/* ===== 贵州虹楠网络科技 — 视觉系统 v2 ===== */
:root{
  --bg:#0b1030;
  --bg-soft:#121a4a;
  --blue:#4dd2ff;
  --purple:#b388ff;
  --teal:#2ff5d6;
  --gold:#ffc15e;
  --white:#ffffff;
  --gray:#c3c4e0;
  --text-dim:#dadbf2;
  --glass-bg:rgba(255,255,255,0.05);
  --glass-border:rgba(255,255,255,0.12);
  --glass-strong:rgba(255,255,255,0.09);
  --blue-border:rgba(77,210,255,0.28);
  --purple-border:rgba(179,136,255,0.28);
  --teal-border:rgba(47,245,214,0.28);
  --gold-border:rgba(255,193,94,0.28);
  --pink:#ff7eb6;
  --pink-border:rgba(255,126,182,0.28);
  --radius:22px;
  --radius-sm:14px;
  --maxw:1200px;
  --nav-h:68px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  --font-num:"Inter Tight","Inter","DIN Alternate",var(--font);
  --shadow:0 18px 50px rgba(0,0,0,.45);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px)}
body{
  background:linear-gradient(180deg,var(--bg-soft),var(--bg) 62%);
  color:var(--white);
  font-family:var(--font);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  scrollbar-color:#3a3a78 #0b1030;
}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%}
button{font-family:inherit}

/* ===== 背景层：网格 + 极光 ===== */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(58% 48% at 24% 4%, rgba(179,136,255,0.34), transparent 62%),
    radial-gradient(48% 40% at 84% 12%, rgba(77,210,255,0.26), transparent 62%),
    radial-gradient(46% 44% at 48% 98%, rgba(47,245,214,0.20), transparent 62%),
    radial-gradient(34% 34% at 8% 62%, rgba(255,193,94,0.12), transparent 62%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
}

/* ===== 导航 ===== */
.nav{
  position:sticky;top:0;z-index:80;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 40px;
  background:rgba(11,16,48,0.62);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:background .25s,box-shadow .25s;
}
.nav.is-stuck{background:rgba(11,16,48,0.90);box-shadow:0 8px 30px rgba(0,0,0,.4)}
.nav__brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18px;letter-spacing:.5px}
/* 品牌标识：图标 + 文字组合（logo-icon.png 已内建圆角） */
.nav__logo{
  width:34px;height:34px;border-radius:10px;flex:none;display:block;
  box-shadow:0 4px 14px rgba(60,199,255,.24),0 0 0 1px rgba(255,255,255,.1);
}
.footer__brand .nav__logo{width:38px;height:38px;border-radius:11px}
.footer__brand .footer__latin{font-size:11px;letter-spacing:.28em;color:#6b6b82;margin-top:13px;text-transform:uppercase}
.footer__brand .footer__latin+p{margin-top:9px}
.nav__links{display:flex;gap:34px;font-size:15px}
.nav__links a{color:var(--gray);position:relative;padding:6px 0;transition:color .2s}
.nav__links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--blue),var(--purple));transition:right .25s;
}
.nav__links a:hover,.nav__links a.active{color:var(--white)}
.nav__links a.active::after,.nav__links a:hover::after{right:0}
.nav__cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 20px;border-radius:99px;font-weight:600;font-size:14.5px;
  background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;
  transition:transform .2s,box-shadow .2s;box-shadow:0 6px 20px rgba(77,210,255,.34);
}
.nav__cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(77,210,255,.5)}
.nav__burger{
  display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px;margin-right:-8px;
}
.nav__burger span{width:24px;height:2px;background:#fff;display:block;border-radius:2px;transition:transform .25s,opacity .2s}
.nav__burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger.is-open span:nth-child(2){opacity:0}
.nav__burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:13px 28px;border-radius:99px;font-weight:600;font-size:15.5px;
  cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
}
.btn--primary{
  background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;
  box-shadow:0 10px 30px rgba(77,210,255,.36);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(77,210,255,.52)}
.btn--ghost{background:rgba(255,255,255,.05);color:#fff;border-color:var(--glass-border)}
.btn--ghost:hover{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.22)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--block{width:100%}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:8px}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:min(500px,72vh);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:82px 20px 70px;overflow:hidden;
}
.hero__aurora{
  position:absolute;top:-160px;left:50%;transform:translateX(-50%);
  width:min(960px,120vw);height:440px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%, rgba(155,140,255,0.42), rgba(77,210,255,0.26) 54%, transparent 72%);
  filter:blur(34px);z-index:0;pointer-events:none;
}
.hero>*:not(.hero__bg):not(.hero__aurora){position:relative;z-index:1}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:99px;font-size:13.5px;letter-spacing:.4px;
  color:var(--teal);border:1px solid var(--teal-border);
  background:rgba(22,224,192,.07);margin-bottom:24px;
}
.hero__tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal)}
.hero__title{
  font-size:clamp(34px,6vw,60px);font-weight:800;line-height:1.16;letter-spacing:-.5px;
  margin-bottom:20px;max-width:16em;
  background:linear-gradient(180deg,#ffffff 25%,#c4dcf7);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__title em{font-style:normal;background:linear-gradient(100deg,var(--blue),var(--purple) 55%,var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{font-size:clamp(15px,2.2vw,18.5px);color:var(--gray);max-width:660px;margin:0 auto 34px}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.hero__back{display:inline-block;margin-bottom:22px;color:var(--gray);font-size:14px;transition:color .2s}
.hero__back:hover{color:#fff}
.hero__tags{justify-content:center;margin:0 auto 32px;max-width:820px}
.hero__trust{
  margin-top:38px;display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;
  color:#7d7d94;font-size:13.5px;
}
.hero__trust span{display:inline-flex;align-items:center;gap:7px}
.hero__trust span::before{content:"\2713";color:var(--teal);font-weight:700}

/* ===== Section ===== */
.section{max-width:var(--maxw);margin:0 auto;padding:76px 40px}
.section__head{margin-bottom:42px;max-width:700px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.6px;
  color:var(--blue);margin-bottom:12px;
}
.section__title{
  font-size:clamp(26px,3.6vw,36px);font-weight:800;line-height:1.3;margin-bottom:12px;letter-spacing:-.3px;
}
.section__desc{font-size:16.5px;color:var(--gray)}

/* ===== 玻璃卡片 ===== */
.glass{
  position:relative;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--radius);backdrop-filter:blur(10px);padding:30px 28px;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),border-color .28s,box-shadow .28s,background .28s;
}
.glass::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  background:linear-gradient(135deg,rgba(255,255,255,.07),transparent 45%);
  transition:opacity .3s;
}
.glass:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.2);box-shadow:var(--shadow);background:var(--glass-strong)}
.glass:hover::before{opacity:1}
.glass--blue{border-color:var(--blue-border)}
.glass--purple{border-color:var(--purple-border)}
.glass--teal{border-color:var(--teal-border)}
.glass--gold{border-color:var(--gold-border)}
.card__icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(60,199,255,.18),rgba(155,140,255,.18));
  border:1px solid var(--glass-border);
}
.glass--teal .card__icon{background:linear-gradient(140deg,rgba(22,224,192,.18),rgba(60,199,255,.12))}
.glass--gold .card__icon{background:linear-gradient(140deg,rgba(255,180,84,.18),rgba(155,140,255,.12))}
.card__title{font-size:19.5px;font-weight:700;margin-bottom:11px;letter-spacing:.2px}
.card__desc{font-size:14.8px;color:var(--text-dim);line-height:1.8}
.card__more{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  color:var(--blue);font-weight:600;font-size:14.5px;transition:gap .2s,opacity .2s;
}
.card__more:hover{gap:12px;opacity:.85}
.card__list{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.card__list li{position:relative;padding-left:20px;font-size:14.2px;color:var(--text-dim)}
.card__list li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--purple));
}

/* 标签 */
.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.tag{padding:6px 13px;border-radius:99px;font-size:13px;color:var(--text-dim);
  border:1px solid var(--glass-border);background:rgba(255,255,255,.03);transition:border-color .2s,color .2s}
.tag:hover{border-color:var(--blue-border);color:#fff}
.tag--solid{background:rgba(60,199,255,.12);color:#bfe9ff;border-color:var(--blue-border)}

/* 网格 */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-2b{display:grid;grid-template-columns:1.15fr 1fr;gap:44px;align-items:center}

/* 数据指标 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat{padding:32px 18px}
.stat__num{
  font-family:var(--font-num);font-size:clamp(32px,4.4vw,46px);font-weight:800;line-height:1.05;letter-spacing:-1px;
  background:linear-gradient(135deg,var(--blue),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat__label{color:var(--gray);font-size:14px;margin-top:10px}

/* 跑马灯 */
.marquee{
  overflow:hidden;position:relative;margin:26px 0 4px;
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.marquee__track{display:flex;gap:14px;width:max-content;animation:marquee 26s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__item{
  padding:9px 18px;border-radius:99px;font-size:14px;color:var(--text-dim);
  border:1px solid var(--glass-border);background:rgba(255,255,255,.025);white-space:nowrap;
  font-family:inherit;cursor:pointer;text-decoration:none;
  transition:color .2s,border-color .2s,background .2s,box-shadow .2s;
}
.marquee__item:hover,.marquee__item:focus-visible{
  color:#fff;border-color:rgba(77,210,255,.5);background:rgba(77,210,255,.12);
  box-shadow:0 6px 20px rgba(77,210,255,.18);outline:none;
}
.marquee__hint{margin-top:18px;text-align:center;color:var(--gray);font-size:13.5px}
@keyframes marquee{to{transform:translateX(-50%)}}
.marquee:focus-within .marquee__track{animation-play-state:paused}
@media (hover:none){.marquee__track{animation-duration:46s}}

/* 流程 */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.process__item{position:relative;padding:26px 20px 24px;border-radius:var(--radius);
  border:1px solid var(--glass-border);background:var(--glass-bg);transition:border-color .25s,transform .25s}
.process__item:hover{border-color:var(--blue-border);transform:translateY(-4px)}
.process__num{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  font-family:var(--font-num);font-weight:800;font-size:16px;color:#fff;
  background:linear-gradient(140deg,rgba(77,210,255,.34),rgba(155,140,255,.28));border:1px solid var(--glass-border);
}
.process__t{font-size:16.5px;font-weight:700;margin-bottom:8px}
.process__d{font-size:14px;color:var(--text-dim);line-height:1.75}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;font-size:14.6px;background:var(--glass-bg);
  border:1px solid var(--glass-border);border-radius:var(--radius-sm);overflow:hidden}
.tbl th,.tbl td{padding:15px 18px;border-bottom:1px solid var(--glass-border);text-align:left;vertical-align:top;line-height:1.75}
.tbl th{color:#dbe3f4;font-weight:600;background:rgba(255,255,255,.03);white-space:nowrap}
.tbl td{color:var(--text-dim)}
.tbl tr:last-child th,.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr:hover td{background:rgba(255,255,255,.02)}
.tbl-wrap{overflow-x:auto}
.tbl .hl{color:var(--teal);font-weight:600}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq__item{border:1px solid var(--glass-border);border-radius:var(--radius-sm);background:var(--glass-bg);overflow:hidden;transition:border-color .25s}
.faq__item[open]{border-color:var(--blue-border);background:rgba(255,255,255,.045)}
.faq__q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;cursor:pointer;font-size:16px;font-weight:600;list-style:none}
.faq__q::-webkit-details-marker{display:none}
.faq__q::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-size:17px;font-weight:700;color:var(--blue);border:1px solid var(--blue-border);transition:transform .25s,background .2s;
}
.faq__item[open] .faq__q::after{transform:rotate(45deg);background:rgba(60,199,255,.14)}
.faq__a{padding:0 22px 20px;font-size:14.6px;color:var(--text-dim);line-height:1.85}

/* CTA 横幅 */
.cta{
  max-width:var(--maxw);margin:56px auto;padding:66px 38px;text-align:center;position:relative;overflow:hidden;
  border-radius:28px;
  background:linear-gradient(135deg,rgba(60,199,255,.16),rgba(155,140,255,.09) 55%,rgba(22,224,192,.08));
  border:1px solid var(--glass-border);
}
.cta::after{
  content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:620px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(155,140,255,.3),transparent 70%);filter:blur(30px);
}
.cta>*{position:relative;z-index:1}
.cta__title{font-size:clamp(24px,3.4vw,34px);font-weight:800;margin-bottom:14px}
.cta__sub{color:var(--gray);margin-bottom:28px;font-size:16.5px;max-width:560px;margin-left:auto;margin-right:auto}

/* 页脚 */
.footer{border-top:1px solid var(--glass-border);padding:56px 40px 30px;margin-top:20px;background:rgba(0,0,0,.30)}
.footer__top{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:44px}
.footer__brand p{color:var(--gray);font-size:14px;margin-top:16px;line-height:1.8}
.footer__col h4{font-size:15px;margin-bottom:16px;color:#fff}
.footer__col a{display:block;color:var(--gray);margin-bottom:10px;font-size:14px;transition:color .2s,transform .2s}
.footer__col a:hover{color:#fff;transform:translateX(3px)}
.footer__contact p{color:var(--gray);font-size:14px;line-height:1.9;margin-bottom:8px}
.footer__contact a{color:#dfe4f2}
.footer__bottom{
  max-width:var(--maxw);margin:40px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;justify-content:space-between;
  color:#6c6c82;font-size:13px;
}
.footer__beian{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.footer__beian a{color:var(--gray);display:inline-flex;align-items:center}
.footer__beian a:hover{color:#fff}
.footer__beian img{height:14px;width:auto;vertical-align:middle;margin-right:5px;display:inline-block}

/* ===== 关于页 ===== */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tl-item{padding:26px 22px;border-left:2px solid var(--blue-border);position:relative}
.tl-item::before{
  content:"";position:absolute;left:-5px;top:30px;width:8px;height:8px;border-radius:50%;
  background:var(--blue);box-shadow:0 0 12px rgba(60,199,255,.8);
}
.tl-year{font-family:var(--font-num);font-size:28px;font-weight:800;color:var(--blue);margin-bottom:8px;letter-spacing:-.5px}
.tl-text{color:var(--text-dim);font-size:14.2px;line-height:1.8}

/* 能力矩阵 */
.matrix{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.matrix__cell{padding:22px;border-radius:var(--radius-sm);border:1px solid var(--glass-border);background:var(--glass-bg)}
.matrix__k{font-size:15px;font-weight:700;margin-bottom:8px;color:#fff}
.matrix__d{font-size:13.6px;color:var(--text-dim);line-height:1.75}

/* ===== 联系我们 / 表单 ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:start}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-card{display:flex;gap:16px;align-items:flex-start;padding:22px}
.contact-card__icon{
  width:42px;height:42px;border-radius:12px;flex:none;display:grid;place-items:center;font-size:18px;
  background:linear-gradient(140deg,rgba(60,199,255,.18),rgba(22,224,192,.16));border:1px solid var(--glass-border);
}
.contact-card__k{color:var(--gray);font-size:13.5px;margin-bottom:3px}
.contact-card__v{font-size:15.5px;font-weight:600;word-break:break-all}
.contact-card__v a:hover{color:var(--blue)}
.contact-card__v--mail{font-size:13.6px;letter-spacing:-.25px;word-break:normal}
.contact-card--wide{grid-column:1/-1}
.form{display:grid;gap:16px;padding:30px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column}
.field > label{font-size:13.5px;color:var(--gray);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border-radius:12px;font-size:15px;font-family:var(--font);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-border);color:#fff;outline:none;transition:border-color .2s,background .2s;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8a8aa0 50%),linear-gradient(135deg,#8a8aa0 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field select option{background:#121a4a;color:#fff}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);background:rgba(60,199,255,.06)}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:#ff6b81}
.field__err{color:#ff8b9d;font-size:12.5px;margin-top:6px;display:none}
.field.has-error .field__err{display:block}
/* 隐私同意勾选框 */
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.4px;color:var(--gray);cursor:pointer;line-height:1.65}
.check input{appearance:none;-webkit-appearance:none;width:17px;height:17px;margin-top:1px;flex:none;cursor:pointer;position:relative;border-radius:5px;border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.05);transition:background .18s,border-color .18s}
.check input:checked{background:linear-gradient(135deg,var(--blue),var(--purple));border-color:transparent}
.check input:checked::after{content:"";position:absolute;left:5px;top:2px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(43deg)}
.check input:focus-visible{outline:2px solid rgba(60,199,255,.55);outline-offset:2px}
.check a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.field--check .field__err{margin-left:27px}
.form__note{font-size:12.8px;color:#7d7d94;line-height:1.7}
.form .btn[hidden]{display:none}
.ph{color:#8e8ea6;font-weight:500;font-style:italic}
.tip-line{
  display:flex;gap:10px;align-items:flex-start;padding:13px 16px;border-radius:12px;font-size:13.5px;line-height:1.75;
  background:rgba(255,180,84,.08);border:1px solid var(--gold-border);color:#f3d8ae;
}
.form__success{
  display:none;gap:10px;padding:14px 16px;border-radius:12px;font-size:14.5px;
  background:rgba(22,224,192,.1);border:1px solid var(--teal-border);color:#a9f4e7;
}
.form__success.is-show{display:block}

/* ===== 微信二维码卡 ===== */
.qr-card__body{min-width:0;flex:1}
.qr-flex{display:flex;gap:22px;align-items:center;margin-top:12px;flex-wrap:wrap}
.qr-box{background:#fff;border-radius:14px;padding:10px;flex:none;line-height:0;
  box-shadow:0 8px 24px rgba(0,0,0,.24)}
.qr-box img{display:block;width:152px;height:152px}
.qr-tip{font-size:13.6px;color:var(--text-dim);line-height:1.85;max-width:330px;font-weight:500}
.qr-tip strong{display:block;color:#fff;font-size:15.5px;font-weight:700;margin-bottom:7px}

/* ===== AI 落地自测工具 ===== */
.assess{display:grid;grid-template-columns:1.05fr 1fr;gap:30px;align-items:start}
.assess__q{padding:26px;border-radius:var(--radius);border:1px solid var(--glass-border);background:var(--glass-bg)}
.assess__step{font-size:13px;color:var(--blue);letter-spacing:1px;margin-bottom:10px}
.assess__text{font-size:17px;font-weight:700;margin-bottom:16px;line-height:1.6}
.assess__inner{animation:assessIn .32s ease}
@keyframes assessIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.assess__opts{display:grid;gap:10px}
.assess__opt{
  display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:12px;cursor:pointer;font-size:14.8px;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.02);transition:border-color .2s,background .2s,transform .15s;
}
.assess__opt:hover{border-color:var(--blue-border);background:rgba(60,199,255,.06)}
.assess__opt input{accent-color:var(--blue);width:16px;height:16px}
.assess__opt.is-picked{border-color:var(--blue);background:rgba(60,199,255,.1)}
.assess__nav{display:flex;justify-content:space-between;gap:12px;margin-top:18px}
.assess__result{
  padding:28px;border-radius:var(--radius);border:1px solid var(--teal-border);
  background:linear-gradient(160deg,rgba(22,224,192,.1),rgba(60,199,255,.05));
}
.assess__score{font-family:var(--font-num);font-size:42px;font-weight:800;background:linear-gradient(135deg,var(--teal),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.assess__label{color:var(--gray);font-size:14px;margin:8px 0 16px}
.assess__list{display:flex;flex-direction:column;gap:9px;margin-bottom:20px}
.assess__list li{position:relative;padding-left:20px;font-size:14.4px;color:var(--text-dim);line-height:1.75}
.assess__list li::before{content:"\2192";position:absolute;left:0;color:var(--teal)}

/* 回到顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;font-size:18px;cursor:pointer;
  background:rgba(18,14,46,.86);border:1px solid var(--glass-border);backdrop-filter:blur(8px);
  color:#fff;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s,background .2s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:rgba(60,199,255,.22)}

/* 轻提示 */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);z-index:120;
  padding:12px 22px;border-radius:99px;font-size:14.5px;opacity:0;pointer-events:none;
  background:rgba(20,14,52,.94);border:1px solid var(--teal-border);color:#b8f7ec;
  transition:opacity .25s,transform .25s;box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* 滚动进场（默认可见；JS 生效后才由 body.js 接管隐藏，避免脚本失效导致内容不显示） */
.reveal{opacity:1;transform:none}
body.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
body.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  body.js .reveal{opacity:1;transform:none;transition:none}
  .marquee__track{animation:none}
  html{scroll-behavior:auto}
}

/* ===== 行业方案弹窗 ===== */
.ind-modal{position:fixed;inset:0;z-index:110;display:flex;align-items:center;justify-content:center;padding:24px}
.ind-modal[hidden]{display:none}
.ind-modal__mask{position:absolute;inset:0;background:rgba(7,9,30,.74);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.ind-modal__card{
  position:relative;z-index:1;width:100%;max-width:640px;max-height:86vh;overflow:auto;
  padding:32px 30px 26px;box-shadow:var(--shadow);
  animation:indIn .26s cubic-bezier(.2,.7,.3,1);
}
@keyframes indIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.ind-modal__x{
  position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.05);color:var(--text-dim);
  font-size:17px;line-height:1;cursor:pointer;font-family:inherit;
}
.ind-modal__x:hover,.ind-modal__x:focus-visible{color:#fff;border-color:rgba(60,199,255,.5);outline:none}
.ind-panel[hidden]{display:none}
.ind-panel__title{font-size:23px;letter-spacing:.4px;margin-bottom:10px}
.ind-panel__lead{color:var(--text-dim);font-size:14.5px;padding-left:13px;border-left:2px solid var(--purple-border)}
.ind-panel__block{margin-top:18px}
.ind-panel__block h4{font-size:13.5px;font-weight:700;letter-spacing:.6px;color:var(--blue);margin-bottom:9px}
.ind-panel__block ul{display:grid;gap:8px}
.ind-panel__block li{position:relative;padding-left:17px;color:var(--text-dim);font-size:14.5px}
.ind-panel__block li::before{content:"";position:absolute;left:3px;top:10px;width:5px;height:5px;border-radius:50%;background:var(--teal)}
.ind-panel__block p{color:var(--text-dim);font-size:14.5px}
.ind-panel__note{
  margin-top:16px;padding:12px 15px;border-radius:var(--radius-sm);
  background:rgba(255,180,84,.07);border:1px solid var(--gold-border);color:#f2d9b6;font-size:13.5px;
}
.ind-panel__foot{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;padding-top:20px;border-top:1px solid var(--glass-border)}
body.ind-open{overflow:hidden}
@media (max-width:640px){
  .ind-modal{padding:12px}
  .ind-modal__card{padding:26px 20px 20px;max-height:88vh}
  .ind-panel__title{font-size:20px}
  .ind-panel__foot .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){.ind-modal__card{animation:none}}


/* ===== 更靓丽的视觉增强 + 行业方案页 ===== */
.section--soft{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.012));border-radius:var(--radius);box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.acc-blue{--c1:var(--blue);--c2:var(--purple);--c1s:rgba(77,210,255,.32)}
.acc-purple{--c1:var(--purple);--c2:var(--pink);--c1s:rgba(179,136,255,.32)}
.acc-teal{--c1:var(--teal);--c2:var(--blue);--c1s:rgba(47,245,214,.32)}
.acc-gold{--c1:var(--gold);--c2:var(--pink);--c1s:rgba(255,193,94,.32)}
.acc-pink{--c1:var(--pink);--c2:var(--purple);--c1s:rgba(255,126,182,.32)}
.glass--pink{border-color:var(--pink-border)}
.ind-page .hero{padding-top:82px}
.ind-hero__icon{width:66px;height:66px;border-radius:18px;display:grid;place-items:center;font-size:30px;font-weight:800;color:#fff;margin:0 auto 22px;
  background:linear-gradient(140deg,var(--c1),var(--c2));box-shadow:0 12px 34px var(--c1s)}
.ind-pain{display:grid;gap:14px;margin-top:6px}
.ind-pain li{position:relative;padding:18px 20px 18px 58px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--text-dim);line-height:1.85;font-size:15px}
.ind-pain li::before{content:"";position:absolute;left:20px;top:24px;width:18px;height:18px;border-radius:6px;background:linear-gradient(140deg,var(--c1),var(--c2));box-shadow:0 0 0 4px var(--c1s)}
.ind-note{margin-top:18px;padding:14px 18px;border-radius:var(--radius-sm);background:rgba(255,193,94,.09);border:1px solid var(--gold-border);color:#f6dcab;font-size:14px;line-height:1.85}
.ind-svc .card__icon{background:linear-gradient(140deg,var(--c1),var(--c2));border-color:transparent}
.ind-rel .card__title{font-size:17px}
.ind-cross{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:8px}
.ind-cross a{padding:16px 10px;border-radius:var(--radius-sm);border:1px solid var(--glass-border);background:var(--glass-bg);text-align:center;font-size:14px;color:var(--text-dim);transition:border-color .2s,color .2s,transform .2s,background .2s}
.ind-cross a:hover{border-color:var(--c2);color:#fff;transform:translateY(-3px);background:rgba(255,255,255,.06)}
.ind-icard{display:block;color:inherit;text-decoration:none}
.ind-icard .card__desc{margin-bottom:0}
.ind-icard:hover{transform:translateY(-5px)}
@media(max-width:1100px){.ind-cross{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.ind-cross{grid-template-columns:repeat(2,1fr)}}
/* ===== 响应式 ===== */
@media(max-width:1100px){
  .process{grid-template-columns:repeat(3,1fr)}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media(max-width:960px){
  .nav{padding:0 20px}
  .nav__links{
    position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;gap:0;
    background:rgba(11,16,48,.97);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--glass-border);padding:6px 0;display:none;max-height:calc(100vh - var(--nav-h));overflow:auto;
  }
  .nav__links.open{display:flex}
  .nav__links a{padding:14px 24px;width:100%;color:var(--text-dim)}
  .nav__links a::after{display:none}
  .nav__links a.active{color:#fff;background:rgba(60,199,255,.07)}
  .nav__burger{display:flex}
  .nav__cta{display:none}
  .grid-4,.grid-3,.stats,.timeline{grid-template-columns:1fr 1fr}
  .grid-2,.grid-2b,.contact-wrap,.assess{grid-template-columns:1fr}
  .grid-2b{gap:32px}
  .process{grid-template-columns:1fr 1fr}
  .section{padding:56px 20px}
  .hero{padding:80px 16px 64px}
}
@media(max-width:620px){
  .grid-4,.grid-3,.stats,.timeline{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .contact-grid,.form__row{grid-template-columns:1fr}
  .process{grid-template-columns:1fr}
  .footer{padding:44px 20px 26px}
  .footer__top{grid-template-columns:1fr;gap:32px}
  .footer__bottom{justify-content:center;text-align:center}
  .cta{padding:48px 20px;margin:36px 16px}
  .glass{padding:24px 20px}
  .hero__trust{gap:6px 16px;font-size:12.5px}
  .qr-flex{gap:16px}
  .qr-box img{width:128px;height:128px}
}

/* ===== 行业页 hero 背景图 ===== */
.ind-page .hero{overflow:hidden}
.ind-page .hero__bg{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center 30%;background-repeat:no-repeat;
  opacity:.7;
}
.ind-page .hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(11,16,48,.34), rgba(11,16,48,.70) 70%, var(--bg) 100%),
    radial-gradient(60% 55% at 50% 0%, var(--c1s, rgba(77,210,255,.3)), transparent 72%);
}
.ind-page .hero>*:not(.hero__bg):not(.hero__aurora){position:relative;z-index:1}

/* ===== 邮箱门槛资源区（gated content） ===== */
.gate{
  position:relative;border:1px solid var(--glass-border);border-radius:var(--radius);
  background:linear-gradient(160deg, rgba(255,255,255,.06), rgba(255,255,255,.02));overflow:hidden;
}
.gate__head{padding:26px 28px 0}
.gate__badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;letter-spacing:.4px;
  color:var(--gold);border:1px solid var(--gold-border);background:rgba(255,193,94,.08);
  padding:5px 12px;border-radius:99px;margin-bottom:12px;
}
.gate__title{font-size:clamp(20px,2.6vw,26px);font-weight:800;margin-bottom:8px;letter-spacing:-.2px}
.gate__lead{color:var(--gray);font-size:15px;max-width:660px;line-height:1.7}
.gate__body{display:grid;grid-template-columns:1fr 1fr}
.gate__preview{padding:22px 28px 26px}
.gate__locked{position:relative}
.gate__blur{filter:blur(5px);user-select:none;pointer-events:none;opacity:.5}
.gate__blur h4{font-size:13.5px;letter-spacing:.5px;color:var(--blue);margin-bottom:9px}
.gate__blur ul{display:grid;gap:8px}
.gate__blur li{position:relative;padding-left:18px;font-size:14px;color:var(--text-dim)}
.gate__blur li::before{content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,var(--c1,var(--blue)),var(--c2,var(--purple)))}
.gate__form{
  padding:24px 28px 28px;background:rgba(0,0,0,.20);border-left:1px solid var(--glass-border);
  display:flex;flex-direction:column;justify-content:center;
}
.gate__form>p{font-size:14.5px;color:var(--text-dim);margin-bottom:14px;line-height:1.7}
.gate__field{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-start}
.gate__field input{
  flex:1;min-width:180px;padding:12px 14px;border-radius:12px;font-size:15px;font-family:var(--font);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-border);color:#fff;outline:none;transition:border-color .2s;
}
.gate__field input:focus{border-color:var(--blue);background:rgba(60,199,255,.06)}
.gate__field .btn{flex:none}
.gate__field.has-error input{border-color:#ff6b81}
.gate__field .field__err{display:none;width:100%;color:#ff8b9d;font-size:12.5px;margin-top:7px}
.gate__field.has-error .field__err{display:block}
.gate__success{margin-top:12px;font-size:14px;color:#a9f4e7;line-height:1.7}
.gate__content{display:none;padding:4px 28px 28px}
.gate.is-open .gate__form,.gate.is-open .gate__locked{display:none}
.gate.is-open .gate__content{display:block;animation:gateIn .4s ease}
@keyframes gateIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.gate__content h4{font-size:14px;letter-spacing:.5px;color:var(--blue);margin:18px 0 9px}
.gate__content h4:first-child{margin-top:0}
.gate__content ul{display:grid;gap:9px}
.gate__content li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-dim);line-height:1.8}
.gate__content li::before{content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,var(--c1,var(--blue)),var(--c2,var(--purple)))}
.gate__note{margin-top:18px;padding:12px 15px;border-radius:12px;background:rgba(255,193,94,.08);border:1px solid var(--gold-border);color:#f2d9b6;font-size:13.5px;line-height:1.75}

/* ===== 移动端阅读体验优化 ===== */
@media(max-width:960px){
  body{font-size:15.5px}
  .hero__title{font-size:clamp(28px,7.4vw,40px);max-width:18em}
  .section__title{font-size:clamp(23px,5.4vw,30px)}
  .section__desc{font-size:15px}
  .card__desc{font-size:15px;line-height:1.85}
  .card__title{font-size:18px}
  .ind-pain li{font-size:15px;padding:16px 18px 16px 54px;line-height:1.85}
  .ind-pain li::before{left:18px;top:22px}
  .cta__title{font-size:clamp(22px,6vw,30px)}
  .cta__sub{font-size:15px}
}
@media(max-width:620px){
  body{font-size:16px;line-height:1.78}
  .section{padding:44px 16px}
  .hero{padding:66px 14px 52px}
  .hero__title{font-size:clamp(26px,8vw,34px);line-height:1.22;max-width:20em}
  .hero__sub{font-size:15.5px;line-height:1.75;margin-bottom:28px}
  .hero__btns{flex-direction:column;align-items:stretch;width:100%}
  .hero__btns .btn{width:100%}
  .section__head{margin-bottom:30px}
  .section__title{font-size:23px;line-height:1.32}
  .section__desc{font-size:15px;line-height:1.75}
  .eyebrow{font-size:12px}
  .card__desc{font-size:15px;line-height:1.9}
  .card__title{font-size:18px}
  .glass{padding:22px 18px;border-radius:18px}
  .ind-hero__icon{width:58px;height:58px;font-size:26px;border-radius:16px}
  .ind-pain li{font-size:15px;padding:15px 16px 15px 50px}
  .ind-pain li::before{left:16px;top:21px;width:16px;height:16px}
  .cta{padding:40px 18px;margin:32px 12px;border-radius:22px}
  .cta__title{font-size:23px}
  .cta__sub{font-size:15px}
  .cta .btn{width:100%;max-width:340px}
  .footer__brand p{font-size:14px}
  .faq__q{font-size:15px;padding:16px 18px}
  .faq__a{font-size:14px}
  .gate__head{padding:22px 20px 0}
  .gate__body{grid-template-columns:1fr}
  .gate__preview{padding:18px 20px 8px}
  .gate__form{padding:18px 20px 24px;border-left:none;border-top:1px solid var(--glass-border)}
  .gate__field{flex-direction:column}
  .gate__field input,.gate__field .btn{width:100%}
  .gate__content{padding:2px 20px 24px}
}

/* ===== v10 图标立体化：3D 底座 + 行业象形图形 ===== */
.ic-sprite{position:absolute;width:0;height:0;overflow:hidden}
.card__icon{
  --sheen:linear-gradient(180deg,rgba(255,255,255,.36),rgba(255,255,255,.08) 24%,rgba(255,255,255,0) 54%);
  position:relative;width:50px;height:50px;border-radius:15px;
  display:flex;align-items:center;justify-content:center;
  font-size:21px;margin-bottom:18px;overflow:hidden;
  background-image:var(--sheen),linear-gradient(160deg,rgba(255,255,255,.15),rgba(255,255,255,.04) 50%,rgba(0,0,0,.22));
  border:1px solid rgba(255,255,255,.17);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.34),inset 0 -4px 8px rgba(0,0,0,.34),0 7px 16px rgba(0,0,0,.34);
  text-shadow:0 1px 0 rgba(255,255,255,.18),0 -1px 1px rgba(0,0,0,.45);
  transition:transform .28s ease,box-shadow .28s ease;
}
.glass--blue .card__icon{background-image:var(--sheen),linear-gradient(160deg,rgba(126,224,255,.42),rgba(42,112,200,.30) 50%,rgba(9,24,66,.66));border-color:rgba(132,226,255,.42);box-shadow:inset 0 1px 0 rgba(206,246,255,.50),inset 0 -4px 9px rgba(4,12,40,.46),0 7px 16px rgba(0,0,0,.36),0 0 16px rgba(77,210,255,.18)}
.glass--purple .card__icon{background-image:var(--sheen),linear-gradient(160deg,rgba(190,156,255,.42),rgba(120,80,210,.30) 50%,rgba(34,18,78,.66));border-color:rgba(196,166,255,.42);box-shadow:inset 0 1px 0 rgba(238,228,255,.50),inset 0 -4px 9px rgba(20,8,50,.46),0 7px 16px rgba(0,0,0,.36),0 0 16px rgba(179,136,255,.18)}
.glass--teal .card__icon{background-image:var(--sheen),linear-gradient(160deg,rgba(96,250,224,.42),rgba(20,160,150,.30) 50%,rgba(6,54,60,.66));border-color:rgba(120,250,228,.42);box-shadow:inset 0 1px 0 rgba(214,255,248,.50),inset 0 -4px 9px rgba(3,40,40,.46),0 7px 16px rgba(0,0,0,.36),0 0 16px rgba(47,245,214,.18)}
.glass--gold .card__icon{background-image:var(--sheen),linear-gradient(160deg,rgba(255,214,140,.44),rgba(200,140,40,.30) 50%,rgba(70,42,6,.66));border-color:rgba(255,214,140,.44);box-shadow:inset 0 1px 0 rgba(255,244,220,.52),inset 0 -4px 9px rgba(58,32,4,.46),0 7px 16px rgba(0,0,0,.36),0 0 16px rgba(255,193,94,.18)}
.glass--pink .card__icon{background-image:var(--sheen),linear-gradient(160deg,rgba(255,166,206,.42),rgba(200,80,140,.30) 50%,rgba(70,12,42,.66));border-color:rgba(255,174,210,.42);box-shadow:inset 0 1px 0 rgba(255,230,242,.50),inset 0 -4px 9px rgba(60,8,36,.46),0 7px 16px rgba(0,0,0,.36),0 0 16px rgba(255,126,182,.18)}
.ind-svc .card__icon{background-image:var(--sheen),linear-gradient(140deg,var(--c1),var(--c2))}
.ind-icard .card__icon .ic{width:31px;height:31px;display:block;position:relative;filter:drop-shadow(0 1.6px 1.6px rgba(0,0,0,.55))}
.ind-icard:hover .card__icon{transform:translateY(-3px) scale(1.03)}
@media (max-width:620px){
  .card__icon{width:46px;height:46px;border-radius:14px;font-size:19px;margin-bottom:15px}
  .ind-icard .card__icon .ic{width:28px;height:28px}
}


/* ===== v11 背景底图 · 版式对齐 · 手机端体验 ===== */
/* 1) 同一排卡片：CTA「了解详情」贴底对齐（修 4 列时高低不齐） */
.grid-3>.glass,.grid-4>.glass{display:flex;flex-direction:column}
.grid-3>.glass>.card__more,.grid-4>.glass>.card__more{margin-top:auto}
/* 2) 带底图的卡片：文字补阴影，暗底照片上更清晰 */
.ind-icard[style*="background-image"] .card__title,
.grid-3>.glass[style*="background-image"] .card__title,
.grid-4>.glass[style*="background-image"] .card__title{text-shadow:0 1px 3px rgba(0,0,0,.55)}
.grid-3>.glass[style*="background-image"] .card__list li,
.grid-4>.glass[style*="background-image"] .card__list li{text-shadow:0 1px 2px rgba(0,0,0,.5)}
/* 3) 手机端：加大点按区域 + 列表行距，避免误触与拥挤 */
@media(max-width:620px){
  .card__more{min-height:44px;align-items:center;padding-right:6px}
  .card__list{gap:11px}
  .card__list li{line-height:1.72}
}

/* ===== v12：首页 hero 背景图 + 在线留言可点击卡 + 产品页响应式 ===== */
.hero > .hero__bg{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center 30%;background-repeat:no-repeat;
  opacity:.72;
}
.hero > .hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(11,16,48,.30), rgba(11,16,48,.66) 68%, var(--bg) 100%);
}
a.contact-card{display:flex;text-decoration:none;color:inherit;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
a.contact-card:hover{transform:translateY(-2px)}
a.contact-card:hover .contact-card__k{color:#fff}
a.contact-card:hover .contact-card__v{color:var(--blue)}
a.contact-card .contact-card__v{transition:color .18s ease}
@media(max-width:620px){
  .grid-2{grid-template-columns:1fr}
  .prod-hint{font-size:13px}
}

/* ===== v13：修复行业页(11 个 ind-page 页)hero 装饰层掉文档流 → 标题被顶到底部的问题 =====
   根因：.ind-page .hero>*:not(.hero__bg) 与本文件 .hero>*:not(.hero__bg):not(.hero__aurora)
   特异性同为 (0,3,0)，但前者在文件末尾、后写者胜，把 .hero__aurora 打回 position:relative，
   440px 高的装饰层进入文档流，把 hero 内容整块下压 → 视觉上"顶部一大片空白、看不到标题"。
   修复：让 .ind-page 的规则同样排除 .hero__aurora，恢复其 position:absolute。 */

/* ===== v14：导航二级菜单 ===== */
.nav__item{position:relative}
.nav__item>a{display:inline-flex;align-items:center;gap:6px}
.nav__caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.7;transition:transform .2s}
/* v15 关键修复：鼠标从菜单项移向面板时会经过一段空隙，一离开菜单项 hover 就断 →
   面板在半路消失、根本点不到子项（实测：移 5/12 步 opacity 就掉到 0.36）。
   用一块透明的「桥接块」把 hover 区连起来；它 z-index 低于面板，不会挡住点击。 */
.nav__item--sub::after{content:"";position:absolute;left:0;right:0;top:100%;height:26px;z-index:1}
.nav__sub{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:216px;padding:9px;border-radius:14px;
  background:rgba(14,20,58,.97);border:1px solid rgba(255,255,255,.10);
  box-shadow:0 20px 46px rgba(0,0,0,.52);
  display:grid;gap:2px;
  opacity:0;visibility:hidden;pointer-events:none;
  /* 收起时给 visibility 一段延迟：鼠标短暂掠过也不至于立刻消失（第二道保险） */
  transition:opacity .18s ease,transform .18s ease,visibility 0s linear .35s;
  z-index:90;
}
.nav__item--sub:hover .nav__sub,
.nav__item--sub:focus-within .nav__sub,
.nav__item--sub.is-open .nav__sub{
  opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);
  transition:opacity .18s ease,transform .18s ease,visibility 0s linear 0s;
}
.nav__item--sub:hover .nav__caret,
.nav__item--sub.is-open .nav__caret{transform:rotate(180deg)}
.nav__links .nav__sub a{
  padding:9px 12px;border-radius:9px;font-size:14px;color:var(--gray);
  white-space:nowrap;width:auto;transition:background .16s,color .16s;
}
.nav__sub a::after{display:none}
.nav__links .nav__sub a:hover,
.nav__links .nav__sub a.active{background:rgba(60,199,255,.13);color:#fff}
/* 移动端抽屉：二级菜单改为「原地折叠」。
   注意：选择器必须与上面桌面那条 .nav__item--sub.is-open .nav__sub 同特异性(0,3,0)，
   否则桌面的 transform:translateX(-50%) 会反杀，把子菜单左移半个屏宽（文字跑出屏幕外）。 */
@media(max-width:960px){
  .nav__item{width:100%}
  .nav__item>a{width:100%;justify-content:space-between}
  /* 移动端抽屉里没有「空隙」问题，桥接块反而会盖住下一项的点击区 → 关掉 */
  .nav__item--sub::after{display:none}
  .nav__links .nav__item--sub .nav__sub,
  .nav__item--sub.is-open .nav__sub,
  .nav__item--sub:hover .nav__sub{
    position:static;left:auto;transform:none;min-width:0;width:100%;
    display:none;opacity:1;visibility:visible;pointer-events:auto;
    background:rgba(255,255,255,.035);box-shadow:none;border:0;border-radius:0;
    padding:2px 0 6px;transition:none;
  }
  .nav__item--sub.is-open .nav__sub{display:grid}
  .nav__item--sub.is-open .nav__caret{transform:rotate(180deg)}
  .nav__links .nav__sub a{padding:11px 24px 11px 40px;font-size:14.5px}
}