/* Rojeco — clean / premium 亮色青蓝 + 琥珀点缀 · 照片驱动 · 反 AI-slop
   构图与 Petrust 不同:hero 单卡大图 + 圆润胶囊;USP 顶部圆形图标卡;产品图顶卡;OEM 编号卡;认证徽章 tile。 */
:root{
  --primary:#2BB3C0; --primary-d:#178A94; --primary-dd:#0F6B73;
  --accent:#F5A623; --accent-d:#D98A00;
  --mint:#E6F6F7; --sky:#F4FAFB; --card:#FFFFFF; --panel:#F7FBFC;
  --ink:#16242A; --ink-soft:#5A6B70; --ink-mute:#85979C;
  --line:#DCE9EA; --line-soft:#EAF2F3;
  --r-xl:26px; --r-lg:20px; --r-md:14px; --r-sm:10px; --pill:999px;
  --sh-1:0 2px 10px -4px rgba(15,42,46,.14);
  --sh-2:0 18px 44px -26px rgba(15,42,46,.30);
  --sh-glow:0 16px 40px -18px rgba(43,179,192,.55);
  --wrap:1200px; --fs:clamp(15px,.55vw+13.6px,17px);
  --sans:"Manrope","Noto Sans SC",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --zh:"Noto Sans SC","Manrope",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--zh);font-size:var(--fs);line-height:1.72;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--sans);line-height:1.16;font-weight:800;letter-spacing:-.015em;color:var(--ink)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:14px;top:14px;background:#fff;padding:9px 16px;z-index:99;border-radius:10px;box-shadow:var(--sh-2)}
.note{color:var(--ink-soft);font-size:.9em;margin-top:20px;max-width:820px;line-height:1.65}
section{padding:84px 0}
.hl{color:var(--primary-d)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--primary);color:#fff;border:0;
  font:800 1em var(--sans);padding:14px 26px;border-radius:var(--pill);cursor:pointer;
  transition:transform .16s,box-shadow .16s,background .16s;box-shadow:var(--sh-glow)}
.btn:hover{background:var(--primary-d);transform:translateY(-2px);box-shadow:0 20px 46px -16px rgba(43,179,192,.7)}
.btn svg{transition:transform .16s}.btn:hover svg{transform:translateX(3px)}
.btn--sm{padding:10px 20px;font-size:.93em;box-shadow:0 10px 24px -14px rgba(43,179,192,.7)}
.btn--full{width:100%;justify-content:center;padding:15px}
.btn--light{background:#fff;color:var(--primary-dd);box-shadow:0 14px 34px -18px rgba(0,0,0,.5)}
.btn--light:hover{background:#fff;color:var(--primary-d)}
.link-strong{display:inline-flex;align-items:center;gap:7px;font:800 .98em var(--sans);color:var(--primary-d);cursor:pointer;background:none;border:0}
.link-strong svg{transition:transform .16s}.link-strong:hover{color:var(--accent-d)}.link-strong:hover svg{transform:translateX(3px)}
.kicker{display:inline-flex;align-items:center;gap:8px;font:800 .76rem var(--sans);letter-spacing:.1em;text-transform:uppercase;
  color:var(--primary-dd);background:var(--mint);padding:7px 15px;border-radius:var(--pill)}
.kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line-soft)}
.hdr__in{display:flex;align-items:center;gap:28px;height:74px}
.hdr__logo img{height:30px;width:auto}
.hdr__nav{display:flex;gap:30px;margin-left:auto;font-weight:600}
.hdr__nav a{color:var(--ink-soft);font-size:.95em;position:relative;padding:6px 0}
.hdr__nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--primary);border-radius:2px;transition:right .2s}
.hdr__nav a:hover{color:var(--ink)}.hdr__nav a:hover::after{right:0}
.hdr .btn--sm{margin-left:6px}
/* language switcher */
.langsw{display:flex;align-items:center;gap:2px;margin-left:18px;padding:3px;background:var(--mint);border-radius:var(--pill)}
.langsw a{font:700 .82em var(--sans);color:var(--ink-soft);padding:5px 11px;border-radius:var(--pill);line-height:1;transition:color .16s,background .16s}
.langsw a:hover{color:var(--primary-d)}
.langsw a.on{color:#fff;background:var(--primary)}

/* ---------- hero — 单大卡圆润,左文右图 + 浮动产品 chip + 琥珀徽章 ---------- */
.hero{background:
  radial-gradient(120% 90% at 88% 0%,var(--mint) 0%,rgba(230,246,247,0) 58%),
  linear-gradient(180deg,#fff 0%,var(--sky) 100%);
  overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,166,35,.14),transparent 70%);pointer-events:none}
.hero__in{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center;padding:70px 24px 86px}
.hero h1{font-size:clamp(2.1rem,3.7vw,3.5rem);margin:20px 0 18px;letter-spacing:-.025em}
.hero .lead{font-size:1.08em;color:var(--ink-soft);max-width:580px;margin-bottom:30px}
.hero__cta{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.hero__stats{display:grid;grid-template-columns:repeat(4,auto);gap:30px 38px;margin-top:42px}
.hero__stats dt{font:800 1.85rem var(--sans);color:var(--primary-d);letter-spacing:-.02em;line-height:1}
.hero__stats dd{color:var(--ink-soft);font-size:.86em;margin-top:5px}
/* art: big rounded mint panel holding hero product, with floating secondary product card */
.hero__art{position:relative;display:flex;justify-content:center;align-items:center;min-height:430px}
.hero__art::before{content:"";position:absolute;inset:6% 4% 6% 8%;background:linear-gradient(155deg,#fff,var(--mint));
  border-radius:38px;box-shadow:var(--sh-2);border:1px solid #fff}
.hero__img{position:relative}
.hero__img--a{width:78%;max-width:380px;filter:drop-shadow(0 30px 36px rgba(15,42,46,.22));z-index:2}
.hero__img--b{position:absolute;width:42%;max-width:188px;right:-2%;bottom:2%;z-index:3;
  background:#fff;border:6px solid #fff;border-radius:var(--r-lg);box-shadow:var(--sh-2);object-fit:cover;aspect-ratio:1/1}
.hero__badge{position:absolute;left:-1%;top:8%;z-index:4;background:var(--accent);color:#3a2600;
  font:800 .82rem var(--sans);padding:10px 16px;border-radius:var(--pill);box-shadow:0 12px 26px -10px rgba(245,166,35,.85)}

/* ---------- section heads ---------- */
.sec-head{max-width:760px;margin:0 auto 50px;text-align:center}
.sec-head--left{text-align:left;margin:0 0 30px}
.sec-head h2{font-size:clamp(1.7rem,2.6vw,2.45rem)}
.sec-head h2 + p{margin-top:14px;color:var(--ink-soft);font-size:1.04em}

/* ---------- usps — 顶部圆角图标卡(图标置于薄荷方块,与 Petrust 左图行不同) ---------- */
.usps{background:#fff}
.usp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;list-style:none}
.usp{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:30px 26px;
  display:flex;flex-direction:column;align-items:flex-start;
  transition:transform .18s,box-shadow .18s,border-color .18s;position:relative;overflow:hidden}
.usp::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .25s}
.usp:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:transparent}
.usp:hover::after{width:100%}
.usp>img{width:60px;height:60px;padding:13px;border-radius:var(--r-md);background:var(--mint);margin-bottom:18px;box-sizing:border-box}
.usp b{display:block;font-family:var(--sans);font-size:1.12em;margin-bottom:8px}
.usp span{color:var(--ink-soft);font-size:.93em;line-height:1.65}

/* ---------- products — 顶图卡 + 规格 chip 行 ---------- */
.products{background:linear-gradient(180deg,var(--sky),#fff)}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;box-shadow:var(--sh-1)}
.prod:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.prod__media{position:relative;aspect-ratio:1/1;background:linear-gradient(160deg,#fff,var(--mint));overflow:hidden}
.prod__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.prod:hover .prod__media img{transform:scale(1.045)}
.prod__tag{position:absolute;top:13px;left:13px;background:rgba(255,255,255,.92);backdrop-filter:blur(4px);
  color:var(--primary-dd);font:800 .72rem var(--sans);padding:6px 12px;border-radius:var(--pill);box-shadow:var(--sh-1)}
.prod__body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.prod__body h3{font-size:1.12em;margin-bottom:9px}
.prod__body p{color:var(--ink-soft);font-size:.9em;margin-bottom:18px;flex:1}
.prod__foot{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line-soft);padding-top:15px}
.cap{font:700 .73rem var(--sans);color:var(--primary-d);background:var(--mint);
  padding:6px 11px;border-radius:var(--pill);letter-spacing:.01em;white-space:nowrap}
.prod__foot .link-strong{font-size:.86em;flex-shrink:0}

/* ---------- wholesale / OEM — 编号模式卡 + 条款带 ---------- */
.whole{background:#fff}
.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:40px;counter-reset:m}
.model{padding:32px 28px 30px;border-radius:var(--r-lg);background:var(--panel);border:1px solid var(--line-soft);position:relative;overflow:hidden;transition:transform .18s,box-shadow .18s}
.model:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.model::before{counter-increment:m;content:"0" counter(m);position:absolute;right:24px;top:18px;
  font:800 2.4rem var(--sans);color:#D6EBEC;letter-spacing:-.03em;line-height:1}
.model::after{content:"";position:absolute;left:0;top:30px;bottom:30px;width:4px;border-radius:0 4px 4px 0;background:linear-gradient(var(--primary),var(--accent))}
.model h3{font-size:1.18em;margin-bottom:11px;padding-right:40px}
.model p{color:var(--ink-soft);font-size:.93em;margin-bottom:18px}
.moq{display:inline-flex;align-items:center;gap:7px;font:800 .8rem var(--sans);color:var(--accent-d);background:#fdf1da;padding:7px 14px;border-radius:var(--pill)}
.moq::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.terms{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.terms>div{background:var(--mint);border-radius:var(--r-md);padding:22px 20px;border:1px solid var(--line-soft)}
.terms dt{font:800 .75rem var(--sans);color:var(--primary-dd);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.terms dd{font-weight:700;font-size:.95em;color:var(--ink);font-family:var(--sans)}

/* ---------- strength — 文字 + 不规则图拼贴 ---------- */
.strength{background:linear-gradient(180deg,#fff,var(--sky))}
.strength__in{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:center}
.strength .body{color:var(--ink-soft);margin-bottom:24px;line-height:1.78}
.checks{list-style:none;margin-bottom:30px;display:grid;gap:13px}
.checks li{padding-left:34px;position:relative;font-weight:600;color:var(--ink)}
.checks li::before{content:"";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:7px;background:var(--primary);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/14px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/14px no-repeat}
.strength__grid{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;gap:16px}
.strength__grid img{border-radius:var(--r-lg);box-shadow:var(--sh-2);object-fit:cover;width:100%;height:100%}
.strength__grid img:nth-child(1){grid-row:span 2;aspect-ratio:3/4}
.strength__grid img:nth-child(2){aspect-ratio:4/3}
.strength__grid img:nth-child(3){aspect-ratio:4/3}
.strength__grid img:nth-child(4){grid-column:1 / -1;aspect-ratio:16/7}

/* ---------- certs — 徽章 tile 网格 ---------- */
.certs{background:#fff}
.cert-row{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;list-style:none}
.cert-row li{display:flex;flex-direction:column;align-items:center;gap:13px;padding:22px 12px;
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-md);transition:transform .16s,box-shadow .16s}
.cert-row li:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.cert-row img{width:78px;height:78px;object-fit:contain}
.cert-row span{font:800 .82rem var(--sans);color:var(--ink-soft)}

/* ---------- cta band — 青蓝渐变 ---------- */
.ctaband{background:linear-gradient(120deg,var(--primary-d) 0%,var(--primary) 60%,#34C2CE 100%);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.ctaband::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.08)}
.ctaband::after{content:"";position:absolute;left:8%;bottom:-90px;width:220px;height:220px;border-radius:50%;background:rgba(245,166,35,.18)}
.ctaband__in{display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;position:relative;z-index:1}
.ctaband h2{color:#fff;font-size:clamp(1.55rem,2.4vw,2.15rem);margin-bottom:9px}
.ctaband p{opacity:.94;max-width:580px}

/* ---------- footer — 深青墨 ---------- */
.ft{background:#0E2A2E;color:#A9C3C6;padding:62px 0 28px}
.ft__in{display:grid;grid-template-columns:1.7fr 1fr 1.2fr 1.3fr;gap:38px}
.ft__col h4{color:#fff;font-size:1em;margin-bottom:16px;font-family:var(--sans)}
.ft__col a{display:block;color:#A9C3C6;padding:5px 0;font-size:.93em;transition:color .15s}
.ft__col a:hover{color:var(--primary)}
.ft__col--brand img{height:30px;margin-bottom:16px}
.ft__col--brand p{color:#7E9DA1;font-size:.9em;line-height:1.7}
.ft__mail{display:inline-flex;align-items:center;gap:9px;color:#fff!important;font-weight:700}
.ft__mail svg{color:var(--primary)}
.ft__quote{color:#7E9DA1;font-size:.85em;margin-top:14px;line-height:1.6}
.ft__bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid #1C3F44;margin-top:40px;padding-top:22px;font-size:.85em;color:#6E8D91;flex-wrap:wrap}

/* ---------- floating inquiry ---------- */
.fab{position:fixed;right:24px;bottom:24px;z-index:50;display:inline-flex;align-items:center;gap:10px;
  background:var(--primary);color:#fff;border:0;cursor:pointer;font:800 .95rem var(--sans);padding:14px 21px;border-radius:var(--pill);
  box-shadow:0 16px 36px -10px rgba(43,179,192,.75);transition:transform .16s,background .16s}
.fab:hover{background:var(--primary-d);transform:translateY(-2px)}
.fab svg{flex-shrink:0}
.inq{position:fixed;inset:0;z-index:60;display:none}
.inq.open{display:block}
.inq__backdrop{position:absolute;inset:0;background:rgba(14,42,46,.5);backdrop-filter:blur(3px)}
.inq__panel{position:absolute;right:0;top:0;height:100%;width:min(450px,100%);background:#fff;
  box-shadow:-24px 0 70px -34px rgba(0,0,0,.55);padding:38px 32px;overflow-y:auto;animation:slidein .26s cubic-bezier(.2,.7,.3,1)}
@keyframes slidein{from{transform:translateX(50px);opacity:.3}to{transform:none;opacity:1}}
.inq__x{position:absolute;right:20px;top:16px;background:none;border:0;font-size:2rem;line-height:1;color:var(--ink-soft);cursor:pointer}
.inq__x:hover{color:var(--ink)}
.inq__panel h3{font-size:1.45em;margin:4px 0 6px}
.inq__sub{color:var(--ink-soft);font-size:.92em;margin-bottom:22px}
.inq-form .row{margin-bottom:13px}
.inq-form .two{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.inq-form input,.inq-form textarea{width:100%;font:inherit;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--r-sm);background:var(--sky);color:var(--ink);transition:border-color .15s,background .15s}
.inq-form input:focus,.inq-form textarea:focus{outline:none;border-color:var(--primary);background:#fff}
.inq-form .cap{display:grid;grid-template-columns:1fr auto;gap:11px;align-items:center}
.cap-canvas{border:1.5px solid var(--line);border-radius:var(--r-sm);cursor:pointer;background:#fff}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.inq-msg{margin-top:11px;font-size:.9em;min-height:1.2em}
.inq-msg.ok{color:var(--primary-d)}.inq-msg.bad{color:#c0392b}

/* ---------- responsive ---------- */
@media(max-width:1040px){
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .cert-row{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:920px){
  .hero__in,.strength__in{grid-template-columns:1fr;gap:36px}
  .hero__art{min-height:340px;order:-1}
  .usp-grid,.model-grid{grid-template-columns:1fr 1fr}
  .terms{grid-template-columns:1fr 1fr}
  .hero__stats{grid-template-columns:repeat(4,auto);gap:22px}
  .hdr__nav{display:none}
  .langsw{margin-left:auto}
}
@media(max-width:600px){
  section{padding:58px 0}
  .usp-grid,.prod-grid,.model-grid,.terms,.cert-row{grid-template-columns:1fr}
  .hero__stats{grid-template-columns:1fr 1fr;gap:20px}
  .strength__grid{grid-template-columns:1fr 1fr}
  .strength__grid img:nth-child(1){grid-row:auto;aspect-ratio:4/3}
  .ctaband__in{flex-direction:column;align-items:flex-start}
  .fab span{display:none}
  .fab{padding:15px}
  .inq__panel{width:100%}
  .ft__in{grid-template-columns:1fr 1fr}
}

/* ---------- blog (阶段8;英文根·Rojeco 青蓝+琥珀,圆润胶囊调性) ---------- */
.wrap--narrow{max-width:780px}
.blog-hero{background:
  radial-gradient(120% 90% at 88% 0%,var(--mint) 0%,rgba(230,246,247,0) 60%),
  linear-gradient(180deg,#fff 0%,var(--sky) 100%);
  padding:66px 0 44px;border-bottom:1px solid var(--line-soft)}
.blog-hero h1{font-size:clamp(1.85rem,2.9vw,2.7rem);margin:16px 0 14px;letter-spacing:-.02em}
.blog-hero .lead{color:var(--ink-soft);max-width:640px;font-size:1.06em}
.bloglist{background:var(--sky);padding:54px 0 80px}
.bgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.bcard{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .18s,box-shadow .18s;display:flex;flex-direction:column}
.bcard:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.bcard__media img{width:100%;height:196px;object-fit:cover}
.bcard__body{padding:22px;display:flex;flex-direction:column;gap:9px}
.bcard__date{font:800 .76rem var(--sans);color:var(--primary-d);text-transform:uppercase;letter-spacing:.07em}
.bcard__body h2{font-size:1.12em;line-height:1.32;letter-spacing:-.01em}
.bcard__body h2 a:hover{color:var(--primary-d)}
.bcard__body p{color:var(--ink-soft);font-size:.92em;flex:1;line-height:1.62}
.post{background:var(--card);padding:52px 0 74px}
.crumb{font-size:.85em;color:var(--ink-soft);margin-bottom:18px}
.crumb a:hover{color:var(--primary-d)}
.post h1{font-size:clamp(1.7rem,2.9vw,2.55rem);margin-bottom:10px;letter-spacing:-.02em}
.post__meta{color:var(--ink-mute);font-size:.9em;margin-bottom:24px}
.post__hero{width:100%;max-height:430px;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--sh-2);margin-bottom:30px}
.post__body{font-size:1.05em;line-height:1.82;color:var(--ink-soft)}
.post__body h2{font-size:1.32em;color:var(--ink);margin:32px 0 12px;letter-spacing:-.01em}
.post__body p{margin-bottom:16px}
.post__body strong{color:var(--ink);font-weight:700}
.post__links{margin:36px 0;padding:24px 26px;background:var(--panel);border-radius:var(--r-lg);border:1px solid var(--line-soft)}
.post__links h3{font-size:1.06em;margin-bottom:12px;color:var(--ink)}
.post__links ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px}
.post__links a{color:var(--primary-d);font-weight:700}.post__links a:hover{color:var(--accent-d)}
.post__cta{margin-top:38px;border-radius:var(--r-xl);padding:30px 32px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(120deg,var(--primary-d) 0%,var(--primary) 60%,#34C2CE 100%);box-shadow:var(--sh-glow)}
.post__cta h3{color:#fff;font-size:1.22em;margin-bottom:6px}.post__cta p{opacity:.94;font-size:.93em;max-width:560px}
@media(max-width:900px){.bgrid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.bgrid{grid-template-columns:1fr}.post__cta{flex-direction:column;align-items:flex-start}}