/* ============================================================
   草原钢城主题（baotou_design_steelsteppe）
   糖纸电商网站群 · 城市站模板 v5.0
   视觉语言：草原钢城·鹿城 —— 熔炉钢橙 + 草原深翠 + 鹿角枝蔓母题
   上下双层Hero(大标题横幅+三特性卡) / 实色分离导航 / 异形斜切 / 标准密度80px
   母题线条贯穿（鹿角枝蔓 SVG 线条生长动画）
   ============================================================ */

/* ---------- 1. 设计令牌（灰度严格遵守 §1.5 下限） ---------- */
:root{
  --brand:#bd5320;          /* 熔炉钢橙（主色） */
  --brand-600:#a2451a;
  --brand-700:#7e3413;
  --brand-deep:#241a13;     /* 碳黑褐（深色容器底：hero/信任条/CTA/页脚波纹上带） */
  --ember:#e0854f;          /* 炉火浅橙（深底上的强调） */
  --accent:#3e7259;         /* 草原深翠（辅色，与主色色相差 >30°） */
  --accent-600:#325c48;
  --sun:#d8b56a;            /* 草原日晕金（点缀） */

  --bg:#f5f2ea;             /* 毡房暖米 */
  --surface:#ffffff;
  --surface-2:#ece7db;

  /* 灰度（生成后核对实际色值，均 ≤ 下限） */
  --text:#231a14;
  --text-soft:#4a4038;
  --text-light:#5c544a;     /* ≤ #64748b 达标 */
  --gray:#8b8378;           /* ≤ #94a3b8 */
  --gray-light:#cbd5e1;     /* border/divider ≤ #cbd5e1 */
  --border:#cfc7ba;         /* 较 #cbd5e1 更深，白底肉眼可辨 */

  --radius:6px;             /* 小圆角基底 */
  --cut:22px;               /* 异形斜切：左下 45° 切角 */
  --shadow-sm:0 2px 10px rgba(36,26,19,.08);
  --shadow-md:0 12px 30px rgba(36,26,19,.12);
  --shadow-lg:0 22px 54px rgba(36,26,19,.18);

  --maxw:1200px;
  --section-py:80px;        /* 密度 A 标准 80px */
  --header-h:64px;

  --font-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. 复位 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);overflow-x:clip}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-600);text-decoration:none}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;line-height:1.28;font-weight:700;color:var(--text)}
p{margin:0 0 1em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 3. 头部导航 · 实色分离（维度7-A，深色实条） ---------- */
.site-header{position:sticky;top:0;z-index:1000;background:var(--brand-deep);border-bottom:3px solid var(--brand);transition:box-shadow .3s}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(36,26,19,.28)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:18px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;text-decoration:none;flex-shrink:0}
.brand svg{flex-shrink:0}
.brand-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:5px;padding:10px 14px;font-size:15.5px;font-weight:500;color:rgba(255,255,255,.85);text-decoration:none;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;white-space:nowrap}
.nav-link:hover{color:#fff;border-bottom-color:var(--ember)}
.nav-item.is-active>.nav-link{color:#fff;font-weight:700;border-bottom-color:var(--sun)}
.nav-link .caret{width:10px;height:10px;transition:transform .25s var(--ease);flex-shrink:0}
.has-dropdown:hover>.nav-link .caret{transform:rotate(180deg)}
.has-dropdown>.dropdown{position:absolute;top:100%;left:0;min-width:210px;background:#fff;border:1px solid var(--gray-light);border-top:3px solid var(--brand);box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .24s var(--ease);z-index:1200}
.has-dropdown:hover>.dropdown,.has-dropdown:focus-within>.dropdown{opacity:1;visibility:visible;transform:translateY(2px)}
.dropdown a{display:block;padding:9px 12px;font-size:14.5px;color:var(--text-soft);border-left:2px solid transparent;transition:background .18s,color .18s,border-color .18s}
.dropdown a:hover{background:var(--surface-2);color:var(--brand-600);border-left-color:var(--brand)}
.dropdown a::before{content:"";display:inline-block;width:6px;height:6px;margin-right:9px;background:var(--accent);vertical-align:middle}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.06);align-items:center;justify-content:center;cursor:pointer;color:#fff}
.nav-toggle svg{width:22px;height:22px}
.nav-mask{position:fixed;inset:0;background:rgba(36,26,19,.5);opacity:0;visibility:hidden;transition:.3s;z-index:1100}
.nav-mask.open{opacity:1;visibility:visible}

/* ---------- 4. Hero · 上下双层（维度1-F）：大标题横幅 + 三特性卡，grid 叠放轮播 ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:
    radial-gradient(900px 460px at 84% 0%,rgba(216,181,106,.18),transparent 60%),
    linear-gradient(155deg,var(--brand-deep) 0%,#4a2410 52%,var(--brand-700) 100%);
  isolation:isolate}
.hero-grass{position:absolute;left:0;right:0;bottom:0;width:100%;pointer-events:none;z-index:0;opacity:.5}
.hero-grass svg{width:100%;height:110px;display:block}
.hero .container{position:relative;z-index:2}
.hero-banner{padding:calc(var(--header-h) + 58px) 0 34px}
.hero-slides{display:grid;grid-template-columns:1fr}
.hero-slide{grid-area:1/1;display:flex;flex-direction:column;align-items:flex-start;opacity:0;visibility:hidden;transition:opacity .8s var(--ease),visibility .8s;pointer-events:none}
.hero-slide.is-active{opacity:1;visibility:visible;pointer-events:auto}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;letter-spacing:.16em;color:var(--sun);font-weight:700;margin-bottom:16px}
.hero-eyebrow svg{width:17px;height:17px}
.hero-title{font-size:clamp(30px,4.8vw,50px);line-height:1.16;color:#fff;font-weight:800;margin-bottom:16px;max-width:760px}
.hero-title b{color:var(--ember);font-weight:800}
.hero-sub{font-size:clamp(15px,1.7vw,18px);color:rgba(255,255,255,.85);margin-bottom:28px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-dots{display:flex;gap:9px;margin-top:26px}
.hero-dot{width:10px;height:10px;border:0;background:rgba(255,255,255,.35);cursor:pointer;transition:all .25s;padding:0;transform:rotate(45deg)}
.hero-dot.is-active{background:var(--sun);transform:rotate(45deg) scale(1.25)}
.hero-arrow{position:absolute;top:44%;transform:translateY(-50%);z-index:3;width:44px;height:44px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.08);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.25s}
.hero-arrow:hover{background:var(--brand);border-color:var(--brand)}
.hero-arrow.prev{left:16px}.hero-arrow.next{right:16px}
.hero-arrow svg{width:20px;height:20px}
/* 三特性卡（hero 下层，常驻） */
.hero-cards{padding:0 0 62px}
.hero-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.hero-card{display:flex;gap:16px;align-items:flex-start;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-left:3px solid var(--sun);padding:22px 20px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);transition:transform .25s var(--ease),background .25s}
.hero-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.12)}
.hero-card svg{width:32px;height:32px;color:var(--sun);flex-shrink:0;margin-top:2px;transition:transform .3s var(--ease)}
.hero-card:hover svg{transform:rotate(-8deg) scale(1.12)}
.hero-card h3{color:#fff;font-size:17px;margin-bottom:5px}
.hero-card p{color:rgba(255,255,255,.78);font-size:14px;margin:0}
/* slide 内容逐项交错入场 */
.hero-slide .hero-eyebrow,.hero-slide .hero-title,.hero-slide .hero-sub,.hero-slide .hero-actions,.hero-slide .hero-dots{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.hero-slide.is-active .hero-eyebrow{opacity:1;transform:none;transition-delay:.05s}
.hero-slide.is-active .hero-title{opacity:1;transform:none;transition-delay:.14s}
.hero-slide.is-active .hero-sub{opacity:1;transform:none;transition-delay:.23s}
.hero-slide.is-active .hero-actions{opacity:1;transform:none;transition-delay:.32s}
.hero-slide.is-active .hero-dots{opacity:1;transform:none;transition-delay:.4s}

/* ---------- 5. 按钮（光斑滑过 + 箭头位移） ---------- */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:9px;padding:13px 27px;border-radius:0;border:1px solid transparent;font-size:16px;font-weight:700;cursor:pointer;transition:transform .2s var(--ease),box-shadow .25s,color .2s,background .2s;text-decoration:none;clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%)}
.btn svg{width:18px;height:18px;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-18deg);transition:left .6s var(--ease)}
.btn:hover::after{left:130%}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--brand-600);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 6. 区块 + 编号标签标题（维度10-C 变体：方块编号） ---------- */
.section{padding:var(--section-py) 0;position:relative}
.section-tight{padding:calc(var(--section-py) - 22px) 0}
.section-alt{background:var(--surface)}
.section-head{margin:0 0 36px}
.sec-tag{display:inline-flex;align-items:center;gap:10px;margin-bottom:12px}
.sec-tag .no{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;background:var(--brand);color:#fff;font-weight:800;font-size:17px;clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%)}
.sec-tag .lb{font-size:13px;letter-spacing:.16em;color:var(--accent);font-weight:700;text-transform:uppercase}
.section-title{font-size:clamp(23px,3vw,33px);color:var(--text)}
.section-sub{color:var(--text-light);font-size:16.5px;max-width:660px;margin-top:10px}
.head-center{text-align:center}
.head-center .sec-tag{justify-content:center}
.head-center .section-sub{margin-left:auto;margin-right:auto}

/* ---------- 7. 母题：鹿角枝蔓（维度9-D 线条贯穿 + 线条生长动画） ---------- */
.antler-divider{display:block;width:100%;height:40px;color:var(--accent);opacity:.55;margin:0}
.antler-divider svg{width:100%;height:100%;display:block}
.antler-draw path,.antler-draw polyline{stroke-dasharray:420;stroke-dashoffset:420;transition:stroke-dashoffset 1.6s var(--ease)}
.antler-draw.is-drawn path,.antler-draw.is-drawn polyline{stroke-dashoffset:0}
.motif-mark{display:inline-flex;color:var(--brand)}
.motif-mark svg{width:74px;height:22px}
/* 鹿角角标（卡片装饰） */
.antler-mark{position:absolute;top:12px;right:12px;width:34px;height:34px;color:var(--brand);opacity:.3;pointer-events:none}
.antler-mark svg{width:100%;height:100%}

/* ---------- 8. 信任条（维度6-D 深色底，紧贴 hero 下方深色带；全站唯一数字区） ---------- */
.trust-band{background:linear-gradient(120deg,var(--brand-deep),#3a1e0e);color:#fff;position:relative;overflow:hidden}
.trust-band::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;border:2px solid rgba(216,181,106,.3);animation:breathe 7s ease-in-out infinite}
.trust-band .container{position:relative;z-index:1}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:44px 0}
.trust-item{display:flex;align-items:center;gap:14px;padding:10px 6px;transition:transform .25s var(--ease)}
.trust-item:hover{transform:translateY(-4px)}
.trust-item .t-line{width:3px;height:44px;background:linear-gradient(var(--sun),transparent);flex-shrink:0}
.stat-num{color:#fff !important;text-shadow:0 1px 0 rgba(0,0,0,.25);font-size:clamp(30px,3.8vw,42px);font-weight:800;line-height:1;display:inline-block;transition:transform .25s var(--ease)}
.trust-item:hover .stat-num{transform:translateY(-3px)}
.stat-suffix{font-size:20px;color:var(--sun);font-weight:700}
.stat-label{color:rgba(255,255,255,.78);font-size:14px;margin-top:6px}

/* ---------- 9. 业务卡（维度2-G：横贯大卡 + 下一行 2×2/4 小卡，第 4 小卡=全部服务） ---------- */
.biz-lead{position:relative;overflow:hidden;background:linear-gradient(140deg,var(--brand-700),var(--brand) 78%);color:#fff;padding:38px 40px;display:grid;grid-template-columns:1.2fr .9fr;gap:32px;align-items:center;clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%)}
.biz-lead .lh{position:relative;z-index:1}
.biz-lead .badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.12em;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);padding:6px 14px;color:#ffd9b8;margin-bottom:16px}
.biz-lead h3{font-size:clamp(24px,2.8vw,34px);color:#fff;margin-bottom:10px}
.biz-lead p{color:rgba(255,255,255,.86);margin:0}
.biz-lead .lead-icon{position:relative;z-index:1;justify-self:end;width:96px;height:96px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;color:#ffd9b8;transition:transform .35s var(--ease)}
.biz-lead:hover .lead-icon{transform:scale(1.1) rotate(-6deg)}
.biz-lead .lead-icon svg{width:50px;height:50px}
.biz-subgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px}
.biz-mini{position:relative;display:block;background:var(--surface);border:1px solid var(--gray-light);padding:22px 20px 20px;overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s,border-color .24s;clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%)}
.biz-mini:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--brand)}
.biz-mini .mi-icon{width:56px;height:56px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;color:var(--brand);margin-bottom:14px;transition:transform .3s var(--ease),background .3s}
.biz-mini:hover .mi-icon{transform:scale(1.1) rotate(-6deg);background:#fff}
.biz-mini .mi-icon svg{width:30px;height:30px}
.biz-mini h4{font-size:17px;color:var(--text);margin-bottom:6px}
.biz-mini p{font-size:13.5px;color:var(--text-light);margin:0;min-height:42px}
.biz-mini .mi-go{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13.5px;font-weight:700;color:var(--brand-600)}
.biz-mini .mi-go svg{width:15px;height:15px;transition:transform .25s}
.biz-mini:hover .mi-go svg{transform:translateX(4px)}
.biz-mini.is-all{background:var(--accent);border-color:var(--accent)}
.biz-mini.is-all h4{color:#fff}
.biz-mini.is-all p{color:rgba(255,255,255,.8)}
.biz-mini.is-all .mi-icon{background:rgba(255,255,255,.16);color:#fff}
.biz-mini.is-all .mi-go{color:#ffe9c2}

/* ---------- 10. 资讯（维度3-E 3列网格 + 滚动头条） ---------- */
.news-headline{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--gray-light);border-left:4px solid var(--brand);padding:12px 18px;margin-bottom:26px;overflow:hidden}
.news-headline .tag{flex-shrink:0;font-size:12px;font-weight:700;color:#fff;background:var(--brand);padding:4px 10px}
.ticker{position:relative;flex:1;height:24px;overflow:hidden}
.ticker-track{position:absolute;top:0;left:0;width:100%;transition:transform .5s var(--ease)}
.ticker-track a{display:block;height:24px;line-height:24px;color:var(--text-soft);font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ticker-track a:hover{color:var(--brand-600)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{position:relative;background:var(--surface);border:1px solid var(--gray-light);padding:22px 22px 20px;display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s;clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%)}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.news-cat{align-self:flex-start;font-size:12px;color:var(--accent-600);background:rgba(62,114,89,.1);padding:2px 10px;margin-bottom:12px;font-weight:700}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a{color:var(--text)}
.news-card h3 a:hover{color:var(--brand-600)}
.news-card .excerpt{font-size:14px;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;flex:1}
.news-card .meta{font-size:13px;color:var(--gray);display:inline-flex;align-items:center;gap:6px}
.news-card .meta svg{width:13px;height:13px}
.more-link{margin-top:30px}
.more-link.center{text-align:center}

/* ---------- 11. 行业覆盖（自由板块：图标网格，hover 旋转） ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ind-cell{display:flex;flex-direction:column;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--gray-light);padding:26px 16px 22px;text-align:center;transition:transform .24s var(--ease),box-shadow .24s,border-color .24s}
.ind-cell:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--accent)}
.ind-cell svg{width:38px;height:38px;color:var(--accent);transition:transform .35s var(--ease)}
.ind-cell:hover svg{transform:rotate(-10deg) scale(1.15);color:var(--brand)}
.ind-cell span{font-size:15px;font-weight:600;color:var(--text-soft)}

/* ---------- 12. 流程（维度4-A 4步横排连接线，节点呼吸脉冲） ---------- */
.flow{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow::before{content:"";position:absolute;top:31px;left:calc(12.5% + 30px);right:calc(12.5% + 30px);height:2px;background:linear-gradient(90deg,var(--brand),var(--accent));opacity:.4}
.flow-line-fill{position:absolute;top:31px;left:calc(12.5% + 30px);height:2px;background:linear-gradient(90deg,var(--brand),var(--accent));width:0;transition:width 1.4s var(--ease) .3s;opacity:.9}
.flow-line-fill.is-filled{width:calc(75% - 60px)}
.flow-step{position:relative;text-align:center;padding:0 8px}
.flow-node{position:relative;width:62px;height:62px;margin:0 auto 16px;background:var(--surface);border:2px solid var(--brand);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:var(--brand);transition:transform .25s var(--ease)}
.flow-node::before{content:"";position:absolute;inset:-7px;border:2px solid var(--accent);opacity:.5;animation:pulse 2.8s var(--ease) infinite}
.flow-step:hover .flow-node::before{animation-play-state:paused}
.flow-step:hover .flow-node{transform:scale(1.1);background:var(--brand);color:#fff}
.flow-node{transition:transform .25s var(--ease),background .25s,color .25s}
.flow-step h3{font-size:18px;margin-bottom:6px}
.flow-step p{font-size:14px;color:var(--text-light);margin:0}
.flow-tag{display:block;font-size:12px;letter-spacing:.12em;color:var(--accent-600);font-weight:700;margin-bottom:4px}

/* ---------- 13. 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{position:relative;background:var(--surface);border:1px solid var(--gray-light);overflow:hidden;display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s;clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%)}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-cover{aspect-ratio:16/10;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand-700),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center}
.case-cover img{width:100%;height:100%;object-fit:cover}
.case-cover svg{width:46px;height:46px;opacity:.75}
.case-cover .badge{position:absolute;top:12px;left:12px;font-size:12px;background:var(--sun);color:#4a2c10;padding:3px 10px}
.case-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.case-body h3{font-size:17.5px;margin-bottom:6px}
.case-body p{font-size:14px;color:var(--text-light);margin:0}
.case-result{margin-top:14px;display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--brand-600);font-weight:700}
.case-result svg{width:15px;height:15px}

/* ---------- 14. CTA（维度5-A 通栏横幅，渐变呼吸 + 母题水印漂动） ---------- */
.cta{position:relative;overflow:hidden;background:linear-gradient(115deg,var(--brand-deep) 0%,var(--brand-700) 55%,var(--brand) 125%);background-size:200% 100%;animation:gradientpan 14s ease infinite;color:#fff}
.cta .decor{position:absolute;inset:0;overflow:hidden;z-index:0;pointer-events:none}
.cta .decor .wm{position:absolute;right:-30px;bottom:-30px;width:300px;height:300px;color:rgba(255,255,255,.08);animation:drift 15s ease-in-out infinite}
.cta .decor .wm svg{width:100%;height:100%}
.cta-inner{position:relative;z-index:1;text-align:center;padding:76px 0}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);color:#fff;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.85);font-size:16.5px;max-width:640px;margin:0 auto 28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-note{font-size:13px;color:rgba(255,255,255,.68);margin-top:16px}

/* ---------- 15. 页头 page-header（内页深色通栏，文字强制浅色） ---------- */
.page-header{position:relative;overflow:hidden;background:linear-gradient(150deg,var(--brand-deep),#3f2010 55%,var(--brand-700));color:#fff;padding:64px 0 66px;text-align:center}
.page-header::after{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;border:2px solid rgba(216,181,106,.28)}
.page-header h1{color:#fff;font-size:clamp(24px,3.4vw,38px);margin-bottom:10px}
.page-header p{color:rgba(255,255,255,.82);max-width:680px;margin:0 auto}
.page-header .container{position:relative;z-index:1}
.breadcrumb{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px}
.breadcrumb a{color:rgba(255,255,255,.88);text-decoration:none}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{margin:0 8px;opacity:.55}

/* ---------- 16. 列表 / 侧栏 ---------- */
.layout-2col{display:grid;grid-template-columns:1fr 320px;gap:34px;align-items:start}
.list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.side-panel{position:sticky;top:calc(var(--header-h) + 16px);display:flex;flex-direction:column;gap:22px}
.panel{background:var(--surface);border:1px solid var(--gray-light);border-top:3px solid var(--brand);padding:20px 20px 8px}
.panel h3{font-size:17px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--gray-light);display:flex;align-items:center;gap:8px}
.panel h3 svg{width:18px;height:18px;color:var(--brand)}
.panel-list li{margin-bottom:2px}
.panel-list a{display:flex;align-items:center;gap:8px;padding:9px 8px;color:var(--text-soft);font-size:14.5px;border-left:2px solid transparent;transition:.18s}
.panel-list a:hover,.panel-list a.cur{background:var(--surface-2);color:var(--brand-600);border-left-color:var(--brand)}
.panel-list svg{width:14px;height:14px;color:var(--gray);flex-shrink:0}
.side-panel .panel .btn,.side-cta .btn{width:100%;justify-content:center}
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.pager a,.pager span{min-width:40px;height:40px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--surface);color:var(--text-soft);font-size:14.5px}
.pager a:hover{border-color:var(--brand);color:var(--brand-600)}
.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)}
.pager .disabled{opacity:.5;pointer-events:none}
.list-count{font-size:14px;color:var(--text-light);margin-bottom:16px}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-light);background:var(--surface);border:1px dashed var(--border)}
.empty-state svg{width:56px;height:56px;color:var(--gray-light);margin:0 auto 14px}

/* ---------- 17. 文章详情 ---------- */
.article{background:var(--surface);border:1px solid var(--gray-light);border-top:3px solid var(--brand);padding:34px 38px 30px}
.article h1{font-size:clamp(22px,3vw,30px);line-height:1.35;margin-bottom:14px}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;font-size:14px;color:var(--gray);padding-bottom:18px;border-bottom:1px solid var(--gray-light);margin-bottom:24px}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:15px;height:15px}
.detail__content{font-size:16.5px;line-height:1.85;color:var(--text-soft);overflow-wrap:break-word}
.detail__content h2,.detail__content h3{margin:26px 0 12px;color:var(--text)}
.detail__content p{margin-bottom:16px}
.detail__content img,.page-content img{max-width:100%;height:auto}
.detail__content table,.page-content table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse}
.detail__content pre,.page-content pre{overflow-x:auto;background:var(--brand-deep);color:#f2e3d6;padding:16px}
.detail__content blockquote,.page-content blockquote{margin:18px 0;padding:12px 18px;border-left:4px solid var(--brand);background:var(--surface-2);color:var(--text-soft)}
/* 上/下篇 grid 结构铁律 §1.12 */
.detail__nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:32px 0;min-width:0}
.detail__nav-cell{display:block;min-width:0;padding:16px;border:1px solid var(--border);background:var(--surface);transition:border-color .2s,box-shadow .2s}
.detail__nav-cell:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.detail__nav-cell.right{text-align:right}
.detail__nav-cell .k{font-size:12px;color:var(--text-light);margin-bottom:6px}
.detail__nav-cell .t{font-size:14px;color:var(--text);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.tags-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.tags-row a{font-size:13px;color:var(--brand-600);background:var(--surface-2);padding:4px 12px}

/* ---------- 18. 通用单页 / 关于 ---------- */
.page-content{font-size:16.5px;line-height:1.85;color:var(--text-soft)}
.page-content h2{margin:26px 0 12px;font-size:22px;color:var(--text)}
.page-content h3{margin:20px 0 10px;font-size:18px;color:var(--text)}
.page-content p{margin-bottom:16px}
.page-content ul{margin:0 0 16px}
.page-content li{position:relative;padding-left:22px;margin-bottom:8px}
.page-content li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;background:var(--brand);transform:rotate(45deg)}
.prose{background:var(--surface);border:1px solid var(--gray-light);border-top:3px solid var(--brand);padding:34px 38px}
.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:26px 0}
.feature-cards .fc{position:relative;background:var(--surface);border:1px solid var(--gray-light);padding:24px;overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s}
.feature-cards .fc:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.feature-cards .fc svg{width:34px;height:34px;color:var(--brand);margin-bottom:12px}
.feature-cards .fc h3{font-size:17px;margin-bottom:8px}
.feature-cards .fc p{font-size:14px;color:var(--text-light);margin:0}

/* ---------- 19. 联系表单 ---------- */
.contact-wrap{display:grid;grid-template-columns:1.3fr .9fr;gap:30px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--gray-light);border-top:3px solid var(--brand);padding:30px 32px}
.form-row{margin-bottom:18px}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row label{display:block;font-size:14.5px;font-weight:600;color:var(--text-soft);margin-bottom:7px}
.form-row .req{color:var(--brand)}
.form-control{width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);transition:border-color .2s,box-shadow .2s}
.form-control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(189,83,32,.14);background:#fff}
textarea.form-control{min-height:130px;resize:vertical}
.flash{padding:14px 18px;font-size:15px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.flash svg{width:20px;height:20px;flex-shrink:0}
.flash.ok{background:rgba(189,83,32,.08);color:var(--brand-700);border:1px solid rgba(189,83,32,.3)}
.flash.err{background:rgba(62,114,89,.12);color:var(--accent-600);border:1px solid rgba(62,114,89,.35)}
.contact-info .panel{margin-bottom:18px}
.contact-info .ci{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--gray-light)}
.contact-info .ci:last-child{border-bottom:0}
.contact-info .ci svg{width:22px;height:22px;color:var(--brand);flex-shrink:0;margin-top:2px}
.contact-info .ci .k{font-size:13px;color:var(--gray)}
.contact-info .ci .v{font-size:15.5px;color:var(--text);font-weight:600}

/* ---------- 20. sitemap / county / 404 ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.sitemap-col h3{font-size:16px;padding-bottom:10px;margin-bottom:10px;border-bottom:2px solid var(--accent);display:inline-block}
.sitemap-col ul li{margin-bottom:8px}
.sitemap-col a{font-size:14.5px;color:var(--text-soft)}
.sitemap-col a:hover{color:var(--brand-600)}
.notfound{text-align:center;padding:90px 20px}
.notfound .code{font-size:clamp(70px,16vw,150px);font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:2px var(--brand)}
.notfound h1{font-size:26px;margin:10px 0 8px}
.notfound p{color:var(--text-light);margin-bottom:24px}

/* ---------- 21. 页脚（维度8-D 浅色紧凑双行） ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--gray-light);color:var(--text-soft);position:relative}
.footer-antler{display:block;width:100%;height:34px;color:var(--accent);opacity:.4}
.footer-antler svg{width:100%;height:100%;display:block}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px;padding:38px 0 30px}
.footer-brand .brand{color:var(--brand-700);font-size:19px;margin-bottom:12px}
.footer-brand p{font-size:13.5px;color:var(--text-light);line-height:1.75;max-width:320px;margin:0}
.footer-col h4{color:var(--text);font-size:14.5px;margin-bottom:14px;font-weight:700;display:flex;align-items:center;gap:8px}
.footer-col h4::before{content:"";width:14px;height:14px;background:linear-gradient(135deg,var(--brand),var(--accent));transform:rotate(45deg)}
.footer-col ul li{margin-bottom:9px}
.footer-col a{color:var(--text-light);font-size:13.5px;text-decoration:none}
.footer-col a:hover{color:var(--brand-600)}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;color:var(--text-light);font-size:13.5px;margin-bottom:10px}
.footer-contact svg{width:16px;height:16px;color:var(--brand);flex-shrink:0;margin-top:3px}
.footer-bottom{border-top:1px solid var(--gray-light);padding:15px 0;background:var(--surface)}
.footer-bottom .container{display:flex;align-items:center;justify-content:flex-start;flex-wrap:wrap;gap:4px}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-light);text-align:left;width:100%}
.footer-bottom a{display:inline;margin:0;color:inherit;text-decoration:none}
.footer-bottom a:hover{color:var(--brand-600)}
.footer-bottom .sep{margin:0 8px;opacity:.55}

/* ---------- 22. 关键帧 / 动效 ---------- */
@keyframes fadeup{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes drift{0%,100%{transform:translate(0,0)}50%{transform:translate(18px,-16px)}}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.5}50%{transform:scale(1.2);opacity:.9}}
@keyframes pulse{0%{transform:scale(1);opacity:.6}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}
@keyframes gradientpan{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.reveal{opacity:0;transform:translateY(24px)}
.reveal.is-in{animation:fadeup .7s var(--ease) forwards}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- 23. no-js 降级 ---------- */
.no-js .hero-slide{display:none}
.no-js .hero-slide.is-active,.no-js .hero-slide:first-child{display:flex;opacity:1;visibility:visible}
.no-js .hero-slide .hero-eyebrow,.no-js .hero-slide .hero-title,.no-js .hero-slide .hero-sub,.no-js .hero-slide .hero-actions,.no-js .hero-slide .hero-dots{opacity:1;transform:none}
.no-js .hero-arrows,.no-js .hero-dots{display:none}
.no-js .reveal{opacity:1;transform:none}
.no-js .antler-draw path,.no-js .antler-draw polyline{stroke-dashoffset:0}
.no-js .flow-line-fill{width:calc(75% - 60px)}
.no-js .ticker-track{transform:none !important}

/* ---------- 24. 响应式 ---------- */
@media (max-width:1024px){
  :root{--section-py:64px}
  .biz-lead{grid-template-columns:1fr}
  .biz-lead .lead-icon{justify-self:start}
  .biz-subgrid{grid-template-columns:repeat(2,1fr)}
  .news-grid,.ind-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:34px}
  .flow::before,.flow-line-fill{display:none}
  .footer-main{grid-template-columns:1fr 1fr}
  .layout-2col{grid-template-columns:1fr}
  .side-panel{position:static;flex-direction:row;flex-wrap:wrap}
  .side-panel .panel{flex:1;min-width:240px}
}
@media (max-width:900px){
  .contact-wrap,.case-grid{grid-template-columns:1fr}
  .hero-cards-grid{grid-template-columns:1fr}
  .sitemap-grid{grid-template-columns:repeat(2,1fr)}
  .story-grid{grid-template-columns:1fr !important;gap:26px !important}
}
@media (max-width:820px){
  .nav-toggle{display:flex}
  .nav-list{position:fixed;top:0;right:0;height:100%;width:300px;max-width:84vw;flex-direction:column;align-items:stretch;gap:0;background:#fff;box-shadow:var(--shadow-lg);padding:74px 16px 24px;transform:translateX(100%);transition:transform .32s var(--ease);overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none;z-index:1150}
  .nav-list::-webkit-scrollbar{display:none}
  .nav-list.open{transform:none}
  .nav-item{border-bottom:1px solid var(--gray-light)}
  .nav-link{padding:14px 6px;font-size:16px;color:var(--text-soft);border-bottom:0}
  .nav-link:hover{color:var(--brand-600);border-bottom:0}
  .nav-item.is-active>.nav-link{border-bottom:0;color:var(--brand-600)}
  .nav-toggle{color:#fff;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.06)}
  .has-dropdown>.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 10px 14px;min-width:0;display:none;background:transparent;border-top:0}
  .has-dropdown.open .dropdown{display:block}
  .has-dropdown.open .caret{transform:rotate(180deg)}
  .list-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  :root{--section-py:52px}
  .biz-subgrid{grid-template-columns:1fr}
  .news-grid,.ind-grid,.flow,.feature-cards{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr}
  .sitemap-grid{grid-template-columns:1fr}
  .form-row.two{grid-template-columns:1fr}
  .article,.prose,.form-card{padding:22px 18px}
  .hero-banner{padding-top:calc(var(--header-h) + 34px)}
  .hero-arrow{display:none}
  .biz-lead{padding:28px 22px}
}

/* ---------- 25. 无障碍：尊重减少动态偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .hero-slide .hero-eyebrow,.hero-slide .hero-title,.hero-slide .hero-sub,.hero-slide .hero-actions,.hero-slide .hero-dots{opacity:1;transform:none}
  .antler-draw path,.antler-draw polyline{stroke-dashoffset:0}
  .flow-line-fill{width:calc(75% - 60px)}
  html{scroll-behavior:auto}
}

/* ============================================================
   悬浮客服 zfkf（§1.7 统一标准组件，不随主题变）
   ============================================================ */
.zfkf-float{position:fixed;right:20px;bottom:120px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.zfkf-item{position:relative;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.18);transition:all .25s;cursor:pointer}
.zfkf-item:hover{transform:scale(1.08);color:#fff}
.zfkf-phone{background:#2563eb}
.zfkf-wechat{background:#07c160}
.zfkf-consult{background:#f59e0b}
.zfkf-top{background:#334155}
.zfkf-tip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;background:rgba(0,0,0,.78);color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:10001}
.zfkf-item:hover .zfkf-tip{opacity:1}
.zfkf-wechat-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:10000;display:none;align-items:center;justify-content:center}
.zfkf-wechat-mask.zfkf-show{display:flex}
.zfkf-wechat-box{background:#fff;border-radius:12px;padding:24px;text-align:center;position:relative;max-width:80vw}
.zfkf-wechat-box img{width:180px;height:180px;object-fit:contain;border:1px solid #eee;border-radius:8px}
.zfkf-wechat-noimg{width:180px;height:80px;display:flex;align-items:center;justify-content:center;background:#f6f7f9;border-radius:8px;font-size:16px;color:#07c160;font-weight:600}
.zfkf-wechat-box p{margin:12px 0 0;font-size:14px;color:#333}
.zfkf-wechat-close{position:absolute;top:8px;right:12px;font-size:22px;color:#666;cursor:pointer;line-height:1}
@media (max-width:768px){.zfkf-float{right:10px;bottom:100px}.zfkf-item{width:42px;height:42px}.zfkf-tip{display:none}}

/* ===== tz-rich-text typography (auto-appended) ===== */
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:first-child{margin-top:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:last-child{margin-bottom:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) p{margin:0 0 1.05em;line-height:1.9}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{margin:1.6em 0 .7em;line-height:1.4;font-weight:700}
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