/* ==========================================================================
   爱客信息官网 · 前台样式
   设计参考：金蝶官网整体版式（大留白、卡片化、蓝色主色、模块化内容块）
   ========================================================================== */

:root{
  --brand:#0B57D0;
  --brand-dark:#083F9C;
  --brand-soft:#E9F0FE;
  --brand-soft-2:#F4F7FF;
  --accent:#00A896;
  --ink:#0F1723;
  --ink-2:#3D4A5C;
  --ink-3:#6B7A8F;
  --line:#E3E8F0;
  --line-2:#EEF1F6;
  --bg:#FFFFFF;
  --soft:#F6F8FC;
  --warn:#D93025;
  --ok:#0F9D58;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:22px;
  --shadow:0 4px 16px rgba(15,23,35,.06);
  --shadow-md:0 10px 30px rgba(15,23,35,.08);
  --shadow-lg:0 18px 50px rgba(11,87,208,.14);
  --max:1200px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(28px,4vw,46px)}
h2{font-size:clamp(22px,2.6vw,34px)}
h3{font-size:clamp(18px,1.8vw,22px)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(11,87,208,.35);outline-offset:2px;border-radius:4px}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:999}
.skip-link:focus{left:12px;top:12px}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.container--narrow{max-width:880px}

/* ---------- 通用 ---------- */
.eyebrow{margin:0 0 12px;font-size:14px;font-weight:600;color:var(--brand);letter-spacing:.06em;text-transform:uppercase}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:15px;cursor:pointer;transition:.2s;white-space:nowrap;
}
.btn--lg{padding:15px 32px;font-size:16px}
.btn--block{width:100%}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(11,87,208,.24)}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--brand);border-color:var(--line);box-shadow:var(--shadow)}
.btn--ghost:hover{border-color:var(--brand);background:var(--brand-soft-2)}
.btn--outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn--outline:hover{background:var(--brand-soft)}
.btn--light{background:#fff;color:var(--brand)}
.btn--light:hover{background:#EAF1FF;color:var(--brand-dark)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff}
.link-arrow{font-weight:600;font-size:15px;display:inline-block;margin-top:6px}
.link-arrow:hover{transform:translateX(2px)}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line-2);
}
.site-header__inner{display:flex;align-items:center;gap:32px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#3D7BF7);color:#fff;font-weight:700;font-size:19px;
}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__text strong{font-size:17px;color:var(--ink);letter-spacing:.01em}
.brand__text em{font-style:normal;font-size:11px;color:var(--ink-3)}
.brand--footer .brand__text strong{color:#fff}
.brand--footer .brand__text em{color:rgba(255,255,255,.6)}

.site-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.site-nav a{
  padding:10px 16px;border-radius:10px;color:var(--ink-2);font-weight:500;font-size:15.5px;transition:.18s;
}
.site-nav a:hover{background:var(--soft);color:var(--brand)}
.site-nav a.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft-2)}

.site-header__actions{display:flex;align-items:center;gap:16px}
.header-phone{display:flex;align-items:center;gap:6px;color:var(--ink-2);font-weight:600;font-size:15px}
.header-phone__icon{color:var(--brand)}
.header-phone:hover{color:var(--brand)}
.nav-toggle{display:none;background:none;border:0;width:42px;height:42px;padding:10px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;margin:5px 0;transition:.2s}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1100px 460px at 88% -10%,rgba(11,87,208,.10),transparent 62%),
  linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 78%);
  padding:76px 0 64px;
}
.hero--slim{padding:56px 0 40px}
.hero--product{padding:60px 0 0}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero--slim .hero__inner{grid-template-columns:1fr;max-width:900px}
.hero__text h1{margin-bottom:18px}
.hero__lead{font-size:19px;color:var(--brand);font-weight:600;margin-bottom:12px}
.hero__sub{font-size:17.5px;color:var(--ink-2);line-height:1.85;margin-bottom:28px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero__stats{display:flex;flex-wrap:wrap;gap:14px 42px;list-style:none;padding:0;margin:0}
.hero__stats li{display:flex;flex-direction:column}
.hero__stats strong{font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.hero__stats span{font-size:13.5px;color:var(--ink-3)}
.hero__media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.answer-box{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);padding:16px 20px;box-shadow:var(--shadow);
}

/* 无配图时的装饰性界面占位 */
.mock-ui{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}
.mock-ui__bar{display:flex;gap:7px;padding:14px 18px;background:var(--soft);border-bottom:1px solid var(--line-2)}
.mock-ui__bar i{width:10px;height:10px;border-radius:50%;background:#D8DEE9}
.mock-ui__body{display:grid;grid-template-columns:78px 1fr;min-height:270px}
.mock-ui__side{background:linear-gradient(180deg,#EFF4FE,#F8FAFF)}
.mock-ui__main{padding:22px;display:flex;flex-direction:column;gap:14px}
.mock-ui__row{display:flex;gap:12px}
.mock-ui__kpi{flex:1;height:56px;border-radius:10px;background:linear-gradient(135deg,#EAF1FF,#F7FAFF);border:1px solid #E2EBFB}
.mock-ui__chart{display:flex;align-items:flex-end;gap:10px;height:110px;padding:12px;border-radius:12px;background:var(--soft)}
.mock-ui__chart i{flex:1;border-radius:6px 6px 3px 3px;background:linear-gradient(180deg,#2F72EA,#0B57D0);opacity:.85}
.mock-ui__line{height:12px;border-radius:6px;background:#EEF2F8}
.mock-ui__line--short{width:62%}

/* ---------- 区块 ---------- */
.section{padding:76px 0}
.section--tight{padding:48px 0}
.section--soft{background:var(--soft)}
.section__head{max-width:800px;margin-bottom:44px}
.section__head--center,.section__title--center,.section__sub--center{text-align:center;margin-left:auto;margin-right:auto}
.section__title{margin-bottom:14px}
.section__sub{font-size:16.5px;color:var(--ink-2);line-height:1.8;margin:0}

.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

/* ---------- 卡片 ---------- */
.fcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:.22s;display:block;color:inherit;
}
.fcard:hover{border-color:rgba(11,87,208,.4);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.fcard--plain{background:var(--brand-soft-2);border-color:#DCE7FB}
.fcard--plain:hover{transform:none;box-shadow:none}
.fcard__icon{font-size:26px;margin-bottom:12px;line-height:1}
.fcard__title{font-size:18px;margin-bottom:8px}
.fcard__desc{margin:0;color:var(--ink-2);font-size:15px;line-height:1.75}

.ccard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;
  transition:.22s;color:inherit
}
.ccard:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:rgba(11,87,208,.4)}
.ccard--soft{background:var(--brand-soft-2);border-color:#DCE7FB}
.ccard__icon{font-size:26px;margin-bottom:12px}
.ccard__title{font-size:18px;margin-bottom:8px}
.ccard__desc{color:var(--ink-2);font-size:15px;margin-bottom:12px;flex:1}

.pcard{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.22s
}
.pcard:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:rgba(11,87,208,.4)}
.pcard__badge{position:absolute;top:16px;right:16px;z-index:2;background:var(--brand);color:#fff;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px}
.pcard__media{background:var(--soft);aspect-ratio:16/9;overflow:hidden}
.pcard__media img{width:100%;height:100%;object-fit:cover}
.pcard__body{padding:24px;display:flex;flex-direction:column;flex:1}
.pcard__title{font-size:19px;margin-bottom:6px}
.pcard__title a{color:inherit}
.pcard__title a:hover{color:var(--brand)}
.pcard__sub{color:var(--brand);font-size:14px;font-weight:600;margin-bottom:10px}
.pcard__desc{color:var(--ink-2);font-size:15px;margin-bottom:14px}
.pcard__points{list-style:none;padding:0;margin:0 0 16px;flex:1}
.pcard__points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);margin-bottom:6px}
.pcard__points li::before{content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:2px;background:var(--brand);opacity:.75}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.section--soft .stat-card{background:#fff}
.stat-card__value{font-size:30px;font-weight:700;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-card__label{font-size:14px;color:var(--ink-3);margin-top:4px}

.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin:0;display:flex;flex-direction:column}
.quote-card blockquote{margin:0 0 18px;font-size:15.5px;color:var(--ink-2);line-height:1.85;flex:1;position:relative;padding-left:22px}
.quote-card blockquote::before{content:"“";position:absolute;left:0;top:-6px;font-size:34px;color:var(--brand);opacity:.4;font-family:Georgia,serif}
.quote-card figcaption{display:flex;flex-direction:column;border-top:1px solid var(--line-2);padding-top:14px}
.quote-card figcaption strong{font-size:15px}
.quote-card figcaption span{font-size:13.5px;color:var(--ink-3)}

.logo-wall{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.logo-wall__item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 12px;
  font-weight:600;font-size:15px;color:var(--ink-2);text-align:center
}
.logo-wall__item em{font-style:normal;font-size:12px;color:var(--ink-3);font-weight:400}
.logos__title{text-align:center;font-size:16px;color:var(--ink-3);font-weight:500;margin-bottom:26px}

/* ---------- 特征 / 痛点 / 步骤 ---------- */
.highlight-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.highlight-list li{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px 16px 44px;
  position:relative;font-size:15.5px;color:var(--ink-2)
}
.highlight-list li::before{content:"★";position:absolute;left:18px;top:15px;color:var(--brand)}

.feature-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:12px 28px}
.feature-list li{display:flex;gap:10px;font-size:15.5px;color:var(--ink-2);padding:10px 0;border-bottom:1px dashed var(--line)}
.tick{color:var(--ok);font-weight:700}

.pain-list{list-style:none;padding:0;counter-reset:p;display:grid;gap:12px}
.pain-list li{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 20px;font-size:15.5px;color:var(--ink-2)}
.pain-list__no{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:13px;font-weight:700
}

.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px;display:flex;flex-direction:column;gap:6px}
.steps strong{color:var(--brand);font-size:16px}
.steps span{font-size:14px;color:var(--ink-3);line-height:1.7}

/* ---------- 左右图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:34px 0}
.split--reverse .split__text{order:2}
.split__text h3{font-size:22px}
.split__media img,.split__media .mock-ui{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}

/* ---------- 定价 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;align-items:stretch}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;display:flex;flex-direction:column;transition:.22s
}
.plan-card--hl{border-color:var(--brand);box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.plan-card__badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:12.5px;font-weight:600;padding:4px 14px;border-radius:999px;white-space:nowrap}
.plan-card__name{font-size:20px;margin-bottom:6px}
.plan-card__desc{font-size:14.5px;color:var(--ink-3);min-height:44px;margin-bottom:8px}
.plan-card__price{display:flex;align-items:baseline;gap:4px;color:var(--brand);margin:6px 0 4px}
.plan-card__price .cur{font-size:18px;font-weight:600}
.plan-card__price strong{font-size:36px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.plan-card__price em{font-style:normal;font-size:14px;color:var(--ink-3)}
.plan-card__note{font-size:13px;color:var(--ink-3);margin:0 0 16px}
.plan-card__features{list-style:none;padding:0;margin:0 0 22px;flex:1;border-top:1px solid var(--line-2);padding-top:16px}
.plan-card__features li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-2);margin-bottom:9px}
.plan-card__features li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.pricing-note{margin-top:28px;font-size:14px;color:var(--ink-3);background:var(--soft);border-radius:var(--radius-sm);padding:16px 20px}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.cmp-table{width:100%;border-collapse:collapse;min-width:680px}
.cmp-table th,.cmp-table td{padding:14px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line-2)}
.cmp-table thead th{background:var(--soft);font-weight:700;color:var(--ink);white-space:nowrap}
.cmp-table tbody th{font-weight:600;color:var(--ink-2);background:#FBFCFE;white-space:nowrap}
.cmp-table tr:last-child th,.cmp-table tr:last-child td{border-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.prose table th,.prose table td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose table th{background:var(--soft);font-weight:700}

/* ---------- FAQ ---------- */
.faq-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.faq-item{border-bottom:1px solid var(--line-2)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;
  padding:20px 24px;font-weight:600;font-size:16.5px;color:var(--ink);list-style:none
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{position:relative;flex-shrink:0;width:16px;height:16px}
.faq-item summary i::before,.faq-item summary i::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:.2s
}
.faq-item summary i::before{left:0;top:7px;width:16px;height:2px}
.faq-item summary i::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] summary i::after{transform:scaleY(0)}
.faq-item[open] summary{color:var(--brand);background:var(--brand-soft-2)}
.faq-item__body{padding:0 24px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.faq-item__body p:last-child{margin-bottom:0}

/* ---------- 资料下载 ---------- */
.dl-list{display:grid;gap:12px}
.dl-item{
  display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:18px 22px;color:inherit;transition:.2s
}
.dl-item:hover{border-color:rgba(11,87,208,.45);box-shadow:var(--shadow);transform:translateX(3px)}
.dl-item__icon{font-size:22px}
.dl-item__text{display:flex;flex-direction:column;flex:1}
.dl-item__text em{font-style:normal;font-size:13.5px;color:var(--ink-3)}
.dl-item__btn{color:var(--brand);font-weight:600;font-size:14px;white-space:nowrap}

/* ---------- 文章列表 ---------- */
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:inherit;display:flex;flex-direction:column;transition:.22s}
.post-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:rgba(11,87,208,.4)}
.post-card__media{aspect-ratio:16/9;background:var(--soft);overflow:hidden}
.post-card__media img{width:100%;height:100%;object-fit:cover}
.post-card__body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-card__cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:3px 10px;border-radius:999px;margin-bottom:12px}
.post-card h3{font-size:17.5px;margin-bottom:8px}
.post-card p{font-size:14.5px;color:var(--ink-2);flex:1}
.post-card time{font-size:13px;color:var(--ink-3)}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:56px 48px;color:#fff;
  background:linear-gradient(120deg,#0B57D0 0%,#1B6BE8 55%,#00A896 130%);
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center
}
.cta__text h2{color:#fff;margin-bottom:10px}
.cta__text p{color:rgba(255,255,255,.86);margin:0;font-size:16.5px}
.cta__actions{display:flex;gap:14px;flex-wrap:wrap}
.cta__note{grid-column:1/-1;margin:0;font-size:13.5px;color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.2);padding-top:16px}

/* ---------- 询盘 ---------- */
.inquiry{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start}
.inquiry__contact{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px}
.inquiry__contact li{display:flex;flex-direction:column;gap:2px;border-left:3px solid var(--brand-soft);padding-left:14px}
.inquiry__contact span{font-size:13px;color:var(--ink-3)}
.inquiry__contact strong{font-size:16px;color:var(--ink)}

.card-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field__label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field__label i{color:var(--warn);font-style:normal}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FCFDFF;transition:.18s;font-size:15px
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(11,87,208,.12)}
.field textarea{resize:vertical;line-height:1.7}
.hp-field{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-note{font-size:12.5px;color:var(--ink-3);margin:12px 0 0;text-align:center}

/* ---------- 面包屑 / 筛选 / 搜索 ---------- */
.breadcrumbs{padding-top:20px;font-size:13.5px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;color:var(--ink-3)}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:var(--line)}
.breadcrumbs a{color:var(--ink-3)}
.breadcrumbs a:hover{color:var(--brand)}

.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filter-bar a{padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14.5px;color:var(--ink-2)}
.filter-bar a:hover{border-color:var(--brand);color:var(--brand)}
.filter-bar a.is-active{background:var(--brand);border-color:var(--brand);color:#fff}

.search-form{display:flex;gap:12px;margin:22px 0 30px}
.search-form input{flex:1;padding:14px 18px;border:1px solid var(--line);border-radius:999px;background:#fff}
.search-total{color:var(--ink-3);font-size:14.5px}
.search-group{margin-top:34px;font-size:19px;border-left:4px solid var(--brand);padding-left:12px}
.search-list{list-style:none;padding:0}
.search-list li{border-bottom:1px solid var(--line-2);padding:14px 0}
.search-list li a{font-weight:600;font-size:16.5px}
.search-list li p{margin:4px 0 0;font-size:14.5px;color:var(--ink-3)}
.empty{color:var(--ink-3);padding:40px 0;text-align:center}

/* ---------- 文章正文 ---------- */
.prose{font-size:16.5px;line-height:1.95;color:var(--ink-2)}
.prose h2{font-size:25px;color:var(--ink);margin:2em 0 .7em;padding-bottom:.4em;border-bottom:1px solid var(--line-2)}
.prose h3{font-size:20px;color:var(--ink);margin:1.7em 0 .6em}
.prose h4{font-size:17px;color:var(--ink);margin:1.5em 0 .5em}
.prose p{margin:0 0 1.2em}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.3em}
.prose li{margin-bottom:.5em}
.prose strong{color:var(--ink);font-weight:700}
.prose code{background:var(--soft);padding:2px 6px;border-radius:5px;font-size:.92em}
.prose pre{background:#0F1723;color:#E6EDF7;padding:18px;border-radius:var(--radius-sm);overflow-x:auto}
.prose blockquote{margin:1.4em 0;padding:14px 20px;background:var(--brand-soft-2);border-left:4px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-2)}
.prose blockquote p:last-child{margin:0}

.article__head{margin-bottom:32px}
.article__cat{display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:4px 12px;border-radius:999px;margin-bottom:16px}
.article__head h1{font-size:clamp(26px,3.4vw,38px)}
.article__summary{margin-top:18px}
.article__meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13.5px;color:var(--ink-3);margin-top:20px;padding-top:18px;border-top:1px solid var(--line-2)}
.article__cta{margin:48px 0;padding:30px;border-radius:var(--radius);background:var(--brand-soft-2);border:1px solid #DCE7FB;text-align:center}
.article__cta h2{font-size:21px;margin-bottom:8px}
.article__cta p{color:var(--ink-2);margin-bottom:18px}
.article__related{margin:44px 0;padding-top:26px;border-top:1px solid var(--line-2)}
.article__related h2{font-size:19px}
.article__related ul{list-style:none;padding:0}
.article__related li{padding:10px 0;border-bottom:1px dashed var(--line)}
.more-link{margin-top:24px;font-size:15px}
.fact-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:52px}
.fact-bar>div{background:#fff;padding:20px 22px}
.fact-bar dt{font-size:13px;color:var(--ink-3);margin-bottom:4px}
.fact-bar dd{margin:0;font-weight:600;font-size:15.5px}

/* ---------- 404 ---------- */
.section--404{text-align:center;padding:110px 0}
.err-code{font-size:76px;font-weight:800;color:var(--brand-soft);margin:0;line-height:1}
.err-links{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:32px 0}
.err-links a{padding:9px 18px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:14.5px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0C1522;color:rgba(255,255,255,.76);padding:66px 0 28px;margin-top:0}
.site-footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.site-footer__desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:18px 0 22px}
.site-footer__contact{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.site-footer__contact li{display:flex;gap:12px;font-size:14px}
.site-footer__contact span{color:rgba(255,255,255,.45);min-width:64px}
.site-footer__contact a,.site-footer__contact em{font-style:normal;color:rgba(255,255,255,.86)}
.site-footer__contact a:hover{color:#fff}
.site-footer__col h3{color:#fff;font-size:15.5px;margin-bottom:18px}
.site-footer__col ul{list-style:none;padding:0;margin:0}
.site-footer__col li{margin-bottom:11px}
.site-footer__col a{color:rgba(255,255,255,.66);font-size:14.5px}
.site-footer__col a:hover{color:#fff}
.site-footer__qr{margin-top:36px;display:flex;align-items:center;gap:14px}
.site-footer__qr img{border-radius:10px;background:#fff;padding:4px}
.site-footer__qr p{margin:0;font-size:13.5px;color:rgba(255,255,255,.6)}
.site-footer__bottom{
  margin-top:46px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,.5)
}
.site-footer__bottom p{margin:0}
.site-footer__bottom a{color:rgba(255,255,255,.6)}
.site-footer__bottom a:hover{color:#fff}
.site-footer__bottom .sep{margin:0 8px;opacity:.4}

/* ---------- 视频模块（B站等平台） ---------- */
/* 分类页签 */
.vfilter{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px}
.vchip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;margin:0;
  border:1px solid var(--line);background:#fff;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);font-family:inherit;cursor:pointer;transition:.2s
}
.vchip:hover{border-color:rgba(11,87,208,.45);color:var(--brand)}
.vchip b{font-size:12.5px;font-weight:600;padding:1px 8px;border-radius:999px;background:var(--soft);color:var(--ink-3)}
.vchip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(11,87,208,.22)}
.vchip.is-active b{background:rgba(255,255,255,.22);color:#fff}
.vcard[hidden]{display:none}

/* 按分类分块 */
.vgroup+.vgroup{margin-top:46px}
.vgroup__head{display:flex;align-items:baseline;gap:12px;margin:0 0 20px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.vgroup__title{font-size:19px;margin:0}
.vgroup__count{font-size:13px;color:var(--ink-3)}

.video-grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr)}
.video-grid--2{grid-template-columns:repeat(2,1fr)}
.video-grid--4{grid-template-columns:repeat(4,1fr)}
.vcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:.22s
}
.vcard:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:rgba(11,87,208,.4)}
.vcard--hl{border-color:rgba(11,87,208,.45);box-shadow:0 6px 20px rgba(11,87,208,.10)}
.vcard__media{
  position:relative;display:block;width:100%;padding:0;border:0;margin:0;cursor:pointer;
  aspect-ratio:16/9;background:#0F1723;overflow:hidden;text-align:left
}
a.vcard__media{cursor:pointer}
span.vcard__media{cursor:default}
.vcard__cover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.35s}
.vcard__media:hover .vcard__cover{transform:scale(1.04)}
.vcard__cover--grad{
  background:
    radial-gradient(120% 120% at 12% 8%,hsla(var(--vh),78%,58%,.95) 0%,transparent 58%),
    linear-gradient(135deg,hsl(var(--vh) 62% 32%) 0%,hsl(calc(var(--vh) + 32) 58% 20%) 100%)
}
.vcard__cover--grad::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:34px 34px
}
.vcard__play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.94);
  box-shadow:0 8px 24px rgba(0,0,0,.28);transition:.22s;z-index:2
}
.vcard__media:hover .vcard__play{transform:translate(-50%,-50%) scale(1.08);background:#fff}
.vcard__play i{
  position:absolute;left:52%;top:50%;transform:translate(-50%,-50%);
  width:0;height:0;border-style:solid;border-width:10px 0 10px 17px;border-color:transparent transparent transparent var(--brand)
}
.vcard__dur{
  position:absolute;right:10px;bottom:10px;z-index:2;background:rgba(15,23,35,.78);color:#fff;
  font-size:12.5px;font-weight:600;padding:2px 8px;border-radius:6px;letter-spacing:.02em
}
.vcard__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.vcard__cat{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);padding:3px 10px;border-radius:999px;margin-bottom:12px
}
.vcard__title{font-size:17px;line-height:1.45;margin:0 0 8px}
.vcard__desc{font-size:14.5px;color:var(--ink-2);margin:0;flex:1}
.vcard__meta{margin:14px 0 0;font-size:12.5px;color:var(--ink-3)}
.vcard__source{margin-left:6px;white-space:nowrap}

/* 视频弹窗（点击后才加载 iframe） */
.vmodal{position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;padding:24px}
.vmodal[hidden]{display:none}
.vmodal__backdrop{position:absolute;inset:0;background:rgba(9,14,22,.82);backdrop-filter:blur(3px);border:0;padding:0;cursor:pointer}
.vmodal__box{
  position:relative;width:min(1080px,100%);background:#0F1723;border-radius:var(--radius);
  overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5)
}
.vmodal__bar{display:flex;align-items:center;gap:16px;padding:12px 16px;background:#0F1723;color:#fff}
.vmodal__bar h3{color:#fff;font-size:15.5px;font-weight:600;margin:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vmodal__close{background:rgba(255,255,255,.12);border:0;color:#fff;width:32px;height:32px;border-radius:50%;font-size:19px;line-height:1;cursor:pointer}
.vmodal__close:hover{background:rgba(255,255,255,.24)}
.vmodal__stage{position:relative;aspect-ratio:16/9;background:#000}
.video-frame{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}

/* ---------- 提示条 ---------- */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%);z-index:300;
  display:flex;align-items:center;gap:14px;padding:14px 20px;border-radius:999px;
  background:#0F1723;color:#fff;font-size:15px;box-shadow:var(--shadow-lg);max-width:90vw
}
.toast--success{background:#0F9D58}
.toast--error{background:#D93025}
.toast button{background:none;border:0;color:inherit;font-size:20px;line-height:1;cursor:pointer;opacity:.8}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .site-nav{gap:0}
  .site-nav a{padding:10px 12px;font-size:15px}
  .header-phone{display:none}
}
@media (max-width:960px){
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero__media{order:-1}
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .video-grid,.video-grid--4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:26px;padding:24px 0}
  .split--reverse .split__text{order:0}
  .inquiry{grid-template-columns:1fr;gap:32px}
  .cta{grid-template-columns:1fr;padding:40px 28px;text-align:left}
  .site-footer__top{grid-template-columns:1fr 1fr;gap:32px}
  .nav-toggle{display:block}
  .site-nav{
    position:absolute;left:0;right:0;top:74px;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:12px;gap:2px;display:none
  }
  .site-nav.is-open{display:flex}
  .site-nav a{padding:13px 16px;font-size:16px}
  .site-header__inner{gap:12px}
  .site-header__inner .btn{padding:10px 18px;font-size:14px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .section{padding:52px 0}
  .section--tight{padding:36px 0}
  .container{padding:0 18px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .video-grid,.video-grid--2,.video-grid--4{grid-template-columns:1fr}
  .vfilter{gap:8px;margin-bottom:22px}
  .vchip{padding:8px 13px;font-size:13.5px}
  .vgroup+.vgroup{margin-top:34px}
  .field-row{grid-template-columns:1fr;gap:0}
  .card-form{padding:22px}
  .hero{padding:44px 0 40px}
  .site-footer__top{grid-template-columns:1fr}
  .plan-card--hl{transform:none}
  .hero__stats{gap:12px 26px}
  .hero__stats strong{font-size:22px}
  .brand__text em{display:none}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}