/* ============================================================
   贵州苗生堂生物科技有限公司 · AI 官网主样式
   设计语言：苗岭绿（品牌）× 蜡染靛蓝 × 苗绣朱砂 × 银饰暖金
            + AI 灵光（青玉色）智能体语言
   ============================================================ */

:root{
  /* 品牌绿 */
  --green-900:#123022; --green-800:#17392C; --green-700:#1F4E3D;
  --green-600:#2A6350; --green-500:#2E6B54; --green-300:#8FB6A2; --green-100:#E8F0EB;
  /* 金属 / 点缀 */
  --gold:#C8A45C; --gold-soft:#EBDFC4;
  /* 民族风 */
  --indigo:#1D3A55; --indigo-d:#12263A; --cinnabar:#B23A2E; --paper:#F7F2E8;
  /* AI 灵光 */
  --ai:#2FC9B9; --ai-deep:#179C8E; --ai-glow:rgba(47,201,185,.45);
  /* 中性 */
  --ink:#1A1C1B; --ink-soft:#4A554F; --line:#E3E0D6; --bg:#FBF9F4; --bg-soft:#F2EEE4;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --shadow-1:0 2px 10px rgba(18,48,34,.08);
  --shadow-2:0 12px 40px rgba(18,48,34,.14);
  --shadow-ai:0 10px 40px var(--ai-glow);
  --radius:14px;
  --maxw:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans); color:var(--ink); background:var(--bg);
  line-height:1.7; -webkit-font-smoothing:antialiased; text-wrap:pretty;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.container{width:min(var(--maxw),92vw);margin-inline:auto}
h1,h2,h3,h4{font-family:var(--font-serif);line-height:1.25;letter-spacing:.02em;color:var(--green-900)}
section{position:relative}

/* 民族织带分隔条 */
.ribbon{height:14px;background-color:var(--indigo);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='14' viewBox='0 0 28 14'%3E%3Cpath d='M7 1 13 7 7 13 1 7Z' fill='none' stroke='%23F7F2E8' stroke-width='1.4'/%3E%3Cpath d='M21 1 27 7 21 13 15 7Z' fill='%23B23A2E' opacity='.85'/%3E%3Ccircle cx='7' cy='7' r='1.6' fill='%23D9BC77'/%3E%3C/svg%3E");
  background-repeat:repeat-x;background-position:center}

/* ---------- 导航 ---------- */
.navbar{position:sticky;top:0;z-index:60;background:rgba(251,249,244,.86);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.navbar::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;
  background:repeating-linear-gradient(90deg,var(--indigo) 0 10px,var(--gold) 10px 14px,var(--cinnabar) 14px 18px,var(--gold) 18px 22px);opacity:.9}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:40px;height:40px;border-radius:4px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--cinnabar),#8E2C22);color:#fff;font-family:var(--font-serif);
  font-weight:700;font-size:20px;box-shadow:inset 0 0 0 2px rgba(255,255,255,.28)}
.brand-logo{height:46px;width:auto;flex:none;display:block;object-fit:contain}
.footer .brand-logo{height:40px}
.brand-name{font-family:var(--font-serif);font-weight:700;font-size:19px;color:var(--green-900);line-height:1.1}
.brand-sub{font-size:11px;color:var(--ink-soft);letter-spacing:.18em}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{font-size:15px;color:var(--ink-soft);position:relative;padding:6px 0;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:width .25s}
.nav-links a:hover{color:var(--green-700)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn{border:none;cursor:pointer;font-family:var(--font-sans);font-size:15px;font-weight:600;
  padding:11px 22px;border-radius:999px;transition:transform .2s,box-shadow .2s,background .25s;display:inline-flex;align-items:center;gap:8px}
.btn:active{transform:translateY(1px)}
.btn-gold{background:linear-gradient(135deg,var(--gold),#b8914c);color:#2a1f08;box-shadow:0 6px 18px rgba(200,164,92,.35)}
.btn-gold:hover{box-shadow:0 10px 26px rgba(200,164,92,.5)}
.btn-green{background:var(--green-700);color:#fff;box-shadow:var(--shadow-1)}
.btn-green:hover{background:var(--green-600)}
.btn-ghost{background:transparent;color:var(--green-800);border:1.5px solid var(--green-300)}
.btn-ghost:hover{border-color:var(--green-600);background:var(--green-100)}
.btn-ai{background:linear-gradient(135deg,var(--ai),var(--ai-deep));color:#06231f;box-shadow:var(--shadow-ai)}
.btn-ai:hover{box-shadow:0 12px 34px var(--ai-glow)}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--green-800);cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;
  background:#0c1f17}
.hero-bg{position:absolute;inset:0;background:url("../img/hero.jpg") center/cover no-repeat;
  transform:scale(1.05);animation:kenburns 14s ease-in-out infinite alternate}
@keyframes kenburns{to{transform:scale(1.14) translate(-1.5%,-1%)}}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,31,23,.92) 0%,rgba(11,31,23,.74) 42%,rgba(18,38,58,.42) 78%,rgba(18,38,58,.18) 100%)}
.hero-inner{position:relative;z-index:3;width:min(var(--maxw),92vw);margin-inline:auto;color:#fff;padding:60px 0}
.hero-tag{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);padding:7px 16px;border-radius:999px;font-size:13px;letter-spacing:.12em;margin-bottom:22px}
.ai-dot{width:9px;height:9px;border-radius:50%;background:var(--ai);box-shadow:0 0 0 0 var(--ai-glow);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 var(--ai-glow)}70%{box-shadow:0 0 0 12px rgba(47,201,185,0)}100%{box-shadow:0 0 0 0 rgba(47,201,185,0)}}
.hero h1{font-size:clamp(34px,5.6vw,68px);color:#fff;font-weight:900;letter-spacing:.04em;
  text-shadow:0 2px 30px rgba(0,0,0,.45);margin-bottom:18px}
.hero h1 .accent{color:var(--gold);position:relative}
.hero h1 .ai-accent{background:linear-gradient(120deg,var(--ai),#9af3e6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(15px,1.7vw,19px);max-width:620px;color:rgba(255,255,255,.86);margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-orb{position:absolute;right:6%;top:50%;transform:translateY(-50%);width:min(360px,34vw);aspect-ratio:1;z-index:2;
  border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(47,201,185,.55),rgba(47,201,185,.05) 60%,transparent 70%);
  box-shadow:0 0 90px var(--ai-glow);animation:float 7s ease-in-out infinite}
.hero-orb::before{content:"";position:absolute;inset:18%;border-radius:50%;
  background:radial-gradient(circle at 40% 35%,rgba(255,255,255,.5),rgba(47,201,185,.25) 55%,transparent 72%);
  border:1px solid rgba(255,255,255,.35)}
.hero-orb .core{position:absolute;inset:38%;border-radius:50%;background:linear-gradient(135deg,var(--ai),var(--ai-deep));
  box-shadow:0 0 40px var(--ai-glow),inset 0 0 20px rgba(255,255,255,.5);display:grid;place-items:center;color:#06231f;font-size:30px}
@keyframes float{0%,100%{transform:translateY(-50%)}50%{transform:translateY(-58%)}}
.hero-vmark{position:absolute;right:34px;top:50%;transform:translateY(-50%);writing-mode:vertical-rl;z-index:3;
  font-family:var(--font-serif);font-size:14px;letter-spacing:.5em;color:rgba(255,255,255,.5);
  border-right:1px solid rgba(255,255,255,.2);padding-right:12px;pointer-events:none}

/* 数据条 */
.stats{background:var(--indigo);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='30' viewBox='0 0 60 30'%3E%3Cpath d='M15 4 22 15 15 26 8 15Z' fill='none' stroke='%23F7F2E8' stroke-opacity='.10' stroke-width='1.2'/%3E%3Cpath d='M45 4 52 15 45 26 38 15Z' fill='none' stroke='%23D9BC77' stroke-opacity='.16' stroke-width='1.2'/%3E%3C/svg%3E");
  color:#fff}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:30px 0;text-align:center}
.stat b{font-family:var(--font-serif);font-size:clamp(26px,3.4vw,40px);font-weight:700;display:block;color:#fff}
.stat b i{color:var(--gold);font-style:normal}
.stat span{font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.08em}

/* ---------- 通用 section ---------- */
.section{padding:84px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 48px}
.section-head .kicker{display:inline-block;font-size:13px;letter-spacing:.28em;color:var(--ai-deep);font-weight:700;margin-bottom:12px}
.section-head h2{font-size:clamp(26px,3.6vw,42px);font-weight:700;margin-bottom:14px}
.section-head p{color:var(--ink-soft);font-size:16px}
.divider{width:64px;height:4px;margin:18px auto 0;
  background:repeating-linear-gradient(90deg,var(--green-700) 0 14px,var(--gold) 14px 18px,var(--cinnabar) 18px 22px,var(--gold) 22px 26px)}

/* ---------- AI 功能展示 ---------- */
.ai-section{background:linear-gradient(180deg,#0c1f17,#123022);color:#fff;position:relative;overflow:hidden}
.ai-section::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220'%3E%3Cg fill='none' stroke='%232FC9B9' stroke-opacity='.06' stroke-width='1.2'%3E%3Ccircle cx='110' cy='110' r='54'/%3E%3Ccircle cx='110' cy='110' r='34'/%3E%3Cpath d='M110 22v40M110 158v40M22 110h40M158 110h40'/%3E%3C/g%3E%3C/svg%3E")}
.ai-section .section-head h2{color:#fff}
.ai-section .section-head p{color:rgba(255,255,255,.72)}
.ai-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;position:relative;z-index:2}
.ai-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  padding:28px;position:relative;overflow:hidden;transition:transform .3s,border-color .3s,background .3s}
.ai-card:hover{transform:translateY(-6px);border-color:var(--ai);background:rgba(47,201,185,.08)}
.ai-card .ic{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:26px;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(47,201,185,.22),rgba(47,201,185,.06));border:1px solid rgba(47,201,185,.3)}
.ai-card h3{color:#fff;font-size:20px;margin-bottom:10px}
.ai-card p{color:rgba(255,255,255,.72);font-size:14.5px}
.ai-card .tag{position:absolute;top:18px;right:18px;font-size:11px;letter-spacing:.1em;color:var(--ai);
  border:1px solid rgba(47,201,185,.4);padding:3px 10px;border-radius:999px}
.ai-card.feature{background:linear-gradient(135deg,rgba(47,201,185,.16),rgba(255,255,255,.03));border-color:rgba(47,201,185,.35)}

/* ---------- 业务板块 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.biz-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .3s,box-shadow .3s,border-color .3s}
.biz-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;z-index:2;
  background:repeating-linear-gradient(90deg,var(--green-700) 0 14px,var(--gold) 14px 18px,var(--cinnabar) 18px 22px,var(--gold) 22px 26px);opacity:0;transition:opacity .3s}
.biz-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:var(--gold)}
.biz-card:hover::before{opacity:1}
.biz-no{font-family:var(--font-serif);font-size:14px;letter-spacing:.2em;color:var(--gold);font-weight:700}
.biz-card h3{font-size:21px;margin:8px 0 6px}
.biz-card .en{font-size:12px;letter-spacing:.18em;color:var(--ink-soft);text-transform:uppercase;margin-bottom:14px}
.biz-card p{font-size:14.5px;color:var(--ink-soft);margin-bottom:16px}
.biz-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.biz-list li{position:relative;padding-left:20px;font-size:14px;color:var(--ink)}
.biz-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--gold);transform:rotate(45deg)}

/* ---------- 产品中心 ---------- */
.product-section{background:var(--bg-soft)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.prod-media{aspect-ratio:4/3;overflow:hidden;background:var(--green-100);position:relative}
.prod-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.prod-card:hover .prod-media img{transform:scale(1.06)}
.prod-cat{position:absolute;top:12px;left:12px;background:rgba(18,48,34,.82);color:#fff;font-size:12px;
  padding:4px 12px;border-radius:999px;letter-spacing:.05em}
.prod-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.prod-body h3{font-size:19px}
.prod-desc{font-size:13.5px;color:var(--ink-soft);flex:1}
.prod-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.prod-meta span{font-size:12px;background:var(--green-100);color:var(--green-700);padding:3px 10px;border-radius:6px}
.prod-reg{font-size:12px;color:var(--ai-deep);font-weight:600;letter-spacing:.02em}

/* ---------- 品质资质 ---------- */
.quality{background:var(--green-900);color:#fff;position:relative;overflow:hidden}
.quality::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220'%3E%3Cg fill='none' stroke='%23F7F2E8' stroke-opacity='.05' stroke-width='1.2'%3E%3Ccircle cx='110' cy='110' r='54'/%3E%3Ccircle cx='110' cy='110' r='34'/%3E%3Cpath d='M110 22v40M110 158v40M22 110h40M158 110h40'/%3E%3C/g%3E%3C/svg%3E")}
.quality .section-head h2{color:#fff}
.quality .section-head p{color:rgba(255,255,255,.72)}
.q-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;z-index:2}
.q-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px;
  transition:transform .3s,border-color .3s}
.q-card:hover{transform:translateY(-5px);border-color:var(--gold)}
.q-num{font-family:var(--font-serif);font-size:34px;color:var(--gold);font-weight:700;line-height:1}
.q-card h3{color:#fff;font-size:20px;margin:10px 0 10px}
.q-card p{color:rgba(255,255,255,.72);font-size:14px}
.q-card ul{list-style:none;margin-top:12px;display:flex;flex-direction:column;gap:7px}
.q-card li{position:relative;padding-left:18px;font-size:13.5px;color:rgba(255,255,255,.82)}
.q-card li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;background:var(--gold);transform:rotate(45deg)}
.cert-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:40px;position:relative;z-index:2}
.cert{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:12px 20px;
  font-size:13.5px;color:rgba(255,255,255,.9);display:flex;align-items:center;gap:9px}
.cert b{color:var(--gold);font-family:var(--font-serif)}

/* ---------- 招商加盟 ---------- */
.franchise{background:var(--paper);position:relative}
.fran-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.fran-text h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:16px}
.fran-text p{color:var(--ink-soft);margin-bottom:20px}
.fran-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:26px}
.fran-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink)}
.fran-list .ck{color:var(--ai-deep);font-weight:700;flex:none}
.fran-visual{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:4/3}
.fran-visual img{width:100%;height:100%;object-fit:cover}
.fran-visual::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(18,48,34,.5))}
.fran-badge{position:absolute;left:18px;bottom:18px;z-index:2;color:#fff}
.fran-badge b{font-family:var(--font-serif);font-size:22px;display:block}
.fran-badge span{font-size:13px;opacity:.85}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.news-tag{font-size:12px;letter-spacing:.05em;color:#fff;background:var(--green-600);display:inline-block;padding:4px 12px;align-self:flex-start;margin:18px 18px 0}
.news-date{font-size:12px;color:var(--ink-soft);margin:12px 18px 0}
.news-card h3{font-size:18px;margin:8px 18px 12px;padding:0}
.news-card p{font-size:13.5px;color:var(--ink-soft);margin:0 18px 20px;flex:1}

/* ---------- 联系 / CTA ---------- */
.cta-band{background:linear-gradient(135deg,var(--green-800),var(--green-900));color:#fff;position:relative;overflow:hidden;text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220'%3E%3Cg fill='none' stroke='%23F7F2E8' stroke-opacity='.06' stroke-width='1.2'%3E%3Ccircle cx='110' cy='110' r='54'/%3E%3Ccircle cx='110' cy='110' r='34'/%3E%3Cpath d='M110 22v40M110 158v40M22 110h40M158 110h40'/%3E%3C/g%3E%3C/svg%3E")}
.cta-band::after{content:"苗生堂";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none;
  font-family:var(--font-serif);font-size:clamp(90px,14vw,170px);font-weight:900;letter-spacing:.18em;color:rgba(255,255,255,.045);white-space:nowrap}
.cta-band .wrap{position:relative;z-index:2;width:min(var(--maxw),92vw);margin-inline:auto;padding:74px 0}
.cta-band h2{color:#fff;font-size:clamp(26px,3.6vw,40px);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.8);margin-bottom:28px;max-width:560px;margin-inline:auto}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info h3{font-size:24px;margin-bottom:16px}
.contact-info p{color:var(--ink-soft);margin-bottom:18px}
.channels{display:flex;flex-direction:column;gap:12px}
.channel{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;cursor:pointer;transition:border-color .2s,transform .2s,box-shadow .2s}
.channel:hover{border-color:var(--gold);transform:translateX(4px);box-shadow:0 6px 18px rgba(18,48,34,.08)}
.channel:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,164,92,.28)}
.channel .ci{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:20px;background:var(--green-100);flex:none}
.channel b{font-family:var(--font-serif);font-size:16px;color:var(--green-900)}
.channel span{font-size:13px;color:var(--ink-soft);display:block}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-1)}
.form-card h3{font-size:20px;margin-bottom:18px}
/* ---------- 联系方式卡片 ---------- */
.contact-methods{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.contact-methods h4{font-family:var(--font-serif);font-size:18px;color:var(--green-900);margin-bottom:2px}
.cm{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 16px;text-decoration:none;transition:border-color .2s,transform .2s,box-shadow .2s}
.cm:hover{border-color:var(--gold);transform:translateX(4px);box-shadow:var(--shadow-1)}
.cm-ic{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font-size:19px;background:var(--green-100);flex:none}
.cm-body{flex:1;min-width:0}
.cm-body b{font-family:var(--font-serif);font-size:15px;color:var(--green-900);display:block}
.cm-num{font-size:16px;font-weight:700;color:var(--gold);letter-spacing:.5px;display:block;margin-top:2px}
.cm-text{font-size:13px;color:var(--ink-soft);line-height:1.65;display:block;margin-top:2px}
.cm-body small{font-size:12px;color:var(--ink-soft);display:block;margin-top:3px;line-height:1.5}
.cm-call{flex:none;font-size:13px;color:#fff;background:var(--green-700);padding:6px 15px;border-radius:99px;letter-spacing:1px}
.cm-hot{border-color:var(--gold);background:linear-gradient(90deg,#fdf8ee,#fff)}
.cm-hot .cm-num{color:var(--cinnabar)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--ink-soft);margin-bottom:6px;font-weight:600}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-family:var(--font-sans);font-size:14px;background:var(--bg);transition:border-color .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--ai)}
.field textarea{resize:vertical;min-height:90px}
.form-note{font-size:12.5px;color:var(--ink-soft);margin-top:10px;text-align:center}
.form-ok{display:none;background:var(--green-100);border:1px solid var(--green-300);color:var(--green-800);
  border-radius:10px;padding:14px;font-size:14px;text-align:center;margin-top:14px}

/* ---------- 页脚 ---------- */
.footer{background:var(--indigo-d);color:rgba(255,255,255,.78);position:relative}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:repeating-linear-gradient(90deg,var(--gold) 0 12px,var(--cinnabar) 12px 20px,var(--gold) 20px 24px,var(--green-700) 24px 36px);opacity:.9}
.footer .container{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding:54px 0 30px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-family:var(--font-serif)}
.footer a{color:rgba(255,255,255,.7);font-size:14px;display:block;margin-bottom:9px;transition:color .2s}
.footer a:hover{color:var(--gold)}
.footer .brand-name{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:13px;color:rgba(255,255,255,.55);text-align:center}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .ai-grid,.biz-grid,.prod-grid,.q-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .fran-grid,.contact-grid{grid-template-columns:1fr;gap:28px}
  .hero-orb{opacity:.5;right:-6%}
  .footer .container{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .ai-grid,.biz-grid,.prod-grid,.q-grid,.news-grid,.stats .container,.fran-list{grid-template-columns:1fr}
  .hero-vmark{display:none}
  .footer .container{grid-template-columns:1fr}
  .section{padding:60px 0}
}
/* 移动端展开菜单 */
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:10px 4vw 20px;background:rgba(251,249,244,.98);border-bottom:1px solid var(--line)}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px 0;font-size:16px;color:var(--green-800);border-bottom:1px solid var(--line)}

/* ============ 产品卡片可点击（图片 / 标题 / 查看产品介绍） ============ */
a.prod-media{display:block;cursor:pointer}
a.prod-media::after{content:"";position:absolute;inset:0;background:var(--green-900);opacity:0;
  transition:opacity .25s;pointer-events:none}
a.prod-media:hover::after{opacity:.10}
.prod-body h3 a{color:inherit;transition:color .2s}
.prod-body h3 a:hover{color:var(--gold)}
.prod-more{display:inline-flex;align-items:center;gap:4px;margin-top:6px;font-size:13px;font-weight:700;
  color:var(--green-700);border-bottom:1.5px solid var(--gold);padding-bottom:2px;transition:color .2s,gap .2s}
.prod-more:hover{color:var(--gold);gap:9px}