/*
Theme Name: PenLin Tower
Theme URI: https://example.com
Author: PenLin
Description: 喷淋塔/废气处理设备生产厂家企业官网主题。工程图纸视觉体系：动态喷淋塔工艺剖面图、等宽参数排版、深墨青×安全橙配色。内置产品中心、工程案例、新闻资讯、在线询盘、企业信息设置，响应式设计，国内访问优化（零外部资源）。
Version: 2.0.1
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: penlin-tower
*/

/* ============================================================
   01 / 设计令牌 —— Engineering Document System
   ============================================================ */
:root{
  /* 墨色：图纸深底 */
  --ink:#0D1B22;
  --ink-2:#13242D;
  --ink-3:#1B313C;
  /* 纸色：图纸浅底 */
  --paper:#F2F5F6;
  --bg:#FFFFFF;
  /* 文本 */
  --text:#1D2B33;
  --mute:#5B6E78;
  --on-ink:#E9F1F4;
  --on-ink-mute:#9DB6C0;
  /* 线 */
  --line:#DDE5E9;
  --line-2:#C8D4DA;
  --line-ink:rgba(190,216,226,.18);
  /* 品牌青：水处理 */
  --brand:#0E5F6B;
  --brand-deep:#0A4854;
  --brand-soft:#E2EDEF;
  /* 安全橙：仅用于转化与标注 */
  --accent:#D14F12;
  --accent-deep:#A93E0A;
  --accent-bright:#F0731F;
  /* 制图线色 */
  --draw:#9FBCC9;
  /* 字体 */
  --sans:-apple-system,BlinkMacSystemFont,"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono","JetBrains Mono","Roboto Mono",Consolas,"Liberation Mono",Menlo,monospace;
}

/* ============================================================
   02 / 基础
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{font:16px/1.8 var(--sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s,background-color .18s,border-color .18s}
ul,ol{list-style:none}
button{font-family:inherit}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.pl-header a:focus-visible,.pl-footer a:focus-visible,.pl-hero a:focus-visible{outline-color:var(--accent-bright)}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
.screen-reader-text{position:absolute;clip:rect(1px,1px,1px,1px);width:1px;height:1px;overflow:hidden}
body.admin-bar .pl-header{top:32px}
@media(max-width:782px){body.admin-bar .pl-header{top:46px}}

/* 图纸网格底纹（深底用） */
.pl-grid-bg{background-image:linear-gradient(var(--line-ink) 1px,transparent 1px),linear-gradient(90deg,var(--line-ink) 1px,transparent 1px);background-size:34px 34px}

/* 等宽工具类 */
.pl-mono{font-family:var(--mono)}

/* ============================================================
   03 / 按钮 —— 直角，橙=转化，青=结构
   ============================================================ */
.pl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;padding:13px 28px;border:1px solid var(--accent);font-size:15px;font-weight:600;letter-spacing:.04em;cursor:pointer;transition:background-color .18s,border-color .18s,color .18s,transform .18s}
.pl-btn:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff}
.pl-btn:active{transform:translateY(1px)}
.pl-btn svg{width:17px;height:17px}
.pl-btn-ghost{background:transparent;color:var(--on-ink);border-color:rgba(233,241,244,.45)}
.pl-btn-ghost:hover{background:rgba(233,241,244,.1);border-color:var(--on-ink);color:#fff}
.pl-btn-line{background:transparent;color:var(--brand);border-color:var(--brand)}
.pl-btn-line:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.pl-btn-sm{padding:9px 18px;font-size:13.5px}

/* 文本箭头链接 */
.pl-link-more{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13.5px;letter-spacing:.06em;color:var(--brand);border-bottom:1px solid transparent;padding-bottom:2px}
.pl-link-more::after{content:"→";transition:transform .18s}
.pl-link-more:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep)}
.pl-link-more:hover::after{transform:translateX(4px)}

/* ============================================================
   04 / 顶栏 + 页头（深墨）
   ============================================================ */
.pl-topbar{background:#0A151B;color:var(--on-ink-mute);font-family:var(--mono);font-size:12px;letter-spacing:.05em;border-bottom:1px solid rgba(190,216,226,.08)}
.pl-topbar-in{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px}
.pl-topbar strong{color:#fff;font-weight:600;font-size:13px}

.pl-header{position:sticky;top:0;z-index:100;background:var(--ink);border-bottom:1px solid var(--line-ink)}
.pl-header.scrolled{box-shadow:0 6px 24px rgba(4,14,20,.45)}
.pl-header-in{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.pl-logo{display:flex;align-items:center;min-width:0}
.pl-logo img{max-height:44px;width:auto}
.pl-logo-text{display:inline-flex;align-items:center;gap:11px;font-size:21px;font-weight:800;letter-spacing:.02em;color:#fff;white-space:nowrap}
.pl-logo-text::before{content:"";width:11px;height:11px;background:var(--accent-bright);flex:0 0 auto}
.pl-logo-text:hover{color:#fff}

.pl-nav{display:flex;align-items:center}
.pl-menu{display:flex;gap:2px}
.pl-menu>li{position:relative}
.pl-menu>li>a{display:block;padding:25px 16px;font-size:15px;font-weight:500;color:var(--on-ink-mute);position:relative}
.pl-menu>li>a::after{content:"";position:absolute;left:16px;right:16px;bottom:17px;height:2px;background:var(--accent-bright);transform:scaleX(0);transform-origin:left;transition:transform .22s}
.pl-menu>li>a:hover{color:#fff}
.pl-menu>li>a:hover::after,.pl-menu>li.current-menu-item>a::after,.pl-menu>li.current_page_item>a::after,.pl-menu>li.current-menu-ancestor>a::after{transform:scaleX(1)}
.pl-menu>li.current-menu-item>a,.pl-menu>li.current_page_item>a,.pl-menu>li.current-menu-ancestor>a{color:#fff}
.pl-menu .sub-menu{position:absolute;left:8px;top:100%;min-width:188px;background:var(--ink-2);border:1px solid var(--line-ink);box-shadow:0 14px 36px rgba(4,14,20,.5);padding:6px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;z-index:50}
.pl-menu li:hover>.sub-menu,.pl-menu li:focus-within>.sub-menu{opacity:1;visibility:visible;transform:none}
.pl-menu .sub-menu a{display:block;padding:9px 18px;font-size:14px;color:var(--on-ink-mute)}
.pl-menu .sub-menu a:hover{background:var(--ink-3);color:#fff}
.pl-menu .sub-menu .sub-menu{left:100%;top:-7px}

.pl-header-cta{flex:0 0 auto}

.pl-nav-toggle{display:none;width:44px;height:44px;border:1px solid rgba(190,216,226,.35);background:transparent;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;z-index:300}
.pl-nav-toggle span{display:block;width:20px;height:2px;background:var(--on-ink);transition:.22s}
.pl-nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.pl-nav-toggle.open span:nth-child(2){opacity:0}
.pl-nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   05 / 首屏 —— 文案 × 工艺剖面图
   ============================================================ */
.pl-hero{position:relative;background:var(--ink);color:var(--on-ink);overflow:hidden;isolation:isolate}
.pl-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-ink) 1px,transparent 1px),linear-gradient(90deg,var(--line-ink) 1px,transparent 1px);background-size:34px 34px;z-index:-2}
.pl-hero.has-img::after{content:"";position:absolute;inset:0;background-image:var(--hero-img);background-size:cover;background-position:center;opacity:.14;filter:grayscale(45%);z-index:-1}
.pl-hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:48px;align-items:center;padding:64px 20px 56px}
.pl-hero-kicker{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12.5px;letter-spacing:.22em;color:var(--accent-bright);margin-bottom:22px}
.pl-hero-kicker::before{content:"";width:26px;height:1px;background:var(--accent-bright)}
.pl-hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;font-weight:800;letter-spacing:.01em;color:#fff}
.pl-hero-sub{font-size:clamp(15px,1.4vw,17.5px);color:var(--on-ink-mute);margin-top:18px;max-width:34em}
.pl-hero-btns{margin-top:32px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.pl-hero-tel{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:17px;font-weight:600;letter-spacing:.04em;color:#fff;padding:12px 4px}
.pl-hero-tel svg{width:17px;height:17px;color:var(--accent-bright)}
.pl-hero-tel:hover{color:var(--accent-bright)}
.pl-hero-specs{margin-top:34px;padding-top:22px;border-top:1px solid var(--line-ink);display:flex;flex-wrap:wrap;gap:10px 38px}
.pl-hero-specs div{min-width:0}
.pl-hero-specs dt{font-size:12px;color:var(--on-ink-mute);letter-spacing:.1em;margin-bottom:3px}
.pl-hero-specs dd{font-family:var(--mono);font-size:15.5px;font-weight:600;color:#fff;letter-spacing:.02em}
.pl-hero-figure{min-width:0;display:flex;justify-content:center}
.pl-hero-figure svg{width:100%;max-width:480px;height:auto;display:block}

/* 行业适用条 */
.pl-hero-strip{border-top:1px solid var(--line-ink);background:rgba(10,21,27,.55)}
.pl-hero-strip .container{display:flex;align-items:center;flex-wrap:wrap;gap:6px 0;padding-top:13px;padding-bottom:13px}
.pl-hero-strip .label{font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:var(--accent-bright);margin-right:22px;white-space:nowrap}
.pl-hero-strip ul{display:flex;flex-wrap:wrap;gap:6px 0}
.pl-hero-strip li{font-size:13px;color:var(--on-ink-mute);white-space:nowrap}
.pl-hero-strip li+li::before{content:"·";margin:0 13px;color:rgba(157,182,192,.5)}

/* ============================================================
   06 / 工艺剖面图（SVG 制图样式 + 动效）
   ============================================================ */
.pl-tower .ln{stroke:var(--draw);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.pl-tower .ln-thin{stroke:var(--draw);stroke-width:1;fill:none;opacity:.8;stroke-linecap:round}
.pl-tower .pipe{stroke:var(--draw);stroke-width:3;fill:none;opacity:.95;stroke-linecap:square}
.pl-tower .frame{stroke:rgba(190,216,226,.42);stroke-width:1;fill:none}
.pl-tower .tick{stroke:var(--accent-bright);stroke-width:2;fill:none}
.pl-tower .dim{stroke:var(--draw);stroke-width:1;fill:none;opacity:.7}
.pl-tower .dash{stroke-dasharray:4 5}
.pl-tower .dot{fill:var(--draw)}
.pl-tower .pack-zone{stroke:var(--draw);stroke-width:1;opacity:.8}
.pl-tower .pack{stroke:var(--draw);stroke-width:1;fill:none;opacity:.55}
.pl-tower .water-fill{fill:rgba(79,195,184,.13)}
.pl-tower .gas{stroke:#8CC9DE;stroke-width:2.4;fill:none;stroke-linecap:round;stroke-dasharray:7 8}
.pl-tower .clean{stroke:var(--accent-bright);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-dasharray:6 7}
.pl-tower .clean-head{fill:var(--accent-bright)}
.pl-tower .gas-head{fill:#8CC9DE}
.pl-tower .water{stroke:#4FC3B8;stroke-width:2;fill:none;stroke-linecap:round;stroke-dasharray:4 9}
.pl-tower .drop{stroke:#7FD2E0;stroke-width:2;stroke-linecap:round;opacity:0}
.pl-tower .txt{font-family:var(--mono);font-size:10.5px;fill:#A9C5D1;letter-spacing:.08em}
.pl-tower .txt-cn{font-family:var(--sans);font-size:11.5px;fill:#D9E8EE;letter-spacing:.06em}
.pl-tower .txt-tb{font-family:var(--sans);font-size:11.5px;fill:#C3D8E0;letter-spacing:.12em}
.pl-tower .pump-halo{fill:none;stroke:#4FC3B8;stroke-width:1.5;opacity:0}

@media(prefers-reduced-motion:no-preference){
  .pl-tower .gas{animation:pl-dash-up 1.7s linear infinite}
  .pl-tower .clean{animation:pl-dash-up 1.3s linear infinite}
  .pl-tower .water{animation:pl-dash-flow 2.1s linear infinite}
  .pl-tower .drop{animation:pl-drop 2.3s linear infinite}
  .pl-tower .drop:nth-of-type(3n+1){animation-delay:.0s}
  .pl-tower .drop:nth-of-type(3n+2){animation-delay:.75s}
  .pl-tower .drop:nth-of-type(3n){animation-delay:1.5s}
  .pl-tower .drop:nth-of-type(4n){animation-duration:2.6s}
  .pl-tower .drop:nth-of-type(5n){animation-duration:2s}
  .pl-tower .pump-halo{animation:pl-pulse 2.4s ease-out infinite;transform-box:fill-box;transform-origin:center}
  .pl-hero-copy>*{animation:pl-rise .7s cubic-bezier(.2,.7,.2,1) both}
  .pl-hero-copy>*:nth-child(2){animation-delay:.08s}
  .pl-hero-copy>*:nth-child(3){animation-delay:.16s}
  .pl-hero-copy>*:nth-child(4){animation-delay:.24s}
  .pl-hero-copy>*:nth-child(5){animation-delay:.32s}
  .pl-hero-figure{animation:pl-rise .9s .15s cubic-bezier(.2,.7,.2,1) both}
}
@keyframes pl-dash-up{to{stroke-dashoffset:-60}}
@keyframes pl-dash-flow{to{stroke-dashoffset:-52}}
@keyframes pl-drop{0%{transform:translateY(0);opacity:0}10%{opacity:.75}80%{opacity:.55}100%{transform:translateY(262px);opacity:0}}
@keyframes pl-pulse{0%{opacity:.7;transform:scale(.6)}100%{opacity:0;transform:scale(1.9)}}
@keyframes pl-rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* ============================================================
   07 / 区块与节标题
   ============================================================ */
.pl-section{padding:92px 0}
.pl-section-gray{background:var(--paper)}
.pl-sec-head{margin-bottom:48px;max-width:720px}
.pl-eyebrow{display:flex;align-items:center;gap:16px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.24em;color:var(--brand);margin-bottom:14px}
.pl-eyebrow::before{content:"";width:9px;height:9px;background:var(--accent);flex:0 0 auto}
.pl-eyebrow::after{content:"";height:1px;background:var(--line-2);flex:0 1 180px}
.pl-sec-head h2{font-size:clamp(25px,3vw,34px);font-weight:800;letter-spacing:.01em;line-height:1.3}
.pl-sec-sub{color:var(--mute);margin-top:12px;font-size:15.5px}
.pl-sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px}
.pl-sec-head-row .pl-sec-head{margin-bottom:0}
.pl-sec-more{text-align:center;margin-top:44px}
.pl-empty{grid-column:1/-1;color:var(--mute);padding:30px 0;font-size:15px}

/* ============================================================
   08 / 卡片与网格
   ============================================================ */
.pl-grid{display:grid;gap:22px}
.pl-grid-4{grid-template-columns:repeat(4,1fr)}
.pl-grid-3{grid-template-columns:repeat(3,1fr)}

.pl-card{position:relative;background:var(--bg);border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s,border-color .22s}
.pl-card::after{content:"";position:absolute;top:-1px;right:-1px;width:13px;height:13px;border-top:2px solid var(--accent);border-right:2px solid var(--accent);opacity:0;transition:opacity .22s}
.pl-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 16px 38px rgba(13,27,34,.12)}
.pl-card:hover::after{opacity:1}
.pl-card-img{aspect-ratio:4/3;background:var(--paper);overflow:hidden;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}
.pl-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.pl-card:hover .pl-card-img img{transform:scale(1.045)}
.pl-card h3{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15.5px;font-weight:600;padding:15px 17px;line-height:1.45}
.pl-card h3::after{content:"→";font-family:var(--mono);font-size:14px;color:var(--line-2);transition:color .2s,transform .2s;flex:0 0 auto}
.pl-card:hover h3{color:var(--brand-deep)}
.pl-card:hover h3::after{color:var(--accent);transform:translateX(3px)}
.pl-card-desc{padding:0 17px 16px;font-size:13.5px;color:var(--mute);line-height:1.7;margin-top:-6px}
.pl-noimg{font-family:var(--mono);color:#9FB2BC;font-size:12px;letter-spacing:.14em;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:repeating-linear-gradient(45deg,transparent 0 9px,rgba(14,95,107,.045) 9px 10px)}

.pl-card-news-body{padding:16px 17px 17px;display:flex;flex-direction:column;flex:1}
.pl-card-news-body h3{padding:0;margin-bottom:8px;font-size:16px}
.pl-card-news-body h3::after{display:none}
.pl-card-news-body p{font-size:13.5px;color:var(--mute);margin-bottom:12px;line-height:1.7}
.pl-news-meta{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:#8CA0AB;margin-top:auto}

/* ============================================================
   09 / 能力面板（图标）
   ============================================================ */
.pl-adv-item{background:var(--bg);border:1px solid var(--line);padding:30px 26px;position:relative;transition:border-color .22s,box-shadow .22s}
.pl-adv-item::before{content:"";position:absolute;left:-1px;top:24px;bottom:24px;width:2px;background:var(--brand);transform:scaleY(0);transition:transform .25s}
.pl-adv-item:hover{border-color:var(--line-2);box-shadow:0 12px 30px rgba(13,27,34,.08)}
.pl-adv-item:hover::before{transform:scaleY(1)}
.pl-adv-ico{display:inline-flex;color:var(--brand);margin-bottom:18px}
.pl-adv-ico svg{width:30px;height:30px}
.pl-adv-item h3{margin:0 0 10px;font-size:17.5px;font-weight:700}
.pl-adv-item p{color:var(--mute);font-size:14px;line-height:1.75}
.pl-adv-num{display:none}

/* ============================================================
   10 / 服务流程（真实顺序 → 才用编号）
   ============================================================ */
.pl-flow{display:flex;gap:26px;counter-reset:flow}
.pl-flow li{flex:1;position:relative;padding-top:30px;min-width:0}
.pl-flow li::before{content:"";position:absolute;top:9px;left:22px;right:-26px;height:1px;background:var(--line-2)}
.pl-flow li:last-child::before{right:0}
.pl-flow li::after{content:"";position:absolute;top:5px;left:0;width:9px;height:9px;background:var(--brand);outline:4px solid var(--paper)}
.pl-flow-num{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.2em;color:var(--accent)}
.pl-flow h3{font-size:16.5px;font-weight:700;margin:7px 0 8px}
.pl-flow p{font-size:13.5px;color:var(--mute);line-height:1.75}

/* ============================================================
   11 / 关于 + 数据
   ============================================================ */
.pl-about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:start}
.pl-about-desc{color:var(--mute);font-size:15.5px;line-height:2}
.pl-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.pl-stat{background:var(--bg);padding:26px 26px 22px}
.pl-stat strong{display:block;font-family:var(--mono);font-size:clamp(30px,3vw,40px);font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.1}
.pl-stat strong em{font-style:normal;font-size:.6em;color:var(--accent);margin-left:2px}
.pl-stat>span{display:block;color:var(--mute);font-size:13px;margin-top:8px;letter-spacing:.04em}

/* ============================================================
   12 / 转化条
   ============================================================ */
.pl-cta{background:var(--ink);color:var(--on-ink);padding:84px 0;position:relative;overflow:hidden}
.pl-cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-ink) 1px,transparent 1px),linear-gradient(90deg,var(--line-ink) 1px,transparent 1px);background-size:34px 34px}
.pl-cta .container{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px 56px;align-items:center}
.pl-cta-title{font-size:clamp(24px,3vw,33px);font-weight:800;color:#fff;line-height:1.3}
.pl-cta p{color:var(--on-ink-mute);margin-top:12px;font-size:15px}
.pl-cta-actions{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.pl-cta-actions .pl-hero-tel{padding:0}

/* ============================================================
   13 / 面包屑、页标题、布局
   ============================================================ */
.pl-crumb{background:var(--bg);border-bottom:1px solid var(--line);font-family:var(--mono);font-size:12.5px;letter-spacing:.05em;color:var(--mute);padding:12px 0}
.pl-crumb a:hover{color:var(--brand)}
.pl-crumb span{color:var(--text)}

.pl-page-title{font-size:clamp(23px,2.6vw,29px);font-weight:800;letter-spacing:.01em;margin-bottom:26px}
.pl-page-title::after{content:"";display:block;margin-top:14px;width:74px;height:9px;background-image:linear-gradient(var(--accent),var(--accent)),linear-gradient(var(--accent),var(--accent)),linear-gradient(var(--accent),var(--accent));background-size:2px 9px,2px 9px,100% 1.5px;background-position:left center,right center,center center;background-repeat:no-repeat}
.pl-article-meta{font-family:var(--mono);color:var(--mute);font-size:13px;letter-spacing:.06em;margin:-12px 0 22px}

.pl-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px;padding:44px 0 84px;align-items:start}
.pl-layout-rev{grid-template-columns:256px minmax(0,1fr)}
.pl-archive-wrap{padding:44px 0 84px}
.pl-narrow{max-width:940px;padding:44px 16px 84px}
.pl-page-head{margin-top:44px}

/* ============================================================
   14 / 侧栏
   ============================================================ */
.pl-side-box{background:var(--bg);border:1px solid var(--line);margin-bottom:22px;overflow:hidden}
.pl-side-box h3{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:700;letter-spacing:.18em;color:var(--ink);padding:14px 17px;border-bottom:1px solid var(--line);background:var(--paper)}
.pl-side-box h3::before{content:"";width:8px;height:8px;background:var(--accent);flex:0 0 auto}
.pl-side-cats li a{display:block;padding:11px 17px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text)}
.pl-side-cats li:last-child>a{border-bottom:0}
.pl-side-cats li a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.pl-side-cats li.cur>a{background:var(--brand-soft);color:var(--brand-deep);box-shadow:inset 2px 0 0 var(--accent)}
.pl-side-list li a{display:block;padding:10px 17px;border-bottom:1px dashed var(--line);font-size:14px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl-side-list li:last-child a{border-bottom:0}
.pl-side-list li a:hover{color:var(--brand)}
.pl-side-phone{font-family:var(--mono);font-size:21px;font-weight:700;letter-spacing:.02em;color:var(--ink)!important;padding:14px 17px 4px!important;display:block}
.pl-side-phone:hover{color:var(--brand)!important}
.pl-side-search{padding:14px 16px}

/* ============================================================
   15 / 新闻列表、正文、翻页
   ============================================================ */
.pl-news-item{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}
.pl-news-item:first-of-type{padding-top:0}
.pl-news-thumb{flex:0 0 216px;height:148px;overflow:hidden;background:var(--paper);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.pl-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.pl-news-item:hover .pl-news-thumb img{transform:scale(1.04)}
.pl-news-body{min-width:0}
.pl-news-body h2{font-size:17.5px;margin-bottom:8px;font-weight:700;line-height:1.5}
.pl-news-body h2 a:hover{color:var(--brand)}
.pl-news-body p{font-size:14px;color:var(--mute);margin-bottom:10px;line-height:1.75}

.pl-entry{line-height:2;color:#30414B;font-size:15.5px}
.pl-entry p{margin:0 0 1.1em}
.pl-entry h2,.pl-entry h3,.pl-entry h4{margin:1.6em 0 .7em;color:var(--text);line-height:1.4;font-weight:700}
.pl-entry h2{font-size:21px;padding-left:13px;border-left:3px solid var(--accent)}
.pl-entry h3{font-size:18px}
.pl-entry img{margin:18px auto;border:1px solid var(--line)}
.pl-entry ul,.pl-entry ol{padding-left:1.5em;margin:0 0 1.1em}
.pl-entry ul{list-style:square}
.pl-entry ol{list-style:decimal}
.pl-entry a{color:var(--brand);border-bottom:1px solid rgba(14,95,107,.35)}
.pl-entry a:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep)}
.pl-entry table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.pl-entry table th,.pl-entry table td{border:1px solid var(--line);padding:10px 13px;text-align:left}
.pl-entry table th{background:var(--paper);font-weight:600;font-family:var(--mono);font-size:13px;letter-spacing:.04em}
.pl-entry blockquote{border-left:3px solid var(--brand);background:var(--paper);padding:14px 18px;margin:0 0 1.1em;color:var(--mute)}
.pl-entry .alignleft{float:left;margin:6px 22px 14px 0}
.pl-entry .alignright{float:right;margin:6px 0 14px 22px}
.pl-entry .aligncenter{margin-left:auto;margin-right:auto}
.pl-entry .wp-caption{max-width:100%}
.pl-entry .wp-caption-text{font-size:12.5px;color:var(--mute);text-align:center;margin-top:6px}

.pagination{margin:40px 0 6px}
.pagination .nav-links,.nav-links{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.page-numbers{display:inline-flex;min-width:38px;height:38px;align-items:center;justify-content:center;padding:0 10px;border:1px solid var(--line);font-family:var(--mono);font-size:13.5px;color:var(--mute);background:var(--bg);transition:.18s}
.page-numbers.current{background:var(--ink);color:#fff;border-color:var(--ink)}
a.page-numbers:hover{border-color:var(--brand);color:var(--brand)}

.pl-postnav{display:flex;justify-content:space-between;gap:18px;margin:36px 0;font-size:14px;color:var(--mute)}
.pl-postnav a:hover{color:var(--brand)}

/* ============================================================
   16 / 产品详情
   ============================================================ */
.pl-product-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;margin:44px 0 18px}
.pl-product-img{position:relative;border:1px solid var(--line);overflow:hidden;background:var(--paper);display:flex;align-items:center;justify-content:center;min-height:320px}
.pl-product-img::before,.pl-product-img::after{content:"";position:absolute;width:15px;height:15px;pointer-events:none}
.pl-product-img::before{top:9px;left:9px;border-top:2px solid var(--accent);border-left:2px solid var(--accent)}
.pl-product-img::after{bottom:9px;right:9px;border-bottom:2px solid var(--accent);border-right:2px solid var(--accent)}
.pl-product-info h1{font-size:clamp(23px,2.4vw,28px);font-weight:800;margin-bottom:12px}
.pl-product-cat{font-family:var(--mono);color:var(--mute);font-size:12.5px;letter-spacing:.06em;margin-bottom:16px}
.pl-product-cat a:hover{color:var(--brand)}
.pl-product-excerpt{color:var(--mute);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0;margin-bottom:16px;font-size:14.5px;line-height:1.8}
.pl-product-promise li{position:relative;padding-left:25px;font-size:14px;color:#30414B;margin:8px 0}
.pl-product-promise li::before{content:"✓";position:absolute;left:0;top:1px;width:16px;height:16px;border:1px solid var(--brand);color:var(--brand);font-size:11px;line-height:15px;text-align:center;font-weight:700}
.pl-product-actions{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.pl-block-title{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800;margin:46px 0 18px}
.pl-block-title::before{content:"";width:9px;height:9px;background:var(--accent)}
.pl-related{margin:26px 0 84px}
.pl-case-cover{margin:0 0 26px;border:1px solid var(--line);overflow:hidden}

/* ============================================================
   17 / 询盘表单（工单样式）
   ============================================================ */
.pl-inquiry{position:relative;background:var(--bg);border:1px solid var(--line-2);padding:34px;margin:52px 0}
.pl-inquiry::before{content:"";position:absolute;top:-1px;left:-1px;right:-1px;height:3px;background:linear-gradient(90deg,var(--accent) 0 74px,var(--brand) 74px)}
.pl-inquiry h3{font-size:19px;font-weight:800;margin-bottom:6px}
.pl-inquiry-note{font-family:var(--mono);font-size:12px;color:var(--mute);letter-spacing:.06em;margin-bottom:20px}
.pl-inquiry input,.pl-inquiry textarea{width:100%;border:1px solid var(--line-2);padding:11px 14px;font-size:14.5px;font-family:inherit;background:var(--bg);margin-bottom:14px;color:var(--text);transition:border-color .18s,box-shadow .18s}
.pl-inquiry input::placeholder,.pl-inquiry textarea::placeholder{color:#93A6B0}
.pl-inquiry input:focus,.pl-inquiry textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,95,107,.13)}
.pl-form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pl-hp{display:none!important}
.pl-form-msg{padding:11px 14px;margin-bottom:14px;font-size:14px;border:1px solid}
.pl-form-msg.success{background:var(--brand-soft);color:var(--brand-deep);border-color:#BBD6DA}
.pl-form-msg.error{background:#FBEAE1;color:var(--accent-deep);border-color:#F0C6B2}

.pl-contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;margin:30px 0}
.pl-contact-grid .pl-inquiry{margin:0}
.pl-contact-title{font-size:19px;font-weight:800;margin-bottom:20px}
.pl-contact-list li{display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.pl-contact-list svg{width:18px;height:18px;color:var(--brand);flex:0 0 auto;margin-top:4px}
.pl-contact-list strong{font-family:var(--mono);letter-spacing:.02em}
.pl-map{margin:26px 0 70px;border:1px solid var(--line);overflow:hidden}
.pl-map iframe{width:100%;height:400px;display:block;border:0}

/* ============================================================
   18 / 搜索表单、404
   ============================================================ */
.search-form{display:flex;gap:8px}
.search-form label{flex:1}
.search-field{width:100%;border:1px solid var(--line-2);padding:9px 12px;font-size:13.5px;font-family:inherit;background:var(--bg)}
.search-field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,95,107,.13)}
.search-submit{background:var(--ink);color:#fff;border:1px solid var(--ink);padding:0 16px;cursor:pointer;font-size:13.5px}
.search-submit:hover{background:var(--brand);border-color:var(--brand)}

.pl-404{text-align:center;padding:100px 16px}
.pl-404 h1{font-family:var(--mono);font-size:clamp(64px,10vw,96px);font-weight:700;color:var(--ink);letter-spacing:.04em;line-height:1}
.pl-404 h1::after{content:"";display:block;margin:18px auto 0;width:74px;height:9px;background-image:linear-gradient(var(--accent),var(--accent)),linear-gradient(var(--accent),var(--accent)),linear-gradient(var(--accent),var(--accent));background-size:2px 9px,2px 9px,100% 1.5px;background-position:left center,right center,center center;background-repeat:no-repeat}
.pl-404 h2{font-size:20px;margin-top:20px}
.pl-404 p{color:var(--mute);margin-top:10px}
.pl-404 .pl-btn{margin-top:26px}
.pl-404 .search-form{max-width:380px;margin:14px auto 0}

/* ============================================================
   19 / 页脚（深墨）
   ============================================================ */
.pl-footer{background:var(--ink);color:var(--on-ink-mute);position:relative}
.pl-footer::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--accent) 0 74px,var(--brand) 74px 230px,transparent 230px)}
.pl-footer-grid{display:grid;grid-template-columns:2.1fr 1fr 1fr 1.4fr;gap:40px;padding:62px 0 44px}
.pl-footer h4{display:flex;align-items:center;gap:10px;color:#fff;font-size:14px;font-weight:700;letter-spacing:.16em;margin-bottom:18px}
.pl-footer h4::before{content:"";width:7px;height:7px;background:var(--accent-bright)}
.pl-footer a:hover{color:#fff}
.pl-footer-col li{margin:9px 0;font-size:14px}
.pl-footer-about p{font-size:13.5px;line-height:1.95}
.pl-footer-qr{margin-top:14px;width:96px;height:96px;object-fit:cover;border:1px solid var(--line-ink);background:#fff;padding:4px}
.pl-footer-qr-tip{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;margin-top:7px}
.pl-footer-contact li{display:flex;align-items:flex-start;gap:11px;margin:11px 0;font-size:14px}
.pl-footer-contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:5px;color:var(--accent-bright)}
.pl-footer-contact strong{color:#fff;font-family:var(--mono);font-weight:600;letter-spacing:.02em}
.pl-footer-bottom{border-top:1px solid var(--line-ink);padding:17px 0;font-family:var(--mono);font-size:12px;letter-spacing:.05em;text-align:center}
.pl-footer-bottom a:hover{color:#fff}

/* ============================================================
   20 / 浮动工具条
   ============================================================ */
.pl-float{position:fixed;right:14px;bottom:110px;z-index:99;display:flex;flex-direction:column;gap:9px}
.pl-float-item{width:48px;height:48px;background:var(--bg);border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;color:var(--brand);cursor:pointer;box-shadow:0 6px 18px rgba(13,27,34,.13);position:relative;transition:.18s}
.pl-float-item svg{width:20px;height:20px}
.pl-float-item:hover{color:#fff;background:var(--brand);border-color:var(--brand)}
.pl-float-qr{position:absolute;right:58px;top:50%;transform:translateY(-50%);background:#fff;padding:8px;border:1px solid var(--line-2);box-shadow:0 10px 26px rgba(13,27,34,.18);display:none;width:128px}
.pl-float-qr img{width:100%}
.pl-float-wx:hover .pl-float-qr{display:block}
#pl-top{display:none}

/* ============================================================
   21 / 滚动入场（渐进增强，JS 加 .js 后生效）
   ============================================================ */
@media(prefers-reduced-motion:no-preference){
  .js [data-reveal]{opacity:1;transform:none;transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
  .js [data-reveal].is-in{opacity:1;transform:none}
  .js [data-reveal-group]>*{opacity:1;transform:none;transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
  .js [data-reveal-group].is-in>*{opacity:1;transform:none}
}

/* ============================================================
   22 / 响应式
   ============================================================ */
@media(max-width:1080px){
  .pl-hero-grid{gap:34px}
  .pl-menu>li>a{padding:25px 12px}
}
@media(max-width:992px){
  .pl-grid-4{grid-template-columns:repeat(2,1fr)}
  .pl-grid-3{grid-template-columns:repeat(2,1fr)}
  .pl-layout,.pl-layout-rev{grid-template-columns:1fr}
  .pl-product-top{grid-template-columns:1fr;gap:26px}
  .pl-footer-grid{grid-template-columns:1fr 1fr}
  .pl-contact-grid{grid-template-columns:1fr}
  .pl-about-grid{grid-template-columns:1fr;gap:38px}
  .pl-hero-grid{grid-template-columns:1fr;padding-top:52px;padding-bottom:48px}
  .pl-hero-figure{order:2;margin-top:8px}
  .pl-hero-figure svg{max-width:430px}
  .pl-flow{flex-wrap:wrap;gap:30px 26px}
  .pl-flow li{flex:1 1 calc(33.33% - 18px)}
  .pl-flow li:nth-child(3)::before{right:0}
  .pl-cta .container{grid-template-columns:1fr}
  .pl-header-cta{display:none}
  .pl-nav-toggle{display:flex}
  .pl-nav{position:fixed;top:0;right:-300px;width:282px;height:100vh;height:100dvh;background:var(--ink-2);box-shadow:-10px 0 34px rgba(0,0,0,.4);transition:right .26s;padding:78px 0 24px;overflow-y:auto;z-index:200}
  .pl-nav.open{right:0}
  .pl-menu{flex-direction:column;gap:0}
  .pl-menu>li>a{padding:14px 24px;border-bottom:1px solid var(--line-ink);color:var(--on-ink)}
  .pl-menu>li>a::after{display:none}
  .pl-menu .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:transparent;padding:0 0 4px 14px}
  .pl-menu .sub-menu a{color:var(--on-ink-mute)}
  body.pl-nav-open::after{content:"";position:fixed;inset:0;background:rgba(6,13,17,.55);z-index:150}
}
@media(max-width:640px){
  .pl-topbar-in span:first-child{display:none}
  .pl-topbar-in{justify-content:center}
  .pl-section{padding:58px 0}
  .pl-sec-head{margin-bottom:32px}
  .pl-sec-head-row{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .pl-grid{gap:14px}
  .pl-grid-3{grid-template-columns:1fr}
  .pl-hero-grid{padding-top:44px;padding-bottom:40px}
  .pl-hero-btns .pl-btn{flex:1 1 auto;justify-content:center}
  .pl-hero-specs{gap:14px 26px}
  .pl-hero-strip .label{margin-right:14px}
  .pl-flow li{flex:1 1 100%;padding-top:0;padding-left:30px}
  .pl-flow li::before{top:22px;left:4px;right:auto;bottom:-30px;width:1px;height:auto}
  .pl-flow li:last-child::before{display:none}
  .pl-flow li::after{top:5px}
  .pl-news-item{flex-direction:column;gap:14px}
  .pl-news-thumb{flex:none;width:100%;height:auto;aspect-ratio:16/10}
  .pl-stats{grid-template-columns:repeat(2,1fr)}
  .pl-stat{padding:20px 18px 17px}
  .pl-footer-grid{grid-template-columns:1fr;padding-top:42px;gap:30px}
  .pl-form-row{grid-template-columns:1fr}
  .pl-inquiry{padding:24px 18px}
  .pl-cta{padding:60px 0}
  .pl-float{right:10px;bottom:86px}
  .pl-float-item{width:44px;height:44px}
}