/* ==========================================================================
   KAVORTE — simplified stylesheet (v2)
   Dark · restrained · one accent · generous whitespace · RTL-ready
   ========================================================================== */

:root{
  --bg:#0b0d10;
  --bg-2:#101317;
  --panel:#14181d;
  --panel-2:#191e24;
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);
  --text:#e9ecf1;
  --muted:#98a2b3;
  --dim:#6b7583;
  --accent:#d3a548;
  --accent-soft:rgba(211,165,72,.13);
  --ok:#5fbf8a;
  --radius:8px;
  --maxw:1120px;
  --sp:clamp(72px,9vw,124px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--text);
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;
  font-size:16.5px;line-height:1.78;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}

/* ---------- 排版 ---------- */
h1{font-size:clamp(32px,4.4vw,54px);line-height:1.14;font-weight:600;letter-spacing:-.02em}
h2{font-size:clamp(24px,2.9vw,36px);line-height:1.22;font-weight:600;letter-spacing:-.015em}
h3{font-size:19px;line-height:1.35;font-weight:600}
h4{font-size:16px;font-weight:600}
.lead{color:var(--muted);font-size:18px;margin-top:18px;max-width:640px}
.muted{color:var(--muted)}
.dim{color:var(--dim);font-size:14px}
.eyebrow{
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
  font-weight:500;margin-bottom:14px
}
section{padding:var(--sp) 0}
.sec-head{margin-bottom:44px;max-width:720px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head p{color:var(--muted);margin-top:14px;font-size:17px}
hr.sep{border:0;height:1px;background:var(--line);margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .2s,color .2s,border-color .2s;white-space:nowrap
}
.btn-a{background:var(--accent);color:#150f02}
.btn-a:hover{background:#e0b45c}
.btn-o{border-color:var(--line-2);color:var(--text)}
.btn-o:hover{border-color:var(--accent);color:var(--accent)}
.btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 顶部 ---------- */
header{
  position:sticky;top:0;z-index:50;background:rgba(11,13,16,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)
}
.nav{display:flex;align-items:center;gap:26px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.15em;font-size:16px}
.brand svg{width:28px;height:28px;flex:none}
.brand i{display:block;font-style:normal;font-size:9px;letter-spacing:.24em;color:var(--dim);font-weight:400;margin-top:-3px}
.nav nav{display:flex;gap:24px;margin-inline-start:auto;align-items:center}
.nav nav a{font-size:14.5px;color:var(--muted);transition:color .2s}
.nav nav a:hover,.nav nav a.on{color:var(--text)}
.langbox{display:flex;gap:2px;border:1px solid var(--line);border-radius:999px;padding:3px;margin-inline-start:4px}
.langbox a{font-size:11.5px;padding:4px 9px;border-radius:999px;color:var(--dim);letter-spacing:.04em;transition:.2s}
.langbox a:hover{color:var(--text)}
.langbox a.on{background:var(--accent);color:#150f02;font-weight:600}
.burger{display:none;margin-inline-start:auto;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--text);border-radius:2px}

/* ---------- Hero ---------- */
.hero{padding:clamp(70px,9vw,120px) 0 var(--sp);position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.16}
/* 首页车间循环视频：叠在静态图上，加载失败自动回退到图 */
.hero-bg video{position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.72}
@media (prefers-reduced-motion: reduce){.hero-bg video{display:none}}
/* 左暗右亮的双渐变：文字压得住，视频露得出 */
.hero-bg::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(11,13,16,.55) 0%,rgba(11,13,16,.70) 55%,var(--bg) 100%),
  linear-gradient(90deg,rgba(11,13,16,.94) 0%,rgba(11,13,16,.86) 34%,rgba(11,13,16,.34) 76%,rgba(11,13,16,.10) 100%)}
.hero .wrap{position:relative;z-index:1}
.hero h1{max-width:820px}
.hero .lead{max-width:620px}
.hero .btns{margin-top:34px}
.trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.pill{
  font-size:13px;color:var(--muted);border:1px solid var(--line);
  padding:6px 14px;border-radius:999px
}
.pill.a{color:var(--accent);border-color:rgba(211,165,72,.4)}

/* ---------- 问题卡 ---------- */
.problems{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.problem{background:var(--panel);padding:30px 28px}
.problem .q{font-size:16.5px;font-weight:600;color:var(--text);margin-bottom:10px;line-height:1.5}
.problem .a{color:var(--muted);font-size:15.5px}
.problem .n{font-size:12px;color:var(--accent);letter-spacing:.14em;font-weight:600;margin-bottom:12px}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:20px}
.grid>*{min-width:0}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:border-color .2s}
.card:hover{border-color:var(--line-2)}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:15.5px}
.card .ico{font-size:22px;margin-bottom:16px;display:block}

/* ---------- 产品 ---------- */
.pcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s}
.pcard:hover{border-color:var(--line-2)}
.pcard .ph{aspect-ratio:16/10;background:#0e1114;overflow:hidden}
.pcard .ph img{width:100%;height:100%;object-fit:cover}
.pcard .bd{padding:26px;flex:1;display:flex;flex-direction:column}
.pcard .spec{font-size:13px;color:var(--accent);letter-spacing:.03em;margin:6px 0 12px}
.pcard p{color:var(--muted);font-size:15px;flex:1}
.pcard .more{margin-top:18px;font-size:14px;color:var(--accent)}

/* ---------- 服务步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.step{background:var(--panel);padding:26px 24px}
.step .n{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.14em;margin-bottom:12px}
.step h4{margin-bottom:8px}
.step p{color:var(--muted);font-size:14.5px}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);min-width:0;max-width:100%}
table.tbl{font-size:14px;min-width:520px}
table.tbl th{
  background:rgba(211,165,72,.07);color:var(--accent);font-weight:600;text-align:start;
  padding:12px 15px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:13px
}
table.tbl td{padding:11px 15px;border-bottom:1px solid var(--line);color:var(--muted)}
table.tbl tr:last-child td{border-bottom:0}
table.tbl td strong{color:var(--text);font-weight:600}
.t-center td,.t-center th{text-align:center}
details.spec{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:0;margin-top:18px;overflow:hidden}
details.spec summary{
  cursor:pointer;padding:17px 22px;font-size:15.5px;font-weight:600;
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px
}
details.spec summary::-webkit-details-marker{display:none}
details.spec summary::after{content:"＋";color:var(--accent);font-size:18px;font-weight:400}
details.spec[open] summary::after{content:"－"}
details.spec[open] summary{border-bottom:1px solid var(--line)}
details.spec .inner{padding:20px 22px 24px}

/* ---------- 博客 ---------- */
.posts{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.post{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:border-color .2s;display:flex;flex-direction:column}
.post:hover{border-color:var(--accent)}
.post .date{font-size:12.5px;color:var(--dim);letter-spacing:.06em;margin-bottom:10px}
.post h3{margin-bottom:10px;font-size:17.5px;line-height:1.45}
.post p{color:var(--muted);font-size:15px;flex:1}
.post .more{margin-top:16px;font-size:14px;color:var(--accent)}
article.post-full{max-width:760px;margin-inline:auto}
article.post-full h2{margin:42px 0 14px;font-size:24px}
article.post-full h3{margin:30px 0 10px}
article.post-full p{color:var(--muted);margin-bottom:16px}
article.post-full ul,article.post-full ol{margin:0 0 18px;padding-inline-start:22px;color:var(--muted)}
article.post-full li{margin-bottom:9px}
article.post-full strong{color:var(--text)}
article.post-full blockquote{
  border-inline-start:2px solid var(--accent);background:var(--accent-soft);
  padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:24px 0;color:var(--text);font-size:16px
}
.post-meta{color:var(--dim);font-size:14px;margin-top:14px;padding-bottom:26px;border-bottom:1px solid var(--line)}

/* ---------- 内容块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split>*{min-width:0}
.visual{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
ul.checks{list-style:none;margin-top:22px;display:flex;flex-direction:column;gap:12px}
ul.checks li{position:relative;padding-inline-start:30px;color:var(--muted);font-size:15.5px}
ul.checks li::before{content:"✓";position:absolute;inset-inline-start:0;top:1px;color:var(--accent);font-weight:600}
ul.checks li strong{color:var(--text)}

/* ---------- CTA ---------- */
.cta{
  border:1px solid var(--line);border-radius:var(--radius);padding:52px 40px;text-align:center;
  background:var(--panel)
}
.cta h2{margin-bottom:14px}
.cta p{color:var(--muted);max-width:600px;margin:0 auto 30px}
.cta .btns{justify-content:center}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-grid>*{min-width:0}
.cinfo{display:flex;flex-direction:column;gap:20px;margin-top:26px}
.crow{display:flex;gap:14px;align-items:flex-start}
.crow .ci{font-size:17px;width:24px;flex:none}
.crow .lb{font-size:12px;letter-spacing:.12em;color:var(--dim);text-transform:uppercase}
.crow .vl{font-size:16px;margin-top:3px;word-break:break-word}
a.vl:hover{color:var(--accent)}
form{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;letter-spacing:.1em;color:var(--dim);text-transform:uppercase}
.field input,.field select,.field textarea{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 14px;color:var(--text);font-size:15px;font-family:inherit;outline:none;transition:border-color .2s
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}
.field textarea{resize:vertical;min-height:110px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.note{font-size:13px;color:var(--dim)}

/* ---------- 页头 ---------- */
.phead{padding:clamp(56px,7vw,92px) 0 44px;border-bottom:1px solid var(--line)}
.crumb{font-size:13px;color:var(--dim);margin-bottom:14px}
.crumb a:hover{color:var(--accent)}
.phead p{color:var(--muted);margin-top:16px;max-width:660px;font-size:17px}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--line);padding:52px 0 30px;margin-top:var(--sp)}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
footer h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--text);margin-bottom:14px}
footer ul{list-style:none;display:flex;flex-direction:column;gap:9px}
footer a,footer li{color:var(--muted);font-size:14.5px}
footer a:hover{color:var(--accent)}
.fbot{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--dim);font-size:13px}

/* ---------- RTL（阿拉伯语） ---------- */
[dir="rtl"] body{font-family:"Noto Naskh Arabic","Segoe UI",Tahoma,system-ui,sans-serif}
[dir="rtl"] .brand,[dir="rtl"] .eyebrow,[dir="rtl"] .pill{letter-spacing:0}
[dir="rtl"] .btn,[dir="rtl"] .nav,[dir="rtl"] .langbox{direction:rtl}
[dir="rtl"] .brand svg{transform:scaleX(-1)}

/* ---------- 真人卡片（关于页）---------- */
.person-visual{position:relative;aspect-ratio:4/3;border-radius:var(--radius);
  background:linear-gradient(150deg,var(--panel) 0%,var(--bg-2) 100%);
  border:1px solid var(--line);overflow:hidden;display:flex;align-items:center;justify-content:center}
.person-visual img{width:100%;height:100%;object-fit:cover;object-position:center 28%}
.monogram{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  width:100%;height:100%}
.monogram span{
  width:118px;height:118px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:40px;font-weight:600;letter-spacing:.06em;color:var(--accent);
  border:1.5px solid var(--accent);background:var(--accent-soft)}
.monogram em{font-style:normal;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--dim)}
.pmeta{font-size:13.5px;letter-spacing:.04em;color:var(--accent);margin:10px 0 20px;
  padding-bottom:16px;border-bottom:1px solid var(--line)}
[dir="rtl"] .pmeta{letter-spacing:0}

/* ---------- 价格参考（产品页）---------- */
.pricebox{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,3.4vw,40px)}
.plist{list-style:none;margin:22px 0 0;padding:0}
.plist li{position:relative;padding:14px 0 14px 28px;
  border-bottom:1px solid var(--line);font-size:15.5px;line-height:1.7;color:var(--muted)}
.plist li:last-child{border-bottom:0}
.plist li:before{content:"✓";position:absolute;left:0;top:14px;
  color:var(--accent);font-size:13px;line-height:1.7}
.plist strong{color:var(--text);font-weight:600}
.price-lead strong{color:var(--accent);font-weight:600;font-size:1.08em;
  padding:0 .12em;white-space:nowrap}
.price-note{margin-top:22px;padding-top:20px;border-top:1px solid var(--line-2);
  color:var(--text);font-size:15.5px}
[dir="rtl"] .plist li{padding:14px 28px 14px 0}
[dir="rtl"] .plist li:before{left:auto;right:0}

/* ---------- 车间实拍图集（关于页）---------- */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.gal figure{margin:0;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden}
.gal img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;
  transition:transform .55s ease}
.gal figure:hover img{transform:scale(1.045)}
/* 图集里的视频格（蓝色搪玻璃内腔循环） */
.gal-vid video{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;
  object-position:center 42%;transition:transform .55s ease}
.gal-vid:hover video{transform:scale(1.045)}
.gal-vid{position:relative}
.gal-vid::before{content:"";position:absolute;top:11px;left:11px;z-index:2;
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px rgba(0,0,0,.35)}
.gal figcaption{padding:11px 14px;font-size:13.5px;line-height:1.5;color:var(--muted)}
.gal-note{margin-top:20px;color:var(--dim)}

/* ---------- 悬浮 WhatsApp 按钮（全站）---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 19px;border-radius:40px;background:#1faa59;color:#fff;
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  box-shadow:0 8px 26px rgba(0,0,0,.45);
  transition:transform .2s ease,box-shadow .2s ease}
.wa-float:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(0,0,0,.58)}
.wa-float svg{flex:none}
[dir="rtl"] .wa-float{right:auto;left:20px}
.wa-hint{font-size:13px;color:var(--dim);margin-top:10px}

/* ---------- 页脚社媒图标（全站）---------- */
.social{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.social a{display:inline-flex;align-items:center;justify-content:center;
  width:37px;height:37px;border:1px solid var(--line-2);border-radius:50%;
  color:var(--muted);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease}
.social a:hover{border-color:var(--accent);color:var(--accent);
  background:var(--accent-soft);transform:translateY(-2px)}
[dir="rtl"] .social{flex-direction:row-reverse}

/* ---------- 出现动画（仅 JS 可用时） ---------- */
html.js .fx{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
html.js .fx.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .split,.contact-grid{grid-template-columns:1fr;gap:34px}
  .fgrid{grid-template-columns:1fr 1fr}
  .gal{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .gal{grid-template-columns:1fr}
  .wa-float{padding:12px;border-radius:50%}
  .wa-float span{display:none}
}
@media(max-width:820px){
  .nav nav{
    position:fixed;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);padding:8px 26px 18px;display:none
  }
  .nav nav.open{display:flex}
  .nav nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .langbox{margin:14px 0 0;align-self:flex-start}
  .burger{display:flex}
  .f2{grid-template-columns:1fr}
  body{font-size:16px}
}
@media(max-width:520px){
  .wrap{padding:0 18px}
  .fgrid{grid-template-columns:1fr}
  .cta{padding:36px 22px}
}
@media(prefers-reduced-motion:reduce){
  html.js .fx{opacity:1;transform:none;transition:none}
}