/*
Theme Name: 享瘦生活网
Theme URI: https://qcqh.top
Author: 享瘦生活网
Author URI: https://qcqh.top
Description: 专为科学减肥、健康减脂内容打造的原创中文主题，支持友情链接管理、SEO 结构化数据、响应式布局与高速加载。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.1
Requires PHP: 7.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: xiangshou
Tags: blog, news, two-columns, custom-menu, featured-images, translation-ready
*/

:root{
  --primary:#0ea371;
  --primary-dark:#0b8057;
  --primary-soft:#e6f7f0;
  --accent:#f59e0b;
  --accent-soft:#fef3e2;
  --ink:#1f2937;
  --muted:#6b7280;
  --bg:#ffffff;
  --bg-soft:#f4faf7;
  --line:#e7ece9;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 30px rgba(15,120,90,.10);
  --shadow-sm:0 4px 14px rgba(15,120,90,.08);
  --container:1180px;
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4,h5,h6{line-height:1.35;margin:0 0 .6em;font-weight:700;color:var(--ink)}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 22px}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;z-index:9999;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 6px 20px rgba(15,80,60,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:20px}
.site-brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.site-brand img{width:38px;height:38px}
.site-brand span{background:linear-gradient(120deg,var(--primary),#16b87c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.main-nav{display:flex;align-items:center}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.main-nav li{position:relative}
.main-nav a{display:block;padding:9px 14px;border-radius:9px;color:#374151;font-size:15.5px;font-weight:500}
.main-nav a:hover{background:var(--primary-soft);color:var(--primary-dark)}
.main-nav .current-menu-item > a,.main-nav .current_page_item > a{background:var(--primary);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.open span:nth-child(1){top:21px;transform:rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(135deg,#0b6d4f,#0ea371 55%,#18c08a)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;z-index:0}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 20% 0%,rgba(255,255,255,.14),transparent 55%),linear-gradient(180deg,rgba(6,60,44,.25),rgba(6,60,44,.55));z-index:1}
.hero-inner{position:relative;z-index:2;padding:92px 0 104px;max-width:820px}
.hero .hero-kicker{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#eafff6;font-size:13.5px;letter-spacing:2px;padding:6px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{color:#fff;font-size:46px;font-weight:800;letter-spacing:1px;margin-bottom:18px}
.hero p.lead{font-size:18.5px;color:rgba(255,255,255,.92);max-width:640px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:600;font-size:16px;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn-primary{background:#fff;color:var(--primary-dark)}
.btn-primary:hover{color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px)}
.hero-stats{position:relative;z-index:2;margin-top:56px;display:flex;gap:34px;flex-wrap:wrap}
.hero-stats .stat b{font-size:26px;display:block;line-height:1.2}
.hero-stats .stat span{font-size:13.5px;color:rgba(255,255,255,.78)}

/* ===== Sections ===== */
.section{padding:72px 0}
.section-soft{background:var(--bg-soft)}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px}
.section-head .tag{display:inline-block;color:var(--primary);background:var(--primary-soft);padding:4px 14px;border-radius:999px;font-size:13px;letter-spacing:1.5px;margin-bottom:14px}
.section-head h2{font-size:32px;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:16px}

/* ===== Category cards ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{position:relative;display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.cat-card .cat-thumb{height:160px;background-size:cover;background-position:center;position:relative}
.cat-card .cat-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(8,55,40,.62))}
.cat-card .cat-body{padding:20px 22px 22px}
.cat-card h3{margin-bottom:8px;font-size:19px}
.cat-card p{color:var(--muted);font-size:14.5px;margin-bottom:12px;min-height:44px}
.cat-card .cat-more{font-size:14px;font-weight:600;color:var(--primary)}
.cat-card .cat-count{position:absolute;right:14px;bottom:14px;z-index:2;color:#fff;font-size:12.5px;background:rgba(0,0,0,.28);padding:3px 10px;border-radius:999px;backdrop-filter:blur(4px)}

/* ===== Post cards ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.post-card .thumb{height:200px;overflow:hidden;background:var(--primary-soft)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.post-card:hover .thumb img{transform:scale(1.06)}
.post-card .p-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-card .p-meta{display:flex;gap:12px;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.post-card .p-meta a{color:var(--primary);font-weight:600}
.post-card h3{font-size:17.5px;margin-bottom:10px;line-height:1.5}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--primary)}
.post-card .p-excerpt{color:var(--muted);font-size:14px;flex:1;margin-bottom:14px}
.post-card .p-foot{font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px;display:flex;justify-content:space-between}
.section-more{text-align:center;margin-top:36px}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.step .step-num{width:46px;height:46px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:var(--primary-soft);color:var(--primary-dark);font-weight:800;font-size:20px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted);margin:0}

/* ===== Tags ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:860px;margin:0 auto}
.tag-cloud a{background:#fff;border:1px solid var(--line);color:#374151;padding:9px 20px;border-radius:999px;font-size:14.5px;transition:.2s}
.tag-cloud a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}

/* ===== Friend links ===== */
.friend-links{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px}
.friend-links h2{font-size:20px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.friend-links h2::before{content:"";width:26px;height:26px;background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%230ea371"><path d="M3.9 12c0-1.7 1.4-3.1 3.1-3.1h4V7H7C4.2 7 2 9.2 2 12s2.2 5 5 5h4v-1.9H7c-1.7 0-3.1-1.4-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.7 0 3.1 1.4 3.1 3.1s-1.4 3.1-3.1 3.1h-4V17h4c2.8 0 5-2.2 5-5s-2.2-5-5-5z"/></svg>') center/contain no-repeat}
.friend-links ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.friend-links li{margin:0}
.friend-links a{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:14px;color:#374151;transition:.2s}
.friend-links a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.friend-links a::before{content:"";width:14px;height:14px;background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%230ea371"><path d="M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm3.6 6.3c.7 0 1.2.5 1.2 1.2 0 .7-.5 1.2-1.2 1.2s-1.2-.5-1.2-1.2c0-.7.5-1.2 1.2-1.2zm-3.6 9.5c-2.5 0-4.6-1.7-5.3-4h1.7c.6 1.4 2 2.3 3.6 2.3 1.4 0 2.6-.7 3.3-1.8l1.5.9c-1 2-3 3.1-4.8 3.1zm1.2-4.7V11h1.7l1.9 4.7-1.5.9-1.5-3.3h-.6z"/></svg>') center/contain no-repeat;flex-shrink:0}
.friend-links .empty{color:var(--muted);font-size:14px}

/* ===== Archive ===== */
.page-banner{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;padding:58px 0 56px}
.page-banner h1{color:#fff;font-size:34px;margin-bottom:8px}
.page-banner .crumbs{font-size:13.5px;color:rgba(255,255,255,.85)}
.page-banner .crumbs a{color:#fff;text-decoration:underline}
.page-banner .desc{color:rgba(255,255,255,.9);max-width:720px;margin-top:10px;font-size:15px}
.archive-grid{padding:56px 0 72px}

/* ===== Single ===== */
.single-wrap{padding:44px 0 72px}
.single-main{max-width:800px;margin:0 auto}
.entry-head{text-align:center;margin-bottom:30px}
.entry-head .e-cat{display:inline-block;background:var(--primary-soft);color:var(--primary-dark);padding:4px 16px;border-radius:999px;font-size:13px;margin-bottom:16px}
.entry-head h1{font-size:34px;margin-bottom:14px}
.entry-meta{display:flex;justify-content:center;gap:16px;color:var(--muted);font-size:13.5px;flex-wrap:wrap}
.entry-featured{border-radius:var(--radius);overflow:hidden;margin-bottom:34px;box-shadow:var(--shadow-sm)}
.entry-content{font-size:16.5px}
.entry-content h2{font-size:24px;margin:1.6em 0 .7em;padding-left:14px;border-left:4px solid var(--primary)}
.entry-content h3{font-size:20px;margin:1.4em 0 .6em}
.entry-content p{line-height:1.95}
.entry-content img{border-radius:14px;margin:24px auto;box-shadow:var(--shadow-sm)}
.entry-content figure{max-width:100%;margin:28px auto}
.entry-content figcaption{text-align:center;color:var(--muted);font-size:13px;margin-top:8px}
.entry-content ul,.entry-content ol{padding-left:1.4em;margin-bottom:1.2em}
.entry-content li{margin-bottom:.45em}
.entry-content blockquote{border-left:4px solid var(--accent);background:var(--accent-soft);margin:1.6em 0;padding:16px 22px;border-radius:0 12px 12px 0;color:#7c5315}
.entry-content table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.entry-content th{background:var(--primary-soft)}
.entry-tags{display:flex;gap:8px;flex-wrap:wrap;margin:34px 0 10px}
.entry-tags a{background:var(--bg-soft);border:1px solid var(--line);color:#374151;padding:5px 14px;border-radius:999px;font-size:13px}
.entry-tags a:hover{border-color:var(--primary);color:var(--primary)}
.author-box{display:flex;gap:16px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:34px 0}
.author-box img{border-radius:50%;width:56px;height:56px}
.author-box h4{margin:0 0 4px}
.author-box p{margin:0;color:var(--muted);font-size:14px}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);font-size:14.5px}
.post-nav a{max-width:46%;color:#374151}
.post-nav a b{display:block;color:var(--primary);font-size:12.5px;margin-bottom:3px;font-weight:600}
.related{max-width:800px;margin:48px auto 0}
.related h3{font-size:22px;text-align:center;margin-bottom:24px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.2s}
.related-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.related-item .r-thumb{height:110px;background-size:cover;background-position:center}
.related-item h4{font-size:14px;line-height:1.5;margin:0;padding:12px 14px}
.related-item h4 a{color:var(--ink)}

/* ===== Footer ===== */
.site-footer{background:#0b2f24;color:#cfe5dc;padding:60px 0 0}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-cols h3{color:#fff;font-size:16px;margin-bottom:16px}
.site-footer a{color:#9fd6c2}
.site-footer a:hover{color:#fff}
.footer-about p{font-size:14px;margin-bottom:14px;color:#a9c7bb}
.footer-links ul{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:9px;font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:13px;color:#8fb3a5;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ===== Pagination ===== */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:44px}
.pagination .page-numbers{display:inline-flex;min-width:40px;height:40px;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--line);border-radius:10px;color:#374151;font-size:14.5px;background:#fff}
.pagination .page-numbers.current,.pagination .page-numbers:hover{border-color:var(--primary);background:var(--primary);color:#fff}

/* ===== 404 / search ===== */
.not-found{text-align:center;padding:90px 0}
.not-found h1{font-size:80px;color:var(--primary);margin-bottom:10px}
.searchform{display:flex;max-width:520px;margin:24px auto;gap:10px}
.searchform input[type="search"]{flex:1;padding:12px 18px;border:1px solid var(--line);border-radius:999px;font-size:15px;outline:none}
.searchform input[type="search"]:focus{border-color:var(--primary)}
.searchform button{padding:12px 24px;border:0;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;cursor:pointer}

/* ===== Responsive ===== */
@media (max-width:980px){
  .cat-grid,.post-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-cols{grid-template-columns:1fr 1fr}
  .hero h1{font-size:36px}
}
@media (max-width:720px){
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:var(--header-h);left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none;padding:10px 16px 18px;box-shadow:0 18px 30px rgba(0,0,0,.08)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:2px}
  .main-nav a{padding:12px 12px}
  .hero-inner{padding:64px 0 74px}
  .hero h1{font-size:30px}
  .cat-grid,.post-grid,.related-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .section{padding:54px 0}
  .section-head h2{font-size:26px}
  .entry-head h1{font-size:26px}
  .footer-cols{grid-template-columns:1fr}
  .post-nav{flex-direction:column}
  .post-nav a{max-width:100%}
}