/* =========================================================
   贡康木作 GONGKANG WOODWORK — 主题主样式
   色彩体系取自品牌 VI：深原木棕 / 香槟金 / 米白
   ========================================================= */
:root{
  --ink:#2D1E16;         /* 深原木棕 */
  --ink-2:#231711;
  --ink-3:#1A110C;
  --wood:#3E2A1F;
  --gold:#C4A96B;        /* 香槟金 */
  --gold-d:#8B693C;
  --gold-l:#E0CFA6;
  --cream:#FAF7F2;
  --cream-2:#F5F0E8;
  --muted:rgba(250,247,242,.62);
  --muted-d:rgba(45,30,22,.62);
  --line:rgba(196,169,107,.28);
  --line-d:rgba(45,30,22,.14);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --shadow:0 30px 80px rgba(0,0,0,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);background:var(--ink-3);color:var(--cream);
  line-height:1.75;letter-spacing:.02em;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .3s var(--ease)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:.06em;line-height:1.28;margin:0}
p{margin:0 0 1em}
::selection{background:var(--gold);color:var(--ink-2)}

/* ---------- 版心与通用 ---------- */
.wrap{width:min(1200px,92vw);margin:0 auto;position:relative}
.sec{padding:clamp(72px,9vw,130px) 0;position:relative}
.sec--cream{background:var(--cream);color:var(--ink)}
.sec--cream .kicker{color:var(--gold-d)}
.sec--cream .sub,.sec--cream p.lead{color:var(--muted-d)}
.sec--grain{background:
    linear-gradient(rgba(26,17,12,.92),rgba(26,17,12,.92)),
    url(../images/wood-texture.jpg) center/cover fixed}
.eyebrow{display:flex;align-items:center;gap:14px;font-size:12px;letter-spacing:.42em;
  text-transform:uppercase;color:var(--gold);font-weight:600}
.eyebrow::before{content:"";width:44px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.kicker{font-size:13px;letter-spacing:.34em;color:var(--gold);text-transform:uppercase}
h2.sec-title{font-size:clamp(30px,4.4vw,52px);margin:16px 0 14px;color:var(--cream)}
.sec--cream h2.sec-title{color:var(--ink)}
.sub{color:var(--muted);max-width:640px;font-size:15px}
.num-cn{font-family:var(--serif);color:var(--gold);opacity:.55;font-size:clamp(40px,6vw,72px);line-height:1}
.rule{width:72px;height:1px;background:var(--gold);opacity:.5;margin:26px 0}

/* ---------- 顶部导航 ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:900;transition:background .45s var(--ease),box-shadow .45s,padding .45s;
  padding:22px 0}
.nav.is-stuck{background:rgba(26,17,12,.86);backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:0 1px 0 var(--line),0 18px 40px rgba(0,0,0,.35);padding:12px 0}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:baseline;gap:12px;font-family:var(--serif)}
.brand .zh{font-size:22px;letter-spacing:.22em;color:var(--cream)}
.brand .en{font-size:10px;letter-spacing:.32em;color:var(--gold);text-transform:uppercase}
.menu{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:9px 15px;font-size:14px;color:rgba(250,247,242,.78);letter-spacing:.1em;position:relative}
.menu a::after{content:"";position:absolute;left:15px;right:15px;bottom:4px;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.menu a:hover,.menu .current-menu-item a{color:var(--gold-l)}
.menu a:hover::after,.menu .current-menu-item a::after{transform:scaleX(1)}
.nav-cta{border:1px solid var(--gold);color:var(--gold)!important;padding:9px 20px!important;font-size:13px;
  letter-spacing:.2em;background:transparent}
.nav-cta:hover{background:var(--gold);color:var(--ink-2)!important}
.burger{display:none;background:none;border:0;width:38px;height:38px;cursor:pointer;position:relative;z-index:2}
.burger span{display:block;width:22px;height:1px;background:var(--cream);margin:5px auto;transition:.35s}
.burger.on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{position:relative;height:100svh;min-height:640px;display:flex;align-items:center;
  overflow:hidden;background:var(--ink-3)}
.hero__bg{position:absolute;inset:-4%;background:url(../images/hero-bg.jpg) center/cover;
  animation:kenburns 26s var(--ease) infinite alternate;will-change:transform}
@keyframes kenburns{from{transform:scale(1) translate3d(0,0,0)}
  to{transform:scale(1.14) translate3d(-1.5%,-1.5%,0)}}
.hero__veil{position:absolute;inset:0;background:
  linear-gradient(105deg,rgba(26,17,12,.94) 0%,rgba(26,17,12,.72) 42%,rgba(26,17,12,.28) 72%,
  rgba(26,17,12,.55) 100%),
  radial-gradient(120% 90% at 50% 120%,rgba(196,169,107,.14),transparent 60%)}
.hero__grain{position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.5) 0 1px,transparent 1px 3px);
  mix-blend-mode:overlay;animation:grain 8s steps(6) infinite}
@keyframes grain{0%{transform:translate(0)}20%{transform:translate(-4%,2%)}
  40%{transform:translate(3%,-3%)}60%{transform:translate(-2%,4%)}80%{transform:translate(4%,1%)}100%{transform:translate(0)}}
.hero__beam{position:absolute;top:-30%;left:55%;width:38vw;height:150%;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(196,169,107,.10),transparent);
  filter:blur(30px);animation:beam 9s ease-in-out infinite alternate}
@keyframes beam{from{transform:translateX(-6vw) rotate(8deg);opacity:.5}
  to{transform:translateX(6vw) rotate(3deg);opacity:1}}
.hero .wrap{z-index:2}
.hero__tag{display:inline-flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.5em;
  color:var(--gold);text-transform:uppercase;border:1px solid var(--line);padding:8px 18px;
  background:rgba(196,169,107,.06);backdrop-filter:blur(4px)}
.hero h1{font-size:clamp(52px,10vw,124px);letter-spacing:.14em;color:var(--cream);margin:30px 0 8px;
  text-shadow:0 8px 40px rgba(0,0,0,.45)}
.hero h1 .char{display:inline-block;opacity:0;transform:translateY(30px) rotate(4deg);
  animation:charup 1s var(--ease) forwards}
@keyframes charup{to{opacity:1;transform:none}}
.hero__slogan{font-family:var(--serif);font-size:clamp(18px,2.4vw,26px);color:var(--gold-l);
  letter-spacing:.3em;margin:14px 0 18px}
.hero__desc{max-width:520px;color:rgba(250,247,242,.72);font-size:15px}
.hero__btns{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 34px;font-size:14px;letter-spacing:.2em;
  border:1px solid var(--gold);color:var(--ink-2);background:var(--gold);position:relative;overflow:hidden;
  transition:.4s var(--ease)}
.btn span{position:relative;z-index:1}
.btn::before{content:"";position:absolute;inset:0;background:var(--cream);transform:translateY(101%);
  transition:transform .45s var(--ease)}
.btn:hover::before{transform:translateY(0)}
.btn:hover{color:var(--ink-2)}
.btn--ghost{background:transparent;color:var(--gold-l)}
.btn--ghost::before{background:var(--gold)}
.btn--ghost:hover{color:var(--ink-2)}
.hero__side{position:absolute;right:0;top:0;bottom:0;width:120px;display:flex;flex-direction:column;
  justify-content:center;align-items:center;gap:18px;z-index:2;color:rgba(250,247,242,.5);
  writing-mode:vertical-rl;letter-spacing:.4em;font-size:12px}
.hero__side::before{content:"";width:1px;height:80px;background:linear-gradient(var(--gold),transparent)}
.hero__scroll{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);z-index:2;
  color:rgba(250,247,242,.55);font-size:11px;letter-spacing:.3em;text-align:center}
.hero__scroll i{display:block;width:1px;height:52px;margin:12px auto 0;background:rgba(250,247,242,.3);
  position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;left:0;top:-52px;width:1px;height:52px;background:var(--gold);
  animation:drop 2.2s var(--ease) infinite}
@keyframes drop{0%{top:-52px}60%,100%{top:52px}}

/* ---------- 数据带 ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(196,169,107,.05)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:34px 20px;text-align:center;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:var(--serif);font-size:clamp(30px,4vw,46px);color:var(--gold);
  letter-spacing:.04em;line-height:1}
.stat b em{font-style:normal;font-size:.5em;letter-spacing:.1em}
.stat span{display:block;margin-top:10px;font-size:13px;color:var(--muted);letter-spacing:.14em}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:26px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;padding:38px 32px;border:1px solid var(--line);background:rgba(45,30,22,.5);
  overflow:hidden;transition:.5s var(--ease)}
.sec--cream .card{background:#fff;border-color:var(--line-d);box-shadow:0 12px 40px rgba(45,30,22,.07)}
.card::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease)}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:rgba(196,169,107,.55)}
.card:hover::before{transform:scaleX(1)}
.card .no{font-family:var(--serif);font-size:34px;color:var(--gold);opacity:.6;line-height:1}
.card h3{font-size:20px;margin:14px 0 10px;color:var(--cream)}
.sec--cream .card h3{color:var(--ink)}
.card p{font-size:14px;color:var(--muted);margin:0}
.sec--cream .card p{color:var(--muted-d)}

/* ---------- 图文板块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5vw,80px);align-items:center}
.media{position:relative;overflow:hidden}
.media img{transition:transform 1.1s var(--ease);width:100%}
.media:hover img{transform:scale(1.06)}
.media::after{content:"";position:absolute;inset:12px;border:1px solid rgba(250,247,242,.28);
  pointer-events:none;mix-blend-mode:overlay}
.media figcaption{position:absolute;left:0;bottom:0;padding:14px 22px;font-size:12px;letter-spacing:.2em;
  color:var(--cream);background:linear-gradient(transparent,rgba(26,17,12,.85))}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.chip{padding:8px 18px;border:1px solid var(--line-d);font-size:13px;letter-spacing:.12em;color:var(--ink)}
.sec:not(.sec--cream) .chip{border-color:var(--line);color:var(--cream)}
.chip--wood{background:var(--wood);color:var(--cream);border-color:transparent}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.price-card{padding:44px 40px;border:1px solid var(--line);background:rgba(45,30,22,.5);text-align:center;
  position:relative;overflow:hidden}
.price-card::after{content:"";position:absolute;width:220px;height:220px;right:-80px;top:-80px;
  background:radial-gradient(circle,rgba(196,169,107,.16),transparent 70%)}
.price-card b{font-family:var(--serif);font-size:clamp(34px,4.6vw,50px);color:var(--gold);display:block;
  letter-spacing:.04em}
.price-card small{display:block;margin-top:6px;color:var(--muted);font-size:14px}
.price-card h3{font-size:20px;margin:22px 0 8px;color:var(--cream)}
.note-list{list-style:none;margin:30px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0}
.note-list li{padding:26px 30px;border:1px solid var(--line);border-left:0;border-top:0;font-size:14px;
  color:var(--muted)}
.note-list li:nth-child(-n+2){border-top:1px solid var(--line)}
.note-list li:nth-child(odd){border-left:1px solid var(--line)}
.note-list b{display:block;color:var(--gold-l);font-family:var(--serif);margin-bottom:10px;font-size:16px;
  letter-spacing:.14em}
.price-foot{margin-top:34px;text-align:center;font-family:var(--serif);font-size:17px;color:var(--gold-l);
  letter-spacing:.16em}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:st}
.step{position:relative;padding:36px 30px;border:1px solid var(--line);background:rgba(45,30,22,.5);
  transition:.5s var(--ease)}
.step:hover{transform:translateY(-6px);border-color:rgba(196,169,107,.6)}
.step .no{font-family:var(--serif);font-size:44px;color:transparent;-webkit-text-stroke:1px var(--gold);
  line-height:1;opacity:.9}
.step h3{font-size:19px;margin:16px 0 8px}
.step p{font-size:14px;color:var(--muted);margin:0}
.step::after{content:"→";position:absolute;right:-22px;top:50%;transform:translateY(-50%);
  color:var(--gold);opacity:.5;font-size:18px}
.step:nth-child(3n)::after{content:""}

/* ---------- 案例 ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{position:relative;overflow:hidden;aspect-ratio:4/5;display:block}
.case img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.case:hover img{transform:scale(1.08)}
.case__veil{position:absolute;inset:0;background:linear-gradient(transparent 45%,rgba(26,17,12,.9));
  display:flex;flex-direction:column;justify-content:flex-end;padding:26px}
.case__veil h3{font-size:20px;color:var(--cream);transform:translateY(10px);opacity:.85;transition:.5s var(--ease)}
.case__veil p{font-size:13px;color:var(--muted);margin:6px 0 0;transform:translateY(10px);opacity:0;transition:.5s var(--ease) .06s}
.case:hover .case__veil h3{transform:none;opacity:1}
.case:hover .case__veil p{transform:none;opacity:1}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:26px 56px 26px 8px;position:relative;
  font-family:var(--serif);font-size:clamp(17px,2vw,21px);color:var(--cream);letter-spacing:.06em;transition:color .3s}
.faq summary::-webkit-details-marker{display:none}
.faq summary .q{color:var(--gold);margin-right:14px;font-size:.85em}
.faq summary::after{content:"";position:absolute;right:10px;top:50%;width:16px;height:1px;background:var(--gold);
  transition:transform .35s var(--ease)}
.faq summary::before{content:"";position:absolute;right:18px;top:50%;width:1px;height:16px;background:var(--gold);
  transform:translateY(-50%);transition:opacity .3s}
.faq details[open] summary::before{opacity:0}
.faq details[open] summary{color:var(--gold-l)}
.faq .a{padding:0 8px 30px;max-width:880px;color:var(--muted);font-size:15px}

/* ---------- 对比表 ---------- */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line)}
.vs__hd{padding:20px 26px;font-family:var(--serif);letter-spacing:.2em;font-size:17px;color:var(--ink-2);
  background:var(--gold)}
.vs__hd--bad{background:rgba(45,30,22,.85);color:rgba(250,247,242,.85)}
.vs__row{padding:20px 26px;border-top:1px solid var(--line);font-size:14.5px}
.vs__row.bad{color:var(--muted);background:rgba(45,30,22,.35)}
.vs__row.good{color:var(--ink);background:#fff;border-left:1px solid var(--line)}
.vs__row b{color:var(--gold-d)}

/* ---------- 联系 ---------- */
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(34px,5vw,70px);align-items:start}
.info{list-style:none;margin:26px 0 0;padding:0}
.info li{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.info .lab{width:92px;flex:0 0 auto;font-size:12px;letter-spacing:.28em;color:var(--gold);
  text-transform:uppercase;padding-top:4px}
.info .val{font-size:17px;font-family:var(--serif);letter-spacing:.05em;color:var(--cream)}
.info .val small{display:block;font-family:var(--sans);font-size:13px;color:var(--muted);margin-top:6px}
.lead-card{padding:40px 36px;border:1px solid var(--line);background:rgba(196,169,107,.06);
  position:relative}
.lead-card h3{font-size:24px;margin-bottom:8px}
.lead-card p{color:var(--muted);font-size:14px}
.lead-card .big{font-family:var(--serif);font-size:clamp(26px,3vw,34px);color:var(--gold);letter-spacing:.08em;
  margin:18px 0 4px}
.form{display:grid;gap:14px;margin-top:24px}
.form input,.form textarea,.form select{width:100%;padding:14px 16px;background:rgba(26,17,12,.6);
  border:1px solid var(--line);color:var(--cream);font-family:var(--sans);font-size:14px;letter-spacing:.05em}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--gold);background:rgba(26,17,12,.85)}
.form button{justify-content:center;cursor:pointer;width:100%}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-3);border-top:1px solid var(--line);padding:70px 0 34px;position:relative;
  overflow:hidden}
.footer::before{content:"贡";position:absolute;right:-40px;bottom:-70px;font-family:var(--serif);
  font-size:340px;color:rgba(196,169,107,.04);line-height:1;pointer-events:none}
.footer .vision{text-align:center;font-family:var(--serif);font-size:clamp(22px,3vw,32px);
  letter-spacing:.3em;color:var(--gold-l);margin-bottom:10px}
.footer .vision-en{text-align:center;font-size:11px;letter-spacing:.4em;color:rgba(196,169,107,.6);
  text-transform:uppercase;margin-bottom:44px}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px;font-size:14px;color:var(--muted)}
.footer h4{font-size:15px;color:var(--cream);letter-spacing:.2em;margin-bottom:16px}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{padding:5px 0}
.footer a:hover{color:var(--gold)}
.footer__bar{margin-top:48px;padding-top:22px;border-top:1px solid rgba(196,169,107,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;
  color:rgba(250,247,242,.4)}

/* ---------- 浮动咨询 & 回顶 ---------- */
.fab{position:fixed;right:22px;bottom:26px;z-index:800;display:flex;flex-direction:column;gap:12px}
.fab a,.fab button{width:52px;height:52px;border:1px solid var(--line);background:rgba(26,17,12,.82);
  backdrop-filter:blur(8px);color:var(--gold-l);display:flex;align-items:center;justify-content:center;
  font-size:12px;letter-spacing:.08em;cursor:pointer;transition:.35s var(--ease);text-align:center;line-height:1.3}
.fab a:hover,.fab button:hover{background:var(--gold);color:var(--ink-2);border-color:var(--gold)}
.fab .top{opacity:0;pointer-events:none;transform:translateY(8px)}
.fab .top.show{opacity:1;pointer-events:auto;transform:none}

/* ---------- 进场动效 ---------- */
.rv{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv[data-d="1"]{transition-delay:.12s}.rv[data-d="2"]{transition-delay:.24s}
.rv[data-d="3"]{transition-delay:.36s}.rv[data-d="4"]{transition-delay:.48s}
.rv-l{opacity:0;transform:translateX(-40px);transition:1s var(--ease)}
.rv-l.in{opacity:1;transform:none}
.rv-r{opacity:0;transform:translateX(40px);transition:1s var(--ease)}
.rv-r.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important}
  .rv,.rv-l,.rv-r{opacity:1;transform:none}
}

/* ---------- 文章 / 内页 ---------- */
.page-hero{padding:180px 0 90px;text-align:center;background:
  linear-gradient(rgba(26,17,12,.88),rgba(26,17,12,.88)),url(../images/wood-texture.jpg) center/cover;
  border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(32px,5vw,56px);letter-spacing:.12em}
.article{max-width:820px;margin:0 auto;padding:70px 0}
.article h1{font-size:clamp(28px,4vw,42px);line-height:1.4}
.article .meta{color:var(--muted);font-size:13px;letter-spacing:.12em;margin:18px 0 40px}
.article h2{font-size:26px;margin:44px 0 16px;padding-left:16px;border-left:3px solid var(--gold)}
.article h3{font-size:20px;margin:32px 0 12px}
.article p,.article li{color:rgba(250,247,242,.82);font-size:16px}
.article img{margin:26px 0;border:1px solid var(--line)}
.article ul,.article ol{padding-left:1.4em}
.article blockquote{margin:26px 0;padding:18px 26px;border-left:2px solid var(--gold);
  background:rgba(196,169,107,.07);color:var(--muted)}
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{border:1px solid var(--line);background:rgba(45,30,22,.5);padding:30px;transition:.4s var(--ease);
  display:flex;flex-direction:column;gap:12px}
.post-card:hover{transform:translateY(-6px);border-color:rgba(196,169,107,.55)}
.post-card h2,.post-card h3{font-size:19px;line-height:1.5;margin:0}
.post-card .meta{font-size:12px;color:var(--gold);letter-spacing:.16em}
.post-card p{font-size:14px;color:var(--muted);margin:0}
.post-card .more{color:var(--gold);font-size:13px;letter-spacing:.2em;display:inline-block;margin-top:auto}
#news .posts{margin-top:48px}
#news .news-more{margin-top:44px;text-align:center}
.pagination{display:flex;gap:10px;justify-content:center;margin:56px 0 0}
.pagination .page-numbers{padding:10px 18px;border:1px solid var(--line);font-size:14px}
.pagination .current,.pagination a:hover{background:var(--gold);color:var(--ink-2);border-color:var(--gold)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(3n)::after{content:"→"}
  .step:nth-child(2n)::after{content:""}
  .posts{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .menu{position:fixed;inset:0;background:rgba(26,17,12,.98);flex-direction:column;justify-content:center;
    gap:6px;text-align:center;transform:translateY(-100%);transition:transform .5s var(--ease);z-index:1}
  .menu.open{transform:none}
  .menu a{font-size:19px;padding:14px}
  .burger{display:block}
  .g3,.g2,.cases{grid-template-columns:1fr 1fr}
  .split,.contact,.price-grid{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .stat{border-left:0;border-top:1px solid var(--line)}
  .stat:nth-child(-n+2){border-top:0}
  .hero__side{display:none}
  .note-list{grid-template-columns:1fr}
  .note-list li{border:1px solid var(--line);border-top:0}
  .note-list li:first-child{border-top:1px solid var(--line)}
}
@media (max-width:640px){
  .g3,.g4,.steps,.posts{grid-template-columns:1fr}
  .step::after{content:""!important}
  .vs{grid-template-columns:1fr}
  .vs__row.good{border-left:0}
  .hero h1{letter-spacing:.08em}
  .fab{right:14px;bottom:16px}
}