/*
Theme Name: JUSUZ CPVC
Theme URI: https://jusuz.com
Author: JUSUZ
Description: 山东祥生（Suneight）CPVC / CPE 材料代理企业主题
Version: 1.0.0
Text Domain: jusuz
*/
:root{--navy:#0f3557;--blue:#1560a8;--blue2:#1d7ad0;--orange:#c8102e;--bg:#f4f7fa;--ink:#1d2733;--muted:#5d6b7a;--line:#e3e9f0;}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#fff;font-size:16px;line-height:1.75}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.topbar{background:var(--navy);color:#cfe0f0;font-size:13px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:12px;flex-wrap:wrap}
.topbar-tag{color:#ffb58a;letter-spacing:.12em;font-weight:600}
.head-in{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:46px;height:46px;background:linear-gradient(135deg,var(--blue),var(--navy));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:18px;letter-spacing:.02em}
.brand-text strong{display:block;font-size:22px;letter-spacing:.14em;color:var(--navy);line-height:1.15}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.06em}
.nav-list{display:flex;gap:6px}
.nav-list a{display:block;padding:10px 18px;font-size:16px;font-weight:600;color:var(--ink);border-radius:8px;transition:.2s}
.nav-list a:hover,.nav-list .current-menu-item>a,.nav-list .current_page_item>a{color:var(--orange);background:#fdedf0}
.nav-toggle{display:none;background:none;border:0;width:40px;height:36px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:var(--navy);margin:7px 0;transition:.25s}
.nav-toggle.active span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{background:linear-gradient(135deg,#0c2b47 0%,#0f3557 55%,#155087 100%);color:#fff;overflow:hidden;position:relative}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(200,16,46,.30),transparent 65%)}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:72px;padding-bottom:72px;position:relative;z-index:1}
.hero-eyebrow{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:5px 14px;border-radius:99px;font-size:13px;letter-spacing:.08em;margin-bottom:20px;color:#ffc2ca}
.hero h1{font-size:40px;line-height:1.3;letter-spacing:.01em;margin-bottom:18px}
.hero h1 b{color:#ff7b8a}
.hero p{color:#c9d8e6;font-size:16px;max-width:560px}
.hero-btns{display:flex;gap:14px;margin:26px 0 34px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 30px;border-radius:8px;font-weight:700;font-size:16px;transition:.2s}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:#9e0c23}
.btn-ghost{border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:#ffe1e6;color:var(--orange)}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hero-stats li strong{display:block;font-size:30px;font-weight:800;color:#fff}
.hero-stats li em{font-style:normal;font-size:13px;color:#9db4c9}
.hero-visual{position:relative;min-height:300px}
.mol{position:absolute;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(29,122,208,.85),rgba(15,53,87,.15));border:1px solid rgba(255,255,255,.25)}
.mol-1{width:150px;height:150px;left:8%;top:6%}
.mol-2{width:90px;height:90px;right:16%;top:38%;background:radial-gradient(circle at 30% 30%,rgba(200,16,46,.85),rgba(90,0,10,.15))}
.mol-3{width:60px;height:60px;left:24%;bottom:12%}
.hero-card{position:absolute;right:0;bottom:10px;background:rgba(255,255,255,.1);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.3);border-radius:14px;padding:22px 28px;color:#fff}
.hero-card-k{display:block;font-size:11px;letter-spacing:.22em;color:#ffb3bd}
.hero-card b{display:block;font-size:30px;font-weight:800;margin:4px 0}
.hero-card i{font-style:normal;color:#c9d8e6;font-size:14px}

/* ===== Sections ===== */
.sec{padding:72px 0}
.sec-head{max-width:640px;margin:0 auto 44px;text-align:center}
.sec-k{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.3em;color:var(--orange);margin-bottom:8px}
.sec-head h2{font-size:32px;color:var(--navy);line-height:1.3}
.sec-head p{color:var(--muted);margin-top:10px;font-size:15px}
.sec-head-light h2{color:#fff}.sec-head-light p{color:#a9bccd}

/* Products */
.sec-products{background:var(--bg)}
.pcard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(15,53,87,.14);border-color:transparent}
.pcard-img{background:#eef3f8;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;overflow:hidden}
.pcard-img img{width:100%;height:100%;object-fit:cover}
.pcard h3{font-size:19px;color:var(--navy);padding:18px 20px 4px}
.pcard p{padding:0 20px;color:var(--muted);font-size:14px;flex:1}
.pcard-more{display:inline-block;padding:12px 20px 18px;color:var(--orange);font-weight:700;font-size:14px}

/* Advantages */
.sec-adv{background:linear-gradient(135deg,#0c2b47,#114368);color:#fff}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.adv{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:30px 24px;transition:.25s}
.adv:hover{background:rgba(200,16,46,.16);border-color:rgba(200,16,46,.55);transform:translateY(-4px)}
.adv i{font-style:normal;font-size:26px;font-weight:800;color:#ff7b8a;letter-spacing:.05em}
.adv h3{font-size:19px;margin:8px 0 6px}
.adv p{font-size:14px;color:#b9cbd9}

/* Applications */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.app{border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:10px;padding:24px 26px;background:#fff;transition:.2s}
.app:hover{box-shadow:0 10px 26px rgba(15,53,87,.1)}
.app b{font-size:18px;color:var(--navy)}
.app p{color:var(--muted);font-size:14px;margin-top:6px}

/* News */
.sec-news{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ncard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;display:flex;flex-direction:column;transition:.25s}
.ncard:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(15,53,87,.12)}
.ncard-date{color:var(--orange);font-weight:800;font-size:22px}
.ncard-date i{font-style:normal;font-size:13px;color:var(--muted);margin-left:4px}
.ncard h3{font-size:18px;color:var(--navy);margin:10px 0 8px;line-height:1.45}
.ncard p{color:var(--muted);font-size:14px;flex:1}
.ncard-more{color:var(--blue);font-weight:700;font-size:14px;margin-top:14px}

/* CTA */
.cta-band{background:linear-gradient(90deg,var(--orange),#9e0c23);color:#fff;padding:46px 0}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-in h2{font-size:26px}
.cta-in p{color:#ffd4da;margin-top:4px}

/* ===== Breadcrumb ===== */
.crumb{background:var(--bg);border-bottom:1px solid var(--line);padding:12px 0;font-size:14px;color:var(--muted)}
.crumb a{color:var(--blue)}

/* ===== Post list ===== */
.post-list{display:flex;flex-direction:column;gap:20px}
.post-row{display:grid;grid-template-columns:220px 1fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;transition:.2s}
.post-row:hover{box-shadow:0 12px 28px rgba(15,53,87,.1)}
.post-thumb img{border-radius:10px;aspect-ratio:4/3;object-fit:cover;width:100%}
.post-row h2 a{font-size:20px;color:var(--navy);line-height:1.4}
.post-row h2 a:hover{color:var(--orange)}
.post-meta{font-size:13px;color:#93a3b3;margin:6px 0 8px}
.post-row p{color:var(--muted);font-size:14px}
.readmore{display:inline-block;margin-top:10px;color:var(--orange);font-weight:700;font-size:14px}

/* ===== Single ===== */
.single-wrap{max-width:860px}
.single-art{background:#fff;border:1px solid var(--line);border-radius:14px;padding:36px 40px}
.single-title{font-size:28px;color:var(--navy);line-height:1.4}
.single-art .post-meta{margin:12px 0 20px;padding-bottom:16px;border-bottom:1px dashed var(--line)}
.single-content{font-size:16px;color:#33414f;overflow-wrap:break-word}
.single-content h2,.single-content h3{color:var(--navy);margin:26px 0 10px}
.single-content p{margin:12px 0}
.single-content ul{list-style:disc;padding-left:24px;margin:12px 0}
.single-content table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.single-content th,.single-content td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.single-content th{background:var(--bg);color:var(--navy)}
.single-content img{border-radius:8px;margin:14px auto}
.single-nav{display:flex;justify-content:space-between;gap:16px;margin-top:30px;padding-top:20px;border-top:1px dashed var(--line);font-size:14px;flex-wrap:wrap}
.single-nav a{color:var(--blue)}

/* ===== Pager / empty ===== */
.pager{margin-top:34px;text-align:center}
.pager .page-numbers{display:inline-block;min-width:40px;padding:8px 14px;margin:0 4px;border:1px solid var(--line);border-radius:8px;color:var(--navy);font-weight:600}
.pager .page-numbers.current{background:var(--orange);border-color:var(--orange);color:#fff}
.empty-box{text-align:center;padding:70px 20px;background:#fff;border:1px dashed var(--line);border-radius:14px}
.empty-box h3{color:var(--navy);font-size:22px}
.empty-box p{color:var(--muted);margin:10px 0 22px}

/* ===== Footer ===== */
.site-foot{background:var(--navy);color:#b9cbd9;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding:54px 20px 40px}
.foot-brand strong{color:#fff;font-size:24px;letter-spacing:.14em}
.foot-brand p{margin-top:12px;line-height:1.9}
.foot-col h4{color:#fff;font-size:16px;margin-bottom:14px;position:relative;padding-left:12px}
.foot-col h4::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--orange);border-radius:2px}
.foot-col a,.foot-col p{display:block;margin-bottom:9px;color:#b9cbd9}
.foot-col a:hover{color:#ff7b8a}
.foot-btn{display:inline-block;margin-top:6px;border:1px solid var(--orange);color:#ff7b8a;padding:8px 18px;border-radius:8px;font-weight:700}
.foot-bar{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:13px;color:#7e94a9}

/* ===== Responsive ===== */
@media (max-width:960px){
  .hero-in{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px}
  .hero-visual{display:none}
  .hero h1{font-size:30px}
  .pcard-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:112px;left:0;right:0;background:#fff;box-shadow:0 14px 30px rgba(15,53,87,.16);display:none;border-top:1px solid var(--line)}
  .main-nav.open{display:block}
  .nav-list{flex-direction:column;padding:10px 16px;gap:2px}
  .nav-list a{padding:12px 14px}
  .head-in{position:relative}
  .pcard-grid,.adv-grid,.app-grid,.foot-grid{grid-template-columns:1fr}
  .post-row{grid-template-columns:1fr}
  .single-art{padding:24px 20px}
  .sec{padding:52px 0}
  .hero h1{font-size:26px}
  .hero-stats{gap:22px}
}

/* CTA card (4th product card) */
.pcard-cta{background:linear-gradient(145deg,#0c2b47,#155087);border-color:transparent;color:#fff}
.pcard-cta h3{color:#fff}
.pcard-cta p{color:#b9cbd9}
.pcard-cta .pcard-more{color:#ff7b8a}
.pcard-cta:hover{box-shadow:0 16px 34px rgba(15,53,87,.3)}
.pcard-cta-k{display:block;padding:18px 20px 0;font-size:11px;letter-spacing:.24em;color:#ffb3bd;font-weight:800}

/* ================= HEADER V2 ================= */
.site-head{position:sticky;top:0;z-index:100;background:#fff;transition:box-shadow .25s}
.site-head.scrolled{box-shadow:0 8px 28px rgba(15,53,87,.14)}
.head-in{min-height:80px;transition:min-height .25s}
.site-head.scrolled .head-in{min-height:66px}
.brand-mark{background:linear-gradient(135deg,#c8102e,#8e0a20);border-radius:12px;box-shadow:0 4px 12px rgba(200,16,46,.28);transition:transform .25s}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.05)}
.brand-text strong{letter-spacing:.18em;background:linear-gradient(90deg,#0f3557,#1560a8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

.nav-list{display:flex;gap:2px}
.nav-list>.menu-item{position:relative}
.nav-list>.menu-item>a{position:relative;display:flex;flex-direction:column;justify-content:center;padding:12px 20px;font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.04em}
.nav-list>.menu-item>a .mi-t{position:relative}
.nav-list>.menu-item>a .mi-t::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;border-radius:2px;background:linear-gradient(90deg,#c8102e,#ff4d64);transform:scaleX(0);transform-origin:center;transition:transform .28s}
.nav-list>.menu-item>a:hover .mi-t::after,.nav-list>.menu-item.current>a .mi-t::after{transform:scaleX(1)}
.nav-list>.menu-item.current>a{color:#c8102e}
.nav-list>.menu-item.has-sub>a::before{content:"";display:none}
.nav-list>.menu-item.has-sub>.mi-t::after,.nav-list>.menu-item.has-sub>a .mi-t::after{background:linear-gradient(90deg,#c8102e,#ff4d64)}

/* 下拉卡片 */
.sub-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,14px);min-width:320px;background:#fff;border-radius:14px;box-shadow:0 22px 48px rgba(15,53,87,.18);border:1px solid var(--line);padding:10px;opacity:0;visibility:hidden;transition:.28s;z-index:99}
.nav-list>.menu-item:hover .sub-menu,.nav-list>.menu-item.current-menu-parent .sub-menu{opacity:1;visibility:visible;transform:translate(-50%,6px)}
.sub-menu::before{content:"";position:absolute;top:-7px;left:50%;transform:translateX(-50%) rotate(45deg);width:14px;height:14px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.sub-menu .menu-item>a{display:block;padding:13px 16px;border-radius:10px;transition:.2s}
.sub-menu .menu-item>a:hover{background:#fdedf0}
.sub-menu .mi-t{display:block;font-weight:700;color:var(--navy);font-size:15px}
.sub-menu .mi-d{display:block;font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 右侧 CTA */
.head-right{display:flex;align-items:center;gap:14px}
.head-cta{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#c8102e,#a30d24);color:#fff;font-weight:700;font-size:15px;padding:11px 24px;border-radius:99px;box-shadow:0 6px 16px rgba(200,16,46,.3);transition:.22s;white-space:nowrap}
.head-cta::after{content:"→";transition:transform .22s}
.head-cta:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(200,16,46,.4);color:#fff}
.head-cta:hover::after{transform:translateX(4px)}

/* 顶条 */
.topbar{background:linear-gradient(90deg,#0c2b47,#155087)}

/* 遮罩 */
.nav-mask{position:fixed;inset:0;background:rgba(12,30,50,.5);opacity:0;visibility:hidden;transition:.3s;z-index:98}
body.nav-open .nav-mask{opacity:1;visibility:visible}

/* 抽屉（移动端） */
.drawer-head,.drawer-cta{display:none}

@media (max-width:1024px){
  .nav-list>.menu-item>a{padding:12px 14px}
}
@media (max-width:960px){
  .head-cta{display:none}
  .main-nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);background:#fff;box-shadow:-20px 0 50px rgba(12,30,50,.2);transform:translateX(105%);transition:transform .32s cubic-bezier(.4,0,.2,1);overflow-y:auto;z-index:99;display:block}
  body.nav-open .main-nav{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);font-weight:700;color:var(--navy)}
  .drawer-close{background:none;border:0;font-size:26px;line-height:1;color:var(--muted);cursor:pointer}
  .nav-list{flex-direction:column;gap:0;padding:12px 14px}
  .nav-list>.menu-item>a{padding:14px 12px;flex-direction:column;align-items:flex-start;border-radius:10px}
  .nav-list>.menu-item>a .mi-t::after{display:none}
  .nav-list>.menu-item.current>a{background:#fdedf0;border-radius:10px}
  .sub-menu{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;background:var(--bg);border-radius:10px;min-width:0;margin:4px 0 8px;padding:6px}
  .sub-menu::before{display:none}
  .sub-menu .menu-item>a{padding:10px 12px}
  .drawer-cta{display:block;margin:8px 18px 24px;text-align:center;background:linear-gradient(135deg,#c8102e,#a30d24);color:#fff;font-weight:700;padding:13px;border-radius:10px}
}