/* ==========================================================================
   河源同城电脑科技 · 前台样式  v1.2.0
   修复：Grid 1fr 被 nowrap 文本撑爆导致的横向滚动条
   适配：桌面 1440 / 笔记本 1366 / 平板 768 / 手机 390~430
   ========================================================================== */
:root{
  --brand:#0b63f6;
  --brand-2:#0ea5e9;
  --brand-dark:#083b8f;
  --accent:#ff7a18;
  --ink:#0f172a;
  --body:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --tint:#f4f7fc;
  --white:#fff;
  --ok:#0f766e;
  --warn:#b45309;
  --danger:#dc2626;
  --radius:18px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(15,23,42,.07);
  --shadow-lg:0 24px 60px rgba(15,23,42,.12);
  --container:1180px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  overflow-x:hidden;          /* 兜底：禁止整页横向滚动 */
}
body{
  margin:0;font-family:var(--font);color:var(--body);background:var(--white);
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;          /* 兜底：禁止整页横向滚动 */
  max-width:100%;
}
img,svg,video,canvas{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{color:var(--ink);line-height:1.35;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.3em}
li{margin:.35em 0}
strong{color:var(--ink)}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
:focus-visible{outline:3px solid rgba(11,99,246,.35);outline-offset:2px}

/* 长英文、价格串、型号不允许撑破容器 */
h1,h2,h3,h4,p,li,dd,dt,figcaption{overflow-wrap:break-word;word-break:normal}

.container{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;min-width:0;
}

/* 跳转链接改为顶部移出，避免 left:-9999 产生负向溢出 */
.skip-link{position:absolute;left:12px;top:-70px;background:var(--brand);color:#fff;padding:10px 16px;z-index:999;border-radius:0 0 8px 8px}
.skip-link:focus{top:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;white-space:nowrap;
  max-width:100%;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(11,99,246,.25)}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);background:#f8fbff}
.btn--light{background:#fff;color:var(--brand);box-shadow:0 10px 26px rgba(2,20,60,.18)}
.btn--light:hover{background:#f1f7ff;color:var(--brand-dark)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn--lg{padding:15px 28px;font-size:16px}
.btn--block{width:100%}
.link-arrow{font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:4px;flex:0 0 auto;white-space:nowrap}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px;min-width:0}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;min-width:0}
.logo:hover{color:var(--ink)}
.logo__mark{display:inline-flex;flex:0 0 auto}
.logo__text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.logo__text strong{font-size:17px;letter-spacing:.2px;white-space:nowrap}
.logo__text small{color:var(--muted);font-size:11.5px;margin-top:3px;white-space:nowrap}
.nav{display:flex;align-items:center;gap:4px;min-width:0}
.nav > a,.nav__drop > a{
  color:var(--ink);font-size:15px;font-weight:500;padding:10px 13px;border-radius:9px;display:inline-flex;align-items:center;gap:5px;
  white-space:nowrap;
}
.nav > a:hover,.nav__drop > a:hover{background:var(--tint);color:var(--brand)}
.nav .is-active{color:var(--brand)}
.nav-cta{margin-left:10px;color:#fff !important;padding:11px 20px !important}
.nav-cta:hover{background:var(--brand-dark) !important;color:#fff !important}
.nav__drop{position:relative}
.nav__drop > a i{font-style:normal;font-size:10px;color:var(--muted);transition:transform .2s}
.drop-panel{
  position:absolute;top:calc(100% + 10px);left:0;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;display:grid;gap:2px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:all .18s ease;
}
.nav__drop:hover .drop-panel,.nav__drop:focus-within .drop-panel{opacity:1;visibility:visible;transform:none}
.nav__drop:hover > a i{transform:rotate(180deg)}
.drop-panel a{color:var(--body);font-size:14.5px;padding:9px 12px;border-radius:8px}
.drop-panel a:hover{background:var(--tint);color:var(--brand)}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer;flex:0 0 auto}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.2s}

/* ---------- 面包屑 ---------- */
.crumbs{background:var(--tint);border-bottom:1px solid var(--line);font-size:13px}
.crumbs ol{list-style:none;margin:0;padding:11px 0;display:flex;flex-wrap:wrap;gap:6px;color:var(--muted);min-width:0}
.crumbs li{display:flex;align-items:center;gap:6px;margin:0;min-width:0}
.crumbs li span{color:#cbd5e1}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs li[aria-current]{color:var(--body);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 首页 Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 85% -10%,rgba(14,165,233,.16),transparent 65%),
    radial-gradient(700px 380px at 5% 10%,rgba(11,99,246,.12),transparent 60%),
    linear-gradient(180deg,#f5f9ff 0%,#fff 88%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(15,23,42,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(15,23,42,.04) 1px,transparent 1px);
  background-size:56px 56px;mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 75%);
}
.hero-grid{
  position:relative;display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;align-items:center;padding:64px 0 70px;min-width:0;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;margin:0 0 14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.hero h1{font-size:clamp(28px,4.1vw,46px);line-height:1.28;margin-bottom:18px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--brand);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:9px;background:rgba(11,99,246,.14);border-radius:4px;z-index:-1}
.hero-lead{font-size:16.5px;color:var(--muted);max-width:34em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--muted)}
.hero-points li{position:relative;padding-left:22px;margin:0}
.hero-points li::before{
  content:"";position:absolute;left:0;top:6px;width:13px;height:13px;border-radius:50%;
  background:rgba(11,99,246,.12);box-shadow:inset 0 0 0 1px rgba(11,99,246,.3);
}
.hero-visual{position:relative;min-width:0}
.hero-visual > img{width:100%;aspect-ratio:4/3.3;object-fit:cover;border-radius:24px;box-shadow:var(--shadow-lg)}
.hero-visual__fallback{
  aspect-ratio:4/3.3;border-radius:24px;background:linear-gradient(145deg,#0b63f6,#062a6b);
  color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;text-align:center;padding:20px;
}
.hero-visual__fallback::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 20%,rgba(255,255,255,.18),transparent 45%),radial-gradient(circle at 80% 80%,rgba(14,165,233,.35),transparent 50%);
}
.hero-visual__fallback .hv-icon{position:relative;color:#7dd3fc}
.hero-visual__fallback strong{position:relative;font-size:21px;color:#fff}
.hero-visual__fallback span{position:relative;color:#bfdbfe;font-size:13.5px;letter-spacing:.08em}
.hero-card{
  position:absolute;right:-14px;bottom:-26px;width:min(300px,84%);background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:18px 20px;box-shadow:var(--shadow-lg);
}
.hero-card__row{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:8px}
.hero-card__row .dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.15)}
.hero-card__row strong{color:var(--ok);font-size:12.5px}
.hero-card__time{margin-left:auto;color:var(--muted)}
.hero-card > p{margin:0;font-size:12px;color:var(--muted)}
.hero-card__phone{display:block;font-size:23px;font-weight:800;color:var(--ink);letter-spacing:.01em;margin:2px 0 4px;white-space:nowrap}
.hero-card__phone:hover{color:var(--brand)}
.hero-card__note{color:var(--muted);font-size:12px}

/* ---------- 信任条 ---------- */
.trust-strip{background:#fff;border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;padding:26px 0}
.trust-grid > div{text-align:center;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:2px;min-width:0}
.trust-grid > div:last-child{border-right:0}
.trust-grid strong{font-size:22px;color:var(--brand);letter-spacing:-.01em}
.trust-grid span{font-size:12.5px;color:var(--muted)}

/* ---------- 区块 ---------- */
.section{padding:72px 0}
.section--tint{background:var(--tint)}
.section--compact{padding:48px 0}
.section-head{max-width:760px;margin:0 auto 38px;text-align:center}
.section-head h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:12px}
.section-head p{color:var(--muted);margin:0}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;text-align:left;max-width:none;margin-left:0;margin-right:0}
.section-head--row .eyebrow{margin-bottom:8px}
.section-head--row h2{margin-bottom:6px}

/* ---------- 服务卡片 ---------- */
/* 关键修复：minmax(0,1fr) 允许列被压缩，卡片内部再自行截断 */
.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;min-width:0}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  display:flex;flex-direction:column;transition:all .22s ease;position:relative;min-width:0;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0ff}
.service-card__icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#eaf2ff,#dbeafe);color:var(--brand);margin-bottom:16px;flex:0 0 auto;
}
.service-card h3,.service-card h2{font-size:18px;margin-bottom:6px;line-height:1.45}
.service-card h3 a{display:inline-block;max-width:100%}
.service-card__sub{font-size:12.5px;color:var(--brand);margin-bottom:10px;font-weight:600}
.service-card__desc{color:var(--muted);font-size:14px;line-height:1.7;flex:1;margin-bottom:12px}
.service-card__price{font-size:13px;color:var(--ink);background:var(--tint);border-radius:8px;padding:8px 10px;margin:0 0 10px}
.service-card__foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line);padding-top:14px;margin-top:auto;font-size:12px;color:var(--muted);
  min-width:0;
}
/* 价格说明占剩余空间并省略，不再用 58% + nowrap 撑爆网格 */
.service-card__foot > span{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.service-card__foot .link-arrow{flex:0 0 auto}
.service-grid--full{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- 优势 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.feature{background:#fff;border-radius:var(--radius);padding:26px 24px;border:1px solid rgba(226,232,240,.8);min-width:0}
.feature__num{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--brand);opacity:.7}
.feature h3{font-size:17px;margin:12px 0 8px}
.feature p{color:var(--muted);font-size:14px;margin:0}

/* ---------- 流程 ---------- */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative;min-width:0}
.steps__num{
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:700;font-size:14px;margin-bottom:12px;
}
.steps h3{font-size:16px;margin-bottom:6px}
.steps p{color:var(--muted);font-size:13.5px;margin:0}

/* ---------- 文章卡片 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-grid--list{grid-template-columns:repeat(2,minmax(0,1fr))}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:all .2s ease;min-width:0}
.post-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.post-card__cover{
  display:flex;align-items:flex-end;min-height:132px;padding:14px 16px;color:#fff;
  position:relative;overflow:hidden;
}
.post-card__cover::after{
  content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 78% 20%,rgba(255,255,255,.28),transparent 45%);
}
.post-card__cover span{
  position:relative;z-index:1;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);
  padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:600;backdrop-filter:blur(4px);
}
.post-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;min-width:0}
.post-card__meta{font-size:11.5px;color:var(--muted);margin-bottom:7px}
.post-card h2,.post-card h3{font-size:16.5px;line-height:1.5;margin-bottom:8px}
.post-card h2 a,.post-card h3 a{color:var(--ink)}
.post-card h2 a:hover,.post-card h3 a:hover{color:var(--brand)}
.post-card__body > p{font-size:13.5px;color:var(--muted);flex:1;margin-bottom:12px}

/* ---------- 服务区域 ---------- */
.area-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.area-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:flex;flex-direction:column;gap:3px;
  transition:all .2s ease;min-width:0;
}
.area-card strong{color:var(--ink);font-size:15.5px}
.area-card span{font-size:13px;color:var(--muted)}
.area-card:hover{border-color:#bfdbfe;background:#f8fbff;transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-list{display:grid;gap:10px}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px;transition:border-color .2s}
.faq[open]{border-color:#c7dbff;box-shadow:0 6px 18px rgba(11,99,246,.06)}
.faq summary{
  cursor:pointer;list-style:none;padding:15px 30px 15px 0;font-weight:600;color:var(--ink);position:relative;font-size:15px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border-radius:50%;background:var(--tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;
}
.faq[open] summary::after{content:"−"}
.faq__body{padding:0 0 16px;color:var(--muted);font-size:14px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{background:linear-gradient(120deg,#083b8f,#0b63f6 55%,#0ea5e9);color:#fff;padding:50px 0}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,28px);margin-bottom:6px}
.cta-band p{color:#dbeafe;margin:0;font-size:14.5px}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 页头 ---------- */
.page-hero{
  background:
    radial-gradient(700px 320px at 88% 0%,rgba(14,165,233,.16),transparent 60%),
    linear-gradient(180deg,#f5f9ff,#fff);
  padding:54px 0 46px;border-bottom:1px solid var(--line);
}
.page-hero--compact{padding:44px 0 36px}
.page-hero h1{font-size:clamp(25px,3.4vw,38px);margin-bottom:10px}
.page-hero p{color:var(--muted);max-width:46em;margin:0}
.page-hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* ---------- 服务详情头 ---------- */
.service-hero{background:linear-gradient(180deg,#f5f9ff,#fff);border-bottom:1px solid var(--line);padding:50px 0 46px}
.service-hero__inner{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:36px;align-items:center}
.service-hero__icon{
  width:60px;height:60px;border-radius:16px;background:#e8f1ff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.service-hero h1{font-size:clamp(25px,3.3vw,36px);margin-bottom:6px}
.service-hero__sub{color:var(--brand);font-weight:600;font-size:15px;margin-bottom:12px}
.service-hero__desc{color:var(--muted);max-width:42em;margin-bottom:22px}
.service-hero__actions{display:flex;gap:12px;flex-wrap:wrap}
.service-hero__side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);min-width:0}
.service-hero__label{font-size:12px;color:var(--muted);letter-spacing:.1em;margin-bottom:4px}
.service-hero__price{font-size:16px;color:var(--brand-dark);font-weight:700;margin-bottom:16px;line-height:1.6}
.service-hero__side ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:13.5px;color:var(--muted)}
.service-hero__side li{position:relative;padding-left:20px}
.service-hero__side li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}

/* ---------- 两栏布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}
.article-main{min-width:0}
.sidebar{display:grid;gap:18px;position:sticky;top:92px;min-width:0}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;min-width:0}
.side-card h3{font-size:15.5px;margin-bottom:10px}
.side-card p{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.side-card--contact{background:linear-gradient(165deg,#f7fbff,#fff);border-color:#d6e6ff}
.side-card__phone{display:block;font-size:21px;font-weight:800;color:var(--ink);margin:4px 0 6px;white-space:nowrap}
.side-card__phone:hover{color:var(--brand)}
.side-card__hint{font-size:12.5px;color:var(--muted);margin-bottom:12px}
.side-card__price{color:var(--brand);font-weight:600;background:var(--tint);border-radius:8px;padding:8px 10px;font-size:12.5px}
.side-links{list-style:none;padding:0;margin:0;display:grid;gap:2px}
.side-links a{display:flex;justify-content:space-between;gap:8px;padding:9px 2px;font-size:14px;color:var(--body);border-bottom:1px dashed var(--line)}
.side-links li:last-child a{border-bottom:0}
.side-links a:hover{color:var(--brand)}
.side-links a span{color:#cbd5e1}
.side-rank{list-style:none;padding:0;margin:0;counter-reset:rank}
.side-rank li{counter-increment:rank;position:relative;padding-left:28px;margin:0;border-bottom:1px dashed var(--line)}
.side-rank li:last-child{border-bottom:0}
.side-rank li::before{
  content:counter(rank);position:absolute;left:0;top:9px;width:19px;height:19px;border-radius:5px;
  background:var(--tint);color:var(--brand);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.side-rank a{display:block;padding:9px 0;font-size:13.5px;color:var(--body);line-height:1.6}
.side-rank a:hover{color:var(--brand)}

/* ---------- 文章 ---------- */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 38px;min-width:0}
.section--article{padding-top:36px}
.article-head__meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--muted);margin-bottom:14px}
.badge{background:#e8f1ff;color:var(--brand);padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600}
.badge--warn{background:#fef3c7;color:var(--warn)}
.article-head h1{font-size:clamp(24px,3.2vw,34px);line-height:1.4;margin-bottom:14px}
.article-lead{color:var(--muted);font-size:15.5px;border-left:3px solid var(--brand);padding-left:16px;margin:0 0 6px}
.article-body{margin-top:28px;min-width:0}
.prose{font-size:15.5px;line-height:1.9;color:var(--body);min-width:0}
.prose h2{font-size:23px;margin:2em 0 .7em;padding-left:14px;position:relative;line-height:1.4}
.prose h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;background:var(--brand)}
.prose h3{font-size:18px;margin:1.6em 0 .5em;color:var(--ink)}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.4em}
.prose li{margin:.45em 0}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose strong{font-weight:700;color:var(--ink)}
.prose blockquote{margin:1.4em 0;padding:14px 18px;background:var(--tint);border-left:4px solid var(--brand);color:var(--muted);border-radius:0 10px 10px 0}
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:1.4em 0;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--tint);font-weight:700;color:var(--ink);white-space:nowrap}
.prose img{border-radius:12px;margin:1.2em 0}
.article-cta{
  margin:2.4em 0 1.4em;padding:20px 22px;border-radius:14px;background:linear-gradient(120deg,#f3f8ff,#eaf2ff);
  border:1px solid #d6e6ff;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.article-cta strong{display:block;font-size:16px;margin-bottom:3px}
.article-cta p{margin:0;font-size:13.5px;color:var(--muted);max-width:44em}
.article-nav{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:18px;font-size:13.5px}
.article-nav a{max-width:48%;display:flex;flex-direction:column;gap:3px;color:var(--body);min-width:0}
.article-nav a span{font-size:11.5px;color:var(--muted)}
.article-nav a:hover{color:var(--brand)}
.article-nav__next{text-align:right;margin-left:auto}
.faq-block{margin-top:36px}
.faq-block > h2{font-size:21px;margin-bottom:14px}
.related-block{margin-top:38px}
.related-block > h2{font-size:21px;margin-bottom:16px}
.post-list{display:grid;gap:14px}
.post-row{display:grid;grid-template-columns:136px minmax(0,1fr);gap:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;transition:box-shadow .2s}
.post-row:hover{box-shadow:var(--shadow)}
.post-row__cover{display:block;border-radius:9px;min-height:92px}
.post-row__meta{font-size:11.5px;color:var(--muted);margin-bottom:4px}
.post-row h3{font-size:15px;margin-bottom:4px;line-height:1.5}
.post-row h3 a{color:var(--ink)}
.post-row h3 a:hover{color:var(--brand)}
.post-row p{font-size:12.5px;color:var(--muted);margin:0}

/* ---------- 分类 & 分页 ---------- */
.cat-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.cat-tabs a{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--muted);white-space:nowrap}
.cat-tabs a:hover{border-color:#bfdbfe;color:var(--brand)}
.cat-tabs a.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager{display:flex;justify-content:center;gap:6px;flex-wrap:wrap;margin:34px 0 0}
.pager__item{
  min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:9px;color:var(--body);background:#fff;font-size:13.5px;
}
.pager__item:hover{border-color:var(--brand);color:var(--brand)}
.pager__item.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}
.pager__dots{color:var(--muted);align-self:center;padding:0 2px}
.empty-box{text-align:center;padding:60px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius)}

/* ---------- 联系我们 ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:34px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;min-width:0}
.contact-card__label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.contact-card__value{font-size:20px;font-weight:800;color:var(--ink);display:block;line-height:1.4;word-break:break-all}
.contact-card__value--sm{font-size:14.5px;font-weight:600}
.contact-card__note{display:block;font-size:12px;color:var(--muted);margin-top:6px}
.contact-card__copy{margin-top:8px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px 12px;font-size:12px;color:var(--brand);cursor:pointer}
.contact-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:34px;align-items:start}
.contact-form-wrap,.contact-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;min-width:0}
.contact-form-wrap h2,.contact-side h2{font-size:21px;margin-bottom:16px}
.contact-side > p{font-size:14.5px;color:var(--muted)}
.contact-points{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:9px;font-size:14px;color:var(--muted)}
.contact-points strong{color:var(--ink)}
.contact-map{background:linear-gradient(145deg,#eaf2ff,#f5f9ff);border:1px dashed #bfd4ff;border-radius:14px;padding:22px}
.contact-map__inner strong{display:block;font-size:14px;color:var(--brand-dark);margin-bottom:6px}
.contact-map__inner p{margin:0 0 6px;font-size:15px;color:var(--ink);font-weight:600}
.contact-map__inner span{font-size:12.5px;color:var(--muted)}

/* ---------- 表单 ---------- */
.form{display:grid;gap:16px;min-width:0}
.form label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;font-weight:600;color:var(--ink);min-width:0}
.form label span{color:var(--danger)}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form input,.form select,.form textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:14.5px;
  font-family:inherit;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;
}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,99,246,.12);outline:0}
.form textarea{resize:vertical;min-height:120px}
.form-note{font-size:12px;color:var(--muted);margin:0}
.form-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.alert{padding:12px 16px;border-radius:10px;font-size:14px;margin:0 0 16px;border:1px solid transparent}
.alert--success{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.alert--error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.alert--info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}
.about-prose h2{font-size:22px}
.about-prose h2::before{display:none}
.about-prose h2{padding-left:0;border-left:0}

/* ---------- 404 ---------- */
.section--404{padding:90px 0}
.error-box{text-align:center;max-width:620px}
.error-box__code{font-size:82px;font-weight:800;line-height:1;color:#dbeafe;margin:0 0 10px;letter-spacing:-.04em}
.error-box h1{font-size:26px}
.error-box p{color:var(--muted)}
.error-box__actions{display:flex;gap:12px;justify-content:center;margin-top:24px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#08152e;color:#94a3b8;font-size:13.5px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.1fr);gap:36px;padding:56px 0 40px}
.footer-col{min-width:0}
.footer-col h3{color:#e2e8f0;font-size:14px;letter-spacing:.04em;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.footer-col a{color:#94a3b8}
.footer-col a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand strong{color:#fff;font-size:16px}
.footer-col > p{color:#8fa3bd;line-height:1.8;margin-bottom:14px}
.footer-contact{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.footer-contact a{color:#cbd5e1}
.footer-contact a:hover{color:#fff}
.footer-areas{display:flex !important;flex-wrap:wrap;gap:6px 14px !important}
.footer-areas li{position:relative;padding-left:11px}
.footer-areas li::before{content:"";position:absolute;left:0;top:9px;width:4px;height:4px;border-radius:50%;background:#3b82f6}
.footer-note{font-size:12px;color:#64748b;margin-top:10px}
.footer-bottom{border-top:1px solid rgba(148,163,184,.15);padding:18px 0}
.footer-bottom .container{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;font-size:12px;color:#64748b}
.footer-bottom p{margin:0}
.footer-bottom a{color:#94a3b8}
.footer-legal{margin-left:auto}

/* ---------- 移动底栏 & 回顶 ---------- */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(15,23,42,.08)}
.mobile-bar a,.mobile-bar button{
  flex:1;text-align:center;padding:12px 4px;font-size:13px;font-weight:600;color:var(--ink);background:none;border:0;font-family:inherit;cursor:pointer;
}
.mobile-bar a:first-child{color:var(--brand)}
.mobile-bar a + a,.mobile-bar button + a{border-left:1px solid var(--line)}
.to-top{
  position:fixed;right:18px;bottom:24px;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;cursor:pointer;box-shadow:var(--shadow);opacity:0;visibility:hidden;
  transition:all .25s ease;z-index:65;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- 安装页 ---------- */
.setup-body{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 18px;
  background:radial-gradient(900px 500px at 85% 0%,rgba(14,165,233,.18),transparent 60%),linear-gradient(160deg,#f5f9ff,#eef4ff);
}
.setup-card{width:100%;max-width:620px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px 34px 28px;box-shadow:var(--shadow-lg)}
.setup-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:24px}
.setup-head h1{font-size:22px;margin-bottom:4px}
.setup-head p{color:var(--muted);font-size:13.5px;margin:0}

/* ==========================================================================
   响应式
   ========================================================================== */

/* 小笔记本 / 竖屏平板 */
@media (max-width:1100px){
  .container{padding:0 20px}
  .service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .service-grid--full{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid--list{grid-template-columns:minmax(0,1fr)}
  .contact-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
  .about-grid{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
  .footer-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:30px}
  .footer-grid .footer-col:last-child{grid-column:span 3}
  .footer-areas{display:flex !important}
}

/* 平板 / 手机横屏 */
@media (max-width:920px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;padding:40px 0 56px}
  .hero-visual{max-width:560px;margin:0 auto;width:100%}
  .hero-card{position:relative;right:auto;bottom:auto;width:100%;margin-top:14px}
  .service-hero__inner{grid-template-columns:minmax(0,1fr);gap:24px}
  .article-layout,.about-grid,.contact-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .sidebar .side-card:first-child{grid-column:span 2}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-grid > div:nth-child(2){border-right:0}
  .trust-grid > div{padding:6px 0}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .section-head--row{flex-direction:column;align-items:flex-start}
  .article{padding:26px 24px}
  .article-layout .sidebar,.about-grid .sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}

  /* 移动端导航 */
  .nav{
    position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:12px 18px 18px;gap:2px;display:none;box-shadow:var(--shadow-lg);
    max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .nav.is-open{display:flex}
  .nav > a,.nav__drop > a{padding:12px;font-size:15.5px;white-space:normal}
  .nav__drop{width:100%}
  .drop-panel{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 6px 12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));min-width:0}
  .nav-cta{margin:8px 0 0 !important;text-align:center;justify-content:center}
  .nav-toggle{display:block}

  /* 底部快捷栏 */
  .mobile-bar{display:flex}
  body{padding-bottom:60px}
  .to-top{bottom:74px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
}

/* 手机竖屏 */
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:46px 0}
  .service-grid,.service-grid--full{grid-template-columns:minmax(0,1fr)}
  .feature-grid,.steps,.post-grid{grid-template-columns:minmax(0,1fr)}
  .area-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-cards{grid-template-columns:minmax(0,1fr)}
  .sidebar,.article-layout .sidebar,.about-grid .sidebar{grid-template-columns:minmax(0,1fr)}
  .sidebar .side-card:first-child{grid-column:auto}
  .form-row{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .footer-grid .footer-col:first-child{grid-column:span 2}
  .footer-grid .footer-col:last-child{grid-column:span 2}
  .footer-legal{margin-left:0}
  .article-head h1{font-size:22px}
  .prose{font-size:15px}
  .prose h2{font-size:20px;margin-top:1.6em}
  .article-nav{flex-direction:column;gap:10px}
  .article-nav a{max-width:100%}
  .article-nav__next{text-align:left}
  .post-row{grid-template-columns:88px minmax(0,1fr)}
  .post-row__cover{min-height:72px}
  .contact-form-wrap,.contact-side{padding:22px}
  .setup-card{padding:24px 20px;border-radius:16px}
  .hero h1{font-size:clamp(24px,7vw,32px)}
  .hero h1 em{white-space:normal}
  .hero-lead{font-size:15px}
  .logo__text small{display:none}
  .header-inner{min-height:64px;gap:10px}
  .nav{top:64px;max-height:calc(100vh - 64px)}
  .crumbs li[aria-current]{max-width:190px}
  .section-head h2{font-size:22px}
  .cta-band{padding:38px 0}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 auto}
  .hero-actions .btn{flex:1 1 46%}
  .article-cta{padding:18px}
  .article-cta .btn{width:100%}
  .trust-grid strong{font-size:19px}
  .error-box__code{font-size:62px}
}

/* 小屏手机 */
@media (max-width:400px){
  .container{padding:0 14px}
  .area-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid .footer-col:first-child,.footer-grid .footer-col:last-child{grid-column:auto}
  .hero-actions .btn,.cta-band__actions .btn{flex:1 1 100%}
  .drop-panel{grid-template-columns:minmax(0,1fr)}
  .btn{padding:11px 18px;font-size:14.5px}
  .service-card{padding:20px 18px}
}

/* 减少动态效果偏好 */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}