/* ============================================
   爆料吃瓜网 官网样式表 · 原创海边主题
   配色：深海蓝 #0B3C5D / 浪花青 #1D8A99 / 日落珊瑚 #F4845F / 沙滩米 #FDF6EC / 墨蓝 #062033
   ============================================ */
:root{
  --sea-deep:#0B3C5D;
  --sea-teal:#1D8A99;
  --coral:#F4845F;
  --sand:#FDF6EC;
  --ink:#062033;
  --white:#ffffff;
  --gray:#5b6b78;
  --line:#e4ded2;
  --radius:14px;
  --shadow:0 6px 24px rgba(6,32,51,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--ink);
  background:var(--sand);
  line-height:1.75;
  font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--sea-teal);text-decoration:none;transition:color .25s}
a:hover{color:var(--coral)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- 顶部 ---------- */
.topbar{
  background:var(--sea-deep);
  color:#cfe3ec;
  font-size:13px;
  padding:6px 0;
}
.topbar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px}
.site-header{
  background:var(--white);
  box-shadow:0 2px 12px rgba(6,32,51,.08);
  position:sticky;top:0;z-index:100;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:20px;flex-wrap:wrap;
}
.logo-link{display:flex;align-items:center;gap:10px}
.logo-link img{height:52px;width:auto}
.logo-slogan{font-size:12px;color:var(--gray);letter-spacing:1px}
.main-nav ul{display:flex;list-style:none;gap:6px;flex-wrap:wrap}
.main-nav a{
  display:block;padding:8px 16px;border-radius:22px;
  color:var(--ink);font-weight:600;font-size:15px;
}
.main-nav a:hover,.main-nav a.active{background:var(--sea-teal);color:#fff}

/* ---------- 搜索框 ---------- */
.search-band{background:linear-gradient(90deg,var(--sea-deep),var(--sea-teal));padding:14px 0}
.search-box{display:flex;max-width:640px;margin:0 auto;gap:0}
.search-box input{
  flex:1;border:none;padding:12px 18px;font-size:15px;
  border-radius:26px 0 0 26px;outline:none;background:#fff;color:var(--ink);
}
.search-box button{
  border:none;background:var(--coral);color:#fff;font-size:15px;font-weight:700;
  padding:12px 28px;border-radius:0 26px 26px 0;cursor:pointer;transition:background .25s;
}
.search-box button:hover{background:#e06a44}
.search-tip{text-align:center;color:#d8ecf1;font-size:12px;margin-top:8px}
.search-tags{text-align:center;margin-top:6px}
.search-tags a{color:#eaf6f8;font-size:12px;margin:0 8px;text-decoration:underline dotted}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--gray);padding:14px 0}
.breadcrumb a{color:var(--sea-teal)}
.breadcrumb span{color:var(--gray)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--sea-deep)}
.hero img.hero-bg{width:100%;height:auto;min-height:320px;object-fit:cover;opacity:.88}
.hero-copy{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  max-width:1180px;margin:0 auto;padding:0 20px;
}
.hero-copy h1{
  font-size:clamp(26px,4.2vw,46px);color:#fff;
  text-shadow:0 3px 14px rgba(6,32,51,.55);line-height:1.35;
}
.hero-copy p{
  color:#f2fbfd;max-width:640px;margin-top:14px;font-size:clamp(14px,1.6vw,18px);
  text-shadow:0 2px 10px rgba(6,32,51,.5);
}
.hero-btns{margin-top:22px;display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:11px 30px;border-radius:26px;font-weight:700;font-size:15px;
  transition:transform .2s,box-shadow .2s;
}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(244,132,95,.4)}
.btn-ghost{border:2px solid #fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--sea-deep)}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
.section-alt{background:var(--white)}
.section-head{text-align:center;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,3vw,32px);color:var(--sea-deep)}
.section-head p{color:var(--gray);margin-top:8px;max-width:760px;margin-left:auto;margin-right:auto}
.badge-line{width:64px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--sea-teal),var(--coral));margin:14px auto 0}

/* ---------- 卡片栅格 ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);
  overflow:hidden;transition:transform .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-6px);box-shadow:0 14px 32px rgba(6,32,51,.16)}
.card-body{padding:20px}
.card-body h3{font-size:18px;color:var(--sea-deep);margin-bottom:8px}
.card-body p{font-size:14px;color:var(--gray)}
.card-tags{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.tag{
  font-size:12px;background:#e8f4f6;color:var(--sea-teal);
  padding:3px 12px;border-radius:14px;
}
.tag-coral{background:#fdeee7;color:var(--coral)}

/* ---------- 视频卡片 ---------- */
.video-card{position:relative;cursor:pointer}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--sea-deep)}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(6,32,51,.36);opacity:0;transition:opacity .3s;
}
.video-card:hover .play-btn,.video-card:focus-within .play-btn{opacity:1}
.play-btn span{
  width:64px;height:64px;border-radius:50%;background:rgba(244,132,95,.94);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 22px rgba(244,132,95,.55);
}
.play-btn span::after{
  content:"";display:block;margin-left:5px;
  border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;
}
.video-duration{
  position:absolute;right:10px;bottom:10px;background:rgba(6,32,51,.78);
  color:#fff;font-size:12px;padding:2px 9px;border-radius:5px;
}
.video-meta{
  display:flex;gap:16px;font-size:13px;color:var(--gray);
  margin-top:10px;flex-wrap:wrap;
}
.video-meta em{font-style:normal;color:var(--sea-teal);font-weight:700}

/* ---------- 特性条 ---------- */
.feature-row{display:flex;gap:14px;align-items:flex-start}
.feature-icon{
  flex:0 0 46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg,var(--sea-teal),var(--sea-deep));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:800;
}
.feature-icon.coral{background:linear-gradient(135deg,var(--coral),#d95f38)}

/* ---------- 专家 ---------- */
.expert-card{text-align:center}
.expert-card .avatar{
  width:120px;height:120px;border-radius:50%;overflow:hidden;
  margin:24px auto 0;border:4px solid #e8f4f6;
}
.expert-card .avatar img{width:100%;height:100%;object-fit:cover}
.expert-role{color:var(--coral);font-size:13px;font-weight:700;margin-bottom:6px}
.expert-links{display:flex;gap:10px;justify-content:center;margin:14px 0 22px}
.expert-links a{
  font-size:13px;padding:6px 16px;border-radius:18px;border:1px solid var(--sea-teal);
}
.expert-links a:hover{background:var(--sea-teal);color:#fff}
.expert-honor{font-size:12px;color:var(--gray);margin-top:8px}

/* ---------- Logo墙 ---------- */
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.logo-wall .brand{
  background:var(--white);border:1px solid var(--line);border-radius:12px;
  padding:22px 10px;text-align:center;font-weight:800;color:var(--sea-deep);
  letter-spacing:1px;font-size:15px;transition:border-color .25s;
}
.logo-wall .brand small{display:block;font-weight:400;color:var(--gray);font-size:12px;margin-top:4px}
.logo-wall .brand:hover{border-color:var(--sea-teal)}

/* ---------- 步骤 ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--white);border-radius:var(--radius);padding:26px 20px;box-shadow:var(--shadow);
  position:relative;
}
.step::before{
  counter-increment:step;content:counter(step);
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--coral),var(--sea-teal));
  color:#fff;font-weight:800;font-size:18px;margin-bottom:14px;
}
.step h3{font-size:16px;color:var(--sea-deep);margin-bottom:6px}
.step p{font-size:13px;color:var(--gray)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--white);border-radius:12px;box-shadow:var(--shadow);
  margin-bottom:14px;overflow:hidden;
}
.faq-item summary{
  cursor:pointer;padding:16px 22px;font-weight:700;color:var(--sea-deep);
  list-style:none;position:relative;padding-right:46px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;color:var(--coral);transition:transform .25s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item .faq-a{padding:0 22px 18px;color:var(--gray);font-size:14px}

/* ---------- 评论 ---------- */
.review-card{padding:24px}
.review-stars{color:#f5a623;font-size:15px;letter-spacing:2px}
.review-text{margin:12px 0;font-size:14px;color:var(--ink)}
.review-user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--gray)}
.review-user .u-avatar{
  width:36px;height:36px;border-radius:50%;color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--sea-teal),var(--sea-deep));
}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}
.contact-info{background:var(--white);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.contact-info h3{color:var(--sea-deep);margin-bottom:14px}
.contact-info ul{list-style:none}
.contact-info li{
  padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--gray);
  display:flex;gap:10px;
}
.contact-info li b{color:var(--ink);flex:0 0 84px}
.qr-row{display:flex;gap:22px;margin-top:18px;flex-wrap:wrap}
.qr-item{text-align:center;font-size:13px;color:var(--gray)}
.qr-item img{width:112px;height:112px;border:1px solid var(--line);border-radius:10px;padding:6px;background:#fff;margin:0 auto 8px}

/* ---------- 分享 ---------- */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-bar a{
  padding:9px 22px;border-radius:22px;color:#fff;font-size:14px;font-weight:600;
}
.share-wechat{background:#09bb07}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bili{background:#fb7299}
.share-qq{background:#12b7f5}
.share-bar a:hover{opacity:.85;color:#fff}

/* ---------- 今日更新时效条 ---------- */
.update-band{background:linear-gradient(90deg,var(--sea-deep),var(--sea-teal));color:var(--sand);padding:10px 0}
.update-band .container{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px}
.update-band .update-badge{background:var(--coral);color:#fff;border-radius:4px;padding:2px 10px;font-weight:700;font-size:13px;white-space:nowrap}
.update-band a{color:#ffe3d4}
.update-band a:hover{text-decoration:underline;color:#fff}

/* ---------- 作者署名条（EEAT） ---------- */
.author-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;background:#f2f8f9;border-left:4px solid var(--sea-teal);border-radius:6px;padding:10px 16px;margin:0 0 18px;font-size:13px;color:#4a6a76}
.author-line b{color:var(--sea-deep)}

/* ---------- 权威荣誉墙（EEAT） ---------- */
.honor-wall{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.honor-item{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:18px 16px;text-align:center}
.honor-item .honor-year{display:inline-block;background:var(--sea-deep);color:var(--sand);border-radius:4px;font-size:12px;padding:2px 10px;margin-bottom:8px}
.honor-item h3{font-size:15px;color:var(--sea-deep);margin:0 0 6px}
.honor-item p{font-size:13px;color:var(--gray);margin:0;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#9fb6c3;margin-top:60px}
.footer-main{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;
  padding:48px 0 34px;
}
.footer-main h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer-main ul{list-style:none}
.footer-main li{margin-bottom:8px;font-size:14px}
.footer-main a{color:#9fb6c3}
.footer-main a:hover{color:var(--coral)}
.footer-logo img{height:44px;margin-bottom:12px}
.footer-about{font-size:13px;line-height:1.8}
.footer-qr{display:flex;gap:16px}
.footer-qr .qr-item img{width:96px;height:96px;background:#fff}
.footer-qr .qr-item{color:#9fb6c3;font-size:12px}
.footer-trust{border-top:1px solid rgba(255,255,255,.08);padding:14px 0}
.footer-trust .trust-links{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;margin:0 0 8px}
.footer-trust .trust-links a{color:#9fb6c3;font-size:13px}
.footer-trust .trust-links a:hover{color:var(--coral)}
.footer-trust .trust-note{color:#6f8b99;font-size:12px;text-align:center;margin:0;line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:16px 0;font-size:13px;text-align:center;color:#7d95a4;
}
.footer-bottom p{margin:4px 0}

/* ---------- 返回顶部 ---------- */
#backTop{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;
  background:var(--sea-teal);color:#fff;border:none;font-size:18px;cursor:pointer;
  display:none;box-shadow:0 6px 18px rgba(29,138,153,.4);z-index:99;
}
#backTop:hover{background:var(--coral)}

/* ---------- 页面横幅 ---------- */
.page-banner{position:relative;background:var(--sea-deep)}
.page-banner img{width:100%;height:260px;object-fit:cover;opacity:.8}
.page-banner .pb-copy{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;
}
.page-banner h1{color:#fff;font-size:clamp(24px,3.4vw,38px);text-shadow:0 3px 12px rgba(6,32,51,.6)}
.page-banner p{color:#e8f6f9;margin-top:8px;font-size:15px;text-shadow:0 2px 8px rgba(6,32,51,.55);max-width:680px;padding:0 16px}

/* ---------- 文章内容 ---------- */
.article{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px}
.article h2{color:var(--sea-deep);margin:26px 0 12px;font-size:22px}
.article h3{color:var(--sea-teal);margin:20px 0 10px;font-size:18px}
.article p{margin-bottom:14px;color:#374b58;font-size:15px}
.article ul,.article ol{margin:0 0 14px 22px;color:#374b58;font-size:15px}
.article li{margin-bottom:6px}

/* ---------- 数据统计条 ---------- */
.stat-band{background:linear-gradient(120deg,var(--sea-deep),var(--sea-teal));color:#fff}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:38px 0;text-align:center}
.stat-num{font-size:clamp(24px,3vw,36px);font-weight:800;color:#fff}
.stat-num i{font-style:normal;font-size:16px;color:#bfe6ec}
.stat-label{font-size:14px;color:#d5edf1;margin-top:4px}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .footer-main{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
  .footer-main{grid-template-columns:1fr}
  .header-inner{justify-content:center}
  .main-nav a{padding:7px 12px;font-size:14px}
  .hero img.hero-bg{min-height:380px}
  .page-banner img{height:200px}
  .article{padding:22px}
}