/*
Theme Name: PL Tower 喷淋塔企业主题
Description: 喷淋塔/废气处理设备厂家官网主题（工程蓝图风格 v2）。产品中心、工程案例、询盘系统，零插件依赖，响应式。
Version: 2.0.1
Requires at least: 6.0
Requires PHP: 7.4
License: GPLv2 or later
Text Domain: pltower
*/

/* ============ 1. Tokens ============ */
:root{
  --ink-900:#0b1420;
  --ink-800:#0f1d2c;
  --ink-700:#16293c;
  --blue:#125a9c;
  --blue-deep:#0d4377;
  --blue-soft:#e9f1f9;
  --blue-bright:#4f9ad8;
  --amber:#ef8e06;
  --amber-deep:#cf7a02;
  --paper:#f3f6f8;
  --panel:#fff;
  --line:#dce4eb;
  --line-dark:rgba(146,178,205,.16);
  --txt:#243140;
  --muted:#5f7388;
  --dim:#93acc4;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,"Cascadia Mono",Consolas,"Liberation Mono",monospace;
  --shadow:0 14px 38px rgba(13,33,52,.10);
  --shadow-lg:0 24px 60px rgba(8,22,38,.34);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--txt);font-size:15px;line-height:1.78;background:#fff}
body::before{content:"";display:block;height:5px;background:repeating-linear-gradient(135deg,var(--amber) 0 12px,var(--ink-900) 12px 24px)}
img{max-width:100%;height:auto;vertical-align:middle}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
::selection{background:var(--amber);color:#fff}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink-900);color:#fff;padding:10px 16px;z-index:999;font-size:14px}
.skip-link:focus{left:12px;top:12px}

.container{max-width:1200px;margin:0 auto;padding:0 22px}
.pad-y{padding:56px 0 84px}
.mono{font-family:var(--mono)}

/* ============ 2. Buttons / Eyebrow ============ */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:4px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;line-height:1.3}
.btn-cta{background:var(--amber);color:#fff;box-shadow:0 8px 22px rgba(239,142,6,.32)}
.btn-cta:hover{background:var(--amber-deep);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#eaf3fb;border:1px solid rgba(186,214,236,.45)}
.btn-ghost:hover{background:rgba(186,214,236,.12);border-color:rgba(186,214,236,.8)}
.btn-line{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.btn-line:hover{background:var(--blue);color:#fff}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);font-weight:600}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber)}
.eyebrow.inv{color:var(--blue-bright)}

/* ============ 3. Topbar / Header ============ */
.topbar{background:var(--ink-900);color:var(--dim);font-size:12.5px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:38px;gap:14px}
.topbar-slogan{font-family:var(--mono);letter-spacing:.06em}
.topbar a{color:#cfe2f3}
.topbar a:hover{color:#fff}
.topbar i{margin:0 10px;font-style:normal;opacity:.35}

.site-head{background:#fff;position:sticky;top:0;z-index:90;border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-head.stuck{box-shadow:0 8px 26px rgba(13,33,52,.10)}
.head-in{display:flex;align-items:center;gap:26px;height:78px}
.site-logo img{max-height:52px;width:auto}
.logo-text strong{display:block;font-size:21px;color:var(--ink-800);letter-spacing:.02em;line-height:1.25}
.logo-text small{display:block;font-size:11.5px;color:var(--muted);font-family:var(--mono);letter-spacing:.08em;margin-top:2px}
.main-nav{margin-left:auto}
.main-nav .menu{display:flex;gap:2px}
.main-nav .menu>li{position:relative}
.main-nav .menu>li>a{display:block;padding:10px 15px;font-size:15.5px;font-weight:600;border-radius:4px;position:relative}
.main-nav .menu>li>a::after{content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.main-nav .menu>li>a:hover,.main-nav .menu>li.current-menu-item>a,.main-nav .menu>li.current_page_item>a{color:var(--blue)}
.main-nav .menu>li>a:hover::after,.main-nav .menu>li.current-menu-item>a::after,.main-nav .menu>li.current_page_item>a::after{transform:scaleX(1)}
.main-nav .menu .sub-menu{position:absolute;top:100%;left:0;min-width:188px;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:0 16px 38px rgba(13,33,52,.14);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s;z-index:50}
.main-nav .menu li:hover>.sub-menu{opacity:1;visibility:visible;transform:translateY(6px)}
.main-nav .menu .sub-menu a{display:block;padding:9px 12px;font-size:14px;border-radius:4px}
.main-nav .menu .sub-menu a:hover{background:var(--blue-soft);color:var(--blue)}

.head-tel{display:flex;align-items:center;gap:10px;padding-right:4px}
.head-tel svg{width:30px;height:30px;color:var(--blue);flex:none}
.head-tel small{display:block;font-size:11px;color:var(--muted);letter-spacing:.06em}
.head-tel strong{display:block;font-family:var(--mono);font-size:17px;color:var(--ink-800);line-height:1.2;letter-spacing:-.01em}
.head-cta{padding:11px 20px}

.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:none;border:1px solid var(--line);border-radius:6px;cursor:pointer;padding:0 9px}
.nav-toggle span{height:2px;background:var(--ink-800);border-radius:2px;transition:.25s}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 4. Hero（工程蓝图） ============ */
.bp-dark{background:var(--ink-800);background-image:
  linear-gradient(rgba(125,170,205,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(125,170,205,.05) 1px,transparent 1px),
  linear-gradient(rgba(125,170,205,.10) 1px,transparent 1px),
  linear-gradient(90deg,rgba(125,170,205,.10) 1px,transparent 1px);
  background-size:28px 28px,28px 28px,140px 140px,140px 140px}
.hero{position:relative;color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:120px;background:linear-gradient(transparent,rgba(7,15,24,.5));pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;padding-top:74px}
.hero h1{font-size:clamp(30px,4.4vw,46px);line-height:1.22;letter-spacing:.01em;font-weight:800}
.hero-sub{margin:18px 0 30px;font-size:17px;color:#b9cfe3;max-width:34em}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-copy .eyebrow{margin-bottom:18px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-tags li{font-family:var(--mono);font-size:12px;letter-spacing:.05em;color:#a9c4da;border:1px solid rgba(146,178,205,.35);border-radius:3px;padding:5px 11px;background:rgba(13,33,52,.4)}
.hero-art{position:relative;display:flex;justify-content:center}
.tower{width:100%;max-width:480px;height:auto;display:block}
.tower text{font-family:var(--mono);font-size:12px;fill:#8fb4d4;letter-spacing:.06em}

.hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-dark);margin-top:58px;padding:26px 0 40px}
.stat{position:relative;padding:0 22px}
.stat+.stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line-dark)}
.stat strong{display:flex;align-items:baseline;gap:2px;font-family:var(--mono);font-size:32px;font-weight:700;color:#fff;line-height:1.15}
.stat strong i{font-style:normal;font-size:17px;color:var(--amber);font-weight:700;transform:translateY(-1px)}
.stat span{display:block;font-size:12.5px;color:var(--dim);margin-top:6px;letter-spacing:.04em}

/* ============ 5. Sections ============ */
.sec{padding:78px 0}
.sec-alt{background:var(--paper)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,2.8vw,31px);color:var(--ink-800);font-weight:800;letter-spacing:.01em;margin-top:12px;line-height:1.3}
.sec-head .sub{margin-top:8px;color:var(--muted);font-size:14.5px}
.sec-link{font-family:var(--mono);font-size:13px;color:var(--blue);font-weight:600;letter-spacing:.04em;display:inline-flex;align-items:center;gap:6px;padding-bottom:4px}
.sec-link::after{content:"→";transition:transform .2s}
.sec-link:hover::after{transform:translateX(4px)}
.sec-head.center{display:block;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head.light h2{color:#fff}
.sec-head.light .sub{color:#b9cfe3}
.empty-tip{text-align:center;color:var(--muted);background:var(--paper);border:1px dashed #c7d4e0;border-radius:8px;padding:34px;font-size:14px}

/* ============ 6. Cards / Chips ============ */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;display:block;background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s}
.card::before{content:"";position:absolute;left:0;top:0;right:0;height:2px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .3s;z-index:3}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c3d2e0}
.card:hover::before{transform:scaleX(1)}
.card-media{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:var(--paper)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-media img{transform:scale(1.045)}
.card-tag{position:absolute;left:12px;top:12px;z-index:2;font-family:var(--mono);font-size:11px;letter-spacing:.08em;background:rgba(11,20,32,.82);color:#cfe6f8;padding:4px 9px;border-radius:3px}
.card-body{display:block;padding:18px 20px 20px}
.card-body strong{display:block;font-size:16.5px;color:var(--ink-800);line-height:1.45}
.card-body em{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-style:normal;font-size:13.5px;color:var(--muted);margin:9px 0 14px;line-height:1.7}
.card-body i{font-style:normal;font-family:var(--mono);font-size:12.5px;color:var(--blue);font-weight:600;letter-spacing:.04em}
.card-body i::after{content:" →";transition:.2s}
.card:hover .card-body i::after{padding-left:3px}

.plt-noimg{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;width:100%;height:100%;
  background-color:#eef3f7;
  background-image:linear-gradient(rgba(108,140,170,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(108,140,170,.10) 1px,transparent 1px);
  background-size:22px 22px}
.plt-noimg svg{width:46%;max-width:150px;height:auto}
.plt-noimg::after{content:"喷淋塔设备";font-family:var(--mono);font-size:11px;letter-spacing:.4em;color:#9db4c8;padding-left:.4em}

.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin:-14px 0 30px}
.chip{font-family:var(--mono);padding:7px 16px;border-radius:4px;background:#fff;border:1px solid var(--line);font-size:13px;letter-spacing:.03em;transition:.2s;color:var(--muted)}
.chip:hover{border-color:var(--blue);color:var(--blue)}

/* ============ 7. 交付流程 ============ */
.flow{display:grid;grid-template-columns:repeat(5,1fr);position:relative;counter-reset:step}
.flow::before{content:"";position:absolute;top:9px;left:8px;right:26px;height:2px;background:var(--line)}
.flow::after{content:"";position:absolute;top:3px;right:14px;border:7px solid transparent;border-left:11px solid var(--amber)}
.step{position:relative;padding:40px 26px 0 0}
.step::before{content:"";position:absolute;top:1px;left:0;width:18px;height:18px;border:2px solid var(--blue);background:#fff;border-radius:50%;transition:.2s}
.step:hover::before{border-color:var(--amber);box-shadow:0 0 0 5px rgba(239,142,6,.14)}
.step b{display:block;font-family:var(--mono);font-size:12px;color:var(--blue);letter-spacing:.14em;margin-bottom:10px}
.step h3{font-size:16.5px;color:var(--ink-800);margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 8. 关于我们（深色带） ============ */
.about-band{color:#dcebf8}
.about-in{display:grid;grid-template-columns:1.12fr .88fr;gap:54px;align-items:start}
.about-txt h2{font-size:clamp(24px,2.8vw,31px);color:#fff;font-weight:800;margin-top:12px}
.about-txt>p{color:#a9c4da;margin:16px 0 26px;font-size:14.5px;max-width:36em}
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:0 0 30px}
.adv{display:flex;gap:13px;border:1px solid var(--line-dark);border-radius:6px;padding:16px;background:rgba(13,33,52,.42);transition:border-color .2s,background .2s}
.adv:hover{border-color:rgba(146,178,205,.4);background:rgba(18,42,66,.55)}
.adv svg{width:26px;height:26px;flex:none;color:var(--amber);margin-top:2px}
.adv h3{font-size:15px;color:#fff;margin-bottom:4px}
.adv p{font-size:12.5px;color:#93acc4;line-height:1.65}
.about-pts{border:1px solid var(--line-dark);border-radius:8px;background:rgba(13,33,52,.42);padding:26px 28px}
.about-pts h3{color:#fff;font-size:16px;margin-bottom:6px}
.about-pts .pt-sub{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--dim);margin-bottom:14px}
.about-pts li{display:flex;gap:12px;align-items:baseline;padding:11px 0;border-bottom:1px dashed rgba(146,178,205,.22);font-size:14px;color:#cfe2f3}
.about-pts li:last-child{border:none}
.about-pts li::before{content:"✓";font-family:var(--mono);color:var(--amber);font-weight:700;flex:none}

/* ============ 9. 新闻 ============ */
.news-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.news-cell{display:flex;gap:18px;padding:26px 26px 26px 0;border-bottom:1px solid var(--line)}
.news-cell+.news-cell{padding-left:26px;border-left:1px solid var(--line)}
.news-when{flex:none;text-align:center;font-family:var(--mono)}
.news-when b{display:block;font-size:26px;color:var(--ink-800);font-weight:700;line-height:1.1}
.news-when span{display:block;font-size:11px;color:var(--muted);letter-spacing:.06em;margin-top:3px}
.news-cell h3{font-size:15.5px;line-height:1.55;color:var(--ink-800);font-weight:600;margin-bottom:8px;transition:color .2s}
.news-cell:hover h3{color:var(--blue)}
.news-cell p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7}

/* ============ 10. 询盘带 / 表单 ============ */
.inquiry-band{color:#fff}
.inq-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
.inq-copy h2{font-size:clamp(24px,2.8vw,31px);color:#fff;font-weight:800;margin-top:12px;line-height:1.35}
.inq-copy>p{color:#a9c4da;margin:14px 0 26px;font-size:14.5px}
.inq-pts li{display:flex;gap:12px;align-items:baseline;padding:9px 0;font-size:14px;color:#cfe2f3}
.inq-pts li b{font-family:var(--mono);color:var(--amber);font-weight:700;font-size:13px;flex:none;width:38px}
.plt-form{background:#fff;border-radius:10px;padding:30px 30px 26px;box-shadow:var(--shadow-lg);color:var(--txt)}
.plt-form-head{margin-bottom:20px}
.plt-form-head strong{display:block;font-size:17px;color:var(--ink-800)}
.plt-form-head span{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.f-field{display:block}
.f-field.full{grid-column:1/-1}
.f-label{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);margin-bottom:7px}
.f-label em{font-style:normal;color:var(--amber)}
.plt-form input,.plt-form textarea{width:100%;border:1px solid #d3dde6;border-radius:6px;padding:12px 14px;font-size:14.5px;font-family:inherit;background:#fbfdfe;transition:border-color .15s,box-shadow .15s}
.plt-form input:focus,.plt-form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(18,90,156,.13);background:#fff}
.plt-form textarea{resize:vertical;min-height:104px}
.f-submit{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;flex-wrap:wrap}
.f-note{font-size:12px;color:var(--muted)}
.plt-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}

/* ============ 11. 内页 ============ */
.page-head{position:relative;color:#fff;padding:52px 0 46px}
.page-head .crumb{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--dim);margin-bottom:12px}
.page-head .crumb a:hover{color:#fff}
.page-head h1{font-size:clamp(24px,3vw,32px);font-weight:800;display:inline-block}
.page-head h1::after{content:"";display:block;width:42px;height:3px;background:var(--amber);margin-top:14px}
.page-head .desc{margin-top:12px;color:#a9c4da;font-size:13.5px}

.news-list{display:grid;gap:18px}
.news-item{display:grid;grid-template-columns:236px 1fr;gap:22px;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.22s}
.news-item:hover{box-shadow:var(--shadow);border-color:#c3d2e0}
.news-thumb{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--paper)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-info{padding:20px 22px 18px 0;display:flex;flex-direction:column}
.news-info h2{font-size:17px;line-height:1.55;font-weight:600}
.news-info h2 a:hover{color:var(--blue)}
.news-info p{font-size:13.5px;color:var(--muted);margin:9px 0 auto;line-height:1.7}
.news-info time{font-family:var(--mono);font-size:12px;color:#94a6ba;margin-top:12px;letter-spacing:.04em}

.pagination{margin-top:36px}
.pagination .nav-links{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.pagination .page-numbers{min-width:38px;text-align:center;padding:8px 12px;border:1px solid var(--line);border-radius:4px;font-size:13.5px;font-family:var(--mono);background:#fff;display:inline-block;transition:.15s}
.pagination .page-numbers.current,.pagination .page-numbers:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ============ 12. 产品详情 ============ */
.pd-top{display:grid;grid-template-columns:1.12fr .88fr;gap:36px;margin-bottom:44px}
.pd-media{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--paper);aspect-ratio:16/11}
.pd-media img{width:100%;height:100%;object-fit:cover}
.pd-info h2{font-size:25px;color:var(--ink-800);font-weight:800;margin-bottom:14px;line-height:1.4}
.pd-cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.pd-cats a{font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;color:var(--blue);border:1px solid #c4d6e8;border-radius:3px;padding:4px 10px;background:var(--blue-soft)}
.pd-cats a:hover{border-color:var(--blue)}
.pd-desc{color:#41566c;font-size:14.5px;background:var(--paper);border-left:3px solid var(--blue);padding:13px 16px;border-radius:0 6px 6px 0;margin-bottom:18px;line-height:1.8}
.pd-hot{display:flex;align-items:center;gap:14px;border:1px dashed #f3bf7a;background:#fff8ee;border-radius:6px;padding:14px 18px;margin-bottom:20px}
.pd-hot small{font-size:12.5px;color:#9a6b2a;letter-spacing:.04em}
.pd-hot strong{font-family:var(--mono);color:var(--amber-deep);font-size:21px;letter-spacing:-.01em}
.pd-btns{display:flex;gap:12px;flex-wrap:wrap}
.block-title{display:flex;align-items:center;gap:12px;font-size:19px;color:var(--ink-800);font-weight:800;margin:40px 0 20px}
.block-title::before{content:"";width:4px;height:20px;background:var(--amber);border-radius:2px}
.block-title small{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted);font-weight:600;text-transform:uppercase}

/* ============ 13. 正文排版 ============ */
.entry{line-height:1.95;color:#33455a}
.entry p{margin-bottom:1em}
.entry h2{font-size:21px;color:var(--ink-800);margin:1.5em 0 .7em;font-weight:700}
.entry h3{font-size:18px;color:var(--ink-800);margin:1.3em 0 .6em;font-weight:700}
.entry ul,.entry ol{padding-left:1.6em;margin-bottom:1em}
.entry ul{list-style:disc}
.entry ol{list-style:decimal}
.entry img{border-radius:8px;margin:12px 0}
.entry blockquote{border-left:3px solid var(--amber);background:var(--paper);padding:14px 18px;border-radius:0 6px 6px 0;margin:1.2em 0;color:#41566c}
.entry table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:14px}
.entry th,.entry td{border:1px solid #d6e0ea;padding:10px 13px;text-align:left}
.entry th{background:var(--ink-800);color:#e8f1f9;font-weight:600;letter-spacing:.03em}
.entry tr:nth-child(even) td{background:#f7fafc}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line);font-size:14px}
.post-nav a{color:var(--blue)}
.post-nav a:hover{text-decoration:underline}
.page-narrow{max-width:880px;margin:0 auto}

/* ============ 14. Footer ============ */
.site-foot{background:var(--ink-900);color:#93acc4}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:44px;padding:58px 22px 46px}
.foot-col h3{color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:.03em}
.foot-col h3::after{content:"";display:block;width:18px;height:2px;background:var(--amber);margin-top:9px}
.foot-about p{font-size:13px;line-height:1.95;margin-top:-4px;max-width:30em}
.foot-links li{font-size:13.5px;line-height:2.3}
.foot-links a{color:#93acc4;transition:color .15s}
.foot-links a:hover{color:#fff}
.foot-contact li{display:flex;gap:10px;font-size:13px;line-height:1.7;padding:5px 0}
.foot-contact li b{flex:none;font-weight:400;color:#6c8499}
.foot-contact .tel{font-family:var(--mono);font-size:18px;color:#fff;letter-spacing:-.01em}
.foot-bot{border-top:1px solid rgba(146,178,205,.14);padding:16px 0;font-size:12px;color:#6c8499}
.foot-bot .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-family:var(--mono);letter-spacing:.02em}
.foot-bot a{color:#8aa3ba}
.foot-bot a:hover{color:#fff}

/* ============ 15. 浮层 ============ */
.backtop{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:6px;background:var(--ink-800);border:1px solid rgba(146,178,205,.3);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;opacity:0;pointer-events:none;transform:translateY(12px);transition:.3s;z-index:80}
.backtop:hover{background:var(--blue)}
.backtop.show{opacity:1;pointer-events:auto;transform:none}
.plt-toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,150%);background:var(--ink-900);color:#fff;padding:13px 26px;border-radius:6px;font-size:14px;border-left:3px solid var(--amber);box-shadow:0 16px 40px rgba(0,0,0,.35);transition:transform .35s;z-index:99;max-width:92vw}
.plt-toast.show{transform:translate(-50%,0)}

/* ============ 16. 动效（尊重 reduced-motion） ============ */
@media (prefers-reduced-motion: no-preference){
  body.rvon .rv{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
  body.rvon .rv.on{opacity:1;transform:none}

  @keyframes plRise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
  .hl1,.hl2,.hl3,.hl4,.hl5{opacity:0;animation:plRise .7s cubic-bezier(.2,.7,.3,1) forwards}
  .hl1{animation-delay:.05s}.hl2{animation-delay:.16s}.hl3{animation-delay:.28s}.hl4{animation-delay:.4s}.hl5{animation-delay:.52s}

  @keyframes plDash{to{stroke-dashoffset:0}}
  .tower .draw{stroke-dasharray:1;stroke-dashoffset:1;animation:plDash .9s ease-out forwards}
  .tower .d1{animation-delay:.15s}.tower .d2{animation-delay:.32s}.tower .d3{animation-delay:.5s}
  .tower .d4{animation-delay:.68s}.tower .d5{animation-delay:.86s}.tower .d6{animation-delay:1.02s}
  @keyframes plFade{to{opacity:1}}
  .tower .lbl{opacity:0;animation:plFade .6s ease 1.3s forwards}
  @keyframes plUp{0%{transform:translateY(7px);opacity:0}25%{opacity:1}75%{opacity:1}100%{transform:translateY(-9px);opacity:0}}
  .tower .gas-up{animation:plUp 1.7s linear infinite}
  .tower .gas-up.g2{animation-delay:.85s}
  @keyframes plIn{0%{transform:translateX(-7px);opacity:0}25%{opacity:1}75%{opacity:1}100%{transform:translateX(9px);opacity:0}}
  .tower .gas-in{animation:plIn 1.6s linear infinite}
  .tower .gas-in.g2{animation-delay:.55s}
  .tower .gas-in.g3{animation-delay:1.1s}
  @keyframes plDrop{0%{transform:translateY(0);opacity:0}18%{opacity:.95}100%{transform:translateY(30px);opacity:0}}
  .tower .drop{animation:plDrop 1.5s ease-in infinite}
  .tower .drop.g2{animation-delay:.75s}
  @keyframes plFlow{to{stroke-dashoffset:-24}}
  .tower .flowdash{stroke-dasharray:4 8;animation:plFlow 1s linear infinite}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .tower .flowdash{display:none}
}

/* ============ 17. 响应式 ============ */
@media(max-width:1080px){
  .head-tel{display:none}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:38px;padding-top:58px}
  .hero-art{order:2}
  .tower{max-width:400px}
  .flow{grid-template-columns:repeat(2,1fr);gap:0 28px}
  .flow::before,.flow::after{display:none}
  .step{padding:0 0 26px 32px}
  .step::before{top:3px}
  .step::after{content:"";position:absolute;left:8px;top:24px;bottom:6px;width:2px;background:var(--line)}
  .about-in,.inq-grid{grid-template-columns:1fr;gap:36px}
  .pd-top{grid-template-columns:1fr}
  .head-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto;position:relative;z-index:88}
  body.nav-open .nav-toggle{border-color:rgba(146,178,205,.4)}
  body.nav-open .nav-toggle span{background:#e8f1f9}
  body.nav-open::after{content:"";position:fixed;inset:0;background:rgba(7,13,21,.58);z-index:60}
  .main-nav{position:fixed;top:0;right:0;bottom:0;width:min(304px,84vw);background:
      linear-gradient(rgba(146,178,205,.07) 1px,transparent 1px),
      linear-gradient(90deg,rgba(146,178,205,.07) 1px,transparent 1px),var(--ink-900);
    background-size:28px 28px,28px 28px,auto;
    box-shadow:-24px 0 56px rgba(0,0,0,.45);transform:translateX(105%);transition:.3s;padding:88px 24px 28px;overflow-y:auto;z-index:85;margin-left:0}
  .main-nav::before{content:"MENU / 站内导航";position:absolute;top:34px;left:24px;font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--amber)}
  body.nav-open .main-nav{transform:none}
  .main-nav .menu{flex-direction:column;gap:0}
  .main-nav .menu>li+li{border-top:1px solid rgba(146,178,205,.14)}
  .main-nav .menu>li>a{color:#e8f1f9;padding:14px 2px;font-size:16px}
  .main-nav .menu>li>a:hover,.main-nav .menu>li.current-menu-item>a,.main-nav .menu>li.current_page_item>a{color:var(--blue-bright)}
  .main-nav .menu>li>a::after{display:none}
  .main-nav .menu .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;background:transparent;padding:0 0 8px 14px}
  .main-nav .menu .sub-menu a{color:var(--dim)}
  .main-nav .menu .sub-menu a:hover{background:rgba(146,178,205,.1);color:#fff}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:760px){
  .topbar-slogan{display:none}
  .topbar-in{justify-content:center}
  .head-in{height:68px}
  .hero-grid{padding-top:46px}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:24px;margin-top:40px}
  .stat:nth-child(odd){padding-left:0}
  .stat:nth-child(3)::before{display:none}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .sec{padding:56px 0}
  .flow{grid-template-columns:1fr}
  .news-row{grid-template-columns:1fr;border-top:none}
  .news-cell{padding:20px 0}
  .news-cell+.news-cell{padding-left:0;border-left:none}
  .f-row{grid-template-columns:1fr}
  .adv-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-info{padding:0 18px 18px}
  .foot-grid{grid-template-columns:1fr;gap:30px;padding-top:44px}
  .foot-bot .container{justify-content:center;text-align:center}
  .pad-y{padding:44px 0 64px}
}