/*
Theme Name: TKdai v8
Theme URI: https://www.tkdai.com/
Author: TKdai Team
Description: TKdai 自定义主题，深蓝+粉青 v8 设计语言完整复刻，TikTok 跨境电商社区与资讯站。
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 7.4
License: GPL v2 or later
Text Domain: tkdai-v8
*/

:root{
  --navy-900:#0B2545;
  --navy-800:#13315C;
  --navy-700:#1B4079;
  --navy-50:#F4F7FB;
  --cyan-400:#7DD3D8;
  --cyan-500:#5BBFC4;
  --cyan-600:#3FA8AE;
  --pink-400:#F8B4C4;
  --pink-500:#F48FB1;
  --pink-600:#E879A0;
  --ink-900:#0F172A;
  --ink-700:#334155;
  --ink-500:#64748B;
  --ink-300:#CBD5E1;
  --ink-100:#E2E8F0;
  --bg:#F8FAFC;
  --card:#FFFFFF;
  --radius:12px;
  --shadow-sm:0 1px 2px rgba(11,37,69,.06);
  --shadow-md:0 4px 14px rgba(11,37,69,.08);
  --shadow-lg:0 12px 32px rgba(11,37,69,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-900);
  line-height:1.6;
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 20px}

/* Topbar */
.topbar{background:var(--navy-900);color:#A8B6CC;font-size:12px;padding:6px 0}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.topbar a{color:#A8B6CC;margin-left:14px;transition:color .15s}
.topbar a:hover{color:var(--cyan-400)}
.topbar .left span{margin-right:14px}

/* Header / Nav */
.site-header{background:linear-gradient(180deg,var(--navy-900) 0%,var(--navy-800) 100%);color:#fff;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-md)}
.nav{display:flex;align-items:center;height:64px;gap:32px}
.logo{display:flex;align-items:center;flex-shrink:0;line-height:0;color:#fff}
.logo .logo-svg{height:56px;width:auto;display:block;filter:drop-shadow(0 2px 10px rgba(37,244,238,.22))}
.logo:hover .logo-svg{filter:drop-shadow(0 2px 14px rgba(37,244,238,.45))}
.nav{height:auto;min-height:72px}
.nav-menu{display:flex;gap:4px;flex:1;list-style:none;margin:0;padding:0}
.nav-menu li{padding:0}
.nav-menu li a{padding:8px 14px;border-radius:8px;font-size:14px;color:#D7E0EE;transition:all .15s;display:inline-block}
.nav-menu li a:hover, .nav-menu .current-menu-item a, .nav-menu .current_page_item a{background:rgba(125,211,216,.16);color:var(--cyan-400)}
.nav-menu .current-menu-item a, .nav-menu .current_page_item a{font-weight:600}
.nav-cta{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:500;transition:all .15s;cursor:pointer;border:0;text-decoration:none}
.btn-primary{background:var(--cyan-500);color:#fff}
.btn-primary:hover{background:var(--cyan-600);transform:translateY(-1px);color:#fff}
.btn-ghost{background:transparent;color:#D7E0EE;border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{border-color:var(--cyan-400);color:var(--cyan-400)}
.btn-outline{background:#fff;color:var(--ink-700);border:1px solid var(--ink-100)}
.btn-outline:hover{border-color:var(--cyan-500);color:var(--navy-700)}
.btn-pink{background:linear-gradient(135deg,var(--pink-500),var(--pink-600));color:#fff}
.btn-pink:hover{transform:translateY(-1px);color:#fff;box-shadow:0 6px 16px rgba(244,143,177,.4)}
.btn-sm{padding:5px 11px;font-size:12px}
.btn-lg{padding:12px 22px;font-size:14px}
.menu-toggle{display:none;background:transparent;border:0;color:#fff;font-size:22px;cursor:pointer;padding:0 6px}

/* Hero */
.hero{
  background:radial-gradient(ellipse 60% 80% at 80% 0%,rgba(248,143,177,.18),transparent 60%),
    radial-gradient(ellipse 70% 80% at 10% 100%,rgba(125,211,216,.18),transparent 60%),
    linear-gradient(180deg,var(--navy-800) 0%,var(--navy-900) 100%);
  color:#fff;padding:48px 0 56px;
}
.hero h1{font-size:32px;font-weight:700;margin-bottom:10px;letter-spacing:.5px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--cyan-400),var(--pink-400));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:#B7C2D6;font-size:15px;margin-bottom:28px;max-width:760px}
.search-box{background:rgba(255,255,255,.96);border-radius:14px;padding:6px;display:flex;align-items:center;max-width:720px;box-shadow:var(--shadow-lg)}
.search-box input{flex:1;border:0;outline:0;padding:14px 18px;font-size:15px;background:transparent;color:var(--ink-900)}
.search-box .btn-primary{padding:12px 28px;font-size:14px;border-radius:10px}
.hot-search{margin-top:14px;color:#B7C2D6;font-size:13px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.hot-search strong{color:#fff;margin-right:4px}
.hot-search a{padding:3px 10px;background:rgba(255,255,255,.08);border-radius:14px;color:#D7E0EE;border:1px solid rgba(255,255,255,.1)}
.hot-search a:hover{background:rgba(125,211,216,.18);color:var(--cyan-400);border-color:var(--cyan-400)}

.hero-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.fx-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:14px 16px;backdrop-filter:blur(8px)}
.fx-card .label{color:#B7C2D6;font-size:12px;margin-bottom:4px}
.fx-card .val{font-size:18px;font-weight:600;color:#fff}
.fx-card .delta{font-size:12px;margin-top:2px}
.fx-up{color:#7DD3D8}
.fx-dn{color:var(--pink-400)}

/* Section */
.section{padding:36px 0 8px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:18px;gap:16px;flex-wrap:wrap}
.section-title{font-size:20px;font-weight:700;color:var(--ink-900);display:flex;align-items:center;gap:10px;margin:0}
.section-title::before{content:"";width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,var(--navy-700),var(--cyan-500))}
.section-title small{font-weight:400;color:var(--ink-500);font-size:13px;margin-left:6px}
.section-more{color:var(--ink-500);font-size:13px}
.section-more:hover{color:var(--navy-700)}

/* Grids */
.grid{display:grid;gap:14px}
.grid-6{grid-template-columns:repeat(6,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.tool-card{background:var(--card);border-radius:var(--radius);padding:16px;display:flex;gap:12px;align-items:flex-start;border:1px solid var(--ink-100);transition:all .18s;position:relative;color:var(--ink-900)}
.tool-card:hover{transform:translateY(-2px);border-color:var(--cyan-400);box-shadow:var(--shadow-md);color:var(--ink-900)}
.tool-icon{width:44px;height:44px;border-radius:10px;flex-shrink:0;background:linear-gradient(135deg,var(--navy-50),#fff);border:1px solid var(--ink-100);display:grid;place-items:center;font-weight:700;color:var(--navy-700);font-size:16px;overflow:hidden}
.tool-icon img{width:100%;height:100%;object-fit:contain;border-radius:8px}
.tool-body{flex:1;min-width:0}
.tool-name{font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tool-desc{font-size:12px;color:var(--ink-500);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tool-tag{position:absolute;top:10px;right:10px;font-size:10px;padding:2px 6px;border-radius:4px;background:var(--pink-500);color:#fff;font-weight:500}
.tool-tag.hot{background:var(--pink-500)}
.tool-tag.new{background:var(--cyan-500)}
.tool-tag.free{background:var(--navy-700)}

/* News module */
.news-row{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}
.news-feed{background:#fff;border-radius:var(--radius);padding:20px;border:1px solid var(--ink-100)}
.news-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--ink-100)}
.news-item:last-child{border-bottom:0}
.news-time{flex-shrink:0;width:70px;font-size:12px;color:var(--ink-500);border-right:2px solid var(--cyan-400);padding-right:10px;text-align:right;display:flex;flex-direction:column;justify-content:center}
.news-time strong{color:var(--navy-700);font-size:13px;display:block}
.news-body{flex:1}
.news-title{font-size:14px;color:var(--ink-900);font-weight:500;margin-bottom:4px;line-height:1.45}
.news-title:hover{color:var(--navy-700)}
.news-excerpt{font-size:12px;color:var(--ink-500);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-tag{display:inline-block;font-size:11px;padding:1px 7px;border-radius:3px;background:var(--navy-50);color:var(--navy-700);margin-right:6px}

.side-card{background:#fff;border-radius:var(--radius);border:1px solid var(--ink-100);overflow:hidden}
.side-head{padding:14px 18px;background:linear-gradient(135deg,var(--navy-800),var(--navy-700));color:#fff;font-weight:600;display:flex;justify-content:space-between;align-items:center}
.side-head .badge{font-size:11px;background:var(--pink-500);padding:2px 8px;border-radius:10px;font-weight:500}
.rank-list{padding:8px 0}
.rank-item{display:flex;align-items:center;gap:12px;padding:10px 18px;transition:background .15s;color:var(--ink-900)}
.rank-item:hover{background:var(--navy-50);color:var(--ink-900)}
.rank-no{width:22px;height:22px;border-radius:5px;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--ink-100);color:var(--ink-500);flex-shrink:0}
.rank-item:nth-child(1) .rank-no{background:var(--pink-500);color:#fff}
.rank-item:nth-child(2) .rank-no{background:var(--cyan-500);color:#fff}
.rank-item:nth-child(3) .rank-no{background:var(--navy-700);color:#fff}
.rank-name{font-size:13px;color:var(--ink-900);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-meta{font-size:11px;color:var(--ink-500)}

/* Link cluster */
.link-cluster{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius);padding:18px 20px}
.link-cluster h3{font-size:14px;color:var(--navy-800);margin-bottom:10px;font-weight:600;display:flex;align-items:center;gap:8px}
.link-cluster h3::before{content:"#";color:var(--cyan-500)}
.link-list{display:flex;flex-wrap:wrap;gap:6px 10px}
.link-list a{font-size:13px;color:var(--ink-700);padding:3px 8px;border-radius:5px;transition:all .15s}
.link-list a:hover{background:var(--navy-50);color:var(--navy-700)}

/* SEO content */
.seo-block{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius);padding:28px 32px;margin-top:18px}
.seo-block h2{font-size:18px;color:var(--navy-900);margin-bottom:14px;font-weight:700}
.seo-block h3{font-size:15px;color:var(--navy-800);margin:18px 0 8px;font-weight:600}
.seo-block p{font-size:13.5px;color:var(--ink-700);margin-bottom:10px;line-height:1.8}
.seo-block ul{margin:10px 0 14px 22px}
.seo-block li{font-size:13.5px;color:var(--ink-700);margin-bottom:6px;line-height:1.75}
.seo-block strong{color:var(--navy-800)}
.seo-block a{color:var(--navy-700);border-bottom:1px dashed var(--cyan-500)}

/* FAQ */
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:14px}
.faq-item{background:var(--navy-50);border-radius:10px;padding:16px 18px;border-left:3px solid var(--cyan-500)}
.faq-q{font-size:14px;font-weight:600;color:var(--navy-800);margin-bottom:6px}
.faq-q::before{content:"Q：";color:var(--pink-500)}
.faq-a{font-size:13px;color:var(--ink-700);line-height:1.7}
.faq-a::before{content:"A：";color:var(--cyan-600);font-weight:600}

/* Footer */
.site-footer{background:var(--navy-900);color:#A8B6CC;padding:40px 0 24px;margin-top:48px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:28px}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:12px;font-weight:600}
.footer-about p{font-size:13px;line-height:1.7;color:#8E9BB3}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer a{font-size:13px;color:#A8B6CC;transition:color .15s}
.site-footer a:hover{color:var(--cyan-400)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:#6F7E96;align-items:center}

/* Single article body */
.article-wrap{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius);padding:32px 36px}
.article-wrap h1{font-size:28px;font-weight:700;color:var(--ink-900);margin-bottom:14px}
.article-wrap .article-meta{display:flex;gap:14px;font-size:12.5px;color:var(--ink-500);padding-bottom:14px;margin-bottom:18px;border-bottom:1px dashed var(--ink-100);flex-wrap:wrap}
.article-wrap .entry-content{font-size:15px;line-height:1.85;color:var(--ink-700)}
.article-wrap .entry-content h2{font-size:22px;color:var(--navy-900);margin:24px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--navy-50);font-weight:700}
.article-wrap .entry-content h3{font-size:17px;color:var(--navy-800);margin:18px 0 8px;font-weight:600}
.article-wrap .entry-content p{margin-bottom:14px}
.article-wrap .entry-content ul,.article-wrap .entry-content ol{margin:10px 0 16px 28px}
.article-wrap .entry-content li{margin-bottom:6px}
.article-wrap .entry-content a{color:var(--navy-700);border-bottom:1px dashed var(--cyan-500)}
.article-wrap .entry-content blockquote{background:var(--navy-50);border-left:4px solid var(--cyan-500);padding:14px 18px;border-radius:8px;margin:14px 0;color:var(--ink-700)}
.article-wrap .entry-content code{background:var(--navy-50);padding:2px 6px;border-radius:4px;font-size:.9em;color:var(--navy-700)}
.article-wrap .entry-content table{width:100%;border-collapse:collapse;font-size:13px;margin:12px 0;border-radius:8px;overflow:hidden;border:1px solid var(--ink-100)}
.article-wrap .entry-content th{background:var(--navy-50);color:var(--navy-800);padding:10px 12px;text-align:left;border-bottom:1px solid var(--ink-100)}
.article-wrap .entry-content td{padding:10px 12px;border-bottom:1px solid var(--ink-100);color:var(--ink-700)}

.crumb{font-size:12.5px;color:var(--ink-500);margin-bottom:12px}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--navy-700)}
.crumb .sep{margin:0 6px;color:var(--ink-300)}

.tags-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding-top:18px;margin-top:18px;border-top:1px dashed var(--ink-100);font-size:12px;color:var(--ink-500)}
.tags-row a{padding:3px 10px;background:var(--navy-50);color:var(--navy-700);border-radius:14px}
.tags-row a:hover{background:var(--cyan-500);color:#fff}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:24px;flex-wrap:wrap}
.pagination .page-numbers{min-width:34px;height:34px;display:inline-grid;place-items:center;border-radius:8px;font-size:13px;color:var(--ink-700);background:#fff;border:1px solid var(--ink-100);padding:0 10px;text-decoration:none}
.pagination .page-numbers:hover{border-color:var(--cyan-500);color:var(--navy-700)}
.pagination .current{background:var(--navy-800);color:#fff;border-color:var(--navy-800);font-weight:600}

/* Sidebar */
.layout-2col{display:grid;grid-template-columns:1fr 290px;gap:24px;align-items:start}
.sidebar{position:sticky;top:80px;display:flex;flex-direction:column;gap:14px}
.widget{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius);overflow:hidden}
.widget h2, .widget h3{padding:12px 16px;background:linear-gradient(135deg,var(--navy-800),var(--navy-700));color:#fff;font-weight:600;font-size:13.5px;margin:0}
.widget ul{list-style:none;margin:0;padding:6px 0}
.widget li{padding:8px 16px;font-size:13px;border-bottom:1px dashed var(--ink-100)}
.widget li:last-child{border-bottom:0}
.widget li a{color:var(--ink-700)}
.widget li a:hover{color:var(--navy-700)}

/* 404 */
.err-wrap{min-height:60vh;display:grid;place-items:center;padding:40px 20px}
.err-card{text-align:center;max-width:520px}
.err-code{font-size:96px;font-weight:800;background:linear-gradient(135deg,var(--navy-800),var(--cyan-500),var(--pink-500));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;margin-bottom:14px}
.err-title{font-size:22px;color:var(--ink-900);font-weight:700;margin-bottom:8px}
.err-sub{font-size:14px;color:var(--ink-500);line-height:1.7;margin-bottom:24px}
.err-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* Article banner (post content top) */
.article-banner{margin:0 -36px 24px -36px;border-radius:12px 12px 0 0;overflow:hidden;line-height:0}
.article-banner svg{width:100%;height:auto;display:block}

/* Responsive */
@media (max-width:1024px){
  .grid-6{grid-template-columns:repeat(4,1fr)}
  .grid-5{grid-template-columns:repeat(4,1fr)}
  .news-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(3,1fr)}
  .layout-2col{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar > *{flex:1;min-width:240px}
}
@media (max-width:768px){
  .container{padding:0 14px}
  .nav{height:56px;gap:12px}
  .nav-menu{display:none;position:absolute;top:56px;left:0;right:0;background:var(--navy-900);flex-direction:column;padding:10px;gap:2px;border-top:1px solid rgba(255,255,255,.08)}
  .nav-menu.open{display:flex}
  .nav-menu li a{padding:12px 14px;border-radius:8px;display:block}
  .menu-toggle{display:block}
  .nav-cta .btn-ghost{display:none}
  .hero{padding:32px 0 36px}
  .hero h1{font-size:24px}
  .hero-sub{font-size:13.5px}
  .search-box input{padding:12px 14px;font-size:14px}
  .search-box .btn-primary{padding:10px 18px}
  .hero-meta{grid-template-columns:repeat(2,1fr)}
  .grid-6,.grid-5,.grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .faq-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .seo-block{padding:20px 18px}
  .article-wrap{padding:22px 18px}
  .article-banner{margin:0 -18px 20px -18px}
  .section{padding:24px 0 4px}
  .sidebar{flex-direction:column}
}
@media (max-width:420px){
  .grid-6,.grid-5,.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .hero h1{font-size:22px}
}