/* ============================================================
   晋城 · 铁花  jincheng_design_spark
   千锤百炼 · 化铁为花 —— 司徒小镇千年铁花 / 太行屋脊 / 泽州古堡
   设计系统：CSS 变量 + 铁花星芒母题（放射爆散）+ 6 种动效 + 无障碍降级
   ============================================================ */

/* ---------- 1. Design Tokens ---------- */
:root {
  /* 铁与火：铁墨（夜空/铁器） + 熔金（铁水） + 铁锈余烬 + 冷钢 */
  --iron: #12161f;           /* 铁墨（主色/导航/hero/页脚深色） */
  --iron-deep: #0a0d13;      /* 深墨（最深层） */
  --iron-mid: #1e242f;       /* 铁墨中阶（渐变过渡） */
  --gold: #f5b342;           /* 熔金（主 CTA/高亮/星芒） */
  --gold-deep: #e08a2e;      /* 熔金深（hover/渐变） */
  --rust: #c25a33;           /* 铁锈红（点缀/余烬） */
  --rust-deep: #a84626;      /* 铁锈深（承载白字） */
  --steel: #6e8ca0;          /* 冷钢青灰（图标/边框/次要） */
  --steel-deep: #56717f;     /* 冷钢深 */

  --bg: #f2f3f5;             /* 冷灰白（页面底） */
  --surface: #ffffff;        /* 卡片表面 */
  --surface-soft: #f8f9fa;   /* 次级表面 */
  --line: #e2e5e9;           /* 描边 */
  --line-soft: #edeff2;      /* 更浅描边 */

  --text: #1b2028;           /* 主文字 */
  --text-soft: #5b6570;      /* 次级文字 */
  --text-faint: #8b939c;     /* 弱化文字 */
  --on-dark: rgba(255,255,255,.92);
  --on-dark-soft: rgba(255,255,255,.7);
  --on-dark-faint: rgba(255,255,255,.48);

  --font: "PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num: "DIN Alternate","Bahnschrift","Arial Narrow",var(--font);

  --radius: 12px;
  --radius-sm: 8px;
  --container: 1200px;

  --shadow-sm: 0 1px 3px rgba(10,13,19,.06);
  --shadow-md: 0 10px 28px rgba(10,13,19,.10);
  --shadow-lg: 0 22px 52px rgba(10,13,19,.16);
  --shadow-gold: 0 10px 26px rgba(245,179,66,.36);

  --t-fast: .18s ease;
  --t-norm: .34s cubic-bezier(.22,.61,.36,1);
  --t-slow: .6s cubic-bezier(.22,.61,.36,1);

  /* 铁花星芒纹理（核心母题：放射爆散） */
  --spark-lines: repeating-conic-gradient(from 0deg at 50% 50%,
      rgba(245,179,66,.55) 0deg 1.1deg, transparent 1.1deg 15deg);
  /* 铁砧斜纹（次级纹理） */
  --anvil-grad: repeating-linear-gradient(135deg, rgba(18,22,31,.05) 0 1px, transparent 1px 12px);
}

/* ---------- 2. Reset / 基础 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--iron);text-decoration:none;transition:color var(--t-fast)}
a:hover{color:var(--rust-deep)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:1rem}
svg{display:inline-block;vertical-align:middle}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.site-main{display:block}

/* ---------- 3. 排版与区块 ---------- */
.section{padding:88px 0;position:relative}
.section--tint{background:var(--surface-soft)}
.section--deep{background:var(--iron-deep);color:var(--on-dark)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:46px}
.section__head--center{flex-direction:column;align-items:center;text-align:center}
.section__kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.24em;color:var(--rust-deep);margin-bottom:10px;
}
.section__kicker::before{
  content:"";width:18px;height:18px;flex-shrink:0;
  background:var(--spark-lines);
  -webkit-mask-image:radial-gradient(circle,#000 20%,transparent 68%);
  mask-image:radial-gradient(circle,#000 20%,transparent 68%);
}
.section__title{font-size:34px;line-height:1.25;font-weight:700;color:var(--iron);letter-spacing:.02em}
.section--deep .section__title{color:#fff}
.section__sub{max-width:560px;color:var(--text-soft);font-size:15px;margin-top:12px}
.section--deep .section__sub{color:var(--on-dark-soft)}
.section__more{
  display:inline-flex;align-items:center;gap:8px;flex-shrink:0;
  font-size:14px;font-weight:600;color:var(--iron);
  border-bottom:1.5px solid var(--line);padding-bottom:3px;
}
.section__more:hover{border-bottom-color:var(--gold-deep);color:var(--rust-deep)}
.section__more .arr{transition:transform var(--t-fast)}
.section__more:hover .arr{transform:translateX(4px)}

/* ---------- 4. 图形母题：铁花星芒 ---------- */
/* 放射爆散纹理（铁花） */
.spark-burst{
  position:absolute;pointer-events:none;
  background:var(--spark-lines);
  -webkit-mask-image:radial-gradient(circle,#000 6%,rgba(0,0,0,.7) 34%,transparent 70%);
  mask-image:radial-gradient(circle,#000 6%,rgba(0,0,0,.7) 34%,transparent 70%);
}
/* 星芒小图标（中心点 + 放射线） */
.spark-mark{
  position:relative;flex-shrink:0;display:inline-block;
  width:20px;height:20px;
}
.spark-mark::before{
  content:"";position:absolute;inset:0;
  background:var(--spark-lines);
  -webkit-mask-image:radial-gradient(circle,#000 14%,transparent 66%);
  mask-image:radial-gradient(circle,#000 14%,transparent 66%);
}
.spark-mark::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:5px;height:5px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 8px rgba(245,179,66,.8);
}
/* 余烬星点（铁花飞溅） */
.ember{
  position:absolute;border-radius:50%;background:var(--gold);
  opacity:0;pointer-events:none;
  animation:emberFlicker 4s ease-in-out infinite;
}
@keyframes emberFlicker{
  0%,100%{opacity:0;transform:scale(.4)}
  40%{opacity:.9;transform:scale(1)}
  70%{opacity:.35;transform:scale(.7)}
}
/* 卡片角标星芒 */
.card-spark{position:relative;overflow:hidden}
.card-spark::after{
  content:"";position:absolute;right:-46px;top:-46px;
  width:130px;height:130px;
  background:var(--spark-lines);opacity:.5;
  -webkit-mask-image:radial-gradient(circle,#000 8%,transparent 62%);
  mask-image:radial-gradient(circle,#000 8%,transparent 62%);
  pointer-events:none;transition:transform var(--t-slow),opacity var(--t-fast);
}
.card-spark:hover::after{transform:scale(1.14) rotate(18deg);opacity:.85}

/* ---------- 5. 按钮 ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 30px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.04em;line-height:1.4;
  overflow:hidden;isolation:isolate;
  transition:transform var(--t-fast),box-shadow var(--t-fast),background var(--t-fast),color var(--t-fast);
}
.btn .btn__arr{transition:transform var(--t-norm)}
.btn:hover .btn__arr{transform:translateX(4px)}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

.btn--shine::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.6) 50%,transparent 70%);
  transform:translateX(-130%) skewX(-18deg);transition:transform .65s ease;
}
.btn--shine:hover::before{transform:translateX(130%) skewX(-18deg)}

/* 熔金主按钮（铁水发光质感） */
.btn--gold{
  background:linear-gradient(120deg,var(--gold),var(--gold-deep));
  color:#2a1a06;box-shadow:var(--shadow-gold);
}
.btn--gold:hover{color:#1a1004;transform:translateY(-2px);box-shadow:0 14px 32px rgba(245,179,66,.48)}
.btn--solid{background:var(--iron);color:#fff;box-shadow:0 10px 26px rgba(18,22,31,.3)}
.btn--solid:hover{background:var(--iron-mid);color:#fff;transform:translateY(-2px)}
.btn--rust{background:var(--rust-deep);color:#fff}
.btn--rust:hover{background:var(--rust);color:#fff;transform:translateY(-2px)}
.btn--steel{background:var(--steel);color:#fff}
.btn--steel:hover{background:var(--steel-deep);color:#fff;transform:translateY(-2px)}
.btn--ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn--ghost:hover{border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn--outline{background:transparent;color:var(--iron);border:1.5px solid var(--iron)}
.btn--outline:hover{background:var(--iron);color:#fff;transform:translateY(-2px)}
.btn--lg{padding:16px 38px;font-size:16px}
.btn--block{width:100%}

/* ---------- 6. 页头（铁墨深色 + 熔金下划线，第三种导航风格） ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(18,22,31,.95);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow var(--t-norm);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold) 30%,var(--rust) 60%,transparent);
  opacity:.6;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(0,0,0,.34)}
.header__inner{display:flex;align-items:center;gap:16px;height:74px}
.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}

.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;flex-shrink:0;color:var(--gold);
  position:relative;
}
.brand__mark::before{
  content:"";position:absolute;inset:0;
  background:var(--spark-lines);
  -webkit-mask-image:radial-gradient(circle,#000 10%,transparent 60%);
  mask-image:radial-gradient(circle,#000 10%,transparent 60%);
  transition:transform var(--t-slow);
}
.brand:hover .brand__mark::before{transform:rotate(30deg) scale(1.06)}
.brand__name{font-size:20px;font-weight:700;letter-spacing:.04em;color:#fff;white-space:nowrap}
.brand--footer .brand__name{color:#fff}

.main-nav{flex:1;display:flex;justify-content:center}
.nav-list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 11px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--on-dark-soft);
  text-decoration:none;white-space:nowrap;
  transition:color var(--t-fast),background var(--t-fast);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:var(--gold)}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:1px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--rust));border-radius:2px;
}
.nav-caret{display:inline-flex;align-items:center;color:var(--on-dark-faint);margin-left:-8px;cursor:default}
.nav-caret .caret-icon{transition:transform var(--t-fast)}
.nav-item:hover .nav-caret .caret-icon,.nav-item:focus-within .nav-caret .caret-icon{transform:rotate(180deg)}

.dropdown{
  position:absolute;top:calc(100% + 8px);left:50%;
  min-width:196px;padding-top:6px;
  opacity:0;visibility:hidden;transform:translateX(-50%) translateY(10px);
  transition:opacity var(--t-fast),transform var(--t-fast),visibility var(--t-fast);
  z-index:50;
}
.nav-item:hover>.dropdown,.nav-item:focus-within>.dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown__panel{background:#fff;border-radius:12px;padding:8px;box-shadow:var(--shadow-lg);border:1px solid var(--line-soft)}
.dropdown__link{
  display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:8px;
  font-size:14px;color:var(--text);
  transition:background var(--t-fast),color var(--t-fast),padding-left var(--t-fast);
}
.dropdown__link:hover{background:var(--surface-soft);color:var(--rust-deep);padding-left:18px}
.dropdown__dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0;box-shadow:0 0 6px rgba(245,179,66,.7)}

.header__actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.header__tel{
  display:inline-flex;align-items:center;justify-content:center;gap:0;
  width:38px;height:38px;padding:0;flex:none;
  color:var(--gold);font-weight:600;font-size:15px;
  border-radius:50%;border:1.5px solid rgba(245,179,66,.35);
  transition:background var(--t-fast),border-color var(--t-fast),color var(--t-fast);
}
.header__tel:hover{background:var(--gold);border-color:var(--gold);color:#2a1a06}
.header__tel-icon{color:var(--gold)}
.header__tel:hover .header__tel-icon{color:#2a1a06}

.nav-toggle{display:none;flex-direction:column;gap:5px;padding:10px;border-radius:8px}
.nav-toggle__bar{width:22px;height:2px;background:#fff;border-radius:2px;transition:transform var(--t-norm),opacity var(--t-norm)}
body.menu-open .nav-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .nav-toggle__bar:nth-child(2){opacity:0}
body.menu-open .nav-toggle__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mask{display:none}

/* ---------- 7. Hero（A 变体：全屏渐变 + 居中版式 + 铁花星芒） ---------- */
.hero{
  position:relative;min-height:680px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;text-align:center;
  background:
    radial-gradient(760px 460px at 50% 26%, rgba(245,179,66,.22), transparent 62%),
    radial-gradient(680px 420px at 14% 88%, rgba(194,90,51,.20), transparent 60%),
    radial-gradient(900px 620px at 86% 78%, rgba(110,140,160,.14), transparent 66%),
    linear-gradient(165deg,var(--iron-deep) 0%,var(--iron) 55%,var(--iron-mid) 100%);
}
.hero__anvil{position:absolute;inset:0;z-index:1;pointer-events:none;background:var(--anvil-grad);opacity:.7}

/* 铁花星芒（主背景，缓慢旋转） */
.hero__spark{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:1080px;height:1080px;z-index:1;pointer-events:none;
  background:var(--spark-lines);
  -webkit-mask-image:radial-gradient(circle,#000 4%,rgba(0,0,0,.55) 26%,transparent 58%);
  mask-image:radial-gradient(circle,#000 4%,rgba(0,0,0,.55) 26%,transparent 58%);
  opacity:.42;
  animation:sparkSpin 90s linear infinite;
}
@keyframes sparkSpin{from{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}
/* 第二层星芒（反向慢转，制造飞溅层次） */
.hero__spark--alt{
  width:620px;height:620px;top:56%;
  animation:sparkSpinRev 58s linear infinite;opacity:.3;
}
@keyframes sparkSpinRev{
  from{transform:translate(-50%,-50%) rotate(0) scaleX(-1)}
  to{transform:translate(-50%,-50%) rotate(-360deg) scaleX(-1)}
}
/* 铁花核心光点 */
.hero__core{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:14px;height:14px;border-radius:50%;z-index:1;
  background:radial-gradient(circle,#fff,var(--gold) 45%,rgba(245,179,66,0) 72%);
  animation:corePulse 3.6s ease-in-out infinite;
}
@keyframes corePulse{0%,100%{opacity:.6;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.5)}}

/* 余烬粒子层 */
.hero__embers{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero__inner{position:relative;z-index:3;width:100%;padding:64px 0}

.hero__slides{ display:grid;position:relative;min-height:230px;max-width:820px;margin:0 auto}
.hero__slide{ grid-area:1/1;opacity:0;visibility:hidden;transition:opacity .75s ease,visibility .75s ease}
.hero__slide.is-active{opacity:1;visibility:visible;position:relative}
.hero__slide.is-active .hero__kicker,
.hero__slide.is-active .hero__title,
.hero__slide.is-active .hero__lead,
.hero__slide.is-active .hero__actions{animation:heroRise .75s var(--t-norm) both}
.hero__slide.is-active .hero__title{animation-delay:.08s}
.hero__slide.is-active .hero__lead{animation-delay:.16s}
.hero__slide.is-active .hero__actions{animation-delay:.26s}
@keyframes heroRise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

.hero__kicker{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  color:var(--gold);font-size:13px;font-weight:600;letter-spacing:.28em;margin-bottom:20px;
}
.hero__title{color:#fff;font-size:46px;line-height:1.24;font-weight:700;letter-spacing:.02em;text-shadow:0 2px 24px rgba(0,0,0,.4)}
.hero__title em{font-style:normal;color:var(--gold);text-shadow:0 0 30px rgba(245,179,66,.4)}
.hero__lead{margin:18px auto 0;color:var(--on-dark-soft);font-size:16.5px;max-width:620px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.hero__dots{position:absolute;left:50%;bottom:-30px;transform:translateX(-50%);display:flex;gap:8px;z-index:4}
.hero__dot{width:24px;height:4px;border-radius:3px;background:rgba(255,255,255,.28);transition:background var(--t-fast),width var(--t-norm)}
.hero__dot.is-active{background:var(--gold);width:36px;box-shadow:0 0 10px rgba(245,179,66,.55)}
/* 滚动指示（细线流光） */
.hero__scroll{
  position:absolute;left:50%;bottom:34px;transform:translateX(-50%);
  width:1px;height:46px;z-index:4;background:rgba(255,255,255,.2);overflow:hidden;
}
.hero__scroll::after{
  content:"";position:absolute;left:0;top:-46px;width:1px;height:46px;
  background:linear-gradient(180deg,transparent,var(--gold));
  animation:scrollLine 2.4s ease-in-out infinite;
}
@keyframes scrollLine{0%{top:-46px}60%,100%{top:46px}}

/* ---------- 8. 信任条（C 变体：数字 + 图标组合） ---------- */
.trust-band{position:relative;z-index:4;margin-top:-44px}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius);box-shadow:var(--shadow-md);
  padding:30px 20px;
}
.trust-item{
  display:flex;align-items:center;gap:14px;justify-content:center;
  padding:0 12px;border-right:1px solid var(--line-soft);
  transition:transform var(--t-norm);
}
.trust-item:last-child{border-right:0}
.trust-item:hover{transform:translateY(-4px)}
.trust-item__icon{
  width:46px;height:46px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(245,179,66,.18),rgba(194,90,51,.1));
  color:var(--rust-deep);
  transition:transform var(--t-norm),background var(--t-fast);
}
.trust-item:hover .trust-item__icon{transform:rotate(-10deg) scale(1.08);background:linear-gradient(140deg,var(--gold),var(--gold-deep));color:#2a1a06}
.trust-item__body{text-align:left}
.trust-item__num{
  font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1.1;
  color:var(--iron);font-variant-numeric:tabular-nums;display:inline-block;
  transition:transform var(--t-norm),color var(--t-norm);
}
.trust-item:hover .trust-item__num{transform:translateY(-3px);color:var(--rust-deep)}
.trust-item__num .suffix{color:var(--gold-deep);font-size:22px}
.trust-item__label{font-size:13px;color:var(--text-soft);letter-spacing:.06em}

/* ---------- 9. 业务卡（C 变体：横排数字卡 01-04） ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.biz-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius);padding:32px 24px 30px;
  background:var(--surface);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform var(--t-norm),box-shadow var(--t-norm),border-color var(--t-fast);
}
.biz-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--gold)}
/* 超大数字（横排数字卡的核心） */
.biz-card__num{
  font-family:var(--font-num);font-size:64px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.6px var(--line);
  letter-spacing:-.02em;margin-bottom:18px;
  transition:color var(--t-norm),-webkit-text-stroke-color var(--t-norm),transform var(--t-norm);
}
.biz-card:hover .biz-card__num{
  color:var(--gold);-webkit-text-stroke-color:transparent;
  transform:translateY(-2px);
  text-shadow:0 0 26px rgba(245,179,66,.35);
}
.biz-card__icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:14px;margin-bottom:18px;
  background:var(--surface-soft);color:var(--steel-deep);
  transition:transform var(--t-norm),background var(--t-fast),color var(--t-fast);
}
.biz-card:hover .biz-card__icon{transform:scale(1.12) rotate(-8deg);background:var(--iron);color:var(--gold)}
.biz-card__title{font-size:19px;font-weight:700;color:var(--iron);margin-bottom:10px}
.biz-card__desc{font-size:14px;color:var(--text-soft);line-height:1.75;flex:1}
.biz-card__more{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-size:14px;font-weight:600;color:var(--rust-deep)}
.biz-card__more .arr{transition:transform var(--t-norm)}
.biz-card:hover .biz-card__more .arr{transform:translateX(5px)}
/* 顶部熔金滑入线 */
.biz-card__bar{
  position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--gold),var(--rust));
  transform:scaleX(0);transform-origin:left;transition:transform var(--t-norm);
}
.biz-card:hover .biz-card__bar{transform:scaleX(1)}

/* ---------- 10. 流程（D 变体：2×2 象限卡） ---------- */
.quad-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.quad-card{
  position:relative;overflow:hidden;
  padding:34px 32px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line-soft);box-shadow:var(--shadow-sm);
  transition:transform var(--t-norm),box-shadow var(--t-norm);
}
.quad-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
/* 象限星芒水印 */
.quad-card__spark{
  position:absolute;right:-70px;bottom:-70px;width:220px;height:220px;
  background:var(--spark-lines);opacity:.4;
  -webkit-mask-image:radial-gradient(circle,#000 6%,transparent 58%);
  mask-image:radial-gradient(circle,#000 6%,transparent 58%);
  pointer-events:none;transition:transform var(--t-slow);
}
.quad-card:hover .quad-card__spark{transform:scale(1.16) rotate(22deg)}
.quad-card__head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.quad-card__tag{
  width:54px;height:54px;border-radius:14px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--iron),var(--iron-mid));color:var(--gold);
  font-family:var(--font-num);font-size:18px;font-weight:700;
  transition:transform var(--t-norm);
}
.quad-card:hover .quad-card__tag{transform:rotate(-10deg) scale(1.06)}
.quad-card__title{font-size:20px;font-weight:700;color:var(--iron)}
.quad-card__step{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--gold-deep);display:block;margin-bottom:4px}
.quad-card__desc{font-size:14px;color:var(--text-soft);line-height:1.8;position:relative}
.quad-card__points{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;position:relative}
.quad-card__point{
  font-size:12.5px;color:var(--steel-deep);
  background:rgba(110,140,160,.1);border:1px solid rgba(110,140,160,.22);
  padding:3px 12px;border-radius:20px;transition:all var(--t-fast);
}
.quad-card__point:hover{background:var(--steel);color:#fff;border-color:var(--steel)}

/* ---------- 11. 资讯（D 变体：双栏混合 = 置顶大卡 + 小卡列表） ---------- */
.news-mix{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
/* 置顶大卡 */
.news-feature{
  display:block;position:relative;overflow:hidden;
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  background:linear-gradient(160deg,var(--iron-deep),var(--iron) 60%,var(--iron-mid));
  color:#fff;transition:transform var(--t-norm),box-shadow var(--t-norm);
}
.news-feature:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-feature__top{
  position:relative;height:210px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.news-feature__top::before{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:340px;height:340px;
  background:var(--spark-lines);opacity:.5;
  -webkit-mask-image:radial-gradient(circle,#000 4%,transparent 56%);
  mask-image:radial-gradient(circle,#000 4%,transparent 56%);
  animation:sparkSpin 74s linear infinite;
}
.news-feature__core{
  position:relative;z-index:1;width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle,#fff,var(--gold) 45%,rgba(245,179,66,0) 72%);
  animation:corePulse 3.4s ease-in-out infinite;
}
.news-feature__body{padding:26px 30px 30px}
.news-feature__cat{
  display:inline-block;font-size:12px;font-weight:600;color:#2a1a06;
  background:linear-gradient(120deg,var(--gold),var(--gold-deep));
  padding:3px 12px;border-radius:20px;margin-bottom:14px;
}
.news-feature__title{font-size:23px;font-weight:700;line-height:1.4;margin-bottom:10px;color:#fff}
.news-feature:hover .news-feature__title{color:var(--gold)}
.news-feature__desc{font-size:14.5px;color:var(--on-dark-soft);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-feature__meta{display:flex;align-items:center;gap:14px;margin-top:18px;font-size:12.5px;color:var(--on-dark-faint)}
/* 右侧小卡列表 */
.news-mini{display:flex;flex-direction:column;gap:12px}
.news-mini__item{
  display:flex;align-items:center;gap:14px;
  padding:14px 18px;border-radius:10px;
  background:var(--surface);border:1px solid var(--line-soft);
  transition:transform var(--t-norm),border-color var(--t-fast),box-shadow var(--t-fast);
}
.news-mini__item:hover{transform:translateX(4px);border-color:var(--gold);box-shadow:var(--shadow-sm)}
.news-mini__date{
  flex-shrink:0;text-align:center;min-width:44px;
  font-family:var(--font-num);
}
.news-mini__date b{display:block;font-size:20px;font-weight:700;color:var(--iron);line-height:1.1}
.news-mini__date span{font-size:11px;color:var(--text-faint)}
.news-mini__body{flex:1;min-width:0}
.news-mini__title{
  display:block;font-size:14.5px;font-weight:600;color:var(--text);line-height:1.5;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--t-fast);
}
.news-mini__item:hover .news-mini__title{color:var(--rust-deep)}
.news-mini__cat{display:block;font-size:12px;color:var(--text-faint);margin-top:2px}
.news-mini__arr{flex-shrink:0;color:var(--line);transition:color var(--t-fast),transform var(--t-norm)}
.news-mini__item:hover .news-mini__arr{color:var(--gold-deep);transform:translateX(3px)}

/* ---------- 12. CTA 组（5 处，C 数字背书式为主） ---------- */
/* 12.1 数字背书（主形态） */
.cta-endorse{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:linear-gradient(125deg,var(--iron-deep),var(--iron) 60%,var(--iron-mid));
  padding:52px 56px;color:var(--on-dark);
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.cta-endorse::before{
  content:"";position:absolute;right:-90px;top:50%;transform:translateY(-50%);
  width:340px;height:340px;background:var(--spark-lines);opacity:.4;
  -webkit-mask-image:radial-gradient(circle,#000 4%,transparent 58%);
  mask-image:radial-gradient(circle,#000 4%,transparent 58%);
  pointer-events:none;animation:sparkSpin 90s linear infinite;
}
.cta-endorse__title{font-size:27px;font-weight:700;color:#fff;position:relative}
.cta-endorse__sub{font-size:14.5px;color:var(--on-dark-soft);margin-top:10px;position:relative;max-width:520px}
.cta-endorse .btn{position:relative;margin-top:24px}
.cta-endorse__nums{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.cta-endorse__num{
  text-align:center;padding:18px 10px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  transition:transform var(--t-norm),background var(--t-fast),border-color var(--t-fast);
}
.cta-endorse__num:hover{transform:translateY(-5px);background:rgba(255,255,255,.13);border-color:rgba(245,179,66,.5)}
.cta-endorse__num .n{font-family:var(--font-num);font-size:32px;font-weight:700;color:var(--gold);display:block;line-height:1.2}
.cta-endorse__num .l{font-size:12.5px;color:var(--on-dark-soft);letter-spacing:.08em}

/* 12.2 通栏横幅 */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:linear-gradient(120deg,var(--rust-deep),var(--rust) 55%,#d4764b);
  padding:48px 52px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-banner::before{
  content:"";position:absolute;left:-80px;bottom:-80px;width:280px;height:280px;
  background:var(--spark-lines);opacity:.32;
  -webkit-mask-image:radial-gradient(circle,#000 4%,transparent 58%);
  mask-image:radial-gradient(circle,#000 4%,transparent 58%);
  pointer-events:none;
}
.cta-banner__title{font-size:25px;font-weight:700;position:relative}
.cta-banner__sub{font-size:14.5px;color:rgba(255,255,255,.85);margin-top:8px;position:relative;max-width:600px}
.cta-banner .btn{position:relative;flex-shrink:0}

/* 12.3 卡片组 CTA */
.cta-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cta-card{
  position:relative;overflow:hidden;padding:30px 28px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line-soft);box-shadow:var(--shadow-sm);
  transition:transform var(--t-norm),box-shadow var(--t-norm),border-color var(--t-fast);
}
.cta-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--gold)}
.cta-card__icon{
  width:52px;height:52px;border-radius:14px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(110,140,160,.12);color:var(--steel-deep);
  transition:transform var(--t-norm),background var(--t-fast),color var(--t-fast);
}
.cta-card:hover .cta-card__icon{transform:rotate(-12deg) scale(1.08);background:var(--iron);color:var(--gold)}
.cta-card__title{font-size:17px;font-weight:700;color:var(--iron);margin-bottom:6px}
.cta-card__desc{font-size:13.5px;color:var(--text-soft);line-height:1.7;margin-bottom:16px}
.cta-card__link{font-size:14px;font-weight:600;color:var(--rust-deep);display:inline-flex;gap:6px}
.cta-card__link .arr{transition:transform var(--t-norm)}
.cta-card:hover .cta-card__link .arr{transform:translateX(4px)}

/* 12.4 底部双按钮行 */
.cta-dual{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:38px 44px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line-soft);box-shadow:var(--shadow-sm);
}
.cta-dual__text h3{font-size:22px;font-weight:700;color:var(--iron)}
.cta-dual__text p{font-size:14px;color:var(--text-soft);margin-top:6px}
.cta-dual__btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 13. 内页页头（铁墨深色 + 星芒，第三种页头风格） ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(620px 320px at 88% 10%, rgba(245,179,66,.18), transparent 62%),
    radial-gradient(560px 300px at 6% 96%, rgba(194,90,51,.16), transparent 60%),
    linear-gradient(150deg,var(--iron-deep),var(--iron) 62%,var(--iron-mid));
  padding:58px 0 54px;color:#fff;
}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:50%;transform:translateY(-50%);
  width:420px;height:420px;background:var(--spark-lines);opacity:.35;
  -webkit-mask-image:radial-gradient(circle,#000 4%,transparent 56%);
  mask-image:radial-gradient(circle,#000 4%,transparent 56%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold) 35%,var(--rust) 65%,transparent);opacity:.75;
}
.page-hero__inner{position:relative;z-index:2}
.page-hero__title{font-size:34px;font-weight:700;color:#fff;letter-spacing:.02em}
.page-hero__sub{font-size:15px;color:var(--on-dark-soft);margin-top:10px;max-width:640px}
/* 深色区面包屑：显式浅色（对比度修复） */
.page-hero .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:16px;font-size:14px;color:rgba(255,255,255,.68)}
.page-hero .breadcrumb a{color:rgba(255,255,255,.8);text-decoration:none;transition:color var(--t-fast)}
.page-hero .breadcrumb a:hover{color:var(--gold)}
.page-hero .breadcrumb span.sep{color:rgba(255,255,255,.45);margin:0 2px}
.page-hero .breadcrumb .current{color:#fff;font-weight:600}

/* ---------- 14. 通用区块 / 卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:26px;transition:transform var(--t-norm),box-shadow var(--t-norm);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}

.svc-card{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform var(--t-norm),box-shadow var(--t-norm);
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.svc-card__icon{
  width:58px;height:58px;border-radius:14px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(110,140,160,.12);color:var(--steel-deep);
  transition:transform var(--t-norm),background var(--t-fast),color var(--t-fast);
}
.svc-card:hover .svc-card__icon{transform:rotate(-10deg) scale(1.08);background:var(--iron);color:var(--gold)}
.svc-card__title{font-size:20px;font-weight:700;color:var(--iron);margin-bottom:10px}
.svc-card__desc{font-size:14px;color:var(--text-soft);line-height:1.75;margin-bottom:18px}
.svc-card__chips{display:flex;flex-wrap:wrap;gap:8px}
.svc-chip{
  font-size:12.5px;color:var(--steel-deep);
  background:rgba(110,140,160,.09);border:1px solid rgba(110,140,160,.2);
  padding:4px 12px;border-radius:20px;transition:all var(--t-fast);
}
.svc-chip:hover{background:var(--steel);color:#fff;border-color:var(--steel)}

.proc-card{
  padding:30px 28px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line-soft);box-shadow:var(--shadow-sm);
  position:relative;overflow:hidden;transition:transform var(--t-norm),box-shadow var(--t-norm);
}
.proc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.proc-card__spark{
  position:absolute;right:-50px;bottom:-50px;width:170px;height:170px;
  background:var(--spark-lines);opacity:.38;
  -webkit-mask-image:radial-gradient(circle,#000 6%,transparent 58%);
  mask-image:radial-gradient(circle,#000 6%,transparent 58%);
  pointer-events:none;transition:transform var(--t-slow);
}
.proc-card:hover .proc-card__spark{transform:scale(1.16) rotate(-20deg)}
.proc-card__step{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--gold-deep);letter-spacing:.14em}
.proc-card__title{font-size:19px;font-weight:700;color:var(--iron);margin:12px 0 8px}
.proc-card__desc{font-size:14px;color:var(--text-soft);line-height:1.75}

/* ---------- 15. 列表页 / 详情页 ---------- */
.page-body-inner{padding:52px 0 78px}
.layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}

.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.article-card{
  display:block;background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);
  position:relative;overflow:hidden;transition:transform var(--t-norm),box-shadow var(--t-norm);
}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.article-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--gold),var(--rust));
  transform:scaleY(0);transform-origin:top;transition:transform var(--t-norm);
}
.article-card:hover::before{transform:scaleY(1)}
.article-card__meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--text-faint);margin-bottom:10px}
.article-card__cat{color:var(--rust-deep);font-weight:600}
.article-card__title{font-size:17px;font-weight:700;color:var(--iron);line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-card:hover .article-card__title{color:var(--rust-deep)}
.article-card__desc{font-size:13.5px;color:var(--text-soft);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.pagination{display:flex;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.page-link{
  min-width:40px;height:40px;padding:0 12px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--text-soft);background:var(--surface);
  border:1px solid var(--line-soft);transition:all var(--t-fast);
}
.page-link:hover{border-color:var(--gold-deep);color:var(--rust-deep);transform:translateY(-2px)}
.page-link.is-current{background:var(--iron);border-color:var(--iron);color:#fff;font-weight:600}

.sidebar{position:sticky;top:100px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.side-card__title{
  font-size:15px;font-weight:700;color:var(--iron);margin-bottom:14px;
  padding-bottom:10px;border-bottom:2px solid var(--gold);display:flex;align-items:center;gap:8px;
}
.side-nav__link{
  display:flex;justify-content:space-between;align-items:center;
  padding:9px 12px;border-radius:8px;font-size:14px;color:var(--text-soft);transition:all var(--t-fast);
}
.side-nav__link:hover{background:var(--surface-soft);color:var(--rust-deep);padding-left:16px}
.side-nav__link.is-active{background:rgba(245,179,66,.14);color:var(--rust-deep);font-weight:600}
.side-cta{
  background:linear-gradient(150deg,var(--iron-deep),var(--iron));color:var(--on-dark);border:0;
  position:relative;overflow:hidden;
}
.side-cta::after{
  content:"";position:absolute;right:-50px;bottom:-50px;width:170px;height:170px;
  background:var(--spark-lines);opacity:.34;
  -webkit-mask-image:radial-gradient(circle,#000 4%,transparent 56%);
  mask-image:radial-gradient(circle,#000 4%,transparent 56%);
}
.side-cta__title{color:#fff;font-size:17px;font-weight:700;position:relative}
.side-cta__desc{font-size:13px;color:var(--on-dark-soft);margin:8px 0 16px;position:relative}
.side-cta .btn{width:100%;position:relative}

.detail-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);padding:40px 44px;box-shadow:var(--shadow-sm)}
.detail-card__title{font-size:30px;font-weight:700;color:var(--iron);line-height:1.35}
.detail-card__meta{display:flex;flex-wrap:wrap;gap:18px;margin:16px 0 26px;padding-bottom:22px;border-bottom:1px solid var(--line-soft);font-size:13.5px;color:var(--text-faint)}
.detail-card__meta svg{color:var(--steel)}
.detail-card__body{font-size:15.5px;line-height:1.95;color:var(--text)}
.detail-card__body p{margin-bottom:1.1em}
.detail-card__body h2,.detail-card__body h3{color:var(--iron);margin:1.4em 0 .6em}
.detail-card__body img{border-radius:10px;margin:1.2em 0}
.detail-card__body ul,.detail-card__body ol{padding-left:1.4em;margin:1em 0}
.detail-card__body ul{list-style:disc}
.detail-card__body ol{list-style:decimal}

.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.prevnext__link{
  display:block;background:var(--surface-soft);border:1px solid var(--line-soft);border-radius:10px;
  padding:14px 18px;font-size:13.5px;color:var(--text-soft);transition:all var(--t-fast);
}
.prevnext__link:hover{border-color:var(--gold);color:var(--rust-deep)}
.prevnext__link b{display:block;font-size:12px;color:var(--text-faint);font-weight:600;letter-spacing:.1em;margin-bottom:4px}
.prevnext__link--next{text-align:right}

.related-list{margin-top:8px;display:flex;flex-direction:column;gap:10px}
.related-list a{font-size:14px;color:var(--text-soft);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-list a:hover{color:var(--rust-deep)}

/* 案例页 */
.case-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filter-btn{
  padding:8px 20px;border-radius:24px;font-size:14px;
  color:var(--text-soft);background:var(--surface);border:1px solid var(--line);transition:all var(--t-fast);
}
.filter-btn:hover{border-color:var(--gold-deep);color:var(--rust-deep);transform:translateY(-2px)}
.filter-btn.is-active{background:var(--iron);border-color:var(--iron);color:#fff}

.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--line-soft);box-shadow:var(--shadow-sm);
  transition:transform var(--t-norm),box-shadow var(--t-norm);
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-card__thumb{
  position:relative;height:190px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--iron-deep),var(--iron-mid));
}
.case-card__thumb::before{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:250px;height:250px;background:var(--spark-lines);opacity:.5;
  -webkit-mask-image:radial-gradient(circle,#000 4%,transparent 55%);
  mask-image:radial-gradient(circle,#000 4%,transparent 55%);
  transition:transform var(--t-slow);
}
.case-card:hover .case-card__thumb::before{transform:translate(-50%,-50%) scale(1.2) rotate(24deg)}
.case-card__thumb svg{position:relative;z-index:1;width:60px;height:60px;color:var(--gold);transition:transform var(--t-norm)}
.case-card:hover .case-card__thumb svg{transform:scale(1.1) translateY(-3px)}
.case-card__tag{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12px;font-weight:600;color:#2a1a06;
  background:linear-gradient(120deg,var(--gold),var(--gold-deep));padding:3px 12px;border-radius:20px;
}
.case-card__body{padding:20px 22px 22px;display:block}
.case-card__title{display:block;font-size:17px;font-weight:700;color:var(--iron);margin-bottom:6px}
.case-card__desc{font-size:13.5px;color:var(--text-soft);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-card__meta{display:flex;gap:14px;margin-top:12px;font-size:12.5px;color:var(--text-faint)}

.case-detail-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.case-detail-card__cover{
  position:relative;height:250px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--iron-deep),var(--iron-mid));
}
.case-detail-card__cover::before{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:360px;height:360px;background:var(--spark-lines);opacity:.42;
  -webkit-mask-image:radial-gradient(circle,#000 4%,transparent 52%);
  mask-image:radial-gradient(circle,#000 4%,transparent 52%);
}
.case-detail-card__cover svg{position:relative;z-index:1;width:84px;height:84px;color:var(--gold)}
.case-detail-card__body{padding:34px 40px}
.case-info{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0 26px}
.case-info__item{background:var(--surface-soft);border-radius:10px;padding:14px 16px}
.case-info__item b{display:block;font-size:12px;color:var(--text-faint);font-weight:600;letter-spacing:.08em;margin-bottom:4px}
.case-info__item span{font-size:14.5px;color:var(--iron);font-weight:600}
.case-detail-card__content{font-size:15px;line-height:1.9;color:var(--text)}
.case-detail-card__content h3{color:var(--iron);margin:1.4em 0 .6em;font-size:19px}
.case-detail-card__content p{margin-bottom:1em}

/* ---------- 16. 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field--full{grid-column:1/-1}
.form-label{font-size:13.5px;font-weight:600;color:var(--iron)}
.form-input{
  width:100%;padding:12px 15px;border-radius:9px;
  border:1.5px solid var(--line);background:var(--surface);
  font-size:14.5px;color:var(--text);transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.form-input::placeholder{color:var(--text-faint)}
.form-input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,179,66,.16)}
textarea.form-input{min-height:130px;resize:vertical}
.form-tip{font-size:12.5px;color:var(--text-faint)}
.form-ok{
  display:flex;align-items:center;gap:10px;margin-bottom:20px;
  background:rgba(110,140,160,.1);border:1px solid rgba(110,140,160,.35);
  color:var(--steel-deep);border-radius:10px;padding:14px 18px;font-size:14px;
}
.form-err{
  display:flex;align-items:center;gap:10px;margin-bottom:20px;
  background:rgba(168,70,38,.09);border:1px solid rgba(168,70,38,.35);
  color:var(--rust-deep);border-radius:10px;padding:14px 18px;font-size:14px;
}

/* ---------- 17. 搜索 / 标签 / 区县 / 地图 / 404 ---------- */
.search-box{
  display:flex;gap:10px;max-width:640px;margin:0 auto;
  background:var(--surface);border:1.5px solid var(--line);border-radius:12px;padding:6px;
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.search-box:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,179,66,.16)}
.search-box input{flex:1;border:0;outline:none;padding:8px 14px;font-size:15px;background:transparent;color:var(--text)}
.search-box button{padding:10px 26px;border-radius:8px;background:var(--iron);color:#fff;font-size:14px;font-weight:600;transition:background var(--t-fast)}
.search-box button:hover{background:var(--rust-deep)}

.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-pill{
  padding:9px 20px;border-radius:24px;background:var(--surface);
  border:1px solid var(--line);font-size:14px;color:var(--text-soft);transition:all var(--t-fast);
}
.tag-pill:hover{border-color:var(--gold-deep);color:var(--rust-deep);transform:translateY(-2px)}

.county-hero{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:linear-gradient(130deg,var(--iron-deep),var(--iron-mid));
  padding:44px 48px;color:#fff;margin-bottom:40px;
}
.county-hero::after{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;
  background:var(--spark-lines);opacity:.35;
  -webkit-mask-image:radial-gradient(circle,#000 4%,transparent 54%);
  mask-image:radial-gradient(circle,#000 4%,transparent 54%);
}
.county-hero__title{font-size:28px;font-weight:700;position:relative}
.county-hero__sub{font-size:14.5px;color:var(--on-dark-soft);margin-top:10px;position:relative;max-width:640px}
.county-hero .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px;font-size:14px;color:rgba(255,255,255,.68)}
.county-hero .breadcrumb a{color:rgba(255,255,255,.8);text-decoration:none;transition:color var(--t-fast)}
.county-hero .breadcrumb a:hover{color:var(--gold)}
.county-hero .breadcrumb span.sep{color:rgba(255,255,255,.45);margin:0 2px}
.county-hero .breadcrumb .current{color:#fff;font-weight:600}

.sitemap-list{columns:3;gap:40px}
.sitemap-group{break-inside:avoid;margin-bottom:30px}
.sitemap-group__title{
  font-size:15px;font-weight:700;color:var(--iron);
  padding-bottom:8px;margin-bottom:10px;border-bottom:2px solid var(--gold);display:inline-block;
}
.sitemap-group a{display:block;font-size:14px;color:var(--text-soft);padding:5px 0;transition:color var(--t-fast)}
.sitemap-group a:hover{color:var(--rust-deep);padding-left:4px}

.error-wrap{text-align:center;padding:110px 0}
.error-code{
  font-family:var(--font-num);font-size:120px;font-weight:700;line-height:1;
  background:linear-gradient(120deg,var(--iron),var(--gold) 55%,var(--rust));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.error-title{font-size:22px;font-weight:700;color:var(--iron);margin:14px 0 8px}
.error-desc{color:var(--text-soft);font-size:15px;margin-bottom:30px}

.empty-state{text-align:center;padding:70px 20px;color:var(--text-faint)}
.empty-state svg{opacity:.4;margin-bottom:16px}
.empty-state__title{font-size:17px;font-weight:600;color:var(--text-soft)}
.empty-state__desc{font-size:14px;margin-top:6px}

/* ---------- 18. 页脚 ---------- */
.site-footer{position:relative;background:var(--iron-deep);color:var(--on-dark-soft);padding:0}
.site-footer__spark{position:relative;height:110px;overflow:hidden}
.site-footer__spark::before{
  content:"";position:absolute;left:50%;top:-190px;transform:translateX(-50%);
  width:520px;height:520px;background:var(--spark-lines);opacity:.4;
  -webkit-mask-image:radial-gradient(circle,#000 4%,transparent 52%);
  mask-image:radial-gradient(circle,#000 4%,transparent 52%);
}
.footer__grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:44px;padding:42px 0 36px}
.footer__desc{font-size:13.5px;line-height:1.85;margin:16px 0 14px;max-width:320px;color:var(--on-dark-soft)}
.footer__addr{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:var(--on-dark-soft)}
.footer__addr svg{color:var(--gold);flex-shrink:0;margin-top:3px}
.footer__title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer__title::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:linear-gradient(90deg,var(--gold),var(--rust));border-radius:2px}
.footer__links li{margin-bottom:9px}
.footer__links a{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--on-dark-soft);
  transition:color var(--t-fast),transform var(--t-fast);
}
.footer__links a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0;box-shadow:0 0 6px rgba(245,179,66,.6)}
.footer__links a:hover{color:var(--gold);transform:translateX(3px)}
.footer__links--contact a::before{display:none}
.footer__links--contact a svg{color:var(--steel)}
.footer__time{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--on-dark-faint)}
.footer__time svg{color:var(--gold)}
.footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:13px;color:var(--on-dark-faint);
}
.footer__slogan{font-size:13px;letter-spacing:.18em;color:var(--gold)}

body.kf-open body.kf-open body.kf-open .back-top{
  position:fixed;right:22px;bottom:28px;z-index:800;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--iron);color:#fff;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all var(--t-norm);
}
.back-top.is-show{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:var(--rust-deep);transform:translateY(-3px)}

/* ---------- 20. 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--t-norm),transform .8s var(--t-norm)}
.reveal.is-in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.1s}
.reveal[data-delay="2"]{transition-delay:.2s}
.reveal[data-delay="3"]{transition-delay:.3s}
.reveal[data-delay="4"]{transition-delay:.4s}
.reveal[data-delay="5"]{transition-delay:.5s}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1024px){
  .container{padding:0 20px}
  .biz-grid{grid-template-columns:1fr 1fr}
  .news-mix{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr 1fr;gap:26px 16px}
  .trust-item:nth-child(2n){border-right:0}
  .cases-grid{grid-template-columns:1fr 1fr}
  .cta-endorse{grid-template-columns:1fr;padding:40px 34px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:34px}
  .sitemap-list{columns:2}
}

@media (max-width: 900px){
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,82vw);
    background:var(--iron-deep);flex-direction:column;padding:84px 24px 30px;z-index:950;
    transform:translateX(102%);transition:transform var(--t-norm);
    overflow-y:auto;box-shadow:-20px 0 50px rgba(0,0,0,.4);justify-content:flex-start;
  }
  body.menu-open .main-nav{transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;width:100%}
  .nav-item{width:100%}
  .nav-link{width:100%;justify-content:space-between;color:var(--on-dark)}
  .nav-link.is-active{background:rgba(245,179,66,.14)}
  .nav-link.is-active::after{display:none}
  .nav-caret{margin-left:0}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;min-width:0;padding:0 0 6px 18px;display:none}
  .nav-item.is-open>.dropdown{display:block}
  .dropdown__panel{background:transparent;border:0;box-shadow:none;padding:0}
  .dropdown__link{color:var(--on-dark-soft)}
  .dropdown__link:hover{background:rgba(255,255,255,.08);color:var(--gold)}
  .nav-toggle{display:flex}
  .nav-mask{position:fixed;inset:0;background:rgba(5,8,12,.55);z-index:940;opacity:0;visibility:hidden;transition:all var(--t-fast);display:block}
  body.menu-open .nav-mask{opacity:1;visibility:visible}
  .header__tel{width:34px;height:34px}
  .hero__title{font-size:34px}
  .hero__spark{width:720px;height:720px}
  .hero__spark--alt{width:440px;height:440px}
  .quad-grid{grid-template-columns:1fr}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:36px 30px}
  .cta-cards{grid-template-columns:1fr}
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;margin-top:8px}
  .prevnext{grid-template-columns:1fr}
  .case-info{grid-template-columns:1fr 1fr}
  .detail-card{padding:28px 24px}
  .case-detail-card__body{padding:28px 24px}
  .sitemap-list{columns:1}
}

@media (max-width: 640px){
  .section{padding:60px 0}
  .section__title{font-size:26px}
  .hero{min-height:620px}
  .hero__inner{padding:48px 0}
  .hero__title{font-size:28px}
  .hero__lead{font-size:15px}
  .hero__slides{min-height:290px}
  .hero__spark{width:520px;height:520px}
  .hero__spark--alt{width:320px;height:320px}
  .biz-grid{grid-template-columns:1fr}
  .biz-card__num{font-size:52px}
  .trust-grid{grid-template-columns:1fr;gap:18px}
  .trust-item{border-right:0;justify-content:flex-start;padding:0 6px}
  .news-mini__item{padding:12px 14px}
  .cases-grid{grid-template-columns:1fr}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .article-grid{grid-template-columns:1fr}
  .cta-dual{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-endorse{padding:32px 24px}
  .cta-endorse__nums{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bottom{flex-direction:column;text-align:center}
  .form-grid{grid-template-columns:1fr}
  .county-hero{padding:32px 24px}
  .error-code{font-size:90px}
  .page-hero{padding:44px 0 40px}
  .page-hero__title{font-size:27px}
}

/* ---------- 22. 无障碍降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.001s !important}
  .reveal{opacity:1;transform:none}
  .hero__spark,.hero__spark--alt,.hero__core,.hero__scroll::after,.ember{animation:none}
}

/* no-js 降级：hero 多屏全部显示、reveal 可见、数字保持真实值 */
.no-js .hero__slide{opacity:1;visibility:visible;position:relative;height:auto}
.no-js .hero__slides{min-height:0}
.no-js .hero__dots,.no-js .hero__scroll{display:none}
.no-js .reveal{opacity:1;transform:none}
.no-js .nav-item>.dropdown{display:none}
.no-js .nav-item:hover>.dropdown{display:block;opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ===== zfkf 悬浮客服（统一标准组件）===== */
.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}}

/* ===== 横向溢出统一防护（clip 不影响 sticky 吸顶）===== */
html{overflow-x:clip}
/* 横滑容器滚动条隐藏 */
.main-nav,.news-rail{scrollbar-width:none;-ms-overflow-style:none}
.main-nav::-webkit-scrollbar,.news-rail::-webkit-scrollbar{display:none}

/* ===== 正文内容溢出防护（表格/图片/长词）===== */
.detail__content table,.page-content table{display:block;max-width:100%;overflow-x:auto}
.detail__content img,.page-content img{max-width:100%;height:auto}
.detail__content pre,.page-content pre{overflow-x:auto}
.detail__content,.page-content{overflow-wrap:break-word}
/* 品牌名/标题单行溢出省略 */
.brand{min-width:0}
.brand__name{overflow:hidden;text-overflow:ellipsis}
.news-mini__title{overflow:hidden;text-overflow:ellipsis}

/* ===== 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}
: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{font-size:1.6em}
: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{font-size:1.4em}
: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) h3{margin:1.4em 0 .6em;font-size:1.2em;line-height:1.45;font-weight:700}
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