/* ==========================================================================
   君恒传媒官网 样式表 v1.0
   色彩沿用公司既有 VI：深蓝 #0E4F9C / 亮蓝 #1F6FEB / 强调橙 #F28C28
   设计原则：零 JS 依赖、内容优先、移动优先、AI 与爬虫可直读
   ========================================================================== */

:root{
  --blue:#0E4F9C;
  --blue2:#1F6FEB;
  --blue-soft:#EEF4FB;
  --blue-line:#CFE0F5;
  --orange:#F28C28;
  --orange-soft:#FFF4E8;
  --ink:#1F2329;
  --ink2:#3A4250;
  --gray:#5B6470;
  --gray2:#8A9099;
  --line:#E3E8EF;
  --bg:#FFFFFF;
  --bg2:#F7F9FC;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 1px 3px rgba(16,40,80,.06),0 8px 24px rgba(16,40,80,.05);
  --maxw:1120px;
  --font:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*,*::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,svg{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue2);text-decoration:underline}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .6em;font-weight:700;color:var(--ink)}
h1{font-size:2rem}
h2{font-size:1.55rem}
h3{font-size:1.18rem}
h4{font-size:1rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.4em}
li{margin:.3em 0}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
code{font-family:var(--mono);font-size:.9em;background:var(--blue-soft);padding:1px 6px;border-radius:4px;color:#0B3D7A}

.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:10px 18px;z-index:100;border-radius:0 0 8px 0}
.skip-link:focus{left:0;color:#fff}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
}
.hdr-in{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-logo{height:44px;width:auto}
@media(max-width:560px){.brand-logo{height:36px}}
.brand:hover{text-decoration:none}

.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.nav-btn{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-btn span{display:block;width:20px;height:2px;background:var(--blue);border-radius:2px}

.nav{margin-left:auto}
.nav>ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav>ul>li{position:relative;margin:0}
.nav>ul>li>a{display:block;padding:9px 14px;border-radius:9px;font-size:15px;color:var(--ink);font-weight:500}
.nav>ul>li>a:hover{background:var(--blue-soft);color:var(--blue);text-decoration:none}
.nav>ul>li.active>a{color:var(--blue);background:var(--blue-soft)}
.sub{position:absolute;top:100%;left:0;min-width:190px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);box-shadow:var(--shadow);padding:8px;list-style:none;margin:6px 0 0;
  opacity:0;visibility:hidden;transform:translateY(-4px);transition:.16s ease}
.nav li:hover>.sub,.nav li:focus-within>.sub{opacity:1;visibility:visible;transform:none}
.sub li{margin:0}
.sub a{display:block;padding:8px 12px;border-radius:6px;font-size:14px;color:var(--ink2)}
.sub a:hover{background:var(--blue-soft);color:var(--blue);text-decoration:none}
.nav .ext>a{color:var(--orange)}
.nav .ext>a:hover{background:var(--orange-soft);color:#C9720F}

@media(max-width:900px){
  .nav-btn{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    margin:0;padding:8px 16px 18px;box-shadow:var(--shadow);display:none}
  .nav-toggle:checked~.nav{display:block}
  .nav>ul{flex-direction:column;align-items:stretch;gap:2px}
  .nav>ul>li>a{padding:11px 12px;font-size:16px}
  .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    border-left:2px solid var(--blue-line);border-radius:0;margin:2px 0 6px 14px;padding:0}
  .sub a{padding:7px 12px;font-size:14px}
}

/* ---------- 主视觉 ---------- */
.hero{
  background:linear-gradient(160deg,#0B3D7A 0%,#0E4F9C 55%,#1F6FEB 100%);
  color:#fff;padding:72px 0 64px;position:relative;overflow:hidden;
}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;
  border:1px solid rgba(255,255,255,.14);border-radius:50%;pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero .kick{display:inline-block;background:var(--orange);color:#fff;font-size:13px;letter-spacing:1.5px;
  padding:5px 14px;border-radius:20px;margin-bottom:20px}
.hero h1{color:#fff;font-size:2.5rem;margin-bottom:.35em;letter-spacing:-.5px}
.hero .lead{font-size:1.12rem;color:rgba(255,255,255,.9);max-width:44em;margin-bottom:1.6em}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px}
/* 主行动按钮：加高、带副标题与动效箭头，强化点击欲 */
.btn-cta{display:inline-flex;flex-direction:column;gap:2px;align-items:flex-start;
  background:linear-gradient(135deg,#FFA53A,#F28C28 48%,#DF7A13);
  color:#fff;padding:15px 32px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 6px 20px rgba(242,140,40,.4);transition:.2s ease}
.btn-cta .cta-main{font-size:17px;font-weight:700;display:flex;align-items:center;gap:11px;line-height:1.3}
.btn-cta .cta-sub{font-size:12px;font-weight:400;opacity:.94;letter-spacing:.5px}
.btn-cta:hover{color:#fff;text-decoration:none;transform:translateY(-2px);
  box-shadow:0 11px 28px rgba(242,140,40,.52)}
.cta-arrow{position:relative;width:17px;height:16px;flex:0 0 17px}
.cta-arrow::before{content:"";position:absolute;left:0;top:7px;width:15px;height:2.5px;
  background:#fff;border-radius:2px}
.cta-arrow::after{content:"";position:absolute;right:0;top:3.5px;width:7px;height:7px;
  border-top:2.5px solid #fff;border-right:2.5px solid #fff;transform:rotate(45deg)}
@keyframes ctaNudge{from{transform:translateX(0)}to{transform:translateX(6px)}}
@media(prefers-reduced-motion:no-preference){
  .btn-cta:hover .cta-arrow{animation:ctaNudge .55s ease-in-out infinite alternate}
}

.btn{display:inline-block;padding:12px 26px;border-radius:10px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:.16s ease;cursor:pointer}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#DD7A16;color:#fff;text-decoration:none}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;text-decoration:none}
.btn-outline{background:#fff;color:var(--blue);border-color:var(--blue-line)}
.btn-outline:hover{background:var(--blue-soft);color:var(--blue);text-decoration:none}
.btn-sm{padding:8px 18px;font-size:14px}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
.section.tint{background:var(--bg2)}
.section-head{max-width:46em;margin-bottom:34px}
.section-head .kick{color:var(--orange);font-size:13px;letter-spacing:1.6px;font-weight:700;
  text-transform:uppercase;display:block;margin-bottom:10px}
.section-head h2{margin-bottom:.4em}
.section-head p{color:var(--gray);margin:0}

.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:.18s ease}
.card:hover{border-color:var(--blue-line);box-shadow:var(--shadow)}
.card h3{margin-bottom:.45em;font-size:1.1rem}
.card p{color:var(--ink2);font-size:15px;margin-bottom:0}
.card .card-link{display:inline-block;margin-top:12px;font-size:14px;font-weight:600;color:var(--blue)}
.card.soft{background:var(--blue-soft);border-color:var(--blue-line)}
.card.dark{background:var(--blue);border-color:var(--blue);color:#fff}
.card.dark h3{color:#fff}
.card.dark p{color:rgba(255,255,255,.85)}

.card .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:9px;background:var(--orange);color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}

/* 步骤条 */
.steps{counter-reset:st;list-style:none;padding:0;margin:0}
.steps li{position:relative;padding:0 0 26px 62px;margin:0;border-left:2px solid var(--blue-line);margin-left:17px}
.steps li:last-child{border-left-color:transparent;padding-bottom:0}
.steps li::before{counter-increment:st;content:counter(st);position:absolute;left:-18px;top:-2px;
  width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:flex;
  align-items:center;justify-content:center;font-weight:700;font-size:15px;border:3px solid #fff}
.steps li b{display:block;font-size:1.05rem;margin-bottom:.25em;color:var(--blue)}
.steps li p{margin:0;color:var(--ink2);font-size:15px}

/* 表格 */
.table-wrap{overflow-x:auto;margin:1.4rem 0;-webkit-overflow-scrolling:touch}
/* 窄屏下表格可横向滚动：右内缘加渐隐阴影，提示还有内容（inset 阴影不随内容滚动） */
@media(max-width:720px){.table-wrap{box-shadow:inset -20px 0 16px -16px rgba(31,35,41,.18)}}
table.tbl{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.tbl th,.tbl td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.tbl th{background:var(--blue-soft);color:var(--blue);font-weight:600;white-space:nowrap}
.tbl tr:nth-child(even) td{background:#FCFDFE}

/* FAQ */
.faq-list{margin:1.5rem 0}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;background:#fff;overflow:hidden}
.faq-item summary{cursor:pointer;padding:16px 20px;font-weight:600;font-size:16px;color:var(--ink);
  list-style:none;display:flex;gap:12px;align-items:flex-start;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";flex:0 0 auto;width:14px;height:14px;margin-top:7px;
  background:var(--orange);clip-path:polygon(46% 0,100% 50%,46% 100%,0 50%);transition:.2s}
.faq-item[open] summary::before{transform:rotate(90deg)}
.faq-item summary:hover{background:var(--bg2)}
.faq-item .a{padding:0 20px 18px 46px;color:var(--ink2);font-size:15px}
.faq-item .a p:last-child{margin-bottom:0}
.faq-item .tag{display:inline-block;font-size:12px;color:var(--blue);background:var(--blue-soft);
  border-radius:4px;padding:1px 8px;margin-left:8px;font-weight:400;vertical-align:middle}

/* 仅屏幕阅读器可见：用于补齐标题层级，不影响视觉呈现 */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

/* 实体信息块（NAP · 公司信息） */
.entity{background:var(--blue-soft);border:1px solid var(--blue-line);border-radius:var(--radius);
  padding:24px 26px;margin:2rem 0}
.entity h3,.entity .entity-title{margin:0 0 14px;padding:0;border:0;font-size:1.05rem;color:#0B3D7A;font-weight:700}
.entity dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:15px}
.entity dt{color:var(--gray);white-space:nowrap}
.entity dd{margin:0;color:var(--ink)}
@media(max-width:560px){.entity dl{grid-template-columns:1fr;gap:2px 0}
  .entity dt{margin-top:8px;font-size:13px}}

/* 面包屑 */
.crumb{font-size:13px;color:var(--gray2);padding:18px 0 0}
.crumb a{color:var(--gray)}
.crumb span{margin:0 7px;color:var(--line)}

/* 页面标题区 */
.page-head{background:var(--bg2);border-bottom:1px solid var(--line);padding:26px 0 38px}
.page-head h1{font-size:2rem;margin-bottom:.3em}
.page-head p{color:var(--gray);max-width:48em;margin:0}

/* 正文排版 */
.prose{max-width:46rem}
/* 与 .container 同时使用时：容器保持全宽，正文限宽但不居中，保证与面包屑左边界对齐。
   用 rem 而非 em —— em 会随元素自身字号浮动（标题、注释行宽不一），rem 恒定。 */
.container.prose{max-width:var(--maxw)}
.container.prose > *:not(.grid):not(.cta-band){max-width:46rem}
.prose h2{margin-top:2.2rem;padding-left:12px;border-left:4px solid var(--orange);font-size:1.4rem}
.prose h3{margin-top:1.7rem;color:var(--blue)}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4rem 0}
.prose th,.prose td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.prose th{background:var(--blue-soft);color:var(--blue);font-weight:600}
.prose blockquote{margin:1.4rem 0;padding:14px 20px;background:var(--bg2);
  border-left:4px solid var(--blue-line);color:var(--ink2);border-radius:0 8px 8px 0}
.prose blockquote p:last-child{margin-bottom:0}
.prose .hl{background:var(--orange-soft);border:1px solid #F4D9A8;border-radius:var(--radius-sm);
  padding:16px 20px;margin:1.4rem 0;color:#7A5A18;font-size:15px}
.prose .hl p:last-child{margin-bottom:0}
.prose ul,.prose ol{padding-left:1.5em}
.prose .lead{font-size:1.08rem;color:var(--ink2)}

/* 文章元信息 */
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--gray2);
  padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:28px}
.article-meta b{color:var(--gray);font-weight:500}

/* 相关阅读 */
.related{margin-top:3rem;padding-top:28px;border-top:1px solid var(--line)}
.related h2{font-size:1.2rem;margin-bottom:1rem;border:0;padding:0}

/* CTA 条 */
.cta-band{background:linear-gradient(135deg,#0B3D7A,#1F6FEB);border-radius:var(--radius);
  padding:40px 44px;color:#fff;display:flex;flex-wrap:wrap;gap:24px;
  align-items:center;justify-content:space-between;margin:3rem 0 0}
.cta-band h2{color:#fff;margin:0 0 .35em;font-size:1.4rem}
.cta-band p{margin:0;color:rgba(255,255,255,.85);font-size:15px;max-width:36em}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B2340;color:rgba(255,255,255,.72);font-size:14px;padding:56px 0 28px;margin-top:0}
.site-footer a{color:rgba(255,255,255,.85)}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
.site-footer h3{color:#fff;font-size:15px;margin:0 0 14px;font-weight:600}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.5em 0}
.site-footer .fbrand{margin-bottom:18px}
.site-footer .fbrand img{height:44px;width:auto}
.site-footer .fdesc{font-size:13px;line-height:1.7;color:rgba(255,255,255,.6);margin:0}
.foot-nap{font-size:13px;line-height:1.9;color:rgba(255,255,255,.62)}
.foot-nap b{color:rgba(255,255,255,.85);font-weight:500}
.foot-bottom{margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;
  color:rgba(255,255,255,.5)}
.foot-bottom .rel a{margin-right:16px}

/* 提示条 */
.notice{background:var(--orange-soft);border:1px solid #F4D9A8;border-radius:var(--radius-sm);
  padding:14px 18px;font-size:14px;color:#7A5A18;margin:1.4rem 0}
.notice p:last-child{margin-bottom:0}

@media(max-width:640px){
  body{font-size:15.5px}
  h1{font-size:1.6rem}
  .hero{padding:52px 0 46px}
  .hero h1{font-size:1.75rem}
  .hero .lead{font-size:1rem}
  .section{padding:46px 0}
  .page-head h1{font-size:1.5rem}
  .cta-band{padding:30px 24px}
}

@media print{
  .site-header,.site-footer,.cta-band,.nav{display:none}
  body{font-size:12pt}
  a{color:#000}
}