/* =========================================================
   诺桔 品牌官网 · 全站样式
   配色：深紫罗兰（Plum）× 香槟金（Champagne Gold）× 象牙白
   ========================================================= */
:root{
  /* 深紫罗兰体系 */
  --plum-950:#050d18; --plum-900:#0a1a30; --plum-800:#12294a;
  --plum-700:#16345c; --plum-600:#1d4578; --plum-500:#2a5f9e;
  --lav-300:#a8c8e8; --lav-200:#c6dcf2; --lav-100:#e3eef8; --lav-50:#f4f8fc;
  /* 香槟金体系 */
  --gold-100:#fbf3df; --gold-200:#f0e2c4; --gold-300:#e2c78d;
  --gold-400:#d4ae62; --gold-500:#c39a45; --gold-600:#a87f2f; --gold-700:#8a6524;
  --gold-grad:linear-gradient(135deg,#f8ecc9 0%,#dcbb72 45%,#b98f3c 100%);
  --gold-line:linear-gradient(90deg,transparent,rgba(212,174,98,.75),transparent);
  /* 中性 */
  --ink:#0b1a2c; --body:#4d5a6e; --muted:#8593a6;
  --line:#e2e8f0; --line-warm:#efe4d0; --bg:#fdfcfa; --soft:#faf8fc;
  --r-s:12px; --r-m:18px; --r-l:26px;
  --sh-s:0 4px 16px rgba(23,16,43,.05);
  --sh-m:0 16px 44px rgba(36,22,64,.12);
  --sh-l:0 28px 76px rgba(15,8,32,.34);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
/* 锚点跳转：为固定导航留出高度 */
[id]{scroll-margin-top:86px}
/* 移动端触摸高亮用品牌金色，替代系统默认灰块 */
a,button,label,summary,.faq-q{-webkit-tap-highlight-color:rgba(212,174,98,.16)}
/* 菜单展开时锁定页面滚动（JS 同步切换） */
body.nav-open{overflow:hidden}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--body);background:var(--bg);line-height:1.78;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
.serif{font-family:"Songti SC","STSong","Noto Serif SC",SimSun,serif}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.center{text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:99px;font-size:15px;font-weight:600;
  letter-spacing:.5px;transition:.28s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--plum-600),var(--plum-900));
  color:#fff;border:1px solid rgba(212,174,98,.5);
  box-shadow:0 10px 26px rgba(51,33,90,.32),inset 0 1px 0 rgba(255,255,255,.08);
}
.btn-primary:hover{
  transform:translateY(-2px);color:#fff;border-color:rgba(226,199,141,.85);
  box-shadow:0 16px 34px rgba(51,33,90,.4),0 0 0 4px rgba(212,174,98,.12);
}
.btn-gold{
  background:var(--gold-grad);color:#2a1a0c;
  box-shadow:0 10px 28px rgba(169,127,47,.35),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(169,127,47,.45)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.btn-line{border:1.5px solid rgba(212,174,98,.55);color:var(--plum-700);background:#fff}
.btn-line:hover{border-color:var(--gold-500);background:var(--gold-100);box-shadow:0 10px 24px rgba(169,127,47,.15)}
/* 登录 / 注册按钮：深蓝底 + 白色字，浅色卡片上清晰可读 */
.btn-login{
  background:linear-gradient(135deg,var(--plum-600),var(--plum-900));
  color:#fff;border:1px solid rgba(212,174,98,.5);
  box-shadow:0 10px 26px rgba(36,22,64,.3),inset 0 1px 0 rgba(255,255,255,.1);
}
.btn-login:hover{transform:translateY(-2px);color:#fff;border-color:rgba(226,199,141,.85);
  box-shadow:0 16px 34px rgba(36,22,64,.4),0 0 0 4px rgba(212,174,98,.12)}

/* ---------- 文字 ---------- */
.eyebrow{font-size:12.5px;letter-spacing:3.4px;color:var(--gold-600);font-weight:600;text-transform:uppercase}
.h1{font-size:clamp(30px,4.2vw,54px);line-height:1.24;color:var(--ink);font-weight:700;letter-spacing:.5px}
.h2{font-size:clamp(24px,2.9vw,36px);line-height:1.3;color:var(--ink);font-weight:700;letter-spacing:.5px}
.h3{font-size:19px;color:var(--ink);font-weight:600}
.lead{font-size:15.5px;color:var(--body)}
.section{padding:78px 0}
.section.soft{
  background:linear-gradient(180deg,var(--soft) 0%,#fbf7f0 100%);
  border-top:1px solid var(--line-warm);border-bottom:1px solid var(--line-warm);
}
.sec-head{max-width:720px;margin:0 auto 46px;text-align:center}
.sec-head .h2{margin:12px 0 16px}
.sec-head .h2::after{content:"";display:block;width:64px;height:2px;margin:18px auto 0;
  background:var(--gold-grad);border-radius:2px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:26px;transition:.3s}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-m);border-color:rgba(212,174,98,.55)}
.tag{display:inline-block;padding:3px 13px;border-radius:99px;font-size:12px;font-weight:600;
  background:var(--lav-50);color:var(--plum-600);border:1px solid var(--lav-200);letter-spacing:.6px}
.tag.gold{background:var(--gold-100);color:var(--gold-700);border-color:var(--gold-300)}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s;
  background:rgba(253,252,250,.86);backdrop-filter:blur(16px);border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(253,252,250,.95);border-bottom-color:var(--line-warm);
  box-shadow:0 6px 28px rgba(36,22,64,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:11px}
.logo-mark{width:42px;height:42px;border-radius:13px;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--plum-600),var(--plum-950));color:var(--gold-200);
  font-family:"Songti SC","STSong",serif;font-size:21px;font-weight:700;
  border:1px solid rgba(212,174,98,.55);box-shadow:0 6px 18px rgba(36,22,64,.28)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:17.5px;color:var(--ink);letter-spacing:1.4px}
.logo-text i{font-style:normal;font-size:9.5px;letter-spacing:2.6px;color:var(--gold-600)}
.nav{display:flex;align-items:center;gap:30px}
.nav > a{font-size:15px;color:var(--body);position:relative;padding:6px 0;transition:.2s}
.nav > a:hover{color:var(--plum-700)}
.nav > a.active{color:var(--plum-800);font-weight:600}
/* 导航里的按钮（登录 / 注册、会员中心）用白字，避免被导航链接色覆盖 */
.nav > a.nav-cta,.nav > a.btn-primary{color:#fff}
.nav > a.nav-cta:hover,.nav > a.btn-primary:hover{color:#fff}
.nav > a.active::after{content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--gold-grad)}
.nav-cta{padding:10px 22px;font-size:14.5px}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.nav-toggle.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:154px 0 104px;overflow:hidden;
  background:
    radial-gradient(1100px 560px at 82% 4%,rgba(212,174,98,.20),transparent 62%),
    radial-gradient(820px 520px at 4% 96%,rgba(96,64,168,.42),transparent 64%),
    linear-gradient(152deg,#081a30 0%,#122a4c 46%,#102a4e 100%);}
.hero::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:var(--gold-line);opacity:.7}
.hero::after{content:"";position:absolute;width:660px;height:660px;border-radius:50%;top:-260px;right:-160px;
  background:radial-gradient(circle,rgba(226,199,141,.16),transparent 66%)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.hero .eyebrow{color:var(--gold-300)}
.hero .h1{color:#fbf8f2;margin:18px 0 20px;text-shadow:0 2px 30px rgba(0,0,0,.35)}
.hero .h1 em{font-style:normal;
  background:linear-gradient(115deg,#faf0d2 0%,#dcbb72 48%,#c39a45 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.hero p{color:rgba(247,242,232,.82);font-size:16px;max-width:520px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-note{margin-top:26px;font-size:12.5px;color:rgba(247,242,232,.55)}
.hero-visual{position:relative}
.hero-visual .glow{position:absolute;inset:6% 10%;border-radius:50%;filter:blur(50px);
  background:radial-gradient(circle,rgba(226,199,141,.35),transparent 70%)}
.hero-card{position:relative;background:rgba(255,255,255,.07);border:1px solid rgba(212,174,98,.34);
  border-radius:var(--r-l);padding:22px;backdrop-filter:blur(12px);
  box-shadow:var(--sh-l),inset 0 1px 0 rgba(255,255,255,.12)}
.hero-badges{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.hero-badge{background:rgba(255,255,255,.06);border:1px solid rgba(212,174,98,.26);border-radius:var(--r-s);padding:14px 16px}
.hero-badge b{display:block;color:var(--gold-200);font-size:22px;font-weight:700;
  font-family:"Songti SC","STSong",serif}
.hero-badge span{font-size:12.5px;color:rgba(247,242,232,.7)}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border-radius:var(--r-m);
  border:1px solid var(--line-warm);box-shadow:var(--sh-m);margin:-54px auto 0;max-width:1000px;
  position:relative;z-index:5;overflow:hidden}
.stats::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold-grad)}
.stat{padding:28px 18px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:31px;font-weight:800;font-family:"Songti SC","STSong",serif;
  background:linear-gradient(120deg,#a87f2f,#dcbb72 55%,#8a6524);
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.stat span{font-size:13px;color:var(--muted);letter-spacing:.6px}

/* ---------- 页面小横幅 ---------- */
.page-hero{padding:138px 0 66px;color:#fbf8f2;position:relative;overflow:hidden;
  background:
    radial-gradient(820px 420px at 86% 0%,rgba(212,174,98,.20),transparent 62%),
    linear-gradient(140deg,#081a30,#15305a 60%,#1d4578)}
.page-hero::after{content:"";position:absolute;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,199,141,.16),transparent 70%);top:-200px;right:-120px}
.page-hero .container{position:relative;z-index:2}
.page-hero .h1{color:#fbf8f2;font-size:clamp(26px,3.4vw,40px)}
.page-hero p{color:rgba(247,242,232,.8);margin-top:14px;max-width:640px}
.crumb{font-size:12.5px;color:rgba(226,199,141,.8);margin-bottom:14px;letter-spacing:.8px}
.crumb a:hover{color:#fff}

/* ---------- 产品 / 体系卡片 ---------- */
.tier{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;transition:.3s}
.tier:hover{transform:translateY(-6px);box-shadow:var(--sh-m);border-color:rgba(212,174,98,.5)}
.tier-top{height:132px;position:relative;display:grid;place-items:center;
  background:linear-gradient(135deg,#fdfaf3,#f0e2c4)}
.tier-top::after{content:"";position:absolute;inset:0;border-bottom:1px solid var(--line-warm)}
.tier-top.hot{background:linear-gradient(135deg,#16345c,#050d18)}
.tier-body{padding:20px 22px 24px}
.tier-body h3{font-size:17.5px;color:var(--ink);margin-bottom:4px}
.tier-body .boxes{font-size:12.5px;color:var(--gold-600);font-weight:600;letter-spacing:1.2px}
.tier-body p{font-size:13.5px;color:var(--body);margin-top:10px}
.tier-body ul{margin-top:14px;font-size:13.5px;color:var(--body)}
.tier-body li{padding-left:18px;position:relative;margin-bottom:5px}
.tier-body li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--gold-400)}
.tier-price{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-warm);
  display:flex;justify-content:space-between;align-items:baseline}
.tier-price b{font-size:22px;color:var(--gold-700);font-family:"Songti SC",serif}
.tier-price span{font-size:12.5px;color:var(--muted)}
.tier-flag{position:absolute;top:14px;right:14px;z-index:3}

/* ---------- 优势 ---------- */
.feature{background:#fff;border-radius:var(--r-m);padding:28px;border:1px solid var(--line);transition:.3s}
.feature:hover{box-shadow:var(--sh-m);transform:translateY(-5px);border-color:rgba(212,174,98,.5)}
.feature .ico{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,#fdf8ec,#f0e2c4);border:1px solid rgba(212,174,98,.4)}
.feature h3{font-size:17px;color:var(--ink);margin-bottom:8px}
.feature p{font-size:14px;color:var(--body)}

/* ---------- 流程 ---------- */
.steps{counter-reset:s;display:grid;gap:18px}
.step{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:22px 24px;transition:.3s}
.step:hover{border-color:rgba(212,174,98,.5);box-shadow:var(--sh-s);transform:translateX(3px)}
.step-n{flex:none;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--plum-600),var(--plum-950));color:var(--gold-200);
  font-weight:700;font-size:17px;border:1px solid rgba(212,174,98,.45);
  font-family:"Songti SC","STSong",serif}
.step h3{font-size:16.5px;color:var(--ink);margin-bottom:4px}
.step p{font-size:14px}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-m);background:#fff;box-shadow:var(--sh-s);
  -webkit-overflow-scrolling:touch}
/* 宽表在小屏可横向滑动：main.js 检测溢出后在表格下方插入提示条（滚过一次自动隐藏） */
.scroll-tip{display:none}
@media(max-width:980px){
  .scroll-tip{display:block;margin-top:7px;text-align:center;font-size:11.5px;letter-spacing:1.5px;
    color:var(--gold-700);opacity:.85;transition:opacity .4s}
  .scroll-tip.hinted{opacity:0}
}
table.data{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
table.data th,table.data td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--line)}
table.data th{background:linear-gradient(180deg,var(--plum-700),var(--plum-800));color:var(--gold-200);
  font-weight:600;white-space:nowrap;letter-spacing:.8px;border-bottom:1px solid rgba(212,174,98,.45)}
table.data td.l,table.data th.l{text-align:left}
table.data tr:last-child td{border-bottom:none}
table.data tbody tr:hover{background:#fdfbf5}
table.data .money{color:var(--gold-700);font-weight:700;font-variant-numeric:tabular-nums}
table.data tbody tr:nth-child(even){background:#fdfcfa}

/* ---------- 汇算器 ---------- */
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:26px;box-shadow:var(--sh-s)}
.calc + .calc{margin-top:22px}
.calc h3{font-size:18px;color:var(--ink);display:flex;align-items:center;gap:10px;margin-bottom:6px}
.calc h3 .n{width:26px;height:26px;border-radius:50%;background:linear-gradient(140deg,var(--plum-600),var(--plum-900));
  color:var(--gold-200);font-size:13px;display:grid;place-items:center;flex:none;
  border:1px solid rgba(212,174,98,.5)}
.calc .hint{font-size:13px;color:var(--muted);margin-bottom:16px}
.fields{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-end}
.field{flex:1;min-width:158px;max-width:300px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field select,.field input{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:11px;
  background:#fdfcfa;outline:none;transition:.2s}
.field select:focus,.field input:focus{border-color:var(--gold-400);background:#fff;
  box-shadow:0 0 0 3px rgba(212,174,98,.14)}
.mini{width:88px;padding:7px 8px;text-align:center;border:1.5px solid var(--line);border-radius:9px;
  background:#fdfcfa;outline:none;font-size:14px}
.mini:focus{border-color:var(--gold-400);background:#fff}
tr.mine{background:linear-gradient(90deg,rgba(212,174,98,.14),rgba(212,174,98,.04)) !important;font-weight:600}
.summary{margin-top:24px;background:
    radial-gradient(560px 300px at 92% 0%,rgba(212,174,98,.22),transparent 62%),
    linear-gradient(130deg,#102a4e,#081a30);
  border:1px solid rgba(212,174,98,.4);border-radius:var(--r-m);
  padding:26px 28px;color:#f7f2e8;display:flex;flex-wrap:wrap;gap:22px;justify-content:space-between;align-items:center;
  box-shadow:0 18px 50px rgba(15,8,32,.28)}
.summary .cell{text-align:center;min-width:96px}
.summary .cell b{display:block;font-size:19px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--gold-200)}
.summary .cell span{font-size:12px;color:rgba(247,242,232,.62);letter-spacing:.6px}
.summary .total b{font-size:36px;font-weight:800;font-variant-numeric:tabular-nums;
  font-family:"Songti SC","STSong",serif;
  background:linear-gradient(115deg,#faf0d2,#dcbb72 60%,#c39a45);
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.summary .total span{font-size:12.5px;color:rgba(247,242,232,.75);display:block;letter-spacing:.6px}
.summary > div:first-child > div:first-child{color:rgba(247,242,232,.66)}
.brackets{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(196px,100%),1fr));gap:10px;margin-top:16px}
.bk{border:1.5px solid var(--line);border-radius:11px;padding:10px 12px;font-size:13px;text-align:center;
  background:#fdfcfa;transition:.2s}
.bk:hover{border-color:rgba(212,174,98,.5)}
.bk.on{border-color:var(--gold-500);background:var(--gold-100);color:var(--gold-700);font-weight:700;
  box-shadow:0 6px 18px rgba(169,127,47,.16)}
.result-box{margin-top:16px;background:linear-gradient(120deg,#fdf9f0,#fdfcfa);border:1px solid var(--gold-200);
  border-radius:var(--r-s);padding:14px 18px;font-size:14px;color:var(--body)}
.result-box b{color:var(--gold-700)}
.warn{margin-top:18px;background:#fdfaf2;border:1px solid var(--gold-200);border-left:3px solid var(--gold-400);
  border-radius:var(--r-s);padding:16px 20px;font-size:13px;color:#7b5f1e;line-height:1.85}
.warn b{color:var(--gold-700)}

/* ---------- 加盟表单 ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:32px;box-shadow:var(--sh-m)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px}
.form-grid .full{grid-column:1/-1}
.form-grid label{display:block;font-size:13.5px;color:var(--ink);font-weight:600;margin-bottom:7px}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);
  border-radius:12px;background:#fdfcfa;outline:none;transition:.2s}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--gold-400);
  background:#fff;box-shadow:0 0 0 3px rgba(212,174,98,.14)}
.form-grid textarea{min-height:110px;resize:vertical}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:14px}
.form-ok{display:none;margin-top:18px;background:#f6fbf7;border:1px solid #cfe6d8;color:#0a7a45;
  border-radius:var(--r-s);padding:14px 18px;font-size:14px}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;background:#fff;box-shadow:var(--sh-s)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;text-align:left;padding:20px 24px;font-size:15.5px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;gap:16px;align-items:center;transition:.2s}
.faq-q:hover{background:#fdfbf5}
.faq-q i{flex:none;width:22px;height:22px;border-radius:50%;background:var(--gold-100);color:var(--gold-700);
  font-style:normal;display:grid;place-items:center;font-size:15px;line-height:1;transition:.3s;
  border:1px solid var(--gold-200)}
.faq-item.open .faq-q i{transform:rotate(45deg);
  background:linear-gradient(140deg,var(--plum-600),var(--plum-900));color:var(--gold-200);border-color:transparent}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px;font-size:14.5px}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;border-radius:var(--r-l);padding:58px 40px;text-align:center;color:#fbf8f2;
  border:1px solid rgba(212,174,98,.35);
  background:
    radial-gradient(620px 320px at 8% 0%,rgba(212,174,98,.22),transparent 62%),
    radial-gradient(520px 320px at 96% 100%,rgba(96,64,168,.4),transparent 62%),
    linear-gradient(130deg,#12294a,#081a30 62%,#050d18)}
.cta::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:var(--gold-line);opacity:.65}
.cta::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;bottom:-170px;right:-70px;
  background:radial-gradient(circle,rgba(226,199,141,.22),transparent 70%)}
.cta > *{position:relative;z-index:2}
.cta .h2{color:#fbf8f2}
.cta p{color:rgba(247,242,232,.8);margin:14px auto 28px;max-width:620px}
.cta .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:
    radial-gradient(700px 320px at 88% 0%,rgba(212,174,98,.12),transparent 62%),
    linear-gradient(180deg,#081a30,#040b14);
  color:rgba(247,242,232,.62);padding:66px 0 28px;border-top:1px solid rgba(212,174,98,.28)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.site-footer h4{color:var(--gold-200);font-size:15px;margin-bottom:16px;letter-spacing:1px;
  font-family:"Songti SC","STSong",serif}
.site-footer a:hover{color:var(--gold-200)}
.site-footer li{margin-bottom:9px;font-size:14px}
.footer-logo{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-logo b{color:#fbf8f2;font-size:17px;letter-spacing:1.4px}
.footer-about{font-size:13.5px;line-height:1.9;max-width:330px}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(212,174,98,.18);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(247,242,232,.46)}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .g4,.g5{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:flex}
  /* 下拉菜单挂在 header 内（absolute），避免 fixed 嵌套在部分真机浏览器
     与 backdrop-filter 组合产生定位/渲染异常；超出部分可滚动。
     用 display 切换而非 opacity 过渡——兼容性最好，任何环境都不会卡在隐藏帧 */
  .nav{position:absolute;top:100%;left:0;right:0;display:none;background:#fdfcfa;flex-direction:column;gap:0;align-items:stretch;
    padding:6px 22px 22px;box-shadow:0 22px 46px rgba(36,22,64,.16);
    border-bottom:1px solid var(--line-warm);
    max-height:calc(100vh - 74px);overflow-y:auto;-webkit-overflow-scrolling:touch}
  .nav.open{display:flex}
  .nav > a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav > a.active::after{display:none}
  .nav-cta{margin-top:16px;justify-content:center}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  /* 菜单展开时的遮罩（由 main.js 动态创建 .nav-backdrop） */
  .nav-backdrop{position:fixed;inset:0;z-index:99;background:rgba(8,18,36,.46);display:none}
  .nav-backdrop.on{display:block}
}
@media(max-width:640px){
  .section{padding:56px 0}
  .hero{padding:124px 0 84px}
  .g2,.g3,.g4,.g5{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta{padding:44px 22px}
  .summary{padding:22px;justify-content:center;text-align:center}
  .summary .total b{font-size:30px}
  .card,.calc,.form-card{padding:22px 18px}
  /* iOS：输入框字号 ≥16px，避免聚焦时页面自动放大 */
  input,select,textarea{font-size:16px}
  .field select,.field input,.form-grid input,.form-grid select,.form-grid textarea,
  .auth-card input,.auth-card select,.mini{font-size:16px}
  .auth-card input,.auth-card select{margin-bottom:13px}
  /* 细节收紧行距 */
  .sec-head{margin-bottom:34px}
  .page-hero{padding:118px 0 52px}
  .faq-q{padding:16px 18px;font-size:14.5px}
  .faq-a p{padding:0 18px 18px;font-size:14px}
  table.data th,table.data td{padding:12px 10px;font-size:13.5px}
  .footer-bottom{justify-content:center;text-align:center}
  .eyebrow{letter-spacing:2.6px}
}

/* =========================================================
   会员 / 分级权限 / 业绩模块
   ========================================================= */

/* ---------- 锁定态：表格行 ---------- */
table.data tr.locked td{filter:blur(3.4px);opacity:.4;user-select:none}
table.data tr.locked td:first-child{filter:none;opacity:1}
table.data tr.locked:hover{background:transparent}
.lock-note{display:inline-flex;align-items:center;gap:5px;margin-left:10px;padding:2px 10px;border-radius:99px;
  background:var(--gold-100);border:1px solid var(--gold-300);color:var(--gold-700);font-size:11.5px;
  font-weight:600;vertical-align:middle;white-space:nowrap}
.lock-note em{font-style:normal}
.lock-note svg{flex:none}

/* ---------- 锁定态：卡片 / 区块遮罩 ---------- */
[data-lock-level]{position:relative}
[data-lock-level].locked{overflow:hidden}
.lock-veil{position:absolute;inset:0;z-index:6;display:grid;place-items:center;border-radius:inherit;
  background:linear-gradient(180deg,rgba(253,252,250,.9),rgba(251,243,223,.94));
  backdrop-filter:blur(4px);border:1px solid rgba(212,174,98,.42)}
.lock-card{display:grid;justify-items:center;gap:7px;text-align:center;padding:14px;color:var(--gold-700)}
.lock-card svg{color:var(--gold-500)}
.lock-card b{font-size:15px;color:var(--plum-700);letter-spacing:.5px;font-family:"Songti SC","STSong",serif}
.lock-card span{font-size:12.5px;color:var(--muted)}
.lock-link{font-size:12.5px;color:var(--gold-700);border-bottom:1px solid var(--gold-300);padding-bottom:1px}
.lock-link:hover{color:var(--plum-700);border-color:var(--plum-600)}

/* ---------- 登录可见区块 ---------- */
.auth-veiled{position:relative}
.auth-veiled > *:not(.auth-veil){filter:blur(7px);opacity:.35;pointer-events:none;user-select:none}
.auth-veil{position:absolute;inset:0;z-index:7;display:grid;place-items:center;border-radius:inherit;
  background:rgba(253,252,250,.55);backdrop-filter:blur(3px)}
[data-auth-theme="dark"].auth-veiled .auth-veil{background:rgba(12,6,24,.6)}
.auth-pill{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;max-width:92%;
  padding:14px 22px;border-radius:99px;background:#fff;border:1px solid rgba(212,174,98,.5);
  box-shadow:0 14px 34px rgba(36,22,64,.18);font-size:14px;color:var(--body)}
.auth-pill svg{color:var(--gold-600);flex:none}
[data-auth-theme="dark"].auth-veiled .auth-pill{background:rgba(255,255,255,.08);
  border-color:rgba(212,174,98,.45);color:#f2e6c9;box-shadow:none}
[data-auth-theme="dark"].auth-veiled .auth-pill svg{color:var(--gold-300)}

/* ---------- 登录 / 注册页 ---------- */
.auth-hero{padding:140px 0 58px;color:#fbf8f2;position:relative;overflow:hidden;
  background:
    radial-gradient(760px 380px at 84% 0%,rgba(212,174,98,.2),transparent 62%),
    linear-gradient(140deg,#081a30,#15305a 62%,#1d4578)}
.auth-hero h1{font-size:clamp(24px,3vw,34px)}
.auth-hero p{color:rgba(247,242,232,.78);margin-top:10px}
.auth-wrap{max-width:520px;margin:0 auto}
.auth-card{background:#fff;border:1px solid var(--line-warm);border-radius:var(--r-l);padding:32px;
  box-shadow:0 26px 70px rgba(15,8,32,.14);position:relative;overflow:hidden}
.auth-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold-grad)}
.tabs{display:flex;gap:8px;background:var(--lav-50);border:1px solid var(--line);border-radius:99px;padding:5px;margin-bottom:24px}
.tab{flex:1;padding:10px 0;border-radius:99px;font-size:14.5px;font-weight:600;color:var(--muted);transition:.25s;text-align:center}
.tab.on{background:linear-gradient(140deg,var(--plum-600),var(--plum-900));color:#fff;
  box-shadow:0 8px 20px rgba(36,22,64,.24)}
.auth-card label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px}
.auth-card input,.auth-card select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;
  background:#fdfcfa;outline:none;transition:.2s;margin-bottom:16px}
.auth-card input:focus,.auth-card select:focus{border-color:var(--gold-400);background:#fff;
  box-shadow:0 0 0 3px rgba(212,174,98,.14)}
.alert{display:none;margin-bottom:16px;padding:12px 16px;border-radius:12px;font-size:13.5px;line-height:1.7}
.alert.err{display:block;background:#fdf5f4;border:1px solid #eccfca;color:#a4442f}
.alert.ok{display:block;background:#f5faf6;border:1px solid #cfe6d8;color:#0a7a45}
.demo-box{margin-top:24px;padding-top:20px;border-top:1px dashed var(--line-warm)}
.demo-box h4{font-size:13.5px;color:var(--ink);margin-bottom:6px}
.demo-box p{font-size:12.5px;color:var(--muted);margin-bottom:12px}
.demo-accs{display:grid;gap:8px}
.demo-acc{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;
  padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:#fdfcfa;font-size:13.5px;
  color:var(--body);transition:.2s;text-align:left}
.demo-acc:hover{border-color:var(--gold-400);background:var(--gold-100);color:var(--plum-700)}
.demo-acc b{color:var(--plum-700)}
.demo-acc em{font-style:normal;font-size:12px;color:var(--muted)}

/* 演示账号默认折叠（仅内部测试用，访客不会直接看到级别清单） */
.demo-box>summary{cursor:pointer;font-size:13.5px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:10px;list-style:none;outline:none}
.demo-box>summary::-webkit-details-marker{display:none}
.demo-box>summary::after{content:"＋";color:var(--gold-600);font-weight:700}
.demo-box[open]>summary::after{content:"－"}
.demo-box>summary+p{margin-top:10px}

/* ---------- 访客合规提示块 ---------- */
.gate-points{counter-reset:gp}
.gate-points .card h3{font-size:15px;color:var(--gold-700);margin-bottom:8px}
.gate-points .card h3::before{counter-increment:gp;content:counter(gp,decimal-leading-zero) " · "}

/* ---------- 产品海报 / 检验报告图库 ---------- */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(184px,100%),1fr));gap:16px}
.pcard{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-s);overflow:hidden;transition:.25s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:rgba(212,174,98,.55)}
.pcard img{width:100%;aspect-ratio:1/1.414;object-fit:cover;object-position:top center;display:block;background:#fff}
.pcard span{display:block;padding:9px 10px;font-size:11.5px;line-height:1.5;color:var(--muted);text-align:center;border-top:1px solid var(--line)}
.pcard:hover span{color:var(--gold-700)}

/* ---------- 会员中心 ---------- */
.mem-card{position:relative;overflow:hidden;border-radius:var(--r-l);padding:30px 32px;color:#f7f2e8;
  border:1px solid rgba(212,174,98,.42);
  background:
    radial-gradient(520px 300px at 90% 0%,rgba(212,174,98,.24),transparent 62%),
    linear-gradient(130deg,#102a4e,#081a30)}
.mem-card::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:var(--gold-line);opacity:.7}
.mem-row{display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between;align-items:center;position:relative;z-index:2}
.mem-id{display:flex;align-items:center;gap:16px}
.mem-avatar{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:linear-gradient(140deg,var(--plum-600),var(--plum-950));border:1px solid rgba(212,174,98,.55);
  font-family:"Songti SC","STSong",serif;font-size:24px;color:var(--gold-200)}
.mem-id h2{font-size:21px;color:#fbf8f2;letter-spacing:.8px}
.mem-id .sub{font-size:13px;color:rgba(247,242,232,.66);margin-top:2px}
.badge-lv{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:99px;font-size:12px;
  font-weight:600;background:var(--gold-grad);color:#2a1a0c;box-shadow:0 6px 16px rgba(169,127,47,.28)}
.mem-meta{display:flex;gap:26px;flex-wrap:wrap;font-size:13px;color:rgba(247,242,232,.72)}
.mem-meta b{display:block;color:var(--gold-200);font-size:14px;font-weight:600;margin-top:3px;letter-spacing:.5px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px}
/* 检测数据卡按卡数定列数（cms.js 动态加 cols-N），minmax(0,1fr) 防内容撑破小屏 */
.kpis.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.kpis.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.kpi{background:#fff;border:1px solid var(--line-warm);border-radius:var(--r-m);padding:22px;text-align:center;transition:.28s}
.kpi:hover{box-shadow:var(--sh-m);transform:translateY(-4px);border-color:rgba(212,174,98,.5)}
.kpi b{display:block;font-size:27px;font-family:"Songti SC","STSong",serif;font-weight:800;
  background:linear-gradient(120deg,#a87f2f,#dcbb72 55%,#8a6524);
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.kpi span{font-size:12.5px;color:var(--muted);letter-spacing:.6px}
.kpi em{display:block;font-style:normal;font-size:11.5px;color:var(--gold-600);margin-top:4px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:26px;box-shadow:var(--sh-s);margin-top:22px}
.panel > h3{font-size:18px;color:var(--ink);display:flex;align-items:center;gap:10px;margin-bottom:6px}
.panel > h3 .n{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex:none;font-size:13px;
  background:linear-gradient(140deg,var(--plum-600),var(--plum-900));color:var(--gold-200);
  border:1px solid rgba(212,174,98,.5)}
.panel .hint{font-size:13px;color:var(--muted);margin-bottom:18px}
.form-row{display:grid;grid-template-columns:1.1fr 1.1fr .8fr 1.6fr auto;gap:12px;align-items:end}
.form-row .field{max-width:none;min-width:0}
.btn-sm{padding:11px 20px;font-size:14px}
table.mini-tbl{width:100%;border-collapse:collapse;font-size:14px}
table.mini-tbl th,table.mini-tbl td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left}
table.mini-tbl th{background:linear-gradient(180deg,var(--plum-700),var(--plum-800));color:var(--gold-200);
  font-weight:600;font-size:13px;letter-spacing:.6px;white-space:nowrap}
table.mini-tbl td.num{text-align:right;font-variant-numeric:tabular-nums;color:var(--gold-700);font-weight:600}
table.mini-tbl tbody tr:hover{background:#fdfbf5}
.tbl-x{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-m)}
.del-btn{color:#a4442f;font-size:12.5px;border-bottom:1px solid #eccfca}
.empty{padding:26px;text-align:center;color:var(--muted);font-size:13.5px}
.perm-wrap{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:12px}
.perm{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;font-size:14px;
  border:1px solid var(--line);background:#fdfcfa;color:var(--body)}
.perm i{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-style:normal;
  font-size:12px;font-weight:700}
.perm.on{border-color:rgba(212,174,98,.5);background:var(--gold-100);color:var(--plum-700)}
.perm.on i{background:linear-gradient(140deg,var(--plum-600),var(--plum-900));color:var(--gold-200)}
.perm.off{opacity:.72}
.perm.off i{background:#e8eff6;color:var(--muted)}
.perm em{margin-left:auto;font-style:normal;font-size:11.5px;color:var(--gold-700);white-space:nowrap}
.mods{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mod{position:relative;border:1px solid var(--line);border-radius:var(--r-m);padding:20px;background:#fff;transition:.28s}
.mod:hover{border-color:rgba(212,174,98,.5);box-shadow:var(--sh-s)}
.mod h4{font-size:15px;color:var(--ink);margin-bottom:6px}
.mod p{font-size:12.5px;color:var(--muted)}
.mod .need{margin-top:12px;display:inline-block;font-size:11.5px;padding:3px 10px;border-radius:99px;
  background:var(--gold-100);color:var(--gold-700);border:1px solid var(--gold-300)}
.mod.locked{background:#fdfcfa}
.mod.locked h4,.mod.locked p{opacity:.5}
.logout-link{font-size:12.5px;color:rgba(247,242,232,.7);border-bottom:1px solid rgba(212,174,98,.45);padding-bottom:1px}
.logout-link:hover{color:var(--gold-200)}

@media(max-width:980px){
  .kpis{grid-template-columns:1fr 1fr}
  .kpis.cols-2,.kpis.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mods{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .kpis,.mods,.form-row{grid-template-columns:1fr}
  .kpis.cols-2,.kpis.cols-3{grid-template-columns:minmax(0,1fr)}
  .kpi b{font-size:24px}
  .mem-card{padding:24px 20px}
  .mem-row{gap:18px}
  .auth-card{padding:24px 20px}
}
/* =========================================================
   国际范视觉升级层（International Polish Layer）
   ---------------------------------------------------------
   手法：西文衬线字体栈（Didot/Bodoni × 宋体）· 方角按钮 ·
   拉开字距 · 大留白节奏 · 细金线装饰 · 英文大字水印。
   全部为向后覆盖，整段删除即可回到上一版。
   ========================================================= */

/* ---------- 0. 设计令牌 ---------- */
:root{
  --r-s:10px; --r-m:14px; --r-l:20px;
  --sh-m:0 18px 48px rgba(36,22,64,.10);
  --font-serif:"Didot","Bodoni MT","Playfair Display",Georgia,"Times New Roman","Songti SC","STSong","Noto Serif SC",SimSun,serif;
}
.serif{font-family:var(--font-serif)}

/* ---------- 1. 全局质感细节 ---------- */
body{text-rendering:optimizeLegibility}
::selection{background:rgba(212,174,98,.32);color:var(--ink)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--gold-300),var(--gold-500));
  border-radius:99px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--gold-500)}
[id]{scroll-margin-top:94px}

/* ---------- 2. 排印：衬线标题 + 呼吸感字距 ---------- */
.h1{font-size:clamp(32px,4.6vw,58px);line-height:1.18;letter-spacing:.03em}
.h2{font-size:clamp(26px,3.1vw,40px);line-height:1.26;letter-spacing:.04em}
.h3{letter-spacing:.05em}
.lead{font-size:16px;line-height:1.95;color:#5a6678}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:11px;letter-spacing:.36em;font-weight:600}
.eyebrow::before{content:"";width:36px;height:1px;flex:none;background:var(--gold-grad)}
/* 居中区块标题：两侧对称短金线 */
.sec-head .eyebrow::after{content:"";width:36px;height:1px;flex:none;background:var(--gold-grad)}
.sec-head{margin-bottom:56px}
.sec-head .h2{margin:14px 0 18px}
.sec-head .h2::after{width:56px;height:1px;margin-top:20px}
.sec-head .lead{max-width:640px;margin:0 auto}

/* ---------- 3. Hero：英文大字水印 + 更大留白 ---------- */
.hero{padding:172px 0 120px}
.hero .h1{letter-spacing:.035em}
.hero p{font-size:16.5px}
.hero .container::before{
  content:"NUOJU" / "";position:absolute;top:-64px;right:-26px;z-index:0;
  font-family:var(--font-serif);font-size:clamp(88px,12.5vw,185px);font-weight:700;
  letter-spacing:.1em;line-height:1;color:transparent;pointer-events:none;user-select:none;
  -webkit-text-stroke:1px rgba(226,199,141,.15)}
.hero .container{position:relative}
.hero .container > *{position:relative;z-index:1}
.hero-btns{margin-top:38px}
.hero .btn{padding:14px 34px}
/* 内页横幅同款小水印 */
.page-hero .container::before{
  content:"NUOJU" / "";position:absolute;top:-26px;right:0;z-index:0;
  font-family:var(--font-serif);font-size:clamp(64px,8.5vw,120px);font-weight:700;
  letter-spacing:.1em;line-height:1;color:transparent;pointer-events:none;user-select:none;
  -webkit-text-stroke:1px rgba(226,199,141,.12)}
.auth-hero .container::before{
  content:"NUOJU" / "";position:absolute;top:-26px;right:0;z-index:0;
  font-family:var(--font-serif);font-size:clamp(64px,8.5vw,120px);font-weight:700;
  letter-spacing:.1em;line-height:1;color:transparent;pointer-events:none;user-select:none;
  -webkit-text-stroke:1px rgba(226,199,141,.12)}
.page-hero .container,.auth-hero .container{position:relative}
.page-hero .container > *,.auth-hero .container > *{position:relative;z-index:1}

/* ---------- 4. 导航：hover 金线生长 ---------- */
.header-inner{height:80px}
.nav > a{font-size:14.5px;letter-spacing:.1em;padding:8px 0}
.nav > a::before{content:"";position:absolute;left:50%;bottom:0;height:1.5px;width:0;
  transform:translateX(-50%);background:var(--gold-grad);transition:width .32s ease}
.nav > a:hover::before{width:100%}
.nav > a.active::after{bottom:0}
.logo-text b{letter-spacing:2.2px}
.logo-text i{letter-spacing:3.4px}

/* ---------- 5. 按钮 / 标签：方角高奢化 ---------- */
.btn{border-radius:3px;letter-spacing:.14em;font-size:14px;padding:13px 30px}
.tag{border-radius:2px;letter-spacing:.08em}
.tabs{border-radius:5px}
.tab{border-radius:3px}
.badge-lv,.lock-note,.mod .need{border-radius:2px}
.auth-pill{border-radius:4px}
.btn-login,.btn-primary{letter-spacing:.14em}

/* ---------- 6. 卡片：更收敛的悬浮 ---------- */
.card:hover,.feature:hover,.tier:hover{transform:translateY(-3px)}
.card,.feature{box-shadow:var(--sh-s)}

/* ---------- 7. 数字：西文衬线 ---------- */
.stat b,.kpi b,.hero-badge b,.tier-price b,.summary .total b,.mem-avatar,.lock-card b{
  font-family:var(--font-serif)}
.stat b{font-size:34px;font-weight:700;letter-spacing:.02em}
.kpi b{letter-spacing:.02em}
.stats::before{height:2px}
.stat span{letter-spacing:1.2px}

/* ---------- 8. 章节节奏：更疏朗 ---------- */
.section{padding:96px 0}
@media(max-width:980px){
  .section{padding:72px 0}
  .header-inner{height:80px}
  .nav{max-height:calc(100vh - 80px)}
  .sec-head{margin-bottom:42px}
}
@media(max-width:640px){
  .section{padding:58px 0}
  .hero{padding:128px 0 88px}
  .hero .container::before{font-size:clamp(72px,24vw,110px);top:-4px}
  .page-hero .container::before,.auth-hero .container::before{font-size:clamp(52px,17vw,90px)}
  .eyebrow{letter-spacing:.28em}
  .eyebrow::before{width:22px}
  .sec-head .eyebrow::after{width:22px}
  .btn{letter-spacing:.1em;padding:13px 26px}
}

/* ---------- 9. 表格 / 图库细节 ---------- */
table.data th{letter-spacing:.16em;font-size:13px;
  background:linear-gradient(180deg,var(--plum-800),var(--plum-900))}
.pcard img{transition:transform .65s cubic-bezier(.22,.61,.36,1)}
.pcard:hover img{transform:scale(1.045)}
.pcard span{letter-spacing:.06em}

/* ---------- 10. 页脚 ---------- */
.site-footer h4{font-size:14px;letter-spacing:.22em;font-family:var(--font-serif)}
.footer-logo b{letter-spacing:2.2px}
.footer-bottom{letter-spacing:.05em}

/* ---------- 11. 减少动态偏好 ---------- */
@media(prefers-reduced-motion:reduce){
  .nav > a::before{transition:none}
  .pcard img{transition:none}
}

/* =========================================================
   全站图片水印（.wm-box / .wm-layer，main.js 注入）
   ========================================================= */
.wm-box{position:relative;display:block;max-width:100%}
.wm-box > img{display:block}
.wm-layer{position:absolute;inset:0;z-index:3;pointer-events:none;user-select:none;
  background-repeat:repeat;transition:transform .65s cubic-bezier(.22,.61,.36,1)}
/* 与产品图 hover 缩放保持同步，避免水印错位 */
.wm-box:hover .wm-layer{transform:scale(1.045)}

/* =========================================================
   图片防下载 + 灯箱放大（.lb-*，main.js 注入）
   水印已烘焙进图片文件（tools/bake-watermark.py），
   灯箱负责站内放大，右键 / 长按 / 拖拽保存被禁用。
   ========================================================= */
img{-webkit-user-drag:none;user-drag:none;-webkit-touch-callout:none}
.pcard,.lb-open{cursor:pointer}
.pcard:focus-visible,.lb-open:focus-visible{outline:2px solid var(--gold-400);outline-offset:2px}
html.lb-lock,html.lb-lock body{overflow:hidden}

.lb{position:fixed;inset:0;z-index:9999;display:none}
.lb.open{display:block}
.lb-backdrop{position:absolute;inset:0;background:rgba(5,11,22,.94)}
.lb-img{position:absolute;left:50%;top:50%;transform-origin:center center;
  max-width:92vw;max-height:88vh;width:auto;height:auto;
  translate:-50% -50%;cursor:grab;touch-action:none;user-select:none;
  box-shadow:0 24px 80px rgba(0,0,0,.5)}
.lb-img:active{cursor:grabbing}
.lb-cap{position:absolute;left:50%;bottom:64px;translate:-50%;max-width:86vw;
  color:rgba(240,226,196,.92);font-size:13.5px;letter-spacing:.06em;text-align:center;
  text-shadow:0 1px 6px rgba(0,0,0,.6);pointer-events:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-count{position:absolute;left:22px;top:18px;color:rgba(240,226,196,.75);
  font-size:13px;letter-spacing:.14em;font-family:"Didot","Bodoni MT",Georgia,serif;pointer-events:none}
.lb-tip{position:absolute;left:50%;bottom:26px;translate:-50%;color:rgba(240,226,196,.42);
  font-size:11px;letter-spacing:.1em;pointer-events:none;white-space:nowrap}
.lb-bar{position:absolute;right:18px;top:16px;display:flex;gap:8px}
.lb-btn{width:40px;height:40px;border:1px solid rgba(240,226,196,.28);border-radius:9px;
  background:rgba(16,28,48,.72);color:#f0e2c4;font-size:16px;line-height:1;cursor:pointer;
  backdrop-filter:blur(6px);transition:border-color .2s,background .2s}
.lb-btn:hover{border-color:rgba(226,199,141,.7);background:rgba(30,46,74,.85)}
.lb-nav{position:absolute;top:50%;translate:0 -50%;width:52px;height:52px;border-radius:50%;
  border:1px solid rgba(240,226,196,.28);background:rgba(16,28,48,.72);color:#f0e2c4;
  font-size:26px;line-height:1;cursor:pointer;backdrop-filter:blur(6px)}
.lb-prev{left:16px}.lb-next{right:16px}
.lb-nav:hover{border-color:rgba(226,199,141,.7)}
@media(max-width:640px){
  .lb-nav{width:42px;height:42px;font-size:21px}
  .lb-prev{left:8px}.lb-next{right:8px}
  .lb-cap{bottom:56px;font-size:12px}
  .lb-tip{display:none}
  .lb-btn{width:36px;height:36px}
}
@media(prefers-reduced-motion:reduce){
  .lb-btn,.lb-nav{transition:none}
}