/* ============================================================
   mqxn.cn 民启特种作业 · 全站基础样式
   设计语言：研学专业风 —— 天蓝 / 浅灰 / 纯白
   左侧固定导航 + 右侧阶梯式内容布局
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root{
  --blue:#2e9ef5;          /* 天蓝主色 */
  --blue-d:#1176d8;        /* 深天蓝 */
  --blue-dd:#0a3f73;       /* 藏蓝 */
  --sky:#e8f5ff;           /* 极浅天蓝 */
  --sky2:#f3f9ff;          /* 更浅底 */
  --bg:#f5f8fb;            /* 浅灰页面底 */
  --line:#e2ebf4;          /* 分隔线 */
  --ink:#16283a;           /* 主文字 */
  --ink2:#5b6b7d;          /* 次级文字 */
  --ink3:#8b99a8;          /* 弱文字 */
  --white:#ffffff;
  --shadow:0 10px 30px rgba(15,90,160,.08);
  --shadow-lg:0 18px 46px rgba(15,90,160,.14);
  --r:14px;
  --r-sm:9px;
  --nav-h:66px;
  --rail-w:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
}

/* ---------- 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit}
::selection{background:var(--blue);color:#fff}

/* ---------- 布局骨架 ---------- */
.container{max-width:1200px;margin:0 auto;padding:0 26px}
@media (min-width:1200px){
  .page-shell{margin-left:var(--rail-w)}
}
@media (max-width:1199px){
  .page-shell{margin-left:0}
}

/* ---------- 顶部导航 ---------- */
.top-nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:120;transition:background .35s ease,box-shadow .35s ease}
.nav-inner{max-width:1360px;margin:0 auto;padding:0 26px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.top-nav .brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.top-nav .brand-mark{width:42px;height:42px;border-radius:11px;overflow:hidden;box-shadow:0 4px 12px rgba(18,118,216,.28);flex-shrink:0}
.top-nav .brand-mark img{width:100%;height:100%;object-fit:cover}
.top-nav .brand-text{display:flex;flex-direction:column;line-height:1.2}
.top-nav .brand-text b{font-size:19px;letter-spacing:2px;color:var(--ink);font-weight:700}
.top-nav .brand-text b em{font-style:normal;color:var(--blue-d)}
.top-nav .brand-text small{font-size:11px;color:var(--ink3);letter-spacing:1px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-menu>a,.nav-item>a{position:relative;display:block;padding:9px 15px;font-size:15px;color:var(--ink);border-radius:9px;transition:.25s}
.nav-menu>a:hover,.nav-item>a:hover{color:var(--blue-d);background:var(--sky)}
.nav-menu>a.on{color:var(--blue-d);font-weight:600}
.nav-item{position:relative}
.nav-item>a{display:flex;align-items:center;gap:5px}
.nav-item>a i{width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:.25s}
.nav-item:hover>a i{transform:rotate(225deg) translate(-2px,-2px)}
.sub-panel{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);min-width:210px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transition:.25s}
.sub-panel::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.nav-item:hover .sub-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.sub-panel a{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--ink2);transition:.2s}
.sub-panel a:hover{background:var(--sky);color:var(--blue-d)}
.sub-panel a svg{width:16px;height:16px;flex-shrink:0;color:var(--blue-d)}
.sub-panel .sub-t{font-size:12px;color:var(--ink3);padding:6px 12px 3px;letter-spacing:1px}
.sub-panel.wide{min-width:640px;display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.sub-panel.wide a{white-space:normal}
.sub-panel.wide .grp{padding:4px 2px}
.sub-panel.wide .grp+.grp{border-left:1px dashed var(--line);padding-left:12px}
.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-cta .phone{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--blue-d)}
.nav-cta .phone svg{width:18px;height:18px}
.hamburger{display:none;width:42px;height:42px;border-radius:10px;background:var(--sky);position:relative}
.hamburger span{position:absolute;left:11px;right:11px;height:2px;background:var(--blue-d);border-radius:2px;transition:.3s}
.hamburger span:nth-child(1){top:14px}
.hamburger span:nth-child(2){top:20px}
.hamburger span:nth-child(3){top:26px}
.hamburger.open span:nth-child(1){top:20px;transform:rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){top:20px;transform:rotate(-45deg)}

/* 导航滚动态 */
.top-nav.scrolled{background:rgba(255,255,255,.97);box-shadow:0 6px 24px rgba(10,60,120,.1)}
body.home .top-nav{background:linear-gradient(180deg,rgba(8,34,62,.62),rgba(8,34,62,0))}
body.home .top-nav .brand-text b{color:#fff}
body.home .top-nav .brand-text small{color:rgba(255,255,255,.75)}
body.home .top-nav .nav-menu>a,body.home .top-nav .nav-item>a{color:#eaf4ff}
body.home .top-nav .nav-menu>a:hover,body.home .top-nav .nav-item>a:hover{color:#fff;background:rgba(255,255,255,.16)}
body.home .top-nav .nav-cta .phone{color:#fff}
body.home .top-nav.scrolled .brand-text b{color:var(--ink)}
body.home .top-nav.scrolled .brand-text small{color:var(--ink3)}
body.home .top-nav.scrolled .nav-menu>a,body.home .top-nav.scrolled .nav-item>a{color:var(--ink)}
body.home .top-nav.scrolled .nav-menu>a:hover,body.home .top-nav.scrolled .nav-item>a:hover{color:var(--blue-d);background:var(--sky)}
body.home .top-nav.scrolled .nav-cta .phone{color:var(--blue-d)}

/* ---------- 移动端全屏菜单 ---------- */
.mobile-menu{position:fixed;inset:0;background:var(--white);z-index:110;padding:90px 26px 40px;overflow:auto;opacity:0;visibility:hidden;transition:.3s}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu>a{display:block;padding:15px 6px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line);color:var(--ink)}
.mobile-menu .m-sub{margin:8px 0 14px;background:var(--sky2);border-radius:12px;padding:6px 10px}
.mobile-menu .m-sub a{display:block;padding:9px 8px;font-size:14px;color:var(--ink2)}
.mobile-menu .m-sub a::before{content:"· ";color:var(--blue)}
.mobile-menu .m-top{margin-bottom:20px;font-size:13px;color:var(--ink3)}
.mobile-menu .m-cta{margin-top:24px;text-align:center}

/* ---------- 左侧固定导航栏 ---------- */
.side-rail{position:fixed;left:0;top:var(--nav-h);bottom:0;width:var(--rail-w);z-index:90;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:20px 8px 14px;overflow-y:auto}
.side-rail .rail-cap{font-size:11px;color:var(--ink3);letter-spacing:2px;margin-bottom:12px;writing-mode:vertical-lr;line-height:1.2}
.side-rail a{width:76px;padding:10px 2px;margin:4px 0;border-radius:12px;text-align:center;font-size:12px;color:var(--ink2);display:flex;flex-direction:column;align-items:center;gap:6px;transition:.25s}
.side-rail a svg{width:22px;height:22px;color:var(--blue-d)}
.side-rail a:hover,.side-rail a.on{background:var(--sky);color:var(--blue-d);box-shadow:0 4px 12px rgba(18,118,216,.14)}
.side-rail .rail-tel{margin-top:auto;font-size:11px;color:var(--blue-d);font-weight:700;letter-spacing:.5px;writing-mode:vertical-lr}
@media (max-width:1199px){.side-rail{display:none}}

/* ---------- 页面 hero（内部页通用） ---------- */
.hero-page{position:relative;margin-top:var(--nav-h);padding:56px 0 46px;overflow:hidden}
.hero-page .hero-bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center}
.hero-page .hero-mask{position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(9,44,82,.92) 0%,rgba(13,80,148,.78) 52%,rgba(20,120,205,.55) 100%)}
.hero-page .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px}
.hero-page .crumb a:hover{color:#fff}
.hero-page .crumb i{width:5px;height:5px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg)}
.hero-page h1{color:#fff;font-size:34px;line-height:1.35;letter-spacing:1px;font-weight:700}
.hero-page h1 em{font-style:normal;color:#9fd4ff}
.hero-page .sub{color:rgba(255,255,255,.85);font-size:15px;margin-top:10px;max-width:720px}
.hero-page .hero-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.hero-page .hero-tags span{font-size:13px;padding:5px 14px;border:1px solid rgba(255,255,255,.35);border-radius:99px;color:rgba(255,255,255,.9)}
.hero-page .hero-stats{display:flex;gap:34px;margin-top:26px;flex-wrap:wrap}
.hero-page .hero-stats b{font-size:26px;color:#fff;display:block;line-height:1.2}
.hero-page .hero-stats small{font-size:13px;color:rgba(255,255,255,.75)}

/* 浅色 hero 变体（少图页面） */
.hero-page.lite{background:linear-gradient(120deg,var(--sky) 0%,var(--sky2) 60%,#fff 100%);border-bottom:1px solid var(--line)}
.hero-page.lite h1{color:var(--ink)}
.hero-page.lite h1 em{color:var(--blue-d)}
.hero-page.lite .sub{color:var(--ink2)}
.hero-page.lite .crumb{color:var(--ink3)}
.hero-page.lite .crumb a:hover{color:var(--blue-d)}
.hero-page.lite .hero-tags span{color:var(--blue-d);border-color:var(--blue)}
.hero-page.lite .hero-stats b{color:var(--blue-d)}
.hero-page.lite .hero-stats small{color:var(--ink2)}

/* ---------- 通用区块 ---------- */
.sec{padding:64px 0}
.sec.tight{padding:44px 0}
.sec.bg{background:var(--bg)}
.sec.sky{background:var(--sky2)}
.sec.blank{background:var(--white)}

/* 标题体系 */
.sec-head{max-width:800px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .kick{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:3px;color:var(--blue-d);font-weight:600}
.sec-head .kick::before{content:"";width:22px;height:2px;background:var(--blue)}
.sec-head.center .kick::after{content:"";width:22px;height:2px;background:var(--blue)}
.sec-head h2{font-size:28px;line-height:1.4;margin:8px 0 12px;font-weight:700;letter-spacing:1px}
.sec-head h2 em{font-style:normal;color:var(--blue-d)}
.sec-head p{color:var(--ink2);font-size:15px}
.sec-head .more{float:right;font-size:14px;color:var(--blue-d);display:inline-flex;align-items:center;gap:5px;margin-top:6px}
.sec-head .more svg{width:15px;height:15px}

/* 左竖条阶梯标题（配合阶梯式布局） */
.step-title{position:relative;padding-left:20px;margin-bottom:30px}
.step-title::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;background:linear-gradient(var(--blue),var(--sky))}
.step-title .no{font-size:12px;letter-spacing:3px;color:var(--blue-d);font-weight:700}
.step-title h2{font-size:26px;font-weight:700;line-height:1.4;letter-spacing:1px}
.step-title h2 em{font-style:normal;color:var(--blue-d)}
.step-title p{color:var(--ink2);font-size:14px;margin-top:6px}

/* 阶梯式主内容（左侧竖向轴线） */
.step-track{position:relative}
.step-track::before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--blue),var(--sky))}
.step-track .track-dot{position:absolute;left:2px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--white);border:3px solid var(--blue);box-shadow:0 0 0 4px var(--sky)}

/* ---------- 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;transition:.25s;letter-spacing:1px}
.btn svg{width:16px;height:16px}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(46,158,245,.32)}
.btn-blue:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 12px 26px rgba(46,158,245,.4)}
.btn-line{border:1.5px solid var(--blue);color:var(--blue-d)}
.btn-line:hover{background:var(--sky);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--blue-dd)}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-sm{padding:8px 18px;font-size:13px}

/* ---------- 卡片基础 ---------- */
.cards{display:grid;gap:22px}
.cg2{grid-template-columns:repeat(2,1fr)}
.cg3{grid-template-columns:repeat(3,1fr)}
.cg4{grid-template-columns:repeat(4,1fr)}
.cards .card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.3s}
.cards .card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#bfdcf6}
.card .c-ico{width:52px;height:52px;border-radius:14px;background:var(--sky);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card .c-ico svg{width:26px;height:26px;color:var(--blue-d)}
.card h3{font-size:17px;font-weight:700;margin-bottom:8px;letter-spacing:.5px}
.card h3 em{font-style:normal;color:var(--blue-d)}
.card p{font-size:14px;color:var(--ink2);line-height:1.75}
.card .c-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;color:var(--blue-d);font-weight:600}
.card .c-more svg{width:14px;height:14px;transition:.25s}
.card:hover .c-more svg{transform:translateX(4px)}

/* ---------- 数据横幅 ---------- */
.stat-band{background:linear-gradient(110deg,var(--blue-dd),var(--blue-d) 60%,var(--blue));border-radius:18px;padding:34px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;color:#fff;box-shadow:var(--shadow-lg)}
.stat-band .st{text-align:center;position:relative}
.stat-band .st+.st::before{content:"";position:absolute;left:-10px;top:14%;bottom:14%;width:1px;background:rgba(255,255,255,.22)}
.stat-band .st b{font-size:34px;line-height:1.2;display:block;letter-spacing:1px}
.stat-band .st b small{font-size:18px;font-weight:600;margin-left:2px}
.stat-band .st span{font-size:13px;color:rgba(255,255,255,.8);display:block;margin-top:4px;letter-spacing:1px}

/* ---------- 表格 ---------- */
.tbl-wrap{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--white)}
.tbl-a{width:100%;border-collapse:collapse;font-size:14px}
.tbl-a th{background:var(--sky);color:var(--blue-dd);font-weight:700;padding:13px 16px;text-align:left;white-space:nowrap;letter-spacing:.5px}
.tbl-a td{padding:12px 16px;border-top:1px solid var(--line);color:var(--ink2);vertical-align:top}
.tbl-a tr:nth-child(even) td{background:#fafcff}
.tbl-a td b{color:var(--ink)}
.tbl-a .ok{color:#1aa06d;font-weight:600}
.tbl-a .warn{color:#e08a1e;font-weight:600}
.tbl-a .no{color:#c2543e;font-weight:600}

/* ---------- 表单 ---------- */
.form-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-grid .full{grid-column:1/-1}
.form-row label{display:block;font-size:13px;color:var(--ink2);margin-bottom:7px;letter-spacing:.5px}
.form-row label i{color:#e2563a;font-style:normal}
.form-row input,.form-row select,.form-row textarea{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14px;background:var(--sky2);transition:.25s;color:var(--ink)}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(46,158,245,.12)}
.form-row textarea{resize:vertical;min-height:110px}
.form-tip{font-size:12px;color:var(--ink3);margin-top:8px}
.form-ok{display:none;margin-top:14px;padding:12px 16px;border-radius:10px;background:#e9f9f2;border:1px solid #b9e9d4;color:#1aa06d;font-size:14px}
.form-ok.show{display:block}

/* ---------- FAQ 手风琴 ---------- */
.faq-a{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--white)}
.faq-a .fq{border-bottom:1px solid var(--line)}
.faq-a .fq:last-child{border-bottom:none}
.faq-a .fq>button{width:100%;text-align:left;padding:17px 22px;font-size:15px;font-weight:600;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:14px;transition:.25s;letter-spacing:.3px}
.faq-a .fq>button i{width:26px;height:26px;border-radius:50%;background:var(--sky);color:var(--blue-d);flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:.3s;font-style:normal;font-size:15px}
.faq-a .fq>button:hover{background:var(--sky2)}
.faq-a .fq.open>button i{transform:rotate(180deg);background:var(--blue);color:#fff}
.faq-a .fq-ans{display:none;padding:0 22px 18px;font-size:14px;color:var(--ink2);line-height:1.9}
.faq-a .fq.open .fq-ans{display:block}

/* FAQ 变体 B：编号侧边 */
.faq-b .fq{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line)}
.faq-b .fq:last-child{border-bottom:none}
.faq-b .fq .num{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.faq-b .fq h3{font-size:15px;font-weight:700;margin-bottom:5px}
.faq-b .fq p{font-size:14px;color:var(--ink2)}

/* ---------- 流程步骤 ---------- */
.flow-a{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:fl}
.flow-a .fp{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px 20px 22px;text-align:center;transition:.3s}
.flow-a .fp:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.flow-a .fp::before{counter-increment:fl;content:counter(fl,decimal-leading-zero);position:absolute;top:14px;right:16px;font-size:30px;font-weight:800;color:var(--sky);line-height:1}
.flow-a .fp .fi{width:46px;height:46px;margin:0 auto 12px;border-radius:12px;background:var(--sky);display:flex;align-items:center;justify-content:center}
.flow-a .fp .fi svg{width:24px;height:24px;color:var(--blue-d)}
.flow-a .fp h3{font-size:15px;font-weight:700;margin-bottom:6px}
.flow-a .fp p{font-size:13px;color:var(--ink2)}

/* 流程变体 B：纵向时间轴 */
.flow-b{position:relative;padding-left:30px}
.flow-b::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--line)}
.flow-b .fp{position:relative;padding:0 0 26px 26px}
.flow-b .fp:last-child{padding-bottom:0}
.flow-b .fp::before{content:"";position:absolute;left:-26px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--white);border:3px solid var(--blue);box-shadow:0 0 0 5px var(--sky)}
.flow-b .fp h3{font-size:16px;font-weight:700;margin-bottom:5px}
.flow-b .fp h3 i{font-style:normal;color:var(--blue-d);margin-right:8px}
.flow-b .fp p{font-size:14px;color:var(--ink2);max-width:640px}

/* ---------- CTA 横幅 ---------- */
.cta-band{position:relative;border-radius:20px;overflow:hidden;background-size:cover;background-position:center;padding:52px 46px;color:#fff;box-shadow:var(--shadow-lg)}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,44,82,.94),rgba(13,90,165,.8))}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:27px;font-weight:700;letter-spacing:1px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px;max-width:640px;margin-bottom:22px}
.cta-band .cta-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-band .cta-tel{font-size:22px;font-weight:800;color:#ffd77a;letter-spacing:1px}

/* ---------- 资讯列表卡片 ---------- */
.news-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s;display:block}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-card .nc-img{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-card .nc-img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.news-card:hover .nc-img img{transform:scale(1.05)}
.news-card .nc-tag{position:absolute;left:12px;top:12px;background:rgba(13,80,148,.88);color:#fff;font-size:12px;padding:3px 12px;border-radius:99px}
.news-card .nc-body{padding:16px 18px 18px}
.news-card .nc-body h3{font-size:15px;font-weight:700;line-height:1.55;height:47px;overflow:hidden;margin-bottom:8px;transition:.25s}
.news-card:hover .nc-body h3{color:var(--blue-d)}
.news-card .nc-body p{font-size:13px;color:var(--ink2);line-height:1.8;height:47px;overflow:hidden;margin-bottom:10px}
.news-card .nc-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--ink3);border-top:1px dashed var(--line);padding-top:10px}

/* ---------- 侧边栏 ---------- */
.side-box{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:20px}
.side-box .sb-t{font-size:15px;font-weight:700;padding-bottom:12px;margin-bottom:14px;border-bottom:2px solid var(--sky);position:relative;letter-spacing:.5px}
.side-box .sb-t::after{content:"";position:absolute;left:0;bottom:-2px;width:46px;height:2px;background:var(--blue)}
.side-box li a{display:flex;justify-content:space-between;gap:10px;padding:9px 2px;font-size:13.5px;color:var(--ink2);border-bottom:1px dashed var(--line);transition:.2s}
.side-box li:last-child a{border-bottom:none}
.side-box li a:hover{color:var(--blue-d);padding-left:6px}
.side-box li a span{color:var(--ink3);font-size:12px;flex-shrink:0}
.side-box .sb-tel{display:block;text-align:center;padding:14px 10px;background:var(--sky);border-radius:12px;color:var(--blue-d);font-size:20px;font-weight:800;letter-spacing:1px}
.side-box .sb-btn{display:block;text-align:center;margin-top:10px}

/* ---------- 面包屑（独立） ---------- */
.crumb-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink3);padding:14px 0;border-bottom:1px solid var(--line)}
.crumb-line a:hover{color:var(--blue-d)}
.crumb-line i{width:5px;height:5px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg)}

/* ---------- 标签 / 徽章 ---------- */
.badge{display:inline-block;padding:3px 12px;border-radius:99px;font-size:12px;font-weight:600}
.badge.blue{background:var(--sky);color:var(--blue-d)}
.badge.gray{background:#eef2f6;color:var(--ink2)}
.badge.green{background:#e7f7ef;color:#1aa06d}

/* ---------- 提示条 ---------- */
.notice{display:flex;gap:12px;padding:14px 18px;border-radius:12px;font-size:14px;line-height:1.8}
.notice.info{background:var(--sky);color:var(--blue-dd);border:1px solid #cfe7fb}
.notice.warn{background:#fff7e8;color:#9a6413;border:1px solid #f4e2bb}
.notice svg{width:18px;height:18px;flex-shrink:0;margin-top:3px}

/* ---------- 电话卡片 / 联系方式 ---------- */
.contact-line{display:flex;align-items:center;gap:14px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;transition:.3s}
.contact-line:hover{border-color:#bfdcf6;box-shadow:var(--shadow)}
.contact-line .cl-ico{width:46px;height:46px;border-radius:12px;background:var(--sky);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-line .cl-ico svg{width:22px;height:22px;color:var(--blue-d)}
.contact-line b{font-size:16px;display:block;line-height:1.4}
.contact-line span{font-size:13px;color:var(--ink2)}

/* ---------- 返回顶部 ---------- */
.backtop{position:fixed;right:24px;bottom:30px;width:46px;height:46px;border-radius:13px;background:var(--blue);color:#fff;z-index:99;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(46,158,245,.4);opacity:0;visibility:hidden;transition:.3s}
.backtop.show{opacity:1;visibility:visible}
.backtop:hover{background:var(--blue-d);transform:translateY(-3px)}
.backtop svg{width:20px;height:20px}

/* ---------- 滚动渐入动画 ---------- */
[data-js] .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;transition-delay:var(--d,0s)}
[data-js] .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  [data-js] .reveal{opacity:1;transform:none;transition:none}
  .news-card:hover .nc-img img{transform:none}
}

/* ---------- 分页（被禁用样式） ---------- */
.pager{display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:#0c2c4a;color:#b8c9da;margin-top:0}
.foot-top{padding:54px 0 40px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px}
.foot-top h4{color:#fff;font-size:15px;font-weight:700;letter-spacing:1px;margin-bottom:16px;position:relative;padding-bottom:10px}
.foot-top h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:2px;background:var(--blue)}
.foot-top .foot-brand .fb-ico{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.foot-top .foot-brand .fb-ico img{width:44px;height:44px;border-radius:11px}
.foot-top .foot-brand .fb-ico b{color:#fff;font-size:18px;letter-spacing:2px}
.foot-top .foot-brand .fb-ico b em{font-style:normal;color:#7cc4ff}
.foot-top .foot-brand p{font-size:13px;line-height:1.9;max-width:360px}
.foot-top .foot-links a{display:block;padding:5px 0;font-size:13px;color:#b8c9da;transition:.2s}
.foot-top .foot-links a:hover{color:#7cc4ff;padding-left:5px}
.foot-top .foot-ct .fc-item{display:flex;gap:10px;margin-bottom:12px;font-size:13px;line-height:1.8}
.foot-top .foot-ct .fc-item svg{width:16px;height:16px;color:#7cc4ff;flex-shrink:0;margin-top:3px}
.foot-top .foot-ct .fc-tel{font-size:20px;font-weight:800;color:#ffd77a;letter-spacing:1px}
.foot-top .foot-qr{width:110px;height:110px;background:#fff;border-radius:12px;padding:8px;margin-top:6px}
.foot-top .foot-qr svg{width:100%;height:100%}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:12.5px;color:#8fa6ba;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.foot-bottom a{color:#8fa6ba}
.foot-bottom a:hover{color:#7cc4ff}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-menu,.nav-cta .phone{display:none}
  .hamburger{display:block}
  .cg4{grid-template-columns:repeat(2,1fr)}
  .cg3{grid-template-columns:repeat(2,1fr)}
  .flow-a{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:26px 14px;padding:28px 24px}
  .stat-band .st:nth-child(3)::before,.stat-band .st:nth-child(4)::before{display:none}
  .foot-top{grid-template-columns:1fr 1fr;gap:30px 20px}
  .hero-page h1{font-size:27px}
  .sub-panel.wide{min-width:0;grid-template-columns:1fr;width:280px}
  .sub-panel.wide .grp+.grp{border-left:none;padding-left:2px;border-top:1px dashed var(--line);margin-top:6px;padding-top:8px}
}
@media (max-width:640px){
  body{font-size:15px}
  .container{padding:0 18px}
  .sec{padding:46px 0}
  .cg2,.cg3,.cg4{grid-template-columns:1fr}
  .flow-a{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr 1fr}
  .foot-top{grid-template-columns:1fr}
  .hero-page{padding:44px 0 36px}
  .hero-page h1{font-size:24px}
  .hero-page .hero-stats{flex-wrap:wrap;gap:18px}
  .cta-band{padding:36px 24px}
  .cta-band h2{font-size:22px}
  .sec-head h2{font-size:23px}
  .step-title h2{font-size:22px}
  .nav-inner{padding:0 16px}
}