/* ============================================================
   建站服务总览 service.css —— 壹捌玖网络科技 服务页专属样式
   布局：面包屑 Hero + 速览浮卡 / 分类锚点条 / 服务矩阵 /
   小程序公众号分屏卡 / 增长营销图标卡 / 域名服务器胶囊 /
   运维改版迁移宽卡 / 品牌清单分栏 / CTA
   ============================================================ */

/* ---------- 1. Hero（面包屑 + 右侧速览浮卡） ---------- */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  overflow:hidden;background:var(--ink);
}
.hero-bg{background-position:center 35%}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,rgba(20,20,20,.9) 0%,rgba(20,20,20,.62) 52%,rgba(20,20,20,.24) 100%),
    linear-gradient(0deg,rgba(20,20,20,.45),transparent 45%);
}
.hero-inner{position:relative;z-index:3;padding-top:130px;padding-bottom:96px;max-width:760px}
.crumb{
  display:flex;align-items:center;gap:10px;
  color:#C9C0AF;font-size:13px;margin-bottom:26px;
  opacity:0;animation:fadeUp .6s .1s ease forwards;
}
.crumb a{color:#EDE6DA}
.crumb a:hover{color:var(--coffee-bright)}
.crumb em{color:var(--coffee-bright);font-style:normal;font-weight:700}
.hero-title{
  color:#fff;font-size:clamp(38px,5.6vw,64px);font-weight:900;line-height:1.12;
  letter-spacing:-.02em;margin-bottom:22px;
}
.ht-line{display:block;overflow:hidden;opacity:0}
.ht-line:nth-child(1){animation:slideUp .75s .22s cubic-bezier(.22,.68,.4,1) forwards}
.ht-line:nth-child(2){animation:slideUp .75s .4s cubic-bezier(.22,.68,.4,1) forwards}
.ht-gold{color:var(--coffee)}
.hero-sub{color:#D8CFBF;font-size:clamp(15px,1.7vw,18px);line-height:1.9;margin-bottom:34px;opacity:0;animation:fadeUp .7s .55s ease forwards}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;opacity:0;animation:fadeUp .7s .7s ease forwards}
@keyframes slideUp{from{opacity:0;transform:translateY(44px)}to{opacity:1;transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
/* 右侧速览浮卡 */
.hero-panel{
  position:absolute;right:5%;top:50%;transform:translateY(-50%);
  z-index:3;width:300px;background:rgba(255,255,255,.96);
  border-radius:22px;padding:30px 28px;box-shadow:var(--shadow-lg);
  backdrop-filter:blur(8px);
  opacity:0;animation:fadeUp .8s .5s ease forwards;
}
.hp-row{display:flex;align-items:baseline;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
.hp-row:last-child{border-bottom:none}
.hp-row b{font-size:34px;font-weight:900;color:var(--ink);font-variant-numeric:tabular-nums}
.hp-row span{font-size:13px;color:var(--text-2);font-weight:600}
.hp-row b::after{content:"";display:block;height:3px;width:34px;background:var(--grad-coffee);border-radius:2px;margin-top:2px}
.scroll-hint{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  width:26px;height:44px;border:2px solid rgba(255,255,255,.4);border-radius:14px;
  z-index:4;display:flex;justify-content:center;padding-top:8px;
}
.scroll-hint span{width:3px;height:9px;border-radius:3px;background:#fff;animation:hintDrop 1.8s ease infinite}
@keyframes hintDrop{0%{opacity:0;transform:translateY(0)}35%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
@media (max-width:1080px){
  .hero-panel{position:static;transform:none;margin:0 auto 40px;width:min(300px,86%)}
  .hero-inner{padding-top:110px}
}
@media (max-width:640px){
  .hero{min-height:auto;padding-bottom:40px}
  .hero-cta .btn{width:100%}
  .scroll-hint{display:none}
}

/* ---------- 2. 分类锚点条 ---------- */
.sv-nav{
  position:sticky;top:var(--nav-h);z-index:40;
  background:rgba(20,20,20,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(201,168,124,.25);
}
.sv-nav-inner{display:flex;gap:6px;overflow-x:auto;padding:12px 0}
.sv-nav a{
  flex-shrink:0;padding:10px 20px;border-radius:100px;
  color:#EDE6DA;font-size:14px;font-weight:700;
  border:1px solid rgba(255,255,255,.14);
  transition:all .3s;
}
.sv-nav a:hover{background:rgba(201,168,124,.18);border-color:var(--coffee);color:#fff}
.sv-nav a.on{background:var(--grad-coffee);border-color:transparent;color:#fff}

/* ---------- 3. 服务矩阵（网站定制） ---------- */
.sv-block{background:#fff}
.sv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sv-card{
  position:relative;display:block;border-radius:20px;overflow:hidden;
  background:var(--ink);box-shadow:var(--shadow-sm);
  transition:all .45s cubic-bezier(.22,.68,.4,1);
}
.sv-card img{width:100%;height:230px;object-fit:cover;opacity:.9;transition:all .6s}
.sv-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}
.sv-card:hover img{opacity:1;transform:scale(1.07)}
.sv-card-body{
  position:absolute;left:0;right:0;bottom:0;padding:26px 24px 22px;
  background:linear-gradient(0deg,rgba(20,20,20,.95) 25%,rgba(20,20,20,.3) 68%,transparent);
  color:#fff;
}
.sv-card-body h3{color:#fff;font-size:18px;margin-bottom:6px}
.sv-card-body p{font-size:13px;color:#C9C0AF;line-height:1.75;margin-bottom:10px}
.sv-card-body span{font-size:13px;font-weight:800;color:var(--coffee-bright)}
.sv-card-body span::after{content:"→";margin-left:5px;transition:transform .3s}
.sv-card:hover .sv-card-body span::after{transform:translateX(4px)}
@media (max-width:1024px){.sv-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.sv-grid{grid-template-columns:1fr}}

/* ---------- 4. 小程序 / 公众号（分屏卡） ---------- */
.sv-dark{background:var(--ink);color:#E9E2D6}
.sv-dark .sec-title{color:#fff}
.split-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.split-card{
  position:relative;display:block;background:#fff;border-radius:22px;
  overflow:hidden;box-shadow:var(--shadow-lg);transition:all .45s;
}
.split-card:hover{transform:translateY(-8px)}
.split-card img{width:100%;height:220px;object-fit:cover;transition:transform .6s}
.split-card:hover img{transform:scale(1.06)}
.split-num{
  position:absolute;top:16px;left:20px;z-index:2;
  width:44px;height:44px;border-radius:12px;
  background:var(--grad-coffee);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:900;
}
.split-text{padding:22px 24px 26px}
.split-text h3{font-size:19px;margin-bottom:8px}
.split-text p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:12px}
.split-text span{font-size:13px;font-weight:800;color:var(--coffee-deep)}
.split-text span::after{content:"→";margin-left:5px}
@media (max-width:860px){.split-row{grid-template-columns:1fr}}

/* ---------- 5. 增长与营销（图标卡） ---------- */
.g-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.g-card{
  position:relative;display:block;background:var(--coffee-bg);
  border:1px solid var(--line);border-radius:18px;
  padding:30px 26px;overflow:hidden;transition:all .4s;
}
.g-card::before{
  content:"";position:absolute;right:-30px;bottom:-30px;
  width:110px;height:110px;border-radius:50%;
  background:rgba(201,168,124,.14);transition:transform .5s;
}
.g-card:hover{background:#fff;transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.g-card:hover::before{transform:scale(1.6)}
.g-icon{
  width:52px;height:52px;border-radius:14px;margin-bottom:18px;
  background:var(--ink);color:var(--coffee-bright);
  display:flex;align-items:center;justify-content:center;
  transition:all .4s;
}
.g-icon svg{width:26px;height:26px}
.g-card:hover .g-icon{background:var(--grad-coffee);color:#fff}
.g-card h3{font-size:17px;margin-bottom:10px}
.g-card p{font-size:13px;color:var(--text-2);line-height:1.8;margin-bottom:14px}
.g-more{font-size:13px;font-weight:800;color:var(--coffee-deep)}
.g-more::after{content:"→";margin-left:5px}
@media (max-width:1024px){.g-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.g-grid{grid-template-columns:1fr}}

/* ---------- 6. 域名 / 服务器 / 备案（浅咖胶囊） ---------- */
.sv-coffee{background:var(--coffee-bg)}
.i-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.i-card{
  position:relative;display:block;background:#fff;border-radius:16px;
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:all .4s;
}
.i-card b{display:inline-block;font-size:22px;font-weight:900;color:var(--ink);margin-bottom:12px;position:relative}
.i-card b::after{content:"";position:absolute;left:0;bottom:-6px;width:26px;height:3px;background:var(--grad-coffee);border-radius:2px}
.i-card p{font-size:13px;color:var(--text-2);line-height:1.8;margin-bottom:16px}
.i-card span{font-size:18px;font-weight:900;color:var(--coffee-deep);transition:transform .3s;display:inline-block}
.i-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.i-card:hover span{transform:translateX(6px)}
@media (max-width:1024px){.i-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.i-grid{grid-template-columns:1fr}}

/* ---------- 7. 运维 / 改版 / 迁移（宽卡） ---------- */
.m-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.m-card{
  position:relative;display:block;border-radius:20px;overflow:hidden;
  background:#fff;box-shadow:var(--shadow-sm);transition:all .45s;
  padding-bottom:24px;
}
.m-card img{width:100%;height:210px;object-fit:cover;transition:transform .6s}
.m-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}
.m-card:hover img{transform:scale(1.07)}
.m-card h3{font-size:18px;padding:20px 24px 8px}
.m-card p{font-size:13px;color:var(--text-2);line-height:1.8;padding:0 24px 14px}
.m-card span{font-size:13px;font-weight:800;color:var(--coffee-deep);padding:0 24px;display:inline-block}
.m-card span::after{content:"→";margin-left:5px}
@media (max-width:1024px){.m-row{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.m-row{grid-template-columns:1fr}}

/* ---------- 8. 品牌清单分栏 ---------- */
.why{background:linear-gradient(180deg,var(--coffee-bg) 0%,#fff 100%)}
.why-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.why-media{position:relative}
.why-media img{border-radius:24px;box-shadow:var(--shadow-lg)}
.why-stamp{
  position:absolute;right:-26px;bottom:-26px;
  width:150px;height:150px;border-radius:50%;
  background:var(--ink);color:var(--coffee-bright);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;line-height:1.4;
  box-shadow:0 18px 44px rgba(20,20,20,.35);
  text-align:center;
}
.why-list ul{margin-top:34px}
.why-list li{
  display:flex;gap:22px;padding:20px 0;
  border-bottom:1px solid var(--line);
}
.why-list li b{font-size:26px;font-weight:900;color:var(--coffee);line-height:1}
.why-list li h3{font-size:17px;margin-bottom:6px}
.why-list li p{font-size:13px;color:var(--text-2);line-height:1.8}
@media (max-width:960px){
  .why-inner{grid-template-columns:1fr;gap:44px}
  .why-stamp{right:6px;bottom:-26px}
}

/* ---------- 9. 转化 CTA ---------- */
.cta{position:relative;overflow:hidden;background:var(--ink);padding:120px 0}
.cta-bg{background-position:center 40%}
.cta-veil{position:absolute;inset:0;background:rgba(20,20,20,.8);z-index:1}
.cta-inner{position:relative;z-index:2;text-align:center}
.cta-title{color:#fff;font-size:clamp(26px,4vw,40px);font-weight:900;margin-bottom:18px}
.cta-sub{color:#D8CFBF;font-size:16px;margin-bottom:38px}
.cta-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
@media (max-width:640px){.cta-row .btn{width:100%}}