/* ==========================================================================
   CLOUBAY — Home Cinema / Projector  |  Design System
   近黑 + 纯白 + 一个高饱和橙红 —— 取自 XGIMI / Formovie / AWOL / WEMAX
   这几家投影仪独立站的实际用色习惯（黑白极简 + 单一暖色强调），
   不用渐变光晕、不用彩虹条。
   ========================================================================== */

:root{
  --ink:#111114;
  --ink-2:#18181c;
  --ink-3:#212127;
  --ink-4:#33333b;

  --brand:#d63705;          /* 实心按钮底（白字达 AA） */
  --brand-d:#b02c02;
  --brand-2:#ff4d1c;        /* 深色底上的强调文字 */
  --brand-ink:#b83004;      /* 浅色底上的强调文字 */
  --brand-soft:rgba(214,55,5,.08);

  --text:#141417;
  --muted:#63636d;
  --muted-2:#8a8a95;
  --line:#e4e4e7;
  --line-2:#f0f0f2;
  --bg:#ffffff;
  --soft:#f5f5f7;
  --soft-2:#ebebef;

  --ok:#187a4a;
  --sale:#d63705;

  --r-s:2px; --r-m:4px; --r-l:8px; --r-xl:12px;
  --sh-s:0 1px 2px rgba(17,17,20,.05),0 1px 6px rgba(17,17,20,.04);
  --sh-m:0 2px 8px rgba(17,17,20,.06),0 12px 30px -12px rgba(17,17,20,.14);
  --sh-l:0 8px 20px rgba(17,17,20,.08),0 32px 64px -28px rgba(17,17,20,.2);

  /* 正文用 Helvetica/Arial 系统栈（最通用、不挑机器、表格里也稳）；
     标题用 Poppins —— Yaber、Hisense 这类投影仪独立站实际在用的字体。
     原来的 Inter 太像 AI 生成站的默认字体，已去掉。 */
  --ff:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans","Hiragino Kaku Gothic ProN",
       "Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --fd:"Poppins","Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Kaku Gothic ProN",
       "Microsoft YaHei",sans-serif;

  --maxw:1280px;
  --head-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px}
body{
  margin:0;font-family:var(--ff);color:var(--text);background:var(--bg);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:clip;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{font-family:var(--fd);margin:0;line-height:1.2;letter-spacing:-.015em;font-weight:600;color:var(--ink)}
h1{font-size:clamp(2.05rem,3.9vw,3.3rem);font-weight:700}
h2{font-size:clamp(1.65rem,2.85vw,2.45rem);font-weight:700}
h3{font-size:clamp(1.1rem,1.5vw,1.4rem)}
h4{font-size:1.02rem}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(214,55,5,.18)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--wide{max-width:1480px}
.section{padding:92px 0}
.section--tight{padding:60px 0}
.section--soft{background:var(--soft)}
.section--dark{background:var(--ink);color:#b3bcc8}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--ink2{background:var(--ink-2);color:#b3bcc8}
.section--ink2 h2,.section--ink2 h3,.section--ink2 h4{color:#fff}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
.g6{grid-template-columns:repeat(6,1fr)}

/* ---------- bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:.72rem;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--brand-ink);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor}
.section--dark .eyebrow,.section--ink2 .eyebrow{color:var(--brand-2)}
.sec-head{max-width:740px;margin-bottom:48px}
.sec-head p{color:var(--muted);font-size:1.05rem;margin-top:15px}
.section--dark .sec-head p,.section--ink2 .sec-head p{color:#8f9aa8}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--center .eyebrow::before{display:none}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}
.lead{font-size:1.08rem;color:var(--muted)}

/* 强调短线 —— 取代原来的彩虹条 */
.laser-bar{display:block;height:2px;width:40px;background:var(--brand-2)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:5px;font-weight:600;font-size:.93rem;
  border:1px solid transparent;cursor:pointer;transition:.22s cubic-bezier(.4,0,.2,1);
  white-space:nowrap;letter-spacing:-.01em;
}
.btn svg{width:16px;height:16px;flex:none}
.btn--primary{background:var(--ink);color:#fff}
.btn--primary:hover{background:var(--ink-3)}
.btn--gold{background:var(--brand);color:#fff;font-weight:650}
.btn--gold:hover{background:var(--brand-d)}
.btn--ghost{border-color:var(--line);background:#fff;color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink)}
.btn--light{background:rgba(255,255,255,.09);color:#fff;border-color:rgba(255,255,255,.24);backdrop-filter:blur(10px)}
.btn--light:hover{background:rgba(255,255,255,.16)}
.btn--sm{padding:8px 15px;font-size:.84rem}
.btn--lg{padding:15px 30px;font-size:.98rem}
.btn--block{width:100%}

.link-arrow{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--brand-ink);font-size:.92rem}
.section--dark .link-arrow,.section--ink2 .link-arrow{color:var(--brand-2)}
.link-arrow svg{width:15px;height:15px;transition:.22s}
.link-arrow:hover svg{transform:translateX(4px)}

.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:3px;
  font-size:.71rem;font-weight:700;letter-spacing:.03em;background:var(--soft-2);color:#404a55;
  white-space:nowrap;text-transform:uppercase;
}
.pill--gold{background:var(--brand-soft);color:var(--brand-ink)}
.pill--sale{background:var(--brand-soft);color:var(--brand-ink)}
.pill--dark{background:var(--ink);color:#fff}
.pill--glass{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2)}
.pill--new{background:#111114;color:#fff}

.stars{display:inline-flex;align-items:center;gap:2px;color:#111114}
.stars svg{width:13px;height:13px}
.rating-txt{font-size:.79rem;color:var(--muted);margin-left:5px}

/* ---------- announcement + topbar ---------- */
.anno{background:var(--brand);color:#fff;font-size:.8rem}
.anno .container{display:flex;align-items:center;justify-content:center;gap:12px;height:38px;text-align:center}
.anno__rot{position:relative;overflow:hidden;height:38px;flex:1;max-width:760px}
.anno__rot span{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:8px;
  opacity:0;transition:opacity .5s;
}
.anno__rot span.on{opacity:1}
.anno strong{color:#fff;text-decoration:underline;text-underline-offset:3px}
.anno a{text-decoration:underline;text-underline-offset:3px}

.topbar{background:var(--ink);color:#9a9aa4;font-size:.78rem}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:36px;gap:20px}
.topbar__l,.topbar__r{display:flex;align-items:center;gap:20px}
.topbar svg{width:14px;height:14px;opacity:.75}
.topbar__item{display:inline-flex;align-items:center;gap:6px}
.langnav{display:inline-flex;align-items:center;gap:7px}
.langnav svg{width:14px;height:14px;opacity:.7}
.langnav a{opacity:.72}
.langnav a:hover{color:#fff;opacity:1}
.langnav a.on{color:#fff;opacity:1;font-weight:600}
.langnav a+a::before{content:"·";margin-right:7px;opacity:.5}
.topbar a:hover{color:#fff}
.topbar select{
  background:transparent;border:0;color:#9a9aa4;font-size:.78rem;cursor:pointer;padding:0 2px;
}
.topbar select option{color:#15171d}

/* ---------- header ---------- */
.head{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.head__in{display:flex;align-items:center;gap:26px;height:var(--head-h);position:relative}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand__mark{flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1}
.brand__name{font-family:var(--fd);font-weight:700;font-size:1.2rem;letter-spacing:.04em;color:var(--ink)}
.brand__sub{font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted-2);margin-top:4px}
.head--dark .brand__name{color:#fff}
.head--dark .brand__sub{color:#8d97a4}

.nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav__item{position:static}
.nav__link{
  display:inline-flex;align-items:center;gap:5px;padding:11px 12px;font-size:.92rem;font-weight:600;
  color:#2c333d;border-radius:5px;transition:.18s;letter-spacing:-.01em;white-space:nowrap;
}
.nav__link svg{width:13px;height:13px;transition:.22s;opacity:.6}
.nav__link:hover{color:var(--ink);background:var(--soft)}
.nav__item:hover .nav__link svg{transform:rotate(180deg)}
.nav__link--hot{color:var(--sale)}

.head__actions{margin-left:auto;display:flex;align-items:center;gap:6px}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:5px;color:#39414c;transition:.18s;background:transparent;border:0;cursor:pointer;position:relative;
}
.icon-btn:hover{background:var(--soft);color:var(--ink)}
.icon-btn svg{width:19px;height:19px}
.icon-btn__dot{
  position:absolute;top:5px;right:4px;min-width:16px;height:16px;border-radius:9px;background:var(--ink);
  color:#fff;font-size:.63rem;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 4px;
}
.head__cta{margin-left:8px}
.burger{display:none}

/* mega menu */
.mega{
  position:absolute;top:calc(100% + 9px);left:0;right:0;transform:translateY(10px);
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-l);padding:26px;opacity:0;visibility:hidden;transition:.2s;z-index:90;
}
.nav__item:hover .mega{opacity:1;visibility:visible;transform:none}
.mega--narrow{left:auto;right:auto;width:min(780px,92vw)}
.mega::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.mega__grid{display:grid;grid-template-columns:1.1fr 1.1fr 1.1fr .95fr;gap:26px;align-items:start}
.mega__col h5{font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px;font-family:var(--ff);font-weight:700}
.mega__link{display:flex;gap:11px;padding:8px;border-radius:7px;transition:.16s;align-items:flex-start}
.mega__link:hover{background:var(--soft)}
.mega__link img{width:52px;height:40px;object-fit:contain;flex:none;border-radius:4px;background:#fff;border:1px solid var(--line-2)}
.mega__link svg{width:19px;height:19px;color:var(--ink);flex:none;margin-top:2px}
.mega__link b{display:block;font-size:.88rem;font-weight:650;color:var(--ink);letter-spacing:-.01em}
.mega__link span{display:block;font-size:.76rem;color:var(--muted);line-height:1.4}
.mega__promo{background:var(--ink);border-radius:10px;padding:20px;color:#b3bcc8;display:flex;flex-direction:column;gap:10px}
.mega__promo b{color:#fff;font-family:var(--fd);font-size:1.02rem}
.mega__promo p{font-size:.8rem;line-height:1.5;color:#8f9aa8}
.mega__promo img{border-radius:6px;margin-top:auto;max-height:150px;object-fit:contain;background:#fff;padding:6px}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#c3ccd8;overflow:hidden}

.hero__in{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center;padding:64px 0 72px;min-height:540px}
.hero h1{color:#fff;font-size:clamp(2.1rem,3.8vw,3.2rem);letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--brand-2)}
.hero__sub{font-size:1.08rem;color:#98a3b1;margin:22px 0 30px;max-width:520px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.hero__specs{display:flex;gap:34px;flex-wrap:wrap;padding-top:26px;border-top:1px solid rgba(255,255,255,.11)}
.hero__spec b{display:block;font-family:var(--fd);font-size:1.45rem;font-weight:600;color:#fff;letter-spacing:-.01em}
.hero__spec span{font-size:.76rem;color:#7f8b99;letter-spacing:.06em;text-transform:uppercase}
.hero__art{position:relative}
.hero__panel{
  background:#fff;border-radius:10px;padding:38px;position:relative;overflow:hidden;
}
.hero__panel img{width:auto;max-width:100%;max-height:360px;margin:0 auto}
.hero__tag{
  position:absolute;background:rgba(17,19,25,.82);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(10px);border-radius:8px;padding:9px 13px;font-size:.79rem;color:#e7ecf2;
  display:flex;align-items:center;gap:8px;box-shadow:var(--sh-m);
}
.hero__tag svg{width:15px;height:15px;color:var(--brand-2)}
.hero__tag--1{top:9%;left:-5%}
.hero__tag--2{bottom:9%;right:-4%}
.hero__badge{display:inline-flex;align-items:center;gap:10px;margin-bottom:20px}

/* ---------- trust bar ---------- */
.trust{border-bottom:1px solid var(--line);background:#fff}
.trust__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust__i{display:flex;align-items:center;gap:12px;padding:22px 24px;border-right:1px solid var(--line-2)}
.trust__i:last-child{border-right:0}
.trust__i svg{width:22px;height:22px;color:var(--ink);flex:none}
.trust__i b{display:block;font-size:.88rem;color:var(--ink);letter-spacing:-.01em}
.trust__i span{font-size:.77rem;color:var(--muted)}

/* ---------- category cards ---------- */
.cat{
  position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;
  display:flex;flex-direction:column;transition:.24s;
}
.cat:hover{border-color:var(--ink);box-shadow:var(--sh-s)}
.cat__img{aspect-ratio:4/3;background:#fff;border-bottom:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;padding:20px}
.cat__img img{width:100%;height:100%;object-fit:contain}
.cat__b{padding:20px 22px 24px}
.cat__b h3{margin-bottom:7px;font-size:1.18rem}
.cat__b p{font-size:.86rem;color:var(--muted);margin-bottom:14px;min-height:44px}
.cat__meta{font-size:.78rem;color:var(--muted-2);margin-bottom:12px}

/* ---------- product card ---------- */
.pcard{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;transition:.24s;
}
.pcard:hover{border-color:var(--ink);box-shadow:var(--sh-s)}
.pcard__media{
  position:relative;aspect-ratio:1/1;background:#fff;border-bottom:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;padding:16px;
}
.pcard__media img{width:100%;height:100%;object-fit:contain;transition:.35s}
.pcard__media img.alt{position:absolute;inset:16px;width:auto;height:auto;opacity:0}
.pcard:hover .pcard__media img.main{opacity:0}
.pcard:hover .pcard__media img.alt{opacity:1}
.pcard__badges{position:absolute;top:11px;left:11px;display:flex;flex-direction:column;gap:6px;z-index:2}
.pcard__wish{position:absolute;top:11px;right:11px;width:32px;height:32px;border-radius:50%;background:#fff;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:#8d97a4;z-index:2;transition:.18s}
.pcard__wish:hover{color:var(--sale);border-color:var(--sale)}
.pcard__wish svg{width:15px;height:15px}
.pcard__b{padding:16px 17px 18px;display:flex;flex-direction:column;flex:1}
.pcard__cat{font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted-2);font-weight:700;margin-bottom:7px}
.pcard__t{font-size:.96rem;font-weight:650;letter-spacing:-.015em;color:var(--ink);line-height:1.35;margin-bottom:9px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.pcard__spec{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px}
.pcard__spec span{font-size:.71rem;color:#4b535e;background:var(--soft-2);border-radius:3px;padding:3px 7px}
.pcard__foot{margin-top:auto}
.pcard__price{display:flex;align-items:baseline;gap:9px;margin-bottom:12px}
.pcard__price b{font-family:var(--fd);font-size:1.2rem;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.pcard__price del{font-size:.85rem;color:var(--muted-2)}
.pcard__price .save{font-size:.74rem;font-weight:700;color:var(--sale)}
.pcard__btns{display:flex;gap:8px}
.pcard__btns .btn{flex:1}

/* rail (横向滚动) */
.rail{display:flex;gap:22px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{height:5px}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.rail>*{flex:0 0 min(300px,78vw);scroll-snap-align:start}

/* ---------- filters ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.chip{
  padding:8px 15px;border:1px solid var(--line);border-radius:40px;font-size:.85rem;font-weight:600;
  background:#fff;color:#39414c;cursor:pointer;transition:.18s;white-space:nowrap;
}
.chip:hover{border-color:var(--ink-4)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.filters__count{margin-left:auto;font-size:.85rem;color:var(--muted)}
.filters select{padding:8px 12px;border:1px solid var(--line);border-radius:5px;background:#fff;font-size:.85rem;cursor:pointer}

/* ---------- scene ---------- */
.scene{position:relative;border-radius:12px;overflow:hidden;background:var(--ink-2);min-height:250px;display:flex;
  align-items:flex-end;padding:22px;color:#fff;transition:.26s;border:1px solid rgba(255,255,255,.08)}
.scene:hover{transform:translateY(-2px);border-color:rgba(255,77,28,.55)}
.scene__bg{position:absolute;inset:0;opacity:.42;object-fit:cover;width:100%;height:100%}
.scene::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(8,9,12,.9))}
.scene__b{position:relative;z-index:2}
.scene__b h4{font-family:var(--fd);font-size:1.1rem;margin-bottom:5px;color:#fff}
.scene__b p{font-size:.81rem;color:#a9b3bf;margin:0}

/* ---------- tech / feature ---------- */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feat--rev .feat__art{order:-1}
.feat__art{border-radius:10px;overflow:hidden;background:#fff;padding:30px;position:relative}
.feat__list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.feat__li{display:flex;gap:14px}
.feat__li svg{width:21px;height:21px;color:var(--brand-2);flex:none;margin-top:3px}
.feat__li b{display:block;color:#fff;font-size:.98rem;margin-bottom:3px}
.feat__li p{font-size:.88rem;color:#8f9aa8;margin:0;line-height:1.6}

.icard{border:1px solid var(--line);border-radius:10px;padding:24px;background:#fff;transition:.22s}
.icard:hover{border-color:var(--ink)}
.icard svg{width:24px;height:24px;color:var(--ink);margin-bottom:14px}
.icard h4{margin-bottom:8px}
.icard p{font-size:.88rem;color:var(--muted);margin:0}
.section--dark .icard,.section--ink2 .icard{background:var(--ink-3);border-color:rgba(255,255,255,.09)}
.section--dark .icard p,.section--ink2 .icard p{color:#8f9aa8}
.section--dark .icard svg,.section--ink2 .icard svg{color:var(--brand-2)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:10px;overflow:hidden}
.stat{background:var(--ink);padding:28px 24px;text-align:center}
.stat b{display:block;font-family:var(--fd);font-size:clamp(1.6rem,2.5vw,2.2rem);font-weight:600;color:#fff;letter-spacing:-.015em}
.stat b i{font-style:normal;color:var(--brand-2)}
.stat span{font-size:.79rem;color:#8f9aa8;letter-spacing:.05em;text-transform:uppercase}

/* ---------- compare table ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
table.spec{width:100%;border-collapse:collapse;font-size:.88rem;min-width:720px}
table.spec th,table.spec td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
table.spec thead th{background:var(--soft);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:#4b535e;font-weight:700;white-space:nowrap}
table.spec thead th.cmp-h{text-transform:none;letter-spacing:-.01em;font-size:.86rem;white-space:normal;min-width:170px;color:var(--ink);text-align:center}
table.spec thead th.cmp-h b{display:block;font-weight:650;line-height:1.35;margin-bottom:3px}
table.spec thead th.cmp-h span{color:var(--brand-ink);font-weight:700}
table.spec tbody th{font-weight:600;color:var(--ink);width:190px;background:#fdfdfc}
table.spec tr:last-child td,table.spec tr:last-child th{border-bottom:0}
table.spec td.hi{color:var(--ink);font-weight:650}
.cmp-img{width:110px;height:80px;object-fit:contain;margin:0 auto 10px}

/* ---------- reviews ---------- */
.rev{border:1px solid var(--line);border-radius:10px;padding:24px;background:#fff;display:flex;flex-direction:column;gap:12px}
.rev p{font-size:.93rem;color:#39414c;line-height:1.65;margin:0}
.rev__who{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line-2)}
.rev__av{width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;
  justify-content:center;font-weight:600;font-size:.82rem;flex:none;font-family:var(--fd)}
.rev__who b{display:block;font-size:.86rem}
.rev__who span{font-size:.76rem;color:var(--muted)}
.rev__verified{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;color:var(--ok);font-weight:600}
.rev__verified svg{width:12px;height:12px}

/* ---------- press logos ---------- */
.press{display:flex;align-items:center;justify-content:center;gap:44px;flex-wrap:wrap;opacity:.65}
.press span{font-family:var(--fd);font-weight:600;font-size:.98rem;letter-spacing:.02em;color:#6f7a86}
.section--dark .press span{color:#8f9aa8}

/* ---------- blog ---------- */
.post{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;transition:.22s}
.post:hover{border-color:var(--ink)}
.post img{aspect-ratio:16/10;object-fit:cover;width:100%}
.post__b{padding:18px 20px 22px}
.post__meta{font-size:.74rem;color:var(--muted-2);letter-spacing:.08em;text-transform:uppercase;margin-bottom:9px}
.post h4{font-size:1.02rem;line-height:1.35;margin-bottom:9px}
.post p{font-size:.86rem;color:var(--muted);margin:0}

/* ---------- product detail ---------- */
.crumbs{font-size:.8rem;color:var(--muted);padding:16px 0}
.crumbs a:hover{color:var(--ink)}
.crumbs span{margin:0 7px;color:var(--line)}
.pdp{display:grid;grid-template-columns:1.15fr 1fr;gap:52px;align-items:start;padding-bottom:64px}
.gal__main{background:#fff;border-radius:12px;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:34px;border:1px solid var(--line)}
.gal__main img{max-height:100%;object-fit:contain}
.gal__thumbs{display:flex;gap:10px;margin-top:12px}
.gal__thumbs button{width:76px;height:76px;border-radius:7px;border:1px solid var(--line);background:#fff;
  padding:7px;cursor:pointer;transition:.18s}
.gal__thumbs button.on{border-color:var(--ink)}
.gal__thumbs img{width:100%;height:100%;object-fit:contain}
.pdp__title{font-size:clamp(1.5rem,2.4vw,2rem);margin:10px 0 12px}
.pdp__price{display:flex;align-items:baseline;gap:12px;margin:18px 0}
.pdp__price b{font-family:var(--fd);font-size:1.9rem;font-weight:600;letter-spacing:-.015em}
.pdp__price del{color:var(--muted-2)}
.pdp__opt{margin:22px 0}
.pdp__opt h5{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;font-family:var(--ff)}
.pdp__opt .chip{border-radius:5px}
.pdp__buy{display:flex;flex-direction:column;gap:10px;margin:24px 0}
.pdp__bullets{display:flex;flex-direction:column;gap:9px;margin:22px 0;padding:20px;background:var(--soft);border-radius:10px}
.pdp__bullets li{display:flex;gap:10px;font-size:.9rem;color:#39414c;align-items:flex-start}
.pdp__bullets svg{width:16px;height:16px;color:var(--ok);flex:none;margin-top:4px}
.pdp__serv{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
.pdp__serv div{display:flex;gap:9px;font-size:.82rem;color:#4b535e;align-items:flex-start}
.pdp__serv svg{width:16px;height:16px;color:var(--ink);flex:none;margin-top:2px}
.pdp__stock{display:inline-flex;align-items:center;gap:7px;font-size:.83rem;color:var(--ok);font-weight:600}
.pdp__stock i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:block}

/* tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:32px;overflow-x:auto}
.tabs button{background:none;border:0;padding:14px 20px;font-size:.93rem;font-weight:600;color:var(--muted);
  cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;transition:.18s}
.tabs button.on{color:var(--ink);border-bottom-color:var(--brand)}
.tabpane{display:none}
.tabpane.on{display:block}

/* ---------- accordion ---------- */
.acc{border-top:1px solid var(--line)}
.acc__i{border-bottom:1px solid var(--line)}
.acc__q{width:100%;background:none;border:0;padding:19px 0;display:flex;align-items:center;justify-content:space-between;
  gap:20px;cursor:pointer;text-align:left;font-weight:600;font-size:1rem;color:var(--ink)}
.acc__q svg{width:18px;height:18px;color:var(--muted);flex:none;transition:.24s}
.acc__i.on .acc__q svg{transform:rotate(45deg)}
.acc__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc__a p{padding:0 0 19px;color:var(--muted);font-size:.92rem;max-width:820px}

/* ---------- calculator ---------- */
.calc{background:var(--ink-2);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:30px}
.calc__row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:20px}
.calc label{display:block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:#8f9aa8;margin-bottom:8px}
.calc input,.calc select{width:100%;padding:11px 13px;border-radius:6px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);color:#fff}
.calc select option{color:#15171d}
.calc__out{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.1);border-radius:9px;overflow:hidden;margin-top:8px}
.calc__out div{background:var(--ink-3);padding:18px;text-align:center}
.calc__out b{display:block;font-family:var(--fd);font-size:1.45rem;font-weight:600;color:var(--brand-2);letter-spacing:-.01em}
.calc__out span{font-size:.74rem;color:#8f9aa8;text-transform:uppercase;letter-spacing:.06em}

/* ---------- forms ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px;box-shadow:var(--sh-s)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form__f{display:flex;flex-direction:column;gap:7px}
.form__f--full{grid-column:1/-1}
.form label{font-size:.8rem;font-weight:600;color:#39414c}
.form label i{color:var(--sale);font-style:normal}
.form input,.form select,.form textarea{
  padding:11px 13px;border:1px solid var(--line);border-radius:6px;background:#fff;transition:.18s;font-size:.92rem;
}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.form textarea{min-height:110px;resize:vertical}
.form__note{font-size:.78rem;color:var(--muted-2);margin-top:12px}
.form__ok{display:none;padding:14px 16px;background:rgba(31,138,82,.08);border:1px solid rgba(31,138,82,.25);
  border-radius:7px;color:#186c41;font-size:.88rem;margin-top:14px}
.form__ok.on{display:block}

/* ---------- newsletter ---------- */
.news{background:var(--ink);border-radius:14px;padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden}

.news>*{position:relative;z-index:2}
.news h3{color:#fff;font-size:1.55rem;margin-bottom:10px}
.news p{color:#8f9aa8;font-size:.94rem;margin:0}
.news__form{display:flex;gap:10px}
.news__form input{flex:1;padding:13px 15px;border-radius:6px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff}
.news__form input::placeholder{color:#7f8a98}

/* ---------- footer ---------- */
.foot{background:var(--ink);color:#8d97a4;padding-top:64px;font-size:.88rem}
.foot__top{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09)}
.foot h5{color:#fff;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px;font-family:var(--ff);font-weight:700}
.foot li{margin-bottom:9px}
.foot a:hover{color:#fff}
.foot__about p{font-size:.86rem;line-height:1.65;margin:16px 0;max-width:330px}
.foot__contact{display:flex;flex-direction:column;gap:9px;font-size:.85rem}
.foot__contact div{display:flex;gap:9px;align-items:flex-start}
.foot__contact svg{width:15px;height:15px;color:var(--brand-2);flex:none;margin-top:4px}
.foot__social{display:flex;gap:9px;margin-top:18px}
.foot__social a{width:34px;height:34px;border:1px solid rgba(255,255,255,.14);border-radius:6px;display:flex;
  align-items:center;justify-content:center;transition:.18s}
.foot__social a:hover{border-color:var(--brand-2);color:var(--brand-2)}
.foot__social svg{width:16px;height:16px}
.foot__pay{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.foot__pay span{font-size:.68rem;font-weight:700;letter-spacing:.04em;padding:5px 9px;border:1px solid rgba(255,255,255,.14);
  border-radius:4px;color:#a9b3bf}
.foot__bot{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;font-size:.8rem;flex-wrap:wrap}
.foot__bot ul{display:flex;gap:20px;flex-wrap:wrap}

/* ---------- floating ---------- */
.fab{position:fixed;right:20px;bottom:24px;z-index:70;display:flex;flex-direction:column;gap:10px}
.fab a{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-m);transition:.2s;background:var(--ink);color:#fff}
.fab a:hover{transform:translateY(-2px)}
.fab a.wa{background:#25d366;color:#0b2b16}
.fab svg{width:23px;height:23px}

/* ---------- misc ---------- */
.page-hero{background:var(--ink);color:#a9b3bf;padding:60px 0 66px;position:relative;overflow:hidden}

.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;max-width:840px}
.page-hero p{margin-top:16px;max-width:660px;color:#8f9aa8;font-size:1.04rem}
.steps{counter-reset:s;display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.step{background:#fff;padding:26px}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--fd);font-size:1.35rem;color:var(--brand-ink);
  display:block;margin-bottom:12px;font-weight:700}
.step h4{margin-bottom:8px}
.step p{font-size:.87rem;color:var(--muted);margin:0}
.map-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.1);border-radius:10px;overflow:hidden;border:1px solid rgba(255,255,255,.1)}
.map-c{background:var(--ink-2);padding:22px}
.map-c b{color:#fff;display:block;margin-bottom:5px;font-family:var(--fd);font-weight:600}
.map-c span{font-size:.82rem;color:#8f9aa8}
.hidden{display:none!important}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .g4,.trust__grid,.stats,.map-grid{grid-template-columns:repeat(2,1fr)}
  .g5,.g6{grid-template-columns:repeat(3,1fr)}
  .hero__in{grid-template-columns:1fr;padding:56px 0 64px}
  .hero__art{max-width:560px}
  .feat{grid-template-columns:1fr;gap:34px}
  .feat--rev .feat__art{order:0}
  .pdp{grid-template-columns:1fr;gap:34px}
  .foot__top{grid-template-columns:1fr 1fr;gap:32px}
  .news{grid-template-columns:1fr;padding:32px}
}
@media (max-width:860px){
  .nav,.head__cta,.topbar__l{display:none}
  .head__actions a.icon-btn{display:none}          /* 账户入口收进抽屉 */
  .burger{display:inline-flex}
  .head__in{gap:12px}
  .section{padding:64px 0}
  .g2,.g3,.g5,.g6,.trust__grid,.calc__row,.calc__out,.form__row,.pdp__serv{grid-template-columns:1fr}
  .g3.keep2,.g4.keep2{grid-template-columns:repeat(2,1fr)}
  .sec-head--row{flex-direction:column;align-items:flex-start;gap:18px}
  .trust__i{border-right:0;border-bottom:1px solid var(--line-2)}
  .foot__top{grid-template-columns:1fr}
  .fab{right:14px;bottom:16px}
}
@media (max-width:640px){
  .anno{font-size:.73rem}
  .anno .container,.anno__rot{height:46px}
  .anno__rot span{line-height:1.3;padding:0 4px}
}
@media (max-width:420px){
  .container{padding:0 16px}
  .brand__sub{display:none}
  .brand__name{font-size:1.08rem}
  .head__in{height:62px}
}
@media (max-width:560px){
  .g4.keep2,.g3.keep2{grid-template-columns:1fr}
  .stats,.map-grid{grid-template-columns:1fr}
  .hero__specs{gap:22px}
}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:120;visibility:hidden;opacity:0;transition:.24s}
.drawer.on{visibility:visible;opacity:1}
.drawer__bg{position:absolute;inset:0;background:rgba(8,9,12,.55)}
.drawer__p{position:absolute;top:0;right:0;bottom:0;width:min(360px,88vw);background:#fff;padding:22px;
  overflow-y:auto;transform:translateX(20px);transition:.24s}
.drawer.on .drawer__p{transform:none}
.drawer__hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer__p a{display:block;padding:12px 0;border-bottom:1px solid var(--line-2);font-weight:600}
.drawer__p a.sub{padding-left:14px;font-weight:500;font-size:.9rem;color:var(--muted)}

/* unified logo: dark-context variant */
img.cb-lg-l{display:none !important}
:is(footer,.footer,.ftr,.site-footer,.page-footer,[class*="footer"],[class*="Footer"],.dark,[class*="-dark"],.header--float:not(.is-stuck)) img.cb-lg-l{display:inline-block !important}
:is(footer,.footer,.ftr,.site-footer,.page-footer,[class*="footer"],[class*="Footer"],.dark,[class*="-dark"],.header--float:not(.is-stuck)) img.cb-lg-d{display:none !important}