/* ==========================================================
   绘雅格 HUIYAGE — 汽车装饰 · 金属质感全站样式
   ========================================================== */
:root{
  --ink:#1b1f26;
  --ink-2:#2a303a;
  --steel-hi:#f5f7fa;
  --steel-mid:#c7cdd6;
  --steel-lo:#8d97a3;
  --steel-dark:#3a4250;
  --paper:#eef1f5;
  --line:#c9cfd8;
  --accent:#1f6feb;
  --accent-soft:rgba(31,111,235,.12);
  --radius:10px;
  --metal:linear-gradient(178deg,#fdfdfe 0%,#d6dbe2 34%,#aab3be 48%,#e7eaef 62%,#b9c1cb 100%);
  --metal-dark:linear-gradient(180deg,#4a5261 0%,#232830 55%,#3b4250 100%);
  --brush:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 3px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px;
}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--ink)}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- 栏目主题色（避免千篇一律的套版感） ---------- */
.c-bingsidian{--accent:#0aa2c0;--accent-soft:rgba(10,162,192,.12)}
.c-bolishui{--accent:#1f6feb;--accent-soft:rgba(31,111,235,.12)}
.c-buxiugang{--accent:#64748b;--accent-soft:rgba(100,116,139,.14)}
.c-cechuanglian{--accent:#7c5cd6;--accent-soft:rgba(124,92,214,.12)}
.c-cataban{--accent:#d97b29;--accent-soft:rgba(217,123,41,.12)}
.c-chaoxianpi{--accent:#b03a56;--accent-soft:rgba(176,58,86,.12)}
.c-chaowanjian{--accent:#d5338e;--accent-soft:rgba(213,51,142,.12)}
.c-chebiaogai{--accent:#b8860b;--accent-soft:rgba(184,134,11,.14)}
.c-chechuangshi{--accent:#0f8f7e;--accent-soft:rgba(15,143,126,.12)}
.c-chedingjia{--accent:#3f8f3f;--accent-soft:rgba(63,143,63,.12)}

/* ---------- 顶部金属导航 ---------- */
.topbar{
  background:var(--metal-dark);position:relative;z-index:50;
  box-shadow:0 2px 10px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.08);
}
.topbar::after{content:"";position:absolute;inset:0;background:var(--brush);pointer-events:none;opacity:.7}
.topbar-inner{display:flex;align-items:center;gap:26px;height:66px;position:relative;z-index:2}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand svg{height:44px;width:auto;filter:drop-shadow(0 2px 3px rgba(0,0,0,.5))}
.brand .bname{
  font-size:22px;font-weight:800;letter-spacing:4px;color:transparent;
  background:var(--metal);-webkit-background-clip:text;background-clip:text;
  text-shadow:0 1px 0 rgba(0,0,0,.4);
}
.nav{display:flex;flex-wrap:wrap;gap:2px;margin-left:auto}
.nav a{
  color:#cfd6de;font-size:14px;padding:7px 12px;border-radius:6px;letter-spacing:1px;
  border:1px solid transparent;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}
.nav a.on{
  color:#fff;background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,.04));
  border-color:rgba(255,255,255,.22);box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 1px 4px rgba(0,0,0,.4);
}
.metal-rule{
  height:4px;background:var(--metal);position:relative;overflow:hidden;
  box-shadow:0 1px 3px rgba(0,0,0,.3);
}
.metal-rule::after{
  content:"";position:absolute;top:0;bottom:0;width:38%;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  animation:sheen 6s linear infinite;opacity:.85;
}
@keyframes sheen{0%{left:-40%}100%{left:110%}}

/* ---------- 首页 Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    radial-gradient(1100px 420px at 78% -10%,rgba(255,255,255,.14),transparent 60%),
    radial-gradient(800px 380px at 12% 110%,var(--accent-soft),transparent 60%),
    linear-gradient(160deg,#262c37 0%,#161a21 55%,#1f2530 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;background:var(--brush);opacity:.5;
}
.hero-inner{position:relative;z-index:2;padding:84px 0 92px;max-width:760px}
.hero .kicker{
  display:inline-block;font-size:13px;letter-spacing:5px;color:var(--steel-mid);
  border:1px solid rgba(199,205,214,.35);padding:5px 16px;border-radius:999px;margin-bottom:22px;
  background:rgba(255,255,255,.04);
}
.hero h1{
  font-size:44px;line-height:1.28;font-weight:800;letter-spacing:2px;
  color:transparent;background:var(--metal);-webkit-background-clip:text;background-clip:text;
  filter:drop-shadow(0 3px 6px rgba(0,0,0,.55));
}
.hero h1 em{font-style:normal;color:#fff;background:none;-webkit-text-fill-color:#fff}
.hero p.sub{margin:20px 0 34px;color:#aab3be;font-size:16px;max-width:560px}
.btn{
  display:inline-block;padding:12px 30px;border-radius:8px;font-size:15px;letter-spacing:2px;
  color:#22262e;font-weight:700;background:var(--metal);
  box-shadow:0 3px 10px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.9),inset 0 -2px 4px rgba(0,0,0,.25);
  border:1px solid #76808d;transition:transform .15s,box-shadow .2s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.9)}
.btn.ghost{
  background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.03));
  color:#e7ebf0;border:1px solid rgba(255,255,255,.3);box-shadow:inset 0 1px 0 rgba(255,255,255,.15);
}
.btn.ghost:hover{border-color:rgba(255,255,255,.55)}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
.section.alt{background:
  linear-gradient(180deg,#fff 0%,#e9edf2 100%);
}
.sec-head{text-align:center;margin-bottom:42px}
.sec-head .tag{
  display:inline-block;font-size:12px;letter-spacing:4px;color:var(--steel-lo);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:4px 14px;margin-bottom:14px;
  text-transform:uppercase;
}
.sec-head h2{
  font-size:30px;letter-spacing:3px;font-weight:800;
  color:transparent;background:linear-gradient(180deg,#3a4250,#14181f 70%,#4a5261);
  -webkit-background-clip:text;background-clip:text;
}
.sec-head p{color:#5b6472;margin-top:10px;font-size:15px}

/* ---------- 栏目卡片 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:18px}
.cat-card{
  position:relative;display:block;background:#fff;border-radius:var(--radius);padding:24px 20px;
  border:1px solid var(--line);box-shadow:0 2px 6px rgba(27,31,38,.07);
  transition:transform .2s,box-shadow .25s;overflow:hidden;
}
.cat-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;
  background:var(--metal);box-shadow:1px 0 3px rgba(0,0,0,.25);
}
.cat-card:hover{transform:translateY(-5px);box-shadow:0 12px 26px rgba(27,31,38,.16)}
.cat-card .glyph{
  width:46px;height:46px;border-radius:9px;margin-bottom:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:#fff;
  background:linear-gradient(160deg,var(--accent),color-mix(in srgb,var(--accent) 55%,#14181f));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 3px 8px rgba(0,0,0,.25);
  font-family:Georgia,serif;
}
.cat-card h3{font-size:17px;letter-spacing:1px;color:var(--ink)}
.cat-card p{font-size:13px;color:#6a7381;margin-top:8px;line-height:1.6}
.cat-card .more{display:inline-block;margin-top:12px;font-size:13px;color:var(--accent)}

/* ---------- 文章卡 / 列表 ---------- */
.art-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:20px}
.art-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;
  display:flex;flex-direction:column;gap:10px;position:relative;
  transition:transform .2s,box-shadow .25s,border-color .25s;
}
.art-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(27,31,38,.13);border-color:var(--steel-lo)}
.art-card .cat-chip{
  align-self:flex-start;font-size:12px;color:var(--accent);background:var(--accent-soft);
  padding:2px 10px;border-radius:999px;letter-spacing:1px;
}
.art-card h3{font-size:17px;line-height:1.5;color:var(--ink)}
.art-card h3 a{color:inherit}
.art-card h3 a:hover{color:var(--accent)}
.art-card p{font-size:13.5px;color:#6a7381;flex:1}
.art-card .meta{font-size:12px;color:#98a1ad;display:flex;gap:14px;border-top:1px dashed var(--line);padding-top:10px}

/* 栏目列表页 */
.crumbs{font-size:13px;color:#7b8492;padding:18px 0}
.crumbs a{color:#7b8492}
.crumbs a:hover{color:var(--accent)}
.crumbs b{color:var(--ink);font-weight:600}
.cat-hero{
  position:relative;color:#fff;border-radius:14px;overflow:hidden;
  background:
    radial-gradient(700px 260px at 85% -20%,rgba(255,255,255,.14),transparent 60%),
    linear-gradient(150deg,#2b323e,#181c24);
  padding:52px 44px;margin-bottom:34px;
}
.cat-hero::after{content:"";position:absolute;inset:0;background:var(--brush);opacity:.5;pointer-events:none}
.cat-hero .inner{position:relative;z-index:2;max-width:720px}
.cat-hero h1{
  font-size:34px;letter-spacing:3px;font-weight:800;
  color:transparent;background:var(--metal);-webkit-background-clip:text;background-clip:text;
}
.cat-hero .en{font-size:12px;letter-spacing:6px;color:var(--steel-lo);margin-bottom:14px;text-transform:uppercase}
.cat-hero p{color:#aab3be;margin-top:14px;font-size:15px}
.cat-hero .stripe{
  position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:60px;
  background:linear-gradient(140deg,var(--accent),transparent 70%);opacity:.35;transform:rotate(24deg);
}
.list{display:flex;flex-direction:column;gap:14px;margin-bottom:44px}
.list-item{
  display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 22px;transition:border-color .2s,box-shadow .2s,transform .2s;
}
.list-item:hover{border-color:var(--steel-lo);box-shadow:0 8px 20px rgba(27,31,38,.1);transform:translateX(4px)}
.list-item .no{
  flex-shrink:0;width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-family:Georgia,serif;font-size:19px;font-weight:700;color:#22262e;background:var(--metal);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 2px 5px rgba(0,0,0,.25);
}
.list-item h2{font-size:16.5px;font-weight:700;line-height:1.55}
.list-item h2 a{color:var(--ink)}
.list-item h2 a:hover{color:var(--accent)}
.list-item p{font-size:13px;color:#6a7381;margin-top:6px}
.list-item .dt{font-size:12px;color:#98a1ad;margin-top:8px}

/* ---------- 文章页 ---------- */
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start;padding-bottom:60px}
.art-main{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:40px 46px;
  box-shadow:0 3px 14px rgba(27,31,38,.07);
}
.art-main h1{
  font-size:27px;line-height:1.5;letter-spacing:1px;font-weight:800;margin:14px 0 18px;
  padding-bottom:16px;border-bottom:3px solid transparent;
  border-image:linear-gradient(90deg,var(--steel-lo),transparent 70%) 3;
}
.art-info{font-size:12.5px;color:#98a1ad;display:flex;flex-wrap:wrap;gap:16px;letter-spacing:1px}
.art-info .chip{color:var(--accent);background:var(--accent-soft);padding:1px 10px;border-radius:999px}
.art-body{margin-top:26px}
.art-body p{margin:0 0 16px;color:#39404b;text-align:justify}
.art-body h2{
  font-size:19px;margin:34px 0 14px;letter-spacing:1px;position:relative;padding-left:14px;
  color:var(--ink);
}
.art-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;
  background:var(--metal);box-shadow:0 1px 3px rgba(0,0,0,.3);
}
.art-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:4px solid var(--accent);
  background:linear-gradient(90deg,var(--accent-soft),transparent 92%);
  border-radius:0 8px 8px 0;color:#4a5261;font-size:14px;
}
.faq{margin:26px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.faq dt{
  background:var(--metal);padding:11px 18px;font-weight:700;font-size:14.5px;color:#262b33;
  box-shadow:inset 0 -2px 4px rgba(0,0,0,.18),inset 0 1px 0 rgba(255,255,255,.8);
}
.faq dd{padding:13px 18px;font-size:14px;color:#4a5261;background:#fff}
.faq div{border-top:1px solid var(--line)}
.faq div:first-child{border-top:0}
.rel{
  margin-top:34px;border-top:1px dashed var(--line);padding-top:22px;
}
.rel h3{font-size:15px;letter-spacing:2px;color:var(--steel-dark);margin-bottom:12px}
.rel ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 22px}
.rel a{font-size:14px;color:#39404b}
.rel a:hover{color:var(--accent)}
.rel li{padding-left:16px;position:relative}
.rel li::before{content:"›";position:absolute;left:0;color:var(--accent);font-weight:700}

/* 侧栏 */
.side{display:flex;flex-direction:column;gap:22px;position:sticky;top:20px}
.side-box{
  background:var(--metal-dark);border-radius:12px;padding:22px 22px;color:#cfd6de;
  box-shadow:0 4px 14px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.1);position:relative;overflow:hidden;
}
.side-box::after{content:"";position:absolute;inset:0;background:var(--brush);opacity:.6;pointer-events:none}
.side-box h3{
  font-size:15px;letter-spacing:3px;margin-bottom:14px;color:transparent;position:relative;z-index:2;
  background:var(--metal);-webkit-background-clip:text;background-clip:text;
}
.side-box ul{list-style:none;position:relative;z-index:2}
.side-box li{border-bottom:1px dashed rgba(199,205,214,.2)}
.side-box li:last-child{border-bottom:0}
.side-box a{display:block;padding:8px 0;font-size:13.5px;color:#c3cad2;z-index:2;position:relative}
.side-box a:hover{color:#fff}
.side-box a.on{color:var(--accent);filter:brightness(1.5)}
.side-note{
  font-size:12px;color:var(--steel-lo);line-height:1.8;position:relative;z-index:2;margin-top:12px;
  border-top:1px dashed rgba(199,205,214,.25);padding-top:12px;
}

/* ---------- 首页特色带 / 数据 ---------- */
.feature-band{
  color:#fff;background:var(--metal-dark);position:relative;overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),inset 0 -1px 0 rgba(0,0,0,.5);
}
.feature-band::after{content:"";position:absolute;inset:0;background:var(--brush);opacity:.5;pointer-events:none}
.feature-band .wrap{position:relative;z-index:2;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:26px;padding:46px 20px}
.feat h4{
  font-size:16px;letter-spacing:2px;margin-bottom:8px;color:transparent;
  background:var(--metal);-webkit-background-clip:text;background-clip:text;
}
.feat p{font-size:13px;color:#9aa4b0}
.feat .ico{
  width:38px;height:38px;border-radius:8px;margin-bottom:12px;
  background:linear-gradient(160deg,var(--accent),#14181f);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 2px 6px rgba(0,0,0,.4);
  position:relative;
}
.feat .ico::after{
  content:"";position:absolute;inset:9px;border:2px solid rgba(255,255,255,.85);border-radius:4px;
  border-bottom-width:0;border-right-width:0;transform:rotate(45deg);
}

/* ---------- 关于 / 底部 ---------- */
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.about-grid .txt h2{font-size:26px;letter-spacing:2px;margin-bottom:16px}
.about-grid .txt p{color:#4a5261;margin-bottom:12px;text-align:justify}
.metal-panel{
  border-radius:14px;padding:34px;color:#dfe4ea;background:var(--metal-dark);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 10px 26px rgba(0,0,0,.35);position:relative;overflow:hidden;
}
.metal-panel::after{content:"";position:absolute;inset:0;background:var(--brush);opacity:.55;pointer-events:none}
.metal-panel .big{
  font-family:Georgia,serif;font-size:44px;color:transparent;position:relative;z-index:2;
  background:var(--metal);-webkit-background-clip:text;background-clip:text;
}
.metal-panel .lab{font-size:13px;letter-spacing:3px;color:#8d97a3;margin-top:4px;position:relative;z-index:2}
.metal-panel .row{display:flex;gap:30px;flex-wrap:wrap;position:relative;z-index:2}

footer{
  background:linear-gradient(180deg,#181c23,#101318);color:#8d97a3;font-size:13px;
  border-top:3px solid transparent;
  border-image:var(--metal) 3;
}
footer .flinks{display:flex;flex-wrap:wrap;gap:8px 26px;padding:30px 0 8px}
footer .flinks a{color:#98a1ad}
footer .flinks a:hover{color:#e6eaee}
footer .fmeta{padding:6px 0 30px;line-height:2}
footer .fmeta a{color:#98a1ad}
footer .fmeta a:hover{color:#e6eaee}

/* 响应式 */
@media (max-width:960px){
  .art-layout{grid-template-columns:1fr}
  .side{position:static}
  .about-grid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .art-main{padding:26px 22px}
  .nav{display:none}
  .topbar-inner{height:58px}
}
@media (max-width:560px){
  .hero-inner{padding:56px 0 64px}
  .hero h1{font-size:26px}
  .rel ul{grid-template-columns:1fr}
}