@charset "utf-8";
/* ==========================================================================
   万霖消防 · 4G声光报警器垂直站 设计系统 v1.0
   hnxx.cha119.com  |  科技深蓝 + 深灰 + 警示红
   与站点原有 Bootstrap 4 共存，所有类名加 wl- 前缀，不覆盖 Bootstrap 组件
   ========================================================================== */

:root{
  --wl-ink:#0A1826;
  --wl-navy:#0E2A47;
  --wl-blue:#17588C;
  --wl-blue-l:#2E7CB8;
  --wl-red:#D1332B;
  --wl-red-d:#AE2620;
  --wl-gray:#39485A;
  --wl-text:#1C2B3A;
  --wl-muted:#5F7387;
  --wl-line:#E3EAF2;
  --wl-line-2:#CFDBE8;
  --wl-soft:#F5F8FB;
  --wl-soft-2:#EDF3F9;
  --wl-white:#fff;
  --wl-ok:#1F7A55;
  --wl-warn:#B4761A;
  --wl-r-sm:6px;
  --wl-r:10px;
  --wl-r-lg:16px;
  --wl-sh-1:0 1px 2px rgba(12,32,54,.05), 0 2px 8px rgba(12,32,54,.04);
  --wl-sh-2:0 4px 12px rgba(12,32,54,.07), 0 12px 32px rgba(12,32,54,.06);
  --wl-sh-3:0 8px 20px rgba(12,32,54,.10), 0 22px 48px rgba(12,32,54,.09);
  --wl-wrap:1240px;
  --wl-navh:68px;
  --wl-ease:cubic-bezier(.22,.72,.28,1);
  --wl-font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --wl-mono:"SF Mono",ui-monospace,"JetBrains Mono",Consolas,"Liberation Mono",Menlo,monospace;
}

/* ---------- 0. 无障碍跳转 ---------- */
.wl-skip{position:absolute;left:-9999px;top:0;z-index:9999;
  padding:12px 22px;background:var(--wl-navy);color:#fff!important;
  font-size:15px;font-weight:700;text-decoration:none!important;border-radius:0 0 var(--wl-r) 0}
.wl-skip:focus{left:0}

/* ---------- 1. 基础 ---------- */
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--wl-font);color:var(--wl-text);background:var(--wl-white);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
/* 锚点跳转让出吸顶导航高度 */
[id]{scroll-margin-top:calc(var(--wl-navh) + 16px)}

.wl-wrap{width:100%;max-width:var(--wl-wrap);margin:0 auto;padding:0 24px}
.wl-wrap--narrow{max-width:920px}

.wl-sec{padding:76px 0}
.wl-sec--soft{background:var(--wl-soft)}
.wl-sec--dark{background:var(--wl-navy);color:#DDE7F1}
.wl-sec--tight{padding:52px 0}

.wl-sec-head{max-width:760px;margin:0 0 40px}
.wl-sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.wl-kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--wl-blue);margin:0 0 12px;
  padding:5px 11px;background:var(--wl-soft-2);border-radius:99px}
.wl-sec--dark .wl-kicker{color:#8FBEE6;background:rgba(143,190,230,.14)}
.wl-sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.32;font-weight:800;
  letter-spacing:-.01em;margin:0 0 14px;color:var(--wl-navy)}
.wl-sec--dark .wl-sec-head h2{color:#fff}
.wl-sec-head p{font-size:16.5px;line-height:1.82;color:var(--wl-muted);margin:0}
.wl-sec--dark .wl-sec-head p{color:#B6C9DC}

/* ---------- 2. 按钮 ---------- */
.wl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--wl-r);
  font-size:15.5px;font-weight:700;line-height:1;text-decoration:none!important;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .22s var(--wl-ease),color .22s var(--wl-ease),
             border-color .22s var(--wl-ease),transform .22s var(--wl-ease),
             box-shadow .22s var(--wl-ease)}
.wl-btn--primary{background:var(--wl-red);color:#fff!important;box-shadow:0 4px 14px rgba(209,51,43,.24)}
.wl-btn--primary:hover{background:var(--wl-red-d);transform:translateY(-2px);box-shadow:0 8px 22px rgba(209,51,43,.3)}
.wl-btn--navy{background:var(--wl-navy);color:#fff!important;box-shadow:0 4px 14px rgba(14,42,71,.2)}
.wl-btn--navy:hover{background:#0A1F35;transform:translateY(-2px)}
.wl-btn--ghost{background:transparent;color:var(--wl-navy)!important;border-color:var(--wl-line-2)}
.wl-btn--ghost:hover{border-color:var(--wl-navy);background:var(--wl-navy);color:#fff!important;transform:translateY(-2px)}
.wl-btn--on-dark{background:transparent;color:#fff!important;border-color:rgba(255,255,255,.42)}
.wl-btn--on-dark:hover{background:#fff;color:var(--wl-navy)!important;border-color:#fff}
.wl-btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.wl-btn--lg{min-height:52px;padding:0 32px;font-size:16.5px}
.wl-btn--block{display:flex;width:100%}

.wl-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* 文本链接 */
.wl-link{color:var(--wl-blue-l)!important;font-weight:600;text-decoration:none!important;
  border-bottom:1px solid rgba(46,124,184,.3);transition:border-color .2s,color .2s}
.wl-link:hover{color:var(--wl-red)!important;border-bottom-color:var(--wl-red)}
.wl-link--arrow::after{content:" →";display:inline-block;transition:transform .24s var(--wl-ease)}
.wl-link--arrow:hover::after{transform:translateX(4px)}

/* ---------- 3. 导航 ---------- */
.wl-nav{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--wl-line);transition:box-shadow .3s var(--wl-ease)}
.wl-nav.is-stuck{box-shadow:0 4px 20px rgba(12,32,54,.09)}
.wl-nav__in{display:flex;align-items:center;gap:18px;height:var(--wl-navh);
  max-width:var(--wl-wrap);margin:0 auto;padding:0 24px}

.wl-brand{display:flex;align-items:center;gap:10px;text-decoration:none!important;
  flex-shrink:0;margin-right:auto;min-width:0}
.wl-brand__logo{height:34px;width:auto;display:block;flex-shrink:0}
.wl-brand__txt{display:flex;flex-direction:column;line-height:1.15}
.wl-brand__txt b{font-size:16px;font-weight:800;color:var(--wl-navy);letter-spacing:.01em}
.wl-brand__txt span{font-size:11.5px;color:var(--wl-muted);letter-spacing:.06em}

.wl-menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.wl-menu>li{position:relative}
.wl-menu>li>a{display:flex;align-items:center;gap:4px;padding:0 10px;height:var(--wl-navh);
  font-size:14.5px;font-weight:600;color:var(--wl-gray)!important;text-decoration:none!important;
  white-space:nowrap;transition:color .2s}
.wl-menu>li>a:hover,.wl-menu>li.is-on>a{color:var(--wl-blue)!important}
.wl-menu>li.is-on>a::after{content:"";position:absolute;left:10px;right:10px;bottom:14px;
  height:2.5px;background:var(--wl-red);border-radius:2px}
.wl-menu>li.has-sub>a::before{content:"⌄";font-size:12px;color:var(--wl-muted);order:2;
  transform:translateY(-1px);transition:transform .2s}
.wl-menu>li.has-sub:hover>a::before{transform:translateY(1px)}

/* 二级 */
.wl-sub{position:absolute;top:calc(var(--wl-navh) - 6px);left:0;min-width:216px;list-style:none;
  margin:0;padding:8px;background:#fff;border:1px solid var(--wl-line);border-radius:var(--wl-r);
  box-shadow:var(--wl-sh-3);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--wl-ease),transform .22s var(--wl-ease),visibility .22s}
.wl-menu>li:hover>.wl-sub,.wl-menu>li:focus-within>.wl-sub{opacity:1;visibility:visible;transform:none}
.wl-sub a{display:block;padding:9px 14px;border-radius:var(--wl-r-sm);font-size:14.5px;
  color:var(--wl-gray)!important;text-decoration:none!important;white-space:nowrap;
  transition:background .18s,color .18s}
.wl-sub a:hover{background:var(--wl-soft-2);color:var(--wl-blue)!important}
.wl-sub a small{display:block;font-size:12px;color:var(--wl-muted);font-weight:400;margin-top:2px}

/* 导航右侧 CTA */
.wl-nav__cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.wl-nav__tel{display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:800;color:var(--wl-navy)!important;
  text-decoration:none!important;font-variant-numeric:tabular-nums;
  white-space:nowrap;padding:0 2px;transition:color .2s}
.wl-nav__tel:hover{color:var(--wl-red)!important}
.wl-nav__tel span{color:var(--wl-red);font-size:15px;line-height:1}

.wl-burger{display:none;width:44px;height:44px;border:1px solid var(--wl-line);border-radius:var(--wl-r-sm);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;padding:0;flex-direction:column;gap:4.5px}
.wl-burger i{display:block;width:19px;height:2px;background:var(--wl-navy);border-radius:2px;
  transition:transform .26s var(--wl-ease),opacity .2s}
.wl-burger.is-open i:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.wl-burger.is-open i:nth-child(2){opacity:0}
.wl-burger.is-open i:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---------- 4. Hero ---------- */
.wl-hero{position:relative;overflow:hidden;background:
  radial-gradient(1100px 520px at 82% -8%,rgba(46,124,184,.30),transparent 62%),
  radial-gradient(760px 420px at 6% 108%,rgba(209,51,43,.16),transparent 66%),
  linear-gradient(158deg,#0B2137 0%,#0E2A47 46%,#11395C 100%);
  color:#E6EEF6}
.wl-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 60% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 60% 30%,#000 0%,transparent 78%)}
.wl-hero__in{position:relative;z-index:2;max-width:var(--wl-wrap);margin:0 auto;
  padding:78px 24px 84px;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  gap:56px;align-items:center}

.wl-hero__eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:99px;
  background:rgba(209,51,43,.16);border:1px solid rgba(209,51,43,.42);
  font-size:13px;font-weight:700;color:#FFB9B4;letter-spacing:.03em;margin:0 0 22px}
.wl-hero__eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:#FF5A4F;
  box-shadow:0 0 0 4px rgba(255,90,79,.22);animation:wl-blink 2.4s ease-in-out infinite}
@keyframes wl-blink{0%,100%{opacity:1}50%{opacity:.35}}

.wl-hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.22;font-weight:800;
  letter-spacing:-.018em;margin:0 0 20px;color:#fff}
.wl-hero h1 em{font-style:normal;color:#FF8D85}
.wl-hero__lead{font-size:17px;line-height:1.82;color:#C3D5E5;margin:0 0 26px;max-width:600px}

/* Hero 能力标签 */
.wl-chips{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 32px;padding:0;list-style:none}
.wl-chips li{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:99px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  font-size:13.5px;font-weight:600;color:#DCE9F4;white-space:nowrap}
.wl-chips li::before{content:"";width:5px;height:5px;border-radius:50%;background:#5FB4EA}

/* Hero 右侧卡片 */
.wl-hero__panel{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--wl-r-lg);padding:26px 26px 22px;backdrop-filter:blur(8px)}
.wl-hero__panel h2{font-size:15px;font-weight:700;color:#9FC6E6;letter-spacing:.08em;
  text-transform:uppercase;margin:0 0 18px;padding-bottom:14px;
  border-bottom:1px solid rgba(255,255,255,.12)}
.wl-hero__spec{list-style:none;margin:0;padding:0;display:grid;gap:0}
.wl-hero__spec li{display:grid;grid-template-columns:88px minmax(0,1fr);gap:12px;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);font-size:14.5px}
.wl-hero__spec li:last-child{border-bottom:0}
.wl-hero__spec dt,.wl-hero__spec b{color:#8FB2CE;font-weight:600}
.wl-hero__spec span{color:#EAF2F9;font-weight:600}

/* ---------- 5. 栅格与卡片 ---------- */
.wl-grid{display:grid;gap:22px}
.wl-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.wl-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.wl-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.wl-card{position:relative;display:flex;flex-direction:column;padding:26px 24px;
  background:#fff;border:1px solid var(--wl-line);border-radius:var(--wl-r-lg);
  transition:transform .3s var(--wl-ease),box-shadow .3s var(--wl-ease),border-color .3s var(--wl-ease)}
.wl-card:hover{transform:translateY(-5px);box-shadow:var(--wl-sh-2);border-color:var(--wl-line-2)}
.wl-card h3{font-size:19px;line-height:1.45;font-weight:800;margin:0 0 10px;color:var(--wl-navy)}
.wl-card h3 a{color:inherit!important;text-decoration:none!important}
.wl-card h3 a:hover{color:var(--wl-blue)!important}
.wl-card p{font-size:15px;line-height:1.78;color:var(--wl-muted);margin:0 0 16px}
.wl-card p:last-child{margin-bottom:0}
.wl-card__foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--wl-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px}
.wl-card__num{position:absolute;top:20px;right:22px;font-family:var(--wl-mono);font-size:13px;
  font-weight:700;color:var(--wl-line-2);letter-spacing:.04em}
.wl-card--link{cursor:pointer}
.wl-card--accent{border-color:rgba(209,51,43,.28);background:linear-gradient(180deg,#FFF9F8 0%,#fff 42%)}
.wl-card--accent:hover{border-color:rgba(209,51,43,.5)}

.wl-card__icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;
  justify-content:center;margin:0 0 16px;background:var(--wl-soft-2);color:var(--wl-blue);font-size:21px}
.wl-card--accent .wl-card__icon{background:rgba(209,51,43,.1);color:var(--wl-red)}

/* 产品卡（带图） */
.wl-pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--wl-line);
  border-radius:var(--wl-r-lg);overflow:hidden;
  transition:transform .3s var(--wl-ease),box-shadow .3s var(--wl-ease),border-color .3s}
.wl-pcard:hover{transform:translateY(-5px);box-shadow:var(--wl-sh-2);border-color:var(--wl-line-2)}
.wl-pcard__img{position:relative;display:block;aspect-ratio:4/3;background:var(--wl-soft);
  overflow:hidden;border-bottom:1px solid var(--wl-line)}
.wl-pcard__img img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s var(--wl-ease)}
.wl-pcard:hover .wl-pcard__img img{transform:scale(1.045)}
.wl-pcard__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.wl-pcard__body h3{font-size:16.5px;line-height:1.5;font-weight:700;margin:0 0 8px;color:var(--wl-navy)}
.wl-pcard__body h3 a{color:inherit!important;text-decoration:none!important}
.wl-pcard:hover .wl-pcard__body h3 a{color:var(--wl-blue)!important}
.wl-pcard__body p{font-size:13.5px;line-height:1.7;color:var(--wl-muted);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wl-pcard__meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:6px}

/* 标签 */
.wl-tag{display:inline-block;padding:3.5px 9px;border-radius:5px;font-size:12px;font-weight:600;
  background:var(--wl-soft-2);color:var(--wl-blue);white-space:nowrap}
.wl-tag--red{background:rgba(209,51,43,.09);color:var(--wl-red)}
.wl-tag--ok{background:rgba(31,122,85,.1);color:var(--wl-ok)}
.wl-tag--gray{background:#F0F3F6;color:var(--wl-gray)}

/* ---------- 6. GEO 结论摘要块 ---------- */
.wl-summary{position:relative;padding:26px 28px 26px 30px;background:var(--wl-soft);
  border:1px solid var(--wl-line);border-left:4px solid var(--wl-red);border-radius:var(--wl-r)}
.wl-summary__label{display:block;font-size:11.5px;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--wl-red);margin:0 0 10px}
.wl-summary p{margin:0;font-size:16.5px;line-height:1.86;color:var(--wl-text)}
.wl-summary p strong{color:var(--wl-navy);font-weight:800}

/* ---------- 7. 参数表 ---------- */
.wl-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--wl-line);border-radius:var(--wl-r);background:#fff}
.wl-spec{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
.wl-spec caption{caption-side:top;text-align:left;padding:15px 18px;font-size:13px;font-weight:700;
  color:var(--wl-muted);letter-spacing:.05em;background:var(--wl-soft);border-bottom:1px solid var(--wl-line)}
.wl-spec th,.wl-spec td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--wl-line);
  vertical-align:top}
.wl-spec thead th{background:var(--wl-navy);color:#fff;font-size:13.5px;font-weight:700;
  letter-spacing:.03em;white-space:nowrap;border-bottom:0}
.wl-spec tbody th{width:31%;font-weight:700;color:var(--wl-navy);background:var(--wl-soft);white-space:nowrap}
.wl-spec tbody tr:last-child th,.wl-spec tbody tr:last-child td{border-bottom:0}
.wl-spec tbody tr:hover td{background:#FBFDFF}
.wl-spec td code{font-family:var(--wl-mono);font-size:13px;padding:2px 6px;border-radius:4px;
  background:var(--wl-soft-2);color:var(--wl-blue)}
.wl-spec td strong{color:var(--wl-navy)}

/* ---------- 8. 列表 / 要点 ---------- */
.wl-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.wl-list li{position:relative;padding-left:26px;font-size:15.5px;line-height:1.78;color:var(--wl-gray)}
.wl-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;
  border-radius:50%;background:var(--wl-blue-l)}
.wl-list--check li::before{content:"✓";top:0;width:auto;height:auto;background:none;
  color:var(--wl-ok);font-weight:800;font-size:14px}
.wl-list--x li::before{content:"✕";top:0;width:auto;height:auto;background:none;
  color:var(--wl-red);font-weight:800;font-size:13px}
.wl-list li strong{color:var(--wl-navy);font-weight:700}

/* ---------- 9. 流程步骤 ---------- */
.wl-steps{list-style:none;margin:0;padding:0;counter-reset:wlstep;display:grid;gap:0}
.wl-steps li{position:relative;padding:0 0 26px 56px;counter-increment:wlstep}
.wl-steps li::before{content:counter(wlstep,decimal-leading-zero);position:absolute;left:0;top:-2px;
  width:38px;height:38px;border-radius:50%;background:var(--wl-navy);color:#fff;
  font-family:var(--wl-mono);font-size:13px;font-weight:700;display:flex;
  align-items:center;justify-content:center}
.wl-steps li::after{content:"";position:absolute;left:18.5px;top:40px;bottom:0;width:1.5px;
  background:var(--wl-line-2)}
.wl-steps li:last-child{padding-bottom:0}
.wl-steps li:last-child::after{display:none}
.wl-steps h3{font-size:16.5px;font-weight:800;margin:4px 0 6px;color:var(--wl-navy)}
.wl-steps p{margin:0;font-size:15px;line-height:1.76;color:var(--wl-muted)}

/* ---------- 10. CTA 区块 ---------- */
.wl-cta{position:relative;overflow:hidden;background:
  radial-gradient(800px 340px at 88% 10%,rgba(46,124,184,.34),transparent 64%),
  linear-gradient(150deg,#0B2137,#0E2A47 60%,#123A5E);
  color:#fff;border-radius:var(--wl-r-lg);padding:48px 44px}
.wl-cta__in{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:40px;align-items:center}
.wl-cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.34;margin:0 0 12px;color:#fff}
.wl-cta p{font-size:15.5px;line-height:1.8;color:#BDD1E3;margin:0;max-width:640px}
.wl-cta__acts{display:flex;flex-direction:column;gap:12px;min-width:212px}

/* ---------- 11. FAQ ---------- */
.wl-faq{display:grid;gap:12px}
.wl-faq details{background:#fff;border:1px solid var(--wl-line);border-radius:var(--wl-r);
  transition:border-color .22s,box-shadow .22s}
.wl-faq details[open]{border-color:var(--wl-line-2);box-shadow:var(--wl-sh-1)}
.wl-faq summary{display:flex;align-items:flex-start;gap:13px;padding:17px 20px;cursor:pointer;
  list-style:none;font-size:16.5px;font-weight:700;line-height:1.6;color:var(--wl-navy)}
.wl-faq summary::-webkit-details-marker{display:none}
.wl-faq summary::after{content:"+";margin-left:auto;flex-shrink:0;width:22px;height:22px;
  border-radius:50%;background:var(--wl-soft-2);color:var(--wl-blue);font-weight:400;
  font-size:17px;line-height:22px;text-align:center;transition:transform .24s var(--wl-ease),background .2s}
.wl-faq details[open] summary::after{content:"−";background:var(--wl-blue);color:#fff}
.wl-faq summary .wl-q{flex-shrink:0;width:24px;height:24px;border-radius:6px;background:var(--wl-red);
  color:#fff;font-size:12.5px;font-weight:800;line-height:24px;text-align:center;margin-top:2px}
.wl-faq__a{padding:0 20px 20px 57px;font-size:15.5px;line-height:1.86;color:var(--wl-gray)}
.wl-faq__a p{margin:0 0 10px}
.wl-faq__a p:last-child{margin:0}
.wl-faq__a strong{color:var(--wl-navy)}

/* ---------- 12. 面包屑 ---------- */
.wl-crumb{padding:16px 0 0;font-size:13.5px;color:var(--wl-muted)}
.wl-crumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:7px}
.wl-crumb a{color:var(--wl-muted)!important;text-decoration:none!important}
.wl-crumb a:hover{color:var(--wl-blue)!important}
.wl-crumb li+li::before{content:"/";margin-right:7px;color:var(--wl-line-2)}
.wl-crumb li[aria-current]{color:var(--wl-gray);font-weight:600}

/* ---------- 13. 页头（内页） ---------- */
.wl-pagehead{position:relative;background:
  radial-gradient(760px 300px at 84% -10%,rgba(46,124,184,.28),transparent 62%),
  linear-gradient(150deg,#0B2137,#0E2A47 58%,#123A5E);
  color:#fff;padding:46px 0 50px}
.wl-pagehead h1{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.3;margin:0 0 14px;color:#fff}
.wl-pagehead p{font-size:16px;line-height:1.8;color:#BDD1E3;margin:0;max-width:760px}

/* ---------- 14. 数据条 ---------- */
.wl-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--wl-line);border:1px solid var(--wl-line);border-radius:var(--wl-r);overflow:hidden}
.wl-stats>div{background:#fff;padding:24px 22px}
.wl-stats b{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--wl-navy);
  line-height:1.2;font-variant-numeric:tabular-nums;margin:0 0 6px}
.wl-stats b em{font-style:normal;font-size:15px;color:var(--wl-blue);font-weight:700;margin-left:3px}
.wl-stats span{font-size:13.5px;color:var(--wl-muted);line-height:1.6}

/* ---------- 15. 双栏内容 ---------- */
.wl-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:start}
.wl-split--wide{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}
.wl-prose{font-size:16.5px;line-height:1.9;color:var(--wl-gray)}
.wl-prose h2{font-size:25px;font-weight:800;color:var(--wl-navy);margin:38px 0 15px;line-height:1.36}
.wl-prose h3{font-size:19px;font-weight:800;color:var(--wl-navy);margin:28px 0 12px;line-height:1.45}
.wl-prose p{margin:0 0 16px}
.wl-prose strong{color:var(--wl-navy);font-weight:700}
.wl-prose ul,.wl-prose ol{margin:0 0 18px;padding-left:22px}
.wl-prose li{margin-bottom:9px}
.wl-prose img{max-width:100%;height:auto;border-radius:var(--wl-r)}
.wl-prose blockquote{margin:22px 0;padding:16px 22px;background:var(--wl-soft);
  border-left:4px solid var(--wl-blue);border-radius:0 var(--wl-r) var(--wl-r) 0;
  font-size:15.5px;color:var(--wl-gray)}
.wl-prose blockquote p:last-child{margin:0}
.wl-prose table{width:100%;border-collapse:collapse;font-size:14.5px;margin:20px 0}
.wl-prose table th,.wl-prose table td{padding:10px 14px;border:1px solid var(--wl-line);text-align:left}
.wl-prose table th{background:var(--wl-soft);font-weight:700;color:var(--wl-navy)}

/* 正文内嵌卡片（内容区复用 wl-card 时保持卡片排版不被 prose 覆盖） */
.wl-prose .wl-grid{margin:24px 0 8px}
.wl-prose .wl-card{padding:24px 22px}
.wl-prose .wl-card h3{font-size:18px;line-height:1.45;margin:0 0 10px}
.wl-prose .wl-card p{font-size:14.5px;line-height:1.75;color:var(--wl-muted);margin:0}
.wl-prose .wl-card h3 a{color:var(--wl-navy)!important;text-decoration:none!important}
.wl-prose .wl-card h3 a:hover{color:var(--wl-blue)!important}

/* ---------- 16. 侧栏 ---------- */
.wl-aside{position:sticky;top:calc(var(--wl-navh) + 20px);display:grid;gap:18px}
.wl-aside__box{padding:22px;background:#fff;border:1px solid var(--wl-line);border-radius:var(--wl-r)}
.wl-aside__box h3{font-size:15.5px;font-weight:800;margin:0 0 14px;color:var(--wl-navy);
  padding-bottom:11px;border-bottom:1px solid var(--wl-line)}
.wl-aside__box ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.wl-aside__box li a{display:block;padding:8px 10px;border-radius:var(--wl-r-sm);font-size:14.5px;
  color:var(--wl-gray)!important;text-decoration:none!important;transition:background .18s,color .18s}
.wl-aside__box li a:hover{background:var(--wl-soft-2);color:var(--wl-blue)!important}
.wl-aside__box--cta{background:var(--wl-navy);border-color:var(--wl-navy);color:#DCE8F3}
.wl-aside__box--cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.16)}
.wl-aside__box--cta p{font-size:14px;line-height:1.75;margin:0 0 16px;color:#B6C9DC}

/* ---------- 17. 页脚 ---------- */
.wl-foot{background:var(--wl-ink);color:#9FB3C6;font-size:14px;line-height:1.8;padding:56px 0 0}
.wl-foot a{color:#9FB3C6!important;text-decoration:none!important;transition:color .2s}
.wl-foot a:hover{color:#fff!important}
.wl-foot__top{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:44px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.wl-foot__brand b{display:block;font-size:19px;font-weight:800;color:#fff;margin:0 0 12px;line-height:1.4}
.wl-foot__brand p{margin:0 0 10px;font-size:13.5px;line-height:1.8;color:#8296A9}
.wl-foot h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.04em}
.wl-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.wl-foot ul a{font-size:13.5px}
.wl-foot__bottom{padding:22px 0 26px;font-size:12.5px;color:#6D8296;line-height:1.9}
.wl-foot__bottom p{margin:0 0 5px}
.wl-foot__bottom a{font-size:12.5px}

/* 移动端底栏 */
.wl-mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:880;
  background:#fff;border-top:1px solid var(--wl-line);
  box-shadow:0 -3px 16px rgba(12,32,54,.1);padding-bottom:env(safe-area-inset-bottom)}
.wl-mbar__in{display:grid;grid-template-columns:repeat(3,1fr)}
.wl-mbar a,.wl-mbar button{display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;padding:9px 4px 10px;font-size:11.5px;font-weight:600;color:var(--wl-gray)!important;
  text-decoration:none!important;background:none;border:0;font-family:inherit;cursor:pointer}
.wl-mbar a+a,.wl-mbar a+button{border-left:1px solid var(--wl-line)}
.wl-mbar .is-main{background:var(--wl-red);color:#fff!important}
.wl-mbar span[aria-hidden]{font-size:16px;line-height:1}

/* ---------- 18. 动效 ---------- */
.wl-reveal{opacity:0;transform:translateY(16px);
  transition:opacity .62s var(--wl-ease),transform .62s var(--wl-ease)}
.wl-reveal.is-in{opacity:1;transform:none}
.wl-reveal[data-d="1"]{transition-delay:.08s}
.wl-reveal[data-d="2"]{transition-delay:.16s}
.wl-reveal[data-d="3"]{transition-delay:.24s}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .wl-reveal{opacity:1!important;transform:none!important;transition:none!important}
  .wl-card,.wl-pcard,.wl-btn,.wl-pcard__img img{transition:none!important}
  .wl-card:hover,.wl-pcard:hover,.wl-btn:hover{transform:none!important}
}

/* 无障碍：仅键盘可见焦点 */
.wl-btn:focus-visible,.wl-menu a:focus-visible,.wl-card a:focus-visible,
.wl-faq summary:focus-visible,.wl-burger:focus-visible{
  outline:2.5px solid var(--wl-blue-l);outline-offset:2px}

/* 打印 */
@media print{
  .wl-nav,.wl-mbar,.wl-cta,.wl-foot{display:none!important}
  .wl-card,.wl-pcard{break-inside:avoid;box-shadow:none}
}


/* ---------- 20. 产品详情页 ---------- */
.wl-pdt{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:44px;align-items:start;padding:34px 0 6px}
.wl-pdt__media{border:1px solid var(--wl-line);border-radius:var(--wl-r-lg);
  background:#fff;padding:18px;display:grid;place-items:center;min-height:280px}
.wl-pdt__media img{max-width:100%;height:auto;display:block;border-radius:var(--wl-r)}
.wl-pdt__facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}
.wl-pdt__fact{padding:13px 15px;background:var(--wl-soft);border-radius:var(--wl-r);
  font-size:13.5px;line-height:1.62;color:var(--wl-gray)}
.wl-pdt__fact b{display:block;font-size:11.5px;color:var(--wl-blue);letter-spacing:.05em;
  margin-bottom:4px;font-weight:800}

/* 深色页头内的面包屑 */
.wl-pagehead .wl-crumb{color:#A8C2D8}
.wl-pagehead .wl-crumb a{color:#A8C2D8!important}
.wl-pagehead .wl-crumb a:hover{color:#fff!important}
.wl-pagehead .wl-crumb li+li::before{color:#4E7191}
.wl-pagehead .wl-crumb li[aria-current]{color:#E2EDF6}

@media (max-width:900px){
  .wl-pdt{grid-template-columns:1fr;gap:26px;padding-top:26px}
  .wl-pdt__media{min-height:0}
}
@media (max-width:680px){
  .wl-pdt__facts{grid-template-columns:1fr;gap:8px}
}

/* ==========================================================================
   19. 响应式
   ========================================================================== */

/* 中等宽度：先收电话，再收副标题 */
@media (max-width:1330px){
  .wl-nav__tel span+*{}
  .wl-brand__txt span{display:none}
}
@media (max-width:1200px){
  .wl-nav__tel{display:none}
  .wl-menu>li>a{padding:0 8px;font-size:14px}
}

@media (max-width:1080px){
  .wl-hero__in{grid-template-columns:1fr;gap:40px;padding:60px 24px 66px}
  .wl-hero__panel{max-width:640px}
  .wl-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wl-foot__top{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  .wl-split{grid-template-columns:1fr;gap:34px}
  .wl-split--wide{grid-template-columns:1fr}
  .wl-aside{position:static}
  .wl-sec{padding:60px 0}
}

@media (max-width:920px){
  :root{--wl-navh:60px}
  .wl-nav__cta .wl-nav__tel{display:none}
  .wl-burger{display:flex}
  .wl-menu{position:fixed;top:var(--wl-navh);left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;background:#fff;
    padding:10px 16px 40px;overflow-y:auto;border-top:1px solid var(--wl-line);
    transform:translateX(100%);transition:transform .3s var(--wl-ease);z-index:899}
  .wl-menu.is-open{transform:none}
  .wl-menu>li>a{height:auto;padding:15px 6px;font-size:16px;border-bottom:1px solid var(--wl-line)}
  .wl-menu>li.is-on>a::after{display:none}
  .wl-menu>li.is-on>a{color:var(--wl-red)!important}
  .wl-menu>li.has-sub>a::before{margin-left:auto}
  .wl-sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border:0;border-radius:0;padding:2px 0 10px 14px;display:none;background:var(--wl-soft)}
  .wl-menu>li.is-expanded>.wl-sub{display:block}
  .wl-grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wl-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wl-cta{padding:36px 26px;border-radius:var(--wl-r)}
  .wl-cta__in{grid-template-columns:1fr;gap:26px}
  .wl-cta__acts{flex-direction:row;flex-wrap:wrap;min-width:0}
  .wl-faq__a{padding-left:20px}
  .wl-mbar{display:block}
  body{padding-bottom:58px}
}

@media (max-width:680px){
  body{font-size:15.5px}
  .wl-wrap{padding:0 18px}
  .wl-sec{padding:46px 0}
  .wl-sec-head{margin-bottom:28px}
  .wl-sec-head p{font-size:15.5px}
  .wl-grid--2,.wl-grid--3,.wl-grid--4{grid-template-columns:1fr;gap:16px}
  .wl-nav__cta{display:none}
  .wl-nav__in{gap:10px;padding:0 16px}
  .wl-brand__txt b{font-size:15px}
  .wl-brand__txt span{display:none}
  .wl-hero__in{padding:44px 18px 50px;gap:32px}
  .wl-hero h1{font-size:clamp(21px,6.2vw,30px)}
  .wl-hero__lead{font-size:15.5px}
  .wl-hero__panel{padding:20px}
  .wl-hero__spec li{grid-template-columns:82px minmax(0,1fr);font-size:13.5px}
  .wl-chips li{font-size:12.5px;padding:6.5px 11px}
  .wl-card{padding:20px 18px;border-radius:var(--wl-r)}
  .wl-card h3{font-size:17.5px}
  .wl-summary{padding:20px 18px 20px 20px}
  .wl-summary p{font-size:15.5px}
  .wl-stats{grid-template-columns:1fr 1fr}
  .wl-stats>div{padding:18px 16px}
  .wl-foot{padding-top:38px}
  .wl-foot__top{grid-template-columns:1fr;gap:26px;padding-bottom:28px}
  .wl-cta{padding:28px 20px}
  .wl-cta h2{font-size:20px}
  .wl-faq summary{font-size:15.5px;padding:15px 16px;gap:10px}
  .wl-faq__a{padding:0 16px 16px 16px;font-size:14.5px}
  .wl-pagehead{padding:32px 0 36px}
  .wl-actions .wl-btn{flex:1 1 100%}
  .wl-spec{font-size:14px;min-width:480px}
  .wl-spec th,.wl-spec td{padding:10px 12px}
  .wl-prose{font-size:15.5px}
  .wl-prose h2{font-size:21px}
  .wl-prose h3{font-size:17.5px}
}

/* ---------- 17. 链接型标签（分类导航 chips） ---------- */
.wl-chips--link li{padding:0;border:0;background:none}
.wl-chips--link li>a{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:99px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  font-size:13.5px;font-weight:600;color:#DCE9F4!important;text-decoration:none!important;white-space:nowrap;
  transition:background .2s,color .2s,border-color .2s}
.wl-chips--link li>a::before{content:"";width:5px;height:5px;border-radius:50%;background:#5FB4EA}
.wl-chips--link li>a:hover{background:rgba(255,255,255,.17);color:#fff!important}
.wl-chips--link li.is-on>a{background:#fff;border-color:#fff;color:var(--wl-navy)!important}
.wl-chips--link li.is-on>a::before{background:var(--wl-red)}

/* 浅色底上的链接标签 */
.wl-chips--light li>a{background:#fff;border-color:var(--wl-line-2);color:var(--wl-gray)!important}
.wl-chips--light li>a:hover{background:var(--wl-soft-2);color:var(--wl-blue)!important}
.wl-chips--light li.is-on>a{background:var(--wl-navy);border-color:var(--wl-navy);color:#fff!important}
.wl-chips--light li.is-on>a::before{background:#FF8D85}

/* ---------- 18. 空状态 ---------- */
.wl-empty{padding:48px 28px;text-align:center;background:#fff;
  border:1px dashed var(--wl-line-2);border-radius:var(--wl-r-lg)}
.wl-empty b{display:block;font-size:17px;font-weight:800;color:var(--wl-navy);margin:0 0 8px}
.wl-empty p{margin:0 auto 18px;max-width:460px;font-size:14.5px;line-height:1.78;color:var(--wl-muted)}