flex:1;min-width:260px;}
.miniapp-info h3{font-size:24px;font-weight:800;color:var(--ink-2);margin-bottom:12px;}
.miniapp-info p{font-size:15px;color:var(--muted);margin-bottom:6px;}
.miniapp-info p strong{color:var(--cyan-d);}
.miniapp-info .meta{font-size:14px;color:var(--faint);margin-top:8px;}

.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-cell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px;text-align:center;box-shadow:var(--shadow-sm);
}
.stat-cell .n{font-size:34px;font-weight:800;color:var(--ink-2);line-height:1.1;}
.stat-cell .n .u{font-size:18px;color:var(--cyan-d);}
.stat-cell .l{font-size:13px;color:var(--faint);margin-top:8px;font-family:var(--mono);letter-spacing:1px;}

.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;}
@media(min-width:900px){
  .grid-3 > *:last-child:nth-child(3n+1){grid-column:2 / 3;justify-self:center;}
}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s,border-color .3s;}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:rgba(37,185,210,0.4);}
.card .ic{
  width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:30px;margin-bottom:18px;background:linear-gradient(135deg,rgba(37,185,210,0.16),rgba(165,232,124,0.16));
}
.card h3{font-size:21px;font-weight:700;color:var(--ink-2);margin-bottom:10px;}
.card p{font-size:15px;color:var(--muted);margin-bottom:18px;}
.price-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.price-item{display:flex;justify-content:space-between;align-items:center;padding:11px 14px;background:var(--paper-2);border-radius:10px;}
.price-name{font-size:14px;color:var(--ink);}
.price-value{font-size:15px;font-weight:800;color:var(--cyan-d);}
.card .btn-primary{padding:10px 26px;font-size:14px;}

.steps-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm);
}
.step .num{
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--cyan-d);
  width:38px;height:38px;border-radius:11px;background:rgba(37,185,210,0.12);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.step h4{font-size:18px;font-weight:700;color:var(--ink-2);margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);}

.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.why{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;box-shadow:var(--shadow-sm);}
.why .ic{font-size:26px;margin-bottom:10px;}
.why h4{font-size:16px;font-weight:700;color:var(--ink-2);margin-bottom:6px;}
.why p{font-size:14px;color:var(--muted);}

.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;text-align:center;box-shadow:var(--shadow-sm);}
.contact-card.follow{border-color:rgba(37,185,210,0.4);background:linear-gradient(135deg,rgba(37,185,210,0.07),rgba(165,232,124,0.07));}
.contact-icon{font-size:32px;display:block;margin-bottom:12px;}
.contact-label{font-size:13px;color:var(--faint);font-family:var(--mono);letter-spacing:1px;display:block;margin-bottom:8px;text-transform:uppercase;}
.contact-value{font-size:17px;color:var(--ink-2);font-weight:600;line-height:1.7;}
.follow-qr{width:120px;height:120px;border-radius:12px;margin:0 auto 12px;display:block;border:2px solid #fff;box-shadow:var(--shadow-sm);}

/* ===== CTA / 关注 / 联系 ===== */
.cta-section,.follow-section,.contact,.faq-contact,.contact-brief{
  max-width:900px;margin:0 auto 80px;text-align:center;
  background:linear-gradient(135deg,rgba(37,185,210,0.10),rgba(165,232,124,0.10));
  border:1px solid var(--line);border-radius:var(--radius);padding:56px 40px;
}
.cta-title,.contact-title{font-size:28px;font-weight:800;color:var(--ink-2);margin-bottom:14px;}
.cta-desc,.contact-desc{font-size:17px;color:var(--muted);margin-bottom:28px;}
.follow-box{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px;display:flex;align-items:center;gap:40px;flex-wrap:wrap;
  box-shadow:var(--shadow-sm);text-align:left;
}
.follow-info{flex:1;min-width:260px;}
.follow-info h3{font-size:22px;color:var(--ink-2);margin-bottom:12px;}
.follow-info p{font-size:15px;color:var(--muted);margin-bottom:8px;}
.follow-qr{text-align:center;}
.follow-qr img{width:160px;height:160px;border-radius:12px;border:3px solid #fff;box-shadow:var(--shadow-sm);}
.follow-qr p{margin-top:10px;font-size:13px;color:var(--faint);}
.contact-brief h3{font-size:28px;font-weight:800;color:var(--ink-2);margin-bottom:22px;}
.contact-brief p{font-size:16px;color:var(--muted);margin-bottom:14px;}

/* ===== Footer ===== */
.footer,footer{
  border-top:1px solid var(--line);padding:46px 24px 38px;margin-top:40px;
  background:rgba(255,255,255,0.5);text-align:center;
}
.footer-inner{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;text-align:center;}
.footer-text{font-size:14px;color:var(--muted);display:block;margin-bottom:8px;}
.footer-text a,.footer a,footer a{color:var(--muted);text-decoration:none;}
.footer-text a:hover,footer a:hover{color:var(--cyan-d);}
.footer-quote{font-size:16px;color:var(--orange);font-style:italic;margin-top:14px;width:100%;}
footer p{color:var(--muted);font-size:14px;}

/* ===== 文档排版（privacy 等纯文本页） ===== */
.prose{max-width:820px;margin:0 auto;padding:56px 24px 80px;}
.prose h1{
  font-size:clamp(26px,4vw,36px);font-weight:800;color:var(--ink-2);
  border-bottom:3px solid var(--cyan);padding-bottom:14px;margin-bottom:18px;
}
.prose h2{font-size:21px;font-weight:700;color:var(--ink-2);margin:34px 0 12px;}
.prose h3{font-size:18px;font-weight:700;color:var(--ink-2);margin:24px 0 10px;}
.prose p{font-size:16px;color:var(--muted);line-height:1.9;margin-bottom:14px;}
.prose ul{line-height:2;color:var(--muted);margin:0 0 16px 22px;}
.prose li{margin-bottom:6px;}
.prose strong{color:var(--ink);}
/* privacy 页 .contact 是紧凑信息框，区别于 CTA 区块 */
.prose .contact{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px 26px;margin-top:24px;box-shadow:var(--shadow-sm);
}
.prose .contact p{margin-bottom:6px;font-size:15px;}

/* ===== 强调色工具类 ===== */
p.accent,.accent{color:var(--cyan-d);font-weight:600;}

/* ===== 响应式 ===== */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual img{height:260px;}
  .service-item{grid-template-columns:1fr;gap:26px;}
  .service-item.reverse .service-visual{order:0;}
  .stats-grid,.stat-strip,.steps-4,.why-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-grid,.contact-grid{grid-template-columns:repeat(2,1fr);}
  .tech-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .navbar{padding:10px 16px;flex-wrap:nowrap;}
  .nav-brand{font-size:16px;}
  .nav-links{display:flex !important;flex-wrap:nowrap;gap:14px;overflow-x:auto;scrollbar-width:none;flex-shrink:0;}
  .nav-links::-webkit-scrollbar{display:none;}
  .nav-links a{font-size:13px;white-space:nowrap;}
  .nav-cta{padding:6px 12px;font-size:12px;flex-shrink:0;}
  .breadcrumb{margin-top:56px;}
  .page-header{padding:104px 20px 48px;}
  .hero{padding:120px 0 50px;}
  .hero-actions,.hero-btns{flex-direction:column;}
  section.block{padding:56px 0;}
  .stats-grid,.stat-strip,.steps-4,.why-grid,.gallery-grid,.contact-grid{grid-template-columns:1fr;}
  .miniapp,.follow-box,.cta-section,.follow-section,.contact,.contact-brief{flex-direction:column;padding:28px 20px;text-align:center;}
  .miniapp-info,.follow-info{text-align:center;}
  .service-item{padding:24px 20px;}
  .faq-question{padding:18px 20px;}
  .faq-answer-content{padding:0 20px 20px;}
  .comparison-table th,.comparison-table td{padding:12px 14px;font-size:14px;}
}