/* =========================================================================
   中豫建安官网 · 全站样式
   结构：1 设计令牌 → 2 基础 → 3 通用组件 → 4 页头/导航 → 5 首屏
        6 业务卡片 → 7 痛点 → 8 流程 → 9 优势 → 10 案例 → 11 FAQ
        12 联系/表单 → 13 页脚 → 14 内页（业务页/文章页）→ 15 响应式
   改颜色只改第 1 节；改间距看 --container 和 .section
   ========================================================================= */

/* ---------- 1. 设计令牌（改这里，全站生效） ---------- */
:root{
  --navy:        #0A1B3D;   /* 主色：深藏蓝 */
  --navy-2:      #12264F;   /* 辅助深色 */
  --navy-3:      #07132B;   /* 页脚、顶条 */
  --gold:        #C8A45D;   /* 品牌金：香槟金 */
  --gold-light:  #E8CE93;   /* 金色高光 */
  --gold-dark:   #A8853F;
  --bg-light:    #F5F7FA;   /* 浅底区块 */
  --ink:         #1E2A3A;   /* 浅底正文 */
  --ink-soft:    #4A5A70;
  --ink-mute:    #7C8A9A;
  --line:        #E2E7EE;
  --line-dark:   rgba(200,164,93,.20);
  --text-dark:   #E9EEF6;   /* 深底正文 */
  --text-dark-2: #C3CFE0;
  --text-dark-3: #97A7BF;

  --radius:      14px;
  --radius-lg:   20px;
  --container:   1240px;
  --header-h:    76px;
  --ease:        cubic-bezier(.22,.61,.36,1);

  --font-sans: "Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB","Heiti SC",sans-serif;
  --font-num:  "Helvetica Neue",Helvetica,Arial,sans-serif;
}

/* ---------- 2. 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--navy);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(200,164,93,.35);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}
.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. 通用组件 ---------- */
.section{position:relative;padding:clamp(64px,7.5vw,116px) 0}
.section--dark{background:var(--navy);color:var(--text-dark)}
.section--deep{background:var(--navy-3);color:var(--text-dark)}
.section--light{background:var(--bg-light);color:var(--ink)}
.section--white{background:#fff;color:var(--ink)}

.section__head{max-width:760px;margin-bottom:clamp(36px,4.4vw,60px)}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--gold);text-transform:uppercase;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.section--light .eyebrow,.section--white .eyebrow{color:var(--gold-dark)}
.section__title{font-size:clamp(26px,3vw,40px);line-height:1.3}
.section__desc{margin-top:16px;font-size:clamp(15px,1.15vw,17px);line-height:1.9;color:var(--text-dark-3)}
.section--light .section__desc,.section--white .section__desc{color:var(--ink-soft)}
.section--light .section__title,.section--white .section__title{color:var(--navy)}

.gold{color:var(--gold)}
.gold-text{
  background:linear-gradient(96deg,var(--gold-light) 0%,var(--gold) 52%,var(--gold-dark) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 26px;border-radius:8px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,border-color .3s,color .3s;
}
.btn--gold{
  background:linear-gradient(100deg,var(--gold-light),var(--gold) 55%,var(--gold-dark));
  color:#14213C;box-shadow:0 10px 26px -14px rgba(200,164,93,.75);
}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px -14px rgba(200,164,93,.85)}
.btn--ghost{border-color:rgba(200,164,93,.45);color:var(--gold-light);background:rgba(200,164,93,.04)}
.btn--ghost:hover{background:rgba(200,164,93,.12);border-color:var(--gold);transform:translateY(-2px)}
.btn--dark{background:var(--navy);color:#fff}
.btn--dark:hover{background:var(--navy-2);transform:translateY(-2px)}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:6px}
.btn--block{width:100%}
.btn svg{width:16px;height:16px;flex:none}

/* 链接箭头 */
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--gold);
}
.link-arrow i{display:block;width:18px;height:1px;background:var(--gold);transition:width .3s var(--ease)}
.link-arrow:hover i{width:30px}
.link-arrow svg{width:13px;height:13px;transition:transform .3s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

/* 滚动渐入 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease-out,transform .6s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* 细分割线 */
.rule{height:1px;background:linear-gradient(90deg,transparent,var(--line-dark),transparent)}

/* ---------- 4. 页头 / 导航 ---------- */
.topbar{
  background:var(--navy-3);color:var(--text-dark-3);
  font-size:12.5px;letter-spacing:.03em;position:relative;z-index:60;
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px}
.topbar__left{display:flex;align-items:center;gap:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__left .dot{width:5px;height:5px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(200,164,93,.16);flex:none}
.topbar__right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.topbar__tel{color:var(--gold-light);font-weight:600;letter-spacing:.02em}
.topbar__tel:hover{color:#fff}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,27,61,.55);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(200,164,93,.12);
  transition:background .4s var(--ease),box-shadow .4s var(--ease);
}
.site-header.is-stuck{background:rgba(7,19,43,.94);box-shadow:0 12px 40px -24px rgba(0,0,0,.9)}
.header__inner{display:flex;align-items:center;gap:26px;height:var(--header-h)}

.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand__mark{
  width:42px;height:42px;border-radius:50%;flex:none;
  display:grid;place-items:center;
  font-size:14px;font-weight:700;letter-spacing:.04em;color:#16233F;
  background:radial-gradient(circle at 32% 26%,var(--gold-light),var(--gold) 58%,var(--gold-dark));
  box-shadow:0 0 0 1px rgba(232,206,147,.45),0 8px 20px -10px rgba(200,164,93,.8);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__text strong{font-size:17px;font-weight:700;color:#fff;letter-spacing:.06em}
.brand__text em{font-size:9.5px;font-style:normal;letter-spacing:.18em;color:var(--gold);margin-top:4px;opacity:.85}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__item{position:relative}
.nav__link{
  display:flex;align-items:center;gap:6px;
  padding:10px 13px;border-radius:6px;font-size:14.5px;font-weight:500;
  color:var(--text-dark-2);transition:color .25s,background .25s;
}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav__link.is-active{color:var(--gold-light)}
.nav__link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.nav__link .chev{width:9px;height:9px;opacity:.6;transition:transform .3s}
.nav__item:hover .chev{transform:rotate(180deg)}

/* 业务下拉 */
.dropdown{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%,8px);
  width:520px;padding:14px;border-radius:12px;
  background:rgba(9,22,48,.97);
  border:1px solid var(--line-dark);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.9);
  display:grid;grid-template-columns:1fr 1fr;gap:2px;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.nav__item:hover .dropdown,.nav__item:focus-within .dropdown{opacity:1;visibility:visible;transform:translate(-50%,0)}
.dropdown a{
  padding:11px 13px;border-radius:7px;font-size:13.5px;color:var(--text-dark-2);
  display:flex;align-items:center;gap:9px;transition:background .2s,color .2s;
}
.dropdown a span{font-family:var(--font-num);font-size:11px;color:var(--gold);opacity:.7}
.dropdown a:hover{background:rgba(200,164,93,.1);color:#fff}
.dropdown--wide{width:560px}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(200,164,93,.3);
  background:rgba(200,164,93,.06);border-radius:8px;cursor:pointer;
  position:relative;margin-left:auto;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:1.5px;background:var(--gold-light);
  transform:translateX(-50%);transition:transform .3s,opacity .3s;
}
.nav-toggle span{top:50%;margin-top:-.75px}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* 移动端抽屉 */
.mobile-panel{
  position:fixed;inset:0;z-index:70;background:rgba(7,19,43,.98);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  padding:22px 22px 40px;overflow-y:auto;
  display:none;flex-direction:column;
}
.mobile-panel.is-open{display:flex}
.mobile-panel__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.mobile-panel__close{width:44px;height:44px;border:1px solid rgba(200,164,93,.3);background:none;border-radius:8px;color:var(--gold);font-size:22px;line-height:1;cursor:pointer}
.mobile-panel nav{display:flex;flex-direction:column}
.mobile-panel nav a{
  padding:15px 4px;font-size:16px;color:var(--text-dark);border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-panel nav a.is-active{color:var(--gold-light)}
.mobile-panel .mp-sub{padding:8px 4px 8px 16px;display:flex;flex-direction:column}
.mobile-panel .mp-sub a{font-size:14px;color:var(--text-dark-3);padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.06)}
.mobile-panel .btn{margin-top:26px}

/* ---------- 5. 首屏 ---------- */
.hero{position:relative;overflow:hidden;background:var(--navy);isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero__bg::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 60% 55% at 18% 8%,rgba(200,164,93,.13),transparent 68%),
    radial-gradient(ellipse 70% 60% at 88% 78%,rgba(18,38,79,.95),transparent 70%),
    linear-gradient(178deg,#0A1B3D 0%,#0A1B3D 55%,#08183A 100%);
}
/* 蓝图网格 */
.hero__grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(200,164,93,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(200,164,93,.055) 1px,transparent 1px);
  background-size:68px 68px;
  -webkit-mask-image:radial-gradient(ellipse 75% 70% at 40% 30%,#000 5%,transparent 72%);
  mask-image:radial-gradient(ellipse 75% 70% at 40% 30%,#000 5%,transparent 72%);
}
#particles{position:absolute;inset:0;width:100%;height:100%;opacity:.85}
.hero__glow{
  position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,206,147,.13),transparent 62%);
  left:0;top:0;transform:translate(-50%,-50%);
  transition:opacity .5s;opacity:.85;will-change:transform;
}
.hero__draw{
  position:absolute;right:-6%;bottom:-4%;width:min(760px,66vw);opacity:.5;
  -webkit-mask-image:linear-gradient(200deg,#000 30%,transparent 82%);
  mask-image:linear-gradient(200deg,#000 30%,transparent 82%);
}
.hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:clamp(28px,4vw,64px);align-items:center;
  padding:clamp(52px,6.4vw,96px) 0 clamp(56px,6.6vw,100px);
}
.hero__copy{max-width:640px}
.hero__badge{
  display:inline-flex;align-items:center;gap:11px;padding:7px 15px 7px 9px;border-radius:100px;
  background:rgba(200,164,93,.08);border:1px solid rgba(200,164,93,.26);
  font-size:12.5px;letter-spacing:.06em;color:var(--gold-light);margin-bottom:24px;
}
.hero__badge b{
  font-family:var(--font-num);font-weight:700;font-size:12px;color:#16233F;
  background:linear-gradient(100deg,var(--gold-light),var(--gold));border-radius:100px;padding:2px 9px;
}
.hero h1{
  font-size:clamp(30px,4.1vw,54px);line-height:1.22;color:#fff;letter-spacing:-.015em;
}
.hero h1 em{font-style:normal;display:block}
.hero__sub{
  margin-top:22px;font-size:clamp(15px,1.25vw,17.5px);line-height:1.85;
  color:var(--text-dark-2);max-width:560px;
}
.hero__sub strong{color:var(--gold-light);font-weight:600}
.trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 0;margin:30px 0 34px;
  font-size:13.5px;color:var(--text-dark-2);
}
.trust li{display:flex;align-items:center;gap:8px;padding-right:20px;margin-right:20px;border-right:1px solid rgba(255,255,255,.12)}
.trust li:last-child{border-right:0;padding-right:0;margin-right:0}
.trust svg{width:15px;height:15px;color:var(--gold);flex:none}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__actions .btn{min-height:52px;padding:0 28px}

/* 首屏右侧：条件诊断卡 */
.diag{
  position:relative;border-radius:var(--radius-lg);padding:26px 26px 22px;
  background:linear-gradient(158deg,rgba(255,255,255,.085),rgba(255,255,255,.022));
  border:1px solid rgba(200,164,93,.24);
  box-shadow:0 40px 80px -50px rgba(0,0,0,.95),inset 0 1px 0 rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.diag::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(120% 60% at 100% 0%,rgba(200,164,93,.14),transparent 60%);
}
.diag__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px}
.diag__title{font-size:15.5px;font-weight:700;color:#fff;letter-spacing:.02em}
.diag__tag{font-size:11px;letter-spacing:.12em;color:var(--gold);border:1px solid rgba(200,164,93,.35);border-radius:100px;padding:3px 9px}
.diag__sub{font-size:12.5px;color:var(--text-dark-3);margin-bottom:18px}
.diag__list{display:flex;flex-direction:column;gap:1px;background:rgba(255,255,255,.07);border-radius:10px;overflow:hidden}
.diag__row{display:flex;align-items:center;gap:12px;padding:13px 14px;background:rgba(9,22,48,.62)}
.diag__row .k{font-size:13.5px;font-weight:600;color:var(--text-dark);flex:none;min-width:70px}
.diag__row .v{font-size:12px;color:var(--text-dark-3);line-height:1.5}
.diag__row .mark{margin-left:auto;width:18px;height:18px;border-radius:50%;flex:none;display:grid;place-items:center;border:1px solid rgba(200,164,93,.35);color:var(--gold);font-size:10px}
.diag__foot{margin-top:16px;font-size:12px;color:var(--gold-light);display:flex;align-items:center;gap:8px}
.diag__foot::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold)}

.scroll-hint{
  position:absolute;left:50%;bottom:18px;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  font-size:10.5px;letter-spacing:.2em;color:rgba(200,164,93,.55);
}
.scroll-hint i{display:block;width:1px;height:26px;background:linear-gradient(var(--gold),transparent);animation:hintDrop 2.2s ease-in-out infinite}
@keyframes hintDrop{0%,100%{opacity:.25;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* ---------- 6. 业务卡片 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.svc-card{
  grid-column:span 3;
  position:relative;display:flex;flex-direction:column;
  padding:26px 22px 20px;min-height:214px;
  border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(255,255,255,.062),rgba(255,255,255,.017));
  border:1px solid rgba(200,164,93,.16);
  transition:transform .45s var(--ease),border-color .45s,box-shadow .45s,background .45s;
  transform-style:preserve-3d;will-change:transform;
}
.svc-card:nth-child(n+5){grid-column:span 4}
.svc-card:hover{
  transform:translateY(-6px);
  border-color:rgba(200,164,93,.55);
  background:linear-gradient(165deg,rgba(200,164,93,.10),rgba(255,255,255,.02));
  box-shadow:0 30px 60px -40px rgba(0,0,0,.95),0 0 0 1px rgba(200,164,93,.12);
}
.svc-card__no{
  font-family:var(--font-num);font-size:11px;font-weight:700;letter-spacing:.16em;
  color:var(--gold);opacity:.7;margin-bottom:18px;
}
.svc-card h3{font-size:17px;line-height:1.45;color:#fff;letter-spacing:0}
.svc-card p{margin-top:11px;font-size:13.5px;line-height:1.75;color:var(--text-dark-3);flex:1}
.svc-card .link-arrow{margin-top:18px;font-size:13px}
.svc-card__line{
  position:absolute;left:0;top:24px;bottom:24px;width:2px;border-radius:2px;
  background:linear-gradient(var(--gold),transparent);
  opacity:0;transition:opacity .45s;
}
.svc-card:hover .svc-card__line{opacity:1}

.svc-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  font-size:14px;color:var(--text-dark-3);
}
.svc-foot strong{color:var(--gold-light);font-weight:600}

/* ---------- 7. 痛点对答 ---------- */
.pain-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.pain{
  display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);
  gap:0;border-bottom:1px solid var(--line);
}
.pain__q,.pain__a{padding:34px clamp(18px,2.4vw,40px)}
.pain__q{border-right:1px solid var(--line);position:relative}
.pain__q::after{
  content:"";position:absolute;right:-5px;top:50%;width:9px;height:9px;
  background:#fff;border:1px solid var(--line);border-radius:50%;transform:translateY(-50%) rotate(45deg);
}
.pain__label{font-size:11.5px;letter-spacing:.14em;color:var(--ink-mute);margin-bottom:12px;display:block}
.pain__q p{font-size:clamp(17px,1.5vw,21px);font-weight:700;line-height:1.55;color:var(--navy);letter-spacing:-.01em}
.pain__q .idx{
  position:absolute;left:clamp(18px,2.4vw,40px);bottom:12px;
  font-family:var(--font-num);font-size:64px;font-weight:700;line-height:1;
  color:rgba(10,27,61,.05);pointer-events:none;
}
.pain__label--a{color:var(--gold-dark)}
.pain__a p{font-size:15px;line-height:1.95;color:var(--ink-soft)}
.pain__a p b{color:var(--navy);font-weight:600}

/* ---------- 8. 流程时间轴 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:10px}
.timeline::before{
  content:"";position:absolute;left:6%;right:6%;top:23px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,164,93,.5) 12%,rgba(200,164,93,.5) 88%,transparent);
}
.step{position:relative;padding-top:0}
.step__dot{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-light);border:1px solid rgba(200,164,93,.45);
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--gold-dark);
  position:relative;z-index:1;transition:background .4s,color .4s,box-shadow .4s;
}
.step:hover .step__dot{background:linear-gradient(140deg,var(--gold-light),var(--gold));color:#16233F;box-shadow:0 0 0 6px rgba(200,164,93,.12)}
.step h3{font-size:16.5px;color:var(--navy);margin:20px 0 10px}
.step .gain{font-size:13.5px;line-height:1.8;color:var(--ink-soft)}
.step .gain b{display:block;font-size:11.5px;letter-spacing:.1em;color:var(--gold-dark);margin-bottom:6px;font-weight:600}

/* ---------- 9. 优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(200,164,93,.16);border:1px solid rgba(200,164,93,.16);border-radius:var(--radius-lg);overflow:hidden}
.adv{background:var(--navy);padding:clamp(26px,3vw,40px);display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;transition:background .4s}
.adv:hover{background:#0C2049}
.adv__num{
  font-family:var(--font-num);font-size:clamp(30px,3.4vw,42px);font-weight:700;line-height:1;
  letter-spacing:-.03em;
  background:linear-gradient(160deg,var(--gold-light),var(--gold) 60%,var(--gold-dark));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  min-width:74px;
}
.adv h3{font-size:17px;color:#fff;margin-bottom:9px;line-height:1.5}
.adv p{font-size:13.5px;line-height:1.85;color:var(--text-dark-3)}

/* ---------- 10. 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;display:flex;flex-direction:column;gap:0;
  transition:transform .45s var(--ease),box-shadow .45s,border-color .45s;
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 30px 60px -40px rgba(10,27,61,.35);border-color:rgba(200,164,93,.55)}
.case-card__tag{
  align-self:flex-start;font-size:11.5px;letter-spacing:.06em;color:var(--gold-dark);
  background:rgba(200,164,93,.1);border:1px solid rgba(200,164,93,.25);
  border-radius:100px;padding:4px 11px;margin-bottom:18px;
}
.case-card h3{font-size:16.5px;color:var(--navy);line-height:1.5;margin-bottom:14px}
.case-card dl{margin:0;display:flex;flex-direction:column;gap:12px;flex:1}
.case-card dt{font-size:11px;letter-spacing:.12em;color:var(--ink-mute);margin-bottom:3px}
.case-card dd{margin:0;font-size:13.5px;line-height:1.75;color:var(--ink-soft)}
.case-card dd.result{color:var(--navy);font-weight:600;display:flex;gap:8px;align-items:flex-start}
.case-card dd.result::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);margin-top:9px;flex:none}
.case-note{margin-top:22px;font-size:12.5px;color:var(--ink-mute);text-align:center}

/* ---------- 11. FAQ ---------- */
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:0 44px;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:15px;font-weight:600;color:var(--navy);line-height:1.6;
  transition:color .25s;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{color:var(--gold-dark)}
.faq__item summary .q{font-family:var(--font-num);font-size:11.5px;color:var(--gold-dark);padding-top:4px;flex:none}
.faq__item summary .ic{
  margin-left:auto;flex:none;width:18px;height:18px;position:relative;margin-top:3px;
  border:1px solid rgba(200,164,93,.5);border-radius:50%;
}
.faq__item summary .ic::before,.faq__item summary .ic::after{
  content:"";position:absolute;background:var(--gold-dark);left:50%;top:50%;transition:transform .3s,opacity .3s;
}
.faq__item summary .ic::before{width:8px;height:1px;transform:translate(-50%,-50%)}
.faq__item summary .ic::after{width:1px;height:8px;transform:translate(-50%,-50%)}
.faq__item[open] summary .ic::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq__item p{padding:0 32px 24px;font-size:14px;line-height:1.95;color:var(--ink-soft);margin-top:-6px}
.faq__item p b{color:var(--navy);font-weight:600}

/* ---------- 12. 联系 / 表单 ---------- */
.contact-wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(30px,4vw,64px);align-items:start}
.contact__lead{font-size:15px;line-height:1.9;color:var(--text-dark-3);max-width:420px;margin-bottom:32px}
.info-list{display:flex;flex-direction:column;gap:0;border-top:1px solid rgba(255,255,255,.09)}
.info-item{display:grid;grid-template-columns:22px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.09)}
.info-item svg{width:18px;height:18px;color:var(--gold);margin-top:4px}
.info-item dt{font-size:11.5px;letter-spacing:.12em;color:var(--text-dark-3);margin-bottom:5px}
.info-item dd{margin:0;font-size:15px;line-height:1.7;color:var(--text-dark)}
.info-item dd a{border-bottom:1px solid rgba(200,164,93,.4);padding-bottom:1px}
.info-item dd a:hover{color:var(--gold-light)}
.info-item dd.big{font-family:var(--font-num);font-size:22px;font-weight:700;letter-spacing:.01em;color:var(--gold-light)}
.qr-box{margin-top:26px;display:flex;align-items:center;gap:16px}
.qr{
  width:104px;height:104px;border-radius:10px;background:rgba(255,255,255,.04);
  border:1px dashed rgba(200,164,93,.4);display:grid;place-items:center;
  font-size:11px;line-height:1.6;color:var(--text-dark-3);text-align:center;padding:8px;
}
.qr-box p{font-size:12.5px;line-height:1.7;color:var(--text-dark-3)}
.qr-box p strong{display:block;color:var(--text-dark);font-size:13.5px;margin-bottom:4px}

.form-card{
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  border:1px solid rgba(200,164,93,.22);border-radius:var(--radius-lg);
  padding:clamp(24px,2.6vw,38px);
  box-shadow:0 40px 80px -60px rgba(0,0,0,.9);
}
.form-card__head{margin-bottom:24px}
.form-card__head h3{font-size:20px;color:#fff;margin-bottom:8px}
.form-card__head p{font-size:13px;color:var(--text-dark-3)}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;letter-spacing:.04em;color:var(--text-dark-2);margin-bottom:8px}
.field label i{color:var(--gold);font-style:normal;margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;padding:0 14px;height:46px;border-radius:8px;
  background:rgba(7,19,43,.55);border:1px solid rgba(255,255,255,.13);
  color:#fff;font-size:14.5px;font-family:inherit;outline:none;
  transition:border-color .25s,background .25s,box-shadow .25s;
  -webkit-appearance:none;appearance:none;
}
.field textarea{height:auto;padding:12px 14px;min-height:96px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(151,167,191,.65)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--gold);background:rgba(7,19,43,.8);box-shadow:0 0 0 3px rgba(200,164,93,.14);
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23C8A45D' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:11px;padding-right:36px;
}
.field select option{background:#0A1B3D;color:#fff}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field .err{display:none;font-size:12px;color:#E8A08C;margin-top:6px}
.field.is-bad input,.field.is-bad select{border-color:#C4705C}
.field.is-bad .err{display:block}
.form__note{margin-top:14px;font-size:12px;line-height:1.7;color:var(--text-dark-3)}
.form__note a{color:var(--gold);border-bottom:1px solid rgba(200,164,93,.4)}
.form__msg{
  display:none;margin-top:16px;padding:13px 15px;border-radius:8px;font-size:13.5px;line-height:1.7;
  background:rgba(200,164,93,.1);border:1px solid rgba(200,164,93,.35);color:var(--gold-light);
}
.form__msg.is-show{display:block}
.form__msg.is-bad{background:rgba(196,112,92,.1);border-color:rgba(196,112,92,.4);color:#F0BCAD}
.form__msg a{text-decoration:underline}

/* CTA 横条 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(112deg,#0D2350,#0A1B3D 55%,#132B58);
  border:1px solid rgba(200,164,93,.22);
  padding:clamp(28px,3.4vw,46px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,164,93,.18),transparent 65%);pointer-events:none;
}
.cta-band h3{font-size:clamp(19px,2vw,25px);color:#fff;line-height:1.5;margin-bottom:10px}
.cta-band p{font-size:13.5px;color:var(--text-dark-3)}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ---------- 13. 页脚 ---------- */
.footer{background:var(--navy-3);color:var(--text-dark-3);padding:clamp(48px,5vw,72px) 0 0;font-size:13.5px}
.footer__top{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,48px);padding-bottom:44px}
.footer .brand{margin-bottom:18px}
.footer__about{line-height:1.9;max-width:340px}
.footer__facts{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:rgba(151,167,191,.85)}
.footer h4{font-size:13px;font-weight:600;color:#fff;letter-spacing:.1em;margin-bottom:18px}
.footer__links{display:flex;flex-direction:column;gap:11px}
.footer__links a{color:var(--text-dark-3);transition:color .25s,padding-left .25s}
.footer__links a:hover{color:var(--gold-light);padding-left:4px}
.footer__tel{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--gold-light);display:block;margin-bottom:6px}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;justify-content:space-between;
  font-size:12px;color:rgba(151,167,191,.72);line-height:1.8;
}
.footer__bottom a:hover{color:var(--gold-light)}
.disclaimer-bar{background:rgba(200,164,93,.06);border-top:1px solid rgba(200,164,93,.14)}
.disclaimer-bar .container{padding-top:12px;padding-bottom:12px;font-size:11.5px;color:rgba(200,164,93,.75);letter-spacing:.02em}

/* ---------- 14. 内页 ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--navy);color:var(--text-dark);
  padding:clamp(44px,5vw,74px) 0 clamp(40px,4.6vw,64px);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 50% 60% at 82% 0%,rgba(200,164,93,.12),transparent 60%),
    linear-gradient(180deg,#0A1B3D,#091A3B);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(200,164,93,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,164,93,.05) 1px,transparent 1px);
  background-size:68px 68px;
  -webkit-mask-image:radial-gradient(ellipse 60% 100% at 70% 0%,#000,transparent 78%);
  mask-image:radial-gradient(ellipse 60% 100% at 70% 0%,#000,transparent 78%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--text-dark-3);margin-bottom:20px}
.crumb a:hover{color:var(--gold-light)}
.crumb span{opacity:.5}
.page-hero h1{font-size:clamp(26px,3.4vw,42px);color:#fff;line-height:1.3;max-width:820px}
.page-hero .lead{margin-top:18px;font-size:clamp(14.5px,1.15vw,16.5px);line-height:1.9;color:var(--text-dark-2);max-width:720px}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--gold-light);
  border:1px solid rgba(200,164,93,.28);background:rgba(200,164,93,.06);
  border-radius:100px;padding:6px 13px;
}
.chip::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--gold);flex:none}

/* 业务流程四块 */
.quad{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.quad__cell{background:#fff;padding:clamp(24px,2.8vw,36px)}
.quad__cell h3{font-size:15px;color:var(--navy);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.quad__cell h3 span{
  font-family:var(--font-num);font-size:10.5px;font-weight:700;letter-spacing:.1em;
  color:var(--gold-dark);border:1px solid rgba(200,164,93,.4);border-radius:3px;padding:2px 6px;
}
.quad__cell p{font-size:14px;line-height:1.95;color:var(--ink-soft)}
.quad__cell p + p{margin-top:10px}
.quad__cell strong{color:var(--navy);font-weight:600}

/* 文案排版 */
.prose{font-size:15.5px;line-height:2;color:var(--ink-soft);max-width:800px}
.prose > * + *{margin-top:18px}
.prose h2{font-size:clamp(20px,2vw,26px);color:var(--navy);margin-top:44px;line-height:1.45}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:17px;color:var(--navy);margin-top:30px}
.prose strong{color:var(--navy);font-weight:600}
.prose a{color:var(--gold-dark);border-bottom:1px solid rgba(200,164,93,.45)}
.prose ul,.prose ol{padding-left:0;display:flex;flex-direction:column;gap:9px}
.prose ul li{position:relative;padding-left:20px}
.prose ul li::before{content:"";position:absolute;left:2px;top:.82em;width:5px;height:5px;background:var(--gold);border-radius:50%}
.prose ol{counter-reset:n}
.prose ol li{position:relative;padding-left:26px;counter-increment:n}
.prose ol li::before{
  content:counter(n);position:absolute;left:0;top:.15em;
  font-family:var(--font-num);font-size:12px;font-weight:700;color:var(--gold-dark);
  border:1px solid rgba(200,164,93,.4);border-radius:50%;width:18px;height:18px;
  display:grid;place-items:center;line-height:1;
}
.prose blockquote{
  margin:0;padding:18px 22px;border-left:2px solid var(--gold);
  background:rgba(200,164,93,.06);font-size:14.5px;color:var(--ink);border-radius:0 8px 8px 0;
}
.prose .divider{height:1px;background:var(--line);margin:36px 0}

/* 材料清单：两列对照 */
.mat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
}
.mat--gold{background:linear-gradient(165deg,rgba(200,164,93,.09),rgba(200,164,93,.02));border-color:rgba(200,164,93,.35)}
.mat h3{font-size:14.5px;color:var(--navy);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.mat h3 svg{width:16px;height:16px;color:var(--gold-dark)}
.mat ul{display:flex;flex-direction:column;gap:11px}
.mat li{position:relative;padding-left:19px;font-size:13.5px;line-height:1.75;color:var(--ink-soft)}
.mat li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:1px;background:var(--gold-dark)}

/* 交付物 */
.deliver{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.deliver__item{
  border:1px solid var(--line);border-radius:10px;padding:20px 18px;background:#fff;
  font-size:13.5px;line-height:1.7;color:var(--ink);
}
.deliver__item span{display:block;font-family:var(--font-num);font-size:11px;color:var(--gold-dark);letter-spacing:.12em;margin-bottom:9px}

/* 提示条 */
.notice{
  display:flex;gap:14px;padding:20px 22px;border-radius:10px;
  background:rgba(200,164,93,.07);border:1px solid rgba(200,164,93,.3);
  font-size:13.5px;line-height:1.85;color:var(--ink);
}
.notice svg{width:18px;height:18px;color:var(--gold-dark);flex:none;margin-top:3px}
.notice strong{color:var(--navy)}

/* 内页业务导航 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.rel{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;border:1px solid var(--line);border-radius:10px;background:#fff;
  font-size:14px;color:var(--navy);font-weight:500;
  transition:border-color .3s,transform .3s,box-shadow .3s;
}
.rel:hover{border-color:rgba(200,164,93,.6);transform:translateY(-3px);box-shadow:0 18px 40px -32px rgba(10,27,61,.5)}
.rel svg{width:13px;height:13px;color:var(--gold-dark);flex:none}

/* 内页两栏（正文 + 侧栏） */
.layout-2col{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(28px,4vw,64px);align-items:start}
.side-card{
  position:sticky;top:calc(var(--header-h) + 20px);
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:26px 22px;
}
.side-card h4{font-size:13px;letter-spacing:.1em;color:var(--ink-mute);margin-bottom:16px;font-weight:600}
.side-card .nav-list{display:flex;flex-direction:column;gap:2px}
.side-card .nav-list a{
  display:block;padding:10px 12px;border-radius:7px;font-size:13.5px;color:var(--ink-soft);
  transition:background .25s,color .25s;
}
.side-card .nav-list a:hover{background:var(--bg-light);color:var(--navy)}
.side-card .nav-list a.is-active{background:rgba(200,164,93,.12);color:var(--navy);font-weight:600}
.side-card__cta{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.side-card__cta p{font-size:12.5px;color:var(--ink-mute);line-height:1.7;margin-bottom:12px}

/* 事实表 */
.fact-table{width:100%;border-collapse:collapse;font-size:14px}
.fact-table th,.fact-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.fact-table th{width:170px;font-weight:500;color:var(--ink-mute);font-size:13px;background:var(--bg-light)}
.fact-table td{color:var(--ink);font-weight:500}
.fact-table tr:last-child th,.fact-table tr:last-child td{border-bottom:0}
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}

/* 统计条 */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(200,164,93,.18);border-top:1px solid rgba(200,164,93,.18);border-bottom:1px solid rgba(200,164,93,.18)}
.stat{background:var(--navy);padding:clamp(26px,3vw,38px) clamp(16px,2vw,28px)}
.stat b{
  display:block;font-family:var(--font-num);font-size:clamp(30px,3.6vw,44px);font-weight:700;line-height:1;
  letter-spacing:-.03em;
  background:linear-gradient(160deg,var(--gold-light),var(--gold) 62%,var(--gold-dark));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:10px;font-size:12.5px;color:var(--text-dark-3);letter-spacing:.02em}

/* 时间线（纵向，用于文章/关于） */
.vtl{position:relative;padding-left:26px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:26px}
.vtl__item{position:relative}
.vtl__item::before{content:"";position:absolute;left:-31px;top:8px;width:9px;height:9px;border-radius:50%;background:#fff;border:1px solid var(--gold)}
.vtl__item b{display:block;font-family:var(--font-num);font-size:12px;letter-spacing:.1em;color:var(--gold-dark);margin-bottom:5px;font-weight:700}
.vtl__item p{font-size:14px;line-height:1.85;color:var(--ink-soft)}

/* 文章列表 */
.art-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.art{
  display:grid;grid-template-columns:150px 1fr auto;gap:26px;align-items:start;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.art__date{font-family:var(--font-num);font-size:12.5px;color:var(--ink-mute);letter-spacing:.04em;padding-top:4px}
.art h3{font-size:18px;color:var(--navy);line-height:1.55;margin-bottom:9px}
.art h3 a:hover{color:var(--gold-dark)}
.art p{font-size:13.5px;line-height:1.8;color:var(--ink-soft);max-width:640px}
.art__go{align-self:center;color:var(--gold-dark)}

/* 文章正文 */
.article-head{max-width:800px}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:12.5px;color:var(--ink-mute);margin-top:18px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.article-body{max-width:800px;margin-top:34px}
.article-foot{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-mute);line-height:1.9}

/* 表格（周期表） */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff}
.tbl th{background:var(--navy);color:#fff;font-weight:500;font-size:12.5px;letter-spacing:.04em;padding:13px 16px;text-align:left;white-space:nowrap}
.tbl td{padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink-soft)}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{color:var(--navy);font-weight:500}
.tbl .tbd{color:var(--gold-dark);font-size:12.5px}

/* 空占位（待填素材） */
.placeholder{
  border:1px dashed rgba(200,164,93,.45);border-radius:var(--radius);
  background:rgba(200,164,93,.05);padding:30px 22px;text-align:center;
  font-size:12.5px;line-height:1.8;color:var(--ink-mute);
}
.placeholder b{display:block;color:var(--gold-dark);font-size:13px;margin-bottom:6px;letter-spacing:.04em}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1180px){
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .hero__draw{opacity:.28;right:-14%}
  .diag{max-width:520px}
  .nav__link{padding:10px 10px;font-size:14px}
  .svc-card{grid-column:span 4}
  .svc-card:nth-child(n+5){grid-column:span 4}
  .deliver{grid-template-columns:repeat(2,1fr)}
  .layout-2col{grid-template-columns:1fr}
  .side-card{position:static}
}
@media (max-width:1024px){
  .nav{display:none}
  .nav-toggle{display:block}
  .header__cta{display:none}
  .hero__inner{padding-top:44px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px}
  .timeline::before{display:none}
  .adv-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .footer__top{grid-template-columns:1fr 1fr;gap:34px}
  .contact-wrap{grid-template-columns:1fr;gap:36px}
  .faq{grid-template-columns:1fr;gap:0}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .svc-card{grid-column:span 6}
  .svc-card:nth-child(n+5){grid-column:span 6}
  .art{grid-template-columns:1fr;gap:10px}
  .art__go{display:none}
}
@media (max-width:768px){
  :root{--header-h:64px}
  .container{padding:0 18px}
  .topbar__right .hours{display:none}
  .topbar__left{font-size:11.5px}
  .brand__mark{width:36px;height:36px;font-size:12.5px}
  .brand__text strong{font-size:15.5px}
  .brand__text em{font-size:8.5px}
  .hero h1{font-size:clamp(26px,7.4vw,34px)}
  .hero__sub{font-size:14.5px}
  .trust{gap:8px 0;font-size:12.5px}
  .trust li{padding-right:14px;margin-right:14px}
  .trust li:nth-child(3){border-right:0;padding-right:0;margin-right:0}
  .hero__actions .btn{flex:1 1 100%;min-height:50px}
  .diag{padding:20px}
  .diag__row{flex-wrap:wrap;gap:6px 12px}
  .diag__row .v{flex:1 1 100%;order:3}
  .diag__row .mark{order:2}
  .pain{grid-template-columns:1fr}
  .pain__q{border-right:0;border-bottom:1px solid var(--line);padding-bottom:26px}
  .pain__q::after{display:none}
  .pain__q .idx{font-size:48px;bottom:6px}
  .pain__a{padding-top:24px}
  .quad{grid-template-columns:1fr}
  .mat-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .svc-card{grid-column:span 12!important;min-height:auto}
  .section__head{margin-bottom:30px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 auto}
  .footer__top{grid-template-columns:1fr;gap:30px}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .field--row{grid-template-columns:1fr}
  .deliver{grid-template-columns:1fr}
  .fact-table th{width:110px;padding:12px}
  .fact-table td{padding:12px}
  .art h3{font-size:16.5px}
  .tbl{font-size:12.5px}
  .tbl th,.tbl td{padding:11px 12px}
  .scroll-hint{display:none}
}
@media (max-width:430px){
  .container{padding:0 15px}
  .topbar__left{font-size:11px}
  .topbar__tel{font-size:12.5px}
  .hero__badge{font-size:11.5px;letter-spacing:.02em}
  .stat-band{grid-template-columns:1fr 1fr}
  .stat{padding:22px 16px}
  .form-card{padding:20px}
  .btn{min-height:46px}
}

/* 无障碍：减少动效 */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ---------- 16. 移动端悬浮拨号条（只在手机显示） ---------- */
.call-bar{display:none}
@media (max-width:768px){
  .call-bar{
    display:flex;align-items:center;justify-content:center;gap:9px;
    position:fixed;left:14px;right:14px;bottom:14px;z-index:40;height:50px;
    border-radius:10px;
    background:linear-gradient(100deg,var(--gold-light),var(--gold) 55%,var(--gold-dark));
    color:#14213C;font-size:14.5px;font-weight:700;letter-spacing:.01em;
    box-shadow:0 14px 32px -16px rgba(0,0,0,.75);
    opacity:0;transform:translateY(110%);
    transition:opacity .35s var(--ease),transform .35s var(--ease);
    pointer-events:none;
  }
  .call-bar.is-show{opacity:1;transform:none;pointer-events:auto}
  .call-bar svg{width:17px;height:17px;flex:none}
}


/* ---------- 17. 业务条目列表（服务总览页用） ---------- */
.biz{border-top:1px solid var(--line);display:flex;flex-direction:column}
.biz__item{
  display:grid;grid-template-columns:64px minmax(0,1fr) 240px;gap:clamp(16px,2.4vw,32px);
  align-items:start;padding:30px 0;border-bottom:1px solid var(--line);
  transition:background .3s;
}
.biz__item:hover{background:rgba(200,164,93,.035)}
.biz__no{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--gold-dark);padding-top:5px;
}
.biz__main h3{font-size:18.5px;color:var(--navy);line-height:1.5;margin-bottom:10px}
.biz__main h3 a:hover{color:var(--gold-dark)}
.biz__main p{font-size:14px;line-height:1.85;color:var(--ink-soft);max-width:600px}
.biz__main p + p{margin-top:7px}
.biz__main p b{color:var(--navy);font-weight:600}
.biz__side{padding-top:2px}
.biz__side span{display:block;font-size:11.5px;letter-spacing:.1em;color:var(--ink-mute);margin-bottom:5px}
.biz__side em{display:block;font-style:normal;font-size:13px;color:var(--ink);margin-bottom:14px}
.biz__side .link-arrow{font-size:13px}
@media (max-width:1024px){
  .biz__item{grid-template-columns:44px 1fr}
  .biz__side{grid-column:2;padding-top:0}
  .biz__side em{margin-bottom:8px}
}
@media (max-width:768px){
  .biz__item{grid-template-columns:1fr;gap:8px;padding:24px 0}
  .biz__no{padding-top:0}
  .biz__side{grid-column:1}
}

/* ---------- 18. 内页区块标题 ---------- */
.blk-title{
  font-size:clamp(19px,1.9vw,25px);color:var(--navy);line-height:1.45;
  margin:clamp(34px,3.6vw,50px) 0 16px;
}
.blk-title:first-child{margin-top:0}
.blk-sub{font-size:14px;line-height:1.85;color:var(--ink-soft);margin:-6px 0 22px;max-width:720px}
.service-intro{font-size:16px;line-height:2;color:var(--ink-soft);max-width:760px}
.service-intro strong{color:var(--navy);font-weight:600}
.service-intro p + p{margin-top:14px}

/* ---------- 19. 后台上传的微信二维码 ---------- */
.qr.is-filled{border-style:solid;background:#fff;padding:0;overflow:hidden}
.qr img{width:100%;height:100%;object-fit:cover;display:block}

/* ---------- 20. 联系页嵌入地图（高德 iframe 自适应） ---------- */
.map-embed iframe{display:block;width:100%;height:320px;border:0;border-radius:14px}
@media (max-width:768px){.map-embed iframe{height:260px}}
/* iframe 直接粘进占位框时同样自适应，并去掉虚线底框 */
.placeholder iframe{display:block;width:100%;height:320px;border:0;border-radius:14px}
.placeholder:has(iframe){border:none;background:none;padding:0;box-shadow:none}
@media (max-width:768px){.placeholder iframe{height:260px}}