/* ============================================================
   站02 cy.9lart.cn · 京牌汇 · 价格答案站主题
   配色：深蓝 #1d3557 + 活力橙 #f4801f（区别于站01黑金）
   零JS方案：FAQ用 details/summary 原生折叠
   ============================================================ */
:root{
  --primary:#1d3557;
  --primary-dark:#152741;
  --primary-light:#2a4a77;
  --accent:#f4801f;
  --accent-dark:#d96d10;
  --accent-light:#fff3e6;
  --gold:#f4801f;          /* 新闻卡底条引用V7规范变量名，值为站02橙 */
  --dark:#182234;
  --text:#3d4a5c;
  --text-light:#7a8698;
  --gray-bg:#f5f8fb;
  --gray-border:#e3eaf2;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);font-size:15px;line-height:1.75;background:#fff}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 头部导航 ---------- */
.site-header{background:var(--primary);position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(21,39,65,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px;position:relative}
/* 纯CSS移动端汉堡菜单（零JS） */
.nav-toggle{display:none}
.nav-toggle-label{display:none;width:34px;height:26px;cursor:pointer;flex-direction:column;justify-content:space-between;padding:2px 0}
.nav-toggle-label span{display:block;height:3px;background:#fff;border-radius:2px;transition:.2s}
.nav-toggle:checked ~ .nav-toggle-label span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle:checked ~ .nav-toggle-label span:nth-child(2){opacity:0}
.nav-toggle:checked ~ .nav-toggle-label span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:22px;font-weight:700;white-space:nowrap}
.logo:hover{color:#fff}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--accent);color:#fff;border-radius:9px;font-size:19px;font-weight:700}
.main-nav{display:flex;gap:2px;flex:1;justify-content:center;flex-wrap:wrap}
.main-nav a{color:#dbe4f0;padding:6px 11px;border-radius:6px;font-size:14px;white-space:nowrap}
.main-nav a:hover{color:#fff;background:var(--primary-light)}
.header-tel{background:var(--accent);color:#fff;padding:8px 18px;border-radius:8px;font-weight:700;font-size:15px;white-space:nowrap}
.header-tel:hover{background:var(--accent-dark);color:#fff}

/* ---------- 首页Hero（答案区） ---------- */
.hero{background:linear-gradient(160deg,#eef4fb 0%,#f7fafd 55%,var(--accent-light) 100%);padding:52px 0 60px}
.hero-badge{display:inline-block;background:#fff;border:1px solid var(--gray-border);color:var(--primary);font-size:13px;padding:4px 14px;border-radius:999px;margin-bottom:18px;font-weight:600}
.hero h1{font-size:40px;color:var(--dark);line-height:1.3;max-width:780px}
.hero-sub{font-size:16px;color:var(--text-light);margin-top:12px;max-width:760px}
.hero-sub strong{color:var(--accent-dark);font-size:19px}
.hero-price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.price-card{background:#fff;border:1px solid var(--gray-border);border-radius:14px;padding:24px;box-shadow:0 6px 24px rgba(29,53,87,.06);transition:transform .2s,box-shadow .2s;display:block;color:inherit}
.price-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(29,53,87,.12);color:inherit}
.price-card .pc-label{font-size:14px;color:var(--text-light);font-weight:600}
.price-card .pc-value{font-size:29px;font-weight:800;color:var(--primary);margin:4px 0 2px;font-family:Georgia,"Times New Roman",serif}
.price-card .pc-value em{font-style:normal;font-size:14px;font-weight:600;color:var(--text-light)}
.price-card .pc-note{font-size:13px;color:var(--text-light)}
.price-card .pc-link{font-size:13px;color:var(--accent-dark);font-weight:600;margin-top:10px;display:inline-block}
.hero-cta{display:flex;gap:16px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 32px;border-radius:10px;font-size:16px;font-weight:700}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-outline{border:2px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.hero-disclaimer{margin-top:16px;font-size:13px;color:var(--text-light)}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0}
.section.gray{background:var(--gray-bg)}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{font-size:28px;color:var(--dark);font-weight:700}
.section-title .accent{color:var(--accent)}
.section-title p{color:var(--text-light);margin-top:8px;font-size:15px}

/* ---------- 价格表 ---------- */
.price-table-wrap{overflow-x:auto;border-radius:12px;box-shadow:0 4px 20px rgba(29,53,87,.06)}
.price-table{width:100%;border-collapse:collapse;background:#fff}
.price-table th{background:var(--primary);color:#fff;padding:14px 12px;font-size:15px;white-space:nowrap;font-weight:600}
.price-table td{padding:14px 12px;text-align:center;border-bottom:1px solid var(--gray-border);font-size:15px}
.price-table tr:last-child td{border-bottom:none}
.price-table td:first-child{font-weight:700;color:var(--dark);text-align:left;white-space:nowrap}
.price-table tbody tr:nth-child(even){background:#f8fafd}
.price-table tbody tr:hover td{background:#f2f7fd}
.table-note{font-size:13px;color:var(--text-light);margin-top:12px;text-align:center}
.table-note a{color:var(--accent-dark);font-weight:600}

/* ---------- 影响因素卡 ---------- */
.factor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.factor-card{background:#fff;border:1px solid var(--gray-border);border-radius:12px;padding:24px}
.factor-card .fc-num{width:40px;height:40px;border-radius:10px;background:var(--accent-light);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;margin-bottom:14px;font-family:Georgia,serif}
.factor-card h3{font-size:17px;color:var(--dark);margin-bottom:8px}
.factor-card p{font-size:14px;color:var(--text-light);line-height:1.7}
.factor-card p a{color:var(--accent-dark);font-weight:600}

/* ---------- 频道入口卡 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.channel-card{background:#fff;border:1px solid var(--gray-border);border-top:4px solid var(--primary);border-radius:12px;padding:24px;display:block;color:inherit;transition:box-shadow .2s,transform .2s}
.channel-card:hover{box-shadow:0 10px 28px rgba(29,53,87,.1);color:inherit;transform:translateY(-3px)}
.channel-card h3{font-size:18px;color:var(--dark);margin-bottom:8px}
.channel-card p{font-size:14px;color:var(--text-light)}
.channel-card .cc-price{margin-top:12px;font-size:15px;font-weight:700;color:var(--accent-dark)}

/* ---------- FAQ手风琴 ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--gray-border);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:17px 24px;font-weight:700;color:var(--dark);font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--accent);font-weight:400;flex-shrink:0}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 24px 20px;color:var(--text);font-size:15px;line-height:1.8}
.faq-item .faq-body p+p{margin-top:8px}

/* ---------- 新闻区块（V7定稿规范，勿改结构） ---------- */
.news-section{background:var(--gray-bg);padding:32px 0 48px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.news-card{display:block;background:#fff;border-radius:8px;padding:14px 16px;border:1px solid var(--gray-border);border-bottom:3px solid var(--gold);transition:box-shadow .2s;color:inherit}
.news-card:hover{box-shadow:0 4px 16px rgba(0,0,0,0.06)}
.news-card h4{font-size:15px;font-weight:600;color:var(--dark);margin-bottom:6px;line-height:1.5}
.news-card p{font-size:13px;color:var(--text-light);line-height:1.6}
.news-card .date{font-size:12px;color:#999;margin-top:6px}

/* ---------- 区域入口 ---------- */
.area-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:10px}
.area-link{display:block;text-align:center;padding:11px 4px;background:#fff;border:1px solid var(--gray-border);border-radius:8px;font-size:14px;color:var(--text)}
.area-link:hover{border-color:var(--accent);color:var(--accent-dark);background:var(--accent-light)}

/* ---------- 关于/信任 ---------- */
.about-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center}
.about-text h3{font-size:20px;color:var(--dark);margin-bottom:12px}
.about-text p{font-size:15px;color:var(--text);margin-bottom:10px}
.about-text p a{color:var(--accent-dark);font-weight:600}
.trust-panel{background:var(--primary);color:#fff;border-radius:14px;padding:28px}
.trust-panel h3{font-size:18px;margin-bottom:16px;color:#fff}
.trust-panel .tp-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.18);font-size:14px;color:#c9d6e8}
.trust-panel .tp-row:last-child{border-bottom:none}
.trust-panel .tp-row strong{color:#fff;font-weight:600;text-align:right}
.trust-panel .tp-row strong.tel{color:var(--accent);font-size:18px}

/* ---------- CTA横幅 ---------- */
.cta-band{background:linear-gradient(120deg,var(--primary),var(--primary-light));border-radius:16px;color:#fff;padding:32px 40px;display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;margin-top:8px}
.cta-band h2{font-size:22px;margin:0}
.cta-band p{color:#c9d6e8;margin-top:8px;font-size:14px;line-height:1.9;max-width:640px}
.cta-band .btn{flex-shrink:0}
.cta-phone{display:flex;flex-direction:column;align-items:center;background:var(--accent);color:#fff;border-radius:14px;padding:14px 36px;flex-shrink:0;box-shadow:0 6px 18px rgba(244,128,31,.35);transition:transform .2s,background .2s}
.cta-phone:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.cta-phone .cp-num{font-size:25px;font-weight:800;letter-spacing:.5px}
.cta-phone .cp-tip{font-size:12px;opacity:.92;margin-top:4px;letter-spacing:1px}
/* 关键词锚文本：正文内链醒目样式 */
a.kw-link{color:var(--accent-dark);font-weight:600;text-decoration:none;border-bottom:1px dashed rgba(217,109,16,.45);padding-bottom:1px;transition:color .2s,border-color .2s}
a.kw-link:hover{color:var(--primary);border-bottom-style:solid;border-bottom-color:var(--primary)}
.cta-band .kw-link,.footer-nav-text .kw-link{color:#ffb469;border-bottom-color:rgba(255,180,105,.5)}
.cta-band .kw-link:hover,.footer-nav-text .kw-link:hover{color:#ffd9ad;border-bottom-color:#ffd9ad}
@media(max-width:640px){.cta-band{padding:26px 22px}.cta-phone{padding:12px 26px}.cta-phone .cp-num{font-size:21px}}

/* ---------- 子页头部 ---------- */
.breadcrumb{padding:16px 0;font-size:13px;color:var(--text-light)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--accent)}
.page-hero{background:linear-gradient(160deg,#eef4fb,#f7fafd);padding:32px 0 40px;border-bottom:1px solid var(--gray-border)}
.page-hero h1{font-size:31px;color:var(--dark);line-height:1.35}
.page-hero .ph-sub{margin-top:10px;color:var(--text-light);font-size:15px;max-width:860px}

/* ---------- 正文段落块 ---------- */
.content-block{max-width:900px;margin:0 auto 40px}
.content-block h2{font-size:24px;color:var(--dark);margin-bottom:16px;font-weight:700}
.content-block h3{font-size:18px;color:var(--dark);margin:20px 0 10px}
.content-block p{margin-bottom:14px;font-size:15px;line-height:1.9}
.content-block p a,.content-block li a{color:var(--accent-dark);font-weight:600;border-bottom:1px dashed rgba(217,109,16,.4)}
.content-block ul{margin:0 0 14px 4px}
.content-block li{padding-left:18px;position:relative;margin-bottom:8px}
.content-block li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--accent)}

/* ---------- 期限专页入口 ---------- */
.term-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.term-card{background:#fff;border:1px solid var(--gray-border);border-radius:12px;padding:20px;display:block;color:inherit;transition:box-shadow .2s}
.term-card:hover{box-shadow:0 8px 24px rgba(29,53,87,.1);color:inherit}
.term-card h3{font-size:16px;color:var(--dark);margin-bottom:6px}
.term-card p{font-size:13px;color:var(--text-light)}
.term-card .tc-price{margin-top:8px;font-size:16px;font-weight:800;color:var(--accent-dark);font-family:Georgia,serif}

/* ---------- 对比表 ---------- */
.vs-table td:first-child{width:160px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:#b8c4d6;padding:48px 0 0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1.1fr 1.3fr auto;gap:36px;padding-bottom:36px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer-links a{display:inline-block;width:33%;color:#b8c4d6;font-size:14px;padding:3px 0}
.footer-links a:hover{color:var(--accent)}
.footer-about p{font-size:14px;line-height:1.9;margin-bottom:12px}
.footer-contact p{font-size:14px;line-height:2.1}
.footer-contact .fc-tel{color:var(--accent);font-size:21px;font-weight:700;display:block}
.footer-contact .fc-tel:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center;font-size:13px;color:#8b98ab;line-height:1.9}
.footer-bottom a{color:#b8c4d6}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media(max-width:992px){
  .hero-price-grid,.factor-grid,.channel-grid,.term-grid{grid-template-columns:repeat(2,1fr)}
  .area-grid{grid-template-columns:repeat(4,1fr)}
  .about-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-links a{width:50%}
  .hero h1{font-size:32px}
}
@media(max-width:640px){
  .hero-price-grid,.factor-grid,.channel-grid,.term-grid{grid-template-columns:1fr}
  .area-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .footer-links a{width:50%}
  .hero h1{font-size:27px}
  .page-hero h1{font-size:24px}
  .header-tel{padding:7px 12px;font-size:13px}
  .nav-toggle-label{display:flex}
  .main-nav{display:none}
  .nav-toggle:checked ~ .main-nav{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--primary-dark);padding:10px 20px 16px;gap:2px;box-shadow:0 10px 24px rgba(0,0,0,.25)}
  .nav-toggle:checked ~ .main-nav a{padding:9px 4px;border-bottom:1px solid rgba(255,255,255,.08)}
  .cta-band{padding:26px 22px}
}

/* 底部一句话次导航 */
.footer-nav-text{padding:16px 0 6px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8b98ab;line-height:2;text-align:center;max-width:980px;margin:0 auto}
.footer-nav-text a{color:#b8c4d6;margin:0 1px;border-bottom:1px dashed rgba(184,196,214,.35)}
.footer-nav-text a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- 步骤/要点/网站地图（批量页组件） ---------- */
.step-list{counter-reset:step;display:grid;gap:14px;margin:18px 0}
.step-list li{background:#fff;border:1px solid var(--gray-border);border-radius:10px;padding:16px 18px 16px 58px;position:relative;counter-increment:step}
.step-list li::before{content:counter(step,decimal-leading-zero);position:absolute;left:16px;top:50%;transform:translateY(-50%);font-family:Georgia,serif;font-size:22px;font-weight:700;color:var(--accent)}
.step-list li strong{color:var(--dark)}
.point-list{margin:14px 0;display:grid;gap:10px}
.point-list li{background:#fff;border:1px solid var(--gray-border);border-left:3px solid var(--accent);border-radius:8px;padding:12px 16px}
.point-list li strong{color:var(--dark)}
.sitemap-list{columns:2;column-gap:36px;padding:0;list-style:none}
.sitemap-list li{margin-bottom:8px;font-size:14px;break-inside:avoid}
.sitemap-list li a{color:var(--text);border-bottom:1px dashed var(--gray-border)}
.sitemap-list li a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.sitemap-list li.sm-group{margin-top:18px;font-weight:700;color:var(--primary);font-size:15px;list-style:none}
.sitemap-list li.sm-group::before{content:"▍";color:var(--accent);margin-right:6px}
@media(max-width:640px){.sitemap-list{columns:1}}

/* ---------- 客服二维码 ---------- */
.footer-qr{text-align:center;align-self:center}
.footer-qr h4{color:#fff;font-size:16px;margin-bottom:12px}
.footer-qr img{width:112px;height:112px;object-fit:contain;background:#fff;border-radius:10px;padding:6px;border:1px solid rgba(255,255,255,.18);display:block;margin:0 auto 8px}
.footer-qr p{font-size:12px;color:#8b98ab}
.contact-qr-card{background:#fff;border:1px solid var(--gray-border);border-top:3px solid var(--accent);border-radius:12px;padding:28px 24px;text-align:center;max-width:320px;margin:0 auto}
.contact-qr-card h3{font-size:19px;color:var(--dark);margin-bottom:14px}
.contact-qr-card img{width:180px;height:180px;object-fit:contain;border:1px solid var(--gray-border);border-radius:12px;padding:8px;display:block;margin:0 auto 12px}
.contact-qr-card .qr-tip{font-size:15px;color:var(--text);font-weight:600;margin-bottom:6px}
.contact-qr-card .qr-sub{font-size:13px;color:var(--text-light)}
@media(max-width:992px){.footer-grid{grid-template-columns:1fr 1fr}.footer-qr{grid-column:span 2}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}.footer-qr{grid-column:span 1}}